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1 #
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2 # Simplified Chinese translation for hgbook
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3 # This file is distributed under the same license as the hgbook.
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4 #
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5 # Authors:
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6 # Dongsheng Song <dongsheng.song@gmail.com>, 2009
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7 #
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8 # Check translation:
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9 # msgfmt --statistics -c -o zh.mo zh.po
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10 #
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11 # Please format your translation before commit:
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12 # msgcat --sort-by-file --width=80 -o zh_new.po zh.po
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13 # mv -f zh_new.po zh.po
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14 #
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15 # Dictionary:
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16 # blame 追溯
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17 # branch 分支
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18 # changes 修改
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19 # changeset 修改集
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20 # checkout 检出
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21 # remove 移除(从版本库删除)
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22 # delete 删除(只从文件系统删除)
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23 # filelog 文件日志
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24 # patchset 补丁集
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25 # pushing to 推到
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26 # pulling from 拉自,抓取
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27 # rename 改名
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28 # repository 版本库
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29 # revert 恢复
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30 # revision 版本
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31 # revlog 版本日志
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32 # tag 标签
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33 # tip 顶点
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34 # undo 撤销
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35 # unversioned 未版本控制
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36 # updated 更新到,同步到(适用于旧版本)
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37 # versioned 受版本控制
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38 # working copy 工作副本
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39 # ...
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40 #
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41 msgid ""
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42 msgstr ""
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43 "Project-Id-Version: hgbook 1.2\n"
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44 "POT-Creation-Date: 2009-04-05 11:48+0800\n"
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45 "PO-Revision-Date: 2009-04-05 12:10+0800\n"
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46 "Last-Translator: 宋冬生 <songdonogsheng@live.cn>\n"
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47 "Language-Team: Simplified Chinese <i18n-zh@googlegroups.com >\n"
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48 "MIME-Version: 1.0\n"
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49 "Content-Type: text/plain; charset=UTF-8\n"
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50 "Content-Transfer-Encoding: 8bit\n"
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51 "X-Poedit-Language: Chinese\n"
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52 "X-Poedit-Country: CHINA\n"
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53 "X-Poedit-SourceCharset: utf-8\n"
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54
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55 #. type: Content of: <book><title>
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56 #: ../en/00book.xml:41
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57 msgid "Mercurial: The Definitive Guide"
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58 msgstr "Mercurial 权威指南"
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59
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60 #. type: Content of: <book><subtitle>
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61 #: ../en/00book.xml:46
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62 msgid "Compiled from $rev_id$"
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63 msgstr "编译自 $rev_id$"
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64
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songdongsheng@667
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65 #. type: Content of: <book><bookinfo>
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66 #: ../en/00book.xml:48
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67 msgid "<edition>1</edition> <isbn>9780596800673</isbn>"
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68 msgstr "<edition>1</edition> <isbn>9780596800673</isbn>"
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69
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70 #. type: Content of: <book><bookinfo><authorgroup><author><firstname>
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71 #: ../en/00book.xml:52
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72 msgid "Bryan"
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73 msgstr "Bryan"
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74
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75 #. type: Content of: <book><bookinfo><authorgroup><author><surname>
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76 #: ../en/00book.xml:53
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77 msgid "O'Sullivan"
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78 msgstr "O'Sullivan"
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79
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80 #. type: Content of: <book><bookinfo>
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81 #: ../en/00book.xml:57
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82 msgid ""
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83 "<editor> <firstname>Mike</firstname> <surname>Loukides</surname> </editor> "
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84 "<copyright> <year>2006</year> <year>2007</year> <year>2008</year> <year>2009</"
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85 "year> <holder>Bryan O'Sullivan</holder> </copyright>"
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86 msgstr ""
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87 "<editor> <firstname>Mike</firstname> <surname>Loukides</surname> </editor> "
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88 "<copyright> <year>2006</year> <year>2007</year> <year>2008</year> <year>2009</"
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89 "year> <holder>Bryan O'Sullivan</holder> </copyright>"
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90
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91 #. type: Content of: <book><appendix><title>
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92 #: ../en/appB-mq-ref.xml:5
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93 msgid "Mercurial Queues reference"
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94 msgstr "Mercurial 队列参考"
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95
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96 #. type: Content of: <book><appendix><sect1><title>
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97 #: ../en/appB-mq-ref.xml:8
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98 msgid "MQ command reference"
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99 msgstr "MQ 命令参考"
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100
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101 #. type: Content of: <book><appendix><sect1><para>
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102 #: ../en/appB-mq-ref.xml:10
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103 msgid ""
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104 "For an overview of the commands provided by MQ, use the command <command role="
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105 "\"hg-cmd\">hg help mq</command>."
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106 msgstr ""
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107
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108 #. type: Content of: <book><appendix><sect1><sect2><title>
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109 #: ../en/appB-mq-ref.xml:14
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110 msgid ""
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songdongsheng@668
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111 "<command role=\"hg-ext-mq\">qapplied</command>&emdash;print applied patches"
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112 msgstr "<command role=\"hg-ext-mq\">qapplied</command>—显示已应用的补丁"
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113
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114 #. type: Content of: <book><appendix><sect1><sect2><para>
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115 #: ../en/appB-mq-ref.xml:17
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116 msgid ""
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117 "The <command role=\"hg-ext-mq\">qapplied</command> command prints the current "
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118 "stack of applied patches. Patches are printed in oldest-to-newest order, so "
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119 "the last patch in the list is the <quote>top</quote> patch."
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120 msgstr ""
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121
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122 #. type: Content of: <book><appendix><sect1><sect2><title>
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123 #: ../en/appB-mq-ref.xml:24
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124 msgid ""
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125 "<command role=\"hg-ext-mq\">qcommit</command>&emdash;commit changes in the "
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126 "queue repository"
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127 msgstr "<command role=\"hg-ext-mq\">qcommit</command>—提交队列中的修改"
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128
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129 #. type: Content of: <book><appendix><sect1><sect2><para>
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130 #: ../en/appB-mq-ref.xml:27
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131 msgid ""
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132 "The <command role=\"hg-ext-mq\">qcommit</command> command commits any "
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133 "outstanding changes in the <filename role=\"special\" class=\"directory\">.hg/"
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134 "patches</filename> repository. This command only works if the <filename role="
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135 "\"special\" class=\"directory\">.hg/patches</filename> directory is a "
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136 "repository, i.e. you created the directory using <command role=\"hg-cmd\">hg "
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137 "qinit <option role=\"hg-ext-mq-cmd-qinit-opt\">-c</option></command> or ran "
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138 "<command role=\"hg-cmd\">hg init</command> in the directory after running "
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139 "<command role=\"hg-ext-mq\">qinit</command>."
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140 msgstr ""
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141
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142 #. type: Content of: <book><appendix><sect1><sect2><para>
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143 #: ../en/appB-mq-ref.xml:39
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144 msgid ""
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145 "This command is shorthand for <command role=\"hg-cmd\">hg commit --cwd .hg/"
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146 "patches</command>."
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147 msgstr ""
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148
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149 #. type: Content of: <book><appendix><sect1><sect2><title>
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150 #: ../en/appB-mq-ref.xml:43
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151 msgid ""
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songdongsheng@668
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152 "<command role=\"hg-ext-mq\">qdelete</command>&emdash;delete a patch from the "
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153 "<filename role=\"special\">series</filename> file"
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154 msgstr ""
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155 "<command role=\"hg-ext-mq\">qdelete</command>—从文件 <filename role=\"special"
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156 "\">series</filename> 中删除补丁"
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157
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158 #. type: Content of: <book><appendix><sect1><sect2><para>
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159 #: ../en/appB-mq-ref.xml:48
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160 msgid ""
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161 "The <command role=\"hg-ext-mq\">qdelete</command> command removes the entry "
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162 "for a patch from the <filename role=\"special\">series</filename> file in the "
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163 "<filename role=\"special\" class=\"directory\">.hg/patches</filename> "
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164 "directory. It does not pop the patch if the patch is already applied. By "
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165 "default, it does not delete the patch file; use the <option role=\"hg-ext-mq-"
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166 "cmd-qdel-opt\">-f</option> option to do that."
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167 msgstr ""
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168
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169 #. type: Content of: <book><appendix><sect1><sect2><para>
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170 #: ../en/appB-mq-ref.xml:57 ../en/appB-mq-ref.xml:99 ../en/appB-mq-ref.xml:157
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171 #: ../en/appB-mq-ref.xml:197 ../en/appB-mq-ref.xml:264
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172 #: ../en/appB-mq-ref.xml:335 ../en/appB-mq-ref.xml:404
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173 #: ../en/appB-mq-ref.xml:497
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174 msgid "Options:"
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175 msgstr "选项:"
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176
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177 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
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178 #: ../en/appB-mq-ref.xml:59
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179 msgid ""
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180 "<option role=\"hg-ext-mq-cmd-qdel-opt\">-f</option>: Delete the patch file."
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181 msgstr ""
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182
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183 #. type: Content of: <book><appendix><sect1><sect2><title>
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184 #: ../en/appB-mq-ref.xml:66
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185 msgid ""
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songdongsheng@668
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186 "<command role=\"hg-ext-mq\">qdiff</command>&emdash;print a diff of the "
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187 "topmost applied patch"
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188 msgstr "<command role=\"hg-ext-mq\">qdiff</command>—显示最新应用补丁的差异"
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189
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190 #. type: Content of: <book><appendix><sect1><sect2><para>
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191 #: ../en/appB-mq-ref.xml:69
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192 msgid ""
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193 "The <command role=\"hg-ext-mq\">qdiff</command> command prints a diff of the "
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194 "topmost applied patch. It is equivalent to <command role=\"hg-cmd\">hg diff -"
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195 "r-2:-1</command>."
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196 msgstr ""
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197
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198 #. type: Content of: <book><appendix><sect1><sect2><title>
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199 #: ../en/appB-mq-ref.xml:75
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200 msgid ""
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songdongsheng@668
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201 "<command role=\"hg-ext-mq\">qfold</command>&emdash;merge (<quote>fold</"
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202 "quote>) several patches into one"
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203 msgstr ""
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204 "<command role=\"hg-ext-mq\">qfold</command>—将多个补丁合并(<quote>折叠</"
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205 "quote>)成一个"
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206
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207 #. type: Content of: <book><appendix><sect1><sect2><para>
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208 #: ../en/appB-mq-ref.xml:78
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209 msgid ""
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210 "The <command role=\"hg-ext-mq\">qfold</command> command merges multiple "
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211 "patches into the topmost applied patch, so that the topmost applied patch "
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212 "makes the union of all of the changes in the patches in question."
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213 msgstr ""
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214
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215 #. type: Content of: <book><appendix><sect1><sect2><para>
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216 #: ../en/appB-mq-ref.xml:83
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217 msgid ""
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218 "The patches to fold must not be applied; <command role=\"hg-ext-mq\">qfold</"
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219 "command> will exit with an error if any is. The order in which patches are "
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220 "folded is significant; <command role=\"hg-cmd\">hg qfold a b</command> means "
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dongsheng@627
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221 "<quote>apply the current topmost patch, followed by <literal>a</literal>, "
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222 "followed by <literal>b</literal></quote>."
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223 msgstr ""
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224
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225 #. type: Content of: <book><appendix><sect1><sect2><para>
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226 #: ../en/appB-mq-ref.xml:91
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227 msgid ""
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228 "The comments from the folded patches are appended to the comments of the "
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229 "destination patch, with each block of comments separated by three asterisk "
|
dongsheng@627
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230 "(<quote><literal>*</literal></quote>) characters. Use the <option role=\"hg-"
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231 "ext-mq-cmd-qfold-opt\">-e</option> option to edit the commit message for the "
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232 "combined patch/changeset after the folding has completed."
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233 msgstr ""
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234
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235 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
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236 #: ../en/appB-mq-ref.xml:101
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237 msgid ""
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dongsheng@627
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238 "<option role=\"hg-ext-mq-cmd-qfold-opt\">-e</option>: Edit the commit message "
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239 "and patch description for the newly folded patch."
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240 msgstr ""
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241
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242 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
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dongsheng@650
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243 #: ../en/appB-mq-ref.xml:106
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244 msgid ""
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dongsheng@627
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245 "<option role=\"hg-ext-mq-cmd-qfold-opt\">-l</option>: Use the contents of the "
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246 "given file as the new commit message and patch description for the folded "
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247 "patch."
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248 msgstr ""
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249
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dongsheng@627
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250 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
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dongsheng@650
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251 #: ../en/appB-mq-ref.xml:111
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252 msgid ""
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dongsheng@627
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253 "<option role=\"hg-ext-mq-cmd-qfold-opt\">-m</option>: Use the given text as "
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254 "the new commit message and patch description for the folded patch."
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255 msgstr ""
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256
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257 #. type: Content of: <book><appendix><sect1><sect2><title>
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258 #: ../en/appB-mq-ref.xml:119
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259 msgid ""
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songdongsheng@668
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260 "<command role=\"hg-ext-mq\">qheader</command>&emdash;display the header/"
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songdongsheng@668
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261 "description of a patch"
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262 msgstr "<command role=\"hg-ext-mq\">qheader</command>—显示补丁头部描述"
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263
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264 #. type: Content of: <book><appendix><sect1><sect2><para>
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dongsheng@650
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265 #: ../en/appB-mq-ref.xml:123
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266 msgid ""
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267 "The <command role=\"hg-ext-mq\">qheader</command> command prints the header, "
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268 "or description, of a patch. By default, it prints the header of the topmost "
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269 "applied patch. Given an argument, it prints the header of the named patch."
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270 msgstr ""
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271
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272 #. type: Content of: <book><appendix><sect1><sect2><title>
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dongsheng@650
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273 #: ../en/appB-mq-ref.xml:130
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274 msgid ""
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songdongsheng@668
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275 "<command role=\"hg-ext-mq\">qimport</command>&emdash;import a third-party "
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276 "patch into the queue"
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277 msgstr "<command role=\"hg-ext-mq\">qimport</command>—将第三方补丁导入队列"
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278
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279 #. type: Content of: <book><appendix><sect1><sect2><para>
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280 #: ../en/appB-mq-ref.xml:133
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281 msgid ""
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dongsheng@627
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282 "The <command role=\"hg-ext-mq\">qimport</command> command adds an entry for "
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283 "an external patch to the <filename role=\"special\">series</filename> file, "
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284 "and copies the patch into the <filename role=\"special\" class=\"directory\">."
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285 "hg/patches</filename> directory. It adds the entry immediately after the "
|
dongsheng@627
|
286 "topmost applied patch, but does not push the patch."
|
dongsheng@627
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287 msgstr ""
|
dongsheng@627
|
288
|
dongsheng@627
|
289 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
290 #: ../en/appB-mq-ref.xml:141
|
dongsheng@627
|
291 msgid ""
|
dongsheng@627
|
292 "If the <filename role=\"special\" class=\"directory\">.hg/patches</filename> "
|
dongsheng@627
|
293 "directory is a repository, <command role=\"hg-ext-mq\">qimport</command> "
|
dongsheng@627
|
294 "automatically does an <command role=\"hg-cmd\">hg add</command> of the "
|
dongsheng@627
|
295 "imported patch."
|
dongsheng@627
|
296 msgstr ""
|
dongsheng@627
|
297
|
dongsheng@627
|
298 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
299 #: ../en/appB-mq-ref.xml:149
|
songdongsheng@668
|
300 msgid ""
|
songdongsheng@668
|
301 "<command role=\"hg-ext-mq\">qinit</command>&emdash;prepare a repository to "
|
songdongsheng@668
|
302 "work with MQ"
|
dongsheng@661
|
303 msgstr "<command role=\"hg-ext-mq\">qinit</command>—为使用 MQ 配置版本库"
|
dongsheng@627
|
304
|
dongsheng@627
|
305 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
306 #: ../en/appB-mq-ref.xml:152
|
dongsheng@627
|
307 msgid ""
|
dongsheng@627
|
308 "The <command role=\"hg-ext-mq\">qinit</command> command prepares a repository "
|
dongsheng@627
|
309 "to work with MQ. It creates a directory called <filename role=\"special\" "
|
dongsheng@627
|
310 "class=\"directory\">.hg/patches</filename>."
|
dongsheng@627
|
311 msgstr ""
|
dongsheng@627
|
312
|
dongsheng@627
|
313 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
314 #: ../en/appB-mq-ref.xml:159
|
dongsheng@627
|
315 msgid ""
|
dongsheng@627
|
316 "<option role=\"hg-ext-mq-cmd-qinit-opt\">-c</option>: Create <filename role="
|
dongsheng@627
|
317 "\"special\" class=\"directory\">.hg/patches</filename> as a repository in its "
|
dongsheng@627
|
318 "own right. Also creates a <filename role=\"special\">.hgignore</filename> "
|
dongsheng@627
|
319 "file that will ignore the <filename role=\"special\">status</filename> file."
|
dongsheng@627
|
320 msgstr ""
|
dongsheng@627
|
321
|
dongsheng@627
|
322 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
323 #: ../en/appB-mq-ref.xml:169
|
dongsheng@627
|
324 msgid ""
|
dongsheng@627
|
325 "When the <filename role=\"special\" class=\"directory\">.hg/patches</"
|
dongsheng@627
|
326 "filename> directory is a repository, the <command role=\"hg-ext-mq\">qimport</"
|
dongsheng@627
|
327 "command> and <command role=\"hg-ext-mq\">qnew</command> commands "
|
dongsheng@627
|
328 "automatically <command role=\"hg-cmd\">hg add</command> new patches."
|
dongsheng@627
|
329 msgstr ""
|
dongsheng@627
|
330
|
dongsheng@627
|
331 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
332 #: ../en/appB-mq-ref.xml:178
|
songdongsheng@668
|
333 msgid "<command role=\"hg-ext-mq\">qnew</command>&emdash;create a new patch"
|
dongsheng@661
|
334 msgstr "<command role=\"hg-ext-mq\">qnew</command>—创建新补丁"
|
dongsheng@627
|
335
|
dongsheng@627
|
336 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
337 #: ../en/appB-mq-ref.xml:181
|
dongsheng@627
|
338 msgid ""
|
dongsheng@627
|
339 "The <command role=\"hg-ext-mq\">qnew</command> command creates a new patch. "
|
dongsheng@627
|
340 "It takes one mandatory argument, the name to use for the patch file. The "
|
dongsheng@627
|
341 "newly created patch is created empty by default. It is added to the "
|
dongsheng@627
|
342 "<filename role=\"special\">series</filename> file after the current topmost "
|
dongsheng@627
|
343 "applied patch, and is immediately pushed on top of that patch."
|
dongsheng@627
|
344 msgstr ""
|
dongsheng@627
|
345
|
dongsheng@627
|
346 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
347 #: ../en/appB-mq-ref.xml:189
|
dongsheng@627
|
348 msgid ""
|
dongsheng@627
|
349 "If <command role=\"hg-ext-mq\">qnew</command> finds modified files in the "
|
dongsheng@627
|
350 "working directory, it will refuse to create a new patch unless the <option "
|
dongsheng@627
|
351 "role=\"hg-ext-mq-cmd-qnew-opt\">-f</option> option is used (see below). This "
|
dongsheng@627
|
352 "behaviour allows you to <command role=\"hg-ext-mq\">qrefresh</command> your "
|
dongsheng@627
|
353 "topmost applied patch before you apply a new patch on top of it."
|
dongsheng@627
|
354 msgstr ""
|
dongsheng@627
|
355
|
dongsheng@627
|
356 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
357 #: ../en/appB-mq-ref.xml:199
|
dongsheng@627
|
358 msgid ""
|
dongsheng@627
|
359 "<option role=\"hg-ext-mq-cmd-qnew-opt\">-f</option>: Create a new patch if "
|
dongsheng@627
|
360 "the contents of the working directory are modified. Any outstanding "
|
dongsheng@627
|
361 "modifications are added to the newly created patch, so after this command "
|
dongsheng@627
|
362 "completes, the working directory will no longer be modified."
|
dongsheng@627
|
363 msgstr ""
|
dongsheng@627
|
364
|
dongsheng@627
|
365 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
366 #: ../en/appB-mq-ref.xml:206
|
dongsheng@627
|
367 msgid ""
|
dongsheng@627
|
368 "<option role=\"hg-ext-mq-cmd-qnew-opt\">-m</option>: Use the given text as "
|
dongsheng@627
|
369 "the commit message. This text will be stored at the beginning of the patch "
|
dongsheng@627
|
370 "file, before the patch data."
|
dongsheng@627
|
371 msgstr ""
|
dongsheng@627
|
372
|
dongsheng@627
|
373 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
374 #: ../en/appB-mq-ref.xml:215
|
songdongsheng@668
|
375 msgid ""
|
songdongsheng@668
|
376 "<command role=\"hg-ext-mq\">qnext</command>&emdash;print the name of the next "
|
songdongsheng@668
|
377 "patch"
|
dongsheng@661
|
378 msgstr "<command role=\"hg-ext-mq\">qnext</command>—显示下个补丁的名称"
|
dongsheng@627
|
379
|
dongsheng@627
|
380 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
381 #: ../en/appB-mq-ref.xml:218
|
dongsheng@627
|
382 msgid ""
|
dongsheng@627
|
383 "The <command role=\"hg-ext-mq\">qnext</command> command prints the name name "
|
dongsheng@627
|
384 "of the next patch in the <filename role=\"special\">series</filename> file "
|
dongsheng@627
|
385 "after the topmost applied patch. This patch will become the topmost applied "
|
dongsheng@627
|
386 "patch if you run <command role=\"hg-ext-mq\">qpush</command>."
|
dongsheng@627
|
387 msgstr ""
|
dongsheng@627
|
388
|
dongsheng@627
|
389 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
390 #: ../en/appB-mq-ref.xml:227
|
songdongsheng@668
|
391 msgid ""
|
songdongsheng@668
|
392 "<command role=\"hg-ext-mq\">qpop</command>&emdash;pop patches off the stack"
|
dongsheng@661
|
393 msgstr "<command role=\"hg-ext-mq\">qpop</command>—删除堆栈顶部的补丁"
|
dongsheng@627
|
394
|
dongsheng@627
|
395 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
396 #: ../en/appB-mq-ref.xml:230
|
dongsheng@627
|
397 msgid ""
|
dongsheng@627
|
398 "The <command role=\"hg-ext-mq\">qpop</command> command removes applied "
|
dongsheng@627
|
399 "patches from the top of the stack of applied patches. By default, it removes "
|
dongsheng@627
|
400 "only one patch."
|
dongsheng@627
|
401 msgstr ""
|
dongsheng@627
|
402
|
dongsheng@627
|
403 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
404 #: ../en/appB-mq-ref.xml:234
|
dongsheng@627
|
405 msgid ""
|
dongsheng@627
|
406 "This command removes the changesets that represent the popped patches from "
|
dongsheng@627
|
407 "the repository, and updates the working directory to undo the effects of the "
|
dongsheng@627
|
408 "patches."
|
dongsheng@627
|
409 msgstr ""
|
dongsheng@627
|
410
|
dongsheng@627
|
411 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
412 #: ../en/appB-mq-ref.xml:238
|
dongsheng@627
|
413 msgid ""
|
dongsheng@627
|
414 "This command takes an optional argument, which it uses as the name or index "
|
dongsheng@627
|
415 "of the patch to pop to. If given a name, it will pop patches until the named "
|
dongsheng@627
|
416 "patch is the topmost applied patch. If given a number, <command role=\"hg-"
|
dongsheng@627
|
417 "ext-mq\">qpop</command> treats the number as an index into the entries in the "
|
dongsheng@627
|
418 "series file, counting from zero (empty lines and lines containing only "
|
dongsheng@627
|
419 "comments do not count). It pops patches until the patch identified by the "
|
dongsheng@627
|
420 "given index is the topmost applied patch."
|
dongsheng@627
|
421 msgstr ""
|
dongsheng@627
|
422
|
dongsheng@627
|
423 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
424 #: ../en/appB-mq-ref.xml:248
|
dongsheng@627
|
425 msgid ""
|
dongsheng@627
|
426 "The <command role=\"hg-ext-mq\">qpop</command> command does not read or write "
|
dongsheng@627
|
427 "patches or the <filename role=\"special\">series</filename> file. It is thus "
|
dongsheng@627
|
428 "safe to <command role=\"hg-ext-mq\">qpop</command> a patch that you have "
|
dongsheng@627
|
429 "removed from the <filename role=\"special\">series</filename> file, or a "
|
dongsheng@627
|
430 "patch that you have renamed or deleted entirely. In the latter two cases, "
|
dongsheng@627
|
431 "use the name of the patch as it was when you applied it."
|
dongsheng@627
|
432 msgstr ""
|
dongsheng@627
|
433
|
dongsheng@627
|
434 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
435 #: ../en/appB-mq-ref.xml:257
|
dongsheng@627
|
436 msgid ""
|
dongsheng@627
|
437 "By default, the <command role=\"hg-ext-mq\">qpop</command> command will not "
|
dongsheng@627
|
438 "pop any patches if the working directory has been modified. You can override "
|
dongsheng@627
|
439 "this behaviour using the <option role=\"hg-ext-mq-cmd-qpop-opt\">-f</option> "
|
dongsheng@627
|
440 "option, which reverts all modifications in the working directory."
|
dongsheng@627
|
441 msgstr ""
|
dongsheng@627
|
442
|
dongsheng@627
|
443 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
444 #: ../en/appB-mq-ref.xml:266
|
dongsheng@627
|
445 msgid ""
|
dongsheng@627
|
446 "<option role=\"hg-ext-mq-cmd-qpop-opt\">-a</option>: Pop all applied "
|
dongsheng@627
|
447 "patches. This returns the repository to its state before you applied any "
|
dongsheng@627
|
448 "patches."
|
dongsheng@627
|
449 msgstr ""
|
dongsheng@627
|
450
|
dongsheng@627
|
451 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
452 #: ../en/appB-mq-ref.xml:271
|
dongsheng@627
|
453 msgid ""
|
dongsheng@627
|
454 "<option role=\"hg-ext-mq-cmd-qpop-opt\">-f</option>: Forcibly revert any "
|
dongsheng@627
|
455 "modifications to the working directory when popping."
|
dongsheng@627
|
456 msgstr ""
|
dongsheng@627
|
457
|
dongsheng@627
|
458 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
459 #: ../en/appB-mq-ref.xml:276
|
dongsheng@627
|
460 msgid ""
|
dongsheng@627
|
461 "<option role=\"hg-ext-mq-cmd-qpop-opt\">-n</option>: Pop a patch from the "
|
dongsheng@627
|
462 "named queue."
|
dongsheng@627
|
463 msgstr ""
|
dongsheng@627
|
464
|
dongsheng@627
|
465 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
466 #: ../en/appB-mq-ref.xml:281
|
dongsheng@627
|
467 msgid ""
|
dongsheng@627
|
468 "The <command role=\"hg-ext-mq\">qpop</command> command removes one line from "
|
dongsheng@627
|
469 "the end of the <filename role=\"special\">status</filename> file for each "
|
dongsheng@627
|
470 "patch that it pops."
|
dongsheng@627
|
471 msgstr ""
|
dongsheng@627
|
472
|
dongsheng@627
|
473 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
474 #: ../en/appB-mq-ref.xml:288
|
songdongsheng@668
|
475 msgid ""
|
songdongsheng@668
|
476 "<command role=\"hg-ext-mq\">qprev</command>&emdash;print the name of the "
|
songdongsheng@668
|
477 "previous patch"
|
dongsheng@661
|
478 msgstr "<command role=\"hg-ext-mq\">qprev</command>—显示上个补丁的名称"
|
dongsheng@627
|
479
|
dongsheng@627
|
480 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
481 #: ../en/appB-mq-ref.xml:291
|
dongsheng@627
|
482 msgid ""
|
dongsheng@627
|
483 "The <command role=\"hg-ext-mq\">qprev</command> command prints the name of "
|
dongsheng@627
|
484 "the patch in the <filename role=\"special\">series</filename> file that comes "
|
dongsheng@627
|
485 "before the topmost applied patch. This will become the topmost applied patch "
|
dongsheng@627
|
486 "if you run <command role=\"hg-ext-mq\">qpop</command>."
|
dongsheng@627
|
487 msgstr ""
|
dongsheng@627
|
488
|
dongsheng@627
|
489 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
490 #: ../en/appB-mq-ref.xml:300
|
songdongsheng@668
|
491 msgid ""
|
songdongsheng@668
|
492 "<command role=\"hg-ext-mq\">qpush</command>&emdash;push patches onto the stack"
|
dongsheng@661
|
493 msgstr "<command role=\"hg-ext-mq\">qpush</command>—增加补丁到堆栈"
|
dongsheng@627
|
494
|
dongsheng@627
|
495 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
496 #: ../en/appB-mq-ref.xml:303
|
dongsheng@627
|
497 msgid ""
|
dongsheng@627
|
498 "The <command role=\"hg-ext-mq\">qpush</command> command adds patches onto the "
|
dongsheng@627
|
499 "applied stack. By default, it adds only one patch."
|
dongsheng@627
|
500 msgstr ""
|
dongsheng@627
|
501
|
dongsheng@627
|
502 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
503 #: ../en/appB-mq-ref.xml:307
|
dongsheng@627
|
504 msgid ""
|
dongsheng@627
|
505 "This command creates a new changeset to represent each applied patch, and "
|
dongsheng@627
|
506 "updates the working directory to apply the effects of the patches."
|
dongsheng@627
|
507 msgstr ""
|
dongsheng@627
|
508
|
dongsheng@627
|
509 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
510 #: ../en/appB-mq-ref.xml:311
|
dongsheng@627
|
511 msgid "The default data used when creating a changeset are as follows:"
|
dongsheng@627
|
512 msgstr ""
|
dongsheng@627
|
513
|
dongsheng@627
|
514 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
515 #: ../en/appB-mq-ref.xml:314
|
dongsheng@627
|
516 msgid ""
|
dongsheng@627
|
517 "The commit date and time zone are the current date and time zone. Because "
|
dongsheng@627
|
518 "these data are used to compute the identity of a changeset, this means that "
|
dongsheng@627
|
519 "if you <command role=\"hg-ext-mq\">qpop</command> a patch and <command role="
|
dongsheng@627
|
520 "\"hg-ext-mq\">qpush</command> it again, the changeset that you push will have "
|
dongsheng@627
|
521 "a different identity than the changeset you popped."
|
dongsheng@627
|
522 msgstr ""
|
dongsheng@627
|
523
|
dongsheng@627
|
524 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
525 #: ../en/appB-mq-ref.xml:322
|
dongsheng@627
|
526 msgid ""
|
dongsheng@627
|
527 "The author is the same as the default used by the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
528 "commit</command> command."
|
dongsheng@627
|
529 msgstr ""
|
dongsheng@627
|
530
|
dongsheng@627
|
531 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
532 #: ../en/appB-mq-ref.xml:326
|
dongsheng@627
|
533 msgid ""
|
dongsheng@627
|
534 "The commit message is any text from the patch file that comes before the "
|
dongsheng@627
|
535 "first diff header. If there is no such text, a default commit message is "
|
dongsheng@627
|
536 "used that identifies the name of the patch."
|
dongsheng@627
|
537 msgstr ""
|
dongsheng@627
|
538
|
dongsheng@627
|
539 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
540 #: ../en/appB-mq-ref.xml:331
|
dongsheng@627
|
541 msgid ""
|
dongsheng@627
|
542 "If a patch contains a Mercurial patch header (XXX add link), the information "
|
dongsheng@627
|
543 "in the patch header overrides these defaults."
|
dongsheng@627
|
544 msgstr ""
|
dongsheng@627
|
545
|
dongsheng@627
|
546 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
547 #: ../en/appB-mq-ref.xml:337
|
dongsheng@627
|
548 msgid ""
|
dongsheng@627
|
549 "<option role=\"hg-ext-mq-cmd-qpush-opt\">-a</option>: Push all unapplied "
|
dongsheng@627
|
550 "patches from the <filename role=\"special\">series</filename> file until "
|
dongsheng@627
|
551 "there are none left to push."
|
dongsheng@627
|
552 msgstr ""
|
dongsheng@627
|
553
|
dongsheng@627
|
554 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
555 #: ../en/appB-mq-ref.xml:343
|
dongsheng@627
|
556 msgid ""
|
dongsheng@627
|
557 "<option role=\"hg-ext-mq-cmd-qpush-opt\">-l</option>: Add the name of the "
|
dongsheng@627
|
558 "patch to the end of the commit message."
|
dongsheng@627
|
559 msgstr ""
|
dongsheng@627
|
560
|
dongsheng@627
|
561 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
562 #: ../en/appB-mq-ref.xml:347
|
dongsheng@627
|
563 msgid ""
|
dongsheng@627
|
564 "<option role=\"hg-ext-mq-cmd-qpush-opt\">-m</option>: If a patch fails to "
|
dongsheng@627
|
565 "apply cleanly, use the entry for the patch in another saved queue to compute "
|
dongsheng@627
|
566 "the parameters for a three-way merge, and perform a three-way merge using the "
|
dongsheng@627
|
567 "normal Mercurial merge machinery. Use the resolution of the merge as the new "
|
dongsheng@627
|
568 "patch content."
|
dongsheng@627
|
569 msgstr ""
|
dongsheng@627
|
570
|
dongsheng@627
|
571 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
572 #: ../en/appB-mq-ref.xml:355
|
dongsheng@627
|
573 msgid ""
|
dongsheng@627
|
574 "<option role=\"hg-ext-mq-cmd-qpush-opt\">-n</option>: Use the named queue if "
|
dongsheng@627
|
575 "merging while pushing."
|
dongsheng@627
|
576 msgstr ""
|
dongsheng@627
|
577
|
dongsheng@627
|
578 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
579 #: ../en/appB-mq-ref.xml:360
|
dongsheng@627
|
580 msgid ""
|
dongsheng@627
|
581 "The <command role=\"hg-ext-mq\">qpush</command> command reads, but does not "
|
dongsheng@627
|
582 "modify, the <filename role=\"special\">series</filename> file. It appends "
|
dongsheng@627
|
583 "one line to the <command role=\"hg-cmd\">hg status</command> file for each "
|
dongsheng@627
|
584 "patch that it pushes."
|
dongsheng@627
|
585 msgstr ""
|
dongsheng@627
|
586
|
dongsheng@627
|
587 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
588 #: ../en/appB-mq-ref.xml:368
|
songdongsheng@668
|
589 msgid ""
|
songdongsheng@668
|
590 "<command role=\"hg-ext-mq\">qrefresh</command>&emdash;update the topmost "
|
songdongsheng@668
|
591 "applied patch"
|
dongsheng@661
|
592 msgstr "<command role=\"hg-ext-mq\">qrefresh</command>—更新最新的补丁"
|
dongsheng@627
|
593
|
dongsheng@627
|
594 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
595 #: ../en/appB-mq-ref.xml:372
|
dongsheng@627
|
596 msgid ""
|
dongsheng@627
|
597 "The <command role=\"hg-ext-mq\">qrefresh</command> command updates the "
|
dongsheng@627
|
598 "topmost applied patch. It modifies the patch, removes the old changeset that "
|
dongsheng@627
|
599 "represented the patch, and creates a new changeset to represent the modified "
|
dongsheng@627
|
600 "patch."
|
dongsheng@627
|
601 msgstr ""
|
dongsheng@627
|
602
|
dongsheng@627
|
603 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
604 #: ../en/appB-mq-ref.xml:378
|
dongsheng@627
|
605 msgid ""
|
dongsheng@627
|
606 "The <command role=\"hg-ext-mq\">qrefresh</command> command looks for the "
|
dongsheng@627
|
607 "following modifications:"
|
dongsheng@627
|
608 msgstr ""
|
dongsheng@627
|
609
|
dongsheng@627
|
610 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
611 #: ../en/appB-mq-ref.xml:381
|
dongsheng@627
|
612 msgid ""
|
dongsheng@627
|
613 "Changes to the commit message, i.e. the text before the first diff header in "
|
dongsheng@627
|
614 "the patch file, are reflected in the new changeset that represents the patch."
|
dongsheng@627
|
615 msgstr ""
|
dongsheng@627
|
616
|
dongsheng@627
|
617 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
618 #: ../en/appB-mq-ref.xml:386
|
dongsheng@627
|
619 msgid ""
|
dongsheng@627
|
620 "Modifications to tracked files in the working directory are added to the "
|
dongsheng@627
|
621 "patch."
|
dongsheng@627
|
622 msgstr ""
|
dongsheng@627
|
623
|
dongsheng@627
|
624 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
625 #: ../en/appB-mq-ref.xml:389
|
dongsheng@627
|
626 msgid ""
|
dongsheng@627
|
627 "Changes to the files tracked using <command role=\"hg-cmd\">hg add</command>, "
|
dongsheng@627
|
628 "<command role=\"hg-cmd\">hg copy</command>, <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
629 "remove</command>, or <command role=\"hg-cmd\">hg rename</command>. Added "
|
dongsheng@627
|
630 "files and copy and rename destinations are added to the patch, while removed "
|
dongsheng@627
|
631 "files and rename sources are removed."
|
dongsheng@627
|
632 msgstr ""
|
dongsheng@627
|
633
|
dongsheng@627
|
634 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
635 #: ../en/appB-mq-ref.xml:398
|
dongsheng@627
|
636 msgid ""
|
dongsheng@627
|
637 "Even if <command role=\"hg-ext-mq\">qrefresh</command> detects no changes, it "
|
dongsheng@627
|
638 "still recreates the changeset that represents the patch. This causes the "
|
dongsheng@627
|
639 "identity of the changeset to differ from the previous changeset that "
|
dongsheng@627
|
640 "identified the patch."
|
dongsheng@627
|
641 msgstr ""
|
dongsheng@627
|
642
|
dongsheng@627
|
643 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
644 #: ../en/appB-mq-ref.xml:406
|
dongsheng@627
|
645 msgid ""
|
dongsheng@627
|
646 "<option role=\"hg-ext-mq-cmd-qrefresh-opt\">-e</option>: Modify the commit "
|
dongsheng@627
|
647 "and patch description, using the preferred text editor."
|
dongsheng@627
|
648 msgstr ""
|
dongsheng@627
|
649
|
dongsheng@627
|
650 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
651 #: ../en/appB-mq-ref.xml:411
|
dongsheng@627
|
652 msgid ""
|
dongsheng@627
|
653 "<option role=\"hg-ext-mq-cmd-qrefresh-opt\">-m</option>: Modify the commit "
|
dongsheng@627
|
654 "message and patch description, using the given text."
|
dongsheng@627
|
655 msgstr ""
|
dongsheng@627
|
656
|
dongsheng@627
|
657 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
658 #: ../en/appB-mq-ref.xml:416
|
dongsheng@627
|
659 msgid ""
|
dongsheng@627
|
660 "<option role=\"hg-ext-mq-cmd-qrefresh-opt\">-l</option>: Modify the commit "
|
dongsheng@627
|
661 "message and patch description, using text from the given file."
|
dongsheng@627
|
662 msgstr ""
|
dongsheng@627
|
663
|
dongsheng@627
|
664 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
665 #: ../en/appB-mq-ref.xml:424
|
songdongsheng@668
|
666 msgid "<command role=\"hg-ext-mq\">qrename</command>&emdash;rename a patch"
|
dongsheng@661
|
667 msgstr "<command role=\"hg-ext-mq\">qrename</command>—改名补丁"
|
dongsheng@627
|
668
|
dongsheng@627
|
669 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
670 #: ../en/appB-mq-ref.xml:427
|
dongsheng@627
|
671 msgid ""
|
dongsheng@627
|
672 "The <command role=\"hg-ext-mq\">qrename</command> command renames a patch, "
|
dongsheng@627
|
673 "and changes the entry for the patch in the <filename role=\"special\">series</"
|
dongsheng@627
|
674 "filename> file."
|
dongsheng@627
|
675 msgstr ""
|
dongsheng@627
|
676
|
dongsheng@627
|
677 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
678 #: ../en/appB-mq-ref.xml:431
|
dongsheng@627
|
679 msgid ""
|
dongsheng@627
|
680 "With a single argument, <command role=\"hg-ext-mq\">qrename</command> renames "
|
dongsheng@627
|
681 "the topmost applied patch. With two arguments, it renames its first argument "
|
dongsheng@627
|
682 "to its second."
|
dongsheng@627
|
683 msgstr ""
|
dongsheng@627
|
684
|
dongsheng@627
|
685 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
686 #: ../en/appB-mq-ref.xml:438
|
songdongsheng@668
|
687 msgid ""
|
songdongsheng@668
|
688 "<command role=\"hg-ext-mq\">qrestore</command>&emdash;restore saved queue "
|
songdongsheng@668
|
689 "state"
|
dongsheng@661
|
690 msgstr "<command role=\"hg-ext-mq\">qrestore</command>—恢复保存的队列"
|
dongsheng@627
|
691
|
dongsheng@627
|
692 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
693 #: ../en/appB-mq-ref.xml:442
|
dongsheng@627
|
694 msgid "XXX No idea what this does."
|
dongsheng@627
|
695 msgstr ""
|
dongsheng@627
|
696
|
dongsheng@627
|
697 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
698 #: ../en/appB-mq-ref.xml:446
|
songdongsheng@668
|
699 msgid ""
|
songdongsheng@668
|
700 "<command role=\"hg-ext-mq\">qsave</command>&emdash;save current queue state"
|
dongsheng@661
|
701 msgstr "<command role=\"hg-ext-mq\">qsave</command>—保存当前的队列状态"
|
dongsheng@627
|
702
|
dongsheng@627
|
703 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
704 #: ../en/appB-mq-ref.xml:449
|
dongsheng@627
|
705 msgid "XXX Likewise."
|
dongsheng@627
|
706 msgstr ""
|
dongsheng@627
|
707
|
dongsheng@627
|
708 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
709 #: ../en/appB-mq-ref.xml:453
|
songdongsheng@668
|
710 msgid ""
|
songdongsheng@668
|
711 "<command role=\"hg-ext-mq\">qseries</command>&emdash;print the entire patch "
|
songdongsheng@668
|
712 "series"
|
dongsheng@661
|
713 msgstr "<command role=\"hg-ext-mq\">qseries</command>—显示补丁序列"
|
dongsheng@627
|
714
|
dongsheng@627
|
715 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
716 #: ../en/appB-mq-ref.xml:456
|
dongsheng@627
|
717 msgid ""
|
dongsheng@627
|
718 "The <command role=\"hg-ext-mq\">qseries</command> command prints the entire "
|
dongsheng@627
|
719 "patch series from the <filename role=\"special\">series</filename> file. It "
|
dongsheng@627
|
720 "prints only patch names, not empty lines or comments. It prints in order "
|
dongsheng@627
|
721 "from first to be applied to last."
|
dongsheng@627
|
722 msgstr ""
|
dongsheng@627
|
723
|
dongsheng@627
|
724 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
725 #: ../en/appB-mq-ref.xml:464
|
songdongsheng@668
|
726 msgid ""
|
songdongsheng@668
|
727 "<command role=\"hg-ext-mq\">qtop</command>&emdash;print the name of the "
|
songdongsheng@668
|
728 "current patch"
|
dongsheng@661
|
729 msgstr "<command role=\"hg-ext-mq\">qtop</command>—显示当前补丁的名称"
|
dongsheng@627
|
730
|
dongsheng@627
|
731 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
732 #: ../en/appB-mq-ref.xml:467
|
dongsheng@627
|
733 msgid ""
|
dongsheng@627
|
734 "The <command role=\"hg-ext-mq\">qtop</command> prints the name of the topmost "
|
dongsheng@627
|
735 "currently applied patch."
|
dongsheng@627
|
736 msgstr ""
|
dongsheng@627
|
737
|
dongsheng@627
|
738 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
739 #: ../en/appB-mq-ref.xml:472
|
songdongsheng@668
|
740 msgid ""
|
songdongsheng@668
|
741 "<command role=\"hg-ext-mq\">qunapplied</command>&emdash;print patches not yet "
|
songdongsheng@668
|
742 "applied"
|
dongsheng@661
|
743 msgstr "<command role=\"hg-ext-mq\">qunapplied</command>—显示尚未应用的补丁"
|
dongsheng@627
|
744
|
dongsheng@627
|
745 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
746 #: ../en/appB-mq-ref.xml:476
|
dongsheng@627
|
747 msgid ""
|
dongsheng@627
|
748 "The <command role=\"hg-ext-mq\">qunapplied</command> command prints the names "
|
dongsheng@627
|
749 "of patches from the <filename role=\"special\">series</filename> file that "
|
dongsheng@627
|
750 "are not yet applied. It prints them in order from the next patch that will "
|
dongsheng@627
|
751 "be pushed to the last."
|
dongsheng@627
|
752 msgstr ""
|
dongsheng@627
|
753
|
dongsheng@627
|
754 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
755 #: ../en/appB-mq-ref.xml:484
|
songdongsheng@668
|
756 msgid ""
|
songdongsheng@668
|
757 "<command role=\"hg-cmd\">hg strip</command>&emdash;remove a revision and "
|
songdongsheng@668
|
758 "descendants"
|
dongsheng@661
|
759 msgstr "<command role=\"hg-cmd\">hg strip</command>—删除一个版本及其后继"
|
dongsheng@627
|
760
|
dongsheng@627
|
761 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
762 #: ../en/appB-mq-ref.xml:487
|
dongsheng@627
|
763 msgid ""
|
dongsheng@627
|
764 "The <command role=\"hg-cmd\">hg strip</command> command removes a revision, "
|
dongsheng@627
|
765 "and all of its descendants, from the repository. It undoes the effects of "
|
dongsheng@627
|
766 "the removed revisions from the repository, and updates the working directory "
|
dongsheng@627
|
767 "to the first parent of the removed revision."
|
dongsheng@627
|
768 msgstr ""
|
dongsheng@627
|
769
|
dongsheng@627
|
770 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
771 #: ../en/appB-mq-ref.xml:493
|
dongsheng@627
|
772 msgid ""
|
dongsheng@627
|
773 "The <command role=\"hg-cmd\">hg strip</command> command saves a backup of the "
|
dongsheng@627
|
774 "removed changesets in a bundle, so that they can be reapplied if removed in "
|
dongsheng@627
|
775 "error."
|
dongsheng@627
|
776 msgstr ""
|
dongsheng@627
|
777
|
dongsheng@627
|
778 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
779 #: ../en/appB-mq-ref.xml:499
|
dongsheng@627
|
780 msgid ""
|
dongsheng@627
|
781 "<option role=\"hg-opt-strip\">-b</option>: Save unrelated changesets that are "
|
dongsheng@627
|
782 "intermixed with the stripped changesets in the backup bundle."
|
dongsheng@627
|
783 msgstr ""
|
dongsheng@627
|
784
|
dongsheng@627
|
785 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
786 #: ../en/appB-mq-ref.xml:503
|
dongsheng@627
|
787 msgid ""
|
dongsheng@627
|
788 "<option role=\"hg-opt-strip\">-f</option>: If a branch has multiple heads, "
|
dongsheng@627
|
789 "remove all heads. XXX This should be renamed, and use <literal>-f</literal> "
|
dongsheng@627
|
790 "to strip revs when there are pending changes."
|
dongsheng@627
|
791 msgstr ""
|
dongsheng@627
|
792
|
dongsheng@627
|
793 #. type: Content of: <book><appendix><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
794 #: ../en/appB-mq-ref.xml:508
|
dongsheng@627
|
795 msgid "<option role=\"hg-opt-strip\">-n</option>: Do not save a backup bundle."
|
dongsheng@627
|
796 msgstr ""
|
dongsheng@627
|
797
|
dongsheng@627
|
798 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@650
|
799 #: ../en/appB-mq-ref.xml:515
|
dongsheng@627
|
800 msgid "MQ file reference"
|
dongsheng@627
|
801 msgstr "MQ 文件参考"
|
dongsheng@627
|
802
|
dongsheng@627
|
803 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
804 #: ../en/appB-mq-ref.xml:518
|
dongsheng@627
|
805 msgid "The <filename role=\"special\">series</filename> file"
|
dongsheng@627
|
806 msgstr "<filename role=\"special\">序列</filename>文件"
|
dongsheng@627
|
807
|
dongsheng@627
|
808 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
809 #: ../en/appB-mq-ref.xml:521
|
dongsheng@627
|
810 msgid ""
|
dongsheng@627
|
811 "The <filename role=\"special\">series</filename> file contains a list of the "
|
dongsheng@627
|
812 "names of all patches that MQ can apply. It is represented as a list of "
|
dongsheng@627
|
813 "names, with one name saved per line. Leading and trailing white space in "
|
dongsheng@627
|
814 "each line are ignored."
|
dongsheng@627
|
815 msgstr ""
|
dongsheng@627
|
816
|
dongsheng@627
|
817 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
818 #: ../en/appB-mq-ref.xml:527
|
dongsheng@627
|
819 msgid ""
|
dongsheng@627
|
820 "Lines may contain comments. A comment begins with the <quote><literal>#</"
|
dongsheng@627
|
821 "literal></quote> character, and extends to the end of the line. Empty lines, "
|
dongsheng@627
|
822 "and lines that contain only comments, are ignored."
|
dongsheng@627
|
823 msgstr ""
|
dongsheng@627
|
824
|
dongsheng@627
|
825 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
826 #: ../en/appB-mq-ref.xml:532
|
dongsheng@627
|
827 msgid ""
|
dongsheng@627
|
828 "You will often need to edit the <filename role=\"special\">series</filename> "
|
dongsheng@627
|
829 "file by hand, hence the support for comments and empty lines noted above. "
|
dongsheng@627
|
830 "For example, you can comment out a patch temporarily, and <command role=\"hg-"
|
dongsheng@627
|
831 "ext-mq\">qpush</command> will skip over that patch when applying patches. "
|
dongsheng@627
|
832 "You can also change the order in which patches are applied by reordering "
|
dongsheng@627
|
833 "their entries in the <filename role=\"special\">series</filename> file."
|
dongsheng@627
|
834 msgstr ""
|
dongsheng@627
|
835
|
dongsheng@627
|
836 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
837 #: ../en/appB-mq-ref.xml:541
|
dongsheng@627
|
838 msgid ""
|
dongsheng@627
|
839 "Placing the <filename role=\"special\">series</filename> file under revision "
|
dongsheng@627
|
840 "control is also supported; it is a good idea to place all of the patches that "
|
dongsheng@627
|
841 "it refers to under revision control, as well. If you create a patch "
|
dongsheng@627
|
842 "directory using the <option role=\"hg-ext-mq-cmd-qinit-opt\">-c</option> "
|
dongsheng@627
|
843 "option to <command role=\"hg-ext-mq\">qinit</command>, this will be done for "
|
dongsheng@627
|
844 "you automatically."
|
dongsheng@627
|
845 msgstr ""
|
dongsheng@627
|
846
|
dongsheng@627
|
847 #. type: Content of: <book><appendix><sect1><sect2><title>
|
dongsheng@650
|
848 #: ../en/appB-mq-ref.xml:551
|
dongsheng@627
|
849 msgid "The <filename role=\"special\">status</filename> file"
|
dongsheng@627
|
850 msgstr "<filename role=\"special\">状态</filename>文件"
|
dongsheng@627
|
851
|
dongsheng@627
|
852 #. type: Content of: <book><appendix><sect1><sect2><para>
|
dongsheng@650
|
853 #: ../en/appB-mq-ref.xml:554
|
dongsheng@627
|
854 msgid ""
|
dongsheng@627
|
855 "The <filename role=\"special\">status</filename> file contains the names and "
|
dongsheng@627
|
856 "changeset hashes of all patches that MQ currently has applied. Unlike the "
|
dongsheng@627
|
857 "<filename role=\"special\">series</filename> file, this file is not intended "
|
dongsheng@627
|
858 "for editing. You should not place this file under revision control, or "
|
dongsheng@627
|
859 "modify it in any way. It is used by MQ strictly for internal book-keeping."
|
dongsheng@627
|
860 msgstr ""
|
dongsheng@627
|
861
|
dongsheng@627
|
862 #. type: Content of: <book><appendix><title>
|
dongsheng@627
|
863 #: ../en/appC-srcinstall.xml:5
|
dongsheng@627
|
864 msgid "Installing Mercurial from source"
|
dongsheng@627
|
865 msgstr "从源代码安装 Mercurial"
|
dongsheng@627
|
866
|
dongsheng@627
|
867 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
868 #: ../en/appC-srcinstall.xml:8
|
dongsheng@627
|
869 msgid "On a Unix-like system"
|
dongsheng@627
|
870 msgstr "类 Unix 系统"
|
dongsheng@627
|
871
|
dongsheng@627
|
872 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
873 #: ../en/appC-srcinstall.xml:10
|
dongsheng@627
|
874 msgid ""
|
dongsheng@627
|
875 "If you are using a Unix-like system that has a sufficiently recent version of "
|
dongsheng@627
|
876 "Python (2.3 or newer) available, it is easy to install Mercurial from source."
|
dongsheng@627
|
877 msgstr ""
|
dongsheng@627
|
878
|
dongsheng@627
|
879 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
880 #: ../en/appC-srcinstall.xml:14
|
dongsheng@627
|
881 msgid ""
|
dongsheng@627
|
882 "Download a recent source tarball from <ulink url=\"http://www.selenic.com/"
|
dongsheng@627
|
883 "mercurial/download\">http://www.selenic.com/mercurial/download</ulink>."
|
dongsheng@627
|
884 msgstr ""
|
dongsheng@627
|
885
|
dongsheng@627
|
886 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
887 #: ../en/appC-srcinstall.xml:17
|
dongsheng@627
|
888 msgid "Unpack the tarball:"
|
dongsheng@627
|
889 msgstr ""
|
dongsheng@627
|
890
|
dongsheng@627
|
891 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
892 #: ../en/appC-srcinstall.xml:20
|
dongsheng@627
|
893 msgid ""
|
dongsheng@627
|
894 "Go into the source directory and run the installer script. This will build "
|
dongsheng@627
|
895 "Mercurial and install it in your home directory."
|
dongsheng@627
|
896 msgstr ""
|
dongsheng@627
|
897
|
dongsheng@627
|
898 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
899 #: ../en/appC-srcinstall.xml:27
|
dongsheng@627
|
900 msgid ""
|
dongsheng@627
|
901 "Once the install finishes, Mercurial will be in the <literal>bin</literal> "
|
dongsheng@627
|
902 "subdirectory of your home directory. Don't forget to make sure that this "
|
dongsheng@627
|
903 "directory is present in your shell's search path."
|
dongsheng@627
|
904 msgstr ""
|
dongsheng@627
|
905
|
dongsheng@627
|
906 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
907 #: ../en/appC-srcinstall.xml:32
|
dongsheng@627
|
908 msgid ""
|
dongsheng@627
|
909 "You will probably need to set the <envar>PYTHONPATH</envar> environment "
|
dongsheng@627
|
910 "variable so that the Mercurial executable can find the rest of the Mercurial "
|
dongsheng@627
|
911 "packages. For example, on my laptop, I have set it to <literal>/home/bos/lib/"
|
dongsheng@627
|
912 "python</literal>. The exact path that you will need to use depends on how "
|
dongsheng@627
|
913 "Python was built for your system, but should be easy to figure out. If "
|
dongsheng@627
|
914 "you're uncertain, look through the output of the installer script above, and "
|
dongsheng@627
|
915 "see where the contents of the <literal>mercurial</literal> directory were "
|
dongsheng@627
|
916 "installed to."
|
dongsheng@627
|
917 msgstr ""
|
dongsheng@627
|
918
|
dongsheng@627
|
919 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
920 #: ../en/appC-srcinstall.xml:44
|
dongsheng@627
|
921 msgid "On Windows"
|
dongsheng@627
|
922 msgstr "Windows 系统"
|
dongsheng@627
|
923
|
dongsheng@627
|
924 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
925 #: ../en/appC-srcinstall.xml:46
|
dongsheng@627
|
926 msgid ""
|
dongsheng@627
|
927 "Building and installing Mercurial on Windows requires a variety of tools, a "
|
dongsheng@627
|
928 "fair amount of technical knowledge, and considerable patience. I very much "
|
dongsheng@627
|
929 "<emphasis>do not recommend</emphasis> this route if you are a <quote>casual "
|
dongsheng@627
|
930 "user</quote>. Unless you intend to hack on Mercurial, I strongly suggest "
|
dongsheng@627
|
931 "that you use a binary package instead."
|
dongsheng@627
|
932 msgstr ""
|
dongsheng@627
|
933
|
dongsheng@627
|
934 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
935 #: ../en/appC-srcinstall.xml:53
|
dongsheng@627
|
936 msgid ""
|
dongsheng@627
|
937 "If you are intent on building Mercurial from source on Windows, follow the "
|
dongsheng@627
|
938 "<quote>hard way</quote> directions on the Mercurial wiki at <ulink url="
|
dongsheng@627
|
939 "\"http://www.selenic.com/mercurial/wiki/index.cgi/WindowsInstall\">http://www."
|
dongsheng@627
|
940 "selenic.com/mercurial/wiki/index.cgi/WindowsInstall</ulink>, and expect the "
|
dongsheng@627
|
941 "process to involve a lot of fiddly work."
|
dongsheng@627
|
942 msgstr ""
|
dongsheng@627
|
943
|
dongsheng@627
|
944 #. type: Content of: <book><appendix><title>
|
dongsheng@627
|
945 #: ../en/appD-license.xml:5
|
dongsheng@627
|
946 msgid "Open Publication License"
|
dongsheng@627
|
947 msgstr ""
|
dongsheng@627
|
948
|
dongsheng@627
|
949 #. type: Content of: <book><appendix><para>
|
dongsheng@627
|
950 #: ../en/appD-license.xml:7
|
dongsheng@627
|
951 msgid "Version 1.0, 8 June 1999"
|
dongsheng@627
|
952 msgstr ""
|
dongsheng@627
|
953
|
dongsheng@627
|
954 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
955 #: ../en/appD-license.xml:10
|
dongsheng@627
|
956 msgid "Requirements on both unmodified and modified versions"
|
dongsheng@627
|
957 msgstr ""
|
dongsheng@627
|
958
|
dongsheng@627
|
959 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
960 #: ../en/appD-license.xml:13
|
dongsheng@627
|
961 msgid ""
|
dongsheng@627
|
962 "The Open Publication works may be reproduced and distributed in whole or in "
|
dongsheng@627
|
963 "part, in any medium physical or electronic, provided that the terms of this "
|
dongsheng@627
|
964 "license are adhered to, and that this license or an incorporation of it by "
|
dongsheng@627
|
965 "reference (with any options elected by the author(s) and/or publisher) is "
|
dongsheng@627
|
966 "displayed in the reproduction."
|
dongsheng@627
|
967 msgstr ""
|
dongsheng@627
|
968
|
dongsheng@627
|
969 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
970 #: ../en/appD-license.xml:20
|
dongsheng@627
|
971 msgid "Proper form for an incorporation by reference is as follows:"
|
dongsheng@627
|
972 msgstr ""
|
dongsheng@627
|
973
|
dongsheng@627
|
974 #. type: Content of: <book><appendix><sect1><blockquote><para>
|
dongsheng@627
|
975 #: ../en/appD-license.xml:24
|
dongsheng@627
|
976 msgid ""
|
dongsheng@627
|
977 "Copyright (c) <emphasis>year</emphasis> by <emphasis>author's name or "
|
dongsheng@627
|
978 "designee</emphasis>. This material may be distributed only subject to the "
|
dongsheng@627
|
979 "terms and conditions set forth in the Open Publication License, v<emphasis>x."
|
dongsheng@627
|
980 "y</emphasis> or later (the latest version is presently available at <ulink "
|
dongsheng@627
|
981 "url=\"http://www.opencontent.org/openpub/\">http://www.opencontent.org/"
|
dongsheng@627
|
982 "openpub/</ulink>)."
|
dongsheng@627
|
983 msgstr ""
|
dongsheng@627
|
984
|
dongsheng@627
|
985 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
986 #: ../en/appD-license.xml:33
|
dongsheng@627
|
987 msgid ""
|
dongsheng@627
|
988 "The reference must be immediately followed with any options elected by the "
|
songdongsheng@658
|
989 "author(s) and/or publisher of the document (see <xref linkend=\"sec:opl:"
|
songdongsheng@658
|
990 "options\"/>)."
|
dongsheng@627
|
991 msgstr ""
|
dongsheng@627
|
992
|
dongsheng@627
|
993 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
994 #: ../en/appD-license.xml:37
|
dongsheng@627
|
995 msgid ""
|
dongsheng@627
|
996 "Commercial redistribution of Open Publication-licensed material is permitted."
|
dongsheng@627
|
997 msgstr ""
|
dongsheng@627
|
998
|
dongsheng@627
|
999 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1000 #: ../en/appD-license.xml:40
|
dongsheng@627
|
1001 msgid ""
|
dongsheng@627
|
1002 "Any publication in standard (paper) book form shall require the citation of "
|
dongsheng@627
|
1003 "the original publisher and author. The publisher and author's names shall "
|
dongsheng@627
|
1004 "appear on all outer surfaces of the book. On all outer surfaces of the book "
|
dongsheng@627
|
1005 "the original publisher's name shall be as large as the title of the work and "
|
dongsheng@627
|
1006 "cited as possessive with respect to the title."
|
dongsheng@627
|
1007 msgstr ""
|
dongsheng@627
|
1008
|
dongsheng@627
|
1009 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
1010 #: ../en/appD-license.xml:49
|
dongsheng@627
|
1011 msgid "Copyright"
|
dongsheng@627
|
1012 msgstr ""
|
dongsheng@627
|
1013
|
dongsheng@627
|
1014 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1015 #: ../en/appD-license.xml:51
|
dongsheng@627
|
1016 msgid ""
|
dongsheng@627
|
1017 "The copyright to each Open Publication is owned by its author(s) or designee."
|
dongsheng@627
|
1018 msgstr ""
|
dongsheng@627
|
1019
|
dongsheng@627
|
1020 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
1021 #: ../en/appD-license.xml:56
|
dongsheng@627
|
1022 msgid "Scope of license"
|
dongsheng@627
|
1023 msgstr ""
|
dongsheng@627
|
1024
|
dongsheng@627
|
1025 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1026 #: ../en/appD-license.xml:58
|
dongsheng@627
|
1027 msgid ""
|
dongsheng@627
|
1028 "The following license terms apply to all Open Publication works, unless "
|
dongsheng@627
|
1029 "otherwise explicitly stated in the document."
|
dongsheng@627
|
1030 msgstr ""
|
dongsheng@627
|
1031
|
dongsheng@627
|
1032 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1033 #: ../en/appD-license.xml:62
|
dongsheng@627
|
1034 msgid ""
|
dongsheng@627
|
1035 "Mere aggregation of Open Publication works or a portion of an Open "
|
dongsheng@627
|
1036 "Publication work with other works or programs on the same media shall not "
|
dongsheng@627
|
1037 "cause this license to apply to those other works. The aggregate work shall "
|
dongsheng@627
|
1038 "contain a notice specifying the inclusion of the Open Publication material "
|
dongsheng@627
|
1039 "and appropriate copyright notice."
|
dongsheng@627
|
1040 msgstr ""
|
dongsheng@627
|
1041
|
dongsheng@627
|
1042 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1043 #: ../en/appD-license.xml:69
|
dongsheng@627
|
1044 msgid ""
|
dongsheng@627
|
1045 "<emphasis role=\"bold\">Severability</emphasis>. If any part of this license "
|
dongsheng@627
|
1046 "is found to be unenforceable in any jurisdiction, the remaining portions of "
|
dongsheng@627
|
1047 "the license remain in force."
|
dongsheng@627
|
1048 msgstr ""
|
dongsheng@627
|
1049
|
dongsheng@627
|
1050 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1051 #: ../en/appD-license.xml:74
|
dongsheng@627
|
1052 msgid ""
|
dongsheng@627
|
1053 "<emphasis role=\"bold\">No warranty</emphasis>. Open Publication works are "
|
dongsheng@627
|
1054 "licensed and provided <quote>as is</quote> without warranty of any kind, "
|
dongsheng@627
|
1055 "express or implied, including, but not limited to, the implied warranties of "
|
dongsheng@627
|
1056 "merchantability and fitness for a particular purpose or a warranty of non-"
|
dongsheng@627
|
1057 "infringement."
|
dongsheng@627
|
1058 msgstr ""
|
dongsheng@627
|
1059
|
dongsheng@627
|
1060 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
1061 #: ../en/appD-license.xml:83
|
dongsheng@627
|
1062 msgid "Requirements on modified works"
|
dongsheng@627
|
1063 msgstr ""
|
dongsheng@627
|
1064
|
dongsheng@627
|
1065 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1066 #: ../en/appD-license.xml:85
|
dongsheng@627
|
1067 msgid ""
|
dongsheng@627
|
1068 "All modified versions of documents covered by this license, including "
|
dongsheng@627
|
1069 "translations, anthologies, compilations and partial documents, must meet the "
|
dongsheng@627
|
1070 "following requirements:"
|
dongsheng@627
|
1071 msgstr ""
|
dongsheng@627
|
1072
|
dongsheng@627
|
1073 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1074 #: ../en/appD-license.xml:90
|
dongsheng@627
|
1075 msgid "The modified version must be labeled as such."
|
dongsheng@627
|
1076 msgstr ""
|
dongsheng@627
|
1077
|
dongsheng@627
|
1078 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1079 #: ../en/appD-license.xml:93
|
dongsheng@627
|
1080 msgid ""
|
dongsheng@627
|
1081 "The person making the modifications must be identified and the modifications "
|
dongsheng@627
|
1082 "dated."
|
dongsheng@627
|
1083 msgstr ""
|
dongsheng@627
|
1084
|
dongsheng@627
|
1085 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1086 #: ../en/appD-license.xml:96
|
dongsheng@627
|
1087 msgid ""
|
dongsheng@627
|
1088 "Acknowledgement of the original author and publisher if applicable must be "
|
dongsheng@627
|
1089 "retained according to normal academic citation practices."
|
dongsheng@627
|
1090 msgstr ""
|
dongsheng@627
|
1091
|
dongsheng@627
|
1092 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1093 #: ../en/appD-license.xml:100
|
dongsheng@627
|
1094 msgid "The location of the original unmodified document must be identified."
|
dongsheng@627
|
1095 msgstr ""
|
dongsheng@627
|
1096
|
dongsheng@627
|
1097 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1098 #: ../en/appD-license.xml:103
|
dongsheng@627
|
1099 msgid ""
|
dongsheng@627
|
1100 "The original author's (or authors') name(s) may not be used to assert or "
|
dongsheng@627
|
1101 "imply endorsement of the resulting document without the original author's (or "
|
dongsheng@627
|
1102 "authors') permission."
|
dongsheng@627
|
1103 msgstr ""
|
dongsheng@627
|
1104
|
dongsheng@627
|
1105 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
1106 #: ../en/appD-license.xml:111
|
dongsheng@627
|
1107 msgid "Good-practice recommendations"
|
dongsheng@627
|
1108 msgstr ""
|
dongsheng@627
|
1109
|
dongsheng@627
|
1110 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1111 #: ../en/appD-license.xml:113
|
dongsheng@627
|
1112 msgid ""
|
dongsheng@627
|
1113 "In addition to the requirements of this license, it is requested from and "
|
dongsheng@627
|
1114 "strongly recommended of redistributors that:"
|
dongsheng@627
|
1115 msgstr ""
|
dongsheng@627
|
1116
|
dongsheng@627
|
1117 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1118 #: ../en/appD-license.xml:118
|
dongsheng@627
|
1119 msgid ""
|
dongsheng@627
|
1120 "If you are distributing Open Publication works on hardcopy or CD-ROM, you "
|
dongsheng@627
|
1121 "provide email notification to the authors of your intent to redistribute at "
|
dongsheng@627
|
1122 "least thirty days before your manuscript or media freeze, to give the authors "
|
dongsheng@627
|
1123 "time to provide updated documents. This notification should describe "
|
dongsheng@627
|
1124 "modifications, if any, made to the document."
|
dongsheng@627
|
1125 msgstr ""
|
dongsheng@627
|
1126
|
dongsheng@627
|
1127 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1128 #: ../en/appD-license.xml:125
|
dongsheng@627
|
1129 msgid ""
|
dongsheng@627
|
1130 "All substantive modifications (including deletions) be either clearly marked "
|
dongsheng@627
|
1131 "up in the document or else described in an attachment to the document."
|
dongsheng@627
|
1132 msgstr ""
|
dongsheng@627
|
1133
|
dongsheng@627
|
1134 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1135 #: ../en/appD-license.xml:129
|
dongsheng@627
|
1136 msgid ""
|
dongsheng@627
|
1137 "Finally, while it is not mandatory under this license, it is considered good "
|
dongsheng@627
|
1138 "form to offer a free copy of any hardcopy and CD-ROM expression of an Open "
|
dongsheng@627
|
1139 "Publication-licensed work to its author(s)."
|
dongsheng@627
|
1140 msgstr ""
|
dongsheng@627
|
1141
|
dongsheng@627
|
1142 #. type: Content of: <book><appendix><sect1><title>
|
dongsheng@627
|
1143 #: ../en/appD-license.xml:137
|
dongsheng@627
|
1144 msgid "License options"
|
dongsheng@627
|
1145 msgstr ""
|
dongsheng@627
|
1146
|
dongsheng@627
|
1147 #. type: Content of: <book><appendix><sect1><para>
|
dongsheng@627
|
1148 #: ../en/appD-license.xml:139
|
dongsheng@627
|
1149 msgid ""
|
dongsheng@627
|
1150 "The author(s) and/or publisher of an Open Publication-licensed document may "
|
dongsheng@627
|
1151 "elect certain options by appending language to the reference to or copy of "
|
dongsheng@627
|
1152 "the license. These options are considered part of the license instance and "
|
dongsheng@627
|
1153 "must be included with the license (or its incorporation by reference) in "
|
dongsheng@627
|
1154 "derived works."
|
dongsheng@627
|
1155 msgstr ""
|
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|
1156
|
dongsheng@627
|
1157 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1158 #: ../en/appD-license.xml:147
|
dongsheng@627
|
1159 msgid ""
|
dongsheng@627
|
1160 "To prohibit distribution of substantively modified versions without the "
|
dongsheng@627
|
1161 "explicit permission of the author(s). <quote>Substantive modification</quote> "
|
dongsheng@627
|
1162 "is defined as a change to the semantic content of the document, and excludes "
|
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|
1163 "mere changes in format or typographical corrections."
|
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|
1164 msgstr ""
|
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|
1165
|
dongsheng@627
|
1166 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
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|
1167 #: ../en/appD-license.xml:154
|
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|
1168 msgid ""
|
dongsheng@627
|
1169 "To accomplish this, add the phrase <quote>Distribution of substantively "
|
dongsheng@627
|
1170 "modified versions of this document is prohibited without the explicit "
|
dongsheng@627
|
1171 "permission of the copyright holder.</quote> to the license reference or copy."
|
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|
1172 msgstr ""
|
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|
1173
|
dongsheng@627
|
1174 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1175 #: ../en/appD-license.xml:160
|
dongsheng@627
|
1176 msgid ""
|
dongsheng@627
|
1177 "To prohibit any publication of this work or derivative works in whole or in "
|
dongsheng@627
|
1178 "part in standard (paper) book form for commercial purposes is prohibited "
|
dongsheng@627
|
1179 "unless prior permission is obtained from the copyright holder."
|
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|
1180 msgstr ""
|
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|
1181
|
dongsheng@627
|
1182 #. type: Content of: <book><appendix><sect1><orderedlist><listitem><para>
|
dongsheng@627
|
1183 #: ../en/appD-license.xml:165
|
dongsheng@627
|
1184 msgid ""
|
dongsheng@627
|
1185 "To accomplish this, add the phrase <quote>Distribution of the work or "
|
dongsheng@627
|
1186 "derivative of the work in any standard (paper) book form is prohibited unless "
|
dongsheng@627
|
1187 "prior permission is obtained from the copyright holder.</quote> to the "
|
dongsheng@627
|
1188 "license reference or copy."
|
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|
1189 msgstr ""
|
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|
1190
|
dongsheng@653
|
1191 #. type: Content of: <book><preface><title>
|
dongsheng@653
|
1192 #: ../en/ch00-preface.xml:5
|
dongsheng@653
|
1193 msgid "Preface"
|
dongsheng@653
|
1194 msgstr "序言"
|
dongsheng@653
|
1195
|
dongsheng@653
|
1196 #. type: Content of: <book><preface><sect1><title>
|
dongsheng@653
|
1197 #: ../en/ch00-preface.xml:8
|
dongsheng@653
|
1198 msgid "Why revision control? Why Mercurial?"
|
dongsheng@653
|
1199 msgstr "为什么使用版本控制? 为什么使用 Mercurial?"
|
dongsheng@653
|
1200
|
dongsheng@653
|
1201 #. type: Content of: <book><preface><sect1><para>
|
dongsheng@653
|
1202 #: ../en/ch00-preface.xml:10
|
dongsheng@653
|
1203 msgid ""
|
dongsheng@653
|
1204 "Revision control is the process of managing multiple versions of a piece of "
|
dongsheng@653
|
1205 "information. In its simplest form, this is something that many people do by "
|
dongsheng@653
|
1206 "hand: every time you modify a file, save it under a new name that contains a "
|
dongsheng@653
|
1207 "number, each one higher than the number of the preceding version."
|
dongsheng@653
|
1208 msgstr ""
|
dongsheng@653
|
1209
|
dongsheng@653
|
1210 #. type: Content of: <book><preface><sect1><para>
|
dongsheng@653
|
1211 #: ../en/ch00-preface.xml:16
|
dongsheng@653
|
1212 msgid ""
|
dongsheng@653
|
1213 "Manually managing multiple versions of even a single file is an error-prone "
|
dongsheng@653
|
1214 "task, though, so software tools to help automate this process have long been "
|
dongsheng@653
|
1215 "available. The earliest automated revision control tools were intended to "
|
dongsheng@653
|
1216 "help a single user to manage revisions of a single file. Over the past few "
|
dongsheng@653
|
1217 "decades, the scope of revision control tools has expanded greatly; they now "
|
dongsheng@653
|
1218 "manage multiple files, and help multiple people to work together. The best "
|
dongsheng@653
|
1219 "modern revision control tools have no problem coping with thousands of people "
|
dongsheng@653
|
1220 "working together on projects that consist of hundreds of thousands of files."
|
dongsheng@653
|
1221 msgstr ""
|
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|
1222
|
dongsheng@653
|
1223 #. type: Content of: <book><preface><sect1><para>
|
dongsheng@653
|
1224 #: ../en/ch00-preface.xml:27
|
dongsheng@653
|
1225 msgid ""
|
dongsheng@653
|
1226 "The arrival of distributed revision control is relatively recent, and so far "
|
dongsheng@653
|
1227 "this new field has grown due to people's willingness to explore ill-charted "
|
dongsheng@653
|
1228 "territory."
|
dongsheng@653
|
1229 msgstr ""
|
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|
1230
|
dongsheng@653
|
1231 #. type: Content of: <book><preface><sect1><para>
|
dongsheng@653
|
1232 #: ../en/ch00-preface.xml:31
|
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|
1233 msgid ""
|
dongsheng@653
|
1234 "I am writing a book about distributed revision control because I believe that "
|
dongsheng@653
|
1235 "it is an important subject that deserves a field guide. I chose to write "
|
dongsheng@653
|
1236 "about Mercurial because it is the easiest tool to learn the terrain with, and "
|
dongsheng@653
|
1237 "yet it scales to the demands of real, challenging environments where many "
|
dongsheng@653
|
1238 "other revision control tools buckle."
|
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|
1239 msgstr ""
|
dongsheng@653
|
1240
|
dongsheng@653
|
1241 #. type: Content of: <book><preface><sect1><sect2><title>
|
dongsheng@653
|
1242 #: ../en/ch00-preface.xml:39
|
dongsheng@653
|
1243 msgid "Why use revision control?"
|
dongsheng@653
|
1244 msgstr "为什么使用版本控制?"
|
dongsheng@653
|
1245
|
dongsheng@653
|
1246 #. type: Content of: <book><preface><sect1><sect2><para>
|
dongsheng@653
|
1247 #: ../en/ch00-preface.xml:41
|
dongsheng@653
|
1248 msgid ""
|
dongsheng@653
|
1249 "There are a number of reasons why you or your team might want to use an "
|
dongsheng@653
|
1250 "automated revision control tool for a project."
|
dongsheng@653
|
1251 msgstr ""
|
dongsheng@653
|
1252
|
dongsheng@653
|
1253 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@653
|
1254 #: ../en/ch00-preface.xml:46
|
dongsheng@653
|
1255 msgid ""
|
dongsheng@653
|
1256 "It will track the history and evolution of your project, so you don't have "
|
dongsheng@653
|
1257 "to. For every change, you'll have a log of <emphasis>who</emphasis> made it; "
|
dongsheng@653
|
1258 "<emphasis>why</emphasis> they made it; <emphasis>when</emphasis> they made "
|
dongsheng@653
|
1259 "it; and <emphasis>what</emphasis> the change was."
|
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|
1260 msgstr ""
|
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|
1261
|
dongsheng@653
|
1262 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@653
|
1263 #: ../en/ch00-preface.xml:53
|
dongsheng@653
|
1264 msgid ""
|
dongsheng@653
|
1265 "When you're working with other people, revision control software makes it "
|
dongsheng@653
|
1266 "easier for you to collaborate. For example, when people more or less "
|
dongsheng@653
|
1267 "simultaneously make potentially incompatible changes, the software will help "
|
dongsheng@653
|
1268 "you to identify and resolve those conflicts."
|
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|
1269 msgstr ""
|
dongsheng@653
|
1270
|
dongsheng@653
|
1271 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@653
|
1272 #: ../en/ch00-preface.xml:59
|
dongsheng@653
|
1273 msgid ""
|
dongsheng@653
|
1274 "It can help you to recover from mistakes. If you make a change that later "
|
dongsheng@653
|
1275 "turns out to be in error, you can revert to an earlier version of one or more "
|
dongsheng@653
|
1276 "files. In fact, a <emphasis>really</emphasis> good revision control tool "
|
dongsheng@653
|
1277 "will even help you to efficiently figure out exactly when a problem was "
|
songdongsheng@658
|
1278 "introduced (see <xref linkend=\"sec:undo:bisect\"/> for details)."
|
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|
1279 msgstr ""
|
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|
1280
|
dongsheng@653
|
1281 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@653
|
1282 #: ../en/ch00-preface.xml:66
|
dongsheng@653
|
1283 msgid ""
|
dongsheng@653
|
1284 "It will help you to work simultaneously on, and manage the drift between, "
|
dongsheng@653
|
1285 "multiple versions of your project."
|
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|
1286 msgstr ""
|
dongsheng@653
|
1287
|
dongsheng@653
|
1288 #. type: Content of: <book><preface><sect1><sect2><para>
|
dongsheng@653
|
1289 #: ../en/ch00-preface.xml:71
|
dongsheng@653
|
1290 msgid ""
|
songdongsheng@668
|
1291 "Most of these reasons are equally valid&emdash;at least in theory&emdash;"
|
songdongsheng@668
|
1292 "whether you're working on a project by yourself, or with a hundred other "
|
songdongsheng@668
|
1293 "people."
|
dongsheng@653
|
1294 msgstr ""
|
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|
1295
|
dongsheng@653
|
1296 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1297 #: ../en/ch00-preface.xml:76
|
dongsheng@653
|
1298 msgid ""
|
dongsheng@653
|
1299 "A key question about the practicality of revision control at these two "
|
dongsheng@653
|
1300 "different scales (<quote>lone hacker</quote> and <quote>huge team</quote>) is "
|
dongsheng@653
|
1301 "how its <emphasis>benefits</emphasis> compare to its <emphasis>costs</"
|
dongsheng@653
|
1302 "emphasis>. A revision control tool that's difficult to understand or use is "
|
dongsheng@653
|
1303 "going to impose a high cost."
|
dongsheng@653
|
1304 msgstr ""
|
dongsheng@653
|
1305
|
dongsheng@653
|
1306 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1307 #: ../en/ch00-preface.xml:84
|
dongsheng@653
|
1308 msgid ""
|
dongsheng@653
|
1309 "A five-hundred-person project is likely to collapse under its own weight "
|
dongsheng@653
|
1310 "almost immediately without a revision control tool and process. In this case, "
|
dongsheng@653
|
1311 "the cost of using revision control might hardly seem worth considering, since "
|
dongsheng@653
|
1312 "<emphasis>without</emphasis> it, failure is almost guaranteed."
|
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|
1313 msgstr ""
|
dongsheng@653
|
1314
|
dongsheng@653
|
1315 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1316 #: ../en/ch00-preface.xml:91
|
dongsheng@653
|
1317 msgid ""
|
dongsheng@653
|
1318 "On the other hand, a one-person <quote>quick hack</quote> might seem like a "
|
dongsheng@653
|
1319 "poor place to use a revision control tool, because surely the cost of using "
|
dongsheng@653
|
1320 "one must be close to the overall cost of the project. Right?"
|
dongsheng@653
|
1321 msgstr ""
|
dongsheng@653
|
1322
|
dongsheng@653
|
1323 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1324 #: ../en/ch00-preface.xml:96
|
dongsheng@653
|
1325 msgid ""
|
dongsheng@653
|
1326 "Mercurial uniquely supports <emphasis>both</emphasis> of these scales of "
|
dongsheng@653
|
1327 "development. You can learn the basics in just a few minutes, and due to its "
|
dongsheng@653
|
1328 "low overhead, you can apply revision control to the smallest of projects with "
|
dongsheng@653
|
1329 "ease. Its simplicity means you won't have a lot of abstruse concepts or "
|
dongsheng@653
|
1330 "command sequences competing for mental space with whatever you're "
|
dongsheng@653
|
1331 "<emphasis>really</emphasis> trying to do. At the same time, Mercurial's high "
|
dongsheng@653
|
1332 "performance and peer-to-peer nature let you scale painlessly to handle large "
|
dongsheng@653
|
1333 "projects."
|
dongsheng@653
|
1334 msgstr ""
|
dongsheng@653
|
1335
|
dongsheng@653
|
1336 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1337 #: ../en/ch00-preface.xml:106
|
dongsheng@653
|
1338 msgid ""
|
dongsheng@653
|
1339 "No revision control tool can rescue a poorly run project, but a good choice "
|
dongsheng@653
|
1340 "of tools can make a huge difference to the fluidity with which you can work "
|
dongsheng@653
|
1341 "on a project."
|
dongsheng@653
|
1342 msgstr ""
|
dongsheng@653
|
1343
|
dongsheng@653
|
1344 #. type: Content of: <book><preface><sect1><sect2><title>
|
songdongsheng@667
|
1345 #: ../en/ch00-preface.xml:113
|
dongsheng@653
|
1346 msgid "The many names of revision control"
|
dongsheng@653
|
1347 msgstr "版本控制的别名"
|
dongsheng@653
|
1348
|
dongsheng@653
|
1349 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1350 #: ../en/ch00-preface.xml:115
|
dongsheng@653
|
1351 msgid ""
|
dongsheng@653
|
1352 "Revision control is a diverse field, so much so that it is referred to by "
|
dongsheng@653
|
1353 "many names and acronyms. Here are a few of the more common variations you'll "
|
dongsheng@653
|
1354 "encounter:"
|
dongsheng@653
|
1355 msgstr ""
|
dongsheng@653
|
1356
|
dongsheng@653
|
1357 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
1358 #: ../en/ch00-preface.xml:119
|
dongsheng@653
|
1359 msgid "Revision control (RCS)"
|
dongsheng@653
|
1360 msgstr "版本控制(RCS)"
|
dongsheng@653
|
1361
|
dongsheng@653
|
1362 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
1363 #: ../en/ch00-preface.xml:120
|
dongsheng@653
|
1364 msgid "Software configuration management (SCM), or configuration management"
|
dongsheng@653
|
1365 msgstr "软件配置管理(SCM),或配置管理"
|
dongsheng@653
|
1366
|
dongsheng@653
|
1367 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
1368 #: ../en/ch00-preface.xml:122
|
dongsheng@653
|
1369 msgid "Source code management"
|
dongsheng@653
|
1370 msgstr "源代码管理"
|
dongsheng@653
|
1371
|
dongsheng@653
|
1372 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
1373 #: ../en/ch00-preface.xml:123
|
dongsheng@653
|
1374 msgid "Source code control, or source control"
|
dongsheng@653
|
1375 msgstr "源代码控制,或源控制"
|
dongsheng@653
|
1376
|
dongsheng@653
|
1377 #. type: Content of: <book><preface><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
1378 #: ../en/ch00-preface.xml:125
|
dongsheng@653
|
1379 msgid "Version control (VCS)"
|
dongsheng@653
|
1380 msgstr "版本控制(VCS)"
|
dongsheng@653
|
1381
|
dongsheng@653
|
1382 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1383 #: ../en/ch00-preface.xml:127
|
dongsheng@653
|
1384 msgid ""
|
dongsheng@653
|
1385 "Some people claim that these terms actually have different meanings, but in "
|
dongsheng@653
|
1386 "practice they overlap so much that there's no agreed or even useful way to "
|
dongsheng@653
|
1387 "tease them apart."
|
dongsheng@653
|
1388 msgstr ""
|
dongsheng@653
|
1389
|
dongsheng@653
|
1390 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
1391 #: ../en/ch00-preface.xml:135
|
dongsheng@653
|
1392 msgid "This book is a work in progress"
|
dongsheng@653
|
1393 msgstr "本书正在编写中"
|
dongsheng@653
|
1394
|
dongsheng@653
|
1395 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1396 #: ../en/ch00-preface.xml:137
|
dongsheng@653
|
1397 msgid ""
|
dongsheng@653
|
1398 "I am releasing this book while I am still writing it, in the hope that it "
|
dongsheng@653
|
1399 "will prove useful to others. I am writing under an open license in the hope "
|
dongsheng@653
|
1400 "that you, my readers, will contribute feedback and perhaps content of your "
|
dongsheng@653
|
1401 "own."
|
dongsheng@653
|
1402 msgstr ""
|
dongsheng@653
|
1403
|
dongsheng@653
|
1404 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
1405 #: ../en/ch00-preface.xml:144
|
dongsheng@653
|
1406 msgid "About the examples in this book"
|
dongsheng@653
|
1407 msgstr "本书的例子"
|
dongsheng@653
|
1408
|
dongsheng@653
|
1409 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1410 #: ../en/ch00-preface.xml:146
|
dongsheng@653
|
1411 msgid ""
|
dongsheng@653
|
1412 "This book takes an unusual approach to code samples. Every example is "
|
songdongsheng@668
|
1413 "<quote>live</quote>&emdash;each one is actually the result of a shell script "
|
songdongsheng@668
|
1414 "that executes the Mercurial commands you see. Every time an image of the "
|
songdongsheng@668
|
1415 "book is built from its sources, all the example scripts are automatically "
|
songdongsheng@668
|
1416 "run, and their current results compared against their expected results."
|
dongsheng@653
|
1417 msgstr ""
|
dongsheng@653
|
1418
|
dongsheng@653
|
1419 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1420 #: ../en/ch00-preface.xml:153
|
dongsheng@653
|
1421 msgid ""
|
dongsheng@653
|
1422 "The advantage of this approach is that the examples are always accurate; they "
|
dongsheng@653
|
1423 "describe <emphasis>exactly</emphasis> the behaviour of the version of "
|
dongsheng@653
|
1424 "Mercurial that's mentioned at the front of the book. If I update the version "
|
dongsheng@653
|
1425 "of Mercurial that I'm documenting, and the output of some command changes, "
|
dongsheng@653
|
1426 "the build fails."
|
dongsheng@653
|
1427 msgstr ""
|
dongsheng@653
|
1428
|
dongsheng@653
|
1429 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1430 #: ../en/ch00-preface.xml:160
|
dongsheng@653
|
1431 msgid ""
|
dongsheng@653
|
1432 "There is a small disadvantage to this approach, which is that the dates and "
|
dongsheng@653
|
1433 "times you'll see in examples tend to be <quote>squashed</quote> together in a "
|
dongsheng@653
|
1434 "way that they wouldn't be if the same commands were being typed by a human. "
|
dongsheng@653
|
1435 "Where a human can issue no more than one command every few seconds, with any "
|
dongsheng@653
|
1436 "resulting timestamps correspondingly spread out, my automated example scripts "
|
dongsheng@653
|
1437 "run many commands in one second."
|
dongsheng@653
|
1438 msgstr ""
|
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|
1439
|
dongsheng@653
|
1440 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1441 #: ../en/ch00-preface.xml:168
|
dongsheng@653
|
1442 msgid ""
|
dongsheng@653
|
1443 "As an instance of this, several consecutive commits in an example can show up "
|
dongsheng@653
|
1444 "as having occurred during the same second. You can see this occur in the "
|
songdongsheng@658
|
1445 "<literal role=\"hg-ext\">bisect</literal> example in <xref linkend=\"sec:undo:"
|
songdongsheng@658
|
1446 "bisect\"/>, for instance."
|
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|
1447 msgstr ""
|
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|
1448
|
dongsheng@653
|
1449 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1450 #: ../en/ch00-preface.xml:174
|
dongsheng@653
|
1451 msgid ""
|
dongsheng@653
|
1452 "So when you're reading examples, don't place too much weight on the dates or "
|
dongsheng@653
|
1453 "times you see in the output of commands. But <emphasis>do</emphasis> be "
|
dongsheng@653
|
1454 "confident that the behaviour you're seeing is consistent and reproducible."
|
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|
1455 msgstr ""
|
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|
1456
|
dongsheng@653
|
1457 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
1458 #: ../en/ch00-preface.xml:182
|
dongsheng@653
|
1459 msgid "Trends in the field"
|
dongsheng@653
|
1460 msgstr "版本控制的发展趋势"
|
dongsheng@653
|
1461
|
dongsheng@653
|
1462 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1463 #: ../en/ch00-preface.xml:184
|
dongsheng@653
|
1464 msgid ""
|
dongsheng@653
|
1465 "There has been an unmistakable trend in the development and use of revision "
|
dongsheng@653
|
1466 "control tools over the past four decades, as people have become familiar with "
|
dongsheng@653
|
1467 "the capabilities of their tools and constrained by their limitations."
|
dongsheng@653
|
1468 msgstr ""
|
dongsheng@653
|
1469
|
dongsheng@653
|
1470 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1471 #: ../en/ch00-preface.xml:189
|
dongsheng@653
|
1472 msgid ""
|
dongsheng@653
|
1473 "The first generation began by managing single files on individual computers. "
|
dongsheng@653
|
1474 "Although these tools represented a huge advance over ad-hoc manual revision "
|
dongsheng@653
|
1475 "control, their locking model and reliance on a single computer limited them "
|
dongsheng@653
|
1476 "to small, tightly-knit teams."
|
dongsheng@653
|
1477 msgstr ""
|
dongsheng@653
|
1478
|
dongsheng@653
|
1479 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1480 #: ../en/ch00-preface.xml:195
|
dongsheng@653
|
1481 msgid ""
|
dongsheng@653
|
1482 "The second generation loosened these constraints by moving to network-"
|
dongsheng@653
|
1483 "centered architectures, and managing entire projects at a time. As projects "
|
dongsheng@653
|
1484 "grew larger, they ran into new problems. With clients needing to talk to "
|
dongsheng@653
|
1485 "servers very frequently, server scaling became an issue for large projects. "
|
dongsheng@653
|
1486 "An unreliable network connection could prevent remote users from being able "
|
dongsheng@653
|
1487 "to talk to the server at all. As open source projects started making read-"
|
dongsheng@653
|
1488 "only access available anonymously to anyone, people without commit privileges "
|
dongsheng@653
|
1489 "found that they could not use the tools to interact with a project in a "
|
dongsheng@653
|
1490 "natural way, as they could not record their changes."
|
dongsheng@653
|
1491 msgstr ""
|
dongsheng@653
|
1492
|
dongsheng@653
|
1493 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1494 #: ../en/ch00-preface.xml:207
|
dongsheng@653
|
1495 msgid ""
|
dongsheng@653
|
1496 "The current generation of revision control tools is peer-to-peer in nature. "
|
dongsheng@653
|
1497 "All of these systems have dropped the dependency on a single central server, "
|
dongsheng@653
|
1498 "and allow people to distribute their revision control data to where it's "
|
dongsheng@653
|
1499 "actually needed. Collaboration over the Internet has moved from constrained "
|
dongsheng@653
|
1500 "by technology to a matter of choice and consensus. Modern tools can operate "
|
dongsheng@653
|
1501 "offline indefinitely and autonomously, with a network connection only needed "
|
dongsheng@653
|
1502 "when syncing changes with another repository."
|
dongsheng@653
|
1503 msgstr ""
|
dongsheng@653
|
1504
|
dongsheng@653
|
1505 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
1506 #: ../en/ch00-preface.xml:219
|
dongsheng@653
|
1507 msgid "A few of the advantages of distributed revision control"
|
dongsheng@653
|
1508 msgstr "分布版本控制的优点"
|
dongsheng@653
|
1509
|
dongsheng@653
|
1510 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1511 #: ../en/ch00-preface.xml:222
|
dongsheng@653
|
1512 msgid ""
|
dongsheng@653
|
1513 "Even though distributed revision control tools have for several years been as "
|
dongsheng@653
|
1514 "robust and usable as their previous-generation counterparts, people using "
|
dongsheng@653
|
1515 "older tools have not yet necessarily woken up to their advantages. There are "
|
dongsheng@653
|
1516 "a number of ways in which distributed tools shine relative to centralised "
|
dongsheng@653
|
1517 "ones."
|
dongsheng@653
|
1518 msgstr ""
|
dongsheng@653
|
1519
|
dongsheng@653
|
1520 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1521 #: ../en/ch00-preface.xml:229
|
dongsheng@653
|
1522 msgid ""
|
dongsheng@653
|
1523 "For an individual developer, distributed tools are almost always much faster "
|
dongsheng@653
|
1524 "than centralised tools. This is for a simple reason: a centralised tool "
|
dongsheng@653
|
1525 "needs to talk over the network for many common operations, because most "
|
dongsheng@653
|
1526 "metadata is stored in a single copy on the central server. A distributed "
|
dongsheng@653
|
1527 "tool stores all of its metadata locally. All else being equal, talking over "
|
dongsheng@653
|
1528 "the network adds overhead to a centralised tool. Don't underestimate the "
|
dongsheng@653
|
1529 "value of a snappy, responsive tool: you're going to spend a lot of time "
|
dongsheng@653
|
1530 "interacting with your revision control software."
|
dongsheng@653
|
1531 msgstr ""
|
dongsheng@653
|
1532
|
dongsheng@653
|
1533 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1534 #: ../en/ch00-preface.xml:240
|
dongsheng@653
|
1535 msgid ""
|
dongsheng@653
|
1536 "Distributed tools are indifferent to the vagaries of your server "
|
dongsheng@653
|
1537 "infrastructure, again because they replicate metadata to so many locations. "
|
dongsheng@653
|
1538 "If you use a centralised system and your server catches fire, you'd better "
|
dongsheng@653
|
1539 "hope that your backup media are reliable, and that your last backup was "
|
dongsheng@653
|
1540 "recent and actually worked. With a distributed tool, you have many backups "
|
dongsheng@653
|
1541 "available on every contributor's computer."
|
dongsheng@653
|
1542 msgstr ""
|
dongsheng@653
|
1543
|
dongsheng@653
|
1544 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1545 #: ../en/ch00-preface.xml:248
|
dongsheng@653
|
1546 msgid ""
|
dongsheng@653
|
1547 "The reliability of your network will affect distributed tools far less than "
|
dongsheng@653
|
1548 "it will centralised tools. You can't even use a centralised tool without a "
|
dongsheng@653
|
1549 "network connection, except for a few highly constrained commands. With a "
|
dongsheng@653
|
1550 "distributed tool, if your network connection goes down while you're working, "
|
dongsheng@653
|
1551 "you may not even notice. The only thing you won't be able to do is talk to "
|
dongsheng@653
|
1552 "repositories on other computers, something that is relatively rare compared "
|
dongsheng@653
|
1553 "with local operations. If you have a far-flung team of collaborators, this "
|
dongsheng@653
|
1554 "may be significant."
|
dongsheng@653
|
1555 msgstr ""
|
dongsheng@653
|
1556
|
dongsheng@653
|
1557 #. type: Content of: <book><preface><sect1><sect2><title>
|
songdongsheng@667
|
1558 #: ../en/ch00-preface.xml:259
|
dongsheng@653
|
1559 msgid "Advantages for open source projects"
|
dongsheng@653
|
1560 msgstr "开源项目的优点"
|
dongsheng@653
|
1561
|
dongsheng@653
|
1562 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1563 #: ../en/ch00-preface.xml:261
|
dongsheng@653
|
1564 msgid ""
|
dongsheng@653
|
1565 "If you take a shine to an open source project and decide that you would like "
|
dongsheng@653
|
1566 "to start hacking on it, and that project uses a distributed revision control "
|
dongsheng@653
|
1567 "tool, you are at once a peer with the people who consider themselves the "
|
dongsheng@653
|
1568 "<quote>core</quote> of that project. If they publish their repositories, you "
|
dongsheng@653
|
1569 "can immediately copy their project history, start making changes, and record "
|
dongsheng@653
|
1570 "your work, using the same tools in the same ways as insiders. By contrast, "
|
dongsheng@653
|
1571 "with a centralised tool, you must use the software in a <quote>read only</"
|
dongsheng@653
|
1572 "quote> mode unless someone grants you permission to commit changes to their "
|
dongsheng@653
|
1573 "central server. Until then, you won't be able to record changes, and your "
|
dongsheng@653
|
1574 "local modifications will be at risk of corruption any time you try to update "
|
dongsheng@653
|
1575 "your client's view of the repository."
|
dongsheng@653
|
1576 msgstr ""
|
dongsheng@653
|
1577
|
dongsheng@653
|
1578 #. type: Content of: <book><preface><sect1><sect2><sect3><title>
|
songdongsheng@667
|
1579 #: ../en/ch00-preface.xml:277
|
dongsheng@653
|
1580 msgid "The forking non-problem"
|
dongsheng@660
|
1581 msgstr "分叉不是问题"
|
dongsheng@653
|
1582
|
dongsheng@653
|
1583 #. type: Content of: <book><preface><sect1><sect2><sect3><para>
|
songdongsheng@667
|
1584 #: ../en/ch00-preface.xml:279
|
dongsheng@653
|
1585 msgid ""
|
dongsheng@653
|
1586 "It has been suggested that distributed revision control tools pose some sort "
|
dongsheng@653
|
1587 "of risk to open source projects because they make it easy to <quote>fork</"
|
dongsheng@653
|
1588 "quote> the development of a project. A fork happens when there are "
|
dongsheng@653
|
1589 "differences in opinion or attitude between groups of developers that cause "
|
dongsheng@653
|
1590 "them to decide that they can't work together any longer. Each side takes a "
|
dongsheng@653
|
1591 "more or less complete copy of the project's source code, and goes off in its "
|
dongsheng@653
|
1592 "own direction."
|
dongsheng@653
|
1593 msgstr ""
|
dongsheng@653
|
1594
|
dongsheng@653
|
1595 #. type: Content of: <book><preface><sect1><sect2><sect3><para>
|
songdongsheng@667
|
1596 #: ../en/ch00-preface.xml:289
|
dongsheng@653
|
1597 msgid ""
|
dongsheng@653
|
1598 "Sometimes the camps in a fork decide to reconcile their differences. With a "
|
dongsheng@653
|
1599 "centralised revision control system, the <emphasis>technical</emphasis> "
|
dongsheng@653
|
1600 "process of reconciliation is painful, and has to be performed largely by "
|
dongsheng@653
|
1601 "hand. You have to decide whose revision history is going to <quote>win</"
|
dongsheng@653
|
1602 "quote>, and graft the other team's changes into the tree somehow. This "
|
dongsheng@653
|
1603 "usually loses some or all of one side's revision history."
|
dongsheng@653
|
1604 msgstr ""
|
dongsheng@653
|
1605
|
dongsheng@653
|
1606 #. type: Content of: <book><preface><sect1><sect2><sect3><para>
|
songdongsheng@667
|
1607 #: ../en/ch00-preface.xml:298
|
dongsheng@653
|
1608 msgid ""
|
dongsheng@653
|
1609 "What distributed tools do with respect to forking is they make forking the "
|
dongsheng@653
|
1610 "<emphasis>only</emphasis> way to develop a project. Every single change that "
|
dongsheng@653
|
1611 "you make is potentially a fork point. The great strength of this approach is "
|
dongsheng@653
|
1612 "that a distributed revision control tool has to be really good at "
|
dongsheng@653
|
1613 "<emphasis>merging</emphasis> forks, because forks are absolutely fundamental: "
|
dongsheng@653
|
1614 "they happen all the time."
|
dongsheng@653
|
1615 msgstr ""
|
dongsheng@653
|
1616
|
dongsheng@653
|
1617 #. type: Content of: <book><preface><sect1><sect2><sect3><para>
|
songdongsheng@667
|
1618 #: ../en/ch00-preface.xml:307
|
dongsheng@653
|
1619 msgid ""
|
dongsheng@653
|
1620 "If every piece of work that everybody does, all the time, is framed in terms "
|
dongsheng@653
|
1621 "of forking and merging, then what the open source world refers to as a "
|
dongsheng@653
|
1622 "<quote>fork</quote> becomes <emphasis>purely</emphasis> a social issue. If "
|
dongsheng@653
|
1623 "anything, distributed tools <emphasis>lower</emphasis> the likelihood of a "
|
dongsheng@653
|
1624 "fork:"
|
dongsheng@653
|
1625 msgstr ""
|
dongsheng@653
|
1626
|
dongsheng@653
|
1627 #. type: Content of: <book><preface><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@667
|
1628 #: ../en/ch00-preface.xml:314
|
dongsheng@653
|
1629 msgid ""
|
dongsheng@653
|
1630 "They eliminate the social distinction that centralised tools impose: that "
|
dongsheng@653
|
1631 "between insiders (people with commit access) and outsiders (people without)."
|
dongsheng@653
|
1632 msgstr ""
|
dongsheng@653
|
1633
|
dongsheng@653
|
1634 #. type: Content of: <book><preface><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@667
|
1635 #: ../en/ch00-preface.xml:318
|
dongsheng@653
|
1636 msgid ""
|
dongsheng@653
|
1637 "They make it easier to reconcile after a social fork, because all that's "
|
dongsheng@653
|
1638 "involved from the perspective of the revision control software is just "
|
dongsheng@653
|
1639 "another merge."
|
dongsheng@653
|
1640 msgstr ""
|
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|
1641
|
dongsheng@653
|
1642 #. type: Content of: <book><preface><sect1><sect2><sect3><para>
|
songdongsheng@667
|
1643 #: ../en/ch00-preface.xml:323
|
dongsheng@653
|
1644 msgid ""
|
dongsheng@653
|
1645 "Some people resist distributed tools because they want to retain tight "
|
dongsheng@653
|
1646 "control over their projects, and they believe that centralised tools give "
|
dongsheng@653
|
1647 "them this control. However, if you're of this belief, and you publish your "
|
dongsheng@653
|
1648 "CVS or Subversion repositories publicly, there are plenty of tools available "
|
dongsheng@653
|
1649 "that can pull out your entire project's history (albeit slowly) and recreate "
|
dongsheng@653
|
1650 "it somewhere that you don't control. So while your control in this case is "
|
dongsheng@653
|
1651 "illusory, you are forgoing the ability to fluidly collaborate with whatever "
|
dongsheng@653
|
1652 "people feel compelled to mirror and fork your history."
|
dongsheng@653
|
1653 msgstr ""
|
dongsheng@653
|
1654
|
dongsheng@653
|
1655 #. type: Content of: <book><preface><sect1><sect2><title>
|
songdongsheng@667
|
1656 #: ../en/ch00-preface.xml:338
|
dongsheng@653
|
1657 msgid "Advantages for commercial projects"
|
dongsheng@653
|
1658 msgstr "商业项目的优点"
|
dongsheng@653
|
1659
|
dongsheng@653
|
1660 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1661 #: ../en/ch00-preface.xml:340
|
dongsheng@653
|
1662 msgid ""
|
dongsheng@653
|
1663 "Many commercial projects are undertaken by teams that are scattered across "
|
dongsheng@653
|
1664 "the globe. Contributors who are far from a central server will see slower "
|
dongsheng@653
|
1665 "command execution and perhaps less reliability. Commercial revision control "
|
dongsheng@653
|
1666 "systems attempt to ameliorate these problems with remote-site replication add-"
|
dongsheng@653
|
1667 "ons that are typically expensive to buy and cantankerous to administer. A "
|
dongsheng@653
|
1668 "distributed system doesn't suffer from these problems in the first place. "
|
dongsheng@653
|
1669 "Better yet, you can easily set up multiple authoritative servers, say one per "
|
dongsheng@653
|
1670 "site, so that there's no redundant communication between repositories over "
|
dongsheng@653
|
1671 "expensive long-haul network links."
|
dongsheng@653
|
1672 msgstr ""
|
dongsheng@653
|
1673
|
dongsheng@653
|
1674 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1675 #: ../en/ch00-preface.xml:352
|
dongsheng@653
|
1676 msgid ""
|
dongsheng@653
|
1677 "Centralised revision control systems tend to have relatively low "
|
dongsheng@653
|
1678 "scalability. It's not unusual for an expensive centralised system to fall "
|
dongsheng@653
|
1679 "over under the combined load of just a few dozen concurrent users. Once "
|
dongsheng@653
|
1680 "again, the typical response tends to be an expensive and clunky replication "
|
songdongsheng@668
|
1681 "facility. Since the load on a central server&emdash;if you have one at "
|
songdongsheng@668
|
1682 "all&emdash;is many times lower with a distributed tool (because all of the "
|
songdongsheng@668
|
1683 "data is replicated everywhere), a single cheap server can handle the needs of "
|
songdongsheng@668
|
1684 "a much larger team, and replication to balance load becomes a simple matter "
|
songdongsheng@668
|
1685 "of scripting."
|
dongsheng@653
|
1686 msgstr ""
|
dongsheng@653
|
1687
|
dongsheng@653
|
1688 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1689 #: ../en/ch00-preface.xml:364
|
dongsheng@653
|
1690 msgid ""
|
dongsheng@653
|
1691 "If you have an employee in the field, troubleshooting a problem at a "
|
dongsheng@653
|
1692 "customer's site, they'll benefit from distributed revision control. The tool "
|
dongsheng@653
|
1693 "will let them generate custom builds, try different fixes in isolation from "
|
dongsheng@653
|
1694 "each other, and search efficiently through history for the sources of bugs "
|
dongsheng@653
|
1695 "and regressions in the customer's environment, all without needing to connect "
|
dongsheng@653
|
1696 "to your company's network."
|
dongsheng@653
|
1697 msgstr ""
|
dongsheng@653
|
1698
|
dongsheng@653
|
1699 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
1700 #: ../en/ch00-preface.xml:375
|
dongsheng@653
|
1701 msgid "Why choose Mercurial?"
|
dongsheng@653
|
1702 msgstr "为什么选择 Mercurial?"
|
dongsheng@653
|
1703
|
dongsheng@653
|
1704 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1705 #: ../en/ch00-preface.xml:377
|
dongsheng@653
|
1706 msgid ""
|
dongsheng@653
|
1707 "Mercurial has a unique set of properties that make it a particularly good "
|
dongsheng@653
|
1708 "choice as a revision control system."
|
dongsheng@653
|
1709 msgstr ""
|
dongsheng@653
|
1710
|
dongsheng@653
|
1711 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
1712 #: ../en/ch00-preface.xml:380
|
dongsheng@653
|
1713 msgid "It is easy to learn and use."
|
dongsheng@653
|
1714 msgstr ""
|
dongsheng@653
|
1715
|
dongsheng@653
|
1716 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
dongsheng@653
|
1717 #: ../en/ch00-preface.xml:381
|
songdongsheng@667
|
1718 msgid "It is lightweight."
|
dongsheng@653
|
1719 msgstr ""
|
dongsheng@653
|
1720
|
dongsheng@653
|
1721 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
dongsheng@653
|
1722 #: ../en/ch00-preface.xml:382
|
songdongsheng@667
|
1723 msgid "It scales excellently."
|
songdongsheng@667
|
1724 msgstr ""
|
songdongsheng@667
|
1725
|
songdongsheng@667
|
1726 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
1727 #: ../en/ch00-preface.xml:383
|
dongsheng@653
|
1728 msgid "It is easy to customise."
|
dongsheng@653
|
1729 msgstr ""
|
dongsheng@653
|
1730
|
dongsheng@653
|
1731 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1732 #: ../en/ch00-preface.xml:386
|
dongsheng@653
|
1733 msgid ""
|
dongsheng@653
|
1734 "If you are at all familiar with revision control systems, you should be able "
|
dongsheng@653
|
1735 "to get up and running with Mercurial in less than five minutes. Even if not, "
|
dongsheng@653
|
1736 "it will take no more than a few minutes longer. Mercurial's command and "
|
dongsheng@653
|
1737 "feature sets are generally uniform and consistent, so you can keep track of a "
|
dongsheng@653
|
1738 "few general rules instead of a host of exceptions."
|
dongsheng@653
|
1739 msgstr ""
|
dongsheng@653
|
1740
|
dongsheng@653
|
1741 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1742 #: ../en/ch00-preface.xml:393
|
dongsheng@653
|
1743 msgid ""
|
dongsheng@653
|
1744 "On a small project, you can start working with Mercurial in moments. Creating "
|
dongsheng@653
|
1745 "new changes and branches; transferring changes around (whether locally or "
|
dongsheng@653
|
1746 "over a network); and history and status operations are all fast. Mercurial "
|
dongsheng@653
|
1747 "attempts to stay nimble and largely out of your way by combining low "
|
dongsheng@653
|
1748 "cognitive overhead with blazingly fast operations."
|
dongsheng@653
|
1749 msgstr ""
|
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|
1750
|
dongsheng@653
|
1751 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1752 #: ../en/ch00-preface.xml:400
|
dongsheng@653
|
1753 msgid ""
|
dongsheng@653
|
1754 "The usefulness of Mercurial is not limited to small projects: it is used by "
|
dongsheng@653
|
1755 "projects with hundreds to thousands of contributors, each containing tens of "
|
dongsheng@653
|
1756 "thousands of files and hundreds of megabytes of source code."
|
dongsheng@653
|
1757 msgstr ""
|
dongsheng@653
|
1758
|
dongsheng@653
|
1759 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1760 #: ../en/ch00-preface.xml:405
|
dongsheng@653
|
1761 msgid ""
|
dongsheng@653
|
1762 "If the core functionality of Mercurial is not enough for you, it's easy to "
|
dongsheng@653
|
1763 "build on. Mercurial is well suited to scripting tasks, and its clean "
|
dongsheng@653
|
1764 "internals and implementation in Python make it easy to add features in the "
|
dongsheng@653
|
1765 "form of extensions. There are a number of popular and useful extensions "
|
dongsheng@653
|
1766 "already available, ranging from helping to identify bugs to improving "
|
dongsheng@653
|
1767 "performance."
|
dongsheng@653
|
1768 msgstr ""
|
dongsheng@653
|
1769
|
dongsheng@653
|
1770 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
1771 #: ../en/ch00-preface.xml:415
|
dongsheng@653
|
1772 msgid "Mercurial compared with other tools"
|
dongsheng@653
|
1773 msgstr "Mercurial 与其它工具的比较"
|
dongsheng@653
|
1774
|
dongsheng@653
|
1775 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
1776 #: ../en/ch00-preface.xml:417
|
dongsheng@653
|
1777 msgid ""
|
dongsheng@653
|
1778 "Before you read on, please understand that this section necessarily reflects "
|
dongsheng@653
|
1779 "my own experiences, interests, and (dare I say it) biases. I have used every "
|
dongsheng@653
|
1780 "one of the revision control tools listed below, in most cases for several "
|
dongsheng@653
|
1781 "years at a time."
|
dongsheng@653
|
1782 msgstr ""
|
dongsheng@653
|
1783
|
dongsheng@653
|
1784 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
1785 #: ../en/ch00-preface.xml:425 ../en/ch00-preface.xml:636
|
dongsheng@653
|
1786 msgid "Subversion"
|
dongsheng@653
|
1787 msgstr ""
|
dongsheng@653
|
1788
|
dongsheng@653
|
1789 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1790 #: ../en/ch00-preface.xml:427
|
dongsheng@653
|
1791 msgid ""
|
dongsheng@653
|
1792 "Subversion is a popular revision control tool, developed to replace CVS. It "
|
dongsheng@653
|
1793 "has a centralised client/server architecture."
|
dongsheng@653
|
1794 msgstr ""
|
dongsheng@653
|
1795
|
dongsheng@653
|
1796 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1797 #: ../en/ch00-preface.xml:431
|
dongsheng@653
|
1798 msgid ""
|
dongsheng@653
|
1799 "Subversion and Mercurial have similarly named commands for performing the "
|
dongsheng@653
|
1800 "same operations, so if you're familiar with one, it is easy to learn to use "
|
dongsheng@653
|
1801 "the other. Both tools are portable to all popular operating systems."
|
dongsheng@653
|
1802 msgstr ""
|
dongsheng@653
|
1803
|
dongsheng@653
|
1804 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1805 #: ../en/ch00-preface.xml:436
|
dongsheng@653
|
1806 msgid ""
|
dongsheng@653
|
1807 "Prior to version 1.5, Subversion had no useful support for merges. At the "
|
dongsheng@653
|
1808 "time of writing, its merge tracking capability is new, and known to be <ulink "
|
dongsheng@653
|
1809 "url=\"http://svnbook.red-bean.com/nightly/en/svn.branchmerge.advanced."
|
dongsheng@653
|
1810 "html#svn.branchmerge.advanced.finalword\">complicated and buggy</ulink>."
|
dongsheng@653
|
1811 msgstr ""
|
dongsheng@653
|
1812
|
dongsheng@653
|
1813 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1814 #: ../en/ch00-preface.xml:442
|
dongsheng@653
|
1815 msgid ""
|
dongsheng@653
|
1816 "Mercurial has a substantial performance advantage over Subversion on every "
|
dongsheng@653
|
1817 "revision control operation I have benchmarked. I have measured its advantage "
|
dongsheng@653
|
1818 "as ranging from a factor of two to a factor of six when compared with "
|
dongsheng@653
|
1819 "Subversion 1.4.3's <emphasis>ra_local</emphasis> file store, which is the "
|
dongsheng@653
|
1820 "fastest access method available. In more realistic deployments involving a "
|
dongsheng@653
|
1821 "network-based store, Subversion will be at a substantially larger "
|
dongsheng@653
|
1822 "disadvantage. Because many Subversion commands must talk to the server and "
|
dongsheng@653
|
1823 "Subversion does not have useful replication facilities, server capacity and "
|
dongsheng@653
|
1824 "network bandwidth become bottlenecks for modestly large projects."
|
dongsheng@653
|
1825 msgstr ""
|
dongsheng@653
|
1826
|
dongsheng@653
|
1827 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1828 #: ../en/ch00-preface.xml:455
|
dongsheng@653
|
1829 msgid ""
|
dongsheng@653
|
1830 "Additionally, Subversion incurs substantial storage overhead to avoid network "
|
dongsheng@653
|
1831 "transactions for a few common operations, such as finding modified files "
|
dongsheng@653
|
1832 "(<literal>status</literal>) and displaying modifications against the current "
|
dongsheng@653
|
1833 "revision (<literal>diff</literal>). As a result, a Subversion working copy "
|
dongsheng@653
|
1834 "is often the same size as, or larger than, a Mercurial repository and working "
|
dongsheng@653
|
1835 "directory, even though the Mercurial repository contains a complete history "
|
dongsheng@653
|
1836 "of the project."
|
dongsheng@653
|
1837 msgstr ""
|
dongsheng@653
|
1838
|
dongsheng@653
|
1839 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1840 #: ../en/ch00-preface.xml:465
|
dongsheng@653
|
1841 msgid ""
|
dongsheng@653
|
1842 "Subversion is widely supported by third party tools. Mercurial currently "
|
dongsheng@653
|
1843 "lags considerably in this area. This gap is closing, however, and indeed "
|
dongsheng@653
|
1844 "some of Mercurial's GUI tools now outshine their Subversion equivalents. "
|
dongsheng@653
|
1845 "Like Mercurial, Subversion has an excellent user manual."
|
dongsheng@653
|
1846 msgstr ""
|
dongsheng@653
|
1847
|
dongsheng@653
|
1848 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1849 #: ../en/ch00-preface.xml:471
|
dongsheng@653
|
1850 msgid ""
|
dongsheng@653
|
1851 "Because Subversion doesn't store revision history on the client, it is well "
|
dongsheng@653
|
1852 "suited to managing projects that deal with lots of large, opaque binary "
|
dongsheng@653
|
1853 "files. If you check in fifty revisions to an incompressible 10MB file, "
|
dongsheng@653
|
1854 "Subversion's client-side space usage stays constant The space used by any "
|
dongsheng@653
|
1855 "distributed SCM will grow rapidly in proportion to the number of revisions, "
|
dongsheng@653
|
1856 "because the differences between each revision are large."
|
dongsheng@653
|
1857 msgstr ""
|
dongsheng@653
|
1858
|
dongsheng@653
|
1859 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1860 #: ../en/ch00-preface.xml:480
|
dongsheng@653
|
1861 msgid ""
|
dongsheng@653
|
1862 "In addition, it's often difficult or, more usually, impossible to merge "
|
dongsheng@653
|
1863 "different versions of a binary file. Subversion's ability to let a user lock "
|
dongsheng@653
|
1864 "a file, so that they temporarily have the exclusive right to commit changes "
|
dongsheng@653
|
1865 "to it, can be a significant advantage to a project where binary files are "
|
dongsheng@653
|
1866 "widely used."
|
dongsheng@653
|
1867 msgstr ""
|
dongsheng@653
|
1868
|
dongsheng@653
|
1869 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1870 #: ../en/ch00-preface.xml:487
|
dongsheng@653
|
1871 msgid ""
|
dongsheng@653
|
1872 "Mercurial can import revision history from a Subversion repository. It can "
|
dongsheng@653
|
1873 "also export revision history to a Subversion repository. This makes it easy "
|
dongsheng@653
|
1874 "to <quote>test the waters</quote> and use Mercurial and Subversion in "
|
dongsheng@653
|
1875 "parallel before deciding to switch. History conversion is incremental, so "
|
dongsheng@653
|
1876 "you can perform an initial conversion, then small additional conversions "
|
dongsheng@653
|
1877 "afterwards to bring in new changes."
|
dongsheng@653
|
1878 msgstr ""
|
dongsheng@653
|
1879
|
dongsheng@653
|
1880 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
1881 #: ../en/ch00-preface.xml:499 ../en/ch00-preface.xml:638
|
dongsheng@653
|
1882 msgid "Git"
|
songdongsheng@668
|
1883 msgstr "Git"
|
dongsheng@653
|
1884
|
dongsheng@653
|
1885 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1886 #: ../en/ch00-preface.xml:501
|
dongsheng@653
|
1887 msgid ""
|
dongsheng@653
|
1888 "Git is a distributed revision control tool that was developed for managing "
|
dongsheng@653
|
1889 "the Linux kernel source tree. Like Mercurial, its early design was somewhat "
|
dongsheng@653
|
1890 "influenced by Monotone."
|
dongsheng@653
|
1891 msgstr ""
|
dongsheng@653
|
1892
|
dongsheng@653
|
1893 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1894 #: ../en/ch00-preface.xml:506
|
dongsheng@653
|
1895 msgid ""
|
dongsheng@653
|
1896 "Git has a very large command set, with version 1.5.0 providing 139 individual "
|
dongsheng@653
|
1897 "commands. It has something of a reputation for being difficult to learn. "
|
dongsheng@653
|
1898 "Compared to Git, Mercurial has a strong focus on simplicity."
|
dongsheng@653
|
1899 msgstr ""
|
dongsheng@653
|
1900
|
dongsheng@653
|
1901 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1902 #: ../en/ch00-preface.xml:511
|
dongsheng@653
|
1903 msgid ""
|
dongsheng@653
|
1904 "In terms of performance, Git is extremely fast. In several cases, it is "
|
dongsheng@653
|
1905 "faster than Mercurial, at least on Linux, while Mercurial performs better on "
|
dongsheng@653
|
1906 "other operations. However, on Windows, the performance and general level of "
|
dongsheng@653
|
1907 "support that Git provides is, at the time of writing, far behind that of "
|
dongsheng@653
|
1908 "Mercurial."
|
dongsheng@653
|
1909 msgstr ""
|
dongsheng@653
|
1910
|
dongsheng@653
|
1911 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1912 #: ../en/ch00-preface.xml:518
|
dongsheng@653
|
1913 msgid ""
|
dongsheng@653
|
1914 "While a Mercurial repository needs no maintenance, a Git repository requires "
|
dongsheng@653
|
1915 "frequent manual <quote>repacks</quote> of its metadata. Without these, "
|
dongsheng@653
|
1916 "performance degrades, while space usage grows rapidly. A server that "
|
dongsheng@653
|
1917 "contains many Git repositories that are not rigorously and frequently "
|
dongsheng@653
|
1918 "repacked will become heavily disk-bound during backups, and there have been "
|
dongsheng@653
|
1919 "instances of daily backups taking far longer than 24 hours as a result. A "
|
dongsheng@653
|
1920 "freshly packed Git repository is slightly smaller than a Mercurial "
|
dongsheng@653
|
1921 "repository, but an unpacked repository is several orders of magnitude larger."
|
dongsheng@653
|
1922 msgstr ""
|
dongsheng@653
|
1923
|
dongsheng@653
|
1924 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1925 #: ../en/ch00-preface.xml:529
|
dongsheng@653
|
1926 msgid ""
|
dongsheng@653
|
1927 "The core of Git is written in C. Many Git commands are implemented as shell "
|
dongsheng@653
|
1928 "or Perl scripts, and the quality of these scripts varies widely. I have "
|
dongsheng@653
|
1929 "encountered several instances where scripts charged along blindly in the "
|
dongsheng@653
|
1930 "presence of errors that should have been fatal."
|
dongsheng@653
|
1931 msgstr ""
|
dongsheng@653
|
1932
|
dongsheng@653
|
1933 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1934 #: ../en/ch00-preface.xml:535
|
dongsheng@653
|
1935 msgid "Mercurial can import revision history from a Git repository."
|
dongsheng@653
|
1936 msgstr ""
|
dongsheng@653
|
1937
|
dongsheng@653
|
1938 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
1939 #: ../en/ch00-preface.xml:541 ../en/ch00-preface.xml:637
|
dongsheng@653
|
1940 msgid "CVS"
|
songdongsheng@668
|
1941 msgstr "CVS"
|
dongsheng@653
|
1942
|
dongsheng@653
|
1943 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1944 #: ../en/ch00-preface.xml:543
|
dongsheng@653
|
1945 msgid ""
|
dongsheng@653
|
1946 "CVS is probably the most widely used revision control tool in the world. Due "
|
dongsheng@653
|
1947 "to its age and internal untidiness, it has been only lightly maintained for "
|
dongsheng@653
|
1948 "many years."
|
dongsheng@653
|
1949 msgstr ""
|
dongsheng@653
|
1950
|
dongsheng@653
|
1951 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1952 #: ../en/ch00-preface.xml:547
|
dongsheng@653
|
1953 msgid ""
|
dongsheng@653
|
1954 "It has a centralised client/server architecture. It does not group related "
|
dongsheng@653
|
1955 "file changes into atomic commits, making it easy for people to <quote>break "
|
dongsheng@653
|
1956 "the build</quote>: one person can successfully commit part of a change and "
|
dongsheng@653
|
1957 "then be blocked by the need for a merge, causing other people to see only a "
|
dongsheng@653
|
1958 "portion of the work they intended to do. This also affects how you work with "
|
dongsheng@653
|
1959 "project history. If you want to see all of the modifications someone made as "
|
dongsheng@653
|
1960 "part of a task, you will need to manually inspect the descriptions and "
|
dongsheng@653
|
1961 "timestamps of the changes made to each file involved (if you even know what "
|
dongsheng@653
|
1962 "those files were)."
|
dongsheng@653
|
1963 msgstr ""
|
dongsheng@653
|
1964
|
dongsheng@653
|
1965 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1966 #: ../en/ch00-preface.xml:559
|
dongsheng@653
|
1967 msgid ""
|
dongsheng@653
|
1968 "CVS has a muddled notion of tags and branches that I will not attempt to even "
|
dongsheng@653
|
1969 "describe. It does not support renaming of files or directories well, making "
|
dongsheng@653
|
1970 "it easy to corrupt a repository. It has almost no internal consistency "
|
dongsheng@653
|
1971 "checking capabilities, so it is usually not even possible to tell whether or "
|
dongsheng@653
|
1972 "how a repository is corrupt. I would not recommend CVS for any project, "
|
dongsheng@653
|
1973 "existing or new."
|
dongsheng@653
|
1974 msgstr ""
|
dongsheng@653
|
1975
|
dongsheng@653
|
1976 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1977 #: ../en/ch00-preface.xml:567
|
dongsheng@653
|
1978 msgid ""
|
dongsheng@653
|
1979 "Mercurial can import CVS revision history. However, there are a few caveats "
|
dongsheng@653
|
1980 "that apply; these are true of every other revision control tool's CVS "
|
dongsheng@653
|
1981 "importer, too. Due to CVS's lack of atomic changes and unversioned "
|
dongsheng@653
|
1982 "filesystem hierarchy, it is not possible to reconstruct CVS history "
|
dongsheng@653
|
1983 "completely accurately; some guesswork is involved, and renames will usually "
|
dongsheng@653
|
1984 "not show up. Because a lot of advanced CVS administration has to be done by "
|
dongsheng@653
|
1985 "hand and is hence error-prone, it's common for CVS importers to run into "
|
dongsheng@653
|
1986 "multiple problems with corrupted repositories (completely bogus revision "
|
dongsheng@653
|
1987 "timestamps and files that have remained locked for over a decade are just two "
|
dongsheng@653
|
1988 "of the less interesting problems I can recall from personal experience)."
|
dongsheng@653
|
1989 msgstr ""
|
dongsheng@653
|
1990
|
dongsheng@653
|
1991 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
1992 #: ../en/ch00-preface.xml:581
|
dongsheng@653
|
1993 msgid "Mercurial can import revision history from a CVS repository."
|
dongsheng@653
|
1994 msgstr ""
|
dongsheng@653
|
1995
|
dongsheng@653
|
1996 #. type: Content of: <book><preface><sect1><sect2><title>
|
songdongsheng@667
|
1997 #: ../en/ch00-preface.xml:587
|
dongsheng@653
|
1998 msgid "Commercial tools"
|
dongsheng@653
|
1999 msgstr "商业工具"
|
dongsheng@653
|
2000
|
dongsheng@653
|
2001 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
2002 #: ../en/ch00-preface.xml:589
|
dongsheng@653
|
2003 msgid ""
|
dongsheng@653
|
2004 "Perforce has a centralised client/server architecture, with no client-side "
|
dongsheng@653
|
2005 "caching of any data. Unlike modern revision control tools, Perforce requires "
|
dongsheng@653
|
2006 "that a user run a command to inform the server about every file they intend "
|
dongsheng@653
|
2007 "to edit."
|
dongsheng@653
|
2008 msgstr ""
|
dongsheng@653
|
2009
|
dongsheng@653
|
2010 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
2011 #: ../en/ch00-preface.xml:595
|
dongsheng@653
|
2012 msgid ""
|
dongsheng@653
|
2013 "The performance of Perforce is quite good for small teams, but it falls off "
|
dongsheng@653
|
2014 "rapidly as the number of users grows beyond a few dozen. Modestly large "
|
dongsheng@653
|
2015 "Perforce installations require the deployment of proxies to cope with the "
|
dongsheng@653
|
2016 "load their users generate."
|
dongsheng@653
|
2017 msgstr ""
|
dongsheng@653
|
2018
|
dongsheng@653
|
2019 #. type: Content of: <book><preface><sect1><sect2><title>
|
songdongsheng@667
|
2020 #: ../en/ch00-preface.xml:604
|
dongsheng@653
|
2021 msgid "Choosing a revision control tool"
|
dongsheng@653
|
2022 msgstr "选择版本控制工具"
|
dongsheng@653
|
2023
|
dongsheng@653
|
2024 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
2025 #: ../en/ch00-preface.xml:606
|
dongsheng@653
|
2026 msgid ""
|
dongsheng@653
|
2027 "With the exception of CVS, all of the tools listed above have unique "
|
dongsheng@653
|
2028 "strengths that suit them to particular styles of work. There is no single "
|
dongsheng@653
|
2029 "revision control tool that is best in all situations."
|
dongsheng@653
|
2030 msgstr ""
|
dongsheng@653
|
2031
|
dongsheng@653
|
2032 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
2033 #: ../en/ch00-preface.xml:611
|
dongsheng@653
|
2034 msgid ""
|
dongsheng@653
|
2035 "As an example, Subversion is a good choice for working with frequently edited "
|
dongsheng@653
|
2036 "binary files, due to its centralised nature and support for file locking."
|
dongsheng@653
|
2037 msgstr ""
|
dongsheng@653
|
2038
|
dongsheng@653
|
2039 #. type: Content of: <book><preface><sect1><sect2><para>
|
songdongsheng@667
|
2040 #: ../en/ch00-preface.xml:615
|
dongsheng@653
|
2041 msgid ""
|
dongsheng@653
|
2042 "I personally find Mercurial's properties of simplicity, performance, and good "
|
dongsheng@653
|
2043 "merge support to be a compelling combination that has served me well for "
|
dongsheng@653
|
2044 "several years."
|
dongsheng@653
|
2045 msgstr ""
|
dongsheng@653
|
2046
|
dongsheng@653
|
2047 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
2048 #: ../en/ch00-preface.xml:623
|
dongsheng@653
|
2049 msgid "Switching from another tool to Mercurial"
|
dongsheng@653
|
2050 msgstr "从其它工具切换到 Mercurial"
|
dongsheng@653
|
2051
|
dongsheng@653
|
2052 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2053 #: ../en/ch00-preface.xml:625
|
dongsheng@653
|
2054 msgid ""
|
dongsheng@653
|
2055 "Mercurial is bundled with an extension named <literal role=\"hg-ext"
|
dongsheng@653
|
2056 "\">convert</literal>, which can incrementally import revision history from "
|
dongsheng@653
|
2057 "several other revision control tools. By <quote>incremental</quote>, I mean "
|
dongsheng@653
|
2058 "that you can convert all of a project's history to date in one go, then rerun "
|
dongsheng@653
|
2059 "the conversion later to obtain new changes that happened after the initial "
|
dongsheng@653
|
2060 "conversion."
|
dongsheng@653
|
2061 msgstr ""
|
dongsheng@653
|
2062
|
dongsheng@653
|
2063 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2064 #: ../en/ch00-preface.xml:633
|
dongsheng@653
|
2065 msgid ""
|
dongsheng@653
|
2066 "The revision control tools supported by <literal role=\"hg-ext\">convert</"
|
dongsheng@653
|
2067 "literal> are as follows:"
|
dongsheng@653
|
2068 msgstr "<literal role=\"hg-ext\">convert</literal> 支持的版本控制工具有:"
|
dongsheng@653
|
2069
|
dongsheng@653
|
2070 #. type: Content of: <book><preface><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2071 #: ../en/ch00-preface.xml:639
|
dongsheng@653
|
2072 msgid "Darcs"
|
songdongsheng@668
|
2073 msgstr "Darcs"
|
dongsheng@653
|
2074
|
dongsheng@653
|
2075 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2076 #: ../en/ch00-preface.xml:641
|
dongsheng@653
|
2077 msgid ""
|
dongsheng@653
|
2078 "In addition, <literal role=\"hg-ext\">convert</literal> can export changes "
|
dongsheng@653
|
2079 "from Mercurial to Subversion. This makes it possible to try Subversion and "
|
dongsheng@653
|
2080 "Mercurial in parallel before committing to a switchover, without risking the "
|
dongsheng@653
|
2081 "loss of any work."
|
dongsheng@653
|
2082 msgstr ""
|
dongsheng@653
|
2083
|
dongsheng@653
|
2084 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2085 #: ../en/ch00-preface.xml:647
|
dongsheng@653
|
2086 msgid ""
|
dongsheng@653
|
2087 "The <command role=\"hg-ext-convert\">convert</command> command is easy to "
|
dongsheng@653
|
2088 "use. Simply point it at the path or URL of the source repository, optionally "
|
dongsheng@653
|
2089 "give it the name of the destination repository, and it will start working. "
|
dongsheng@653
|
2090 "After the initial conversion, just run the same command again to import new "
|
dongsheng@653
|
2091 "changes."
|
dongsheng@653
|
2092 msgstr ""
|
dongsheng@653
|
2093
|
dongsheng@653
|
2094 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
2095 #: ../en/ch00-preface.xml:656
|
dongsheng@653
|
2096 msgid "A short history of revision control"
|
dongsheng@653
|
2097 msgstr "版本控制简史"
|
dongsheng@653
|
2098
|
dongsheng@653
|
2099 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2100 #: ../en/ch00-preface.xml:658
|
dongsheng@653
|
2101 msgid ""
|
dongsheng@653
|
2102 "The best known of the old-time revision control tools is SCCS (Source Code "
|
dongsheng@653
|
2103 "Control System), which Marc Rochkind wrote at Bell Labs, in the early 1970s. "
|
dongsheng@653
|
2104 "SCCS operated on individual files, and required every person working on a "
|
dongsheng@653
|
2105 "project to have access to a shared workspace on a single system. Only one "
|
dongsheng@653
|
2106 "person could modify a file at any time; arbitration for access to files was "
|
dongsheng@653
|
2107 "via locks. It was common for people to lock files, and later forget to "
|
dongsheng@653
|
2108 "unlock them, preventing anyone else from modifying those files without the "
|
dongsheng@653
|
2109 "help of an administrator."
|
dongsheng@653
|
2110 msgstr ""
|
dongsheng@653
|
2111
|
dongsheng@653
|
2112 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2113 #: ../en/ch00-preface.xml:669
|
dongsheng@653
|
2114 msgid ""
|
dongsheng@653
|
2115 "Walter Tichy developed a free alternative to SCCS in the early 1980s; he "
|
dongsheng@653
|
2116 "called his program RCS (Revision Control System). Like SCCS, RCS required "
|
dongsheng@653
|
2117 "developers to work in a single shared workspace, and to lock files to prevent "
|
dongsheng@653
|
2118 "multiple people from modifying them simultaneously."
|
dongsheng@653
|
2119 msgstr ""
|
dongsheng@653
|
2120
|
dongsheng@653
|
2121 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2122 #: ../en/ch00-preface.xml:675
|
dongsheng@653
|
2123 msgid ""
|
dongsheng@653
|
2124 "Later in the 1980s, Dick Grune used RCS as a building block for a set of "
|
dongsheng@653
|
2125 "shell scripts he initially called cmt, but then renamed to CVS (Concurrent "
|
dongsheng@653
|
2126 "Versions System). The big innovation of CVS was that it let developers work "
|
dongsheng@653
|
2127 "simultaneously and somewhat independently in their own personal workspaces. "
|
dongsheng@653
|
2128 "The personal workspaces prevented developers from stepping on each other's "
|
dongsheng@653
|
2129 "toes all the time, as was common with SCCS and RCS. Each developer had a copy "
|
dongsheng@653
|
2130 "of every project file, and could modify their copies independently. They had "
|
dongsheng@653
|
2131 "to merge their edits prior to committing changes to the central repository."
|
dongsheng@653
|
2132 msgstr ""
|
dongsheng@653
|
2133
|
dongsheng@653
|
2134 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2135 #: ../en/ch00-preface.xml:686
|
dongsheng@653
|
2136 msgid ""
|
dongsheng@653
|
2137 "Brian Berliner took Grune's original scripts and rewrote them in C, releasing "
|
dongsheng@653
|
2138 "in 1989 the code that has since developed into the modern version of CVS. "
|
dongsheng@653
|
2139 "CVS subsequently acquired the ability to operate over a network connection, "
|
dongsheng@653
|
2140 "giving it a client/server architecture. CVS's architecture is centralised; "
|
dongsheng@653
|
2141 "only the server has a copy of the history of the project. Client workspaces "
|
dongsheng@653
|
2142 "just contain copies of recent versions of the project's files, and a little "
|
dongsheng@653
|
2143 "metadata to tell them where the server is. CVS has been enormously "
|
dongsheng@653
|
2144 "successful; it is probably the world's most widely used revision control "
|
dongsheng@653
|
2145 "system."
|
dongsheng@653
|
2146 msgstr ""
|
dongsheng@653
|
2147
|
dongsheng@653
|
2148 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2149 #: ../en/ch00-preface.xml:697
|
dongsheng@653
|
2150 msgid ""
|
dongsheng@653
|
2151 "In the early 1990s, Sun Microsystems developed an early distributed revision "
|
dongsheng@653
|
2152 "control system, called TeamWare. A TeamWare workspace contains a complete "
|
dongsheng@653
|
2153 "copy of the project's history. TeamWare has no notion of a central "
|
dongsheng@653
|
2154 "repository. (CVS relied upon RCS for its history storage; TeamWare used "
|
dongsheng@653
|
2155 "SCCS.)"
|
dongsheng@653
|
2156 msgstr ""
|
dongsheng@653
|
2157
|
dongsheng@653
|
2158 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2159 #: ../en/ch00-preface.xml:704
|
dongsheng@653
|
2160 msgid ""
|
dongsheng@653
|
2161 "As the 1990s progressed, awareness grew of a number of problems with CVS. It "
|
dongsheng@653
|
2162 "records simultaneous changes to multiple files individually, instead of "
|
dongsheng@653
|
2163 "grouping them together as a single logically atomic operation. It does not "
|
dongsheng@653
|
2164 "manage its file hierarchy well; it is easy to make a mess of a repository by "
|
dongsheng@653
|
2165 "renaming files and directories. Worse, its source code is difficult to read "
|
dongsheng@653
|
2166 "and maintain, which made the <quote>pain level</quote> of fixing these "
|
dongsheng@653
|
2167 "architectural problems prohibitive."
|
dongsheng@653
|
2168 msgstr ""
|
dongsheng@653
|
2169
|
dongsheng@653
|
2170 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2171 #: ../en/ch00-preface.xml:714
|
dongsheng@653
|
2172 msgid ""
|
dongsheng@653
|
2173 "In 2001, Jim Blandy and Karl Fogel, two developers who had worked on CVS, "
|
dongsheng@653
|
2174 "started a project to replace it with a tool that would have a better "
|
dongsheng@653
|
2175 "architecture and cleaner code. The result, Subversion, does not stray from "
|
dongsheng@653
|
2176 "CVS's centralised client/server model, but it adds multi-file atomic commits, "
|
dongsheng@653
|
2177 "better namespace management, and a number of other features that make it a "
|
dongsheng@653
|
2178 "generally better tool than CVS. Since its initial release, it has rapidly "
|
dongsheng@653
|
2179 "grown in popularity."
|
dongsheng@653
|
2180 msgstr ""
|
dongsheng@653
|
2181
|
dongsheng@653
|
2182 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2183 #: ../en/ch00-preface.xml:723
|
dongsheng@653
|
2184 msgid ""
|
dongsheng@653
|
2185 "More or less simultaneously, Graydon Hoare began working on an ambitious "
|
dongsheng@653
|
2186 "distributed revision control system that he named Monotone. While Monotone "
|
dongsheng@653
|
2187 "addresses many of CVS's design flaws and has a peer-to-peer architecture, it "
|
dongsheng@653
|
2188 "goes beyond earlier (and subsequent) revision control tools in a number of "
|
dongsheng@653
|
2189 "innovative ways. It uses cryptographic hashes as identifiers, and has an "
|
dongsheng@653
|
2190 "integral notion of <quote>trust</quote> for code from different sources."
|
dongsheng@653
|
2191 msgstr ""
|
dongsheng@653
|
2192
|
dongsheng@653
|
2193 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2194 #: ../en/ch00-preface.xml:732
|
dongsheng@653
|
2195 msgid ""
|
dongsheng@653
|
2196 "Mercurial began life in 2005. While a few aspects of its design are "
|
dongsheng@653
|
2197 "influenced by Monotone, Mercurial focuses on ease of use, high performance, "
|
dongsheng@653
|
2198 "and scalability to very large projects."
|
dongsheng@653
|
2199 msgstr ""
|
dongsheng@653
|
2200
|
dongsheng@653
|
2201 #. type: Content of: <book><preface><sect1><title>
|
songdongsheng@667
|
2202 #: ../en/ch00-preface.xml:740
|
songdongsheng@668
|
2203 msgid "Colophon&emdash;this book is Free"
|
dongsheng@661
|
2204 msgstr "后记—本书是自由的!"
|
dongsheng@653
|
2205
|
dongsheng@653
|
2206 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2207 #: ../en/ch00-preface.xml:742
|
dongsheng@653
|
2208 msgid ""
|
dongsheng@653
|
2209 "This book is licensed under the Open Publication License, and is produced "
|
dongsheng@653
|
2210 "entirely using Free Software tools. It is typeset with DocBook XML. "
|
dongsheng@653
|
2211 "Illustrations are drawn and rendered with <ulink url=\"http://www.inkscape."
|
dongsheng@653
|
2212 "org/\">Inkscape</ulink>."
|
dongsheng@653
|
2213 msgstr ""
|
dongsheng@653
|
2214
|
dongsheng@653
|
2215 #. type: Content of: <book><preface><sect1><para>
|
songdongsheng@667
|
2216 #: ../en/ch00-preface.xml:747
|
dongsheng@653
|
2217 msgid ""
|
dongsheng@653
|
2218 "The complete source code for this book is published as a Mercurial "
|
dongsheng@653
|
2219 "repository, at <ulink url=\"http://hg.serpentine.com/mercurial/book\">http://"
|
dongsheng@653
|
2220 "hg.serpentine.com/mercurial/book</ulink>."
|
dongsheng@653
|
2221 msgstr ""
|
dongsheng@653
|
2222
|
dongsheng@627
|
2223 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
2224 #: ../en/ch01-tour-basic.xml:5
|
dongsheng@627
|
2225 msgid "A tour of Mercurial: the basics"
|
dongsheng@627
|
2226 msgstr "Mercurial 教程: 基础知识"
|
dongsheng@627
|
2227
|
dongsheng@627
|
2228 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
2229 #: ../en/ch01-tour-basic.xml:8
|
dongsheng@627
|
2230 msgid "Installing Mercurial on your system"
|
dongsheng@627
|
2231 msgstr "安装 Mercurial"
|
dongsheng@627
|
2232
|
dongsheng@627
|
2233 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
2234 #: ../en/ch01-tour-basic.xml:10
|
dongsheng@627
|
2235 msgid ""
|
dongsheng@627
|
2236 "Prebuilt binary packages of Mercurial are available for every popular "
|
dongsheng@627
|
2237 "operating system. These make it easy to start using Mercurial on your "
|
dongsheng@627
|
2238 "computer immediately."
|
dongsheng@627
|
2239 msgstr ""
|
dongsheng@644
|
2240 "对于每种流行的操作系统,都有已经构建的二进制软件包。这让在你的计算机上开始使"
|
dongsheng@644
|
2241 "用 Mercurial 变得很容易。"
|
dongsheng@627
|
2242
|
dongsheng@627
|
2243 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
2244 #: ../en/ch01-tour-basic.xml:15
|
songdongsheng@667
|
2245 msgid "Windows"
|
songdongsheng@668
|
2246 msgstr "Windows"
|
songdongsheng@667
|
2247
|
songdongsheng@667
|
2248 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2249 #: ../en/ch01-tour-basic.xml:17
|
songdongsheng@667
|
2250 msgid ""
|
songdongsheng@667
|
2251 "The best version of Mercurial for Windows is TortoiseHg, which can be found "
|
songdongsheng@667
|
2252 "at <ulink url=\"http://bitbucket.org/tortoisehg/stable/wiki/Home\">http://"
|
songdongsheng@667
|
2253 "bitbucket.org/tortoisehg/stable/wiki/Home</ulink>. This package has no "
|
songdongsheng@667
|
2254 "external dependencies; it <quote>just works</quote>. It provides both "
|
songdongsheng@667
|
2255 "command line and graphical user interfaces."
|
songdongsheng@667
|
2256 msgstr ""
|
songdongsheng@667
|
2257
|
songdongsheng@667
|
2258 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2259 #: ../en/ch01-tour-basic.xml:27
|
songdongsheng@667
|
2260 msgid "Mac OS X"
|
songdongsheng@667
|
2261 msgstr "Mac OS X"
|
songdongsheng@667
|
2262
|
songdongsheng@667
|
2263 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2264 #: ../en/ch01-tour-basic.xml:29
|
songdongsheng@667
|
2265 msgid ""
|
songdongsheng@667
|
2266 "Lee Cantey publishes an installer of Mercurial for Mac OS X at <ulink url="
|
songdongsheng@667
|
2267 "\"http://mercurial.berkwood.com\">http://mercurial.berkwood.com</ulink>."
|
songdongsheng@667
|
2268 msgstr ""
|
songdongsheng@667
|
2269
|
songdongsheng@667
|
2270 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2271 #: ../en/ch01-tour-basic.xml:35
|
dongsheng@627
|
2272 msgid "Linux"
|
dongsheng@644
|
2273 msgstr "Linux"
|
dongsheng@627
|
2274
|
dongsheng@627
|
2275 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2276 #: ../en/ch01-tour-basic.xml:37
|
dongsheng@627
|
2277 msgid ""
|
dongsheng@627
|
2278 "Because each Linux distribution has its own packaging tools, policies, and "
|
dongsheng@627
|
2279 "rate of development, it's difficult to give a comprehensive set of "
|
dongsheng@627
|
2280 "instructions on how to install Mercurial binaries. The version of Mercurial "
|
dongsheng@627
|
2281 "that you will end up with can vary depending on how active the person is who "
|
dongsheng@627
|
2282 "maintains the package for your distribution."
|
dongsheng@627
|
2283 msgstr ""
|
dongsheng@644
|
2284 "由于每种 Linux 发行版都有自己的包管理工具,开发策略和进度,从而很难给出安装 "
|
dongsheng@644
|
2285 "Mercurial 二进制包的全面说明。你安装的 Mercurial 版本,在很大程度上依赖于你所"
|
dongsheng@644
|
2286 "使用的发行版的 Mercurial 维护者的活跃程度。"
|
dongsheng@627
|
2287
|
dongsheng@627
|
2288 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2289 #: ../en/ch01-tour-basic.xml:44
|
dongsheng@627
|
2290 msgid ""
|
dongsheng@627
|
2291 "To keep things simple, I will focus on installing Mercurial from the command "
|
dongsheng@627
|
2292 "line under the most popular Linux distributions. Most of these distributions "
|
dongsheng@627
|
2293 "provide graphical package managers that will let you install Mercurial with a "
|
dongsheng@627
|
2294 "single click; the package name to look for is <literal>mercurial</literal>."
|
dongsheng@627
|
2295 msgstr ""
|
dongsheng@644
|
2296 "为了让事情简单,我会致力于说明在最流行的 Linux 发行版中,从命令行安装 "
|
dongsheng@644
|
2297 "Mercurial 的方法。这些发行版都提供了图形界面的包管理器,让你通过点击鼠标安装 "
|
dongsheng@644
|
2298 "Mercurial;寻找的包名称是 <literal>mercurial</literal>。"
|
dongsheng@627
|
2299
|
dongsheng@627
|
2300 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
2301 #: ../en/ch01-tour-basic.xml:52
|
songdongsheng@667
|
2302 msgid "Ubuntu and Debian:"
|
songdongsheng@668
|
2303 msgstr "Ubuntu 与 Debian:"
|
dongsheng@627
|
2304
|
dongsheng@627
|
2305 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
2306 #: ../en/ch01-tour-basic.xml:54
|
songdongsheng@667
|
2307 msgid "Fedora and OpenSUSE:"
|
songdongsheng@668
|
2308 msgstr "Fedora and OpenSUSE:"
|
dongsheng@627
|
2309
|
dongsheng@627
|
2310 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
2311 #: ../en/ch01-tour-basic.xml:56
|
dongsheng@627
|
2312 msgid "Gentoo:"
|
dongsheng@644
|
2313 msgstr "Gentoo:"
|
dongsheng@627
|
2314
|
dongsheng@646
|
2315 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2316 #: ../en/ch01-tour-basic.xml:62
|
dongsheng@627
|
2317 msgid "Solaris"
|
dongsheng@646
|
2318 msgstr "Solaris"
|
dongsheng@646
|
2319
|
dongsheng@646
|
2320 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2321 #: ../en/ch01-tour-basic.xml:64
|
dongsheng@627
|
2322 msgid ""
|
dongsheng@627
|
2323 "SunFreeWare, at <ulink url=\"http://www.sunfreeware.com\">http://www."
|
songdongsheng@667
|
2324 "sunfreeware.com</ulink>, provides prebuilt packages of Mercurial."
|
dongsheng@627
|
2325 msgstr ""
|
dongsheng@646
|
2326 "位于 <ulink url=\"http://www.sunfreeware.com\">http://www.sunfreeware.com</"
|
songdongsheng@668
|
2327 "ulink> 的 SunFreeWare 提供了 Mercurial 的二进制安装包。"
|
dongsheng@646
|
2328
|
dongsheng@627
|
2329 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2330 #: ../en/ch01-tour-basic.xml:73
|
dongsheng@627
|
2331 msgid "Getting started"
|
dongsheng@627
|
2332 msgstr "开始"
|
dongsheng@627
|
2333
|
dongsheng@627
|
2334 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2335 #: ../en/ch01-tour-basic.xml:75
|
dongsheng@627
|
2336 msgid ""
|
dongsheng@627
|
2337 "To begin, we'll use the <command role=\"hg-cmd\">hg version</command> command "
|
dongsheng@627
|
2338 "to find out whether Mercurial is actually installed properly. The actual "
|
dongsheng@627
|
2339 "version information that it prints isn't so important; it's whether it prints "
|
dongsheng@627
|
2340 "anything at all that we care about."
|
dongsheng@627
|
2341 msgstr ""
|
dongsheng@627
|
2342
|
dongsheng@627
|
2343 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2344 #: ../en/ch01-tour-basic.xml:84
|
dongsheng@627
|
2345 msgid "Built-in help"
|
dongsheng@627
|
2346 msgstr "内置帮助"
|
dongsheng@627
|
2347
|
dongsheng@627
|
2348 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2349 #: ../en/ch01-tour-basic.xml:86
|
dongsheng@627
|
2350 msgid ""
|
dongsheng@627
|
2351 "Mercurial provides a built-in help system. This is invaluable for those "
|
dongsheng@627
|
2352 "times when you find yourself stuck trying to remember how to run a command. "
|
dongsheng@627
|
2353 "If you are completely stuck, simply run <command role=\"hg-cmd\">hg help</"
|
dongsheng@627
|
2354 "command>; it will print a brief list of commands, along with a description of "
|
dongsheng@627
|
2355 "what each does. If you ask for help on a specific command (as below), it "
|
dongsheng@627
|
2356 "prints more detailed information."
|
dongsheng@627
|
2357 msgstr ""
|
dongsheng@627
|
2358
|
dongsheng@627
|
2359 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2360 #: ../en/ch01-tour-basic.xml:97
|
dongsheng@627
|
2361 msgid ""
|
dongsheng@627
|
2362 "For a more impressive level of detail (which you won't usually need) run "
|
dongsheng@627
|
2363 "<command role=\"hg-cmd\">hg help <option role=\"hg-opt-global\">-v</option></"
|
dongsheng@627
|
2364 "command>. The <option role=\"hg-opt-global\">-v</option> option is short for "
|
dongsheng@627
|
2365 "<option role=\"hg-opt-global\">--verbose</option>, and tells Mercurial to "
|
dongsheng@627
|
2366 "print more information than it usually would."
|
dongsheng@627
|
2367 msgstr ""
|
dongsheng@627
|
2368
|
dongsheng@627
|
2369 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2370 #: ../en/ch01-tour-basic.xml:108
|
dongsheng@627
|
2371 msgid "Working with a repository"
|
dongsheng@627
|
2372 msgstr "使用版本库"
|
dongsheng@627
|
2373
|
dongsheng@627
|
2374 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2375 #: ../en/ch01-tour-basic.xml:110
|
dongsheng@627
|
2376 msgid ""
|
dongsheng@627
|
2377 "In Mercurial, everything happens inside a <emphasis>repository</emphasis>. "
|
dongsheng@627
|
2378 "The repository for a project contains all of the files that <quote>belong to</"
|
dongsheng@627
|
2379 "quote> that project, along with a historical record of the project's files."
|
dongsheng@627
|
2380 msgstr ""
|
dongsheng@627
|
2381
|
dongsheng@627
|
2382 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2383 #: ../en/ch01-tour-basic.xml:116
|
dongsheng@627
|
2384 msgid ""
|
dongsheng@627
|
2385 "There's nothing particularly magical about a repository; it is simply a "
|
dongsheng@627
|
2386 "directory tree in your filesystem that Mercurial treats as special. You can "
|
dongsheng@627
|
2387 "rename or delete a repository any time you like, using either the command "
|
dongsheng@627
|
2388 "line or your file browser."
|
dongsheng@627
|
2389 msgstr ""
|
dongsheng@627
|
2390
|
dongsheng@627
|
2391 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2392 #: ../en/ch01-tour-basic.xml:123
|
dongsheng@627
|
2393 msgid "Making a local copy of a repository"
|
dongsheng@627
|
2394 msgstr "创建版本库的工作副本"
|
dongsheng@627
|
2395
|
dongsheng@627
|
2396 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2397 #: ../en/ch01-tour-basic.xml:125
|
dongsheng@627
|
2398 msgid ""
|
dongsheng@627
|
2399 "<emphasis>Copying</emphasis> a repository is just a little bit special. "
|
dongsheng@627
|
2400 "While you could use a normal file copying command to make a copy of a "
|
dongsheng@627
|
2401 "repository, it's best to use a built-in command that Mercurial provides. "
|
dongsheng@627
|
2402 "This command is called <command role=\"hg-cmd\">hg clone</command>, because "
|
songdongsheng@667
|
2403 "it makes an identical copy of an existing repository."
|
songdongsheng@667
|
2404 msgstr ""
|
songdongsheng@667
|
2405
|
songdongsheng@667
|
2406 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2407 #: ../en/ch01-tour-basic.xml:134
|
songdongsheng@667
|
2408 msgid ""
|
songdongsheng@667
|
2409 "One advantage of using <command role=\"hg-cmd\">hg clone</command> is that, "
|
songdongsheng@667
|
2410 "as we can see above, it lets us clone repositories over the network. Another "
|
songdongsheng@667
|
2411 "is that it remembers where we cloned from, which we'll find useful soon when "
|
songdongsheng@667
|
2412 "we want to fetch new changes from another repository."
|
songdongsheng@667
|
2413 msgstr ""
|
songdongsheng@667
|
2414
|
songdongsheng@667
|
2415 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2416 #: ../en/ch01-tour-basic.xml:140
|
dongsheng@627
|
2417 msgid ""
|
dongsheng@627
|
2418 "If our clone succeeded, we should now have a local directory called <filename "
|
dongsheng@627
|
2419 "class=\"directory\">hello</filename>. This directory will contain some files."
|
dongsheng@627
|
2420 msgstr ""
|
dongsheng@627
|
2421
|
dongsheng@627
|
2422 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2423 #: ../en/ch01-tour-basic.xml:146
|
dongsheng@627
|
2424 msgid ""
|
dongsheng@627
|
2425 "These files have the same contents and history in our repository as they do "
|
dongsheng@627
|
2426 "in the repository we cloned."
|
dongsheng@627
|
2427 msgstr ""
|
dongsheng@627
|
2428
|
dongsheng@627
|
2429 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2430 #: ../en/ch01-tour-basic.xml:149
|
dongsheng@627
|
2431 msgid ""
|
dongsheng@627
|
2432 "Every Mercurial repository is complete, self-contained, and independent. It "
|
songdongsheng@667
|
2433 "contains its own private copy of a project's files and history. As we just "
|
songdongsheng@667
|
2434 "mentioned, a cloned repository remembers the location of the repository it "
|
songdongsheng@667
|
2435 "was cloned from, but Mercurial will not communicate with that repository, or "
|
songdongsheng@667
|
2436 "any other, unless you tell it to."
|
songdongsheng@667
|
2437 msgstr ""
|
songdongsheng@667
|
2438
|
songdongsheng@667
|
2439 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2440 #: ../en/ch01-tour-basic.xml:156
|
dongsheng@627
|
2441 msgid ""
|
dongsheng@627
|
2442 "What this means for now is that we're free to experiment with our repository, "
|
dongsheng@627
|
2443 "safe in the knowledge that it's a private <quote>sandbox</quote> that won't "
|
dongsheng@627
|
2444 "affect anyone else."
|
dongsheng@627
|
2445 msgstr ""
|
dongsheng@627
|
2446
|
dongsheng@627
|
2447 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2448 #: ../en/ch01-tour-basic.xml:162
|
dongsheng@627
|
2449 msgid "What's in a repository?"
|
dongsheng@627
|
2450 msgstr "什么是版本库?"
|
dongsheng@627
|
2451
|
dongsheng@627
|
2452 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2453 #: ../en/ch01-tour-basic.xml:164
|
dongsheng@627
|
2454 msgid ""
|
dongsheng@627
|
2455 "When we take a more detailed look inside a repository, we can see that it "
|
dongsheng@627
|
2456 "contains a directory named <filename class=\"directory\">.hg</filename>. "
|
dongsheng@627
|
2457 "This is where Mercurial keeps all of its metadata for the repository."
|
dongsheng@627
|
2458 msgstr ""
|
dongsheng@627
|
2459
|
dongsheng@627
|
2460 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2461 #: ../en/ch01-tour-basic.xml:171
|
dongsheng@627
|
2462 msgid ""
|
dongsheng@627
|
2463 "The contents of the <filename class=\"directory\">.hg</filename> directory "
|
dongsheng@627
|
2464 "and its subdirectories are private to Mercurial. Every other file and "
|
dongsheng@627
|
2465 "directory in the repository is yours to do with as you please."
|
dongsheng@627
|
2466 msgstr ""
|
dongsheng@627
|
2467
|
dongsheng@627
|
2468 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2469 #: ../en/ch01-tour-basic.xml:177
|
dongsheng@627
|
2470 msgid ""
|
dongsheng@627
|
2471 "To introduce a little terminology, the <filename class=\"directory\">.hg</"
|
dongsheng@627
|
2472 "filename> directory is the <quote>real</quote> repository, and all of the "
|
dongsheng@627
|
2473 "files and directories that coexist with it are said to live in the "
|
dongsheng@627
|
2474 "<emphasis>working directory</emphasis>. An easy way to remember the "
|
dongsheng@627
|
2475 "distinction is that the <emphasis>repository</emphasis> contains the "
|
dongsheng@627
|
2476 "<emphasis>history</emphasis> of your project, while the <emphasis>working "
|
dongsheng@627
|
2477 "directory</emphasis> contains a <emphasis>snapshot</emphasis> of your project "
|
dongsheng@627
|
2478 "at a particular point in history."
|
dongsheng@627
|
2479 msgstr ""
|
dongsheng@627
|
2480
|
dongsheng@627
|
2481 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2482 #: ../en/ch01-tour-basic.xml:192
|
dongsheng@627
|
2483 msgid "A tour through history"
|
dongsheng@627
|
2484 msgstr "回溯历史"
|
dongsheng@627
|
2485
|
dongsheng@627
|
2486 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2487 #: ../en/ch01-tour-basic.xml:194
|
dongsheng@627
|
2488 msgid ""
|
dongsheng@627
|
2489 "One of the first things we might want to do with a new, unfamiliar repository "
|
dongsheng@627
|
2490 "is understand its history. The <command role=\"hg-cmd\">hg log</command> "
|
songdongsheng@667
|
2491 "command gives us a view of the history of changes in the repository."
|
songdongsheng@667
|
2492 msgstr ""
|
songdongsheng@667
|
2493
|
songdongsheng@667
|
2494 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2495 #: ../en/ch01-tour-basic.xml:201
|
dongsheng@627
|
2496 msgid ""
|
dongsheng@627
|
2497 "By default, this command prints a brief paragraph of output for each change "
|
dongsheng@627
|
2498 "to the project that was recorded. In Mercurial terminology, we call each of "
|
dongsheng@627
|
2499 "these recorded events a <emphasis>changeset</emphasis>, because it can "
|
dongsheng@627
|
2500 "contain a record of changes to several files."
|
dongsheng@627
|
2501 msgstr ""
|
dongsheng@627
|
2502
|
dongsheng@627
|
2503 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2504 #: ../en/ch01-tour-basic.xml:207
|
dongsheng@627
|
2505 msgid ""
|
dongsheng@627
|
2506 "The fields in a record of output from <command role=\"hg-cmd\">hg log</"
|
dongsheng@627
|
2507 "command> are as follows."
|
dongsheng@627
|
2508 msgstr ""
|
dongsheng@627
|
2509
|
dongsheng@627
|
2510 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2511 #: ../en/ch01-tour-basic.xml:211
|
dongsheng@627
|
2512 msgid ""
|
dongsheng@627
|
2513 "<literal>changeset</literal>: This field has the format of a number, followed "
|
songdongsheng@667
|
2514 "by a colon, followed by a hexadecimal (or <emphasis>hex</emphasis>) string. "
|
songdongsheng@667
|
2515 "These are <emphasis>identifiers</emphasis> for the changeset. The hex string "
|
songdongsheng@667
|
2516 "is a unique identifier: the same hex string will always refer to the same "
|
songdongsheng@667
|
2517 "changeset. The number is shorter and easier to type than the hex string, but "
|
songdongsheng@667
|
2518 "it isn't unique: the same number in two different clones of a repository may "
|
songdongsheng@667
|
2519 "identify different changesets. Why provide the number at all, then? For "
|
songdongsheng@667
|
2520 "local convenience."
|
dongsheng@627
|
2521 msgstr ""
|
dongsheng@627
|
2522
|
dongsheng@627
|
2523 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2524 #: ../en/ch01-tour-basic.xml:223
|
dongsheng@627
|
2525 msgid ""
|
dongsheng@627
|
2526 "<literal>user</literal>: The identity of the person who created the "
|
dongsheng@627
|
2527 "changeset. This is a free-form field, but it most often contains a person's "
|
dongsheng@627
|
2528 "name and email address."
|
dongsheng@627
|
2529 msgstr ""
|
dongsheng@627
|
2530
|
dongsheng@627
|
2531 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2532 #: ../en/ch01-tour-basic.xml:227
|
dongsheng@627
|
2533 msgid ""
|
dongsheng@627
|
2534 "<literal>date</literal>: The date and time on which the changeset was "
|
dongsheng@627
|
2535 "created, and the timezone in which it was created. (The date and time are "
|
dongsheng@627
|
2536 "local to that timezone; they display what time and date it was for the person "
|
dongsheng@627
|
2537 "who created the changeset.)"
|
dongsheng@627
|
2538 msgstr ""
|
dongsheng@627
|
2539
|
dongsheng@627
|
2540 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2541 #: ../en/ch01-tour-basic.xml:232
|
dongsheng@627
|
2542 msgid ""
|
dongsheng@627
|
2543 "<literal>summary</literal>: The first line of the text message that the "
|
dongsheng@627
|
2544 "creator of the changeset entered to describe the changeset."
|
dongsheng@627
|
2545 msgstr ""
|
dongsheng@627
|
2546
|
songdongsheng@667
|
2547 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2548 #: ../en/ch01-tour-basic.xml:236
|
songdongsheng@667
|
2549 msgid ""
|
songdongsheng@667
|
2550 "Some changesets, such as the first in the list above, have a <literal>tag</"
|
songdongsheng@667
|
2551 "literal> field. A tag is another way to identify a changeset, by giving it "
|
songdongsheng@667
|
2552 "an easy-to-remember name. (The tag named <literal>tip</literal> is special: "
|
songdongsheng@667
|
2553 "it always refers to the newest change in a repository.)"
|
songdongsheng@667
|
2554 msgstr ""
|
songdongsheng@667
|
2555
|
songdongsheng@667
|
2556 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2557 #: ../en/ch01-tour-basic.xml:244
|
dongsheng@627
|
2558 msgid ""
|
dongsheng@627
|
2559 "The default output printed by <command role=\"hg-cmd\">hg log</command> is "
|
dongsheng@627
|
2560 "purely a summary; it is missing a lot of detail."
|
dongsheng@627
|
2561 msgstr ""
|
dongsheng@627
|
2562
|
dongsheng@627
|
2563 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2564 #: ../en/ch01-tour-basic.xml:248
|
dongsheng@627
|
2565 msgid ""
|
songdongsheng@658
|
2566 "<xref linkend=\"fig:tour-basic:history\"/> provides a graphical "
|
songdongsheng@658
|
2567 "representation of the history of the <filename class=\"directory\">hello</"
|
songdongsheng@658
|
2568 "filename> repository, to make it a little easier to see which direction "
|
songdongsheng@658
|
2569 "history is <quote>flowing</quote> in. We'll be returning to this figure "
|
songdongsheng@658
|
2570 "several times in this chapter and the chapter that follows."
|
songdongsheng@658
|
2571 msgstr ""
|
songdongsheng@658
|
2572
|
songdongsheng@658
|
2573 #. type: Content of: <book><chapter><sect1><figure><title>
|
songdongsheng@667
|
2574 #: ../en/ch01-tour-basic.xml:257
|
dongsheng@627
|
2575 msgid ""
|
dongsheng@627
|
2576 "Graphical history of the <filename class=\"directory\">hello</filename> "
|
dongsheng@627
|
2577 "repository"
|
dongsheng@660
|
2578 msgstr "版本库 <filename class=\"directory\">hello</filename> 的历史图"
|
dongsheng@627
|
2579
|
songdongsheng@658
|
2580 #. type: Content of: <book><chapter><sect1><figure>
|
songdongsheng@667
|
2581 #: ../en/ch01-tour-basic.xml:259 ../en/ch02-tour-merge.xml:50
|
songdongsheng@658
|
2582 #: ../en/ch02-tour-merge.xml:181 ../en/ch03-concepts.xml:293
|
songdongsheng@658
|
2583 msgid "<placeholder type=\"mediaobject\" id=\"0\"/>"
|
songdongsheng@658
|
2584 msgstr ""
|
songdongsheng@658
|
2585
|
songdongsheng@658
|
2586 #. type: Content of: <book><chapter><sect1><figure><mediaobject>
|
songdongsheng@667
|
2587 #: ../en/ch01-tour-basic.xml:260
|
songdongsheng@658
|
2588 msgid ""
|
songdongsheng@658
|
2589 "<imageobject><imagedata fileref=\"figs/tour-history.png\"/></imageobject>"
|
songdongsheng@658
|
2590 msgstr ""
|
songdongsheng@658
|
2591
|
songdongsheng@658
|
2592 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject><textobject><phrase>
|
songdongsheng@667
|
2593 #: ../en/ch01-tour-basic.xml:261 ../en/ch02-tour-merge.xml:52
|
songdongsheng@658
|
2594 #: ../en/ch02-tour-merge.xml:82 ../en/ch02-tour-merge.xml:129
|
songdongsheng@658
|
2595 #: ../en/ch02-tour-merge.xml:183 ../en/ch02-tour-merge.xml:254
|
songdongsheng@658
|
2596 #: ../en/ch03-concepts.xml:57 ../en/ch03-concepts.xml:106
|
songdongsheng@658
|
2597 #: ../en/ch03-concepts.xml:191 ../en/ch03-concepts.xml:295
|
songdongsheng@658
|
2598 #: ../en/ch03-concepts.xml:346 ../en/ch03-concepts.xml:361
|
songdongsheng@658
|
2599 #: ../en/ch03-concepts.xml:402 ../en/ch03-concepts.xml:422
|
songdongsheng@658
|
2600 #: ../en/ch03-concepts.xml:465 ../en/ch05-collab.xml:276
|
songdongsheng@658
|
2601 #: ../en/ch08-undo.xml:365 ../en/ch08-undo.xml:412 ../en/ch08-undo.xml:477
|
songdongsheng@658
|
2602 #: ../en/ch08-undo.xml:515 ../en/ch11-mq.xml:412
|
songdongsheng@658
|
2603 msgid "XXX add text"
|
songdongsheng@658
|
2604 msgstr ""
|
songdongsheng@658
|
2605
|
dongsheng@627
|
2606 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2607 #: ../en/ch01-tour-basic.xml:266
|
dongsheng@627
|
2608 msgid "Changesets, revisions, and talking to other people"
|
songdongsheng@665
|
2609 msgstr "修改集,版本,与其它用户交互"
|
dongsheng@627
|
2610
|
dongsheng@627
|
2611 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2612 #: ../en/ch01-tour-basic.xml:269
|
dongsheng@627
|
2613 msgid ""
|
dongsheng@627
|
2614 "As English is a notoriously sloppy language, and computer science has a "
|
dongsheng@627
|
2615 "hallowed history of terminological confusion (why use one term when four will "
|
dongsheng@627
|
2616 "do?), revision control has a variety of words and phrases that mean the same "
|
dongsheng@627
|
2617 "thing. If you are talking about Mercurial history with other people, you "
|
dongsheng@627
|
2618 "will find that the word <quote>changeset</quote> is often compressed to "
|
dongsheng@627
|
2619 "<quote>change</quote> or (when written) <quote>cset</quote>, and sometimes a "
|
dongsheng@627
|
2620 "changeset is referred to as a <quote>revision</quote> or a <quote>rev</quote>."
|
dongsheng@627
|
2621 msgstr ""
|
dongsheng@627
|
2622
|
dongsheng@627
|
2623 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2624 #: ../en/ch01-tour-basic.xml:279
|
dongsheng@627
|
2625 msgid ""
|
dongsheng@627
|
2626 "While it doesn't matter what <emphasis>word</emphasis> you use to refer to "
|
dongsheng@627
|
2627 "the concept of <quote>a changeset</quote>, the <emphasis>identifier</"
|
dongsheng@627
|
2628 "emphasis> that you use to refer to <quote>a <emphasis>specific</emphasis> "
|
dongsheng@627
|
2629 "changeset</quote> is of great importance. Recall that the <literal>changeset</"
|
dongsheng@627
|
2630 "literal> field in the output from <command role=\"hg-cmd\">hg log</command> "
|
dongsheng@627
|
2631 "identifies a changeset using both a number and a hexadecimal string."
|
dongsheng@627
|
2632 msgstr ""
|
dongsheng@627
|
2633
|
dongsheng@627
|
2634 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@667
|
2635 #: ../en/ch01-tour-basic.xml:288
|
songdongsheng@667
|
2636 msgid ""
|
songdongsheng@667
|
2637 "The revision number is a handy notation that is <emphasis>only valid in that "
|
songdongsheng@667
|
2638 "repository</emphasis>."
|
songdongsheng@658
|
2639 msgstr ""
|
songdongsheng@658
|
2640
|
songdongsheng@658
|
2641 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
2642 #: ../en/ch01-tour-basic.xml:291
|
dongsheng@627
|
2643 msgid ""
|
songdongsheng@667
|
2644 "The hexadecimal string is the <emphasis>permanent, unchanging identifier</"
|
dongsheng@627
|
2645 "emphasis> that will always identify that exact changeset in <emphasis>every</"
|
dongsheng@627
|
2646 "emphasis> copy of the repository."
|
dongsheng@627
|
2647 msgstr ""
|
dongsheng@627
|
2648
|
dongsheng@627
|
2649 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2650 #: ../en/ch01-tour-basic.xml:297
|
dongsheng@627
|
2651 msgid ""
|
dongsheng@627
|
2652 "This distinction is important. If you send someone an email talking about "
|
dongsheng@627
|
2653 "<quote>revision 33</quote>, there's a high likelihood that their revision 33 "
|
dongsheng@627
|
2654 "will <emphasis>not be the same</emphasis> as yours. The reason for this is "
|
dongsheng@627
|
2655 "that a revision number depends on the order in which changes arrived in a "
|
dongsheng@627
|
2656 "repository, and there is no guarantee that the same changes will happen in "
|
songdongsheng@667
|
2657 "the same order in different repositories. Three changes <literal>a,b,c</"
|
songdongsheng@667
|
2658 "literal> can easily appear in one repository as <literal>0,1,2</literal>, "
|
songdongsheng@667
|
2659 "while in another as <literal>0,2,1</literal>."
|
songdongsheng@667
|
2660 msgstr ""
|
songdongsheng@667
|
2661
|
songdongsheng@667
|
2662 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2663 #: ../en/ch01-tour-basic.xml:309
|
dongsheng@627
|
2664 msgid ""
|
dongsheng@627
|
2665 "Mercurial uses revision numbers purely as a convenient shorthand. If you "
|
dongsheng@627
|
2666 "need to discuss a changeset with someone, or make a record of a changeset for "
|
dongsheng@627
|
2667 "some other reason (for example, in a bug report), use the hexadecimal "
|
dongsheng@627
|
2668 "identifier."
|
dongsheng@627
|
2669 msgstr ""
|
dongsheng@627
|
2670
|
dongsheng@627
|
2671 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2672 #: ../en/ch01-tour-basic.xml:317
|
dongsheng@627
|
2673 msgid "Viewing specific revisions"
|
dongsheng@627
|
2674 msgstr "察看指定版本"
|
dongsheng@627
|
2675
|
dongsheng@627
|
2676 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2677 #: ../en/ch01-tour-basic.xml:319
|
dongsheng@627
|
2678 msgid ""
|
dongsheng@627
|
2679 "To narrow the output of <command role=\"hg-cmd\">hg log</command> down to a "
|
dongsheng@627
|
2680 "single revision, use the <option role=\"hg-opt-log\">-r</option> (or <option "
|
dongsheng@627
|
2681 "role=\"hg-opt-log\">--rev</option>) option. You can use either a revision "
|
songdongsheng@667
|
2682 "number or a hexadecimal identifier, and you can provide as many revisions as "
|
songdongsheng@667
|
2683 "you want."
|
songdongsheng@667
|
2684 msgstr ""
|
songdongsheng@667
|
2685
|
songdongsheng@667
|
2686 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2687 #: ../en/ch01-tour-basic.xml:328
|
dongsheng@627
|
2688 msgid ""
|
dongsheng@627
|
2689 "If you want to see the history of several revisions without having to list "
|
dongsheng@627
|
2690 "each one, you can use <emphasis>range notation</emphasis>; this lets you "
|
dongsheng@627
|
2691 "express the idea <quote>I want all revisions between <literal>abc</literal> "
|
dongsheng@627
|
2692 "and <literal>def</literal>, inclusive</quote>."
|
dongsheng@627
|
2693 msgstr ""
|
dongsheng@627
|
2694
|
dongsheng@627
|
2695 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2696 #: ../en/ch01-tour-basic.xml:336
|
dongsheng@627
|
2697 msgid ""
|
dongsheng@627
|
2698 "Mercurial also honours the order in which you specify revisions, so <command "
|
dongsheng@627
|
2699 "role=\"hg-cmd\">hg log -r 2:4</command> prints 2, 3, and 4. while <command "
|
dongsheng@627
|
2700 "role=\"hg-cmd\">hg log -r 4:2</command> prints 4, 3, and 2."
|
dongsheng@627
|
2701 msgstr ""
|
dongsheng@627
|
2702
|
dongsheng@627
|
2703 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2704 #: ../en/ch01-tour-basic.xml:343
|
dongsheng@627
|
2705 msgid "More detailed information"
|
dongsheng@627
|
2706 msgstr "更详细的信息"
|
dongsheng@627
|
2707
|
dongsheng@627
|
2708 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2709 #: ../en/ch01-tour-basic.xml:345
|
dongsheng@627
|
2710 msgid ""
|
dongsheng@627
|
2711 "While the summary information printed by <command role=\"hg-cmd\">hg log</"
|
dongsheng@627
|
2712 "command> is useful if you already know what you're looking for, you may need "
|
dongsheng@627
|
2713 "to see a complete description of the change, or a list of the files changed, "
|
dongsheng@627
|
2714 "if you're trying to decide whether a changeset is the one you're looking for. "
|
dongsheng@627
|
2715 "The <command role=\"hg-cmd\">hg log</command> command's <option role=\"hg-opt-"
|
dongsheng@627
|
2716 "global\">-v</option> (or <option role=\"hg-opt-global\">--verbose</option>) "
|
dongsheng@627
|
2717 "option gives you this extra detail."
|
dongsheng@627
|
2718 msgstr ""
|
dongsheng@627
|
2719
|
dongsheng@627
|
2720 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2721 #: ../en/ch01-tour-basic.xml:357
|
dongsheng@627
|
2722 msgid ""
|
dongsheng@627
|
2723 "If you want to see both the description and content of a change, add the "
|
dongsheng@627
|
2724 "<option role=\"hg-opt-log\">-p</option> (or <option role=\"hg-opt-log\">--"
|
dongsheng@627
|
2725 "patch</option>) option. This displays the content of a change as a "
|
dongsheng@627
|
2726 "<emphasis>unified diff</emphasis> (if you've never seen a unified diff "
|
songdongsheng@658
|
2727 "before, see <xref linkend=\"sec:mq:patch\"/> for an overview)."
|
dongsheng@627
|
2728 msgstr ""
|
dongsheng@627
|
2729
|
songdongsheng@667
|
2730 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2731 #: ../en/ch01-tour-basic.xml:367
|
songdongsheng@667
|
2732 msgid ""
|
songdongsheng@667
|
2733 "The <option role=\"hg-opt-log\">-p</option> option is tremendously useful, so "
|
songdongsheng@667
|
2734 "it's well worth remembering."
|
songdongsheng@667
|
2735 msgstr ""
|
songdongsheng@667
|
2736
|
dongsheng@627
|
2737 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2738 #: ../en/ch01-tour-basic.xml:374
|
dongsheng@627
|
2739 msgid "All about command options"
|
dongsheng@627
|
2740 msgstr "命令选项"
|
dongsheng@627
|
2741
|
dongsheng@627
|
2742 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2743 #: ../en/ch01-tour-basic.xml:376
|
dongsheng@627
|
2744 msgid ""
|
dongsheng@627
|
2745 "Let's take a brief break from exploring Mercurial commands to discuss a "
|
dongsheng@627
|
2746 "pattern in the way that they work; you may find this useful to keep in mind "
|
dongsheng@627
|
2747 "as we continue our tour."
|
dongsheng@627
|
2748 msgstr ""
|
dongsheng@627
|
2749
|
dongsheng@627
|
2750 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2751 #: ../en/ch01-tour-basic.xml:380
|
dongsheng@627
|
2752 msgid ""
|
dongsheng@627
|
2753 "Mercurial has a consistent and straightforward approach to dealing with the "
|
dongsheng@627
|
2754 "options that you can pass to commands. It follows the conventions for "
|
dongsheng@627
|
2755 "options that are common to modern Linux and Unix systems."
|
dongsheng@627
|
2756 msgstr ""
|
dongsheng@627
|
2757
|
dongsheng@627
|
2758 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2759 #: ../en/ch01-tour-basic.xml:387
|
dongsheng@627
|
2760 msgid ""
|
dongsheng@627
|
2761 "Every option has a long name. For example, as we've already seen, the "
|
dongsheng@627
|
2762 "<command role=\"hg-cmd\">hg log</command> command accepts a <option role=\"hg-"
|
dongsheng@627
|
2763 "opt-log\">--rev</option> option."
|
dongsheng@627
|
2764 msgstr ""
|
dongsheng@627
|
2765
|
dongsheng@627
|
2766 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2767 #: ../en/ch01-tour-basic.xml:393
|
dongsheng@627
|
2768 msgid ""
|
dongsheng@627
|
2769 "Most options have short names, too. Instead of <option role=\"hg-opt-log\">--"
|
dongsheng@627
|
2770 "rev</option>, we can use <option role=\"hg-opt-log\">-r</option>. (The "
|
dongsheng@627
|
2771 "reason that some options don't have short names is that the options in "
|
dongsheng@627
|
2772 "question are rarely used.)"
|
dongsheng@627
|
2773 msgstr ""
|
dongsheng@627
|
2774
|
dongsheng@627
|
2775 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2776 #: ../en/ch01-tour-basic.xml:400
|
songdongsheng@667
|
2777 msgid ""
|
songdongsheng@667
|
2778 "Long options start with two dashes (e.g. <option role=\"hg-opt-log\">--rev</"
|
dongsheng@627
|
2779 "option>), while short options start with one (e.g. <option role=\"hg-opt-log"
|
dongsheng@627
|
2780 "\">-r</option>)."
|
dongsheng@627
|
2781 msgstr ""
|
dongsheng@627
|
2782
|
dongsheng@627
|
2783 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2784 #: ../en/ch01-tour-basic.xml:406
|
dongsheng@627
|
2785 msgid ""
|
dongsheng@627
|
2786 "Option naming and usage is consistent across commands. For example, every "
|
dongsheng@627
|
2787 "command that lets you specify a changeset ID or revision number accepts both "
|
dongsheng@627
|
2788 "<option role=\"hg-opt-log\">-r</option> and <option role=\"hg-opt-log\">--"
|
dongsheng@627
|
2789 "rev</option> arguments."
|
dongsheng@627
|
2790 msgstr ""
|
dongsheng@627
|
2791
|
songdongsheng@667
|
2792 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@667
|
2793 #: ../en/ch01-tour-basic.xml:413
|
songdongsheng@667
|
2794 msgid ""
|
songdongsheng@667
|
2795 "If you are using short options, you can save typing by running them together. "
|
songdongsheng@667
|
2796 "For example, the command <command role=\"hg-cmd\">hg log -v -p -r 2</command> "
|
songdongsheng@667
|
2797 "can be written as <command role=\"hg-cmd\">hg log -vpr2</command>."
|
songdongsheng@667
|
2798 msgstr ""
|
songdongsheng@667
|
2799
|
songdongsheng@667
|
2800 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2801 #: ../en/ch01-tour-basic.xml:420
|
dongsheng@627
|
2802 msgid ""
|
dongsheng@627
|
2803 "In the examples throughout this book, I use short options instead of long. "
|
dongsheng@627
|
2804 "This just reflects my own preference, so don't read anything significant into "
|
dongsheng@627
|
2805 "it."
|
dongsheng@627
|
2806 msgstr ""
|
dongsheng@627
|
2807
|
dongsheng@627
|
2808 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2809 #: ../en/ch01-tour-basic.xml:424
|
dongsheng@627
|
2810 msgid ""
|
dongsheng@627
|
2811 "Most commands that print output of some kind will print more output when "
|
dongsheng@627
|
2812 "passed a <option role=\"hg-opt-global\">-v</option> (or <option role=\"hg-opt-"
|
dongsheng@627
|
2813 "global\">--verbose</option>) option, and less when passed <option role=\"hg-"
|
dongsheng@627
|
2814 "opt-global\">-q</option> (or <option role=\"hg-opt-global\">--quiet</option>)."
|
dongsheng@627
|
2815 msgstr ""
|
dongsheng@627
|
2816
|
songdongsheng@667
|
2817 #. type: Content of: <book><chapter><sect1><note><title>
|
songdongsheng@667
|
2818 #: ../en/ch01-tour-basic.xml:431
|
songdongsheng@667
|
2819 msgid "Option naming consistency"
|
songdongsheng@667
|
2820 msgstr ""
|
songdongsheng@667
|
2821
|
songdongsheng@667
|
2822 #. type: Content of: <book><chapter><sect1><note><para>
|
songdongsheng@667
|
2823 #: ../en/ch01-tour-basic.xml:433
|
songdongsheng@667
|
2824 msgid ""
|
songdongsheng@667
|
2825 "Almost always, Mercurial commands use consistent option names to refer to the "
|
songdongsheng@667
|
2826 "same concepts. For instance, if a command deals with changesets, you'll "
|
songdongsheng@667
|
2827 "always identify them with <option role=\"hg-opt-log\">--rev</option> or "
|
songdongsheng@667
|
2828 "<option role=\"hg-opt-log\">-r</option>. This consistent use of option names "
|
songdongsheng@667
|
2829 "makes it easier to remember what options a particular command takes."
|
songdongsheng@667
|
2830 msgstr ""
|
songdongsheng@667
|
2831
|
dongsheng@627
|
2832 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2833 #: ../en/ch01-tour-basic.xml:444
|
dongsheng@627
|
2834 msgid "Making and reviewing changes"
|
dongsheng@627
|
2835 msgstr "创建和复审修改"
|
dongsheng@627
|
2836
|
dongsheng@627
|
2837 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2838 #: ../en/ch01-tour-basic.xml:446
|
dongsheng@627
|
2839 msgid ""
|
dongsheng@627
|
2840 "Now that we have a grasp of viewing history in Mercurial, let's take a look "
|
dongsheng@627
|
2841 "at making some changes and examining them."
|
dongsheng@627
|
2842 msgstr ""
|
dongsheng@627
|
2843
|
dongsheng@627
|
2844 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2845 #: ../en/ch01-tour-basic.xml:450
|
dongsheng@627
|
2846 msgid ""
|
dongsheng@627
|
2847 "The first thing we'll do is isolate our experiment in a repository of its "
|
dongsheng@627
|
2848 "own. We use the <command role=\"hg-cmd\">hg clone</command> command, but we "
|
dongsheng@627
|
2849 "don't need to clone a copy of the remote repository. Since we already have a "
|
dongsheng@627
|
2850 "copy of it locally, we can just clone that instead. This is much faster than "
|
dongsheng@627
|
2851 "cloning over the network, and cloning a local repository uses less disk space "
|
songdongsheng@667
|
2852 "in most cases, too<placeholder type=\"footnote\" id=\"0\"/>."
|
songdongsheng@667
|
2853 msgstr ""
|
songdongsheng@667
|
2854
|
songdongsheng@667
|
2855 #. type: Content of: <book><chapter><sect1><para><footnote><para>
|
songdongsheng@667
|
2856 #: ../en/ch01-tour-basic.xml:457
|
songdongsheng@667
|
2857 msgid ""
|
songdongsheng@667
|
2858 "The saving of space arises when source and destination repositories are on "
|
songdongsheng@667
|
2859 "the same filesystem, in which case Mercurial will use hardlinks to do copy-on-"
|
songdongsheng@667
|
2860 "write sharing of its internal metadata. If that explanation meant nothing to "
|
songdongsheng@667
|
2861 "you, don't worry: everything happens transparently and automatically, and you "
|
songdongsheng@667
|
2862 "don't need to understand it."
|
songdongsheng@667
|
2863 msgstr ""
|
songdongsheng@667
|
2864
|
songdongsheng@667
|
2865 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2866 #: ../en/ch01-tour-basic.xml:467
|
dongsheng@627
|
2867 msgid ""
|
dongsheng@627
|
2868 "As an aside, it's often good practice to keep a <quote>pristine</quote> copy "
|
dongsheng@627
|
2869 "of a remote repository around, which you can then make temporary clones of to "
|
dongsheng@627
|
2870 "create sandboxes for each task you want to work on. This lets you work on "
|
dongsheng@627
|
2871 "multiple tasks in parallel, each isolated from the others until it's complete "
|
dongsheng@627
|
2872 "and you're ready to integrate it back. Because local clones are so cheap, "
|
dongsheng@627
|
2873 "there's almost no overhead to cloning and destroying repositories whenever "
|
dongsheng@627
|
2874 "you want."
|
dongsheng@627
|
2875 msgstr ""
|
dongsheng@627
|
2876
|
dongsheng@627
|
2877 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2878 #: ../en/ch01-tour-basic.xml:476
|
dongsheng@627
|
2879 msgid ""
|
dongsheng@627
|
2880 "In our <filename class=\"directory\">my-hello</filename> repository, we have "
|
dongsheng@627
|
2881 "a file <filename>hello.c</filename> that contains the classic <quote>hello, "
|
songdongsheng@667
|
2882 "world</quote> program."
|
songdongsheng@667
|
2883 msgstr ""
|
songdongsheng@667
|
2884
|
songdongsheng@667
|
2885 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2886 #: ../en/ch01-tour-basic.xml:482
|
songdongsheng@667
|
2887 msgid "Let's edit this file so that it prints a second line of output."
|
songdongsheng@667
|
2888 msgstr ""
|
songdongsheng@667
|
2889
|
songdongsheng@667
|
2890 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2891 #: ../en/ch01-tour-basic.xml:487
|
dongsheng@627
|
2892 msgid ""
|
dongsheng@627
|
2893 "Mercurial's <command role=\"hg-cmd\">hg status</command> command will tell us "
|
dongsheng@627
|
2894 "what Mercurial knows about the files in the repository."
|
dongsheng@627
|
2895 msgstr ""
|
dongsheng@627
|
2896
|
dongsheng@627
|
2897 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2898 #: ../en/ch01-tour-basic.xml:493
|
dongsheng@627
|
2899 msgid ""
|
dongsheng@627
|
2900 "The <command role=\"hg-cmd\">hg status</command> command prints no output for "
|
dongsheng@627
|
2901 "some files, but a line starting with <quote><literal>M</literal></quote> for "
|
dongsheng@627
|
2902 "<filename>hello.c</filename>. Unless you tell it to, <command role=\"hg-cmd"
|
dongsheng@627
|
2903 "\">hg status</command> will not print any output for files that have not been "
|
dongsheng@627
|
2904 "modified."
|
dongsheng@627
|
2905 msgstr ""
|
dongsheng@627
|
2906
|
dongsheng@627
|
2907 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2908 #: ../en/ch01-tour-basic.xml:500
|
dongsheng@627
|
2909 msgid ""
|
dongsheng@627
|
2910 "The <quote><literal>M</literal></quote> indicates that Mercurial has noticed "
|
dongsheng@627
|
2911 "that we modified <filename>hello.c</filename>. We didn't need to "
|
dongsheng@627
|
2912 "<emphasis>inform</emphasis> Mercurial that we were going to modify the file "
|
dongsheng@627
|
2913 "before we started, or that we had modified the file after we were done; it "
|
dongsheng@627
|
2914 "was able to figure this out itself."
|
dongsheng@627
|
2915 msgstr ""
|
dongsheng@627
|
2916
|
dongsheng@627
|
2917 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2918 #: ../en/ch01-tour-basic.xml:508
|
songdongsheng@667
|
2919 msgid ""
|
songdongsheng@667
|
2920 "It's somewhat helpful to know that we've modified <filename>hello.c</"
|
dongsheng@627
|
2921 "filename>, but we might prefer to know exactly <emphasis>what</emphasis> "
|
dongsheng@627
|
2922 "changes we've made to it. To do this, we use the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
2923 "diff</command> command."
|
dongsheng@627
|
2924 msgstr ""
|
dongsheng@627
|
2925
|
dongsheng@627
|
2926 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2927 #: ../en/ch01-tour-basic.xml:517 ../en/ch11-mq.xml:187
|
songdongsheng@667
|
2928 msgid "Understanding patches"
|
songdongsheng@667
|
2929 msgstr "理解补丁"
|
songdongsheng@667
|
2930
|
songdongsheng@667
|
2931 #. type: Content of: <book><chapter><sect1><tip><para>
|
songdongsheng@667
|
2932 #: ../en/ch01-tour-basic.xml:519
|
songdongsheng@667
|
2933 msgid ""
|
songdongsheng@667
|
2934 "Remember to take a look at <xref linkend=\"sec:mq:patch\"/> if you don't know "
|
songdongsheng@667
|
2935 "how to read output above."
|
songdongsheng@667
|
2936 msgstr ""
|
songdongsheng@667
|
2937
|
songdongsheng@667
|
2938 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
2939 #: ../en/ch01-tour-basic.xml:525
|
dongsheng@627
|
2940 msgid "Recording changes in a new changeset"
|
dongsheng@627
|
2941 msgstr "在新修改集中记录修改"
|
dongsheng@627
|
2942
|
dongsheng@627
|
2943 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2944 #: ../en/ch01-tour-basic.xml:527
|
dongsheng@627
|
2945 msgid ""
|
dongsheng@627
|
2946 "We can modify files, build and test our changes, and use <command role=\"hg-"
|
dongsheng@627
|
2947 "cmd\">hg status</command> and <command role=\"hg-cmd\">hg diff</command> to "
|
dongsheng@627
|
2948 "review our changes, until we're satisfied with what we've done and arrive at "
|
dongsheng@627
|
2949 "a natural stopping point where we want to record our work in a new changeset."
|
dongsheng@627
|
2950 msgstr ""
|
dongsheng@627
|
2951
|
dongsheng@627
|
2952 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
2953 #: ../en/ch01-tour-basic.xml:534
|
dongsheng@627
|
2954 msgid ""
|
dongsheng@627
|
2955 "The <command role=\"hg-cmd\">hg commit</command> command lets us create a new "
|
dongsheng@627
|
2956 "changeset; we'll usually refer to this as <quote>making a commit</quote> or "
|
dongsheng@627
|
2957 "<quote>committing</quote>."
|
dongsheng@627
|
2958 msgstr ""
|
dongsheng@627
|
2959
|
dongsheng@627
|
2960 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
2961 #: ../en/ch01-tour-basic.xml:540
|
dongsheng@627
|
2962 msgid "Setting up a username"
|
dongsheng@627
|
2963 msgstr "配置用户名称"
|
dongsheng@627
|
2964
|
dongsheng@627
|
2965 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
2966 #: ../en/ch01-tour-basic.xml:542
|
dongsheng@627
|
2967 msgid ""
|
dongsheng@627
|
2968 "When you try to run <command role=\"hg-cmd\">hg commit</command> for the "
|
dongsheng@627
|
2969 "first time, it is not guaranteed to succeed. Mercurial records your name and "
|
dongsheng@627
|
2970 "address with each change that you commit, so that you and others will later "
|
dongsheng@627
|
2971 "be able to tell who made each change. Mercurial tries to automatically "
|
dongsheng@627
|
2972 "figure out a sensible username to commit the change with. It will attempt "
|
dongsheng@627
|
2973 "each of the following methods, in order:"
|
dongsheng@627
|
2974 msgstr ""
|
dongsheng@627
|
2975
|
dongsheng@627
|
2976 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@667
|
2977 #: ../en/ch01-tour-basic.xml:551
|
dongsheng@627
|
2978 msgid ""
|
dongsheng@627
|
2979 "If you specify a <option role=\"hg-opt-commit\">-u</option> option to the "
|
dongsheng@627
|
2980 "<command role=\"hg-cmd\">hg commit</command> command on the command line, "
|
dongsheng@627
|
2981 "followed by a username, this is always given the highest precedence."
|
dongsheng@627
|
2982 msgstr ""
|
dongsheng@627
|
2983
|
dongsheng@627
|
2984 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@667
|
2985 #: ../en/ch01-tour-basic.xml:556
|
dongsheng@627
|
2986 msgid ""
|
dongsheng@627
|
2987 "If you have set the <envar>HGUSER</envar> environment variable, this is "
|
dongsheng@627
|
2988 "checked next."
|
dongsheng@627
|
2989 msgstr ""
|
dongsheng@627
|
2990
|
dongsheng@627
|
2991 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@667
|
2992 #: ../en/ch01-tour-basic.xml:559
|
dongsheng@627
|
2993 msgid ""
|
dongsheng@627
|
2994 "If you create a file in your home directory called <filename role=\"special"
|
dongsheng@627
|
2995 "\">.hgrc</filename>, with a <envar role=\"rc-item-ui\">username</envar> "
|
dongsheng@627
|
2996 "entry, that will be used next. To see what the contents of this file should "
|
songdongsheng@658
|
2997 "look like, refer to <xref linkend=\"sec:tour-basic:username\"/> below."
|
dongsheng@627
|
2998 msgstr ""
|
dongsheng@627
|
2999
|
dongsheng@627
|
3000 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@667
|
3001 #: ../en/ch01-tour-basic.xml:567
|
dongsheng@627
|
3002 msgid ""
|
dongsheng@627
|
3003 "If you have set the <envar>EMAIL</envar> environment variable, this will be "
|
dongsheng@627
|
3004 "used next."
|
dongsheng@627
|
3005 msgstr ""
|
dongsheng@627
|
3006
|
dongsheng@627
|
3007 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@667
|
3008 #: ../en/ch01-tour-basic.xml:570
|
dongsheng@627
|
3009 msgid ""
|
dongsheng@627
|
3010 "Mercurial will query your system to find out your local user name and host "
|
dongsheng@627
|
3011 "name, and construct a username from these components. Since this often "
|
dongsheng@627
|
3012 "results in a username that is not very useful, it will print a warning if it "
|
dongsheng@627
|
3013 "has to do this."
|
dongsheng@627
|
3014 msgstr ""
|
dongsheng@627
|
3015
|
dongsheng@627
|
3016 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3017 #: ../en/ch01-tour-basic.xml:577
|
dongsheng@627
|
3018 msgid ""
|
dongsheng@627
|
3019 "If all of these mechanisms fail, Mercurial will fail, printing an error "
|
dongsheng@627
|
3020 "message. In this case, it will not let you commit until you set up a "
|
dongsheng@627
|
3021 "username."
|
dongsheng@627
|
3022 msgstr ""
|
dongsheng@627
|
3023
|
dongsheng@627
|
3024 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3025 #: ../en/ch01-tour-basic.xml:581
|
dongsheng@627
|
3026 msgid ""
|
dongsheng@627
|
3027 "You should think of the <envar>HGUSER</envar> environment variable and the "
|
dongsheng@627
|
3028 "<option role=\"hg-opt-commit\">-u</option> option to the <command role=\"hg-"
|
dongsheng@627
|
3029 "cmd\">hg commit</command> command as ways to <emphasis>override</emphasis> "
|
dongsheng@627
|
3030 "Mercurial's default selection of username. For normal use, the simplest and "
|
dongsheng@627
|
3031 "most robust way to set a username for yourself is by creating a <filename "
|
dongsheng@627
|
3032 "role=\"special\">.hgrc</filename> file; see below for details."
|
dongsheng@627
|
3033 msgstr ""
|
dongsheng@627
|
3034
|
dongsheng@627
|
3035 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@667
|
3036 #: ../en/ch01-tour-basic.xml:590
|
dongsheng@627
|
3037 msgid "Creating a Mercurial configuration file"
|
dongsheng@627
|
3038 msgstr "创建 Mercurial 的配置文件"
|
dongsheng@627
|
3039
|
dongsheng@627
|
3040 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@667
|
3041 #: ../en/ch01-tour-basic.xml:592
|
dongsheng@627
|
3042 msgid ""
|
dongsheng@627
|
3043 "To set a user name, use your favourite editor to create a file called "
|
dongsheng@627
|
3044 "<filename role=\"special\">.hgrc</filename> in your home directory. "
|
dongsheng@627
|
3045 "Mercurial will use this file to look up your personalised configuration "
|
dongsheng@627
|
3046 "settings. The initial contents of your <filename role=\"special\">.hgrc</"
|
dongsheng@627
|
3047 "filename> should look like this."
|
dongsheng@627
|
3048 msgstr ""
|
dongsheng@627
|
3049
|
songdongsheng@667
|
3050 #. type: Content of: <book><chapter><sect1><sect2><sect3><remark>
|
songdongsheng@667
|
3051 #: ../en/ch01-tour-basic.xml:600
|
songdongsheng@667
|
3052 msgid "Figure out what the appropriate directory is on Windows."
|
songdongsheng@667
|
3053 msgstr ""
|
songdongsheng@667
|
3054
|
dongsheng@627
|
3055 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@667
|
3056 #: ../en/ch01-tour-basic.xml:607
|
dongsheng@627
|
3057 msgid ""
|
dongsheng@627
|
3058 "The <quote><literal>[ui]</literal></quote> line begins a <emphasis>section</"
|
dongsheng@627
|
3059 "emphasis> of the config file, so you can read the <quote><literal>username "
|
dongsheng@627
|
3060 "= ...</literal></quote> line as meaning <quote>set the value of the "
|
dongsheng@627
|
3061 "<literal>username</literal> item in the <literal>ui</literal> section</"
|
dongsheng@627
|
3062 "quote>. A section continues until a new section begins, or the end of the "
|
dongsheng@627
|
3063 "file. Mercurial ignores empty lines and treats any text from "
|
dongsheng@627
|
3064 "<quote><literal>#</literal></quote> to the end of a line as a comment."
|
dongsheng@627
|
3065 msgstr ""
|
dongsheng@627
|
3066
|
dongsheng@627
|
3067 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@667
|
3068 #: ../en/ch01-tour-basic.xml:620
|
dongsheng@627
|
3069 msgid "Choosing a user name"
|
dongsheng@627
|
3070 msgstr "选择用户名称"
|
dongsheng@627
|
3071
|
dongsheng@627
|
3072 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@667
|
3073 #: ../en/ch01-tour-basic.xml:622
|
dongsheng@627
|
3074 msgid ""
|
dongsheng@627
|
3075 "You can use any text you like as the value of the <literal>username</literal> "
|
songdongsheng@667
|
3076 "config item, since this information is for reading by other people, but will "
|
songdongsheng@667
|
3077 "not be interpreted by Mercurial. The convention that most people follow is "
|
songdongsheng@667
|
3078 "to use their name and email address, as in the example above."
|
dongsheng@627
|
3079 msgstr ""
|
dongsheng@627
|
3080
|
dongsheng@627
|
3081 #. type: Content of: <book><chapter><sect1><sect2><sect3><note><para>
|
songdongsheng@667
|
3082 #: ../en/ch01-tour-basic.xml:629
|
dongsheng@627
|
3083 msgid ""
|
dongsheng@627
|
3084 "Mercurial's built-in web server obfuscates email addresses, to make it more "
|
dongsheng@627
|
3085 "difficult for the email harvesting tools that spammers use. This reduces the "
|
dongsheng@627
|
3086 "likelihood that you'll start receiving more junk email if you publish a "
|
dongsheng@627
|
3087 "Mercurial repository on the web."
|
dongsheng@627
|
3088 msgstr ""
|
dongsheng@627
|
3089
|
dongsheng@627
|
3090 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3091 #: ../en/ch01-tour-basic.xml:639
|
dongsheng@627
|
3092 msgid "Writing a commit message"
|
dongsheng@627
|
3093 msgstr "写提交日志"
|
dongsheng@627
|
3094
|
dongsheng@627
|
3095 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3096 #: ../en/ch01-tour-basic.xml:641
|
dongsheng@627
|
3097 msgid ""
|
dongsheng@627
|
3098 "When we commit a change, Mercurial drops us into a text editor, to enter a "
|
dongsheng@627
|
3099 "message that will describe the modifications we've made in this changeset. "
|
dongsheng@627
|
3100 "This is called the <emphasis>commit message</emphasis>. It will be a record "
|
dongsheng@627
|
3101 "for readers of what we did and why, and it will be printed by <command role="
|
dongsheng@627
|
3102 "\"hg-cmd\">hg log</command> after we've finished committing."
|
dongsheng@627
|
3103 msgstr ""
|
dongsheng@627
|
3104
|
dongsheng@627
|
3105 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3106 #: ../en/ch01-tour-basic.xml:651
|
dongsheng@627
|
3107 msgid ""
|
dongsheng@627
|
3108 "The editor that the <command role=\"hg-cmd\">hg commit</command> command "
|
songdongsheng@667
|
3109 "drops us into will contain an empty line or two, followed by a number of "
|
songdongsheng@667
|
3110 "lines starting with <quote><literal>HG:</literal></quote>."
|
songdongsheng@667
|
3111 msgstr ""
|
songdongsheng@667
|
3112
|
songdongsheng@667
|
3113 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3114 #: ../en/ch01-tour-basic.xml:665
|
dongsheng@627
|
3115 msgid ""
|
dongsheng@627
|
3116 "Mercurial ignores the lines that start with <quote><literal>HG:</literal></"
|
dongsheng@627
|
3117 "quote>; it uses them only to tell us which files it's recording changes to. "
|
dongsheng@627
|
3118 "Modifying or deleting these lines has no effect."
|
dongsheng@627
|
3119 msgstr ""
|
dongsheng@627
|
3120
|
dongsheng@627
|
3121 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3122 #: ../en/ch01-tour-basic.xml:671
|
dongsheng@627
|
3123 msgid "Writing a good commit message"
|
dongsheng@627
|
3124 msgstr "写好提交日志"
|
dongsheng@627
|
3125
|
dongsheng@627
|
3126 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3127 #: ../en/ch01-tour-basic.xml:673
|
dongsheng@627
|
3128 msgid ""
|
dongsheng@627
|
3129 "Since <command role=\"hg-cmd\">hg log</command> only prints the first line of "
|
dongsheng@627
|
3130 "a commit message by default, it's best to write a commit message whose first "
|
dongsheng@627
|
3131 "line stands alone. Here's a real example of a commit message that "
|
dongsheng@627
|
3132 "<emphasis>doesn't</emphasis> follow this guideline, and hence has a summary "
|
dongsheng@627
|
3133 "that is not readable."
|
dongsheng@627
|
3134 msgstr ""
|
dongsheng@627
|
3135
|
dongsheng@627
|
3136 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3137 #: ../en/ch01-tour-basic.xml:687
|
dongsheng@627
|
3138 msgid ""
|
dongsheng@627
|
3139 "As far as the remainder of the contents of the commit message are concerned, "
|
dongsheng@627
|
3140 "there are no hard-and-fast rules. Mercurial itself doesn't interpret or care "
|
dongsheng@627
|
3141 "about the contents of the commit message, though your project may have "
|
dongsheng@627
|
3142 "policies that dictate a certain kind of formatting."
|
dongsheng@627
|
3143 msgstr ""
|
dongsheng@627
|
3144
|
dongsheng@627
|
3145 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3146 #: ../en/ch01-tour-basic.xml:693
|
dongsheng@627
|
3147 msgid ""
|
dongsheng@627
|
3148 "My personal preference is for short, but informative, commit messages that "
|
dongsheng@627
|
3149 "tell me something that I can't figure out with a quick glance at the output "
|
dongsheng@627
|
3150 "of <command role=\"hg-cmd\">hg log --patch</command>."
|
dongsheng@627
|
3151 msgstr ""
|
dongsheng@627
|
3152
|
dongsheng@627
|
3153 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3154 #: ../en/ch01-tour-basic.xml:700
|
dongsheng@627
|
3155 msgid "Aborting a commit"
|
dongsheng@627
|
3156 msgstr "终止提交"
|
dongsheng@627
|
3157
|
dongsheng@627
|
3158 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3159 #: ../en/ch01-tour-basic.xml:702
|
dongsheng@627
|
3160 msgid ""
|
dongsheng@627
|
3161 "If you decide that you don't want to commit while in the middle of editing a "
|
dongsheng@627
|
3162 "commit message, simply exit from your editor without saving the file that "
|
dongsheng@627
|
3163 "it's editing. This will cause nothing to happen to either the repository or "
|
dongsheng@627
|
3164 "the working directory."
|
dongsheng@627
|
3165 msgstr ""
|
dongsheng@627
|
3166
|
dongsheng@627
|
3167 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3168 #: ../en/ch01-tour-basic.xml:707
|
dongsheng@627
|
3169 msgid ""
|
dongsheng@627
|
3170 "If we run the <command role=\"hg-cmd\">hg commit</command> command without "
|
dongsheng@627
|
3171 "any arguments, it records all of the changes we've made, as reported by "
|
dongsheng@627
|
3172 "<command role=\"hg-cmd\">hg status</command> and <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
3173 "diff</command>."
|
dongsheng@627
|
3174 msgstr ""
|
dongsheng@627
|
3175
|
dongsheng@627
|
3176 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3177 #: ../en/ch01-tour-basic.xml:714
|
dongsheng@627
|
3178 msgid "Admiring our new handiwork"
|
songdongsheng@665
|
3179 msgstr "欣赏我们的成果"
|
dongsheng@627
|
3180
|
dongsheng@627
|
3181 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3182 #: ../en/ch01-tour-basic.xml:716
|
dongsheng@627
|
3183 msgid ""
|
dongsheng@627
|
3184 "Once we've finished the commit, we can use the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
3185 "tip</command> command to display the changeset we just created. This command "
|
dongsheng@627
|
3186 "produces output that is identical to <command role=\"hg-cmd\">hg log</"
|
dongsheng@627
|
3187 "command>, but it only displays the newest revision in the repository."
|
dongsheng@627
|
3188 msgstr ""
|
dongsheng@627
|
3189
|
dongsheng@627
|
3190 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3191 #: ../en/ch01-tour-basic.xml:725
|
songdongsheng@667
|
3192 msgid ""
|
songdongsheng@667
|
3193 "We refer to the newest revision in the repository as the <emphasis>tip "
|
songdongsheng@667
|
3194 "revision</emphasis>, or simply the <emphasis>tip</emphasis>."
|
songdongsheng@667
|
3195 msgstr ""
|
songdongsheng@667
|
3196
|
songdongsheng@667
|
3197 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3198 #: ../en/ch01-tour-basic.xml:729
|
songdongsheng@667
|
3199 msgid ""
|
songdongsheng@667
|
3200 "By the way, the <command role=\"hg-cmd\">hg tip</command> command accepts "
|
songdongsheng@667
|
3201 "many of the same options as <command role=\"hg-cmd\">hg log</command>, so "
|
songdongsheng@667
|
3202 "<option role=\"hg-opt-global\">-v</option> above indicates <quote>be verbose</"
|
songdongsheng@667
|
3203 "quote>, <option role=\"hg-opt-tip\">-p</option> specifies <quote>print a "
|
songdongsheng@667
|
3204 "patch</quote>. The use of <option role=\"hg-opt-tip\">-p</option> to print "
|
songdongsheng@667
|
3205 "patches is another example of the consistent naming we mentioned earlier."
|
dongsheng@627
|
3206 msgstr ""
|
dongsheng@627
|
3207
|
dongsheng@627
|
3208 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@667
|
3209 #: ../en/ch01-tour-basic.xml:741
|
dongsheng@627
|
3210 msgid "Sharing changes"
|
dongsheng@627
|
3211 msgstr "共享修改"
|
dongsheng@627
|
3212
|
dongsheng@627
|
3213 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@667
|
3214 #: ../en/ch01-tour-basic.xml:743
|
dongsheng@627
|
3215 msgid ""
|
dongsheng@627
|
3216 "We mentioned earlier that repositories in Mercurial are self-contained. This "
|
dongsheng@627
|
3217 "means that the changeset we just created exists only in our <filename class="
|
dongsheng@627
|
3218 "\"directory\">my-hello</filename> repository. Let's look at a few ways that "
|
dongsheng@627
|
3219 "we can propagate this change into other repositories."
|
dongsheng@627
|
3220 msgstr ""
|
dongsheng@627
|
3221
|
dongsheng@627
|
3222 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3223 #: ../en/ch01-tour-basic.xml:751
|
dongsheng@627
|
3224 msgid "Pulling changes from another repository"
|
dongsheng@627
|
3225 msgstr "从其它版本库取得修改"
|
dongsheng@627
|
3226
|
dongsheng@627
|
3227 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3228 #: ../en/ch01-tour-basic.xml:752
|
dongsheng@627
|
3229 msgid ""
|
dongsheng@627
|
3230 "To get started, let's clone our original <filename class=\"directory\">hello</"
|
dongsheng@627
|
3231 "filename> repository, which does not contain the change we just committed. "
|
dongsheng@627
|
3232 "We'll call our temporary repository <filename class=\"directory\">hello-pull</"
|
dongsheng@627
|
3233 "filename>."
|
dongsheng@627
|
3234 msgstr ""
|
dongsheng@627
|
3235
|
dongsheng@627
|
3236 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3237 #: ../en/ch01-tour-basic.xml:760
|
dongsheng@627
|
3238 msgid ""
|
dongsheng@627
|
3239 "We'll use the <command role=\"hg-cmd\">hg pull</command> command to bring "
|
dongsheng@627
|
3240 "changes from <filename class=\"directory\">my-hello</filename> into <filename "
|
dongsheng@627
|
3241 "class=\"directory\">hello-pull</filename>. However, blindly pulling unknown "
|
dongsheng@627
|
3242 "changes into a repository is a somewhat scary prospect. Mercurial provides "
|
dongsheng@627
|
3243 "the <command role=\"hg-cmd\">hg incoming</command> command to tell us what "
|
dongsheng@627
|
3244 "changes the <command role=\"hg-cmd\">hg pull</command> command "
|
dongsheng@627
|
3245 "<emphasis>would</emphasis> pull into the repository, without actually pulling "
|
dongsheng@627
|
3246 "the changes in."
|
dongsheng@627
|
3247 msgstr ""
|
dongsheng@627
|
3248
|
dongsheng@627
|
3249 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3250 #: ../en/ch01-tour-basic.xml:773
|
songdongsheng@667
|
3251 msgid ""
|
songdongsheng@667
|
3252 "Suppose you're pulling changes from a repository on the network somewhere. "
|
songdongsheng@667
|
3253 "While you are looking at the <command role=\"hg-cmd\">hg incoming</command> "
|
songdongsheng@667
|
3254 "output, and before you pull those changes, someone might have committed "
|
songdongsheng@667
|
3255 "something in the remote repository. This means that it's possible to pull "
|
songdongsheng@667
|
3256 "more changes than you saw when using <command role=\"hg-cmd\">hg incoming</"
|
songdongsheng@667
|
3257 "command>."
|
songdongsheng@667
|
3258 msgstr ""
|
songdongsheng@667
|
3259
|
songdongsheng@667
|
3260 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3261 #: ../en/ch01-tour-basic.xml:781
|
dongsheng@627
|
3262 msgid ""
|
dongsheng@627
|
3263 "Bringing changes into a repository is a simple matter of running the <command "
|
dongsheng@627
|
3264 "role=\"hg-cmd\">hg pull</command> command, and telling it which repository to "
|
dongsheng@627
|
3265 "pull from."
|
dongsheng@627
|
3266 msgstr ""
|
dongsheng@627
|
3267
|
dongsheng@627
|
3268 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3269 #: ../en/ch01-tour-basic.xml:788
|
dongsheng@627
|
3270 msgid ""
|
dongsheng@627
|
3271 "As you can see from the before-and-after output of <command role=\"hg-cmd"
|
dongsheng@627
|
3272 "\">hg tip</command>, we have successfully pulled changes into our "
|
dongsheng@627
|
3273 "repository. There remains one step before we can see these changes in the "
|
dongsheng@627
|
3274 "working directory."
|
dongsheng@627
|
3275 msgstr ""
|
dongsheng@627
|
3276
|
dongsheng@627
|
3277 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3278 #: ../en/ch01-tour-basic.xml:796
|
dongsheng@627
|
3279 msgid "Updating the working directory"
|
dongsheng@627
|
3280 msgstr "更新工作目录"
|
dongsheng@627
|
3281
|
dongsheng@627
|
3282 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3283 #: ../en/ch01-tour-basic.xml:798
|
dongsheng@627
|
3284 msgid ""
|
dongsheng@627
|
3285 "We have so far glossed over the relationship between a repository and its "
|
dongsheng@627
|
3286 "working directory. The <command role=\"hg-cmd\">hg pull</command> command "
|
songdongsheng@658
|
3287 "that we ran in <xref linkend=\"sec:tour:pull\"/> brought changes into the "
|
songdongsheng@658
|
3288 "repository, but if we check, there's no sign of those changes in the working "
|
songdongsheng@658
|
3289 "directory. This is because <command role=\"hg-cmd\">hg pull</command> does "
|
songdongsheng@658
|
3290 "not (by default) touch the working directory. Instead, we use the <command "
|
songdongsheng@658
|
3291 "role=\"hg-cmd\">hg update</command> command to do this."
|
songdongsheng@658
|
3292 msgstr ""
|
songdongsheng@658
|
3293
|
songdongsheng@658
|
3294 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3295 #: ../en/ch01-tour-basic.xml:810
|
dongsheng@627
|
3296 msgid ""
|
dongsheng@627
|
3297 "It might seem a bit strange that <command role=\"hg-cmd\">hg pull</command> "
|
dongsheng@627
|
3298 "doesn't update the working directory automatically. There's actually a good "
|
dongsheng@627
|
3299 "reason for this: you can use <command role=\"hg-cmd\">hg update</command> to "
|
dongsheng@627
|
3300 "update the working directory to the state it was in at <emphasis>any "
|
dongsheng@627
|
3301 "revision</emphasis> in the history of the repository. If you had the working "
|
songdongsheng@668
|
3302 "directory updated to an old revision&emdash;to hunt down the origin of a bug, "
|
songdongsheng@668
|
3303 "say&emdash;and ran a <command role=\"hg-cmd\">hg pull</command> which "
|
songdongsheng@668
|
3304 "automatically updated the working directory to a new revision, you might not "
|
songdongsheng@668
|
3305 "be terribly happy."
|
songdongsheng@667
|
3306 msgstr ""
|
songdongsheng@667
|
3307
|
songdongsheng@667
|
3308 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3309 #: ../en/ch01-tour-basic.xml:821
|
dongsheng@627
|
3310 msgid ""
|
dongsheng@627
|
3311 "However, since pull-then-update is such a common thing to do, Mercurial lets "
|
dongsheng@627
|
3312 "you combine the two by passing the <option role=\"hg-opt-pull\">-u</option> "
|
dongsheng@627
|
3313 "option to <command role=\"hg-cmd\">hg pull</command>."
|
dongsheng@627
|
3314 msgstr ""
|
dongsheng@627
|
3315
|
dongsheng@627
|
3316 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3317 #: ../en/ch01-tour-basic.xml:826
|
dongsheng@627
|
3318 msgid ""
|
dongsheng@627
|
3319 "If you look back at the output of <command role=\"hg-cmd\">hg pull</command> "
|
songdongsheng@658
|
3320 "in <xref linkend=\"sec:tour:pull\"/> when we ran it without <option role=\"hg-"
|
songdongsheng@658
|
3321 "opt-pull\">-u</option>, you can see that it printed a helpful reminder that "
|
songdongsheng@658
|
3322 "we'd have to take an explicit step to update the working directory:"
|
songdongsheng@658
|
3323 msgstr ""
|
songdongsheng@658
|
3324
|
songdongsheng@658
|
3325 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3326 #: ../en/ch01-tour-basic.xml:835
|
dongsheng@627
|
3327 msgid ""
|
dongsheng@627
|
3328 "To find out what revision the working directory is at, use the <command role="
|
dongsheng@627
|
3329 "\"hg-cmd\">hg parents</command> command."
|
dongsheng@627
|
3330 msgstr ""
|
dongsheng@627
|
3331
|
dongsheng@627
|
3332 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3333 #: ../en/ch01-tour-basic.xml:841
|
songdongsheng@658
|
3334 msgid ""
|
songdongsheng@658
|
3335 "If you look back at <xref linkend=\"fig:tour-basic:history\"/>, you'll see "
|
songdongsheng@658
|
3336 "arrows connecting each changeset. The node that the arrow leads "
|
songdongsheng@658
|
3337 "<emphasis>from</emphasis> in each case is a parent, and the node that the "
|
songdongsheng@658
|
3338 "arrow leads <emphasis>to</emphasis> is its child. The working directory has "
|
songdongsheng@658
|
3339 "a parent in just the same way; this is the changeset that the working "
|
songdongsheng@658
|
3340 "directory currently contains."
|
songdongsheng@658
|
3341 msgstr ""
|
songdongsheng@658
|
3342
|
songdongsheng@658
|
3343 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3344 #: ../en/ch01-tour-basic.xml:850
|
dongsheng@627
|
3345 msgid ""
|
dongsheng@627
|
3346 "To update the working directory to a particular revision, give a revision "
|
dongsheng@627
|
3347 "number or changeset ID to the <command role=\"hg-cmd\">hg update</command> "
|
dongsheng@627
|
3348 "command."
|
dongsheng@627
|
3349 msgstr ""
|
dongsheng@627
|
3350
|
dongsheng@627
|
3351 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3352 #: ../en/ch01-tour-basic.xml:857
|
dongsheng@627
|
3353 msgid ""
|
dongsheng@627
|
3354 "If you omit an explicit revision, <command role=\"hg-cmd\">hg update</"
|
dongsheng@627
|
3355 "command> will update to the tip revision, as shown by the second call to "
|
dongsheng@627
|
3356 "<command role=\"hg-cmd\">hg update</command> in the example above."
|
dongsheng@627
|
3357 msgstr ""
|
dongsheng@627
|
3358
|
dongsheng@627
|
3359 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3360 #: ../en/ch01-tour-basic.xml:865
|
dongsheng@627
|
3361 msgid "Pushing changes to another repository"
|
dongsheng@627
|
3362 msgstr "发布修改到其它版本库"
|
dongsheng@627
|
3363
|
dongsheng@627
|
3364 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3365 #: ../en/ch01-tour-basic.xml:867
|
dongsheng@627
|
3366 msgid ""
|
dongsheng@627
|
3367 "Mercurial lets us push changes to another repository, from the repository "
|
dongsheng@627
|
3368 "we're currently visiting. As with the example of <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
3369 "pull</command> above, we'll create a temporary repository to push our changes "
|
dongsheng@627
|
3370 "into."
|
dongsheng@627
|
3371 msgstr ""
|
dongsheng@627
|
3372
|
dongsheng@627
|
3373 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3374 #: ../en/ch01-tour-basic.xml:875
|
dongsheng@627
|
3375 msgid ""
|
dongsheng@627
|
3376 "The <command role=\"hg-cmd\">hg outgoing</command> command tells us what "
|
dongsheng@627
|
3377 "changes would be pushed into another repository."
|
dongsheng@627
|
3378 msgstr ""
|
dongsheng@627
|
3379
|
dongsheng@627
|
3380 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3381 #: ../en/ch01-tour-basic.xml:881
|
dongsheng@627
|
3382 msgid ""
|
dongsheng@627
|
3383 "And the <command role=\"hg-cmd\">hg push</command> command does the actual "
|
dongsheng@627
|
3384 "push."
|
dongsheng@627
|
3385 msgstr ""
|
dongsheng@627
|
3386
|
dongsheng@627
|
3387 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3388 #: ../en/ch01-tour-basic.xml:887
|
dongsheng@627
|
3389 msgid ""
|
dongsheng@627
|
3390 "As with <command role=\"hg-cmd\">hg pull</command>, the <command role=\"hg-cmd"
|
dongsheng@627
|
3391 "\">hg push</command> command does not update the working directory in the "
|
songdongsheng@667
|
3392 "repository that it's pushing changes into. Unlike <command role=\"hg-cmd\">hg "
|
songdongsheng@667
|
3393 "pull</command>, <command role=\"hg-cmd\">hg push</command> does not provide a "
|
songdongsheng@667
|
3394 "<literal>-u</literal> option that updates the other repository's working "
|
songdongsheng@667
|
3395 "directory. This asymmetry is deliberate: the repository we're pushing to "
|
songdongsheng@667
|
3396 "might be on a remote server and shared between several people. If we were to "
|
songdongsheng@667
|
3397 "update its working directory while someone was working in it, their work "
|
songdongsheng@667
|
3398 "would be disrupted."
|
songdongsheng@667
|
3399 msgstr ""
|
songdongsheng@667
|
3400
|
songdongsheng@667
|
3401 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3402 #: ../en/ch01-tour-basic.xml:899
|
dongsheng@627
|
3403 msgid ""
|
dongsheng@627
|
3404 "What happens if we try to pull or push changes and the receiving repository "
|
dongsheng@627
|
3405 "already has those changes? Nothing too exciting."
|
dongsheng@627
|
3406 msgstr ""
|
dongsheng@627
|
3407
|
dongsheng@627
|
3408 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@667
|
3409 #: ../en/ch01-tour-basic.xml:906
|
dongsheng@627
|
3410 msgid "Sharing changes over a network"
|
dongsheng@627
|
3411 msgstr "通过网络共享修改"
|
dongsheng@627
|
3412
|
dongsheng@627
|
3413 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3414 #: ../en/ch01-tour-basic.xml:908
|
dongsheng@627
|
3415 msgid ""
|
dongsheng@627
|
3416 "The commands we have covered in the previous few sections are not limited to "
|
dongsheng@627
|
3417 "working with local repositories. Each works in exactly the same fashion over "
|
dongsheng@627
|
3418 "a network connection; simply pass in a URL instead of a local path."
|
dongsheng@627
|
3419 msgstr ""
|
dongsheng@627
|
3420
|
dongsheng@627
|
3421 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@667
|
3422 #: ../en/ch01-tour-basic.xml:916
|
dongsheng@627
|
3423 msgid ""
|
dongsheng@627
|
3424 "In this example, we can see what changes we could push to the remote "
|
dongsheng@627
|
3425 "repository, but the repository is understandably not set up to let anonymous "
|
dongsheng@627
|
3426 "users push to it."
|
dongsheng@627
|
3427 msgstr ""
|
dongsheng@627
|
3428
|
dongsheng@627
|
3429 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
3430 #: ../en/ch02-tour-merge.xml:5
|
dongsheng@627
|
3431 msgid "A tour of Mercurial: merging work"
|
dongsheng@627
|
3432 msgstr "Mercurial 教程: 合并工作"
|
dongsheng@627
|
3433
|
dongsheng@627
|
3434 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
3435 #: ../en/ch02-tour-merge.xml:7
|
dongsheng@627
|
3436 msgid ""
|
dongsheng@627
|
3437 "We've now covered cloning a repository, making changes in a repository, and "
|
dongsheng@627
|
3438 "pulling or pushing changes from one repository into another. Our next step "
|
dongsheng@627
|
3439 "is <emphasis>merging</emphasis> changes from separate repositories."
|
dongsheng@627
|
3440 msgstr ""
|
dongsheng@627
|
3441
|
dongsheng@627
|
3442 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
3443 #: ../en/ch02-tour-merge.xml:13
|
dongsheng@627
|
3444 msgid "Merging streams of work"
|
dongsheng@627
|
3445 msgstr "合并的流程"
|
dongsheng@627
|
3446
|
dongsheng@627
|
3447 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
3448 #: ../en/ch02-tour-merge.xml:15
|
dongsheng@627
|
3449 msgid ""
|
dongsheng@627
|
3450 "Merging is a fundamental part of working with a distributed revision control "
|
dongsheng@627
|
3451 "tool."
|
dongsheng@627
|
3452 msgstr ""
|
dongsheng@627
|
3453
|
dongsheng@627
|
3454 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
3455 #: ../en/ch02-tour-merge.xml:18
|
dongsheng@627
|
3456 msgid ""
|
dongsheng@627
|
3457 "Alice and Bob each have a personal copy of a repository for a project they're "
|
dongsheng@627
|
3458 "collaborating on. Alice fixes a bug in her repository; Bob adds a new "
|
dongsheng@627
|
3459 "feature in his. They want the shared repository to contain both the bug fix "
|
dongsheng@627
|
3460 "and the new feature."
|
dongsheng@627
|
3461 msgstr ""
|
dongsheng@627
|
3462
|
dongsheng@627
|
3463 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
3464 #: ../en/ch02-tour-merge.xml:24
|
dongsheng@627
|
3465 msgid ""
|
dongsheng@627
|
3466 "I frequently work on several different tasks for a single project at once, "
|
dongsheng@627
|
3467 "each safely isolated in its own repository. Working this way means that I "
|
dongsheng@627
|
3468 "often need to merge one piece of my own work with another."
|
dongsheng@627
|
3469 msgstr ""
|
dongsheng@627
|
3470
|
dongsheng@627
|
3471 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
3472 #: ../en/ch02-tour-merge.xml:30
|
dongsheng@627
|
3473 msgid ""
|
dongsheng@627
|
3474 "Because merging is such a common thing to need to do, Mercurial makes it "
|
dongsheng@627
|
3475 "easy. Let's walk through the process. We'll begin by cloning yet another "
|
dongsheng@627
|
3476 "repository (see how often they spring up?) and making a change in it."
|
dongsheng@627
|
3477 msgstr ""
|
dongsheng@627
|
3478
|
dongsheng@627
|
3479 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
3480 #: ../en/ch02-tour-merge.xml:37
|
dongsheng@627
|
3481 msgid ""
|
dongsheng@627
|
3482 "We should now have two copies of <filename>hello.c</filename> with different "
|
dongsheng@627
|
3483 "contents. The histories of the two repositories have also diverged, as "
|
songdongsheng@658
|
3484 "illustrated in <xref linkend=\"fig:tour-merge:sep-repos\"/>."
|
songdongsheng@658
|
3485 msgstr ""
|
songdongsheng@658
|
3486
|
songdongsheng@658
|
3487 #. type: Content of: <book><chapter><sect1><figure><title>
|
songdongsheng@658
|
3488 #: ../en/ch02-tour-merge.xml:46
|
dongsheng@627
|
3489 msgid ""
|
dongsheng@627
|
3490 "Divergent recent histories of the <filename class=\"directory\">my-hello</"
|
dongsheng@627
|
3491 "filename> and <filename class=\"directory\">my-new-hello</filename> "
|
dongsheng@627
|
3492 "repositories"
|
dongsheng@627
|
3493 msgstr ""
|
dongsheng@660
|
3494 "<filename class=\"directory\">my-hello</filename> 与 <filename class="
|
dongsheng@660
|
3495 "\"directory\">my-new-hello</filename> 最新的历史分叉"
|
dongsheng@627
|
3496
|
songdongsheng@658
|
3497 #. type: Content of: <book><chapter><sect1><figure><mediaobject>
|
songdongsheng@658
|
3498 #: ../en/ch02-tour-merge.xml:51
|
songdongsheng@658
|
3499 msgid ""
|
songdongsheng@658
|
3500 "<imageobject><imagedata fileref=\"figs/tour-merge-sep-repos.png\"/></"
|
songdongsheng@658
|
3501 "imageobject>"
|
songdongsheng@658
|
3502 msgstr ""
|
songdongsheng@658
|
3503
|
songdongsheng@658
|
3504 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3505 #: ../en/ch02-tour-merge.xml:56
|
dongsheng@627
|
3506 msgid ""
|
dongsheng@627
|
3507 "We already know that pulling changes from our <filename class=\"directory"
|
dongsheng@627
|
3508 "\">my-hello</filename> repository will have no effect on the working "
|
dongsheng@627
|
3509 "directory."
|
dongsheng@627
|
3510 msgstr ""
|
dongsheng@627
|
3511
|
dongsheng@627
|
3512 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3513 #: ../en/ch02-tour-merge.xml:62
|
dongsheng@627
|
3514 msgid ""
|
dongsheng@627
|
3515 "However, the <command role=\"hg-cmd\">hg pull</command> command says "
|
dongsheng@627
|
3516 "something about <quote>heads</quote>."
|
dongsheng@627
|
3517 msgstr ""
|
dongsheng@627
|
3518
|
dongsheng@627
|
3519 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
3520 #: ../en/ch02-tour-merge.xml:66
|
dongsheng@627
|
3521 msgid "Head changesets"
|
songdongsheng@665
|
3522 msgstr "顶点修改集"
|
dongsheng@627
|
3523
|
dongsheng@627
|
3524 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3525 #: ../en/ch02-tour-merge.xml:68
|
dongsheng@627
|
3526 msgid ""
|
dongsheng@627
|
3527 "A head is a change that has no descendants, or children, as they're also "
|
dongsheng@627
|
3528 "known. The tip revision is thus a head, because the newest revision in a "
|
dongsheng@627
|
3529 "repository doesn't have any children, but a repository can contain more than "
|
dongsheng@627
|
3530 "one head."
|
dongsheng@627
|
3531 msgstr ""
|
dongsheng@627
|
3532
|
songdongsheng@658
|
3533 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
3534 #: ../en/ch02-tour-merge.xml:75
|
dongsheng@627
|
3535 msgid ""
|
dongsheng@627
|
3536 "Repository contents after pulling from <filename class=\"directory\">my-"
|
dongsheng@627
|
3537 "hello</filename> into <filename class=\"directory\">my-new-hello</filename>"
|
dongsheng@627
|
3538 msgstr ""
|
dongsheng@660
|
3539 "从 <filename class=\"directory\">my-hello</filename> 拉到 <filename class="
|
dongsheng@660
|
3540 "\"directory\">my-new-hello</filename> 之后版本库的内容"
|
dongsheng@627
|
3541
|
songdongsheng@658
|
3542 #. type: Content of: <book><chapter><sect1><sect2><figure>
|
songdongsheng@658
|
3543 #: ../en/ch02-tour-merge.xml:78 ../en/ch02-tour-merge.xml:125
|
songdongsheng@658
|
3544 #: ../en/ch02-tour-merge.xml:250 ../en/ch03-concepts.xml:55
|
songdongsheng@658
|
3545 #: ../en/ch03-concepts.xml:104 ../en/ch03-concepts.xml:189
|
songdongsheng@658
|
3546 #: ../en/ch03-concepts.xml:344 ../en/ch03-concepts.xml:359
|
songdongsheng@658
|
3547 #: ../en/ch03-concepts.xml:400 ../en/ch03-concepts.xml:420
|
songdongsheng@658
|
3548 #: ../en/ch03-concepts.xml:461 ../en/ch05-collab.xml:274
|
songdongsheng@658
|
3549 #: ../en/ch08-undo.xml:363 ../en/ch08-undo.xml:410 ../en/ch08-undo.xml:475
|
songdongsheng@658
|
3550 #: ../en/ch08-undo.xml:513 ../en/ch11-mq.xml:410
|
songdongsheng@658
|
3551 msgid " <placeholder type=\"mediaobject\" id=\"0\"/>"
|
songdongsheng@658
|
3552 msgstr ""
|
songdongsheng@658
|
3553
|
songdongsheng@658
|
3554 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
3555 #: ../en/ch02-tour-merge.xml:79
|
songdongsheng@658
|
3556 msgid ""
|
songdongsheng@658
|
3557 "<imageobject> <imagedata fileref=\"figs/tour-merge-pull.png\"/> </imageobject>"
|
songdongsheng@658
|
3558 msgstr ""
|
songdongsheng@658
|
3559
|
songdongsheng@658
|
3560 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3561 #: ../en/ch02-tour-merge.xml:86
|
songdongsheng@658
|
3562 msgid ""
|
songdongsheng@658
|
3563 "In <xref linkend=\"fig:tour-merge:pull\"/>, you can see the effect of the "
|
songdongsheng@658
|
3564 "pull from <filename class=\"directory\">my-hello</filename> into <filename "
|
songdongsheng@658
|
3565 "class=\"directory\">my-new-hello</filename>. The history that was already "
|
songdongsheng@658
|
3566 "present in <filename class=\"directory\">my-new-hello</filename> is "
|
songdongsheng@658
|
3567 "untouched, but a new revision has been added. By referring to <xref linkend="
|
songdongsheng@658
|
3568 "\"fig:tour-merge:sep-repos\"/>, we can see that the <emphasis>changeset ID</"
|
songdongsheng@658
|
3569 "emphasis> remains the same in the new repository, but the <emphasis>revision "
|
songdongsheng@658
|
3570 "number</emphasis> has changed. (This, incidentally, is a fine example of why "
|
songdongsheng@658
|
3571 "it's not safe to use revision numbers when discussing changesets.) We can "
|
songdongsheng@658
|
3572 "view the heads in a repository using the <command role=\"hg-cmd\">hg heads</"
|
songdongsheng@658
|
3573 "command> command."
|
dongsheng@627
|
3574 msgstr ""
|
dongsheng@627
|
3575
|
dongsheng@627
|
3576 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
3577 #: ../en/ch02-tour-merge.xml:105
|
dongsheng@627
|
3578 msgid "Performing the merge"
|
dongsheng@627
|
3579 msgstr "执行合并"
|
dongsheng@627
|
3580
|
dongsheng@627
|
3581 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3582 #: ../en/ch02-tour-merge.xml:107
|
dongsheng@627
|
3583 msgid ""
|
dongsheng@627
|
3584 "What happens if we try to use the normal <command role=\"hg-cmd\">hg update</"
|
dongsheng@627
|
3585 "command> command to update to the new tip?"
|
dongsheng@627
|
3586 msgstr ""
|
dongsheng@627
|
3587
|
dongsheng@627
|
3588 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3589 #: ../en/ch02-tour-merge.xml:113
|
dongsheng@627
|
3590 msgid ""
|
dongsheng@627
|
3591 "Mercurial is telling us that the <command role=\"hg-cmd\">hg update</command> "
|
dongsheng@627
|
3592 "command won't do a merge; it won't update the working directory when it "
|
dongsheng@627
|
3593 "thinks we might be wanting to do a merge, unless we force it to do so. "
|
dongsheng@627
|
3594 "Instead, we use the <command role=\"hg-cmd\">hg merge</command> command to "
|
dongsheng@627
|
3595 "merge the two heads."
|
dongsheng@627
|
3596 msgstr ""
|
dongsheng@627
|
3597
|
songdongsheng@658
|
3598 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
3599 #: ../en/ch02-tour-merge.xml:123
|
songdongsheng@658
|
3600 msgid "Working directory and repository during merge, and following commit"
|
dongsheng@660
|
3601 msgstr "在合并期间,以及提交之后的工作目录与版本库"
|
songdongsheng@658
|
3602
|
songdongsheng@658
|
3603 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
3604 #: ../en/ch02-tour-merge.xml:126
|
songdongsheng@658
|
3605 msgid ""
|
songdongsheng@658
|
3606 "<imageobject> <imagedata fileref=\"figs/tour-merge-merge.png\"/> </"
|
dongsheng@627
|
3607 "imageobject>"
|
dongsheng@627
|
3608 msgstr ""
|
dongsheng@627
|
3609
|
songdongsheng@658
|
3610 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3611 #: ../en/ch02-tour-merge.xml:133
|
dongsheng@627
|
3612 msgid ""
|
dongsheng@627
|
3613 "This updates the working directory so that it contains changes from "
|
dongsheng@627
|
3614 "<emphasis>both</emphasis> heads, which is reflected in both the output of "
|
dongsheng@627
|
3615 "<command role=\"hg-cmd\">hg parents</command> and the contents of "
|
dongsheng@627
|
3616 "<filename>hello.c</filename>."
|
dongsheng@627
|
3617 msgstr ""
|
dongsheng@627
|
3618
|
dongsheng@627
|
3619 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
3620 #: ../en/ch02-tour-merge.xml:143
|
dongsheng@627
|
3621 msgid "Committing the results of the merge"
|
dongsheng@627
|
3622 msgstr "提交合并结果"
|
dongsheng@627
|
3623
|
dongsheng@627
|
3624 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3625 #: ../en/ch02-tour-merge.xml:145
|
dongsheng@627
|
3626 msgid ""
|
dongsheng@627
|
3627 "Whenever we've done a merge, <command role=\"hg-cmd\">hg parents</command> "
|
dongsheng@627
|
3628 "will display two parents until we <command role=\"hg-cmd\">hg commit</"
|
dongsheng@627
|
3629 "command> the results of the merge."
|
dongsheng@627
|
3630 msgstr ""
|
dongsheng@627
|
3631
|
dongsheng@627
|
3632 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3633 #: ../en/ch02-tour-merge.xml:152
|
dongsheng@627
|
3634 msgid ""
|
dongsheng@627
|
3635 "We now have a new tip revision; notice that it has <emphasis>both</emphasis> "
|
dongsheng@627
|
3636 "of our former heads as its parents. These are the same revisions that were "
|
dongsheng@627
|
3637 "previously displayed by <command role=\"hg-cmd\">hg parents</command>."
|
dongsheng@627
|
3638 msgstr ""
|
dongsheng@627
|
3639
|
dongsheng@627
|
3640 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3641 #: ../en/ch02-tour-merge.xml:159
|
songdongsheng@658
|
3642 msgid ""
|
songdongsheng@658
|
3643 "In <xref linkend=\"fig:tour-merge:merge\"/>, you can see a representation of "
|
songdongsheng@658
|
3644 "what happens to the working directory during the merge, and how this affects "
|
songdongsheng@658
|
3645 "the repository when the commit happens. During the merge, the working "
|
songdongsheng@658
|
3646 "directory has two parent changesets, and these become the parents of the new "
|
songdongsheng@658
|
3647 "changeset."
|
dongsheng@627
|
3648 msgstr ""
|
dongsheng@627
|
3649
|
dongsheng@627
|
3650 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
3651 #: ../en/ch02-tour-merge.xml:170
|
dongsheng@627
|
3652 msgid "Merging conflicting changes"
|
dongsheng@627
|
3653 msgstr "合并有冲突的改变"
|
dongsheng@627
|
3654
|
dongsheng@627
|
3655 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3656 #: ../en/ch02-tour-merge.xml:172
|
dongsheng@627
|
3657 msgid ""
|
dongsheng@627
|
3658 "Most merges are simple affairs, but sometimes you'll find yourself merging "
|
dongsheng@627
|
3659 "changes where each modifies the same portions of the same files. Unless both "
|
dongsheng@627
|
3660 "modifications are identical, this results in a <emphasis>conflict</emphasis>, "
|
dongsheng@627
|
3661 "where you have to decide how to reconcile the different changes into "
|
dongsheng@627
|
3662 "something coherent."
|
dongsheng@627
|
3663 msgstr ""
|
dongsheng@627
|
3664
|
songdongsheng@658
|
3665 #. type: Content of: <book><chapter><sect1><figure><title>
|
dongsheng@650
|
3666 #: ../en/ch02-tour-merge.xml:180
|
songdongsheng@658
|
3667 msgid "Conflicting changes to a document"
|
dongsheng@660
|
3668 msgstr "冲突的修改"
|
songdongsheng@658
|
3669
|
songdongsheng@658
|
3670 #. type: Content of: <book><chapter><sect1><figure><mediaobject>
|
songdongsheng@658
|
3671 #: ../en/ch02-tour-merge.xml:182
|
songdongsheng@658
|
3672 msgid ""
|
songdongsheng@658
|
3673 "<imageobject><imagedata fileref=\"figs/tour-merge-conflict.png\"/></"
|
dongsheng@627
|
3674 "imageobject>"
|
dongsheng@627
|
3675 msgstr ""
|
dongsheng@627
|
3676
|
songdongsheng@658
|
3677 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3678 #: ../en/ch02-tour-merge.xml:187
|
songdongsheng@658
|
3679 msgid ""
|
songdongsheng@658
|
3680 "<xref linkend=\"fig:tour-merge:conflict\"/> illustrates an instance of two "
|
songdongsheng@658
|
3681 "conflicting changes to a document. We started with a single version of the "
|
songdongsheng@658
|
3682 "file; then we made some changes; while someone else made different changes to "
|
songdongsheng@658
|
3683 "the same text. Our task in resolving the conflicting changes is to decide "
|
songdongsheng@658
|
3684 "what the file should look like."
|
songdongsheng@658
|
3685 msgstr ""
|
songdongsheng@658
|
3686
|
songdongsheng@658
|
3687 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3688 #: ../en/ch02-tour-merge.xml:194
|
dongsheng@627
|
3689 msgid ""
|
dongsheng@627
|
3690 "Mercurial doesn't have a built-in facility for handling conflicts. Instead, "
|
dongsheng@627
|
3691 "it runs an external program called <command>hgmerge</command>. This is a "
|
dongsheng@627
|
3692 "shell script that is bundled with Mercurial; you can change it to behave "
|
dongsheng@627
|
3693 "however you please. What it does by default is try to find one of several "
|
dongsheng@627
|
3694 "different merging tools that are likely to be installed on your system. It "
|
dongsheng@627
|
3695 "first tries a few fully automatic merging tools; if these don't succeed "
|
dongsheng@627
|
3696 "(because the resolution process requires human guidance) or aren't present, "
|
dongsheng@627
|
3697 "the script tries a few different graphical merging tools."
|
dongsheng@627
|
3698 msgstr ""
|
dongsheng@627
|
3699
|
dongsheng@627
|
3700 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3701 #: ../en/ch02-tour-merge.xml:205
|
dongsheng@627
|
3702 msgid ""
|
dongsheng@627
|
3703 "It's also possible to get Mercurial to run another program or script instead "
|
dongsheng@627
|
3704 "of <command>hgmerge</command>, by setting the <envar>HGMERGE</envar> "
|
dongsheng@627
|
3705 "environment variable to the name of your preferred program."
|
dongsheng@627
|
3706 msgstr ""
|
dongsheng@627
|
3707
|
dongsheng@627
|
3708 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
3709 #: ../en/ch02-tour-merge.xml:211
|
dongsheng@627
|
3710 msgid "Using a graphical merge tool"
|
dongsheng@627
|
3711 msgstr "使用图形合并工具"
|
dongsheng@627
|
3712
|
dongsheng@627
|
3713 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3714 #: ../en/ch02-tour-merge.xml:213
|
dongsheng@627
|
3715 msgid ""
|
dongsheng@627
|
3716 "My preferred graphical merge tool is <command>kdiff3</command>, which I'll "
|
dongsheng@627
|
3717 "use to describe the features that are common to graphical file merging "
|
dongsheng@627
|
3718 "tools. You can see a screenshot of <command>kdiff3</command> in action in "
|
songdongsheng@658
|
3719 "<xref linkend=\"fig:tour-merge:kdiff3\"/>. The kind of merge it is "
|
songdongsheng@658
|
3720 "performing is called a <emphasis>three-way merge</emphasis>, because there "
|
songdongsheng@658
|
3721 "are three different versions of the file of interest to us. The tool thus "
|
songdongsheng@658
|
3722 "splits the upper portion of the window into three panes:"
|
dongsheng@627
|
3723 msgstr ""
|
dongsheng@627
|
3724
|
dongsheng@627
|
3725 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
3726 #: ../en/ch02-tour-merge.xml:223
|
dongsheng@627
|
3727 msgid ""
|
dongsheng@627
|
3728 "At the left is the <emphasis>base</emphasis> version of the file, i.e. the "
|
dongsheng@627
|
3729 "most recent version from which the two versions we're trying to merge are "
|
dongsheng@627
|
3730 "descended."
|
dongsheng@627
|
3731 msgstr ""
|
dongsheng@627
|
3732
|
dongsheng@627
|
3733 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
3734 #: ../en/ch02-tour-merge.xml:228
|
dongsheng@627
|
3735 msgid ""
|
dongsheng@627
|
3736 "In the middle is <quote>our</quote> version of the file, with the contents "
|
dongsheng@627
|
3737 "that we modified."
|
dongsheng@627
|
3738 msgstr ""
|
dongsheng@627
|
3739
|
dongsheng@627
|
3740 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
3741 #: ../en/ch02-tour-merge.xml:231
|
dongsheng@627
|
3742 msgid ""
|
dongsheng@627
|
3743 "On the right is <quote>their</quote> version of the file, the one that from "
|
dongsheng@627
|
3744 "the changeset that we're trying to merge with."
|
dongsheng@627
|
3745 msgstr ""
|
dongsheng@627
|
3746
|
dongsheng@627
|
3747 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3748 #: ../en/ch02-tour-merge.xml:235
|
dongsheng@627
|
3749 msgid ""
|
dongsheng@627
|
3750 "In the pane below these is the current <emphasis>result</emphasis> of the "
|
dongsheng@627
|
3751 "merge. Our task is to replace all of the red text, which indicates unresolved "
|
dongsheng@627
|
3752 "conflicts, with some sensible merger of the <quote>ours</quote> and "
|
dongsheng@627
|
3753 "<quote>theirs</quote> versions of the file."
|
dongsheng@627
|
3754 msgstr ""
|
dongsheng@627
|
3755
|
dongsheng@627
|
3756 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3757 #: ../en/ch02-tour-merge.xml:242
|
dongsheng@627
|
3758 msgid ""
|
dongsheng@627
|
3759 "All four of these panes are <emphasis>locked together</emphasis>; if we "
|
dongsheng@627
|
3760 "scroll vertically or horizontally in any of them, the others are updated to "
|
dongsheng@627
|
3761 "display the corresponding sections of their respective files."
|
dongsheng@627
|
3762 msgstr ""
|
dongsheng@627
|
3763
|
songdongsheng@658
|
3764 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
3765 #: ../en/ch02-tour-merge.xml:248
|
songdongsheng@658
|
3766 msgid "Using <command>kdiff3</command> to merge versions of a file"
|
dongsheng@660
|
3767 msgstr "使用 <command>kdiff3</command> 合并文件的不同版本"
|
songdongsheng@658
|
3768
|
songdongsheng@658
|
3769 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
3770 #: ../en/ch02-tour-merge.xml:251
|
songdongsheng@658
|
3771 msgid ""
|
songdongsheng@658
|
3772 "<imageobject> <imagedata width=\"100%\" fileref=\"figs/kdiff3.png\"/></"
|
dongsheng@630
|
3773 "imageobject>"
|
dongsheng@627
|
3774 msgstr ""
|
dongsheng@627
|
3775
|
songdongsheng@658
|
3776 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3777 #: ../en/ch02-tour-merge.xml:259
|
dongsheng@627
|
3778 msgid ""
|
dongsheng@627
|
3779 "For each conflicting portion of the file, we can choose to resolve the "
|
dongsheng@627
|
3780 "conflict using some combination of text from the base version, ours, or "
|
dongsheng@627
|
3781 "theirs. We can also manually edit the merged file at any time, in case we "
|
dongsheng@627
|
3782 "need to make further modifications."
|
dongsheng@627
|
3783 msgstr ""
|
dongsheng@627
|
3784
|
dongsheng@627
|
3785 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3786 #: ../en/ch02-tour-merge.xml:265
|
dongsheng@627
|
3787 msgid ""
|
dongsheng@627
|
3788 "There are <emphasis>many</emphasis> file merging tools available, too many to "
|
dongsheng@627
|
3789 "cover here. They vary in which platforms they are available for, and in "
|
dongsheng@627
|
3790 "their particular strengths and weaknesses. Most are tuned for merging files "
|
dongsheng@627
|
3791 "containing plain text, while a few are aimed at specialised file formats "
|
dongsheng@627
|
3792 "(generally XML)."
|
dongsheng@627
|
3793 msgstr ""
|
dongsheng@627
|
3794
|
dongsheng@627
|
3795 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
3796 #: ../en/ch02-tour-merge.xml:274
|
dongsheng@627
|
3797 msgid "A worked example"
|
dongsheng@627
|
3798 msgstr "合并实例"
|
dongsheng@627
|
3799
|
dongsheng@627
|
3800 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3801 #: ../en/ch02-tour-merge.xml:276
|
songdongsheng@658
|
3802 msgid ""
|
songdongsheng@658
|
3803 "In this example, we will reproduce the file modification history of <xref "
|
songdongsheng@658
|
3804 "linkend=\"fig:tour-merge:conflict\"/> above. Let's begin by creating a "
|
songdongsheng@658
|
3805 "repository with a base version of our document."
|
songdongsheng@658
|
3806 msgstr ""
|
songdongsheng@658
|
3807
|
songdongsheng@658
|
3808 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3809 #: ../en/ch02-tour-merge.xml:283
|
dongsheng@627
|
3810 msgid "We'll clone the repository and make a change to the file."
|
dongsheng@627
|
3811 msgstr ""
|
dongsheng@627
|
3812
|
dongsheng@627
|
3813 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3814 #: ../en/ch02-tour-merge.xml:288
|
dongsheng@627
|
3815 msgid ""
|
dongsheng@627
|
3816 "And another clone, to simulate someone else making a change to the file. "
|
dongsheng@627
|
3817 "(This hints at the idea that it's not all that unusual to merge with yourself "
|
dongsheng@627
|
3818 "when you isolate tasks in separate repositories, and indeed to find and "
|
dongsheng@627
|
3819 "resolve conflicts while doing so.)"
|
dongsheng@627
|
3820 msgstr ""
|
dongsheng@627
|
3821
|
dongsheng@627
|
3822 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3823 #: ../en/ch02-tour-merge.xml:296
|
dongsheng@627
|
3824 msgid ""
|
dongsheng@627
|
3825 "Having created two different versions of the file, we'll set up an "
|
dongsheng@627
|
3826 "environment suitable for running our merge."
|
dongsheng@627
|
3827 msgstr ""
|
dongsheng@627
|
3828
|
dongsheng@627
|
3829 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3830 #: ../en/ch02-tour-merge.xml:302
|
dongsheng@627
|
3831 msgid ""
|
dongsheng@627
|
3832 "In this example, I won't use Mercurial's normal <command>hgmerge</command> "
|
dongsheng@627
|
3833 "program to do the merge, because it would drop my nice automated example-"
|
dongsheng@627
|
3834 "running tool into a graphical user interface. Instead, I'll set "
|
dongsheng@627
|
3835 "<envar>HGMERGE</envar> to tell Mercurial to use the non-interactive "
|
dongsheng@627
|
3836 "<command>merge</command> command. This is bundled with many Unix-like "
|
dongsheng@627
|
3837 "systems. If you're following this example on your computer, don't bother "
|
dongsheng@627
|
3838 "setting <envar>HGMERGE</envar>."
|
dongsheng@627
|
3839 msgstr ""
|
dongsheng@627
|
3840
|
dongsheng@627
|
3841 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3842 #: ../en/ch02-tour-merge.xml:312
|
dongsheng@627
|
3843 msgid "<emphasis role=\"bold\">XXX FIX THIS EXAMPLE.</emphasis>"
|
dongsheng@627
|
3844 msgstr ""
|
dongsheng@627
|
3845
|
dongsheng@627
|
3846 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3847 #: ../en/ch02-tour-merge.xml:317
|
dongsheng@627
|
3848 msgid ""
|
dongsheng@627
|
3849 "Because <command>merge</command> can't resolve the conflicting changes, it "
|
dongsheng@627
|
3850 "leaves <emphasis>merge markers</emphasis> inside the file that has conflicts, "
|
dongsheng@627
|
3851 "indicating which lines have conflicts, and whether they came from our version "
|
dongsheng@627
|
3852 "of the file or theirs."
|
dongsheng@627
|
3853 msgstr ""
|
dongsheng@627
|
3854
|
dongsheng@627
|
3855 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3856 #: ../en/ch02-tour-merge.xml:323
|
dongsheng@627
|
3857 msgid ""
|
dongsheng@627
|
3858 "Mercurial can tell from the way <command>merge</command> exits that it wasn't "
|
dongsheng@627
|
3859 "able to merge successfully, so it tells us what commands we'll need to run if "
|
dongsheng@627
|
3860 "we want to redo the merging operation. This could be useful if, for example, "
|
dongsheng@627
|
3861 "we were running a graphical merge tool and quit because we were confused or "
|
dongsheng@627
|
3862 "realised we had made a mistake."
|
dongsheng@627
|
3863 msgstr ""
|
dongsheng@627
|
3864
|
dongsheng@627
|
3865 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
3866 #: ../en/ch02-tour-merge.xml:330
|
dongsheng@627
|
3867 msgid ""
|
dongsheng@627
|
3868 "If automatic or manual merges fail, there's nothing to prevent us from "
|
dongsheng@627
|
3869 "<quote>fixing up</quote> the affected files ourselves, and committing the "
|
dongsheng@627
|
3870 "results of our merge:"
|
dongsheng@627
|
3871 msgstr ""
|
dongsheng@627
|
3872
|
dongsheng@627
|
3873 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
3874 #: ../en/ch02-tour-merge.xml:339
|
dongsheng@627
|
3875 msgid "Simplifying the pull-merge-commit sequence"
|
dongsheng@627
|
3876 msgstr "简化拉-合并-提交程序"
|
dongsheng@627
|
3877
|
dongsheng@627
|
3878 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3879 #: ../en/ch02-tour-merge.xml:341
|
dongsheng@627
|
3880 msgid ""
|
dongsheng@627
|
3881 "The process of merging changes as outlined above is straightforward, but "
|
dongsheng@627
|
3882 "requires running three commands in sequence."
|
dongsheng@627
|
3883 msgstr ""
|
dongsheng@627
|
3884
|
dongsheng@627
|
3885 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3886 #: ../en/ch02-tour-merge.xml:347
|
dongsheng@627
|
3887 msgid ""
|
dongsheng@627
|
3888 "In the case of the final commit, you also need to enter a commit message, "
|
dongsheng@627
|
3889 "which is almost always going to be a piece of uninteresting "
|
dongsheng@627
|
3890 "<quote>boilerplate</quote> text."
|
dongsheng@627
|
3891 msgstr ""
|
dongsheng@627
|
3892
|
dongsheng@627
|
3893 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3894 #: ../en/ch02-tour-merge.xml:351
|
dongsheng@627
|
3895 msgid ""
|
dongsheng@627
|
3896 "It would be nice to reduce the number of steps needed, if this were "
|
dongsheng@627
|
3897 "possible. Indeed, Mercurial is distributed with an extension called <literal "
|
dongsheng@627
|
3898 "role=\"hg-ext\">fetch</literal> that does just this."
|
dongsheng@627
|
3899 msgstr ""
|
dongsheng@627
|
3900
|
dongsheng@627
|
3901 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3902 #: ../en/ch02-tour-merge.xml:356
|
dongsheng@627
|
3903 msgid ""
|
dongsheng@627
|
3904 "Mercurial provides a flexible extension mechanism that lets people extend its "
|
dongsheng@627
|
3905 "functionality, while keeping the core of Mercurial small and easy to deal "
|
dongsheng@627
|
3906 "with. Some extensions add new commands that you can use from the command "
|
dongsheng@627
|
3907 "line, while others work <quote>behind the scenes,</quote> for example adding "
|
dongsheng@627
|
3908 "capabilities to the server."
|
dongsheng@627
|
3909 msgstr ""
|
dongsheng@627
|
3910
|
dongsheng@627
|
3911 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3912 #: ../en/ch02-tour-merge.xml:363
|
dongsheng@627
|
3913 msgid ""
|
dongsheng@627
|
3914 "The <literal role=\"hg-ext\">fetch</literal> extension adds a new command "
|
dongsheng@627
|
3915 "called, not surprisingly, <command role=\"hg-cmd\">hg fetch</command>. This "
|
dongsheng@627
|
3916 "extension acts as a combination of <command role=\"hg-cmd\">hg pull</"
|
dongsheng@627
|
3917 "command>, <command role=\"hg-cmd\">hg update</command> and <command role=\"hg-"
|
dongsheng@627
|
3918 "cmd\">hg merge</command>. It begins by pulling changes from another "
|
dongsheng@627
|
3919 "repository into the current repository. If it finds that the changes added a "
|
dongsheng@627
|
3920 "new head to the repository, it begins a merge, then commits the result of the "
|
dongsheng@627
|
3921 "merge with an automatically-generated commit message. If no new heads were "
|
dongsheng@627
|
3922 "added, it updates the working directory to the new tip changeset."
|
dongsheng@627
|
3923 msgstr ""
|
dongsheng@627
|
3924
|
dongsheng@627
|
3925 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3926 #: ../en/ch02-tour-merge.xml:376
|
dongsheng@627
|
3927 msgid ""
|
dongsheng@627
|
3928 "Enabling the <literal role=\"hg-ext\">fetch</literal> extension is easy. "
|
dongsheng@627
|
3929 "Edit your <filename role=\"special\">.hgrc</filename>, and either go to the "
|
dongsheng@627
|
3930 "<literal role=\"rc-extensions\">extensions</literal> section or create an "
|
dongsheng@627
|
3931 "<literal role=\"rc-extensions\">extensions</literal> section. Then add a line "
|
dongsheng@627
|
3932 "that simply reads <quote><literal>fetch </literal></quote>."
|
dongsheng@627
|
3933 msgstr ""
|
dongsheng@627
|
3934
|
dongsheng@627
|
3935 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
3936 #: ../en/ch02-tour-merge.xml:385
|
dongsheng@627
|
3937 msgid ""
|
dongsheng@627
|
3938 "(Normally, on the right-hand side of the <quote><literal>=</literal></quote> "
|
dongsheng@627
|
3939 "would appear the location of the extension, but since the <literal role=\"hg-"
|
dongsheng@627
|
3940 "ext\">fetch</literal> extension is in the standard distribution, Mercurial "
|
dongsheng@627
|
3941 "knows where to search for it.)"
|
dongsheng@627
|
3942 msgstr ""
|
dongsheng@627
|
3943
|
dongsheng@627
|
3944 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
3945 #: ../en/ch03-concepts.xml:5
|
dongsheng@627
|
3946 msgid "Behind the scenes"
|
dongsheng@627
|
3947 msgstr "Mercurial 内幕"
|
dongsheng@627
|
3948
|
dongsheng@627
|
3949 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
3950 #: ../en/ch03-concepts.xml:7
|
dongsheng@627
|
3951 msgid ""
|
dongsheng@627
|
3952 "Unlike many revision control systems, the concepts upon which Mercurial is "
|
dongsheng@627
|
3953 "built are simple enough that it's easy to understand how the software really "
|
dongsheng@627
|
3954 "works. Knowing this certainly isn't necessary, but I find it useful to have "
|
dongsheng@627
|
3955 "a <quote>mental model</quote> of what's going on."
|
dongsheng@627
|
3956 msgstr ""
|
dongsheng@627
|
3957
|
dongsheng@627
|
3958 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
3959 #: ../en/ch03-concepts.xml:13
|
dongsheng@627
|
3960 msgid ""
|
dongsheng@627
|
3961 "This understanding gives me confidence that Mercurial has been carefully "
|
dongsheng@627
|
3962 "designed to be both <emphasis>safe</emphasis> and <emphasis>efficient</"
|
dongsheng@627
|
3963 "emphasis>. And just as importantly, if it's easy for me to retain a good "
|
dongsheng@627
|
3964 "idea of what the software is doing when I perform a revision control task, "
|
dongsheng@627
|
3965 "I'm less likely to be surprised by its behaviour."
|
dongsheng@627
|
3966 msgstr ""
|
dongsheng@627
|
3967
|
dongsheng@627
|
3968 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
3969 #: ../en/ch03-concepts.xml:20
|
dongsheng@627
|
3970 msgid ""
|
dongsheng@627
|
3971 "In this chapter, we'll initially cover the core concepts behind Mercurial's "
|
dongsheng@627
|
3972 "design, then continue to discuss some of the interesting details of its "
|
dongsheng@627
|
3973 "implementation."
|
dongsheng@627
|
3974 msgstr ""
|
dongsheng@627
|
3975
|
dongsheng@627
|
3976 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
3977 #: ../en/ch03-concepts.xml:25
|
dongsheng@627
|
3978 msgid "Mercurial's historical record"
|
dongsheng@627
|
3979 msgstr "Mercurial 的历史记录"
|
dongsheng@627
|
3980
|
dongsheng@627
|
3981 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
3982 #: ../en/ch03-concepts.xml:28
|
dongsheng@627
|
3983 msgid "Tracking the history of a single file"
|
dongsheng@627
|
3984 msgstr "跟踪单一文件的历史"
|
dongsheng@627
|
3985
|
dongsheng@627
|
3986 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
3987 #: ../en/ch03-concepts.xml:30
|
dongsheng@627
|
3988 msgid ""
|
dongsheng@627
|
3989 "When Mercurial tracks modifications to a file, it stores the history of that "
|
dongsheng@627
|
3990 "file in a metadata object called a <emphasis>filelog</emphasis>. Each entry "
|
dongsheng@627
|
3991 "in the filelog contains enough information to reconstruct one revision of the "
|
dongsheng@627
|
3992 "file that is being tracked. Filelogs are stored as files in the <filename "
|
dongsheng@627
|
3993 "role=\"special\" class=\"directory\">.hg/store/data</filename> directory. A "
|
dongsheng@627
|
3994 "filelog contains two kinds of information: revision data, and an index to "
|
dongsheng@627
|
3995 "help Mercurial to find a revision efficiently."
|
dongsheng@627
|
3996 msgstr ""
|
dongsheng@627
|
3997
|
dongsheng@627
|
3998 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
3999 #: ../en/ch03-concepts.xml:41
|
dongsheng@627
|
4000 msgid ""
|
dongsheng@627
|
4001 "A file that is large, or has a lot of history, has its filelog stored in "
|
dongsheng@627
|
4002 "separate data (<quote><literal>.d</literal></quote> suffix) and index "
|
dongsheng@627
|
4003 "(<quote><literal>.i</literal></quote> suffix) files. For small files without "
|
dongsheng@627
|
4004 "much history, the revision data and index are combined in a single "
|
dongsheng@627
|
4005 "<quote><literal>.i</literal></quote> file. The correspondence between a file "
|
dongsheng@627
|
4006 "in the working directory and the filelog that tracks its history in the "
|
songdongsheng@658
|
4007 "repository is illustrated in <xref linkend=\"fig:concepts:filelog\"/>."
|
songdongsheng@658
|
4008 msgstr ""
|
songdongsheng@658
|
4009
|
songdongsheng@658
|
4010 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4011 #: ../en/ch03-concepts.xml:53
|
dongsheng@627
|
4012 msgid ""
|
dongsheng@627
|
4013 "Relationships between files in working directory and filelogs in repository"
|
dongsheng@660
|
4014 msgstr "工作目录中的文件与版本库中的文件日志之间的关系"
|
dongsheng@627
|
4015
|
songdongsheng@658
|
4016 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4017 #: ../en/ch03-concepts.xml:56
|
songdongsheng@658
|
4018 msgid "<imageobject><imagedata fileref=\"figs/filelog.png\"/></imageobject>"
|
songdongsheng@658
|
4019 msgstr ""
|
songdongsheng@658
|
4020
|
dongsheng@627
|
4021 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4022 #: ../en/ch03-concepts.xml:63
|
dongsheng@627
|
4023 msgid "Managing tracked files"
|
dongsheng@627
|
4024 msgstr "管理跟踪的文件"
|
dongsheng@627
|
4025
|
dongsheng@627
|
4026 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4027 #: ../en/ch03-concepts.xml:65
|
dongsheng@627
|
4028 msgid ""
|
dongsheng@627
|
4029 "Mercurial uses a structure called a <emphasis>manifest</emphasis> to collect "
|
dongsheng@627
|
4030 "together information about the files that it tracks. Each entry in the "
|
dongsheng@627
|
4031 "manifest contains information about the files present in a single changeset. "
|
dongsheng@627
|
4032 "An entry records which files are present in the changeset, the revision of "
|
dongsheng@627
|
4033 "each file, and a few other pieces of file metadata."
|
dongsheng@627
|
4034 msgstr ""
|
dongsheng@627
|
4035
|
dongsheng@627
|
4036 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4037 #: ../en/ch03-concepts.xml:75
|
dongsheng@627
|
4038 msgid "Recording changeset information"
|
dongsheng@627
|
4039 msgstr "记录修改集信息"
|
dongsheng@627
|
4040
|
dongsheng@627
|
4041 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4042 #: ../en/ch03-concepts.xml:77
|
dongsheng@627
|
4043 msgid ""
|
dongsheng@627
|
4044 "The <emphasis>changelog</emphasis> contains information about each "
|
dongsheng@627
|
4045 "changeset. Each revision records who committed a change, the changeset "
|
dongsheng@627
|
4046 "comment, other pieces of changeset-related information, and the revision of "
|
dongsheng@627
|
4047 "the manifest to use."
|
dongsheng@627
|
4048 msgstr ""
|
dongsheng@627
|
4049
|
dongsheng@627
|
4050 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4051 #: ../en/ch03-concepts.xml:85
|
dongsheng@627
|
4052 msgid "Relationships between revisions"
|
dongsheng@627
|
4053 msgstr "版本之间的关系"
|
dongsheng@627
|
4054
|
dongsheng@627
|
4055 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4056 #: ../en/ch03-concepts.xml:87
|
dongsheng@627
|
4057 msgid ""
|
dongsheng@627
|
4058 "Within a changelog, a manifest, or a filelog, each revision stores a pointer "
|
dongsheng@627
|
4059 "to its immediate parent (or to its two parents, if it's a merge revision). "
|
dongsheng@627
|
4060 "As I mentioned above, there are also relationships between revisions "
|
dongsheng@627
|
4061 "<emphasis>across</emphasis> these structures, and they are hierarchical in "
|
dongsheng@627
|
4062 "nature."
|
dongsheng@627
|
4063 msgstr ""
|
dongsheng@627
|
4064
|
dongsheng@627
|
4065 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4066 #: ../en/ch03-concepts.xml:94
|
dongsheng@627
|
4067 msgid ""
|
dongsheng@627
|
4068 "For every changeset in a repository, there is exactly one revision stored in "
|
dongsheng@627
|
4069 "the changelog. Each revision of the changelog contains a pointer to a single "
|
dongsheng@627
|
4070 "revision of the manifest. A revision of the manifest stores a pointer to a "
|
dongsheng@627
|
4071 "single revision of each filelog tracked when that changeset was created. "
|
songdongsheng@658
|
4072 "These relationships are illustrated in <xref linkend=\"fig:concepts:metadata"
|
songdongsheng@658
|
4073 "\"/>."
|
songdongsheng@658
|
4074 msgstr ""
|
songdongsheng@658
|
4075
|
songdongsheng@658
|
4076 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4077 #: ../en/ch03-concepts.xml:103
|
dongsheng@627
|
4078 msgid "Metadata relationships"
|
dongsheng@660
|
4079 msgstr "元数据之间的关系"
|
dongsheng@627
|
4080
|
songdongsheng@658
|
4081 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4082 #: ../en/ch03-concepts.xml:105
|
songdongsheng@658
|
4083 msgid "<imageobject><imagedata fileref=\"figs/metadata.png\"/></imageobject>"
|
songdongsheng@658
|
4084 msgstr ""
|
songdongsheng@658
|
4085
|
songdongsheng@658
|
4086 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4087 #: ../en/ch03-concepts.xml:110
|
dongsheng@627
|
4088 msgid ""
|
dongsheng@627
|
4089 "As the illustration shows, there is <emphasis>not</emphasis> a <quote>one to "
|
dongsheng@627
|
4090 "one</quote> relationship between revisions in the changelog, manifest, or "
|
dongsheng@627
|
4091 "filelog. If the manifest hasn't changed between two changesets, the changelog "
|
dongsheng@627
|
4092 "entries for those changesets will point to the same revision of the "
|
dongsheng@627
|
4093 "manifest. If a file that Mercurial tracks hasn't changed between two "
|
dongsheng@627
|
4094 "changesets, the entry for that file in the two revisions of the manifest will "
|
dongsheng@627
|
4095 "point to the same revision of its filelog."
|
dongsheng@627
|
4096 msgstr ""
|
dongsheng@627
|
4097
|
dongsheng@627
|
4098 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
4099 #: ../en/ch03-concepts.xml:123
|
dongsheng@627
|
4100 msgid "Safe, efficient storage"
|
dongsheng@627
|
4101 msgstr "安全,高效的存储"
|
dongsheng@627
|
4102
|
dongsheng@627
|
4103 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4104 #: ../en/ch03-concepts.xml:125
|
dongsheng@627
|
4105 msgid ""
|
dongsheng@627
|
4106 "The underpinnings of changelogs, manifests, and filelogs are provided by a "
|
dongsheng@627
|
4107 "single structure called the <emphasis>revlog</emphasis>."
|
dongsheng@627
|
4108 msgstr ""
|
dongsheng@627
|
4109
|
dongsheng@627
|
4110 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4111 #: ../en/ch03-concepts.xml:130
|
dongsheng@627
|
4112 msgid "Efficient storage"
|
dongsheng@627
|
4113 msgstr "高效存储"
|
dongsheng@627
|
4114
|
dongsheng@627
|
4115 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4116 #: ../en/ch03-concepts.xml:132
|
dongsheng@627
|
4117 msgid ""
|
dongsheng@627
|
4118 "The revlog provides efficient storage of revisions using a <emphasis>delta</"
|
dongsheng@627
|
4119 "emphasis> mechanism. Instead of storing a complete copy of a file for each "
|
dongsheng@627
|
4120 "revision, it stores the changes needed to transform an older revision into "
|
dongsheng@627
|
4121 "the new revision. For many kinds of file data, these deltas are typically a "
|
dongsheng@627
|
4122 "fraction of a percent of the size of a full copy of a file."
|
dongsheng@627
|
4123 msgstr ""
|
dongsheng@627
|
4124
|
dongsheng@627
|
4125 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4126 #: ../en/ch03-concepts.xml:140
|
dongsheng@627
|
4127 msgid ""
|
dongsheng@627
|
4128 "Some obsolete revision control systems can only work with deltas of text "
|
dongsheng@627
|
4129 "files. They must either store binary files as complete snapshots or encoded "
|
dongsheng@627
|
4130 "into a text representation, both of which are wasteful approaches. Mercurial "
|
dongsheng@627
|
4131 "can efficiently handle deltas of files with arbitrary binary contents; it "
|
dongsheng@627
|
4132 "doesn't need to treat text as special."
|
dongsheng@627
|
4133 msgstr ""
|
dongsheng@627
|
4134
|
dongsheng@627
|
4135 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4136 #: ../en/ch03-concepts.xml:149
|
dongsheng@627
|
4137 msgid "Safe operation"
|
dongsheng@627
|
4138 msgstr "安全操作"
|
dongsheng@627
|
4139
|
dongsheng@627
|
4140 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4141 #: ../en/ch03-concepts.xml:151
|
dongsheng@627
|
4142 msgid ""
|
dongsheng@627
|
4143 "Mercurial only ever <emphasis>appends</emphasis> data to the end of a revlog "
|
dongsheng@627
|
4144 "file. It never modifies a section of a file after it has written it. This is "
|
dongsheng@627
|
4145 "both more robust and efficient than schemes that need to modify or rewrite "
|
dongsheng@627
|
4146 "data."
|
dongsheng@627
|
4147 msgstr ""
|
dongsheng@627
|
4148
|
dongsheng@627
|
4149 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4150 #: ../en/ch03-concepts.xml:157
|
dongsheng@627
|
4151 msgid ""
|
dongsheng@627
|
4152 "In addition, Mercurial treats every write as part of a <emphasis>transaction</"
|
dongsheng@627
|
4153 "emphasis> that can span a number of files. A transaction is "
|
dongsheng@627
|
4154 "<emphasis>atomic</emphasis>: either the entire transaction succeeds and its "
|
dongsheng@627
|
4155 "effects are all visible to readers in one go, or the whole thing is undone. "
|
dongsheng@627
|
4156 "This guarantee of atomicity means that if you're running two copies of "
|
dongsheng@627
|
4157 "Mercurial, where one is reading data and one is writing it, the reader will "
|
dongsheng@627
|
4158 "never see a partially written result that might confuse it."
|
dongsheng@627
|
4159 msgstr ""
|
dongsheng@627
|
4160
|
dongsheng@627
|
4161 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4162 #: ../en/ch03-concepts.xml:167
|
dongsheng@627
|
4163 msgid ""
|
dongsheng@627
|
4164 "The fact that Mercurial only appends to files makes it easier to provide this "
|
dongsheng@627
|
4165 "transactional guarantee. The easier it is to do stuff like this, the more "
|
dongsheng@627
|
4166 "confident you should be that it's done correctly."
|
dongsheng@627
|
4167 msgstr ""
|
dongsheng@627
|
4168
|
dongsheng@627
|
4169 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4170 #: ../en/ch03-concepts.xml:174
|
dongsheng@627
|
4171 msgid "Fast retrieval"
|
dongsheng@627
|
4172 msgstr "快速检索"
|
dongsheng@627
|
4173
|
dongsheng@627
|
4174 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4175 #: ../en/ch03-concepts.xml:176
|
dongsheng@627
|
4176 msgid ""
|
dongsheng@627
|
4177 "Mercurial cleverly avoids a pitfall common to all earlier revision control "
|
dongsheng@627
|
4178 "systems: the problem of <emphasis>inefficient retrieval</emphasis>. Most "
|
dongsheng@627
|
4179 "revision control systems store the contents of a revision as an incremental "
|
dongsheng@627
|
4180 "series of modifications against a <quote>snapshot</quote>. To reconstruct a "
|
dongsheng@627
|
4181 "specific revision, you must first read the snapshot, and then every one of "
|
dongsheng@627
|
4182 "the revisions between the snapshot and your target revision. The more "
|
dongsheng@627
|
4183 "history that a file accumulates, the more revisions you must read, hence the "
|
dongsheng@627
|
4184 "longer it takes to reconstruct a particular revision."
|
dongsheng@627
|
4185 msgstr ""
|
dongsheng@627
|
4186
|
songdongsheng@658
|
4187 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4188 #: ../en/ch03-concepts.xml:188
|
songdongsheng@658
|
4189 msgid "Snapshot of a revlog, with incremental deltas"
|
dongsheng@660
|
4190 msgstr "版本日志的快照,以及增量差异"
|
songdongsheng@658
|
4191
|
songdongsheng@658
|
4192 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4193 #: ../en/ch03-concepts.xml:190
|
songdongsheng@658
|
4194 msgid "<imageobject><imagedata fileref=\"figs/snapshot.png\"/></imageobject>"
|
songdongsheng@658
|
4195 msgstr ""
|
songdongsheng@658
|
4196
|
songdongsheng@658
|
4197 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4198 #: ../en/ch03-concepts.xml:195
|
dongsheng@627
|
4199 msgid ""
|
dongsheng@627
|
4200 "The innovation that Mercurial applies to this problem is simple but "
|
dongsheng@627
|
4201 "effective. Once the cumulative amount of delta information stored since the "
|
dongsheng@627
|
4202 "last snapshot exceeds a fixed threshold, it stores a new snapshot "
|
dongsheng@627
|
4203 "(compressed, of course), instead of another delta. This makes it possible to "
|
dongsheng@627
|
4204 "reconstruct <emphasis>any</emphasis> revision of a file quickly. This "
|
dongsheng@627
|
4205 "approach works so well that it has since been copied by several other "
|
dongsheng@627
|
4206 "revision control systems."
|
dongsheng@627
|
4207 msgstr ""
|
dongsheng@627
|
4208
|
dongsheng@627
|
4209 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4210 #: ../en/ch03-concepts.xml:204
|
songdongsheng@658
|
4211 msgid ""
|
songdongsheng@658
|
4212 "<xref linkend=\"fig:concepts:snapshot\"/> illustrates the idea. In an entry "
|
songdongsheng@658
|
4213 "in a revlog's index file, Mercurial stores the range of entries from the data "
|
songdongsheng@658
|
4214 "file that it must read to reconstruct a particular revision."
|
dongsheng@627
|
4215 msgstr ""
|
dongsheng@627
|
4216
|
dongsheng@627
|
4217 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
4218 #: ../en/ch03-concepts.xml:210
|
dongsheng@627
|
4219 msgid "Aside: the influence of video compression"
|
dongsheng@660
|
4220 msgstr "旁白: 视频压缩的影响"
|
dongsheng@627
|
4221
|
dongsheng@627
|
4222 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
4223 #: ../en/ch03-concepts.xml:212
|
dongsheng@627
|
4224 msgid ""
|
dongsheng@627
|
4225 "If you're familiar with video compression or have ever watched a TV feed "
|
dongsheng@627
|
4226 "through a digital cable or satellite service, you may know that most video "
|
dongsheng@627
|
4227 "compression schemes store each frame of video as a delta against its "
|
dongsheng@627
|
4228 "predecessor frame. In addition, these schemes use <quote>lossy</quote> "
|
dongsheng@627
|
4229 "compression techniques to increase the compression ratio, so visual errors "
|
dongsheng@627
|
4230 "accumulate over the course of a number of inter-frame deltas."
|
dongsheng@627
|
4231 msgstr ""
|
dongsheng@627
|
4232
|
dongsheng@627
|
4233 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
4234 #: ../en/ch03-concepts.xml:221
|
dongsheng@627
|
4235 msgid ""
|
dongsheng@627
|
4236 "Because it's possible for a video stream to <quote>drop out</quote> "
|
dongsheng@627
|
4237 "occasionally due to signal glitches, and to limit the accumulation of "
|
dongsheng@627
|
4238 "artefacts introduced by the lossy compression process, video encoders "
|
dongsheng@627
|
4239 "periodically insert a complete frame (called a <quote>key frame</quote>) into "
|
dongsheng@627
|
4240 "the video stream; the next delta is generated against that frame. This means "
|
dongsheng@627
|
4241 "that if the video signal gets interrupted, it will resume once the next key "
|
dongsheng@627
|
4242 "frame is received. Also, the accumulation of encoding errors restarts anew "
|
dongsheng@627
|
4243 "with each key frame."
|
dongsheng@627
|
4244 msgstr ""
|
dongsheng@627
|
4245
|
dongsheng@627
|
4246 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4247 #: ../en/ch03-concepts.xml:235
|
dongsheng@627
|
4248 msgid "Identification and strong integrity"
|
dongsheng@627
|
4249 msgstr "鉴别和强完整性"
|
dongsheng@627
|
4250
|
dongsheng@627
|
4251 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4252 #: ../en/ch03-concepts.xml:237
|
dongsheng@627
|
4253 msgid ""
|
dongsheng@627
|
4254 "Along with delta or snapshot information, a revlog entry contains a "
|
dongsheng@627
|
4255 "cryptographic hash of the data that it represents. This makes it difficult "
|
dongsheng@627
|
4256 "to forge the contents of a revision, and easy to detect accidental corruption."
|
dongsheng@627
|
4257 msgstr ""
|
dongsheng@627
|
4258
|
dongsheng@627
|
4259 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4260 #: ../en/ch03-concepts.xml:242
|
dongsheng@627
|
4261 msgid ""
|
dongsheng@627
|
4262 "Hashes provide more than a mere check against corruption; they are used as "
|
dongsheng@627
|
4263 "the identifiers for revisions. The changeset identification hashes that you "
|
dongsheng@627
|
4264 "see as an end user are from revisions of the changelog. Although filelogs "
|
dongsheng@627
|
4265 "and the manifest also use hashes, Mercurial only uses these behind the scenes."
|
dongsheng@627
|
4266 msgstr ""
|
dongsheng@627
|
4267
|
dongsheng@627
|
4268 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4269 #: ../en/ch03-concepts.xml:249
|
dongsheng@627
|
4270 msgid ""
|
dongsheng@627
|
4271 "Mercurial verifies that hashes are correct when it retrieves file revisions "
|
dongsheng@627
|
4272 "and when it pulls changes from another repository. If it encounters an "
|
dongsheng@627
|
4273 "integrity problem, it will complain and stop whatever it's doing."
|
dongsheng@627
|
4274 msgstr ""
|
dongsheng@627
|
4275
|
dongsheng@627
|
4276 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4277 #: ../en/ch03-concepts.xml:254
|
dongsheng@627
|
4278 msgid ""
|
dongsheng@627
|
4279 "In addition to the effect it has on retrieval efficiency, Mercurial's use of "
|
dongsheng@627
|
4280 "periodic snapshots makes it more robust against partial data corruption. If "
|
dongsheng@627
|
4281 "a revlog becomes partly corrupted due to a hardware error or system bug, it's "
|
dongsheng@627
|
4282 "often possible to reconstruct some or most revisions from the uncorrupted "
|
dongsheng@627
|
4283 "sections of the revlog, both before and after the corrupted section. This "
|
dongsheng@627
|
4284 "would not be possible with a delta-only storage model."
|
dongsheng@627
|
4285 msgstr ""
|
dongsheng@627
|
4286
|
dongsheng@627
|
4287 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
4288 #: ../en/ch03-concepts.xml:266
|
dongsheng@627
|
4289 msgid "Revision history, branching, and merging"
|
dongsheng@627
|
4290 msgstr "修订历史,分支与合并"
|
dongsheng@627
|
4291
|
dongsheng@627
|
4292 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4293 #: ../en/ch03-concepts.xml:268
|
dongsheng@627
|
4294 msgid ""
|
dongsheng@627
|
4295 "Every entry in a Mercurial revlog knows the identity of its immediate "
|
dongsheng@627
|
4296 "ancestor revision, usually referred to as its <emphasis>parent</emphasis>. "
|
dongsheng@627
|
4297 "In fact, a revision contains room for not one parent, but two. Mercurial "
|
dongsheng@627
|
4298 "uses a special hash, called the <quote>null ID</quote>, to represent the idea "
|
dongsheng@627
|
4299 "<quote>there is no parent here</quote>. This hash is simply a string of "
|
dongsheng@627
|
4300 "zeroes."
|
dongsheng@627
|
4301 msgstr ""
|
dongsheng@627
|
4302
|
dongsheng@627
|
4303 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4304 #: ../en/ch03-concepts.xml:276
|
songdongsheng@658
|
4305 msgid ""
|
songdongsheng@658
|
4306 "In <xref linkend=\"fig:concepts:revlog\"/>, you can see an example of the "
|
songdongsheng@658
|
4307 "conceptual structure of a revlog. Filelogs, manifests, and changelogs all "
|
songdongsheng@658
|
4308 "have this same structure; they differ only in the kind of data stored in each "
|
songdongsheng@658
|
4309 "delta or snapshot."
|
songdongsheng@658
|
4310 msgstr ""
|
songdongsheng@658
|
4311
|
songdongsheng@658
|
4312 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
4313 #: ../en/ch03-concepts.xml:282
|
dongsheng@627
|
4314 msgid ""
|
dongsheng@627
|
4315 "The first revision in a revlog (at the bottom of the image) has the null ID "
|
dongsheng@627
|
4316 "in both of its parent slots. For a <quote>normal</quote> revision, its first "
|
dongsheng@627
|
4317 "parent slot contains the ID of its parent revision, and its second contains "
|
dongsheng@627
|
4318 "the null ID, indicating that the revision has only one real parent. Any two "
|
dongsheng@627
|
4319 "revisions that have the same parent ID are branches. A revision that "
|
dongsheng@627
|
4320 "represents a merge between branches has two normal revision IDs in its parent "
|
dongsheng@627
|
4321 "slots."
|
dongsheng@627
|
4322 msgstr ""
|
dongsheng@627
|
4323
|
songdongsheng@658
|
4324 #. type: Content of: <book><chapter><sect1><figure><title>
|
songdongsheng@658
|
4325 #: ../en/ch03-concepts.xml:292
|
songdongsheng@658
|
4326 msgid "The conceptual structure of a revlog"
|
dongsheng@660
|
4327 msgstr "版本日志的设计结构"
|
songdongsheng@658
|
4328
|
songdongsheng@658
|
4329 #. type: Content of: <book><chapter><sect1><figure><mediaobject>
|
songdongsheng@658
|
4330 #: ../en/ch03-concepts.xml:294
|
songdongsheng@658
|
4331 msgid "<imageobject><imagedata fileref=\"figs/revlog.png\"/></imageobject>"
|
dongsheng@641
|
4332 msgstr ""
|
dongsheng@641
|
4333
|
dongsheng@627
|
4334 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
4335 #: ../en/ch03-concepts.xml:301
|
dongsheng@627
|
4336 msgid "The working directory"
|
dongsheng@627
|
4337 msgstr "工作目录"
|
dongsheng@627
|
4338
|
dongsheng@627
|
4339 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4340 #: ../en/ch03-concepts.xml:303
|
dongsheng@627
|
4341 msgid ""
|
dongsheng@627
|
4342 "In the working directory, Mercurial stores a snapshot of the files from the "
|
dongsheng@627
|
4343 "repository as of a particular changeset."
|
dongsheng@627
|
4344 msgstr ""
|
dongsheng@627
|
4345
|
dongsheng@627
|
4346 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4347 #: ../en/ch03-concepts.xml:306
|
dongsheng@627
|
4348 msgid ""
|
dongsheng@627
|
4349 "The working directory <quote>knows</quote> which changeset it contains. When "
|
dongsheng@627
|
4350 "you update the working directory to contain a particular changeset, Mercurial "
|
dongsheng@627
|
4351 "looks up the appropriate revision of the manifest to find out which files it "
|
dongsheng@627
|
4352 "was tracking at the time that changeset was committed, and which revision of "
|
dongsheng@627
|
4353 "each file was then current. It then recreates a copy of each of those files, "
|
dongsheng@627
|
4354 "with the same contents it had when the changeset was committed."
|
dongsheng@627
|
4355 msgstr ""
|
dongsheng@627
|
4356
|
dongsheng@627
|
4357 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4358 #: ../en/ch03-concepts.xml:315
|
dongsheng@627
|
4359 msgid ""
|
dongsheng@627
|
4360 "The <emphasis>dirstate</emphasis> contains Mercurial's knowledge of the "
|
dongsheng@627
|
4361 "working directory. This details which changeset the working directory is "
|
dongsheng@627
|
4362 "updated to, and all of the files that Mercurial is tracking in the working "
|
dongsheng@627
|
4363 "directory."
|
dongsheng@627
|
4364 msgstr ""
|
dongsheng@627
|
4365
|
dongsheng@627
|
4366 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4367 #: ../en/ch03-concepts.xml:321
|
dongsheng@627
|
4368 msgid ""
|
dongsheng@627
|
4369 "Just as a revision of a revlog has room for two parents, so that it can "
|
dongsheng@627
|
4370 "represent either a normal revision (with one parent) or a merge of two "
|
dongsheng@627
|
4371 "earlier revisions, the dirstate has slots for two parents. When you use the "
|
dongsheng@627
|
4372 "<command role=\"hg-cmd\">hg update</command> command, the changeset that you "
|
dongsheng@627
|
4373 "update to is stored in the <quote>first parent</quote> slot, and the null ID "
|
dongsheng@627
|
4374 "in the second. When you <command role=\"hg-cmd\">hg merge</command> with "
|
dongsheng@627
|
4375 "another changeset, the first parent remains unchanged, and the second parent "
|
dongsheng@627
|
4376 "is filled in with the changeset you're merging with. The <command role=\"hg-"
|
dongsheng@627
|
4377 "cmd\">hg parents</command> command tells you what the parents of the dirstate "
|
dongsheng@627
|
4378 "are."
|
dongsheng@627
|
4379 msgstr ""
|
dongsheng@627
|
4380
|
dongsheng@627
|
4381 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4382 #: ../en/ch03-concepts.xml:335
|
dongsheng@627
|
4383 msgid "What happens when you commit"
|
dongsheng@627
|
4384 msgstr "当你提交时发生的事情"
|
dongsheng@627
|
4385
|
dongsheng@627
|
4386 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4387 #: ../en/ch03-concepts.xml:337
|
dongsheng@627
|
4388 msgid ""
|
dongsheng@627
|
4389 "The dirstate stores parent information for more than just book-keeping "
|
dongsheng@627
|
4390 "purposes. Mercurial uses the parents of the dirstate as <emphasis>the "
|
dongsheng@627
|
4391 "parents of a new changeset</emphasis> when you perform a commit."
|
dongsheng@627
|
4392 msgstr ""
|
dongsheng@627
|
4393
|
songdongsheng@658
|
4394 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4395 #: ../en/ch03-concepts.xml:343
|
dongsheng@627
|
4396 msgid "The working directory can have two parents"
|
dongsheng@660
|
4397 msgstr "工作目录可以有两个父亲"
|
dongsheng@627
|
4398
|
songdongsheng@658
|
4399 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4400 #: ../en/ch03-concepts.xml:345
|
songdongsheng@658
|
4401 msgid "<imageobject><imagedata fileref=\"figs/wdir.png\"/></imageobject>"
|
songdongsheng@658
|
4402 msgstr ""
|
songdongsheng@658
|
4403
|
songdongsheng@658
|
4404 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4405 #: ../en/ch03-concepts.xml:350
|
songdongsheng@658
|
4406 msgid ""
|
songdongsheng@658
|
4407 "<xref linkend=\"fig:concepts:wdir\"/> shows the normal state of the working "
|
songdongsheng@658
|
4408 "directory, where it has a single changeset as parent. That changeset is the "
|
songdongsheng@658
|
4409 "<emphasis>tip</emphasis>, the newest changeset in the repository that has no "
|
songdongsheng@658
|
4410 "children."
|
songdongsheng@658
|
4411 msgstr ""
|
songdongsheng@658
|
4412
|
songdongsheng@658
|
4413 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4414 #: ../en/ch03-concepts.xml:357
|
dongsheng@627
|
4415 msgid "The working directory gains new parents after a commit"
|
dongsheng@660
|
4416 msgstr "提交之后,工作目录的父亲就改变了"
|
dongsheng@627
|
4417
|
songdongsheng@658
|
4418 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4419 #: ../en/ch03-concepts.xml:360
|
songdongsheng@658
|
4420 msgid ""
|
songdongsheng@658
|
4421 "<imageobject><imagedata fileref=\"figs/wdir-after-commit.png\"/></imageobject>"
|
songdongsheng@658
|
4422 msgstr ""
|
songdongsheng@658
|
4423
|
songdongsheng@658
|
4424 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4425 #: ../en/ch03-concepts.xml:365
|
dongsheng@627
|
4426 msgid ""
|
dongsheng@627
|
4427 "It's useful to think of the working directory as <quote>the changeset I'm "
|
dongsheng@627
|
4428 "about to commit</quote>. Any files that you tell Mercurial that you've "
|
dongsheng@627
|
4429 "added, removed, renamed, or copied will be reflected in that changeset, as "
|
dongsheng@627
|
4430 "will modifications to any files that Mercurial is already tracking; the new "
|
dongsheng@627
|
4431 "changeset will have the parents of the working directory as its parents."
|
dongsheng@627
|
4432 msgstr ""
|
dongsheng@627
|
4433
|
dongsheng@627
|
4434 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4435 #: ../en/ch03-concepts.xml:373
|
dongsheng@627
|
4436 msgid ""
|
dongsheng@627
|
4437 "After a commit, Mercurial will update the parents of the working directory, "
|
dongsheng@627
|
4438 "so that the first parent is the ID of the new changeset, and the second is "
|
songdongsheng@658
|
4439 "the null ID. This is shown in <xref linkend=\"fig:concepts:wdir-after-commit"
|
songdongsheng@658
|
4440 "\"/>. Mercurial doesn't touch any of the files in the working directory when "
|
songdongsheng@658
|
4441 "you commit; it just modifies the dirstate to note its new parents."
|
dongsheng@641
|
4442 msgstr ""
|
dongsheng@641
|
4443
|
dongsheng@641
|
4444 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4445 #: ../en/ch03-concepts.xml:384
|
dongsheng@627
|
4446 msgid "Creating a new head"
|
dongsheng@627
|
4447 msgstr "创建新顶点"
|
dongsheng@627
|
4448
|
dongsheng@627
|
4449 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4450 #: ../en/ch03-concepts.xml:386
|
dongsheng@627
|
4451 msgid ""
|
dongsheng@627
|
4452 "It's perfectly normal to update the working directory to a changeset other "
|
dongsheng@627
|
4453 "than the current tip. For example, you might want to know what your project "
|
dongsheng@627
|
4454 "looked like last Tuesday, or you could be looking through changesets to see "
|
dongsheng@627
|
4455 "which one introduced a bug. In cases like this, the natural thing to do is "
|
dongsheng@627
|
4456 "update the working directory to the changeset you're interested in, and then "
|
dongsheng@627
|
4457 "examine the files in the working directory directly to see their contents as "
|
dongsheng@627
|
4458 "they were when you committed that changeset. The effect of this is shown in "
|
songdongsheng@658
|
4459 "<xref linkend=\"fig:concepts:wdir-pre-branch\"/>."
|
songdongsheng@658
|
4460 msgstr ""
|
songdongsheng@658
|
4461
|
songdongsheng@658
|
4462 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4463 #: ../en/ch03-concepts.xml:398
|
dongsheng@627
|
4464 msgid "The working directory, updated to an older changeset"
|
dongsheng@660
|
4465 msgstr "同步到旧修改集的工作目录"
|
dongsheng@627
|
4466
|
songdongsheng@658
|
4467 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4468 #: ../en/ch03-concepts.xml:401
|
songdongsheng@658
|
4469 msgid ""
|
songdongsheng@658
|
4470 "<imageobject><imagedata fileref=\"figs/wdir-pre-branch.png\"/></imageobject>"
|
songdongsheng@658
|
4471 msgstr ""
|
songdongsheng@658
|
4472
|
songdongsheng@658
|
4473 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4474 #: ../en/ch03-concepts.xml:406
|
dongsheng@627
|
4475 msgid ""
|
dongsheng@627
|
4476 "Having updated the working directory to an older changeset, what happens if "
|
dongsheng@627
|
4477 "you make some changes, and then commit? Mercurial behaves in the same way as "
|
dongsheng@627
|
4478 "I outlined above. The parents of the working directory become the parents of "
|
dongsheng@627
|
4479 "the new changeset. This new changeset has no children, so it becomes the new "
|
dongsheng@627
|
4480 "tip. And the repository now contains two changesets that have no children; "
|
dongsheng@627
|
4481 "we call these <emphasis>heads</emphasis>. You can see the structure that "
|
songdongsheng@658
|
4482 "this creates in <xref linkend=\"fig:concepts:wdir-branch\"/>."
|
songdongsheng@658
|
4483 msgstr ""
|
songdongsheng@658
|
4484
|
songdongsheng@658
|
4485 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4486 #: ../en/ch03-concepts.xml:418
|
dongsheng@627
|
4487 msgid "After a commit made while synced to an older changeset"
|
dongsheng@660
|
4488 msgstr "对同步到旧修改集的工作目录提交之后"
|
dongsheng@627
|
4489
|
songdongsheng@658
|
4490 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4491 #: ../en/ch03-concepts.xml:421
|
songdongsheng@658
|
4492 msgid "<imageobject><imagedata fileref=\"figs/wdir-branch.png\"/></imageobject>"
|
songdongsheng@658
|
4493 msgstr ""
|
songdongsheng@658
|
4494
|
dongsheng@627
|
4495 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
songdongsheng@658
|
4496 #: ../en/ch03-concepts.xml:427
|
dongsheng@627
|
4497 msgid ""
|
dongsheng@627
|
4498 "If you're new to Mercurial, you should keep in mind a common <quote>error</"
|
dongsheng@627
|
4499 "quote>, which is to use the <command role=\"hg-cmd\">hg pull</command> "
|
dongsheng@627
|
4500 "command without any options. By default, the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
4501 "pull</command> command <emphasis>does not</emphasis> update the working "
|
dongsheng@627
|
4502 "directory, so you'll bring new changesets into your repository, but the "
|
dongsheng@627
|
4503 "working directory will stay synced at the same changeset as before the pull. "
|
dongsheng@627
|
4504 "If you make some changes and commit afterwards, you'll thus create a new "
|
dongsheng@627
|
4505 "head, because your working directory isn't synced to whatever the current tip "
|
dongsheng@627
|
4506 "is."
|
dongsheng@627
|
4507 msgstr ""
|
dongsheng@627
|
4508
|
dongsheng@627
|
4509 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
songdongsheng@658
|
4510 #: ../en/ch03-concepts.xml:439
|
dongsheng@627
|
4511 msgid ""
|
dongsheng@627
|
4512 "I put the word <quote>error</quote> in quotes because all that you need to do "
|
dongsheng@627
|
4513 "to rectify this situation is <command role=\"hg-cmd\">hg merge</command>, "
|
dongsheng@627
|
4514 "then <command role=\"hg-cmd\">hg commit</command>. In other words, this "
|
dongsheng@627
|
4515 "almost never has negative consequences; it just surprises people. I'll "
|
dongsheng@627
|
4516 "discuss other ways to avoid this behaviour, and why Mercurial behaves in this "
|
dongsheng@627
|
4517 "initially surprising way, later on."
|
dongsheng@627
|
4518 msgstr ""
|
dongsheng@627
|
4519
|
dongsheng@627
|
4520 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4521 #: ../en/ch03-concepts.xml:451
|
dongsheng@627
|
4522 msgid "Merging heads"
|
dongsheng@627
|
4523 msgstr "合并顶点"
|
dongsheng@627
|
4524
|
dongsheng@627
|
4525 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4526 #: ../en/ch03-concepts.xml:453
|
dongsheng@627
|
4527 msgid ""
|
dongsheng@627
|
4528 "When you run the <command role=\"hg-cmd\">hg merge</command> command, "
|
dongsheng@627
|
4529 "Mercurial leaves the first parent of the working directory unchanged, and "
|
dongsheng@627
|
4530 "sets the second parent to the changeset you're merging with, as shown in "
|
songdongsheng@658
|
4531 "<xref linkend=\"fig:concepts:wdir-merge\"/>."
|
songdongsheng@658
|
4532 msgstr ""
|
songdongsheng@658
|
4533
|
songdongsheng@658
|
4534 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
4535 #: ../en/ch03-concepts.xml:460
|
dongsheng@627
|
4536 msgid "Merging two heads"
|
dongsheng@660
|
4537 msgstr "合并两个顶点"
|
dongsheng@627
|
4538
|
songdongsheng@658
|
4539 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
4540 #: ../en/ch03-concepts.xml:462
|
songdongsheng@658
|
4541 msgid ""
|
songdongsheng@658
|
4542 "<imageobject> <imagedata fileref=\"figs/wdir-merge.png\"/> </imageobject>"
|
songdongsheng@658
|
4543 msgstr ""
|
songdongsheng@658
|
4544
|
songdongsheng@658
|
4545 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4546 #: ../en/ch03-concepts.xml:469
|
dongsheng@627
|
4547 msgid ""
|
dongsheng@627
|
4548 "Mercurial also has to modify the working directory, to merge the files "
|
dongsheng@627
|
4549 "managed in the two changesets. Simplified a little, the merging process goes "
|
dongsheng@627
|
4550 "like this, for every file in the manifests of both changesets."
|
dongsheng@627
|
4551 msgstr ""
|
dongsheng@627
|
4552
|
dongsheng@627
|
4553 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
4554 #: ../en/ch03-concepts.xml:474
|
dongsheng@627
|
4555 msgid "If neither changeset has modified a file, do nothing with that file."
|
dongsheng@627
|
4556 msgstr ""
|
dongsheng@627
|
4557
|
dongsheng@627
|
4558 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
4559 #: ../en/ch03-concepts.xml:477
|
dongsheng@627
|
4560 msgid ""
|
dongsheng@627
|
4561 "If one changeset has modified a file, and the other hasn't, create the "
|
dongsheng@627
|
4562 "modified copy of the file in the working directory."
|
dongsheng@627
|
4563 msgstr ""
|
dongsheng@627
|
4564
|
dongsheng@627
|
4565 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
4566 #: ../en/ch03-concepts.xml:481
|
dongsheng@627
|
4567 msgid ""
|
dongsheng@627
|
4568 "If one changeset has removed a file, and the other hasn't (or has also "
|
dongsheng@627
|
4569 "deleted it), delete the file from the working directory."
|
dongsheng@627
|
4570 msgstr ""
|
dongsheng@627
|
4571
|
dongsheng@627
|
4572 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
4573 #: ../en/ch03-concepts.xml:485
|
dongsheng@627
|
4574 msgid ""
|
dongsheng@627
|
4575 "If one changeset has removed a file, but the other has modified the file, ask "
|
dongsheng@627
|
4576 "the user what to do: keep the modified file, or remove it?"
|
dongsheng@627
|
4577 msgstr ""
|
dongsheng@627
|
4578
|
dongsheng@627
|
4579 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
4580 #: ../en/ch03-concepts.xml:489
|
dongsheng@627
|
4581 msgid ""
|
dongsheng@627
|
4582 "If both changesets have modified a file, invoke an external merge program to "
|
dongsheng@627
|
4583 "choose the new contents for the merged file. This may require input from the "
|
dongsheng@627
|
4584 "user."
|
dongsheng@627
|
4585 msgstr ""
|
dongsheng@627
|
4586
|
dongsheng@627
|
4587 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
4588 #: ../en/ch03-concepts.xml:494
|
dongsheng@627
|
4589 msgid ""
|
dongsheng@627
|
4590 "If one changeset has modified a file, and the other has renamed or copied the "
|
dongsheng@627
|
4591 "file, make sure that the changes follow the new name of the file."
|
dongsheng@627
|
4592 msgstr ""
|
dongsheng@627
|
4593
|
dongsheng@627
|
4594 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4595 #: ../en/ch03-concepts.xml:498
|
dongsheng@627
|
4596 msgid ""
|
songdongsheng@668
|
4597 "There are more details&emdash;merging has plenty of corner cases&emdash;but "
|
songdongsheng@668
|
4598 "these are the most common choices that are involved in a merge. As you can "
|
songdongsheng@668
|
4599 "see, most cases are completely automatic, and indeed most merges finish "
|
dongsheng@627
|
4600 "automatically, without requiring your input to resolve any conflicts."
|
dongsheng@627
|
4601 msgstr ""
|
dongsheng@627
|
4602
|
dongsheng@627
|
4603 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4604 #: ../en/ch03-concepts.xml:505
|
dongsheng@627
|
4605 msgid ""
|
dongsheng@627
|
4606 "When you're thinking about what happens when you commit after a merge, once "
|
dongsheng@627
|
4607 "again the working directory is <quote>the changeset I'm about to commit</"
|
dongsheng@627
|
4608 "quote>. After the <command role=\"hg-cmd\">hg merge</command> command "
|
dongsheng@627
|
4609 "completes, the working directory has two parents; these will become the "
|
dongsheng@627
|
4610 "parents of the new changeset."
|
dongsheng@627
|
4611 msgstr ""
|
dongsheng@627
|
4612
|
dongsheng@627
|
4613 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4614 #: ../en/ch03-concepts.xml:512
|
dongsheng@627
|
4615 msgid ""
|
dongsheng@627
|
4616 "Mercurial lets you perform multiple merges, but you must commit the results "
|
dongsheng@627
|
4617 "of each individual merge as you go. This is necessary because Mercurial only "
|
dongsheng@627
|
4618 "tracks two parents for both revisions and the working directory. While it "
|
dongsheng@627
|
4619 "would be technically possible to merge multiple changesets at once, the "
|
dongsheng@627
|
4620 "prospect of user confusion and making a terrible mess of a merge immediately "
|
dongsheng@627
|
4621 "becomes overwhelming."
|
dongsheng@627
|
4622 msgstr ""
|
dongsheng@627
|
4623
|
dongsheng@627
|
4624 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
4625 #: ../en/ch03-concepts.xml:523
|
dongsheng@627
|
4626 msgid "Other interesting design features"
|
dongsheng@627
|
4627 msgstr "其它有趣的设计特性"
|
dongsheng@627
|
4628
|
dongsheng@627
|
4629 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
4630 #: ../en/ch03-concepts.xml:525
|
dongsheng@627
|
4631 msgid ""
|
dongsheng@627
|
4632 "In the sections above, I've tried to highlight some of the most important "
|
dongsheng@627
|
4633 "aspects of Mercurial's design, to illustrate that it pays careful attention "
|
dongsheng@627
|
4634 "to reliability and performance. However, the attention to detail doesn't "
|
dongsheng@627
|
4635 "stop there. There are a number of other aspects of Mercurial's construction "
|
dongsheng@627
|
4636 "that I personally find interesting. I'll detail a few of them here, separate "
|
dongsheng@627
|
4637 "from the <quote>big ticket</quote> items above, so that if you're interested, "
|
dongsheng@627
|
4638 "you can gain a better idea of the amount of thinking that goes into a well-"
|
dongsheng@627
|
4639 "designed system."
|
dongsheng@627
|
4640 msgstr ""
|
dongsheng@627
|
4641
|
dongsheng@627
|
4642 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4643 #: ../en/ch03-concepts.xml:536
|
dongsheng@627
|
4644 msgid "Clever compression"
|
dongsheng@627
|
4645 msgstr "智能压缩"
|
dongsheng@627
|
4646
|
dongsheng@627
|
4647 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4648 #: ../en/ch03-concepts.xml:538
|
dongsheng@627
|
4649 msgid ""
|
dongsheng@627
|
4650 "When appropriate, Mercurial will store both snapshots and deltas in "
|
dongsheng@627
|
4651 "compressed form. It does this by always <emphasis>trying to</emphasis> "
|
dongsheng@627
|
4652 "compress a snapshot or delta, but only storing the compressed version if it's "
|
dongsheng@627
|
4653 "smaller than the uncompressed version."
|
dongsheng@627
|
4654 msgstr ""
|
dongsheng@627
|
4655
|
dongsheng@627
|
4656 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4657 #: ../en/ch03-concepts.xml:544
|
dongsheng@627
|
4658 msgid ""
|
dongsheng@627
|
4659 "This means that Mercurial does <quote>the right thing</quote> when storing a "
|
dongsheng@627
|
4660 "file whose native form is compressed, such as a <literal>zip</literal> "
|
dongsheng@627
|
4661 "archive or a JPEG image. When these types of files are compressed a second "
|
dongsheng@627
|
4662 "time, the resulting file is usually bigger than the once-compressed form, and "
|
dongsheng@627
|
4663 "so Mercurial will store the plain <literal>zip</literal> or JPEG."
|
dongsheng@627
|
4664 msgstr ""
|
dongsheng@627
|
4665
|
dongsheng@627
|
4666 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4667 #: ../en/ch03-concepts.xml:552
|
dongsheng@627
|
4668 msgid ""
|
dongsheng@627
|
4669 "Deltas between revisions of a compressed file are usually larger than "
|
dongsheng@627
|
4670 "snapshots of the file, and Mercurial again does <quote>the right thing</"
|
dongsheng@627
|
4671 "quote> in these cases. It finds that such a delta exceeds the threshold at "
|
dongsheng@627
|
4672 "which it should store a complete snapshot of the file, so it stores the "
|
dongsheng@627
|
4673 "snapshot, again saving space compared to a naive delta-only approach."
|
dongsheng@627
|
4674 msgstr ""
|
dongsheng@627
|
4675
|
dongsheng@627
|
4676 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
4677 #: ../en/ch03-concepts.xml:561
|
dongsheng@627
|
4678 msgid "Network recompression"
|
dongsheng@627
|
4679 msgstr "网络重新压缩"
|
dongsheng@627
|
4680
|
dongsheng@627
|
4681 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
4682 #: ../en/ch03-concepts.xml:563
|
dongsheng@627
|
4683 msgid ""
|
dongsheng@627
|
4684 "When storing revisions on disk, Mercurial uses the <quote>deflate</quote> "
|
dongsheng@627
|
4685 "compression algorithm (the same one used by the popular <literal>zip</"
|
dongsheng@627
|
4686 "literal> archive format), which balances good speed with a respectable "
|
dongsheng@627
|
4687 "compression ratio. However, when transmitting revision data over a network "
|
dongsheng@627
|
4688 "connection, Mercurial uncompresses the compressed revision data."
|
dongsheng@627
|
4689 msgstr ""
|
dongsheng@627
|
4690
|
dongsheng@627
|
4691 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
4692 #: ../en/ch03-concepts.xml:571
|
dongsheng@627
|
4693 msgid ""
|
dongsheng@627
|
4694 "If the connection is over HTTP, Mercurial recompresses the entire stream of "
|
dongsheng@627
|
4695 "data using a compression algorithm that gives a better compression ratio (the "
|
dongsheng@627
|
4696 "Burrows-Wheeler algorithm from the widely used <literal>bzip2</literal> "
|
dongsheng@627
|
4697 "compression package). This combination of algorithm and compression of the "
|
dongsheng@627
|
4698 "entire stream (instead of a revision at a time) substantially reduces the "
|
dongsheng@627
|
4699 "number of bytes to be transferred, yielding better network performance over "
|
dongsheng@627
|
4700 "almost all kinds of network."
|
dongsheng@627
|
4701 msgstr ""
|
dongsheng@627
|
4702
|
dongsheng@627
|
4703 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
4704 #: ../en/ch03-concepts.xml:581
|
dongsheng@627
|
4705 msgid ""
|
dongsheng@627
|
4706 "(If the connection is over <command>ssh</command>, Mercurial "
|
dongsheng@627
|
4707 "<emphasis>doesn't</emphasis> recompress the stream, because <command>ssh</"
|
dongsheng@627
|
4708 "command> can already do this itself.)"
|
dongsheng@627
|
4709 msgstr ""
|
dongsheng@627
|
4710
|
dongsheng@627
|
4711 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4712 #: ../en/ch03-concepts.xml:589
|
dongsheng@627
|
4713 msgid "Read/write ordering and atomicity"
|
dongsheng@627
|
4714 msgstr "读写顺序与原子性"
|
dongsheng@627
|
4715
|
dongsheng@627
|
4716 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4717 #: ../en/ch03-concepts.xml:591
|
dongsheng@627
|
4718 msgid ""
|
dongsheng@627
|
4719 "Appending to files isn't the whole story when it comes to guaranteeing that a "
|
songdongsheng@658
|
4720 "reader won't see a partial write. If you recall <xref linkend=\"fig:concepts:"
|
songdongsheng@658
|
4721 "metadata\"/>, revisions in the changelog point to revisions in the manifest, "
|
songdongsheng@658
|
4722 "and revisions in the manifest point to revisions in filelogs. This hierarchy "
|
songdongsheng@658
|
4723 "is deliberate."
|
songdongsheng@658
|
4724 msgstr ""
|
songdongsheng@658
|
4725
|
songdongsheng@658
|
4726 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4727 #: ../en/ch03-concepts.xml:599
|
dongsheng@627
|
4728 msgid ""
|
dongsheng@627
|
4729 "A writer starts a transaction by writing filelog and manifest data, and "
|
dongsheng@627
|
4730 "doesn't write any changelog data until those are finished. A reader starts "
|
dongsheng@627
|
4731 "by reading changelog data, then manifest data, followed by filelog data."
|
dongsheng@627
|
4732 msgstr ""
|
dongsheng@627
|
4733
|
dongsheng@627
|
4734 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4735 #: ../en/ch03-concepts.xml:604
|
dongsheng@627
|
4736 msgid ""
|
dongsheng@627
|
4737 "Since the writer has always finished writing filelog and manifest data before "
|
dongsheng@627
|
4738 "it writes to the changelog, a reader will never read a pointer to a partially "
|
dongsheng@627
|
4739 "written manifest revision from the changelog, and it will never read a "
|
dongsheng@627
|
4740 "pointer to a partially written filelog revision from the manifest."
|
dongsheng@627
|
4741 msgstr ""
|
dongsheng@627
|
4742
|
dongsheng@627
|
4743 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4744 #: ../en/ch03-concepts.xml:612
|
dongsheng@627
|
4745 msgid "Concurrent access"
|
dongsheng@627
|
4746 msgstr "并发访问"
|
dongsheng@627
|
4747
|
dongsheng@627
|
4748 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4749 #: ../en/ch03-concepts.xml:614
|
dongsheng@627
|
4750 msgid ""
|
dongsheng@627
|
4751 "The read/write ordering and atomicity guarantees mean that Mercurial never "
|
dongsheng@627
|
4752 "needs to <emphasis>lock</emphasis> a repository when it's reading data, even "
|
dongsheng@627
|
4753 "if the repository is being written to while the read is occurring. This has a "
|
dongsheng@627
|
4754 "big effect on scalability; you can have an arbitrary number of Mercurial "
|
dongsheng@627
|
4755 "processes safely reading data from a repository safely all at once, no matter "
|
dongsheng@627
|
4756 "whether it's being written to or not."
|
dongsheng@627
|
4757 msgstr ""
|
dongsheng@627
|
4758
|
dongsheng@627
|
4759 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4760 #: ../en/ch03-concepts.xml:623
|
dongsheng@627
|
4761 msgid ""
|
dongsheng@627
|
4762 "The lockless nature of reading means that if you're sharing a repository on a "
|
dongsheng@627
|
4763 "multi-user system, you don't need to grant other local users permission to "
|
dongsheng@627
|
4764 "<emphasis>write</emphasis> to your repository in order for them to be able to "
|
dongsheng@627
|
4765 "clone it or pull changes from it; they only need <emphasis>read</emphasis> "
|
dongsheng@627
|
4766 "permission. (This is <emphasis>not</emphasis> a common feature among "
|
dongsheng@627
|
4767 "revision control systems, so don't take it for granted! Most require readers "
|
dongsheng@627
|
4768 "to be able to lock a repository to access it safely, and this requires write "
|
dongsheng@627
|
4769 "permission on at least one directory, which of course makes for all kinds of "
|
dongsheng@627
|
4770 "nasty and annoying security and administrative problems.)"
|
dongsheng@627
|
4771 msgstr ""
|
dongsheng@627
|
4772
|
dongsheng@627
|
4773 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4774 #: ../en/ch03-concepts.xml:636
|
dongsheng@627
|
4775 msgid ""
|
dongsheng@627
|
4776 "Mercurial uses locks to ensure that only one process can write to a "
|
dongsheng@627
|
4777 "repository at a time (the locking mechanism is safe even over filesystems "
|
dongsheng@627
|
4778 "that are notoriously hostile to locking, such as NFS). If a repository is "
|
dongsheng@627
|
4779 "locked, a writer will wait for a while to retry if the repository becomes "
|
dongsheng@627
|
4780 "unlocked, but if the repository remains locked for too long, the process "
|
dongsheng@627
|
4781 "attempting to write will time out after a while. This means that your daily "
|
dongsheng@627
|
4782 "automated scripts won't get stuck forever and pile up if a system crashes "
|
dongsheng@627
|
4783 "unnoticed, for example. (Yes, the timeout is configurable, from zero to "
|
dongsheng@627
|
4784 "infinity.)"
|
dongsheng@627
|
4785 msgstr ""
|
dongsheng@627
|
4786
|
dongsheng@627
|
4787 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
4788 #: ../en/ch03-concepts.xml:648
|
dongsheng@627
|
4789 msgid "Safe dirstate access"
|
dongsheng@627
|
4790 msgstr "安全的目录状态访问"
|
dongsheng@627
|
4791
|
dongsheng@627
|
4792 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
4793 #: ../en/ch03-concepts.xml:650
|
dongsheng@627
|
4794 msgid ""
|
dongsheng@627
|
4795 "As with revision data, Mercurial doesn't take a lock to read the dirstate "
|
dongsheng@627
|
4796 "file; it does acquire a lock to write it. To avoid the possibility of "
|
dongsheng@627
|
4797 "reading a partially written copy of the dirstate file, Mercurial writes to a "
|
dongsheng@627
|
4798 "file with a unique name in the same directory as the dirstate file, then "
|
dongsheng@627
|
4799 "renames the temporary file atomically to <filename>dirstate</filename>. The "
|
dongsheng@627
|
4800 "file named <filename>dirstate</filename> is thus guaranteed to be complete, "
|
dongsheng@627
|
4801 "not partially written."
|
dongsheng@627
|
4802 msgstr ""
|
dongsheng@627
|
4803
|
dongsheng@627
|
4804 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4805 #: ../en/ch03-concepts.xml:663
|
dongsheng@627
|
4806 msgid "Avoiding seeks"
|
dongsheng@627
|
4807 msgstr "避免查找"
|
dongsheng@627
|
4808
|
dongsheng@627
|
4809 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4810 #: ../en/ch03-concepts.xml:665
|
dongsheng@627
|
4811 msgid ""
|
dongsheng@627
|
4812 "Critical to Mercurial's performance is the avoidance of seeks of the disk "
|
dongsheng@627
|
4813 "head, since any seek is far more expensive than even a comparatively large "
|
dongsheng@627
|
4814 "read operation."
|
dongsheng@627
|
4815 msgstr ""
|
dongsheng@627
|
4816
|
dongsheng@627
|
4817 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4818 #: ../en/ch03-concepts.xml:669
|
dongsheng@627
|
4819 msgid ""
|
dongsheng@627
|
4820 "This is why, for example, the dirstate is stored in a single file. If there "
|
dongsheng@627
|
4821 "were a dirstate file per directory that Mercurial tracked, the disk would "
|
dongsheng@627
|
4822 "seek once per directory. Instead, Mercurial reads the entire single dirstate "
|
dongsheng@627
|
4823 "file in one step."
|
dongsheng@627
|
4824 msgstr ""
|
dongsheng@627
|
4825
|
dongsheng@627
|
4826 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4827 #: ../en/ch03-concepts.xml:675
|
dongsheng@627
|
4828 msgid ""
|
dongsheng@627
|
4829 "Mercurial also uses a <quote>copy on write</quote> scheme when cloning a "
|
dongsheng@627
|
4830 "repository on local storage. Instead of copying every revlog file from the "
|
dongsheng@627
|
4831 "old repository into the new repository, it makes a <quote>hard link</quote>, "
|
dongsheng@627
|
4832 "which is a shorthand way to say <quote>these two names point to the same "
|
dongsheng@627
|
4833 "file</quote>. When Mercurial is about to write to one of a revlog's files, "
|
dongsheng@627
|
4834 "it checks to see if the number of names pointing at the file is greater than "
|
dongsheng@627
|
4835 "one. If it is, more than one repository is using the file, so Mercurial "
|
dongsheng@627
|
4836 "makes a new copy of the file that is private to this repository."
|
dongsheng@627
|
4837 msgstr ""
|
dongsheng@627
|
4838
|
dongsheng@627
|
4839 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4840 #: ../en/ch03-concepts.xml:686
|
dongsheng@627
|
4841 msgid ""
|
dongsheng@627
|
4842 "A few revision control developers have pointed out that this idea of making a "
|
dongsheng@627
|
4843 "complete private copy of a file is not very efficient in its use of storage. "
|
dongsheng@627
|
4844 "While this is true, storage is cheap, and this method gives the highest "
|
dongsheng@627
|
4845 "performance while deferring most book-keeping to the operating system. An "
|
dongsheng@627
|
4846 "alternative scheme would most likely reduce performance and increase the "
|
dongsheng@627
|
4847 "complexity of the software, each of which is much more important to the "
|
dongsheng@627
|
4848 "<quote>feel</quote> of day-to-day use."
|
dongsheng@627
|
4849 msgstr ""
|
dongsheng@627
|
4850
|
dongsheng@627
|
4851 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
4852 #: ../en/ch03-concepts.xml:698
|
dongsheng@627
|
4853 msgid "Other contents of the dirstate"
|
dongsheng@627
|
4854 msgstr "目录状态的其它内容"
|
dongsheng@627
|
4855
|
dongsheng@627
|
4856 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4857 #: ../en/ch03-concepts.xml:700
|
dongsheng@627
|
4858 msgid ""
|
dongsheng@627
|
4859 "Because Mercurial doesn't force you to tell it when you're modifying a file, "
|
dongsheng@627
|
4860 "it uses the dirstate to store some extra information so it can determine "
|
dongsheng@627
|
4861 "efficiently whether you have modified a file. For each file in the working "
|
dongsheng@627
|
4862 "directory, it stores the time that it last modified the file itself, and the "
|
dongsheng@627
|
4863 "size of the file at that time."
|
dongsheng@627
|
4864 msgstr ""
|
dongsheng@627
|
4865
|
dongsheng@627
|
4866 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4867 #: ../en/ch03-concepts.xml:707
|
dongsheng@627
|
4868 msgid ""
|
dongsheng@627
|
4869 "When you explicitly <command role=\"hg-cmd\">hg add</command>, <command role="
|
dongsheng@627
|
4870 "\"hg-cmd\">hg remove</command>, <command role=\"hg-cmd\">hg rename</command> "
|
dongsheng@627
|
4871 "or <command role=\"hg-cmd\">hg copy</command> files, Mercurial updates the "
|
dongsheng@627
|
4872 "dirstate so that it knows what to do with those files when you commit."
|
dongsheng@627
|
4873 msgstr ""
|
dongsheng@627
|
4874
|
dongsheng@627
|
4875 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
4876 #: ../en/ch03-concepts.xml:714
|
dongsheng@627
|
4877 msgid ""
|
dongsheng@627
|
4878 "When Mercurial is checking the states of files in the working directory, it "
|
dongsheng@627
|
4879 "first checks a file's modification time. If that has not changed, the file "
|
dongsheng@627
|
4880 "must not have been modified. If the file's size has changed, the file must "
|
dongsheng@627
|
4881 "have been modified. If the modification time has changed, but the size has "
|
dongsheng@627
|
4882 "not, only then does Mercurial need to read the actual contents of the file to "
|
dongsheng@627
|
4883 "see if they've changed. Storing these few extra pieces of information "
|
dongsheng@627
|
4884 "dramatically reduces the amount of data that Mercurial needs to read, which "
|
dongsheng@627
|
4885 "yields large performance improvements compared to other revision control "
|
dongsheng@627
|
4886 "systems."
|
dongsheng@627
|
4887 msgstr ""
|
dongsheng@627
|
4888
|
dongsheng@627
|
4889 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
4890 #: ../en/ch04-daily.xml:5
|
dongsheng@627
|
4891 msgid "Mercurial in daily use"
|
dongsheng@627
|
4892 msgstr "Mercurial 的日常使用"
|
dongsheng@627
|
4893
|
dongsheng@627
|
4894 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
4895 #: ../en/ch04-daily.xml:8
|
dongsheng@627
|
4896 msgid "Telling Mercurial which files to track"
|
dongsheng@627
|
4897 msgstr "告诉 Mercurial 要跟踪哪些文件"
|
dongsheng@627
|
4898
|
dongsheng@627
|
4899 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
4900 #: ../en/ch04-daily.xml:10
|
dongsheng@627
|
4901 msgid ""
|
dongsheng@627
|
4902 "Mercurial does not work with files in your repository unless you tell it to "
|
dongsheng@627
|
4903 "manage them. The <command role=\"hg-cmd\">hg status</command> command will "
|
dongsheng@627
|
4904 "tell you which files Mercurial doesn't know about; it uses a <quote><literal>?"
|
dongsheng@627
|
4905 "</literal></quote> to display such files."
|
dongsheng@627
|
4906 msgstr ""
|
dongsheng@627
|
4907
|
dongsheng@627
|
4908 #
|
dongsheng@627
|
4909 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
4910 #: ../en/ch04-daily.xml:17
|
dongsheng@627
|
4911 msgid ""
|
dongsheng@627
|
4912 "To tell Mercurial to track a file, use the <command role=\"hg-cmd\">hg add</"
|
dongsheng@627
|
4913 "command> command. Once you have added a file, the entry in the output of "
|
dongsheng@627
|
4914 "<command role=\"hg-cmd\">hg status</command> for that file changes from "
|
dongsheng@627
|
4915 "<quote><literal>?</literal></quote> to <quote><literal>A</literal></quote>."
|
dongsheng@627
|
4916 msgstr ""
|
dongsheng@627
|
4917
|
dongsheng@627
|
4918 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
4919 #: ../en/ch04-daily.xml:26
|
dongsheng@627
|
4920 msgid ""
|
dongsheng@627
|
4921 "After you run a <command role=\"hg-cmd\">hg commit</command>, the files that "
|
dongsheng@627
|
4922 "you added before the commit will no longer be listed in the output of "
|
dongsheng@627
|
4923 "<command role=\"hg-cmd\">hg status</command>. The reason for this is that "
|
dongsheng@627
|
4924 "<command role=\"hg-cmd\">hg status</command> only tells you about "
|
songdongsheng@668
|
4925 "<quote>interesting</quote> files&emdash;those that you have modified or told "
|
songdongsheng@668
|
4926 "Mercurial to do something with&emdash;by default. If you have a repository "
|
songdongsheng@668
|
4927 "that contains thousands of files, you will rarely want to know about files "
|
songdongsheng@668
|
4928 "that Mercurial is tracking, but that have not changed. (You can still get "
|
songdongsheng@668
|
4929 "this information; we'll return to this later.)"
|
dongsheng@627
|
4930 msgstr ""
|
dongsheng@627
|
4931
|
dongsheng@627
|
4932 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
4933 #: ../en/ch04-daily.xml:38
|
dongsheng@627
|
4934 msgid ""
|
dongsheng@627
|
4935 "Once you add a file, Mercurial doesn't do anything with it immediately. "
|
dongsheng@627
|
4936 "Instead, it will take a snapshot of the file's state the next time you "
|
dongsheng@627
|
4937 "perform a commit. It will then continue to track the changes you make to the "
|
dongsheng@627
|
4938 "file every time you commit, until you remove the file."
|
dongsheng@627
|
4939 msgstr ""
|
dongsheng@627
|
4940
|
dongsheng@627
|
4941 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
4942 #: ../en/ch04-daily.xml:45
|
dongsheng@627
|
4943 msgid "Explicit versus implicit file naming"
|
dongsheng@627
|
4944 msgstr "明确与隐含文件命名"
|
dongsheng@627
|
4945
|
dongsheng@627
|
4946 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4947 #: ../en/ch04-daily.xml:47
|
dongsheng@627
|
4948 msgid ""
|
dongsheng@627
|
4949 "A useful behaviour that Mercurial has is that if you pass the name of a "
|
dongsheng@627
|
4950 "directory to a command, every Mercurial command will treat this as <quote>I "
|
dongsheng@627
|
4951 "want to operate on every file in this directory and its subdirectories</"
|
dongsheng@627
|
4952 "quote>."
|
dongsheng@627
|
4953 msgstr ""
|
dongsheng@627
|
4954
|
dongsheng@627
|
4955 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4956 #: ../en/ch04-daily.xml:54
|
dongsheng@627
|
4957 msgid ""
|
dongsheng@627
|
4958 "Notice in this example that Mercurial printed the names of the files it "
|
dongsheng@627
|
4959 "added, whereas it didn't do so when we added the file named <filename>a</"
|
dongsheng@627
|
4960 "filename> in the earlier example."
|
dongsheng@627
|
4961 msgstr ""
|
dongsheng@627
|
4962
|
dongsheng@627
|
4963 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4964 #: ../en/ch04-daily.xml:59
|
dongsheng@627
|
4965 msgid ""
|
dongsheng@627
|
4966 "What's going on is that in the former case, we explicitly named the file to "
|
dongsheng@627
|
4967 "add on the command line, so the assumption that Mercurial makes in such cases "
|
dongsheng@627
|
4968 "is that you know what you were doing, and it doesn't print any output."
|
dongsheng@627
|
4969 msgstr ""
|
dongsheng@627
|
4970
|
dongsheng@627
|
4971 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4972 #: ../en/ch04-daily.xml:64
|
dongsheng@627
|
4973 msgid ""
|
dongsheng@627
|
4974 "However, when we <emphasis>imply</emphasis> the names of files by giving the "
|
dongsheng@627
|
4975 "name of a directory, Mercurial takes the extra step of printing the name of "
|
dongsheng@627
|
4976 "each file that it does something with. This makes it more clear what is "
|
dongsheng@627
|
4977 "happening, and reduces the likelihood of a silent and nasty surprise. This "
|
dongsheng@627
|
4978 "behaviour is common to most Mercurial commands."
|
dongsheng@627
|
4979 msgstr ""
|
dongsheng@627
|
4980
|
dongsheng@627
|
4981 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
4982 #: ../en/ch04-daily.xml:73
|
dongsheng@627
|
4983 msgid "Aside: Mercurial tracks files, not directories"
|
dongsheng@627
|
4984 msgstr "旁白: Mercurial 只跟踪文件,不跟踪目录"
|
dongsheng@627
|
4985
|
dongsheng@627
|
4986 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4987 #: ../en/ch04-daily.xml:75
|
dongsheng@627
|
4988 msgid ""
|
dongsheng@627
|
4989 "Mercurial does not track directory information. Instead, it tracks the path "
|
dongsheng@627
|
4990 "to a file. Before creating a file, it first creates any missing directory "
|
dongsheng@627
|
4991 "components of the path. After it deletes a file, it then deletes any empty "
|
dongsheng@627
|
4992 "directories that were in the deleted file's path. This sounds like a trivial "
|
dongsheng@627
|
4993 "distinction, but it has one minor practical consequence: it is not possible "
|
dongsheng@627
|
4994 "to represent a completely empty directory in Mercurial."
|
dongsheng@627
|
4995 msgstr ""
|
dongsheng@627
|
4996
|
dongsheng@627
|
4997 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
4998 #: ../en/ch04-daily.xml:84
|
dongsheng@627
|
4999 msgid ""
|
dongsheng@627
|
5000 "Empty directories are rarely useful, and there are unintrusive workarounds "
|
dongsheng@627
|
5001 "that you can use to achieve an appropriate effect. The developers of "
|
dongsheng@627
|
5002 "Mercurial thus felt that the complexity that would be required to manage "
|
dongsheng@627
|
5003 "empty directories was not worth the limited benefit this feature would bring."
|
dongsheng@627
|
5004 msgstr ""
|
dongsheng@627
|
5005
|
dongsheng@627
|
5006 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5007 #: ../en/ch04-daily.xml:91
|
dongsheng@627
|
5008 msgid ""
|
dongsheng@627
|
5009 "If you need an empty directory in your repository, there are a few ways to "
|
dongsheng@627
|
5010 "achieve this. One is to create a directory, then <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
5011 "add</command> a <quote>hidden</quote> file to that directory. On Unix-like "
|
dongsheng@627
|
5012 "systems, any file name that begins with a period (<quote><literal>.</"
|
dongsheng@627
|
5013 "literal></quote>) is treated as hidden by most commands and GUI tools. This "
|
dongsheng@627
|
5014 "approach is illustrated below."
|
dongsheng@627
|
5015 msgstr ""
|
dongsheng@627
|
5016
|
dongsheng@627
|
5017 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5018 #: ../en/ch04-daily.xml:102
|
dongsheng@627
|
5019 msgid ""
|
dongsheng@627
|
5020 "Another way to tackle a need for an empty directory is to simply create one "
|
dongsheng@627
|
5021 "in your automated build scripts before they will need it."
|
dongsheng@627
|
5022 msgstr ""
|
dongsheng@627
|
5023
|
dongsheng@627
|
5024 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
5025 #: ../en/ch04-daily.xml:109
|
dongsheng@627
|
5026 msgid "How to stop tracking a file"
|
dongsheng@627
|
5027 msgstr "如何停止跟踪文件"
|
dongsheng@627
|
5028
|
dongsheng@627
|
5029 #
|
dongsheng@627
|
5030 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5031 #: ../en/ch04-daily.xml:111
|
dongsheng@627
|
5032 msgid ""
|
dongsheng@627
|
5033 "Once you decide that a file no longer belongs in your repository, use the "
|
dongsheng@627
|
5034 "<command role=\"hg-cmd\">hg remove</command> command; this deletes the file, "
|
dongsheng@627
|
5035 "and tells Mercurial to stop tracking it. A removed file is represented in "
|
dongsheng@627
|
5036 "the output of <command role=\"hg-cmd\">hg status</command> with a "
|
dongsheng@627
|
5037 "<quote><literal>R</literal></quote>."
|
dongsheng@627
|
5038 msgstr ""
|
dongsheng@627
|
5039
|
dongsheng@627
|
5040 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5041 #: ../en/ch04-daily.xml:120
|
dongsheng@627
|
5042 msgid ""
|
dongsheng@627
|
5043 "After you <command role=\"hg-cmd\">hg remove</command> a file, Mercurial will "
|
dongsheng@627
|
5044 "no longer track changes to that file, even if you recreate a file with the "
|
dongsheng@627
|
5045 "same name in your working directory. If you do recreate a file with the same "
|
dongsheng@627
|
5046 "name and want Mercurial to track the new file, simply <command role=\"hg-cmd"
|
dongsheng@627
|
5047 "\">hg add</command> it. Mercurial will know that the newly added file is not "
|
dongsheng@627
|
5048 "related to the old file of the same name."
|
dongsheng@627
|
5049 msgstr ""
|
dongsheng@627
|
5050
|
dongsheng@627
|
5051 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5052 #: ../en/ch04-daily.xml:129
|
dongsheng@627
|
5053 msgid "Removing a file does not affect its history"
|
dongsheng@627
|
5054 msgstr "删除文件不影响历史"
|
dongsheng@627
|
5055
|
dongsheng@627
|
5056 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5057 #: ../en/ch04-daily.xml:131
|
dongsheng@627
|
5058 msgid "It is important to understand that removing a file has only two effects."
|
dongsheng@627
|
5059 msgstr ""
|
dongsheng@627
|
5060
|
dongsheng@627
|
5061 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
5062 #: ../en/ch04-daily.xml:134
|
dongsheng@627
|
5063 msgid "It removes the current version of the file from the working directory."
|
dongsheng@627
|
5064 msgstr ""
|
dongsheng@627
|
5065
|
dongsheng@627
|
5066 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
5067 #: ../en/ch04-daily.xml:137
|
dongsheng@627
|
5068 msgid ""
|
dongsheng@627
|
5069 "It stops Mercurial from tracking changes to the file, from the time of the "
|
dongsheng@627
|
5070 "next commit."
|
dongsheng@627
|
5071 msgstr ""
|
dongsheng@627
|
5072
|
dongsheng@627
|
5073 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5074 #: ../en/ch04-daily.xml:140
|
dongsheng@627
|
5075 msgid ""
|
dongsheng@627
|
5076 "Removing a file <emphasis>does not</emphasis> in any way alter the "
|
dongsheng@627
|
5077 "<emphasis>history</emphasis> of the file."
|
dongsheng@627
|
5078 msgstr ""
|
dongsheng@627
|
5079
|
dongsheng@627
|
5080 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5081 #: ../en/ch04-daily.xml:143
|
dongsheng@627
|
5082 msgid ""
|
dongsheng@627
|
5083 "If you update the working directory to a changeset in which a file that you "
|
dongsheng@627
|
5084 "have removed was still tracked, it will reappear in the working directory, "
|
dongsheng@627
|
5085 "with the contents it had when you committed that changeset. If you then "
|
dongsheng@627
|
5086 "update the working directory to a later changeset, in which the file had been "
|
dongsheng@627
|
5087 "removed, Mercurial will once again remove the file from the working directory."
|
dongsheng@627
|
5088 msgstr ""
|
dongsheng@627
|
5089
|
dongsheng@627
|
5090 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5091 #: ../en/ch04-daily.xml:153
|
dongsheng@627
|
5092 msgid "Missing files"
|
dongsheng@627
|
5093 msgstr "丢失的文件"
|
dongsheng@627
|
5094
|
dongsheng@627
|
5095 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5096 #: ../en/ch04-daily.xml:155
|
dongsheng@627
|
5097 msgid ""
|
dongsheng@627
|
5098 "Mercurial considers a file that you have deleted, but not used <command role="
|
dongsheng@627
|
5099 "\"hg-cmd\">hg remove</command> to delete, to be <emphasis>missing</"
|
dongsheng@627
|
5100 "emphasis>. A missing file is represented with <quote><literal>!</literal></"
|
dongsheng@627
|
5101 "quote> in the output of <command role=\"hg-cmd\">hg status</command>. "
|
dongsheng@627
|
5102 "Mercurial commands will not generally do anything with missing files."
|
dongsheng@627
|
5103 msgstr ""
|
dongsheng@627
|
5104
|
dongsheng@627
|
5105 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5106 #: ../en/ch04-daily.xml:165
|
dongsheng@627
|
5107 msgid ""
|
dongsheng@627
|
5108 "If your repository contains a file that <command role=\"hg-cmd\">hg status</"
|
dongsheng@627
|
5109 "command> reports as missing, and you want the file to stay gone, you can run "
|
dongsheng@627
|
5110 "<command role=\"hg-cmd\">hg remove <option role=\"hg-opt-remove\">--after</"
|
dongsheng@627
|
5111 "option></command> at any time later on, to tell Mercurial that you really did "
|
dongsheng@627
|
5112 "mean to remove the file."
|
dongsheng@627
|
5113 msgstr ""
|
dongsheng@627
|
5114
|
dongsheng@627
|
5115 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5116 #: ../en/ch04-daily.xml:175
|
dongsheng@627
|
5117 msgid ""
|
dongsheng@627
|
5118 "On the other hand, if you deleted the missing file by accident, give <command "
|
dongsheng@627
|
5119 "role=\"hg-cmd\">hg revert</command> the name of the file to recover. It will "
|
dongsheng@627
|
5120 "reappear, in unmodified form."
|
dongsheng@627
|
5121 msgstr ""
|
dongsheng@627
|
5122
|
dongsheng@627
|
5123 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5124 #: ../en/ch04-daily.xml:184
|
dongsheng@627
|
5125 msgid "Aside: why tell Mercurial explicitly to remove a file?"
|
dongsheng@627
|
5126 msgstr "旁白: 为什么要明确告诉 Mercurial 删除文件?"
|
dongsheng@627
|
5127
|
dongsheng@627
|
5128 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5129 #: ../en/ch04-daily.xml:187
|
dongsheng@627
|
5130 msgid ""
|
dongsheng@627
|
5131 "You might wonder why Mercurial requires you to explicitly tell it that you "
|
dongsheng@627
|
5132 "are deleting a file. Early during the development of Mercurial, it let you "
|
dongsheng@627
|
5133 "delete a file however you pleased; Mercurial would notice the absence of the "
|
dongsheng@627
|
5134 "file automatically when you next ran a <command role=\"hg-cmd\">hg commit</"
|
dongsheng@627
|
5135 "command>, and stop tracking the file. In practice, this made it too easy to "
|
dongsheng@627
|
5136 "accidentally remove a file without noticing."
|
dongsheng@627
|
5137 msgstr ""
|
dongsheng@627
|
5138
|
dongsheng@627
|
5139 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5140 #: ../en/ch04-daily.xml:198
|
songdongsheng@668
|
5141 msgid "Useful shorthand&emdash;adding and removing files in one step"
|
dongsheng@661
|
5142 msgstr "有用的速记—一个步骤添加和删除文件"
|
dongsheng@627
|
5143
|
dongsheng@627
|
5144 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5145 #: ../en/ch04-daily.xml:201
|
dongsheng@627
|
5146 msgid ""
|
dongsheng@627
|
5147 "Mercurial offers a combination command, <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
5148 "addremove</command>, that adds untracked files and marks missing files as "
|
dongsheng@627
|
5149 "removed."
|
dongsheng@627
|
5150 msgstr ""
|
dongsheng@627
|
5151
|
dongsheng@627
|
5152 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5153 #: ../en/ch04-daily.xml:207
|
dongsheng@627
|
5154 msgid ""
|
dongsheng@627
|
5155 "The <command role=\"hg-cmd\">hg commit</command> command also provides a "
|
dongsheng@627
|
5156 "<option role=\"hg-opt-commit\">-A</option> option that performs this same add-"
|
dongsheng@627
|
5157 "and-remove, immediately followed by a commit."
|
dongsheng@627
|
5158 msgstr ""
|
dongsheng@627
|
5159
|
dongsheng@627
|
5160 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
5161 #: ../en/ch04-daily.xml:217
|
dongsheng@627
|
5162 msgid "Copying files"
|
dongsheng@627
|
5163 msgstr "复制文件"
|
dongsheng@627
|
5164
|
dongsheng@627
|
5165 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5166 #: ../en/ch04-daily.xml:219
|
dongsheng@627
|
5167 msgid ""
|
dongsheng@627
|
5168 "Mercurial provides a <command role=\"hg-cmd\">hg copy</command> command that "
|
dongsheng@627
|
5169 "lets you make a new copy of a file. When you copy a file using this command, "
|
dongsheng@627
|
5170 "Mercurial makes a record of the fact that the new file is a copy of the "
|
dongsheng@627
|
5171 "original file. It treats these copied files specially when you merge your "
|
dongsheng@627
|
5172 "work with someone else's."
|
dongsheng@627
|
5173 msgstr ""
|
dongsheng@627
|
5174
|
dongsheng@627
|
5175 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5176 #: ../en/ch04-daily.xml:227
|
dongsheng@627
|
5177 msgid "The results of copying during a merge"
|
dongsheng@627
|
5178 msgstr "合并期间的复制结果"
|
dongsheng@627
|
5179
|
dongsheng@627
|
5180 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5181 #: ../en/ch04-daily.xml:229
|
dongsheng@627
|
5182 msgid ""
|
dongsheng@627
|
5183 "What happens during a merge is that changes <quote>follow</quote> a copy. To "
|
dongsheng@627
|
5184 "best illustrate what this means, let's create an example. We'll start with "
|
dongsheng@627
|
5185 "the usual tiny repository that contains a single file."
|
dongsheng@627
|
5186 msgstr ""
|
dongsheng@627
|
5187
|
dongsheng@627
|
5188 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5189 #: ../en/ch04-daily.xml:236
|
dongsheng@627
|
5190 msgid ""
|
dongsheng@627
|
5191 "We need to do some work in parallel, so that we'll have something to merge. "
|
dongsheng@627
|
5192 "So let's clone our repository."
|
dongsheng@627
|
5193 msgstr ""
|
dongsheng@627
|
5194
|
dongsheng@627
|
5195 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5196 #: ../en/ch04-daily.xml:242
|
dongsheng@627
|
5197 msgid ""
|
dongsheng@627
|
5198 "Back in our initial repository, let's use the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
5199 "copy</command> command to make a copy of the first file we created."
|
dongsheng@627
|
5200 msgstr ""
|
dongsheng@627
|
5201
|
dongsheng@627
|
5202 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5203 #: ../en/ch04-daily.xml:248
|
dongsheng@627
|
5204 msgid ""
|
dongsheng@627
|
5205 "If we look at the output of the <command role=\"hg-cmd\">hg status</command> "
|
dongsheng@627
|
5206 "command afterwards, the copied file looks just like a normal added file."
|
dongsheng@627
|
5207 msgstr ""
|
dongsheng@627
|
5208
|
dongsheng@627
|
5209 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5210 #: ../en/ch04-daily.xml:254
|
dongsheng@627
|
5211 msgid ""
|
dongsheng@627
|
5212 "But if we pass the <option role=\"hg-opt-status\">-C</option> option to "
|
dongsheng@627
|
5213 "<command role=\"hg-cmd\">hg status</command>, it prints another line of "
|
dongsheng@627
|
5214 "output: this is the file that our newly-added file was copied <emphasis>from</"
|
dongsheng@627
|
5215 "emphasis>."
|
dongsheng@627
|
5216 msgstr ""
|
dongsheng@627
|
5217
|
dongsheng@627
|
5218 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5219 #: ../en/ch04-daily.xml:262
|
dongsheng@627
|
5220 msgid ""
|
dongsheng@627
|
5221 "Now, back in the repository we cloned, let's make a change in parallel. "
|
dongsheng@627
|
5222 "We'll add a line of content to the original file that we created."
|
dongsheng@627
|
5223 msgstr ""
|
dongsheng@627
|
5224
|
dongsheng@627
|
5225 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5226 #: ../en/ch04-daily.xml:268
|
dongsheng@627
|
5227 msgid ""
|
dongsheng@627
|
5228 "Now we have a modified <filename>file</filename> in this repository. When we "
|
dongsheng@627
|
5229 "pull the changes from the first repository, and merge the two heads, "
|
dongsheng@627
|
5230 "Mercurial will propagate the changes that we made locally to <filename>file</"
|
dongsheng@627
|
5231 "filename> into its copy, <filename>new-file</filename>."
|
dongsheng@627
|
5232 msgstr ""
|
dongsheng@627
|
5233
|
dongsheng@627
|
5234 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5235 #: ../en/ch04-daily.xml:278
|
dongsheng@627
|
5236 msgid "Why should changes follow copies?"
|
dongsheng@627
|
5237 msgstr "为什么复制后需要后续修改?"
|
dongsheng@627
|
5238
|
dongsheng@627
|
5239 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5240 #: ../en/ch04-daily.xml:280
|
dongsheng@627
|
5241 msgid ""
|
dongsheng@627
|
5242 "This behaviour, of changes to a file propagating out to copies of the file, "
|
dongsheng@627
|
5243 "might seem esoteric, but in most cases it's highly desirable."
|
dongsheng@627
|
5244 msgstr ""
|
dongsheng@627
|
5245
|
dongsheng@627
|
5246 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5247 #: ../en/ch04-daily.xml:284
|
dongsheng@627
|
5248 msgid ""
|
dongsheng@627
|
5249 "First of all, remember that this propagation <emphasis>only</emphasis> "
|
dongsheng@627
|
5250 "happens when you merge. So if you <command role=\"hg-cmd\">hg copy</command> "
|
dongsheng@627
|
5251 "a file, and subsequently modify the original file during the normal course of "
|
dongsheng@627
|
5252 "your work, nothing will happen."
|
dongsheng@627
|
5253 msgstr ""
|
dongsheng@627
|
5254
|
dongsheng@627
|
5255 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5256 #: ../en/ch04-daily.xml:290
|
dongsheng@627
|
5257 msgid ""
|
dongsheng@627
|
5258 "The second thing to know is that modifications will only propagate across a "
|
dongsheng@627
|
5259 "copy as long as the repository that you're pulling changes from "
|
dongsheng@627
|
5260 "<emphasis>doesn't know</emphasis> about the copy."
|
dongsheng@627
|
5261 msgstr ""
|
dongsheng@627
|
5262
|
dongsheng@627
|
5263 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5264 #: ../en/ch04-daily.xml:295
|
dongsheng@627
|
5265 msgid ""
|
dongsheng@627
|
5266 "The reason that Mercurial does this is as follows. Let's say I make an "
|
dongsheng@627
|
5267 "important bug fix in a source file, and commit my changes. Meanwhile, you've "
|
dongsheng@627
|
5268 "decided to <command role=\"hg-cmd\">hg copy</command> the file in your "
|
dongsheng@627
|
5269 "repository, without knowing about the bug or having seen the fix, and you "
|
dongsheng@627
|
5270 "have started hacking on your copy of the file."
|
dongsheng@627
|
5271 msgstr ""
|
dongsheng@627
|
5272
|
dongsheng@627
|
5273 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5274 #: ../en/ch04-daily.xml:302
|
dongsheng@627
|
5275 msgid ""
|
dongsheng@627
|
5276 "If you pulled and merged my changes, and Mercurial <emphasis>didn't</"
|
dongsheng@627
|
5277 "emphasis> propagate changes across copies, your source file would now contain "
|
dongsheng@627
|
5278 "the bug, and unless you remembered to propagate the bug fix by hand, the bug "
|
dongsheng@627
|
5279 "would <emphasis>remain</emphasis> in your copy of the file."
|
dongsheng@627
|
5280 msgstr ""
|
dongsheng@627
|
5281
|
dongsheng@627
|
5282 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5283 #: ../en/ch04-daily.xml:308
|
dongsheng@627
|
5284 msgid ""
|
dongsheng@627
|
5285 "By automatically propagating the change that fixed the bug from the original "
|
dongsheng@627
|
5286 "file to the copy, Mercurial prevents this class of problem. To my knowledge, "
|
dongsheng@627
|
5287 "Mercurial is the <emphasis>only</emphasis> revision control system that "
|
dongsheng@627
|
5288 "propagates changes across copies like this."
|
dongsheng@627
|
5289 msgstr ""
|
dongsheng@627
|
5290
|
dongsheng@627
|
5291 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5292 #: ../en/ch04-daily.xml:314
|
dongsheng@627
|
5293 msgid ""
|
dongsheng@627
|
5294 "Once your change history has a record that the copy and subsequent merge "
|
dongsheng@627
|
5295 "occurred, there's usually no further need to propagate changes from the "
|
dongsheng@627
|
5296 "original file to the copied file, and that's why Mercurial only propagates "
|
dongsheng@627
|
5297 "changes across copies until this point, and no further."
|
dongsheng@627
|
5298 msgstr ""
|
dongsheng@627
|
5299
|
dongsheng@627
|
5300 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5301 #: ../en/ch04-daily.xml:322
|
dongsheng@627
|
5302 msgid "How to make changes <emphasis>not</emphasis> follow a copy"
|
dongsheng@627
|
5303 msgstr "如何让复制后<emphasis>不</emphasis>修改?"
|
dongsheng@627
|
5304
|
dongsheng@627
|
5305 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5306 #: ../en/ch04-daily.xml:325
|
dongsheng@627
|
5307 msgid ""
|
dongsheng@627
|
5308 "If, for some reason, you decide that this business of automatically "
|
dongsheng@627
|
5309 "propagating changes across copies is not for you, simply use your system's "
|
dongsheng@627
|
5310 "normal file copy command (on Unix-like systems, that's <command>cp</command>) "
|
dongsheng@627
|
5311 "to make a copy of a file, then <command role=\"hg-cmd\">hg add</command> the "
|
songdongsheng@658
|
5312 "new copy by hand. Before you do so, though, please do reread <xref linkend="
|
songdongsheng@658
|
5313 "\"sec:daily:why-copy\"/>, and make an informed decision that this behaviour "
|
songdongsheng@658
|
5314 "is not appropriate to your specific case."
|
dongsheng@627
|
5315 msgstr ""
|
dongsheng@627
|
5316
|
dongsheng@627
|
5317 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5318 #: ../en/ch04-daily.xml:338
|
dongsheng@627
|
5319 msgid "Behaviour of the <command role=\"hg-cmd\">hg copy</command> command"
|
dongsheng@627
|
5320 msgstr "命令 <command role=\"hg-cmd\">hg copy</command> 的特性"
|
dongsheng@627
|
5321
|
dongsheng@627
|
5322 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5323 #: ../en/ch04-daily.xml:341
|
dongsheng@627
|
5324 msgid ""
|
dongsheng@627
|
5325 "When you use the <command role=\"hg-cmd\">hg copy</command> command, "
|
dongsheng@627
|
5326 "Mercurial makes a copy of each source file as it currently stands in the "
|
dongsheng@627
|
5327 "working directory. This means that if you make some modifications to a file, "
|
dongsheng@627
|
5328 "then <command role=\"hg-cmd\">hg copy</command> it without first having "
|
dongsheng@627
|
5329 "committed those changes, the new copy will also contain the modifications you "
|
dongsheng@627
|
5330 "have made up until that point. (I find this behaviour a little "
|
dongsheng@627
|
5331 "counterintuitive, which is why I mention it here.)"
|
dongsheng@627
|
5332 msgstr ""
|
dongsheng@627
|
5333
|
dongsheng@627
|
5334 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5335 #: ../en/ch04-daily.xml:351
|
dongsheng@627
|
5336 msgid ""
|
dongsheng@627
|
5337 "The <command role=\"hg-cmd\">hg copy</command> command acts similarly to the "
|
dongsheng@627
|
5338 "Unix <command>cp</command> command (you can use the <command role=\"hg-cmd"
|
dongsheng@627
|
5339 "\">hg cp</command> alias if you prefer). The last argument is the "
|
dongsheng@627
|
5340 "<emphasis>destination</emphasis>, and all prior arguments are "
|
dongsheng@627
|
5341 "<emphasis>sources</emphasis>. If you pass it a single file as the source, "
|
dongsheng@627
|
5342 "and the destination does not exist, it creates a new file with that name."
|
dongsheng@627
|
5343 msgstr ""
|
dongsheng@627
|
5344
|
dongsheng@627
|
5345 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5346 #: ../en/ch04-daily.xml:362
|
dongsheng@627
|
5347 msgid ""
|
dongsheng@627
|
5348 "If the destination is a directory, Mercurial copies its sources into that "
|
dongsheng@627
|
5349 "directory."
|
dongsheng@627
|
5350 msgstr ""
|
dongsheng@627
|
5351
|
dongsheng@627
|
5352 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5353 #: ../en/ch04-daily.xml:367
|
dongsheng@627
|
5354 msgid ""
|
dongsheng@627
|
5355 "Copying a directory is recursive, and preserves the directory structure of "
|
dongsheng@627
|
5356 "the source."
|
dongsheng@627
|
5357 msgstr ""
|
dongsheng@627
|
5358
|
dongsheng@627
|
5359 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5360 #: ../en/ch04-daily.xml:373
|
dongsheng@627
|
5361 msgid ""
|
dongsheng@627
|
5362 "If the source and destination are both directories, the source tree is "
|
dongsheng@627
|
5363 "recreated in the destination directory."
|
dongsheng@627
|
5364 msgstr ""
|
dongsheng@627
|
5365
|
dongsheng@627
|
5366 #
|
dongsheng@627
|
5367 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5368 #: ../en/ch04-daily.xml:378
|
dongsheng@627
|
5369 msgid ""
|
dongsheng@627
|
5370 "As with the <command role=\"hg-cmd\">hg rename</command> command, if you copy "
|
dongsheng@627
|
5371 "a file manually and then want Mercurial to know that you've copied the file, "
|
dongsheng@627
|
5372 "simply use the <option role=\"hg-opt-copy\">--after</option> option to "
|
dongsheng@627
|
5373 "<command role=\"hg-cmd\">hg copy</command>."
|
dongsheng@627
|
5374 msgstr ""
|
dongsheng@627
|
5375
|
dongsheng@627
|
5376 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
5377 #: ../en/ch04-daily.xml:389
|
dongsheng@627
|
5378 msgid "Renaming files"
|
dongsheng@627
|
5379 msgstr "改名文件"
|
dongsheng@627
|
5380
|
dongsheng@627
|
5381 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5382 #: ../en/ch04-daily.xml:391
|
dongsheng@627
|
5383 msgid ""
|
dongsheng@627
|
5384 "It's rather more common to need to rename a file than to make a copy of it. "
|
dongsheng@627
|
5385 "The reason I discussed the <command role=\"hg-cmd\">hg copy</command> command "
|
dongsheng@627
|
5386 "before talking about renaming files is that Mercurial treats a rename in "
|
dongsheng@627
|
5387 "essentially the same way as a copy. Therefore, knowing what Mercurial does "
|
dongsheng@627
|
5388 "when you copy a file tells you what to expect when you rename a file."
|
dongsheng@627
|
5389 msgstr ""
|
dongsheng@627
|
5390
|
dongsheng@627
|
5391 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5392 #: ../en/ch04-daily.xml:399
|
dongsheng@627
|
5393 msgid ""
|
dongsheng@627
|
5394 "When you use the <command role=\"hg-cmd\">hg rename</command> command, "
|
dongsheng@627
|
5395 "Mercurial makes a copy of each source file, then deletes it and marks the "
|
dongsheng@627
|
5396 "file as removed."
|
dongsheng@627
|
5397 msgstr ""
|
dongsheng@627
|
5398
|
dongsheng@627
|
5399 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5400 #: ../en/ch04-daily.xml:405
|
dongsheng@627
|
5401 msgid ""
|
dongsheng@627
|
5402 "The <command role=\"hg-cmd\">hg status</command> command shows the newly "
|
dongsheng@627
|
5403 "copied file as added, and the copied-from file as removed."
|
dongsheng@627
|
5404 msgstr ""
|
dongsheng@627
|
5405
|
dongsheng@627
|
5406 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5407 #: ../en/ch04-daily.xml:411
|
dongsheng@627
|
5408 msgid ""
|
dongsheng@627
|
5409 "As with the results of a <command role=\"hg-cmd\">hg copy</command>, we must "
|
dongsheng@627
|
5410 "use the <option role=\"hg-opt-status\">-C</option> option to <command role="
|
dongsheng@627
|
5411 "\"hg-cmd\">hg status</command> to see that the added file is really being "
|
dongsheng@627
|
5412 "tracked by Mercurial as a copy of the original, now removed, file."
|
dongsheng@627
|
5413 msgstr ""
|
dongsheng@627
|
5414
|
dongsheng@627
|
5415 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5416 #: ../en/ch04-daily.xml:420
|
dongsheng@627
|
5417 msgid ""
|
dongsheng@627
|
5418 "As with <command role=\"hg-cmd\">hg remove</command> and <command role=\"hg-"
|
dongsheng@627
|
5419 "cmd\">hg copy</command>, you can tell Mercurial about a rename after the fact "
|
dongsheng@627
|
5420 "using the <option role=\"hg-opt-rename\">--after</option> option. In most "
|
dongsheng@627
|
5421 "other respects, the behaviour of the <command role=\"hg-cmd\">hg rename</"
|
dongsheng@627
|
5422 "command> command, and the options it accepts, are similar to the <command "
|
dongsheng@627
|
5423 "role=\"hg-cmd\">hg copy</command> command."
|
dongsheng@627
|
5424 msgstr ""
|
dongsheng@627
|
5425
|
dongsheng@627
|
5426 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5427 #: ../en/ch04-daily.xml:430
|
dongsheng@627
|
5428 msgid "Renaming files and merging changes"
|
dongsheng@627
|
5429 msgstr "改名文件与合并修改"
|
dongsheng@627
|
5430
|
dongsheng@627
|
5431 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5432 #: ../en/ch04-daily.xml:432
|
dongsheng@627
|
5433 msgid ""
|
dongsheng@627
|
5434 "Since Mercurial's rename is implemented as copy-and-remove, the same "
|
dongsheng@627
|
5435 "propagation of changes happens when you merge after a rename as after a copy."
|
dongsheng@627
|
5436 msgstr ""
|
dongsheng@627
|
5437
|
dongsheng@627
|
5438 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5439 #: ../en/ch04-daily.xml:436
|
dongsheng@627
|
5440 msgid ""
|
dongsheng@627
|
5441 "If I modify a file, and you rename it to a new name, and then we merge our "
|
dongsheng@627
|
5442 "respective changes, my modifications to the file under its original name will "
|
dongsheng@627
|
5443 "be propagated into the file under its new name. (This is something you might "
|
dongsheng@627
|
5444 "expect to <quote>simply work,</quote> but not all revision control systems "
|
dongsheng@627
|
5445 "actually do this.)"
|
dongsheng@627
|
5446 msgstr ""
|
dongsheng@627
|
5447
|
dongsheng@627
|
5448 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5449 #: ../en/ch04-daily.xml:443
|
dongsheng@627
|
5450 msgid ""
|
dongsheng@627
|
5451 "Whereas having changes follow a copy is a feature where you can perhaps nod "
|
dongsheng@627
|
5452 "and say <quote>yes, that might be useful,</quote> it should be clear that "
|
dongsheng@627
|
5453 "having them follow a rename is definitely important. Without this facility, "
|
dongsheng@627
|
5454 "it would simply be too easy for changes to become orphaned when files are "
|
dongsheng@627
|
5455 "renamed."
|
dongsheng@627
|
5456 msgstr ""
|
dongsheng@627
|
5457
|
dongsheng@627
|
5458 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5459 #: ../en/ch04-daily.xml:452
|
dongsheng@627
|
5460 msgid "Divergent renames and merging"
|
dongsheng@627
|
5461 msgstr "改名与合并的分歧"
|
dongsheng@627
|
5462
|
dongsheng@627
|
5463 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5464 #: ../en/ch04-daily.xml:454
|
dongsheng@627
|
5465 msgid ""
|
songdongsheng@668
|
5466 "The case of diverging names occurs when two developers start with a "
|
songdongsheng@668
|
5467 "file&emdash;let's call it <filename>foo</filename>&emdash;in their respective "
|
dongsheng@627
|
5468 "repositories."
|
dongsheng@627
|
5469 msgstr ""
|
dongsheng@627
|
5470
|
dongsheng@627
|
5471 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5472 #: ../en/ch04-daily.xml:461
|
dongsheng@627
|
5473 msgid "Anne renames the file to <filename>bar</filename>."
|
dongsheng@627
|
5474 msgstr ""
|
dongsheng@627
|
5475
|
dongsheng@627
|
5476 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5477 #: ../en/ch04-daily.xml:465
|
dongsheng@627
|
5478 msgid "Meanwhile, Bob renames it to <filename>quux</filename>."
|
dongsheng@627
|
5479 msgstr ""
|
dongsheng@627
|
5480
|
dongsheng@627
|
5481 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5482 #: ../en/ch04-daily.xml:470
|
dongsheng@627
|
5483 msgid ""
|
dongsheng@627
|
5484 "I like to think of this as a conflict because each developer has expressed "
|
dongsheng@627
|
5485 "different intentions about what the file ought to be named."
|
dongsheng@627
|
5486 msgstr ""
|
dongsheng@627
|
5487
|
dongsheng@627
|
5488 #
|
dongsheng@627
|
5489 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5490 #: ../en/ch04-daily.xml:474
|
dongsheng@627
|
5491 msgid ""
|
dongsheng@627
|
5492 "What do you think should happen when they merge their work? Mercurial's "
|
dongsheng@627
|
5493 "actual behaviour is that it always preserves <emphasis>both</emphasis> names "
|
dongsheng@627
|
5494 "when it merges changesets that contain divergent renames."
|
dongsheng@627
|
5495 msgstr ""
|
dongsheng@627
|
5496
|
dongsheng@627
|
5497 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5498 #: ../en/ch04-daily.xml:481
|
dongsheng@627
|
5499 msgid ""
|
dongsheng@627
|
5500 "Notice that Mercurial does warn about the divergent renames, but it leaves it "
|
dongsheng@627
|
5501 "up to you to do something about the divergence after the merge."
|
dongsheng@627
|
5502 msgstr ""
|
dongsheng@627
|
5503
|
dongsheng@627
|
5504 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5505 #: ../en/ch04-daily.xml:487
|
dongsheng@627
|
5506 msgid "Convergent renames and merging"
|
dongsheng@627
|
5507 msgstr "收敛改名与合并"
|
dongsheng@627
|
5508
|
dongsheng@627
|
5509 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5510 #: ../en/ch04-daily.xml:489
|
dongsheng@627
|
5511 msgid ""
|
dongsheng@627
|
5512 "Another kind of rename conflict occurs when two people choose to rename "
|
dongsheng@627
|
5513 "different <emphasis>source</emphasis> files to the same "
|
dongsheng@627
|
5514 "<emphasis>destination</emphasis>. In this case, Mercurial runs its normal "
|
dongsheng@627
|
5515 "merge machinery, and lets you guide it to a suitable resolution."
|
dongsheng@627
|
5516 msgstr ""
|
dongsheng@627
|
5517
|
dongsheng@627
|
5518 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5519 #: ../en/ch04-daily.xml:497
|
dongsheng@627
|
5520 msgid "Other name-related corner cases"
|
dongsheng@627
|
5521 msgstr "其它名称相关的角落"
|
dongsheng@627
|
5522
|
dongsheng@627
|
5523 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5524 #: ../en/ch04-daily.xml:499
|
dongsheng@627
|
5525 msgid ""
|
dongsheng@627
|
5526 "Mercurial has a longstanding bug in which it fails to handle a merge where "
|
dongsheng@627
|
5527 "one side has a file with a given name, while another has a directory with the "
|
dongsheng@627
|
5528 "same name. This is documented as <ulink role=\"hg-bug\" url=\"http://www."
|
dongsheng@627
|
5529 "selenic.com/mercurial/bts/issue29\">issue 29</ulink>."
|
dongsheng@627
|
5530 msgstr ""
|
dongsheng@627
|
5531
|
dongsheng@627
|
5532 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
5533 #: ../en/ch04-daily.xml:511
|
dongsheng@627
|
5534 msgid "Recovering from mistakes"
|
dongsheng@627
|
5535 msgstr "从错误恢复"
|
dongsheng@627
|
5536
|
dongsheng@627
|
5537 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5538 #: ../en/ch04-daily.xml:513
|
dongsheng@627
|
5539 msgid ""
|
dongsheng@627
|
5540 "Mercurial has some useful commands that will help you to recover from some "
|
dongsheng@627
|
5541 "common mistakes."
|
dongsheng@627
|
5542 msgstr ""
|
dongsheng@627
|
5543
|
dongsheng@627
|
5544 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5545 #: ../en/ch04-daily.xml:516
|
dongsheng@627
|
5546 msgid ""
|
dongsheng@627
|
5547 "The <command role=\"hg-cmd\">hg revert</command> command lets you undo "
|
dongsheng@627
|
5548 "changes that you have made to your working directory. For example, if you "
|
dongsheng@627
|
5549 "<command role=\"hg-cmd\">hg add</command> a file by accident, just run "
|
dongsheng@627
|
5550 "<command role=\"hg-cmd\">hg revert</command> with the name of the file you "
|
dongsheng@627
|
5551 "added, and while the file won't be touched in any way, it won't be tracked "
|
dongsheng@627
|
5552 "for adding by Mercurial any longer, either. You can also use <command role="
|
dongsheng@627
|
5553 "\"hg-cmd\">hg revert</command> to get rid of erroneous changes to a file."
|
dongsheng@627
|
5554 msgstr ""
|
dongsheng@627
|
5555
|
dongsheng@627
|
5556 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5557 #: ../en/ch04-daily.xml:526
|
dongsheng@627
|
5558 msgid ""
|
dongsheng@627
|
5559 "It's useful to remember that the <command role=\"hg-cmd\">hg revert</command> "
|
dongsheng@627
|
5560 "command is useful for changes that you have not yet committed. Once you've "
|
dongsheng@627
|
5561 "committed a change, if you decide it was a mistake, you can still do "
|
dongsheng@627
|
5562 "something about it, though your options may be more limited."
|
dongsheng@627
|
5563 msgstr ""
|
dongsheng@627
|
5564
|
dongsheng@627
|
5565 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5566 #: ../en/ch04-daily.xml:532
|
dongsheng@627
|
5567 msgid ""
|
dongsheng@627
|
5568 "For more information about the <command role=\"hg-cmd\">hg revert</command> "
|
dongsheng@627
|
5569 "command, and details about how to deal with changes you have already "
|
songdongsheng@658
|
5570 "committed, see <xref linkend=\"chap:undo\"/>."
|
dongsheng@627
|
5571 msgstr ""
|
dongsheng@627
|
5572
|
dongsheng@627
|
5573 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
5574 #: ../en/ch05-collab.xml:5
|
dongsheng@627
|
5575 msgid "Collaborating with other people"
|
dongsheng@627
|
5576 msgstr "团体协作"
|
dongsheng@627
|
5577
|
dongsheng@627
|
5578 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
5579 #: ../en/ch05-collab.xml:7
|
dongsheng@627
|
5580 msgid ""
|
dongsheng@627
|
5581 "As a completely decentralised tool, Mercurial doesn't impose any policy on "
|
dongsheng@627
|
5582 "how people ought to work with each other. However, if you're new to "
|
dongsheng@627
|
5583 "distributed revision control, it helps to have some tools and examples in "
|
dongsheng@627
|
5584 "mind when you're thinking about possible workflow models."
|
dongsheng@627
|
5585 msgstr ""
|
dongsheng@627
|
5586
|
dongsheng@627
|
5587 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
5588 #: ../en/ch05-collab.xml:14
|
dongsheng@627
|
5589 msgid "Mercurial's web interface"
|
dongsheng@630
|
5590 msgstr "Mercurial 的 web 接口"
|
dongsheng@627
|
5591
|
dongsheng@627
|
5592 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5593 #: ../en/ch05-collab.xml:16
|
dongsheng@627
|
5594 msgid ""
|
dongsheng@627
|
5595 "Mercurial has a powerful web interface that provides several useful "
|
dongsheng@627
|
5596 "capabilities."
|
dongsheng@627
|
5597 msgstr ""
|
dongsheng@627
|
5598
|
dongsheng@627
|
5599 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5600 #: ../en/ch05-collab.xml:19
|
dongsheng@627
|
5601 msgid ""
|
dongsheng@627
|
5602 "For interactive use, the web interface lets you browse a single repository or "
|
dongsheng@627
|
5603 "a collection of repositories. You can view the history of a repository, "
|
dongsheng@627
|
5604 "examine each change (comments and diffs), and view the contents of each "
|
dongsheng@627
|
5605 "directory and file."
|
dongsheng@627
|
5606 msgstr ""
|
dongsheng@627
|
5607
|
dongsheng@627
|
5608 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5609 #: ../en/ch05-collab.xml:24
|
dongsheng@627
|
5610 msgid ""
|
dongsheng@627
|
5611 "Also for human consumption, the web interface provides an RSS feed of the "
|
dongsheng@627
|
5612 "changes in a repository. This lets you <quote>subscribe</quote> to a "
|
dongsheng@627
|
5613 "repository using your favourite feed reader, and be automatically notified of "
|
dongsheng@627
|
5614 "activity in that repository as soon as it happens. I find this capability "
|
dongsheng@627
|
5615 "much more convenient than the model of subscribing to a mailing list to which "
|
dongsheng@627
|
5616 "notifications are sent, as it requires no additional configuration on the "
|
dongsheng@627
|
5617 "part of whoever is serving the repository."
|
dongsheng@627
|
5618 msgstr ""
|
dongsheng@627
|
5619
|
dongsheng@627
|
5620 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5621 #: ../en/ch05-collab.xml:34
|
dongsheng@627
|
5622 msgid ""
|
dongsheng@627
|
5623 "The web interface also lets remote users clone a repository, pull changes "
|
dongsheng@627
|
5624 "from it, and (when the server is configured to permit it) push changes back "
|
dongsheng@627
|
5625 "to it. Mercurial's HTTP tunneling protocol aggressively compresses data, so "
|
dongsheng@627
|
5626 "that it works efficiently even over low-bandwidth network connections."
|
dongsheng@627
|
5627 msgstr ""
|
dongsheng@627
|
5628
|
dongsheng@627
|
5629 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5630 #: ../en/ch05-collab.xml:40
|
dongsheng@627
|
5631 msgid ""
|
dongsheng@627
|
5632 "The easiest way to get started with the web interface is to use your web "
|
dongsheng@627
|
5633 "browser to visit an existing repository, such as the master Mercurial "
|
dongsheng@627
|
5634 "repository at <ulink url=\"http://www.selenic.com/repo/hg?style=gitweb"
|
dongsheng@627
|
5635 "\">http://www.selenic.com/repo/hg?style=gitweb</ulink>."
|
dongsheng@627
|
5636 msgstr ""
|
dongsheng@627
|
5637
|
dongsheng@627
|
5638 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5639 #: ../en/ch05-collab.xml:45
|
dongsheng@627
|
5640 msgid ""
|
dongsheng@627
|
5641 "If you're interested in providing a web interface to your own repositories, "
|
dongsheng@627
|
5642 "Mercurial provides two ways to do this. The first is using the <command role="
|
dongsheng@627
|
5643 "\"hg-cmd\">hg serve</command> command, which is best suited to short-term "
|
songdongsheng@658
|
5644 "<quote>lightweight</quote> serving. See <xref linkend=\"sec:collab:serve\"/> "
|
songdongsheng@658
|
5645 "below for details of how to use this command. If you have a long-lived "
|
songdongsheng@658
|
5646 "repository that you'd like to make permanently available, Mercurial has built-"
|
songdongsheng@658
|
5647 "in support for the CGI (Common Gateway Interface) standard, which all common "
|
songdongsheng@658
|
5648 "web servers support. See <xref linkend=\"sec:collab:cgi\"/> for details of "
|
songdongsheng@658
|
5649 "CGI configuration."
|
dongsheng@627
|
5650 msgstr ""
|
dongsheng@627
|
5651
|
dongsheng@627
|
5652 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
5653 #: ../en/ch05-collab.xml:60
|
dongsheng@627
|
5654 msgid "Collaboration models"
|
dongsheng@630
|
5655 msgstr "协作模型"
|
dongsheng@627
|
5656
|
dongsheng@627
|
5657 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
5658 #: ../en/ch05-collab.xml:62
|
dongsheng@627
|
5659 msgid ""
|
dongsheng@627
|
5660 "With a suitably flexible tool, making decisions about workflow is much more "
|
dongsheng@627
|
5661 "of a social engineering challenge than a technical one. Mercurial imposes few "
|
dongsheng@627
|
5662 "limitations on how you can structure the flow of work in a project, so it's "
|
dongsheng@627
|
5663 "up to you and your group to set up and live with a model that matches your "
|
dongsheng@627
|
5664 "own particular needs."
|
dongsheng@627
|
5665 msgstr ""
|
dongsheng@627
|
5666
|
dongsheng@627
|
5667 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5668 #: ../en/ch05-collab.xml:70
|
dongsheng@627
|
5669 msgid "Factors to keep in mind"
|
dongsheng@630
|
5670 msgstr "要牢记的因素"
|
dongsheng@627
|
5671
|
dongsheng@627
|
5672 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5673 #: ../en/ch05-collab.xml:72
|
dongsheng@627
|
5674 msgid ""
|
dongsheng@627
|
5675 "The most important aspect of any model that you must keep in mind is how well "
|
dongsheng@627
|
5676 "it matches the needs and capabilities of the people who will be using it. "
|
dongsheng@627
|
5677 "This might seem self-evident; even so, you still can't afford to forget it "
|
dongsheng@627
|
5678 "for a moment."
|
dongsheng@627
|
5679 msgstr ""
|
dongsheng@627
|
5680
|
dongsheng@627
|
5681 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5682 #: ../en/ch05-collab.xml:78
|
dongsheng@627
|
5683 msgid ""
|
dongsheng@627
|
5684 "I once put together a workflow model that seemed to make perfect sense to me, "
|
dongsheng@627
|
5685 "but that caused a considerable amount of consternation and strife within my "
|
dongsheng@627
|
5686 "development team. In spite of my attempts to explain why we needed a complex "
|
dongsheng@627
|
5687 "set of branches, and how changes ought to flow between them, a few team "
|
dongsheng@627
|
5688 "members revolted. Even though they were smart people, they didn't want to "
|
dongsheng@627
|
5689 "pay attention to the constraints we were operating under, or face the "
|
dongsheng@627
|
5690 "consequences of those constraints in the details of the model that I was "
|
dongsheng@627
|
5691 "advocating."
|
dongsheng@627
|
5692 msgstr ""
|
dongsheng@627
|
5693
|
dongsheng@627
|
5694 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5695 #: ../en/ch05-collab.xml:88
|
dongsheng@627
|
5696 msgid ""
|
dongsheng@627
|
5697 "Don't sweep foreseeable social or technical problems under the rug. Whatever "
|
dongsheng@627
|
5698 "scheme you put into effect, you should plan for mistakes and problem "
|
dongsheng@627
|
5699 "scenarios. Consider adding automated machinery to prevent, or quickly "
|
dongsheng@627
|
5700 "recover from, trouble that you can anticipate. As an example, if you intend "
|
dongsheng@627
|
5701 "to have a branch with not-for-release changes in it, you'd do well to think "
|
dongsheng@627
|
5702 "early about the possibility that someone might accidentally merge those "
|
dongsheng@627
|
5703 "changes into a release branch. You could avoid this particular problem by "
|
dongsheng@627
|
5704 "writing a hook that prevents changes from being merged from an inappropriate "
|
dongsheng@627
|
5705 "branch."
|
dongsheng@627
|
5706 msgstr ""
|
dongsheng@627
|
5707
|
dongsheng@627
|
5708 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5709 #: ../en/ch05-collab.xml:102
|
dongsheng@627
|
5710 msgid "Informal anarchy"
|
dongsheng@630
|
5711 msgstr "无政府状态"
|
dongsheng@627
|
5712
|
dongsheng@627
|
5713 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5714 #: ../en/ch05-collab.xml:104
|
dongsheng@627
|
5715 msgid ""
|
dongsheng@627
|
5716 "I wouldn't suggest an <quote>anything goes</quote> approach as something "
|
dongsheng@627
|
5717 "sustainable, but it's a model that's easy to grasp, and it works perfectly "
|
dongsheng@627
|
5718 "well in a few unusual situations."
|
dongsheng@627
|
5719 msgstr ""
|
dongsheng@627
|
5720
|
dongsheng@627
|
5721 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5722 #: ../en/ch05-collab.xml:109
|
dongsheng@627
|
5723 msgid ""
|
dongsheng@627
|
5724 "As one example, many projects have a loose-knit group of collaborators who "
|
dongsheng@627
|
5725 "rarely physically meet each other. Some groups like to overcome the "
|
dongsheng@627
|
5726 "isolation of working at a distance by organising occasional <quote>sprints</"
|
dongsheng@627
|
5727 "quote>. In a sprint, a number of people get together in a single location (a "
|
dongsheng@627
|
5728 "company's conference room, a hotel meeting room, that kind of place) and "
|
dongsheng@627
|
5729 "spend several days more or less locked in there, hacking intensely on a "
|
dongsheng@627
|
5730 "handful of projects."
|
dongsheng@627
|
5731 msgstr ""
|
dongsheng@627
|
5732
|
dongsheng@627
|
5733 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5734 #: ../en/ch05-collab.xml:118
|
dongsheng@627
|
5735 msgid ""
|
dongsheng@627
|
5736 "A sprint is the perfect place to use the <command role=\"hg-cmd\">hg serve</"
|
dongsheng@627
|
5737 "command> command, since <command role=\"hg-cmd\">hg serve</command> does not "
|
dongsheng@627
|
5738 "require any fancy server infrastructure. You can get started with <command "
|
songdongsheng@658
|
5739 "role=\"hg-cmd\">hg serve</command> in moments, by reading <xref linkend=\"sec:"
|
songdongsheng@658
|
5740 "collab:serve\"/> below. Then simply tell the person next to you that you're "
|
songdongsheng@658
|
5741 "running a server, send the URL to them in an instant message, and you "
|
songdongsheng@658
|
5742 "immediately have a quick-turnaround way to work together. They can type your "
|
songdongsheng@658
|
5743 "URL into their web browser and quickly review your changes; or they can pull "
|
songdongsheng@658
|
5744 "a bugfix from you and verify it; or they can clone a branch containing a new "
|
songdongsheng@658
|
5745 "feature and try it out."
|
dongsheng@627
|
5746 msgstr ""
|
dongsheng@627
|
5747
|
dongsheng@627
|
5748 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5749 #: ../en/ch05-collab.xml:132
|
dongsheng@627
|
5750 msgid ""
|
dongsheng@627
|
5751 "The charm, and the problem, with doing things in an ad hoc fashion like this "
|
dongsheng@627
|
5752 "is that only people who know about your changes, and where they are, can see "
|
dongsheng@627
|
5753 "them. Such an informal approach simply doesn't scale beyond a handful "
|
dongsheng@627
|
5754 "people, because each individual needs to know about $n$ different "
|
dongsheng@627
|
5755 "repositories to pull from."
|
dongsheng@627
|
5756 msgstr ""
|
dongsheng@627
|
5757
|
dongsheng@627
|
5758 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
5759 #: ../en/ch05-collab.xml:141
|
dongsheng@627
|
5760 msgid "A single central repository"
|
dongsheng@630
|
5761 msgstr "单一中央版本库"
|
dongsheng@627
|
5762
|
dongsheng@627
|
5763 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5764 #: ../en/ch05-collab.xml:143
|
dongsheng@627
|
5765 msgid ""
|
dongsheng@627
|
5766 "For smaller projects migrating from a centralised revision control tool, "
|
dongsheng@627
|
5767 "perhaps the easiest way to get started is to have changes flow through a "
|
dongsheng@627
|
5768 "single shared central repository. This is also the most common "
|
dongsheng@627
|
5769 "<quote>building block</quote> for more ambitious workflow schemes."
|
dongsheng@627
|
5770 msgstr ""
|
dongsheng@627
|
5771
|
dongsheng@627
|
5772 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5773 #: ../en/ch05-collab.xml:149
|
dongsheng@627
|
5774 msgid ""
|
dongsheng@627
|
5775 "Contributors start by cloning a copy of this repository. They can pull "
|
dongsheng@627
|
5776 "changes from it whenever they need to, and some (perhaps all) developers have "
|
dongsheng@627
|
5777 "permission to push a change back when they're ready for other people to see "
|
dongsheng@627
|
5778 "it."
|
dongsheng@627
|
5779 msgstr ""
|
dongsheng@627
|
5780
|
dongsheng@627
|
5781 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5782 #: ../en/ch05-collab.xml:154
|
dongsheng@627
|
5783 msgid ""
|
dongsheng@627
|
5784 "Under this model, it can still often make sense for people to pull changes "
|
dongsheng@627
|
5785 "directly from each other, without going through the central repository. "
|
dongsheng@627
|
5786 "Consider a case in which I have a tentative bug fix, but I am worried that if "
|
dongsheng@627
|
5787 "I were to publish it to the central repository, it might subsequently break "
|
dongsheng@627
|
5788 "everyone else's trees as they pull it. To reduce the potential for damage, I "
|
dongsheng@627
|
5789 "can ask you to clone my repository into a temporary repository of your own "
|
dongsheng@627
|
5790 "and test it. This lets us put off publishing the potentially unsafe change "
|
dongsheng@627
|
5791 "until it has had a little testing."
|
dongsheng@627
|
5792 msgstr ""
|
dongsheng@627
|
5793
|
dongsheng@627
|
5794 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
5795 #: ../en/ch05-collab.xml:165
|
dongsheng@627
|
5796 msgid ""
|
dongsheng@627
|
5797 "In this kind of scenario, people usually use the <command>ssh</command> "
|
dongsheng@627
|
5798 "protocol to securely push changes to the central repository, as documented in "
|
songdongsheng@658
|
5799 "<xref linkend=\"sec:collab:ssh\"/>. It's also usual to publish a read-only "
|
songdongsheng@658
|
5800 "copy of the repository over HTTP using CGI, as in <xref linkend=\"sec:collab:"
|
songdongsheng@658
|
5801 "cgi\"/>. Publishing over HTTP satisfies the needs of people who don't have "
|
songdongsheng@658
|
5802 "push access, and those who want to use web browsers to browse the "
|
songdongsheng@658
|
5803 "repository's history."
|
dongsheng@627
|
5804 msgstr ""
|
dongsheng@627
|
5805
|
dongsheng@627
|
5806 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
5807 #: ../en/ch05-collab.xml:177
|
dongsheng@627
|
5808 msgid "Working with multiple branches"
|
dongsheng@630
|
5809 msgstr "使用多个分支工作"
|
dongsheng@627
|
5810
|
dongsheng@627
|
5811 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5812 #: ../en/ch05-collab.xml:179
|
dongsheng@627
|
5813 msgid ""
|
dongsheng@627
|
5814 "Projects of any significant size naturally tend to make progress on several "
|
dongsheng@627
|
5815 "fronts simultaneously. In the case of software, it's common for a project to "
|
dongsheng@627
|
5816 "go through periodic official releases. A release might then go into "
|
dongsheng@627
|
5817 "<quote>maintenance mode</quote> for a while after its first publication; "
|
dongsheng@627
|
5818 "maintenance releases tend to contain only bug fixes, not new features. In "
|
dongsheng@627
|
5819 "parallel with these maintenance releases, one or more future releases may be "
|
dongsheng@627
|
5820 "under development. People normally use the word <quote>branch</quote> to "
|
dongsheng@627
|
5821 "refer to one of these many slightly different directions in which development "
|
dongsheng@627
|
5822 "is proceeding."
|
dongsheng@627
|
5823 msgstr ""
|
dongsheng@627
|
5824
|
dongsheng@627
|
5825 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5826 #: ../en/ch05-collab.xml:192
|
dongsheng@627
|
5827 msgid ""
|
dongsheng@627
|
5828 "Mercurial is particularly well suited to managing a number of simultaneous, "
|
dongsheng@627
|
5829 "but not identical, branches. Each <quote>development direction</quote> can "
|
dongsheng@627
|
5830 "live in its own central repository, and you can merge changes from one to "
|
dongsheng@627
|
5831 "another as the need arises. Because repositories are independent of each "
|
dongsheng@627
|
5832 "other, unstable changes in a development branch will never affect a stable "
|
dongsheng@627
|
5833 "branch unless someone explicitly merges those changes in."
|
dongsheng@627
|
5834 msgstr ""
|
dongsheng@627
|
5835
|
dongsheng@627
|
5836 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5837 #: ../en/ch05-collab.xml:201
|
dongsheng@627
|
5838 msgid ""
|
dongsheng@627
|
5839 "Here's an example of how this can work in practice. Let's say you have one "
|
dongsheng@627
|
5840 "<quote>main branch</quote> on a central server."
|
dongsheng@627
|
5841 msgstr ""
|
dongsheng@627
|
5842
|
dongsheng@627
|
5843 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5844 #: ../en/ch05-collab.xml:207
|
dongsheng@627
|
5845 msgid "People clone it, make changes locally, test them, and push them back."
|
dongsheng@627
|
5846 msgstr ""
|
dongsheng@627
|
5847
|
dongsheng@627
|
5848 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5849 #: ../en/ch05-collab.xml:210
|
dongsheng@627
|
5850 msgid ""
|
dongsheng@627
|
5851 "Once the main branch reaches a release milestone, you can use the <command "
|
dongsheng@627
|
5852 "role=\"hg-cmd\">hg tag</command> command to give a permanent name to the "
|
dongsheng@627
|
5853 "milestone revision."
|
dongsheng@627
|
5854 msgstr ""
|
dongsheng@627
|
5855
|
dongsheng@627
|
5856 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5857 #: ../en/ch05-collab.xml:216
|
dongsheng@627
|
5858 msgid "Let's say some ongoing development occurs on the main branch."
|
dongsheng@627
|
5859 msgstr ""
|
dongsheng@627
|
5860
|
dongsheng@627
|
5861 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5862 #: ../en/ch05-collab.xml:221
|
dongsheng@627
|
5863 msgid ""
|
dongsheng@627
|
5864 "Using the tag that was recorded at the milestone, people who clone that "
|
dongsheng@627
|
5865 "repository at any time in the future can use <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
5866 "update</command> to get a copy of the working directory exactly as it was "
|
dongsheng@627
|
5867 "when that tagged revision was committed."
|
dongsheng@627
|
5868 msgstr ""
|
dongsheng@627
|
5869
|
dongsheng@627
|
5870 #
|
dongsheng@627
|
5871 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5872 #: ../en/ch05-collab.xml:229
|
dongsheng@627
|
5873 msgid ""
|
dongsheng@627
|
5874 "In addition, immediately after the main branch is tagged, someone can then "
|
dongsheng@627
|
5875 "clone the main branch on the server to a new <quote>stable</quote> branch, "
|
dongsheng@627
|
5876 "also on the server."
|
dongsheng@627
|
5877 msgstr ""
|
dongsheng@627
|
5878
|
dongsheng@627
|
5879 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5880 #: ../en/ch05-collab.xml:235
|
dongsheng@627
|
5881 msgid ""
|
dongsheng@627
|
5882 "Someone who needs to make a change to the stable branch can then clone "
|
dongsheng@627
|
5883 "<emphasis>that</emphasis> repository, make their changes, commit, and push "
|
dongsheng@627
|
5884 "their changes back there."
|
dongsheng@627
|
5885 msgstr ""
|
dongsheng@627
|
5886
|
dongsheng@627
|
5887 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5888 #: ../en/ch05-collab.xml:241
|
dongsheng@627
|
5889 msgid ""
|
dongsheng@627
|
5890 "Because Mercurial repositories are independent, and Mercurial doesn't move "
|
dongsheng@627
|
5891 "changes around automatically, the stable and main branches are "
|
dongsheng@627
|
5892 "<emphasis>isolated</emphasis> from each other. The changes that you made on "
|
dongsheng@627
|
5893 "the main branch don't <quote>leak</quote> to the stable branch, and vice "
|
dongsheng@627
|
5894 "versa."
|
dongsheng@627
|
5895 msgstr ""
|
dongsheng@627
|
5896
|
dongsheng@627
|
5897 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5898 #: ../en/ch05-collab.xml:248
|
dongsheng@627
|
5899 msgid ""
|
dongsheng@627
|
5900 "You'll often want all of your bugfixes on the stable branch to show up on the "
|
dongsheng@627
|
5901 "main branch, too. Rather than rewrite a bugfix on the main branch, you can "
|
dongsheng@627
|
5902 "simply pull and merge changes from the stable to the main branch, and "
|
dongsheng@627
|
5903 "Mercurial will bring those bugfixes in for you."
|
dongsheng@627
|
5904 msgstr ""
|
dongsheng@627
|
5905
|
dongsheng@627
|
5906 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5907 #: ../en/ch05-collab.xml:256
|
dongsheng@627
|
5908 msgid ""
|
dongsheng@627
|
5909 "The main branch will still contain changes that are not on the stable branch, "
|
dongsheng@627
|
5910 "but it will also contain all of the bugfixes from the stable branch. The "
|
dongsheng@627
|
5911 "stable branch remains unaffected by these changes."
|
dongsheng@627
|
5912 msgstr ""
|
dongsheng@627
|
5913
|
songdongsheng@658
|
5914 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
5915 #: ../en/ch05-collab.xml:263 ../en/ch05-collab.xml:273
|
dongsheng@627
|
5916 msgid "Feature branches"
|
dongsheng@630
|
5917 msgstr "特性分支"
|
dongsheng@627
|
5918
|
dongsheng@627
|
5919 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5920 #: ../en/ch05-collab.xml:265
|
dongsheng@627
|
5921 msgid ""
|
dongsheng@627
|
5922 "For larger projects, an effective way to manage change is to break up a team "
|
dongsheng@627
|
5923 "into smaller groups. Each group has a shared branch of its own, cloned from "
|
dongsheng@627
|
5924 "a single <quote>master</quote> branch used by the entire project. People "
|
dongsheng@627
|
5925 "working on an individual branch are typically quite isolated from "
|
dongsheng@627
|
5926 "developments on other branches."
|
dongsheng@627
|
5927 msgstr ""
|
dongsheng@627
|
5928
|
songdongsheng@658
|
5929 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
dongsheng@650
|
5930 #: ../en/ch05-collab.xml:275
|
dongsheng@641
|
5931 msgid ""
|
songdongsheng@658
|
5932 "<imageobject><imagedata width=\"100%\" fileref=\"figs/feature-branches.png\"/"
|
songdongsheng@658
|
5933 "></imageobject>"
|
songdongsheng@658
|
5934 msgstr ""
|
songdongsheng@658
|
5935
|
songdongsheng@658
|
5936 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5937 #: ../en/ch05-collab.xml:280
|
dongsheng@627
|
5938 msgid ""
|
dongsheng@627
|
5939 "When a particular feature is deemed to be in suitable shape, someone on that "
|
dongsheng@627
|
5940 "feature team pulls and merges from the master branch into the feature branch, "
|
dongsheng@627
|
5941 "then pushes back up to the master branch."
|
dongsheng@627
|
5942 msgstr ""
|
dongsheng@627
|
5943
|
dongsheng@627
|
5944 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
5945 #: ../en/ch05-collab.xml:287
|
dongsheng@627
|
5946 msgid "The release train"
|
dongsheng@630
|
5947 msgstr "发布列车"
|
dongsheng@627
|
5948
|
dongsheng@627
|
5949 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5950 #: ../en/ch05-collab.xml:289
|
dongsheng@627
|
5951 msgid ""
|
dongsheng@627
|
5952 "Some projects are organised on a <quote>train</quote> basis: a release is "
|
dongsheng@627
|
5953 "scheduled to happen every few months, and whatever features are ready when "
|
dongsheng@627
|
5954 "the <quote>train</quote> is ready to leave are allowed in."
|
dongsheng@627
|
5955 msgstr ""
|
dongsheng@627
|
5956
|
dongsheng@627
|
5957 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5958 #: ../en/ch05-collab.xml:294
|
dongsheng@627
|
5959 msgid ""
|
dongsheng@627
|
5960 "This model resembles working with feature branches. The difference is that "
|
dongsheng@627
|
5961 "when a feature branch misses a train, someone on the feature team pulls and "
|
dongsheng@627
|
5962 "merges the changes that went out on that train release into the feature "
|
dongsheng@627
|
5963 "branch, and the team continues its work on top of that release so that their "
|
dongsheng@627
|
5964 "feature can make the next release."
|
dongsheng@627
|
5965 msgstr ""
|
dongsheng@627
|
5966
|
dongsheng@627
|
5967 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
5968 #: ../en/ch05-collab.xml:303
|
dongsheng@627
|
5969 msgid "The Linux kernel model"
|
dongsheng@630
|
5970 msgstr "Linux 内核模型"
|
dongsheng@627
|
5971
|
dongsheng@627
|
5972 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5973 #: ../en/ch05-collab.xml:305
|
dongsheng@627
|
5974 msgid ""
|
dongsheng@627
|
5975 "The development of the Linux kernel has a shallow hierarchical structure, "
|
dongsheng@627
|
5976 "surrounded by a cloud of apparent chaos. Because most Linux developers use "
|
dongsheng@627
|
5977 "<command>git</command>, a distributed revision control tool with capabilities "
|
dongsheng@627
|
5978 "similar to Mercurial, it's useful to describe the way work flows in that "
|
dongsheng@627
|
5979 "environment; if you like the ideas, the approach translates well across tools."
|
dongsheng@627
|
5980 msgstr ""
|
dongsheng@627
|
5981
|
dongsheng@627
|
5982 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5983 #: ../en/ch05-collab.xml:313
|
dongsheng@627
|
5984 msgid ""
|
dongsheng@627
|
5985 "At the center of the community sits Linus Torvalds, the creator of Linux. He "
|
dongsheng@627
|
5986 "publishes a single source repository that is considered the "
|
dongsheng@627
|
5987 "<quote>authoritative</quote> current tree by the entire developer community. "
|
dongsheng@627
|
5988 "Anyone can clone Linus's tree, but he is very choosy about whose trees he "
|
dongsheng@627
|
5989 "pulls from."
|
dongsheng@627
|
5990 msgstr ""
|
dongsheng@627
|
5991
|
dongsheng@627
|
5992 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
5993 #: ../en/ch05-collab.xml:320
|
dongsheng@627
|
5994 msgid ""
|
dongsheng@627
|
5995 "Linus has a number of <quote>trusted lieutenants</quote>. As a general rule, "
|
dongsheng@627
|
5996 "he pulls whatever changes they publish, in most cases without even reviewing "
|
dongsheng@627
|
5997 "those changes. Some of those lieutenants are generally agreed to be "
|
dongsheng@627
|
5998 "<quote>maintainers</quote>, responsible for specific subsystems within the "
|
dongsheng@627
|
5999 "kernel. If a random kernel hacker wants to make a change to a subsystem that "
|
dongsheng@627
|
6000 "they want to end up in Linus's tree, they must find out who the subsystem's "
|
dongsheng@627
|
6001 "maintainer is, and ask that maintainer to take their change. If the "
|
dongsheng@627
|
6002 "maintainer reviews their changes and agrees to take them, they'll pass them "
|
dongsheng@627
|
6003 "along to Linus in due course."
|
dongsheng@627
|
6004 msgstr ""
|
dongsheng@627
|
6005
|
dongsheng@627
|
6006 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6007 #: ../en/ch05-collab.xml:332
|
dongsheng@627
|
6008 msgid ""
|
dongsheng@627
|
6009 "Individual lieutenants have their own approaches to reviewing, accepting, and "
|
dongsheng@627
|
6010 "publishing changes; and for deciding when to feed them to Linus. In "
|
dongsheng@627
|
6011 "addition, there are several well known branches that people use for different "
|
dongsheng@627
|
6012 "purposes. For example, a few people maintain <quote>stable</quote> "
|
dongsheng@627
|
6013 "repositories of older versions of the kernel, to which they apply critical "
|
dongsheng@627
|
6014 "fixes as needed. Some maintainers publish multiple trees: one for "
|
dongsheng@627
|
6015 "experimental changes; one for changes that they are about to feed upstream; "
|
dongsheng@627
|
6016 "and so on. Others just publish a single tree."
|
dongsheng@627
|
6017 msgstr ""
|
dongsheng@627
|
6018
|
dongsheng@627
|
6019 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6020 #: ../en/ch05-collab.xml:343
|
dongsheng@627
|
6021 msgid ""
|
dongsheng@627
|
6022 "This model has two notable features. The first is that it's <quote>pull "
|
dongsheng@627
|
6023 "only</quote>. You have to ask, convince, or beg another developer to take a "
|
dongsheng@627
|
6024 "change from you, because there are almost no trees to which more than one "
|
dongsheng@627
|
6025 "person can push, and there's no way to push changes into a tree that someone "
|
dongsheng@627
|
6026 "else controls."
|
dongsheng@627
|
6027 msgstr ""
|
dongsheng@627
|
6028
|
dongsheng@627
|
6029 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6030 #: ../en/ch05-collab.xml:350
|
dongsheng@627
|
6031 msgid ""
|
dongsheng@627
|
6032 "The second is that it's based on reputation and acclaim. If you're an "
|
dongsheng@627
|
6033 "unknown, Linus will probably ignore changes from you without even "
|
dongsheng@627
|
6034 "responding. But a subsystem maintainer will probably review them, and will "
|
dongsheng@627
|
6035 "likely take them if they pass their criteria for suitability. The more "
|
dongsheng@627
|
6036 "<quote>good</quote> changes you contribute to a maintainer, the more likely "
|
dongsheng@627
|
6037 "they are to trust your judgment and accept your changes. If you're well-"
|
dongsheng@627
|
6038 "known and maintain a long-lived branch for something Linus hasn't yet "
|
dongsheng@627
|
6039 "accepted, people with similar interests may pull your changes regularly to "
|
dongsheng@627
|
6040 "keep up with your work."
|
dongsheng@627
|
6041 msgstr ""
|
dongsheng@627
|
6042
|
dongsheng@627
|
6043 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6044 #: ../en/ch05-collab.xml:361
|
dongsheng@627
|
6045 msgid ""
|
dongsheng@627
|
6046 "Reputation and acclaim don't necessarily cross subsystem or <quote>people</"
|
dongsheng@627
|
6047 "quote> boundaries. If you're a respected but specialised storage hacker, and "
|
dongsheng@627
|
6048 "you try to fix a networking bug, that change will receive a level of scrutiny "
|
dongsheng@627
|
6049 "from a network maintainer comparable to a change from a complete stranger."
|
dongsheng@627
|
6050 msgstr ""
|
dongsheng@627
|
6051
|
dongsheng@627
|
6052 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6053 #: ../en/ch05-collab.xml:368
|
dongsheng@627
|
6054 msgid ""
|
dongsheng@627
|
6055 "To people who come from more orderly project backgrounds, the comparatively "
|
dongsheng@627
|
6056 "chaotic Linux kernel development process often seems completely insane. It's "
|
dongsheng@627
|
6057 "subject to the whims of individuals; people make sweeping changes whenever "
|
dongsheng@627
|
6058 "they deem it appropriate; and the pace of development is astounding. And yet "
|
dongsheng@627
|
6059 "Linux is a highly successful, well-regarded piece of software."
|
dongsheng@627
|
6060 msgstr ""
|
dongsheng@627
|
6061
|
dongsheng@627
|
6062 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6063 #: ../en/ch05-collab.xml:378
|
dongsheng@627
|
6064 msgid "Pull-only versus shared-push collaboration"
|
dongsheng@630
|
6065 msgstr "只读与共享写协作"
|
dongsheng@627
|
6066
|
dongsheng@627
|
6067 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6068 #: ../en/ch05-collab.xml:380
|
dongsheng@627
|
6069 msgid ""
|
dongsheng@627
|
6070 "A perpetual source of heat in the open source community is whether a "
|
dongsheng@627
|
6071 "development model in which people only ever pull changes from others is "
|
dongsheng@627
|
6072 "<quote>better than</quote> one in which multiple people can push changes to a "
|
dongsheng@627
|
6073 "shared repository."
|
dongsheng@627
|
6074 msgstr ""
|
dongsheng@627
|
6075
|
dongsheng@627
|
6076 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6077 #: ../en/ch05-collab.xml:386
|
dongsheng@627
|
6078 msgid ""
|
dongsheng@627
|
6079 "Typically, the backers of the shared-push model use tools that actively "
|
dongsheng@627
|
6080 "enforce this approach. If you're using a centralised revision control tool "
|
dongsheng@627
|
6081 "such as Subversion, there's no way to make a choice over which model you'll "
|
dongsheng@627
|
6082 "use: the tool gives you shared-push, and if you want to do anything else, "
|
dongsheng@627
|
6083 "you'll have to roll your own approach on top (such as applying a patch by "
|
dongsheng@627
|
6084 "hand)."
|
dongsheng@627
|
6085 msgstr ""
|
dongsheng@627
|
6086
|
dongsheng@627
|
6087 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6088 #: ../en/ch05-collab.xml:394
|
dongsheng@627
|
6089 msgid ""
|
dongsheng@627
|
6090 "A good distributed revision control tool, such as Mercurial, will support "
|
dongsheng@627
|
6091 "both models. You and your collaborators can then structure how you work "
|
dongsheng@627
|
6092 "together based on your own needs and preferences, not on what contortions "
|
dongsheng@627
|
6093 "your tools force you into."
|
dongsheng@627
|
6094 msgstr ""
|
dongsheng@627
|
6095
|
dongsheng@627
|
6096 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6097 #: ../en/ch05-collab.xml:402
|
dongsheng@627
|
6098 msgid "Where collaboration meets branch management"
|
dongsheng@630
|
6099 msgstr "协作与分支管理"
|
dongsheng@627
|
6100
|
dongsheng@627
|
6101 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6102 #: ../en/ch05-collab.xml:404
|
dongsheng@627
|
6103 msgid ""
|
dongsheng@627
|
6104 "Once you and your team set up some shared repositories and start propagating "
|
dongsheng@627
|
6105 "changes back and forth between local and shared repos, you begin to face a "
|
dongsheng@627
|
6106 "related, but slightly different challenge: that of managing the multiple "
|
dongsheng@627
|
6107 "directions in which your team may be moving at once. Even though this "
|
dongsheng@627
|
6108 "subject is intimately related to how your team collaborates, it's dense "
|
songdongsheng@658
|
6109 "enough to merit treatment of its own, in <xref linkend=\"chap:branch\"/>."
|
dongsheng@627
|
6110 msgstr ""
|
dongsheng@627
|
6111
|
dongsheng@627
|
6112 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
6113 #: ../en/ch05-collab.xml:416
|
dongsheng@627
|
6114 msgid "The technical side of sharing"
|
dongsheng@630
|
6115 msgstr "共享的技术因素"
|
dongsheng@627
|
6116
|
dongsheng@627
|
6117 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6118 #: ../en/ch05-collab.xml:418
|
dongsheng@627
|
6119 msgid ""
|
dongsheng@627
|
6120 "The remainder of this chapter is devoted to the question of serving data to "
|
dongsheng@627
|
6121 "your collaborators."
|
dongsheng@627
|
6122 msgstr ""
|
dongsheng@627
|
6123
|
dongsheng@627
|
6124 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
6125 #: ../en/ch05-collab.xml:423
|
dongsheng@627
|
6126 msgid "Informal sharing with <command role=\"hg-cmd\">hg serve</command>"
|
dongsheng@630
|
6127 msgstr "使用 <command role=\"hg-cmd\">hg serve</command> 进行非正式共享"
|
dongsheng@627
|
6128
|
dongsheng@627
|
6129 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6130 #: ../en/ch05-collab.xml:426
|
dongsheng@627
|
6131 msgid ""
|
dongsheng@627
|
6132 "Mercurial's <command role=\"hg-cmd\">hg serve</command> command is "
|
dongsheng@627
|
6133 "wonderfully suited to small, tight-knit, and fast-paced group environments. "
|
dongsheng@627
|
6134 "It also provides a great way to get a feel for using Mercurial commands over "
|
dongsheng@627
|
6135 "a network."
|
dongsheng@627
|
6136 msgstr ""
|
dongsheng@627
|
6137
|
dongsheng@627
|
6138 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6139 #: ../en/ch05-collab.xml:431
|
dongsheng@627
|
6140 msgid ""
|
dongsheng@627
|
6141 "Run <command role=\"hg-cmd\">hg serve</command> inside a repository, and in "
|
dongsheng@627
|
6142 "under a second it will bring up a specialised HTTP server; this will accept "
|
dongsheng@627
|
6143 "connections from any client, and serve up data for that repository until you "
|
dongsheng@627
|
6144 "terminate it. Anyone who knows the URL of the server you just started, and "
|
dongsheng@627
|
6145 "can talk to your computer over the network, can then use a web browser or "
|
dongsheng@627
|
6146 "Mercurial to read data from that repository. A URL for a <command role=\"hg-"
|
dongsheng@627
|
6147 "cmd\">hg serve</command> instance running on a laptop is likely to look "
|
dongsheng@627
|
6148 "something like <literal>http://my-laptop.local:8000/</literal>."
|
dongsheng@627
|
6149 msgstr ""
|
dongsheng@627
|
6150
|
dongsheng@627
|
6151 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6152 #: ../en/ch05-collab.xml:442
|
dongsheng@627
|
6153 msgid ""
|
dongsheng@627
|
6154 "The <command role=\"hg-cmd\">hg serve</command> command is <emphasis>not</"
|
dongsheng@627
|
6155 "emphasis> a general-purpose web server. It can do only two things:"
|
dongsheng@627
|
6156 msgstr ""
|
dongsheng@627
|
6157
|
dongsheng@627
|
6158 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
6159 #: ../en/ch05-collab.xml:446
|
dongsheng@627
|
6160 msgid ""
|
dongsheng@627
|
6161 "Allow people to browse the history of the repository it's serving, from their "
|
dongsheng@627
|
6162 "normal web browsers."
|
dongsheng@627
|
6163 msgstr ""
|
dongsheng@627
|
6164
|
dongsheng@627
|
6165 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
6166 #: ../en/ch05-collab.xml:450
|
dongsheng@627
|
6167 msgid ""
|
dongsheng@627
|
6168 "Speak Mercurial's wire protocol, so that people can <command role=\"hg-cmd"
|
dongsheng@627
|
6169 "\">hg clone</command> or <command role=\"hg-cmd\">hg pull</command> changes "
|
dongsheng@627
|
6170 "from that repository."
|
dongsheng@627
|
6171 msgstr ""
|
dongsheng@627
|
6172
|
dongsheng@627
|
6173 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6174 #: ../en/ch05-collab.xml:455
|
dongsheng@627
|
6175 msgid ""
|
dongsheng@627
|
6176 "In particular, <command role=\"hg-cmd\">hg serve</command> won't allow remote "
|
dongsheng@627
|
6177 "users to <emphasis>modify</emphasis> your repository. It's intended for read-"
|
dongsheng@627
|
6178 "only use."
|
dongsheng@627
|
6179 msgstr ""
|
dongsheng@627
|
6180
|
dongsheng@627
|
6181 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6182 #: ../en/ch05-collab.xml:459
|
dongsheng@627
|
6183 msgid ""
|
dongsheng@627
|
6184 "If you're getting started with Mercurial, there's nothing to prevent you from "
|
dongsheng@627
|
6185 "using <command role=\"hg-cmd\">hg serve</command> to serve up a repository on "
|
dongsheng@627
|
6186 "your own computer, then use commands like <command role=\"hg-cmd\">hg clone</"
|
dongsheng@627
|
6187 "command>, <command role=\"hg-cmd\">hg incoming</command>, and so on to talk "
|
dongsheng@627
|
6188 "to that server as if the repository was hosted remotely. This can help you to "
|
dongsheng@627
|
6189 "quickly get acquainted with using commands on network-hosted repositories."
|
dongsheng@627
|
6190 msgstr ""
|
dongsheng@627
|
6191
|
dongsheng@627
|
6192 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6193 #: ../en/ch05-collab.xml:469
|
dongsheng@627
|
6194 msgid "A few things to keep in mind"
|
dongsheng@630
|
6195 msgstr "要牢记的几件事"
|
dongsheng@627
|
6196
|
dongsheng@627
|
6197 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6198 #: ../en/ch05-collab.xml:471
|
dongsheng@627
|
6199 msgid ""
|
dongsheng@627
|
6200 "Because it provides unauthenticated read access to all clients, you should "
|
dongsheng@627
|
6201 "only use <command role=\"hg-cmd\">hg serve</command> in an environment where "
|
dongsheng@627
|
6202 "you either don't care, or have complete control over, who can access your "
|
dongsheng@627
|
6203 "network and pull data from your repository."
|
dongsheng@627
|
6204 msgstr ""
|
dongsheng@627
|
6205
|
dongsheng@627
|
6206 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6207 #: ../en/ch05-collab.xml:477
|
dongsheng@627
|
6208 msgid ""
|
dongsheng@627
|
6209 "The <command role=\"hg-cmd\">hg serve</command> command knows nothing about "
|
dongsheng@627
|
6210 "any firewall software you might have installed on your system or network. It "
|
dongsheng@627
|
6211 "cannot detect or control your firewall software. If other people are unable "
|
dongsheng@627
|
6212 "to talk to a running <command role=\"hg-cmd\">hg serve</command> instance, "
|
dongsheng@627
|
6213 "the second thing you should do (<emphasis>after</emphasis> you make sure that "
|
dongsheng@627
|
6214 "they're using the correct URL) is check your firewall configuration."
|
dongsheng@627
|
6215 msgstr ""
|
dongsheng@627
|
6216
|
dongsheng@627
|
6217 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6218 #: ../en/ch05-collab.xml:486
|
dongsheng@627
|
6219 msgid ""
|
dongsheng@627
|
6220 "By default, <command role=\"hg-cmd\">hg serve</command> listens for incoming "
|
dongsheng@627
|
6221 "connections on port 8000. If another process is already listening on the "
|
dongsheng@627
|
6222 "port you want to use, you can specify a different port to listen on using the "
|
dongsheng@627
|
6223 "<option role=\"hg-opt-serve\">-p</option> option."
|
dongsheng@627
|
6224 msgstr ""
|
dongsheng@627
|
6225
|
dongsheng@627
|
6226 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6227 #: ../en/ch05-collab.xml:492
|
dongsheng@627
|
6228 msgid ""
|
dongsheng@627
|
6229 "Normally, when <command role=\"hg-cmd\">hg serve</command> starts, it prints "
|
dongsheng@627
|
6230 "no output, which can be a bit unnerving. If you'd like to confirm that it is "
|
dongsheng@627
|
6231 "indeed running correctly, and find out what URL you should send to your "
|
dongsheng@627
|
6232 "collaborators, start it with the <option role=\"hg-opt-global\">-v</option> "
|
dongsheng@627
|
6233 "option."
|
dongsheng@627
|
6234 msgstr ""
|
dongsheng@627
|
6235
|
dongsheng@627
|
6236 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
6237 #: ../en/ch05-collab.xml:502
|
dongsheng@627
|
6238 msgid "Using the Secure Shell (ssh) protocol"
|
dongsheng@630
|
6239 msgstr "使用 ssh 协议"
|
dongsheng@627
|
6240
|
dongsheng@627
|
6241 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6242 #: ../en/ch05-collab.xml:504
|
dongsheng@627
|
6243 msgid ""
|
dongsheng@627
|
6244 "You can pull and push changes securely over a network connection using the "
|
dongsheng@627
|
6245 "Secure Shell (<literal>ssh</literal>) protocol. To use this successfully, "
|
dongsheng@627
|
6246 "you may have to do a little bit of configuration on the client or server "
|
dongsheng@627
|
6247 "sides."
|
dongsheng@627
|
6248 msgstr ""
|
dongsheng@627
|
6249
|
dongsheng@627
|
6250 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6251 #: ../en/ch05-collab.xml:509
|
dongsheng@627
|
6252 msgid ""
|
dongsheng@627
|
6253 "If you're not familiar with ssh, it's a network protocol that lets you "
|
dongsheng@627
|
6254 "securely communicate with another computer. To use it with Mercurial, you'll "
|
dongsheng@627
|
6255 "be setting up one or more user accounts on a server so that remote users can "
|
dongsheng@627
|
6256 "log in and execute commands."
|
dongsheng@627
|
6257 msgstr ""
|
dongsheng@627
|
6258
|
dongsheng@627
|
6259 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6260 #: ../en/ch05-collab.xml:515
|
dongsheng@627
|
6261 msgid ""
|
dongsheng@627
|
6262 "(If you <emphasis>are</emphasis> familiar with ssh, you'll probably find some "
|
dongsheng@627
|
6263 "of the material that follows to be elementary in nature.)"
|
dongsheng@627
|
6264 msgstr ""
|
dongsheng@627
|
6265
|
dongsheng@627
|
6266 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6267 #: ../en/ch05-collab.xml:520
|
dongsheng@627
|
6268 msgid "How to read and write ssh URLs"
|
dongsheng@630
|
6269 msgstr "如何读写 ssh 路径"
|
dongsheng@627
|
6270
|
dongsheng@627
|
6271 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6272 #: ../en/ch05-collab.xml:522
|
songdongsheng@658
|
6273 msgid "An ssh URL tends to look like this:"
|
songdongsheng@658
|
6274 msgstr ""
|
songdongsheng@658
|
6275
|
songdongsheng@658
|
6276 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
dongsheng@650
|
6277 #: ../en/ch05-collab.xml:525
|
songdongsheng@658
|
6278 msgid ""
|
songdongsheng@658
|
6279 "The <quote><literal>ssh://</literal></quote> part tells Mercurial to use the "
|
songdongsheng@658
|
6280 "ssh protocol."
|
dongsheng@627
|
6281 msgstr ""
|
dongsheng@627
|
6282
|
dongsheng@627
|
6283 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
dongsheng@650
|
6284 #: ../en/ch05-collab.xml:528
|
dongsheng@627
|
6285 msgid ""
|
dongsheng@627
|
6286 "The <quote><literal>bos@</literal></quote> component indicates what username "
|
dongsheng@627
|
6287 "to log into the server as. You can leave this out if the remote username is "
|
dongsheng@627
|
6288 "the same as your local username."
|
dongsheng@627
|
6289 msgstr ""
|
dongsheng@627
|
6290
|
dongsheng@627
|
6291 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
6292 #: ../en/ch05-collab.xml:533
|
dongsheng@627
|
6293 msgid ""
|
dongsheng@627
|
6294 "The <quote><literal>hg.serpentine.com</literal></quote> gives the hostname of "
|
dongsheng@627
|
6295 "the server to log into."
|
dongsheng@627
|
6296 msgstr ""
|
dongsheng@627
|
6297
|
dongsheng@627
|
6298 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
6299 #: ../en/ch05-collab.xml:537
|
dongsheng@627
|
6300 msgid ""
|
dongsheng@627
|
6301 "The <quote>:22</quote> identifies the port number to connect to the server "
|
dongsheng@650
|
6302 "on. The default port is 22, so you only need to specify a colon and port "
|
dongsheng@650
|
6303 "number if you're <emphasis>not</emphasis> using port 22."
|
dongsheng@627
|
6304 msgstr ""
|
dongsheng@627
|
6305
|
dongsheng@627
|
6306 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
6307 #: ../en/ch05-collab.xml:542
|
dongsheng@627
|
6308 msgid ""
|
dongsheng@627
|
6309 "The remainder of the URL is the local path to the repository on the server."
|
dongsheng@627
|
6310 msgstr ""
|
dongsheng@627
|
6311
|
dongsheng@627
|
6312 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6313 #: ../en/ch05-collab.xml:546
|
dongsheng@627
|
6314 msgid ""
|
dongsheng@627
|
6315 "There's plenty of scope for confusion with the path component of ssh URLs, as "
|
dongsheng@627
|
6316 "there is no standard way for tools to interpret it. Some programs behave "
|
dongsheng@627
|
6317 "differently than others when dealing with these paths. This isn't an ideal "
|
dongsheng@627
|
6318 "situation, but it's unlikely to change. Please read the following paragraphs "
|
dongsheng@627
|
6319 "carefully."
|
dongsheng@627
|
6320 msgstr ""
|
dongsheng@627
|
6321
|
dongsheng@627
|
6322 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6323 #: ../en/ch05-collab.xml:553
|
dongsheng@627
|
6324 msgid ""
|
dongsheng@627
|
6325 "Mercurial treats the path to a repository on the server as relative to the "
|
dongsheng@627
|
6326 "remote user's home directory. For example, if user <literal>foo</literal> on "
|
dongsheng@627
|
6327 "the server has a home directory of <filename class=\"directory\">/home/foo</"
|
dongsheng@627
|
6328 "filename>, then an ssh URL that contains a path component of <filename class="
|
dongsheng@627
|
6329 "\"directory\">bar</filename> <emphasis>really</emphasis> refers to the "
|
dongsheng@627
|
6330 "directory <filename class=\"directory\">/home/foo/bar</filename>."
|
dongsheng@627
|
6331 msgstr ""
|
dongsheng@627
|
6332
|
dongsheng@627
|
6333 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6334 #: ../en/ch05-collab.xml:562
|
dongsheng@627
|
6335 msgid ""
|
dongsheng@627
|
6336 "If you want to specify a path relative to another user's home directory, you "
|
dongsheng@627
|
6337 "can use a path that starts with a tilde character followed by the user's name "
|
dongsheng@627
|
6338 "(let's call them <literal>otheruser</literal>), like this."
|
dongsheng@627
|
6339 msgstr ""
|
dongsheng@627
|
6340
|
dongsheng@627
|
6341 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6342 #: ../en/ch05-collab.xml:568
|
dongsheng@627
|
6343 msgid ""
|
dongsheng@627
|
6344 "And if you really want to specify an <emphasis>absolute</emphasis> path on "
|
dongsheng@627
|
6345 "the server, begin the path component with two slashes, as in this example."
|
dongsheng@627
|
6346 msgstr ""
|
dongsheng@627
|
6347
|
dongsheng@627
|
6348 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6349 #: ../en/ch05-collab.xml:575
|
dongsheng@627
|
6350 msgid "Finding an ssh client for your system"
|
dongsheng@630
|
6351 msgstr "为你的系统寻找 ssh 客户端"
|
dongsheng@627
|
6352
|
dongsheng@627
|
6353 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6354 #: ../en/ch05-collab.xml:577
|
dongsheng@627
|
6355 msgid ""
|
dongsheng@627
|
6356 "Almost every Unix-like system comes with OpenSSH preinstalled. If you're "
|
dongsheng@627
|
6357 "using such a system, run <literal>which ssh</literal> to find out if the "
|
dongsheng@627
|
6358 "<command>ssh</command> command is installed (it's usually in <filename class="
|
dongsheng@627
|
6359 "\"directory\">/usr/bin</filename>). In the unlikely event that it isn't "
|
dongsheng@627
|
6360 "present, take a look at your system documentation to figure out how to "
|
dongsheng@627
|
6361 "install it."
|
dongsheng@627
|
6362 msgstr ""
|
dongsheng@627
|
6363
|
dongsheng@627
|
6364 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6365 #: ../en/ch05-collab.xml:585
|
dongsheng@627
|
6366 msgid ""
|
dongsheng@627
|
6367 "On Windows, you'll first need to download a suitable ssh client. There are "
|
dongsheng@627
|
6368 "two alternatives."
|
dongsheng@627
|
6369 msgstr ""
|
dongsheng@627
|
6370
|
dongsheng@627
|
6371 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6372 #: ../en/ch05-collab.xml:588
|
dongsheng@627
|
6373 msgid ""
|
dongsheng@627
|
6374 "Simon Tatham's excellent PuTTY package <citation>web:putty</citation> "
|
dongsheng@627
|
6375 "provides a complete suite of ssh client commands."
|
dongsheng@627
|
6376 msgstr ""
|
dongsheng@627
|
6377
|
dongsheng@627
|
6378 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6379 #: ../en/ch05-collab.xml:592
|
songdongsheng@658
|
6380 msgid ""
|
songdongsheng@658
|
6381 "If you have a high tolerance for pain, you can use the Cygwin port of OpenSSH."
|
songdongsheng@658
|
6382 msgstr ""
|
songdongsheng@658
|
6383
|
songdongsheng@658
|
6384 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
6385 #: ../en/ch05-collab.xml:595
|
dongsheng@627
|
6386 msgid ""
|
dongsheng@650
|
6387 "In either case, you'll need to edit your <filename role=\"special\">hg.ini</"
|
dongsheng@650
|
6388 "filename> file to tell Mercurial where to find the actual client command. "
|
dongsheng@650
|
6389 "For example, if you're using PuTTY, you'll need to use the <command>plink</"
|
dongsheng@650
|
6390 "command> command as a command-line ssh client."
|
dongsheng@627
|
6391 msgstr ""
|
dongsheng@627
|
6392
|
dongsheng@627
|
6393 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
songdongsheng@658
|
6394 #: ../en/ch05-collab.xml:605
|
dongsheng@627
|
6395 msgid ""
|
dongsheng@627
|
6396 "The path to <command>plink</command> shouldn't contain any whitespace "
|
dongsheng@627
|
6397 "characters, or Mercurial may not be able to run it correctly (so putting it "
|
dongsheng@650
|
6398 "in <filename class=\"directory\">C:\\Program Files</filename> is probably not "
|
dongsheng@650
|
6399 "a good idea)."
|
dongsheng@650
|
6400 msgstr ""
|
dongsheng@650
|
6401
|
dongsheng@650
|
6402 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6403 #: ../en/ch05-collab.xml:614
|
dongsheng@627
|
6404 msgid "Generating a key pair"
|
dongsheng@630
|
6405 msgstr "产生密钥对"
|
dongsheng@627
|
6406
|
dongsheng@627
|
6407 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6408 #: ../en/ch05-collab.xml:616
|
dongsheng@627
|
6409 msgid ""
|
dongsheng@627
|
6410 "To avoid the need to repetitively type a password every time you need to use "
|
dongsheng@627
|
6411 "your ssh client, I recommend generating a key pair. On a Unix-like system, "
|
dongsheng@627
|
6412 "the <command>ssh-keygen</command> command will do the trick. On Windows, if "
|
dongsheng@627
|
6413 "you're using PuTTY, the <command>puttygen</command> command is what you'll "
|
dongsheng@627
|
6414 "need."
|
dongsheng@627
|
6415 msgstr ""
|
dongsheng@627
|
6416
|
dongsheng@627
|
6417 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6418 #: ../en/ch05-collab.xml:624
|
dongsheng@627
|
6419 msgid ""
|
dongsheng@627
|
6420 "When you generate a key pair, it's usually <emphasis>highly</emphasis> "
|
dongsheng@627
|
6421 "advisable to protect it with a passphrase. (The only time that you might not "
|
dongsheng@627
|
6422 "want to do this is when you're using the ssh protocol for automated tasks on "
|
dongsheng@627
|
6423 "a secure network.)"
|
dongsheng@627
|
6424 msgstr ""
|
dongsheng@627
|
6425
|
dongsheng@627
|
6426 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6427 #: ../en/ch05-collab.xml:630
|
dongsheng@627
|
6428 msgid ""
|
dongsheng@627
|
6429 "Simply generating a key pair isn't enough, however. You'll need to add the "
|
dongsheng@627
|
6430 "public key to the set of authorised keys for whatever user you're logging in "
|
dongsheng@627
|
6431 "remotely as. For servers using OpenSSH (the vast majority), this will mean "
|
dongsheng@627
|
6432 "adding the public key to a list in a file called <filename role=\"special"
|
dongsheng@627
|
6433 "\">authorized_keys</filename> in their <filename role=\"special\" class="
|
dongsheng@627
|
6434 "\"directory\">.ssh</filename> directory."
|
dongsheng@627
|
6435 msgstr ""
|
dongsheng@627
|
6436
|
dongsheng@627
|
6437 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6438 #: ../en/ch05-collab.xml:639
|
dongsheng@627
|
6439 msgid ""
|
dongsheng@627
|
6440 "On a Unix-like system, your public key will have a <filename>.pub</filename> "
|
dongsheng@627
|
6441 "extension. If you're using <command>puttygen</command> on Windows, you can "
|
dongsheng@627
|
6442 "save the public key to a file of your choosing, or paste it from the window "
|
dongsheng@627
|
6443 "it's displayed in straight into the <filename role=\"special"
|
dongsheng@627
|
6444 "\">authorized_keys</filename> file."
|
dongsheng@627
|
6445 msgstr ""
|
dongsheng@627
|
6446
|
dongsheng@627
|
6447 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6448 #: ../en/ch05-collab.xml:648
|
dongsheng@627
|
6449 msgid "Using an authentication agent"
|
dongsheng@630
|
6450 msgstr "使用认证代理"
|
dongsheng@627
|
6451
|
dongsheng@627
|
6452 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6453 #: ../en/ch05-collab.xml:650
|
dongsheng@627
|
6454 msgid ""
|
dongsheng@627
|
6455 "An authentication agent is a daemon that stores passphrases in memory (so it "
|
dongsheng@627
|
6456 "will forget passphrases if you log out and log back in again). An ssh client "
|
dongsheng@627
|
6457 "will notice if it's running, and query it for a passphrase. If there's no "
|
dongsheng@627
|
6458 "authentication agent running, or the agent doesn't store the necessary "
|
dongsheng@627
|
6459 "passphrase, you'll have to type your passphrase every time Mercurial tries to "
|
dongsheng@627
|
6460 "communicate with a server on your behalf (e.g. whenever you pull or push "
|
dongsheng@627
|
6461 "changes)."
|
dongsheng@627
|
6462 msgstr ""
|
dongsheng@627
|
6463
|
dongsheng@627
|
6464 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6465 #: ../en/ch05-collab.xml:659
|
dongsheng@627
|
6466 msgid ""
|
dongsheng@627
|
6467 "The downside of storing passphrases in an agent is that it's possible for a "
|
dongsheng@627
|
6468 "well-prepared attacker to recover the plain text of your passphrases, in some "
|
dongsheng@627
|
6469 "cases even if your system has been power-cycled. You should make your own "
|
dongsheng@627
|
6470 "judgment as to whether this is an acceptable risk. It certainly saves a lot "
|
dongsheng@627
|
6471 "of repeated typing."
|
dongsheng@627
|
6472 msgstr ""
|
dongsheng@627
|
6473
|
dongsheng@627
|
6474 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6475 #: ../en/ch05-collab.xml:666
|
dongsheng@627
|
6476 msgid ""
|
dongsheng@627
|
6477 "On Unix-like systems, the agent is called <command>ssh-agent</command>, and "
|
dongsheng@627
|
6478 "it's often run automatically for you when you log in. You'll need to use the "
|
dongsheng@627
|
6479 "<command>ssh-add</command> command to add passphrases to the agent's store. "
|
dongsheng@627
|
6480 "On Windows, if you're using PuTTY, the <command>pageant</command> command "
|
dongsheng@627
|
6481 "acts as the agent. It adds an icon to your system tray that will let you "
|
dongsheng@627
|
6482 "manage stored passphrases."
|
dongsheng@627
|
6483 msgstr ""
|
dongsheng@627
|
6484
|
dongsheng@627
|
6485 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6486 #: ../en/ch05-collab.xml:677
|
dongsheng@627
|
6487 msgid "Configuring the server side properly"
|
dongsheng@630
|
6488 msgstr "正确配置服务器端"
|
dongsheng@627
|
6489
|
dongsheng@627
|
6490 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6491 #: ../en/ch05-collab.xml:679
|
dongsheng@627
|
6492 msgid ""
|
dongsheng@627
|
6493 "Because ssh can be fiddly to set up if you're new to it, there's a variety of "
|
dongsheng@627
|
6494 "things that can go wrong. Add Mercurial on top, and there's plenty more "
|
dongsheng@627
|
6495 "scope for head-scratching. Most of these potential problems occur on the "
|
dongsheng@627
|
6496 "server side, not the client side. The good news is that once you've gotten a "
|
dongsheng@627
|
6497 "configuration working, it will usually continue to work indefinitely."
|
dongsheng@627
|
6498 msgstr ""
|
dongsheng@627
|
6499
|
dongsheng@627
|
6500 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6501 #: ../en/ch05-collab.xml:687
|
dongsheng@627
|
6502 msgid ""
|
dongsheng@627
|
6503 "Before you try using Mercurial to talk to an ssh server, it's best to make "
|
dongsheng@627
|
6504 "sure that you can use the normal <command>ssh</command> or <command>putty</"
|
dongsheng@627
|
6505 "command> command to talk to the server first. If you run into problems with "
|
dongsheng@627
|
6506 "using these commands directly, Mercurial surely won't work. Worse, it will "
|
dongsheng@627
|
6507 "obscure the underlying problem. Any time you want to debug ssh-related "
|
dongsheng@627
|
6508 "Mercurial problems, you should drop back to making sure that plain ssh client "
|
dongsheng@627
|
6509 "commands work first, <emphasis>before</emphasis> you worry about whether "
|
dongsheng@627
|
6510 "there's a problem with Mercurial."
|
dongsheng@627
|
6511 msgstr ""
|
dongsheng@627
|
6512
|
dongsheng@627
|
6513 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6514 #: ../en/ch05-collab.xml:698
|
dongsheng@627
|
6515 msgid ""
|
dongsheng@627
|
6516 "The first thing to be sure of on the server side is that you can actually log "
|
dongsheng@627
|
6517 "in from another machine at all. If you can't use <command>ssh</command> or "
|
dongsheng@627
|
6518 "<command>putty</command> to log in, the error message you get may give you a "
|
dongsheng@627
|
6519 "few hints as to what's wrong. The most common problems are as follows."
|
dongsheng@627
|
6520 msgstr ""
|
dongsheng@627
|
6521
|
dongsheng@627
|
6522 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6523 #: ../en/ch05-collab.xml:705
|
dongsheng@627
|
6524 msgid ""
|
dongsheng@627
|
6525 "If you get a <quote>connection refused</quote> error, either there isn't an "
|
dongsheng@627
|
6526 "SSH daemon running on the server at all, or it's inaccessible due to firewall "
|
dongsheng@627
|
6527 "configuration."
|
dongsheng@627
|
6528 msgstr ""
|
dongsheng@627
|
6529
|
dongsheng@627
|
6530 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6531 #: ../en/ch05-collab.xml:710
|
dongsheng@627
|
6532 msgid ""
|
dongsheng@627
|
6533 "If you get a <quote>no route to host</quote> error, you either have an "
|
dongsheng@627
|
6534 "incorrect address for the server or a seriously locked down firewall that "
|
dongsheng@627
|
6535 "won't admit its existence at all."
|
dongsheng@627
|
6536 msgstr ""
|
dongsheng@627
|
6537
|
dongsheng@627
|
6538 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6539 #: ../en/ch05-collab.xml:715
|
dongsheng@627
|
6540 msgid ""
|
dongsheng@627
|
6541 "If you get a <quote>permission denied</quote> error, you may have mistyped "
|
dongsheng@627
|
6542 "the username on the server, or you could have mistyped your key's passphrase "
|
dongsheng@627
|
6543 "or the remote user's password."
|
dongsheng@627
|
6544 msgstr ""
|
dongsheng@627
|
6545
|
dongsheng@627
|
6546 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6547 #: ../en/ch05-collab.xml:720
|
dongsheng@627
|
6548 msgid ""
|
dongsheng@627
|
6549 "In summary, if you're having trouble talking to the server's ssh daemon, "
|
dongsheng@627
|
6550 "first make sure that one is running at all. On many systems it will be "
|
dongsheng@627
|
6551 "installed, but disabled, by default. Once you're done with this step, you "
|
dongsheng@627
|
6552 "should then check that the server's firewall is configured to allow incoming "
|
dongsheng@627
|
6553 "connections on the port the ssh daemon is listening on (usually 22). Don't "
|
dongsheng@627
|
6554 "worry about more exotic possibilities for misconfiguration until you've "
|
dongsheng@627
|
6555 "checked these two first."
|
dongsheng@627
|
6556 msgstr ""
|
dongsheng@627
|
6557
|
dongsheng@627
|
6558 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6559 #: ../en/ch05-collab.xml:730
|
dongsheng@627
|
6560 msgid ""
|
dongsheng@627
|
6561 "If you're using an authentication agent on the client side to store "
|
dongsheng@627
|
6562 "passphrases for your keys, you ought to be able to log into the server "
|
dongsheng@627
|
6563 "without being prompted for a passphrase or a password. If you're prompted "
|
dongsheng@627
|
6564 "for a passphrase, there are a few possible culprits."
|
dongsheng@627
|
6565 msgstr ""
|
dongsheng@627
|
6566
|
dongsheng@627
|
6567 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6568 #: ../en/ch05-collab.xml:736
|
dongsheng@627
|
6569 msgid ""
|
dongsheng@627
|
6570 "You might have forgotten to use <command>ssh-add</command> or "
|
dongsheng@627
|
6571 "<command>pageant</command> to store the passphrase."
|
dongsheng@627
|
6572 msgstr ""
|
dongsheng@627
|
6573
|
dongsheng@627
|
6574 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6575 #: ../en/ch05-collab.xml:740
|
songdongsheng@658
|
6576 msgid "You might have stored the passphrase for the wrong key."
|
songdongsheng@658
|
6577 msgstr ""
|
songdongsheng@658
|
6578
|
songdongsheng@658
|
6579 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
6580 #: ../en/ch05-collab.xml:743
|
dongsheng@627
|
6581 msgid ""
|
dongsheng@627
|
6582 "If you're being prompted for the remote user's password, there are another "
|
dongsheng@627
|
6583 "few possible problems to check."
|
dongsheng@627
|
6584 msgstr ""
|
dongsheng@627
|
6585
|
dongsheng@627
|
6586 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6587 #: ../en/ch05-collab.xml:746
|
dongsheng@627
|
6588 msgid ""
|
dongsheng@627
|
6589 "Either the user's home directory or their <filename role=\"special\" class="
|
dongsheng@627
|
6590 "\"directory\">.ssh</filename> directory might have excessively liberal "
|
dongsheng@627
|
6591 "permissions. As a result, the ssh daemon will not trust or read their "
|
dongsheng@627
|
6592 "<filename role=\"special\">authorized_keys</filename> file. For example, a "
|
dongsheng@627
|
6593 "group-writable home or <filename role=\"special\" class=\"directory\">.ssh</"
|
dongsheng@627
|
6594 "filename> directory will often cause this symptom."
|
dongsheng@627
|
6595 msgstr ""
|
dongsheng@627
|
6596
|
dongsheng@627
|
6597 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6598 #: ../en/ch05-collab.xml:755
|
dongsheng@627
|
6599 msgid ""
|
dongsheng@627
|
6600 "The user's <filename role=\"special\">authorized_keys</filename> file may "
|
dongsheng@627
|
6601 "have a problem. If anyone other than the user owns or can write to that file, "
|
dongsheng@627
|
6602 "the ssh daemon will not trust or read it."
|
dongsheng@627
|
6603 msgstr ""
|
dongsheng@627
|
6604
|
dongsheng@627
|
6605 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6606 #: ../en/ch05-collab.xml:762
|
dongsheng@627
|
6607 msgid ""
|
dongsheng@627
|
6608 "In the ideal world, you should be able to run the following command "
|
dongsheng@627
|
6609 "successfully, and it should print exactly one line of output, the current "
|
dongsheng@627
|
6610 "date and time."
|
dongsheng@627
|
6611 msgstr ""
|
dongsheng@627
|
6612
|
dongsheng@627
|
6613 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6614 #: ../en/ch05-collab.xml:767
|
dongsheng@627
|
6615 msgid ""
|
dongsheng@627
|
6616 "If, on your server, you have login scripts that print banners or other junk "
|
dongsheng@627
|
6617 "even when running non-interactive commands like this, you should fix them "
|
dongsheng@627
|
6618 "before you continue, so that they only print output if they're run "
|
dongsheng@627
|
6619 "interactively. Otherwise these banners will at least clutter up Mercurial's "
|
dongsheng@627
|
6620 "output. Worse, they could potentially cause problems with running Mercurial "
|
dongsheng@627
|
6621 "commands remotely. Mercurial makes tries to detect and ignore banners in non-"
|
dongsheng@627
|
6622 "interactive <command>ssh</command> sessions, but it is not foolproof. (If "
|
dongsheng@627
|
6623 "you're editing your login scripts on your server, the usual way to see if a "
|
dongsheng@627
|
6624 "login script is running in an interactive shell is to check the return code "
|
dongsheng@627
|
6625 "from the command <literal>tty -s</literal>.)"
|
dongsheng@627
|
6626 msgstr ""
|
dongsheng@627
|
6627
|
dongsheng@627
|
6628 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6629 #: ../en/ch05-collab.xml:781
|
dongsheng@627
|
6630 msgid ""
|
dongsheng@627
|
6631 "Once you've verified that plain old ssh is working with your server, the next "
|
dongsheng@627
|
6632 "step is to ensure that Mercurial runs on the server. The following command "
|
dongsheng@627
|
6633 "should run successfully:"
|
dongsheng@627
|
6634 msgstr ""
|
dongsheng@627
|
6635
|
dongsheng@627
|
6636 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6637 #: ../en/ch05-collab.xml:788
|
dongsheng@627
|
6638 msgid ""
|
dongsheng@627
|
6639 "If you see an error message instead of normal <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
6640 "version</command> output, this is usually because you haven't installed "
|
dongsheng@627
|
6641 "Mercurial to <filename class=\"directory\">/usr/bin</filename>. Don't worry "
|
dongsheng@627
|
6642 "if this is the case; you don't need to do that. But you should check for a "
|
dongsheng@627
|
6643 "few possible problems."
|
dongsheng@627
|
6644 msgstr ""
|
dongsheng@627
|
6645
|
dongsheng@627
|
6646 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6647 #: ../en/ch05-collab.xml:795
|
dongsheng@627
|
6648 msgid ""
|
dongsheng@627
|
6649 "Is Mercurial really installed on the server at all? I know this sounds "
|
dongsheng@627
|
6650 "trivial, but it's worth checking!"
|
dongsheng@627
|
6651 msgstr ""
|
dongsheng@627
|
6652
|
dongsheng@627
|
6653 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6654 #: ../en/ch05-collab.xml:799
|
dongsheng@627
|
6655 msgid ""
|
dongsheng@627
|
6656 "Maybe your shell's search path (usually set via the <envar>PATH</envar> "
|
dongsheng@627
|
6657 "environment variable) is simply misconfigured."
|
dongsheng@627
|
6658 msgstr ""
|
dongsheng@627
|
6659
|
dongsheng@627
|
6660 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6661 #: ../en/ch05-collab.xml:803
|
dongsheng@627
|
6662 msgid ""
|
dongsheng@627
|
6663 "Perhaps your <envar>PATH</envar> environment variable is only being set to "
|
dongsheng@627
|
6664 "point to the location of the <command>hg</command> executable if the login "
|
dongsheng@627
|
6665 "session is interactive. This can happen if you're setting the path in the "
|
dongsheng@627
|
6666 "wrong shell login script. See your shell's documentation for details."
|
dongsheng@627
|
6667 msgstr ""
|
dongsheng@627
|
6668
|
dongsheng@627
|
6669 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
6670 #: ../en/ch05-collab.xml:810
|
dongsheng@627
|
6671 msgid ""
|
dongsheng@627
|
6672 "The <envar>PYTHONPATH</envar> environment variable may need to contain the "
|
dongsheng@627
|
6673 "path to the Mercurial Python modules. It might not be set at all; it could "
|
dongsheng@627
|
6674 "be incorrect; or it may be set only if the login is interactive."
|
dongsheng@627
|
6675 msgstr ""
|
dongsheng@627
|
6676
|
dongsheng@627
|
6677 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6678 #: ../en/ch05-collab.xml:817
|
dongsheng@627
|
6679 msgid ""
|
dongsheng@627
|
6680 "If you can run <command role=\"hg-cmd\">hg version</command> over an ssh "
|
dongsheng@627
|
6681 "connection, well done! You've got the server and client sorted out. You "
|
dongsheng@627
|
6682 "should now be able to use Mercurial to access repositories hosted by that "
|
dongsheng@627
|
6683 "username on that server. If you run into problems with Mercurial and ssh at "
|
dongsheng@627
|
6684 "this point, try using the <option role=\"hg-opt-global\">--debug</option> "
|
dongsheng@627
|
6685 "option to get a clearer picture of what's going on."
|
dongsheng@627
|
6686 msgstr ""
|
dongsheng@627
|
6687
|
dongsheng@627
|
6688 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6689 #: ../en/ch05-collab.xml:827
|
dongsheng@627
|
6690 msgid "Using compression with ssh"
|
dongsheng@630
|
6691 msgstr "通过 ssh 使用压缩"
|
dongsheng@627
|
6692
|
dongsheng@627
|
6693 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6694 #: ../en/ch05-collab.xml:829
|
dongsheng@627
|
6695 msgid ""
|
dongsheng@627
|
6696 "Mercurial does not compress data when it uses the ssh protocol, because the "
|
dongsheng@627
|
6697 "ssh protocol can transparently compress data. However, the default behaviour "
|
dongsheng@627
|
6698 "of ssh clients is <emphasis>not</emphasis> to request compression."
|
dongsheng@627
|
6699 msgstr ""
|
dongsheng@627
|
6700
|
dongsheng@627
|
6701 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6702 #: ../en/ch05-collab.xml:834
|
dongsheng@627
|
6703 msgid ""
|
dongsheng@627
|
6704 "Over any network other than a fast LAN (even a wireless network), using "
|
dongsheng@627
|
6705 "compression is likely to significantly speed up Mercurial's network "
|
dongsheng@627
|
6706 "operations. For example, over a WAN, someone measured compression as "
|
dongsheng@627
|
6707 "reducing the amount of time required to clone a particularly large repository "
|
dongsheng@627
|
6708 "from 51 minutes to 17 minutes."
|
dongsheng@627
|
6709 msgstr ""
|
dongsheng@627
|
6710
|
dongsheng@627
|
6711 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6712 #: ../en/ch05-collab.xml:841
|
dongsheng@627
|
6713 msgid ""
|
dongsheng@627
|
6714 "Both <command>ssh</command> and <command>plink</command> accept a <option "
|
dongsheng@627
|
6715 "role=\"cmd-opt-ssh\">-C</option> option which turns on compression. You can "
|
dongsheng@650
|
6716 "easily edit your <filename role=\"special\">~/.hgrc</filename> to enable "
|
dongsheng@627
|
6717 "compression for all of Mercurial's uses of the ssh protocol."
|
dongsheng@627
|
6718 msgstr ""
|
dongsheng@627
|
6719
|
dongsheng@627
|
6720 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6721 #: ../en/ch05-collab.xml:849
|
dongsheng@627
|
6722 msgid ""
|
dongsheng@627
|
6723 "If you use <command>ssh</command>, you can configure it to always use "
|
dongsheng@627
|
6724 "compression when talking to your server. To do this, edit your <filename "
|
dongsheng@627
|
6725 "role=\"special\">.ssh/config</filename> file (which may not yet exist), as "
|
dongsheng@627
|
6726 "follows."
|
dongsheng@627
|
6727 msgstr ""
|
dongsheng@627
|
6728
|
dongsheng@627
|
6729 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6730 #: ../en/ch05-collab.xml:857
|
dongsheng@627
|
6731 msgid ""
|
dongsheng@627
|
6732 "This defines an alias, <literal>hg</literal>. When you use it on the "
|
dongsheng@627
|
6733 "<command>ssh</command> command line or in a Mercurial <literal>ssh</literal>-"
|
dongsheng@627
|
6734 "protocol URL, it will cause <command>ssh</command> to connect to <literal>hg."
|
dongsheng@627
|
6735 "example.com</literal> and use compression. This gives you both a shorter "
|
dongsheng@627
|
6736 "name to type and compression, each of which is a good thing in its own right."
|
dongsheng@627
|
6737 msgstr ""
|
dongsheng@627
|
6738
|
dongsheng@627
|
6739 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
6740 #: ../en/ch05-collab.xml:868
|
dongsheng@627
|
6741 msgid "Serving over HTTP using CGI"
|
dongsheng@630
|
6742 msgstr "使用 CGI 通过 HTTP 提供服务"
|
dongsheng@627
|
6743
|
dongsheng@627
|
6744 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6745 #: ../en/ch05-collab.xml:870
|
dongsheng@627
|
6746 msgid ""
|
dongsheng@627
|
6747 "Depending on how ambitious you are, configuring Mercurial's CGI interface can "
|
dongsheng@627
|
6748 "take anything from a few moments to several hours."
|
dongsheng@627
|
6749 msgstr ""
|
dongsheng@627
|
6750
|
dongsheng@627
|
6751 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
6752 #: ../en/ch05-collab.xml:874
|
dongsheng@627
|
6753 msgid ""
|
dongsheng@627
|
6754 "We'll begin with the simplest of examples, and work our way towards a more "
|
dongsheng@627
|
6755 "complex configuration. Even for the most basic case, you're almost certainly "
|
dongsheng@627
|
6756 "going to need to read and modify your web server's configuration."
|
dongsheng@627
|
6757 msgstr ""
|
dongsheng@627
|
6758
|
dongsheng@627
|
6759 #. type: Content of: <book><chapter><sect1><note><para>
|
songdongsheng@658
|
6760 #: ../en/ch05-collab.xml:880
|
dongsheng@627
|
6761 msgid ""
|
dongsheng@627
|
6762 "Configuring a web server is a complex, fiddly, and highly system-dependent "
|
dongsheng@627
|
6763 "activity. I can't possibly give you instructions that will cover anything "
|
dongsheng@627
|
6764 "like all of the cases you will encounter. Please use your discretion and "
|
dongsheng@627
|
6765 "judgment in following the sections below. Be prepared to make plenty of "
|
dongsheng@627
|
6766 "mistakes, and to spend a lot of time reading your server's error logs."
|
dongsheng@627
|
6767 msgstr ""
|
dongsheng@627
|
6768
|
dongsheng@627
|
6769 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6770 #: ../en/ch05-collab.xml:890
|
dongsheng@627
|
6771 msgid "Web server configuration checklist"
|
dongsheng@630
|
6772 msgstr "Web 服务器配置检查表"
|
dongsheng@627
|
6773
|
dongsheng@627
|
6774 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6775 #: ../en/ch05-collab.xml:892
|
dongsheng@627
|
6776 msgid ""
|
dongsheng@627
|
6777 "Before you continue, do take a few moments to check a few aspects of your "
|
dongsheng@627
|
6778 "system's setup."
|
dongsheng@627
|
6779 msgstr ""
|
dongsheng@627
|
6780
|
dongsheng@627
|
6781 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
6782 #: ../en/ch05-collab.xml:896
|
dongsheng@627
|
6783 msgid ""
|
dongsheng@627
|
6784 "Do you have a web server installed at all? Mac OS X ships with Apache, but "
|
dongsheng@627
|
6785 "many other systems may not have a web server installed."
|
dongsheng@627
|
6786 msgstr ""
|
dongsheng@627
|
6787
|
dongsheng@627
|
6788 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
6789 #: ../en/ch05-collab.xml:900
|
dongsheng@627
|
6790 msgid ""
|
dongsheng@627
|
6791 "If you have a web server installed, is it actually running? On most systems, "
|
dongsheng@627
|
6792 "even if one is present, it will be disabled by default."
|
dongsheng@627
|
6793 msgstr ""
|
dongsheng@627
|
6794
|
dongsheng@627
|
6795 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
6796 #: ../en/ch05-collab.xml:904
|
dongsheng@627
|
6797 msgid ""
|
dongsheng@627
|
6798 "Is your server configured to allow you to run CGI programs in the directory "
|
dongsheng@627
|
6799 "where you plan to do so? Most servers default to explicitly disabling the "
|
dongsheng@627
|
6800 "ability to run CGI programs."
|
dongsheng@627
|
6801 msgstr ""
|
dongsheng@627
|
6802
|
dongsheng@627
|
6803 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6804 #: ../en/ch05-collab.xml:910
|
dongsheng@627
|
6805 msgid ""
|
dongsheng@627
|
6806 "If you don't have a web server installed, and don't have substantial "
|
dongsheng@627
|
6807 "experience configuring Apache, you should consider using the "
|
dongsheng@627
|
6808 "<literal>lighttpd</literal> web server instead of Apache. Apache has a well-"
|
dongsheng@627
|
6809 "deserved reputation for baroque and confusing configuration. While "
|
dongsheng@627
|
6810 "<literal>lighttpd</literal> is less capable in some ways than Apache, most of "
|
dongsheng@627
|
6811 "these capabilities are not relevant to serving Mercurial repositories. And "
|
dongsheng@627
|
6812 "<literal>lighttpd</literal> is undeniably <emphasis>much</emphasis> easier to "
|
dongsheng@627
|
6813 "get started with than Apache."
|
dongsheng@627
|
6814 msgstr ""
|
dongsheng@627
|
6815
|
dongsheng@627
|
6816 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
6817 #: ../en/ch05-collab.xml:923
|
dongsheng@627
|
6818 msgid "Basic CGI configuration"
|
dongsheng@630
|
6819 msgstr "基本 CGI 配置"
|
dongsheng@627
|
6820
|
dongsheng@627
|
6821 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6822 #: ../en/ch05-collab.xml:925
|
dongsheng@627
|
6823 msgid ""
|
dongsheng@627
|
6824 "On Unix-like systems, it's common for users to have a subdirectory named "
|
dongsheng@627
|
6825 "something like <filename class=\"directory\">public_html</filename> in their "
|
dongsheng@627
|
6826 "home directory, from which they can serve up web pages. A file named "
|
dongsheng@627
|
6827 "<filename>foo</filename> in this directory will be accessible at a URL of the "
|
dongsheng@650
|
6828 "form <literal>http://www.example.com/username/foo</literal>."
|
dongsheng@650
|
6829 msgstr ""
|
dongsheng@650
|
6830
|
dongsheng@650
|
6831 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6832 #: ../en/ch05-collab.xml:933
|
dongsheng@627
|
6833 msgid ""
|
dongsheng@627
|
6834 "To get started, find the <filename role=\"special\">hgweb.cgi</filename> "
|
dongsheng@627
|
6835 "script that should be present in your Mercurial installation. If you can't "
|
dongsheng@627
|
6836 "quickly find a local copy on your system, simply download one from the master "
|
dongsheng@627
|
6837 "Mercurial repository at <ulink url=\"http://www.selenic.com/repo/hg/raw-file/"
|
dongsheng@627
|
6838 "tip/hgweb.cgi\">http://www.selenic.com/repo/hg/raw-file/tip/hgweb.cgi</ulink>."
|
dongsheng@627
|
6839 msgstr ""
|
dongsheng@627
|
6840
|
dongsheng@627
|
6841 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6842 #: ../en/ch05-collab.xml:940 ../en/ch05-collab.xml:1109
|
dongsheng@627
|
6843 msgid ""
|
dongsheng@627
|
6844 "You'll need to copy this script into your <filename class=\"directory"
|
dongsheng@627
|
6845 "\">public_html</filename> directory, and ensure that it's executable."
|
dongsheng@627
|
6846 msgstr ""
|
dongsheng@627
|
6847
|
dongsheng@627
|
6848 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
6849 #: ../en/ch05-collab.xml:945
|
dongsheng@627
|
6850 msgid ""
|
dongsheng@627
|
6851 "The <literal>755</literal> argument to <command>chmod</command> is a little "
|
dongsheng@627
|
6852 "more general than just making the script executable: it ensures that the "
|
dongsheng@627
|
6853 "script is executable by anyone, and that <quote>group</quote> and "
|
dongsheng@627
|
6854 "<quote>other</quote> write permissions are <emphasis>not</emphasis> set. If "
|
dongsheng@627
|
6855 "you were to leave those write permissions enabled, Apache's <literal>suexec</"
|
dongsheng@627
|
6856 "literal> subsystem would likely refuse to execute the script. In fact, "
|
dongsheng@627
|
6857 "<literal>suexec</literal> also insists that the <emphasis>directory</"
|
dongsheng@627
|
6858 "emphasis> in which the script resides must not be writable by others."
|
dongsheng@627
|
6859 msgstr ""
|
dongsheng@627
|
6860
|
dongsheng@627
|
6861 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
6862 #: ../en/ch05-collab.xml:959
|
dongsheng@627
|
6863 msgid "What could <emphasis>possibly</emphasis> go wrong?"
|
dongsheng@630
|
6864 msgstr "什么<emphasis>可能</emphasis>会出错?"
|
dongsheng@627
|
6865
|
dongsheng@627
|
6866 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6867 #: ../en/ch05-collab.xml:962
|
dongsheng@627
|
6868 msgid ""
|
dongsheng@627
|
6869 "Once you've copied the CGI script into place, go into a web browser, and try "
|
dongsheng@627
|
6870 "to open the URL <ulink url=\"http://myhostname/ myuser/hgweb.cgi\">http://"
|
dongsheng@627
|
6871 "myhostname/ myuser/hgweb.cgi</ulink>, <emphasis>but</emphasis> brace yourself "
|
dongsheng@627
|
6872 "for instant failure. There's a high probability that trying to visit this "
|
dongsheng@627
|
6873 "URL will fail, and there are many possible reasons for this. In fact, you're "
|
dongsheng@627
|
6874 "likely to stumble over almost every one of the possible errors below, so "
|
dongsheng@627
|
6875 "please read carefully. The following are all of the problems I ran into on a "
|
dongsheng@627
|
6876 "system running Fedora 7, with a fresh installation of Apache, and a user "
|
dongsheng@627
|
6877 "account that I created specially to perform this exercise."
|
dongsheng@627
|
6878 msgstr ""
|
dongsheng@627
|
6879
|
dongsheng@627
|
6880 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6881 #: ../en/ch05-collab.xml:976
|
dongsheng@627
|
6882 msgid ""
|
dongsheng@627
|
6883 "Your web server may have per-user directories disabled. If you're using "
|
dongsheng@627
|
6884 "Apache, search your config file for a <literal>UserDir</literal> directive. "
|
dongsheng@627
|
6885 "If there's none present, per-user directories will be disabled. If one "
|
dongsheng@627
|
6886 "exists, but its value is <literal>disabled</literal>, then per-user "
|
dongsheng@627
|
6887 "directories will be disabled. Otherwise, the string after <literal>UserDir</"
|
dongsheng@627
|
6888 "literal> gives the name of the subdirectory that Apache will look in under "
|
dongsheng@627
|
6889 "your home directory, for example <filename class=\"directory\">public_html</"
|
dongsheng@627
|
6890 "filename>."
|
dongsheng@627
|
6891 msgstr ""
|
dongsheng@627
|
6892
|
dongsheng@627
|
6893 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6894 #: ../en/ch05-collab.xml:987
|
dongsheng@627
|
6895 msgid ""
|
dongsheng@627
|
6896 "Your file access permissions may be too restrictive. The web server must be "
|
dongsheng@627
|
6897 "able to traverse your home directory and directories under your <filename "
|
dongsheng@627
|
6898 "class=\"directory\">public_html</filename> directory, and read files under "
|
dongsheng@627
|
6899 "the latter too. Here's a quick recipe to help you to make your permissions "
|
dongsheng@627
|
6900 "more appropriate."
|
dongsheng@627
|
6901 msgstr ""
|
dongsheng@627
|
6902
|
dongsheng@627
|
6903 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6904 #: ../en/ch05-collab.xml:997
|
dongsheng@627
|
6905 msgid ""
|
dongsheng@627
|
6906 "The other possibility with permissions is that you might get a completely "
|
dongsheng@627
|
6907 "empty window when you try to load the script. In this case, it's likely that "
|
dongsheng@627
|
6908 "your access permissions are <emphasis>too permissive</emphasis>. Apache's "
|
dongsheng@627
|
6909 "<literal>suexec</literal> subsystem won't execute a script that's group- or "
|
dongsheng@627
|
6910 "world-writable, for example."
|
dongsheng@627
|
6911 msgstr ""
|
dongsheng@627
|
6912
|
dongsheng@627
|
6913 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6914 #: ../en/ch05-collab.xml:1004
|
dongsheng@627
|
6915 msgid ""
|
dongsheng@627
|
6916 "Your web server may be configured to disallow execution of CGI programs in "
|
dongsheng@627
|
6917 "your per-user web directory. Here's Apache's default per-user configuration "
|
dongsheng@627
|
6918 "from my Fedora system."
|
dongsheng@627
|
6919 msgstr ""
|
dongsheng@627
|
6920
|
dongsheng@627
|
6921 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6922 #: ../en/ch05-collab.xml:1011
|
dongsheng@627
|
6923 msgid ""
|
dongsheng@627
|
6924 "If you find a similar-looking <literal>Directory</literal> group in your "
|
dongsheng@627
|
6925 "Apache configuration, the directive to look at inside it is <literal>Options</"
|
dongsheng@627
|
6926 "literal>. Add <literal>ExecCGI</literal> to the end of this list if it's "
|
dongsheng@627
|
6927 "missing, and restart the web server."
|
dongsheng@627
|
6928 msgstr ""
|
dongsheng@627
|
6929
|
dongsheng@627
|
6930 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6931 #: ../en/ch05-collab.xml:1018
|
dongsheng@627
|
6932 msgid ""
|
dongsheng@627
|
6933 "If you find that Apache serves you the text of the CGI script instead of "
|
dongsheng@627
|
6934 "executing it, you may need to either uncomment (if already present) or add a "
|
dongsheng@627
|
6935 "directive like this."
|
dongsheng@627
|
6936 msgstr ""
|
dongsheng@627
|
6937
|
dongsheng@627
|
6938 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6939 #: ../en/ch05-collab.xml:1024
|
dongsheng@627
|
6940 msgid ""
|
dongsheng@627
|
6941 "The next possibility is that you might be served with a colourful Python "
|
dongsheng@627
|
6942 "backtrace claiming that it can't import a <literal>mercurial</literal>-"
|
dongsheng@627
|
6943 "related module. This is actually progress! The server is now capable of "
|
dongsheng@627
|
6944 "executing your CGI script. This error is only likely to occur if you're "
|
dongsheng@627
|
6945 "running a private installation of Mercurial, instead of a system-wide "
|
dongsheng@627
|
6946 "version. Remember that the web server runs the CGI program without any of "
|
dongsheng@627
|
6947 "the environment variables that you take for granted in an interactive "
|
dongsheng@627
|
6948 "session. If this error happens to you, edit your copy of <filename role="
|
dongsheng@627
|
6949 "\"special\">hgweb.cgi</filename> and follow the directions inside it to "
|
dongsheng@627
|
6950 "correctly set your <envar>PYTHONPATH</envar> environment variable."
|
dongsheng@627
|
6951 msgstr ""
|
dongsheng@627
|
6952
|
dongsheng@627
|
6953 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6954 #: ../en/ch05-collab.xml:1038
|
dongsheng@627
|
6955 msgid ""
|
dongsheng@627
|
6956 "Finally, you are <emphasis>certain</emphasis> to by served with another "
|
dongsheng@627
|
6957 "colourful Python backtrace: this one will complain that it can't find "
|
dongsheng@627
|
6958 "<filename class=\"directory\">/path/to/repository</filename>. Edit your "
|
dongsheng@627
|
6959 "<filename role=\"special\">hgweb.cgi</filename> script and replace the "
|
dongsheng@627
|
6960 "<filename class=\"directory\">/path/to/repository</filename> string with the "
|
dongsheng@627
|
6961 "complete path to the repository you want to serve up."
|
dongsheng@627
|
6962 msgstr ""
|
dongsheng@627
|
6963
|
dongsheng@627
|
6964 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6965 #: ../en/ch05-collab.xml:1048
|
dongsheng@627
|
6966 msgid ""
|
dongsheng@627
|
6967 "At this point, when you try to reload the page, you should be presented with "
|
dongsheng@627
|
6968 "a nice HTML view of your repository's history. Whew!"
|
dongsheng@627
|
6969 msgstr ""
|
dongsheng@627
|
6970
|
dongsheng@627
|
6971 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
6972 #: ../en/ch05-collab.xml:1054
|
dongsheng@627
|
6973 msgid "Configuring lighttpd"
|
dongsheng@630
|
6974 msgstr "配置 lighttpd"
|
dongsheng@627
|
6975
|
dongsheng@627
|
6976 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6977 #: ../en/ch05-collab.xml:1056
|
dongsheng@627
|
6978 msgid ""
|
dongsheng@627
|
6979 "To be exhaustive in my experiments, I tried configuring the increasingly "
|
dongsheng@627
|
6980 "popular <literal>lighttpd</literal> web server to serve the same repository "
|
dongsheng@627
|
6981 "as I described with Apache above. I had already overcome all of the problems "
|
dongsheng@627
|
6982 "I outlined with Apache, many of which are not server-specific. As a result, "
|
dongsheng@627
|
6983 "I was fairly sure that my file and directory permissions were good, and that "
|
dongsheng@627
|
6984 "my <filename role=\"special\">hgweb.cgi</filename> script was properly edited."
|
dongsheng@627
|
6985 msgstr ""
|
dongsheng@627
|
6986
|
dongsheng@627
|
6987 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
6988 #: ../en/ch05-collab.xml:1066
|
dongsheng@627
|
6989 msgid ""
|
dongsheng@627
|
6990 "Once I had Apache running, getting <literal>lighttpd</literal> to serve the "
|
dongsheng@627
|
6991 "repository was a snap (in other words, even if you're trying to use "
|
dongsheng@627
|
6992 "<literal>lighttpd</literal>, you should read the Apache section). I first "
|
dongsheng@627
|
6993 "had to edit the <literal>mod_access</literal> section of its config file to "
|
dongsheng@627
|
6994 "enable <literal>mod_cgi</literal> and <literal>mod_userdir</literal>, both of "
|
dongsheng@627
|
6995 "which were disabled by default on my system. I then added a few lines to the "
|
dongsheng@627
|
6996 "end of the config file, to configure these modules."
|
dongsheng@627
|
6997 msgstr ""
|
dongsheng@627
|
6998
|
dongsheng@627
|
6999 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
7000 #: ../en/ch05-collab.xml:1078
|
dongsheng@627
|
7001 msgid ""
|
dongsheng@627
|
7002 "With this done, <literal>lighttpd</literal> ran immediately for me. If I had "
|
dongsheng@627
|
7003 "configured <literal>lighttpd</literal> before Apache, I'd almost certainly "
|
dongsheng@627
|
7004 "have run into many of the same system-level configuration problems as I did "
|
dongsheng@627
|
7005 "with Apache. However, I found <literal>lighttpd</literal> to be noticeably "
|
dongsheng@627
|
7006 "easier to configure than Apache, even though I've used Apache for over a "
|
dongsheng@627
|
7007 "decade, and this was my first exposure to <literal>lighttpd</literal>."
|
dongsheng@627
|
7008 msgstr ""
|
dongsheng@627
|
7009
|
dongsheng@627
|
7010 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
7011 #: ../en/ch05-collab.xml:1091
|
dongsheng@627
|
7012 msgid "Sharing multiple repositories with one CGI script"
|
dongsheng@630
|
7013 msgstr "使用一个 CGI 脚本共享多个版本库"
|
dongsheng@627
|
7014
|
dongsheng@627
|
7015 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7016 #: ../en/ch05-collab.xml:1093
|
dongsheng@627
|
7017 msgid ""
|
dongsheng@627
|
7018 "The <filename role=\"special\">hgweb.cgi</filename> script only lets you "
|
dongsheng@627
|
7019 "publish a single repository, which is an annoying restriction. If you want "
|
dongsheng@627
|
7020 "to publish more than one without wracking yourself with multiple copies of "
|
dongsheng@627
|
7021 "the same script, each with different names, a better choice is to use the "
|
dongsheng@627
|
7022 "<filename role=\"special\">hgwebdir.cgi</filename> script."
|
dongsheng@627
|
7023 msgstr ""
|
dongsheng@627
|
7024
|
dongsheng@627
|
7025 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7026 #: ../en/ch05-collab.xml:1101
|
dongsheng@627
|
7027 msgid ""
|
dongsheng@627
|
7028 "The procedure to configure <filename role=\"special\">hgwebdir.cgi</filename> "
|
dongsheng@627
|
7029 "is only a little more involved than for <filename role=\"special\">hgweb.cgi</"
|
dongsheng@627
|
7030 "filename>. First, you must obtain a copy of the script. If you don't have "
|
dongsheng@627
|
7031 "one handy, you can download a copy from the master Mercurial repository at "
|
dongsheng@627
|
7032 "<ulink url=\"http://www.selenic.com/repo/hg/raw-file/tip/hgwebdir.cgi"
|
dongsheng@627
|
7033 "\">http://www.selenic.com/repo/hg/raw-file/tip/hgwebdir.cgi</ulink>."
|
dongsheng@627
|
7034 msgstr ""
|
dongsheng@627
|
7035
|
dongsheng@627
|
7036 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7037 #: ../en/ch05-collab.xml:1116
|
dongsheng@627
|
7038 msgid ""
|
dongsheng@627
|
7039 "With basic configuration out of the way, try to visit <ulink url=\"http://"
|
dongsheng@627
|
7040 "myhostname/ myuser/hgwebdir.cgi\">http://myhostname/ myuser/hgwebdir.cgi</"
|
dongsheng@627
|
7041 "ulink> in your browser. It should display an empty list of repositories. If "
|
dongsheng@627
|
7042 "you get a blank window or error message, try walking through the list of "
|
songdongsheng@658
|
7043 "potential problems in <xref linkend=\"sec:collab:wtf\"/>."
|
songdongsheng@658
|
7044 msgstr ""
|
songdongsheng@658
|
7045
|
songdongsheng@658
|
7046 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7047 #: ../en/ch05-collab.xml:1125
|
dongsheng@627
|
7048 msgid ""
|
dongsheng@627
|
7049 "The <filename role=\"special\">hgwebdir.cgi</filename> script relies on an "
|
dongsheng@627
|
7050 "external configuration file. By default, it searches for a file named "
|
dongsheng@627
|
7051 "<filename role=\"special\">hgweb.config</filename> in the same directory as "
|
dongsheng@627
|
7052 "itself. You'll need to create this file, and make it world-readable. The "
|
dongsheng@627
|
7053 "format of the file is similar to a Windows <quote>ini</quote> file, as "
|
dongsheng@627
|
7054 "understood by Python's <literal>ConfigParser</literal> <citation>web:"
|
dongsheng@627
|
7055 "configparser</citation> module."
|
dongsheng@627
|
7056 msgstr ""
|
dongsheng@627
|
7057
|
dongsheng@627
|
7058 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7059 #: ../en/ch05-collab.xml:1135
|
dongsheng@627
|
7060 msgid ""
|
dongsheng@627
|
7061 "The easiest way to configure <filename role=\"special\">hgwebdir.cgi</"
|
dongsheng@627
|
7062 "filename> is with a section named <literal>collections</literal>. This will "
|
dongsheng@627
|
7063 "automatically publish <emphasis>every</emphasis> repository under the "
|
dongsheng@627
|
7064 "directories you name. The section should look like this:"
|
dongsheng@627
|
7065 msgstr ""
|
dongsheng@627
|
7066
|
dongsheng@627
|
7067 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7068 #: ../en/ch05-collab.xml:1143
|
dongsheng@627
|
7069 msgid ""
|
dongsheng@627
|
7070 "Mercurial interprets this by looking at the directory name on the "
|
dongsheng@627
|
7071 "<emphasis>right</emphasis> hand side of the <quote><literal>=</literal></"
|
dongsheng@627
|
7072 "quote> sign; finding repositories in that directory hierarchy; and using the "
|
dongsheng@627
|
7073 "text on the <emphasis>left</emphasis> to strip off matching text from the "
|
dongsheng@627
|
7074 "names it will actually list in the web interface. The remaining component of "
|
dongsheng@627
|
7075 "a path after this stripping has occurred is called a <quote>virtual path</"
|
dongsheng@627
|
7076 "quote>."
|
dongsheng@627
|
7077 msgstr ""
|
dongsheng@627
|
7078
|
dongsheng@627
|
7079 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7080 #: ../en/ch05-collab.xml:1152
|
dongsheng@627
|
7081 msgid ""
|
dongsheng@627
|
7082 "Given the example above, if we have a repository whose local path is "
|
dongsheng@627
|
7083 "<filename class=\"directory\">/my/root/this/repo</filename>, the CGI script "
|
dongsheng@627
|
7084 "will strip the leading <filename class=\"directory\">/my/root</filename> from "
|
dongsheng@627
|
7085 "the name, and publish the repository with a virtual path of <filename class="
|
dongsheng@627
|
7086 "\"directory\">this/repo</filename>. If the base URL for our CGI script is "
|
dongsheng@627
|
7087 "<ulink url=\"http://myhostname/ myuser/hgwebdir.cgi\">http://myhostname/ "
|
dongsheng@627
|
7088 "myuser/hgwebdir.cgi</ulink>, the complete URL for that repository will be "
|
dongsheng@627
|
7089 "<ulink url=\"http://myhostname/ myuser/hgwebdir.cgi/this/repo\">http://"
|
dongsheng@627
|
7090 "myhostname/ myuser/hgwebdir.cgi/this/repo</ulink>."
|
dongsheng@627
|
7091 msgstr ""
|
dongsheng@627
|
7092
|
dongsheng@627
|
7093 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7094 #: ../en/ch05-collab.xml:1166
|
dongsheng@627
|
7095 msgid ""
|
dongsheng@627
|
7096 "If we replace <filename class=\"directory\">/my/root</filename> on the left "
|
dongsheng@627
|
7097 "hand side of this example with <filename class=\"directory\">/my</filename>, "
|
dongsheng@627
|
7098 "then <filename role=\"special\">hgwebdir.cgi</filename> will only strip off "
|
dongsheng@627
|
7099 "<filename class=\"directory\">/my</filename> from the repository name, and "
|
dongsheng@627
|
7100 "will give us a virtual path of <filename class=\"directory\">root/this/repo</"
|
dongsheng@627
|
7101 "filename> instead of <filename class=\"directory\">this/repo</filename>."
|
dongsheng@627
|
7102 msgstr ""
|
dongsheng@627
|
7103
|
dongsheng@627
|
7104 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7105 #: ../en/ch05-collab.xml:1176
|
dongsheng@627
|
7106 msgid ""
|
dongsheng@627
|
7107 "The <filename role=\"special\">hgwebdir.cgi</filename> script will "
|
dongsheng@627
|
7108 "recursively search each directory listed in the <literal>collections</"
|
dongsheng@627
|
7109 "literal> section of its configuration file, but it will <literal>not</"
|
dongsheng@627
|
7110 "literal> recurse into the repositories it finds."
|
dongsheng@627
|
7111 msgstr ""
|
dongsheng@627
|
7112
|
dongsheng@627
|
7113 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7114 #: ../en/ch05-collab.xml:1182
|
dongsheng@627
|
7115 msgid ""
|
dongsheng@627
|
7116 "The <literal>collections</literal> mechanism makes it easy to publish many "
|
dongsheng@627
|
7117 "repositories in a <quote>fire and forget</quote> manner. You only need to "
|
dongsheng@627
|
7118 "set up the CGI script and configuration file one time. Afterwards, you can "
|
dongsheng@627
|
7119 "publish or unpublish a repository at any time by simply moving it into, or "
|
dongsheng@627
|
7120 "out of, the directory hierarchy in which you've configured <filename role="
|
dongsheng@627
|
7121 "\"special\">hgwebdir.cgi</filename> to look."
|
dongsheng@627
|
7122 msgstr ""
|
dongsheng@627
|
7123
|
dongsheng@627
|
7124 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
7125 #: ../en/ch05-collab.xml:1192
|
dongsheng@627
|
7126 msgid "Explicitly specifying which repositories to publish"
|
dongsheng@630
|
7127 msgstr "明确指出要发布的版本库"
|
dongsheng@627
|
7128
|
dongsheng@627
|
7129 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
7130 #: ../en/ch05-collab.xml:1195
|
dongsheng@627
|
7131 msgid ""
|
dongsheng@627
|
7132 "In addition to the <literal>collections</literal> mechanism, the <filename "
|
dongsheng@627
|
7133 "role=\"special\">hgwebdir.cgi</filename> script allows you to publish a "
|
dongsheng@627
|
7134 "specific list of repositories. To do so, create a <literal>paths</literal> "
|
dongsheng@627
|
7135 "section, with contents of the following form."
|
dongsheng@627
|
7136 msgstr ""
|
dongsheng@627
|
7137
|
dongsheng@627
|
7138 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
7139 #: ../en/ch05-collab.xml:1204
|
dongsheng@627
|
7140 msgid ""
|
dongsheng@627
|
7141 "In this case, the virtual path (the component that will appear in a URL) is "
|
dongsheng@627
|
7142 "on the left hand side of each definition, while the path to the repository is "
|
dongsheng@627
|
7143 "on the right. Notice that there does not need to be any relationship between "
|
dongsheng@627
|
7144 "the virtual path you choose and the location of a repository in your "
|
dongsheng@627
|
7145 "filesystem."
|
dongsheng@627
|
7146 msgstr ""
|
dongsheng@627
|
7147
|
dongsheng@627
|
7148 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
7149 #: ../en/ch05-collab.xml:1211
|
dongsheng@627
|
7150 msgid ""
|
dongsheng@627
|
7151 "If you wish, you can use both the <literal>collections</literal> and "
|
dongsheng@627
|
7152 "<literal>paths</literal> mechanisms simultaneously in a single configuration "
|
dongsheng@627
|
7153 "file."
|
dongsheng@627
|
7154 msgstr ""
|
dongsheng@627
|
7155
|
dongsheng@627
|
7156 #. type: Content of: <book><chapter><sect1><sect2><sect3><note><para>
|
songdongsheng@658
|
7157 #: ../en/ch05-collab.xml:1217
|
dongsheng@627
|
7158 msgid ""
|
dongsheng@627
|
7159 "If multiple repositories have the same virtual path, <filename role=\"special"
|
dongsheng@627
|
7160 "\">hgwebdir.cgi</filename> will not report an error. Instead, it will behave "
|
dongsheng@627
|
7161 "unpredictably."
|
dongsheng@627
|
7162 msgstr ""
|
dongsheng@627
|
7163
|
dongsheng@627
|
7164 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
7165 #: ../en/ch05-collab.xml:1226
|
dongsheng@627
|
7166 msgid "Downloading source archives"
|
dongsheng@630
|
7167 msgstr "下载源代码档案包"
|
dongsheng@627
|
7168
|
dongsheng@627
|
7169 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7170 #: ../en/ch05-collab.xml:1228
|
dongsheng@627
|
7171 msgid ""
|
dongsheng@627
|
7172 "Mercurial's web interface lets users download an archive of any revision. "
|
dongsheng@627
|
7173 "This archive will contain a snapshot of the working directory as of that "
|
dongsheng@627
|
7174 "revision, but it will not contain a copy of the repository data."
|
dongsheng@627
|
7175 msgstr ""
|
dongsheng@627
|
7176
|
dongsheng@627
|
7177 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7178 #: ../en/ch05-collab.xml:1233
|
dongsheng@627
|
7179 msgid ""
|
dongsheng@627
|
7180 "By default, this feature is not enabled. To enable it, you'll need to add an "
|
dongsheng@627
|
7181 "<envar role=\"rc-item-web\">allow_archive</envar> item to the <literal role="
|
dongsheng@650
|
7182 "\"rc-web\">web</literal> section of your <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
7183 "filename>."
|
dongsheng@627
|
7184 msgstr ""
|
dongsheng@627
|
7185
|
dongsheng@627
|
7186 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
7187 #: ../en/ch05-collab.xml:1241
|
dongsheng@627
|
7188 msgid "Web configuration options"
|
dongsheng@630
|
7189 msgstr "Web 配置选项"
|
dongsheng@627
|
7190
|
dongsheng@627
|
7191 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
7192 #: ../en/ch05-collab.xml:1243
|
dongsheng@627
|
7193 msgid ""
|
dongsheng@627
|
7194 "Mercurial's web interfaces (the <command role=\"hg-cmd\">hg serve</command> "
|
dongsheng@627
|
7195 "command, and the <filename role=\"special\">hgweb.cgi</filename> and "
|
dongsheng@627
|
7196 "<filename role=\"special\">hgwebdir.cgi</filename> scripts) have a number of "
|
dongsheng@627
|
7197 "configuration options that you can set. These belong in a section named "
|
dongsheng@627
|
7198 "<literal role=\"rc-web\">web</literal>."
|
dongsheng@627
|
7199 msgstr ""
|
dongsheng@627
|
7200
|
dongsheng@627
|
7201 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7202 #: ../en/ch05-collab.xml:1251
|
dongsheng@627
|
7203 msgid ""
|
dongsheng@627
|
7204 "<envar role=\"rc-item-web\">allow_archive</envar>: Determines which (if any) "
|
dongsheng@627
|
7205 "archive download mechanisms Mercurial supports. If you enable this feature, "
|
dongsheng@627
|
7206 "users of the web interface will be able to download an archive of whatever "
|
dongsheng@627
|
7207 "revision of a repository they are viewing. To enable the archive feature, "
|
dongsheng@627
|
7208 "this item must take the form of a sequence of words drawn from the list below."
|
dongsheng@627
|
7209 msgstr ""
|
dongsheng@627
|
7210
|
dongsheng@627
|
7211 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><itemizedlist><listitem><para>
|
songdongsheng@658
|
7212 #: ../en/ch05-collab.xml:1260
|
dongsheng@627
|
7213 msgid ""
|
dongsheng@627
|
7214 "<literal>bz2</literal>: A <command>tar</command> archive, compressed using "
|
dongsheng@627
|
7215 "<literal>bzip2</literal> compression. This has the best compression ratio, "
|
dongsheng@627
|
7216 "but uses the most CPU time on the server."
|
dongsheng@627
|
7217 msgstr ""
|
dongsheng@627
|
7218
|
dongsheng@627
|
7219 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><itemizedlist><listitem><para>
|
songdongsheng@658
|
7220 #: ../en/ch05-collab.xml:1266
|
dongsheng@627
|
7221 msgid ""
|
dongsheng@627
|
7222 "<literal>gz</literal>: A <command>tar</command> archive, compressed using "
|
dongsheng@627
|
7223 "<literal>gzip</literal> compression."
|
dongsheng@627
|
7224 msgstr ""
|
dongsheng@627
|
7225
|
dongsheng@627
|
7226 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><itemizedlist><listitem><para>
|
songdongsheng@658
|
7227 #: ../en/ch05-collab.xml:1270
|
dongsheng@627
|
7228 msgid ""
|
dongsheng@627
|
7229 "<literal>zip</literal>: A <command>zip</command> archive, compressed using "
|
dongsheng@627
|
7230 "LZW compression. This format has the worst compression ratio, but is widely "
|
dongsheng@627
|
7231 "used in the Windows world."
|
dongsheng@627
|
7232 msgstr ""
|
dongsheng@627
|
7233
|
dongsheng@627
|
7234 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7235 #: ../en/ch05-collab.xml:1276
|
dongsheng@627
|
7236 msgid ""
|
dongsheng@627
|
7237 "If you provide an empty list, or don't have an <envar role=\"rc-item-web"
|
dongsheng@627
|
7238 "\">allow_archive</envar> entry at all, this feature will be disabled. Here "
|
dongsheng@627
|
7239 "is an example of how to enable all three supported formats."
|
dongsheng@627
|
7240 msgstr ""
|
dongsheng@627
|
7241
|
dongsheng@627
|
7242 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7243 #: ../en/ch05-collab.xml:1283
|
dongsheng@627
|
7244 msgid ""
|
dongsheng@627
|
7245 "<envar role=\"rc-item-web\">allowpull</envar>: Boolean. Determines whether "
|
dongsheng@627
|
7246 "the web interface allows remote users to <command role=\"hg-cmd\">hg pull</"
|
dongsheng@627
|
7247 "command> and <command role=\"hg-cmd\">hg clone</command> this repository over "
|
dongsheng@627
|
7248 "HTTP. If set to <literal>no</literal> or <literal>false</literal>, only the "
|
dongsheng@627
|
7249 "<quote>human-oriented</quote> portion of the web interface is available."
|
dongsheng@627
|
7250 msgstr ""
|
dongsheng@627
|
7251
|
dongsheng@627
|
7252 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7253 #: ../en/ch05-collab.xml:1292
|
dongsheng@627
|
7254 msgid ""
|
dongsheng@627
|
7255 "<envar role=\"rc-item-web\">contact</envar>: String. A free-form (but "
|
dongsheng@627
|
7256 "preferably brief) string identifying the person or group in charge of the "
|
dongsheng@627
|
7257 "repository. This often contains the name and email address of a person or "
|
dongsheng@627
|
7258 "mailing list. It often makes sense to place this entry in a repository's own "
|
dongsheng@627
|
7259 "<filename role=\"special\">.hg/hgrc</filename> file, but it can make sense to "
|
dongsheng@650
|
7260 "use in a global <filename role=\"special\">~/.hgrc</filename> if every "
|
dongsheng@627
|
7261 "repository has a single maintainer."
|
dongsheng@627
|
7262 msgstr ""
|
dongsheng@627
|
7263
|
dongsheng@627
|
7264 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7265 #: ../en/ch05-collab.xml:1303
|
dongsheng@627
|
7266 msgid ""
|
dongsheng@627
|
7267 "<envar role=\"rc-item-web\">maxchanges</envar>: Integer. The default maximum "
|
dongsheng@627
|
7268 "number of changesets to display in a single page of output."
|
dongsheng@627
|
7269 msgstr ""
|
dongsheng@627
|
7270
|
dongsheng@627
|
7271 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7272 #: ../en/ch05-collab.xml:1307
|
dongsheng@627
|
7273 msgid ""
|
dongsheng@627
|
7274 "<envar role=\"rc-item-web\">maxfiles</envar>: Integer. The default maximum "
|
dongsheng@627
|
7275 "number of modified files to display in a single page of output."
|
dongsheng@627
|
7276 msgstr ""
|
dongsheng@627
|
7277
|
dongsheng@627
|
7278 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7279 #: ../en/ch05-collab.xml:1311
|
dongsheng@627
|
7280 msgid ""
|
dongsheng@627
|
7281 "<envar role=\"rc-item-web\">stripes</envar>: Integer. If the web interface "
|
dongsheng@627
|
7282 "displays alternating <quote>stripes</quote> to make it easier to visually "
|
dongsheng@627
|
7283 "align rows when you are looking at a table, this number controls the number "
|
dongsheng@627
|
7284 "of rows in each stripe."
|
dongsheng@627
|
7285 msgstr ""
|
dongsheng@627
|
7286
|
dongsheng@627
|
7287 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
7288 #: ../en/ch05-collab.xml:1317
|
dongsheng@627
|
7289 msgid ""
|
dongsheng@627
|
7290 "<envar role=\"rc-item-web\">style</envar>: Controls the template Mercurial "
|
dongsheng@627
|
7291 "uses to display the web interface. Mercurial ships with two web templates, "
|
dongsheng@627
|
7292 "named <literal>default</literal> and <literal>gitweb</literal> (the latter is "
|
dongsheng@627
|
7293 "much more visually attractive). You can also specify a custom template of "
|
songdongsheng@658
|
7294 "your own; see <xref linkend=\"chap:template\"/> for details. Here, you can "
|
songdongsheng@658
|
7295 "see how to enable the <literal>gitweb</literal> style."
|
dongsheng@627
|
7296 msgstr ""
|
dongsheng@627
|
7297
|
dongsheng@627
|
7298 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
7299 #: ../en/ch05-collab.xml:1330
|
dongsheng@627
|
7300 msgid ""
|
dongsheng@627
|
7301 "<envar role=\"rc-item-web\">templates</envar>: Path. The directory in which "
|
dongsheng@627
|
7302 "to search for template files. By default, Mercurial searches in the "
|
dongsheng@627
|
7303 "directory in which it was installed."
|
dongsheng@627
|
7304 msgstr ""
|
dongsheng@627
|
7305
|
dongsheng@627
|
7306 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7307 #: ../en/ch05-collab.xml:1335
|
dongsheng@627
|
7308 msgid ""
|
dongsheng@627
|
7309 "If you are using <filename role=\"special\">hgwebdir.cgi</filename>, you can "
|
dongsheng@627
|
7310 "place a few configuration items in a <literal role=\"rc-web\">web</literal> "
|
dongsheng@627
|
7311 "section of the <filename role=\"special\">hgweb.config</filename> file "
|
dongsheng@650
|
7312 "instead of a <filename role=\"special\">~/.hgrc</filename> file, for "
|
dongsheng@627
|
7313 "convenience. These items are <envar role=\"rc-item-web\">motd</envar> and "
|
dongsheng@627
|
7314 "<envar role=\"rc-item-web\">style</envar>."
|
dongsheng@627
|
7315 msgstr ""
|
dongsheng@627
|
7316
|
dongsheng@627
|
7317 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
7318 #: ../en/ch05-collab.xml:1346
|
dongsheng@627
|
7319 msgid "Options specific to an individual repository"
|
dongsheng@630
|
7320 msgstr "针对单个版本库的选项"
|
dongsheng@627
|
7321
|
dongsheng@627
|
7322 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
7323 #: ../en/ch05-collab.xml:1348
|
dongsheng@627
|
7324 msgid ""
|
dongsheng@627
|
7325 "A few <literal role=\"rc-web\">web</literal> configuration items ought to be "
|
dongsheng@627
|
7326 "placed in a repository's local <filename role=\"special\">.hg/hgrc</"
|
dongsheng@650
|
7327 "filename>, rather than a user's or global <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
7328 "filename>."
|
dongsheng@627
|
7329 msgstr ""
|
dongsheng@627
|
7330
|
dongsheng@627
|
7331 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7332 #: ../en/ch05-collab.xml:1353
|
dongsheng@627
|
7333 msgid ""
|
dongsheng@627
|
7334 "<envar role=\"rc-item-web\">description</envar>: String. A free-form (but "
|
dongsheng@627
|
7335 "preferably brief) string that describes the contents or purpose of the "
|
dongsheng@627
|
7336 "repository."
|
dongsheng@627
|
7337 msgstr ""
|
dongsheng@627
|
7338
|
dongsheng@627
|
7339 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7340 #: ../en/ch05-collab.xml:1358
|
dongsheng@627
|
7341 msgid ""
|
dongsheng@627
|
7342 "<envar role=\"rc-item-web\">name</envar>: String. The name to use for the "
|
dongsheng@627
|
7343 "repository in the web interface. This overrides the default name, which is "
|
dongsheng@627
|
7344 "the last component of the repository's path."
|
dongsheng@627
|
7345 msgstr ""
|
dongsheng@627
|
7346
|
dongsheng@627
|
7347 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
7348 #: ../en/ch05-collab.xml:1366
|
dongsheng@627
|
7349 msgid ""
|
dongsheng@627
|
7350 "Options specific to the <command role=\"hg-cmd\">hg serve</command> command"
|
dongsheng@630
|
7351 msgstr "命令 <command role=\"hg-cmd\">hg serve</command> 的选项"
|
dongsheng@627
|
7352
|
dongsheng@627
|
7353 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
7354 #: ../en/ch05-collab.xml:1369
|
dongsheng@627
|
7355 msgid ""
|
dongsheng@627
|
7356 "Some of the items in the <literal role=\"rc-web\">web</literal> section of a "
|
dongsheng@650
|
7357 "<filename role=\"special\">~/.hgrc</filename> file are only for use with the "
|
dongsheng@650
|
7358 "<command role=\"hg-cmd\">hg serve</command> command."
|
dongsheng@627
|
7359 msgstr ""
|
dongsheng@627
|
7360
|
dongsheng@627
|
7361 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7362 #: ../en/ch05-collab.xml:1375
|
dongsheng@627
|
7363 msgid ""
|
dongsheng@627
|
7364 "<envar role=\"rc-item-web\">accesslog</envar>: Path. The name of a file into "
|
dongsheng@627
|
7365 "which to write an access log. By default, the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
7366 "serve</command> command writes this information to standard output, not to a "
|
dongsheng@627
|
7367 "file. Log entries are written in the standard <quote>combined</quote> file "
|
dongsheng@627
|
7368 "format used by almost all web servers."
|
dongsheng@627
|
7369 msgstr ""
|
dongsheng@627
|
7370
|
dongsheng@627
|
7371 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7372 #: ../en/ch05-collab.xml:1383
|
dongsheng@627
|
7373 msgid ""
|
dongsheng@627
|
7374 "<envar role=\"rc-item-web\">address</envar>: String. The local address on "
|
dongsheng@627
|
7375 "which the server should listen for incoming connections. By default, the "
|
dongsheng@627
|
7376 "server listens on all addresses."
|
dongsheng@627
|
7377 msgstr ""
|
dongsheng@627
|
7378
|
dongsheng@627
|
7379 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7380 #: ../en/ch05-collab.xml:1388
|
dongsheng@627
|
7381 msgid ""
|
dongsheng@627
|
7382 "<envar role=\"rc-item-web\">errorlog</envar>: Path. The name of a file into "
|
dongsheng@627
|
7383 "which to write an error log. By default, the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
7384 "serve</command> command writes this information to standard error, not to a "
|
dongsheng@627
|
7385 "file."
|
dongsheng@627
|
7386 msgstr ""
|
dongsheng@627
|
7387
|
dongsheng@627
|
7388 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7389 #: ../en/ch05-collab.xml:1394
|
dongsheng@627
|
7390 msgid ""
|
dongsheng@627
|
7391 "<envar role=\"rc-item-web\">ipv6</envar>: Boolean. Whether to use the IPv6 "
|
dongsheng@627
|
7392 "protocol. By default, IPv6 is not used."
|
dongsheng@627
|
7393 msgstr ""
|
dongsheng@627
|
7394
|
dongsheng@627
|
7395 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
7396 #: ../en/ch05-collab.xml:1398
|
dongsheng@627
|
7397 msgid ""
|
dongsheng@627
|
7398 "<envar role=\"rc-item-web\">port</envar>: Integer. The TCP port number on "
|
dongsheng@627
|
7399 "which the server should listen. The default port number used is 8000."
|
dongsheng@627
|
7400 msgstr ""
|
dongsheng@627
|
7401
|
dongsheng@627
|
7402 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
7403 #: ../en/ch05-collab.xml:1405
|
dongsheng@650
|
7404 msgid ""
|
dongsheng@650
|
7405 "Choosing the right <filename role=\"special\">~/.hgrc</filename> file to add "
|
dongsheng@650
|
7406 "<literal role=\"rc-web\">web</literal> items to"
|
dongsheng@627
|
7407 msgstr ""
|
dongsheng@653
|
7408 "选择正确的 <filename role=\"special\"> ~/.hgrc</filename> 文件增加到 <literal "
|
dongsheng@630
|
7409 "role=\"rc-web\">web</literal> 条目"
|
dongsheng@627
|
7410
|
dongsheng@627
|
7411 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
7412 #: ../en/ch05-collab.xml:1409
|
dongsheng@627
|
7413 msgid ""
|
dongsheng@627
|
7414 "It is important to remember that a web server like Apache or "
|
dongsheng@627
|
7415 "<literal>lighttpd</literal> will run under a user ID that is different to "
|
dongsheng@627
|
7416 "yours. CGI scripts run by your server, such as <filename role=\"special"
|
dongsheng@627
|
7417 "\">hgweb.cgi</filename>, will usually also run under that user ID."
|
dongsheng@627
|
7418 msgstr ""
|
dongsheng@627
|
7419
|
dongsheng@627
|
7420 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
7421 #: ../en/ch05-collab.xml:1416
|
dongsheng@627
|
7422 msgid ""
|
dongsheng@627
|
7423 "If you add <literal role=\"rc-web\">web</literal> items to your own personal "
|
dongsheng@650
|
7424 "<filename role=\"special\">~/.hgrc</filename> file, CGI scripts won't read "
|
dongsheng@650
|
7425 "that <filename role=\"special\">~/.hgrc</filename> file. Those settings will "
|
dongsheng@650
|
7426 "thus only affect the behaviour of the <command role=\"hg-cmd\">hg serve</"
|
dongsheng@627
|
7427 "command> command when you run it. To cause CGI scripts to see your settings, "
|
dongsheng@650
|
7428 "either create a <filename role=\"special\">~/.hgrc</filename> file in the "
|
dongsheng@627
|
7429 "home directory of the user ID that runs your web server, or add those "
|
dongsheng@650
|
7430 "settings to a system-wide <filename role=\"special\">~/.hgrc</filename> file."
|
dongsheng@627
|
7431 msgstr ""
|
dongsheng@627
|
7432
|
dongsheng@627
|
7433 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
7434 #: ../en/ch06-filenames.xml:5
|
dongsheng@627
|
7435 msgid "File names and pattern matching"
|
dongsheng@627
|
7436 msgstr "文件名称与模式匹配"
|
dongsheng@627
|
7437
|
dongsheng@627
|
7438 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
7439 #: ../en/ch06-filenames.xml:7
|
dongsheng@627
|
7440 msgid ""
|
dongsheng@627
|
7441 "Mercurial provides mechanisms that let you work with file names in a "
|
dongsheng@627
|
7442 "consistent and expressive way."
|
dongsheng@627
|
7443 msgstr ""
|
dongsheng@627
|
7444
|
dongsheng@627
|
7445 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7446 #: ../en/ch06-filenames.xml:11
|
dongsheng@627
|
7447 msgid "Simple file naming"
|
dongsheng@630
|
7448 msgstr "简单文件名称"
|
dongsheng@627
|
7449
|
dongsheng@627
|
7450 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7451 #: ../en/ch06-filenames.xml:13
|
dongsheng@627
|
7452 msgid ""
|
dongsheng@627
|
7453 "Mercurial uses a unified piece of machinery <quote>under the hood</quote> to "
|
dongsheng@627
|
7454 "handle file names. Every command behaves uniformly with respect to file "
|
dongsheng@627
|
7455 "names. The way in which commands work with file names is as follows."
|
dongsheng@627
|
7456 msgstr ""
|
dongsheng@627
|
7457
|
dongsheng@627
|
7458 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7459 #: ../en/ch06-filenames.xml:18
|
dongsheng@627
|
7460 msgid ""
|
dongsheng@627
|
7461 "If you explicitly name real files on the command line, Mercurial works with "
|
dongsheng@627
|
7462 "exactly those files, as you would expect. &interaction.filenames.files;"
|
dongsheng@627
|
7463 msgstr ""
|
dongsheng@627
|
7464
|
dongsheng@627
|
7465 #
|
dongsheng@627
|
7466 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7467 #: ../en/ch06-filenames.xml:22
|
dongsheng@627
|
7468 msgid ""
|
dongsheng@627
|
7469 "When you provide a directory name, Mercurial will interpret this as "
|
dongsheng@627
|
7470 "<quote>operate on every file in this directory and its subdirectories</"
|
dongsheng@627
|
7471 "quote>. Mercurial traverses the files and subdirectories in a directory in "
|
dongsheng@627
|
7472 "alphabetical order. When it encounters a subdirectory, it will traverse that "
|
dongsheng@627
|
7473 "subdirectory before continuing with the current directory."
|
dongsheng@627
|
7474 msgstr ""
|
dongsheng@627
|
7475
|
dongsheng@627
|
7476 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7477 #: ../en/ch06-filenames.xml:33
|
dongsheng@627
|
7478 msgid "Running commands without any file names"
|
dongsheng@630
|
7479 msgstr "不提供文件名称的执行命令"
|
dongsheng@627
|
7480
|
dongsheng@627
|
7481 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7482 #: ../en/ch06-filenames.xml:35
|
dongsheng@627
|
7483 msgid ""
|
dongsheng@627
|
7484 "Mercurial's commands that work with file names have useful default behaviours "
|
dongsheng@627
|
7485 "when you invoke them without providing any file names or patterns. What kind "
|
dongsheng@627
|
7486 "of behaviour you should expect depends on what the command does. Here are a "
|
dongsheng@627
|
7487 "few rules of thumb you can use to predict what a command is likely to do if "
|
dongsheng@627
|
7488 "you don't give it any names to work with."
|
dongsheng@627
|
7489 msgstr ""
|
dongsheng@627
|
7490
|
dongsheng@627
|
7491 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7492 #: ../en/ch06-filenames.xml:42
|
dongsheng@627
|
7493 msgid ""
|
dongsheng@627
|
7494 "Most commands will operate on the entire working directory. This is what the "
|
dongsheng@627
|
7495 "<command role=\"hg-cmd\">hg add</command> command does, for example."
|
dongsheng@627
|
7496 msgstr ""
|
dongsheng@627
|
7497
|
dongsheng@627
|
7498 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7499 #: ../en/ch06-filenames.xml:46
|
dongsheng@627
|
7500 msgid ""
|
dongsheng@627
|
7501 "If the command has effects that are difficult or impossible to reverse, it "
|
dongsheng@627
|
7502 "will force you to explicitly provide at least one name or pattern (see "
|
dongsheng@627
|
7503 "below). This protects you from accidentally deleting files by running "
|
dongsheng@627
|
7504 "<command role=\"hg-cmd\">hg remove</command> with no arguments, for example."
|
dongsheng@627
|
7505 msgstr ""
|
dongsheng@627
|
7506
|
dongsheng@627
|
7507 #
|
dongsheng@627
|
7508 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7509 #: ../en/ch06-filenames.xml:54
|
dongsheng@627
|
7510 msgid ""
|
dongsheng@627
|
7511 "It's easy to work around these default behaviours if they don't suit you. If "
|
dongsheng@627
|
7512 "a command normally operates on the whole working directory, you can invoke it "
|
dongsheng@627
|
7513 "on just the current directory and its subdirectories by giving it the name "
|
dongsheng@627
|
7514 "<quote><filename class=\"directory\">.</filename></quote>."
|
dongsheng@627
|
7515 msgstr ""
|
dongsheng@627
|
7516
|
dongsheng@627
|
7517 #
|
dongsheng@627
|
7518 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7519 #: ../en/ch06-filenames.xml:62
|
dongsheng@627
|
7520 msgid ""
|
dongsheng@627
|
7521 "Along the same lines, some commands normally print file names relative to the "
|
dongsheng@627
|
7522 "root of the repository, even if you're invoking them from a subdirectory. "
|
dongsheng@627
|
7523 "Such a command will print file names relative to your subdirectory if you "
|
dongsheng@627
|
7524 "give it explicit names. Here, we're going to run <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
7525 "status</command> from a subdirectory, and get it to operate on the entire "
|
dongsheng@627
|
7526 "working directory while printing file names relative to our subdirectory, by "
|
dongsheng@627
|
7527 "passing it the output of the <command role=\"hg-cmd\">hg root</command> "
|
dongsheng@627
|
7528 "command."
|
dongsheng@627
|
7529 msgstr ""
|
dongsheng@627
|
7530
|
dongsheng@627
|
7531 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7532 #: ../en/ch06-filenames.xml:76
|
dongsheng@627
|
7533 msgid "Telling you what's going on"
|
dongsheng@630
|
7534 msgstr "告诉你正在做什么"
|
dongsheng@627
|
7535
|
dongsheng@627
|
7536 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7537 #: ../en/ch06-filenames.xml:78
|
dongsheng@627
|
7538 msgid ""
|
dongsheng@627
|
7539 "The <command role=\"hg-cmd\">hg add</command> example in the preceding "
|
dongsheng@627
|
7540 "section illustrates something else that's helpful about Mercurial commands. "
|
dongsheng@627
|
7541 "If a command operates on a file that you didn't name explicitly on the "
|
dongsheng@627
|
7542 "command line, it will usually print the name of the file, so that you will "
|
dongsheng@627
|
7543 "not be surprised what's going on."
|
dongsheng@627
|
7544 msgstr ""
|
dongsheng@627
|
7545
|
dongsheng@627
|
7546 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7547 #: ../en/ch06-filenames.xml:85
|
dongsheng@627
|
7548 msgid ""
|
dongsheng@627
|
7549 "The principle here is of <emphasis>least surprise</emphasis>. If you've "
|
dongsheng@627
|
7550 "exactly named a file on the command line, there's no point in repeating it "
|
dongsheng@627
|
7551 "back at you. If Mercurial is acting on a file <emphasis>implicitly</"
|
dongsheng@627
|
7552 "emphasis>, because you provided no names, or a directory, or a pattern (see "
|
dongsheng@627
|
7553 "below), it's safest to tell you what it's doing."
|
dongsheng@627
|
7554 msgstr ""
|
dongsheng@627
|
7555
|
dongsheng@627
|
7556 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7557 #: ../en/ch06-filenames.xml:92
|
dongsheng@627
|
7558 msgid ""
|
dongsheng@627
|
7559 "For commands that behave this way, you can silence them using the <option "
|
dongsheng@627
|
7560 "role=\"hg-opt-global\">-q</option> option. You can also get them to print "
|
dongsheng@627
|
7561 "the name of every file, even those you've named explicitly, using the <option "
|
dongsheng@627
|
7562 "role=\"hg-opt-global\">-v</option> option."
|
dongsheng@627
|
7563 msgstr ""
|
dongsheng@627
|
7564
|
dongsheng@627
|
7565 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7566 #: ../en/ch06-filenames.xml:100
|
dongsheng@627
|
7567 msgid "Using patterns to identify files"
|
dongsheng@630
|
7568 msgstr "使用模式标识文件"
|
dongsheng@627
|
7569
|
dongsheng@627
|
7570 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7571 #: ../en/ch06-filenames.xml:102
|
dongsheng@627
|
7572 msgid ""
|
dongsheng@627
|
7573 "In addition to working with file and directory names, Mercurial lets you use "
|
dongsheng@627
|
7574 "<emphasis>patterns</emphasis> to identify files. Mercurial's pattern "
|
dongsheng@627
|
7575 "handling is expressive."
|
dongsheng@627
|
7576 msgstr ""
|
dongsheng@627
|
7577
|
dongsheng@627
|
7578 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7579 #: ../en/ch06-filenames.xml:106
|
dongsheng@627
|
7580 msgid ""
|
dongsheng@627
|
7581 "On Unix-like systems (Linux, MacOS, etc.), the job of matching file names to "
|
dongsheng@627
|
7582 "patterns normally falls to the shell. On these systems, you must explicitly "
|
dongsheng@627
|
7583 "tell Mercurial that a name is a pattern. On Windows, the shell does not "
|
dongsheng@627
|
7584 "expand patterns, so Mercurial will automatically identify names that are "
|
dongsheng@627
|
7585 "patterns, and expand them for you."
|
dongsheng@627
|
7586 msgstr ""
|
dongsheng@627
|
7587
|
dongsheng@627
|
7588 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7589 #: ../en/ch06-filenames.xml:113
|
dongsheng@627
|
7590 msgid ""
|
dongsheng@627
|
7591 "To provide a pattern in place of a regular name on the command line, the "
|
dongsheng@627
|
7592 "mechanism is simple:"
|
dongsheng@627
|
7593 msgstr ""
|
dongsheng@627
|
7594
|
dongsheng@627
|
7595 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7596 #: ../en/ch06-filenames.xml:116
|
dongsheng@627
|
7597 msgid ""
|
dongsheng@627
|
7598 "That is, a pattern is identified by a short text string that says what kind "
|
dongsheng@627
|
7599 "of pattern this is, followed by a colon, followed by the actual pattern."
|
dongsheng@627
|
7600 msgstr ""
|
dongsheng@627
|
7601
|
dongsheng@627
|
7602 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7603 #: ../en/ch06-filenames.xml:120
|
dongsheng@627
|
7604 msgid ""
|
dongsheng@627
|
7605 "Mercurial supports two kinds of pattern syntax. The most frequently used is "
|
dongsheng@627
|
7606 "called <literal>glob</literal>; this is the same kind of pattern matching "
|
dongsheng@627
|
7607 "used by the Unix shell, and should be familiar to Windows command prompt "
|
dongsheng@627
|
7608 "users, too."
|
dongsheng@627
|
7609 msgstr ""
|
dongsheng@627
|
7610
|
dongsheng@627
|
7611 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7612 #: ../en/ch06-filenames.xml:125
|
dongsheng@627
|
7613 msgid ""
|
dongsheng@627
|
7614 "When Mercurial does automatic pattern matching on Windows, it uses "
|
dongsheng@627
|
7615 "<literal>glob</literal> syntax. You can thus omit the <quote><literal>glob:</"
|
dongsheng@627
|
7616 "literal></quote> prefix on Windows, but it's safe to use it, too."
|
dongsheng@627
|
7617 msgstr ""
|
dongsheng@627
|
7618
|
dongsheng@627
|
7619 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7620 #: ../en/ch06-filenames.xml:130
|
dongsheng@627
|
7621 msgid ""
|
dongsheng@627
|
7622 "The <literal>re</literal> syntax is more powerful; it lets you specify "
|
dongsheng@627
|
7623 "patterns using regular expressions, also known as regexps."
|
dongsheng@627
|
7624 msgstr ""
|
dongsheng@627
|
7625
|
dongsheng@627
|
7626 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7627 #: ../en/ch06-filenames.xml:134
|
dongsheng@627
|
7628 msgid ""
|
dongsheng@627
|
7629 "By the way, in the examples that follow, notice that I'm careful to wrap all "
|
dongsheng@627
|
7630 "of my patterns in quote characters, so that they won't get expanded by the "
|
dongsheng@627
|
7631 "shell before Mercurial sees them."
|
dongsheng@627
|
7632 msgstr ""
|
dongsheng@627
|
7633
|
dongsheng@627
|
7634 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
7635 #: ../en/ch06-filenames.xml:140
|
dongsheng@627
|
7636 msgid "Shell-style <literal>glob</literal> patterns"
|
dongsheng@630
|
7637 msgstr "外壳风格的 <literal>glob</literal> 模式"
|
dongsheng@627
|
7638
|
dongsheng@627
|
7639 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7640 #: ../en/ch06-filenames.xml:142
|
dongsheng@627
|
7641 msgid ""
|
dongsheng@627
|
7642 "This is an overview of the kinds of patterns you can use when you're matching "
|
dongsheng@627
|
7643 "on glob patterns."
|
dongsheng@627
|
7644 msgstr ""
|
dongsheng@627
|
7645
|
dongsheng@627
|
7646 #
|
dongsheng@627
|
7647 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7648 #: ../en/ch06-filenames.xml:145
|
dongsheng@627
|
7649 msgid ""
|
dongsheng@627
|
7650 "The <quote><literal>*</literal></quote> character matches any string, within "
|
dongsheng@627
|
7651 "a single directory."
|
dongsheng@627
|
7652 msgstr ""
|
dongsheng@627
|
7653
|
dongsheng@627
|
7654 #
|
dongsheng@627
|
7655 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7656 #: ../en/ch06-filenames.xml:150
|
dongsheng@627
|
7657 msgid ""
|
dongsheng@627
|
7658 "The <quote><literal>**</literal></quote> pattern matches any string, and "
|
dongsheng@627
|
7659 "crosses directory boundaries. It's not a standard Unix glob token, but it's "
|
dongsheng@627
|
7660 "accepted by several popular Unix shells, and is very useful."
|
dongsheng@627
|
7661 msgstr ""
|
dongsheng@627
|
7662
|
dongsheng@627
|
7663 #
|
dongsheng@627
|
7664 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7665 #: ../en/ch06-filenames.xml:157
|
dongsheng@627
|
7666 msgid ""
|
dongsheng@627
|
7667 "The <quote><literal>?</literal></quote> pattern matches any single character."
|
dongsheng@627
|
7668 msgstr ""
|
dongsheng@627
|
7669
|
dongsheng@627
|
7670 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7671 #: ../en/ch06-filenames.xml:162
|
dongsheng@627
|
7672 msgid ""
|
dongsheng@627
|
7673 "The <quote><literal>[</literal></quote> character begins a "
|
dongsheng@627
|
7674 "<emphasis>character class</emphasis>. This matches any single character "
|
dongsheng@627
|
7675 "within the class. The class ends with a <quote><literal>]</literal></quote> "
|
dongsheng@627
|
7676 "character. A class may contain multiple <emphasis>range</emphasis>s of the "
|
dongsheng@627
|
7677 "form <quote><literal>a-f</literal></quote>, which is shorthand for "
|
dongsheng@627
|
7678 "<quote><literal>abcdef</literal></quote>."
|
dongsheng@627
|
7679 msgstr ""
|
dongsheng@627
|
7680
|
dongsheng@627
|
7681 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7682 #: ../en/ch06-filenames.xml:172
|
dongsheng@627
|
7683 msgid ""
|
dongsheng@627
|
7684 "If the first character after the <quote><literal>[</literal></quote> in a "
|
dongsheng@627
|
7685 "character class is a <quote><literal>!</literal></quote>, it "
|
dongsheng@627
|
7686 "<emphasis>negates</emphasis> the class, making it match any single character "
|
dongsheng@627
|
7687 "not in the class."
|
dongsheng@627
|
7688 msgstr ""
|
dongsheng@627
|
7689
|
dongsheng@627
|
7690 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7691 #: ../en/ch06-filenames.xml:178
|
dongsheng@627
|
7692 msgid ""
|
dongsheng@627
|
7693 "A <quote><literal>{</literal></quote> begins a group of subpatterns, where "
|
dongsheng@627
|
7694 "the whole group matches if any subpattern in the group matches. The "
|
dongsheng@627
|
7695 "<quote><literal>,</literal></quote> character separates subpatterns, and "
|
dongsheng@627
|
7696 "<quote><literal>}</literal></quote> ends the group."
|
dongsheng@627
|
7697 msgstr ""
|
dongsheng@627
|
7698
|
dongsheng@627
|
7699 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
7700 #: ../en/ch06-filenames.xml:187
|
dongsheng@627
|
7701 msgid "Watch out!"
|
dongsheng@630
|
7702 msgstr "千万小心!"
|
dongsheng@627
|
7703
|
dongsheng@627
|
7704 #
|
dongsheng@627
|
7705 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
7706 #: ../en/ch06-filenames.xml:189
|
dongsheng@627
|
7707 msgid ""
|
dongsheng@627
|
7708 "Don't forget that if you want to match a pattern in any directory, you should "
|
dongsheng@627
|
7709 "not be using the <quote><literal>*</literal></quote> match-any token, as this "
|
dongsheng@627
|
7710 "will only match within one directory. Instead, use the <quote><literal>**</"
|
dongsheng@627
|
7711 "literal></quote> token. This small example illustrates the difference "
|
dongsheng@627
|
7712 "between the two."
|
dongsheng@627
|
7713 msgstr ""
|
dongsheng@627
|
7714
|
dongsheng@627
|
7715 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
7716 #: ../en/ch06-filenames.xml:201
|
dongsheng@627
|
7717 msgid "Regular expression matching with <literal>re</literal> patterns"
|
dongsheng@630
|
7718 msgstr "使用 <literal>re</literal> 模式的正则表达式匹配"
|
dongsheng@627
|
7719
|
dongsheng@627
|
7720 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7721 #: ../en/ch06-filenames.xml:204
|
dongsheng@627
|
7722 msgid ""
|
dongsheng@627
|
7723 "Mercurial accepts the same regular expression syntax as the Python "
|
dongsheng@627
|
7724 "programming language (it uses Python's regexp engine internally). This is "
|
dongsheng@627
|
7725 "based on the Perl language's regexp syntax, which is the most popular dialect "
|
dongsheng@627
|
7726 "in use (it's also used in Java, for example)."
|
dongsheng@627
|
7727 msgstr ""
|
dongsheng@627
|
7728
|
dongsheng@627
|
7729 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7730 #: ../en/ch06-filenames.xml:210
|
dongsheng@627
|
7731 msgid ""
|
dongsheng@627
|
7732 "I won't discuss Mercurial's regexp dialect in any detail here, as regexps are "
|
dongsheng@627
|
7733 "not often used. Perl-style regexps are in any case already exhaustively "
|
dongsheng@627
|
7734 "documented on a multitude of web sites, and in many books. Instead, I will "
|
dongsheng@627
|
7735 "focus here on a few things you should know if you find yourself needing to "
|
dongsheng@627
|
7736 "use regexps with Mercurial."
|
dongsheng@627
|
7737 msgstr ""
|
dongsheng@627
|
7738
|
dongsheng@627
|
7739 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7740 #: ../en/ch06-filenames.xml:217
|
dongsheng@627
|
7741 msgid ""
|
dongsheng@627
|
7742 "A regexp is matched against an entire file name, relative to the root of the "
|
dongsheng@627
|
7743 "repository. In other words, even if you're already in subbdirectory "
|
dongsheng@627
|
7744 "<filename class=\"directory\">foo</filename>, if you want to match files "
|
dongsheng@627
|
7745 "under this directory, your pattern must start with <quote><literal>foo/</"
|
dongsheng@627
|
7746 "literal></quote>."
|
dongsheng@627
|
7747 msgstr ""
|
dongsheng@627
|
7748
|
dongsheng@627
|
7749 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7750 #: ../en/ch06-filenames.xml:224
|
dongsheng@627
|
7751 msgid ""
|
dongsheng@627
|
7752 "One thing to note, if you're familiar with Perl-style regexps, is that "
|
dongsheng@627
|
7753 "Mercurial's are <emphasis>rooted</emphasis>. That is, a regexp starts "
|
dongsheng@627
|
7754 "matching against the beginning of a string; it doesn't look for a match "
|
dongsheng@627
|
7755 "anywhere within the string. To match anywhere in a string, start your "
|
dongsheng@627
|
7756 "pattern with <quote><literal>.*</literal></quote>."
|
dongsheng@627
|
7757 msgstr ""
|
dongsheng@627
|
7758
|
dongsheng@627
|
7759 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7760 #: ../en/ch06-filenames.xml:234
|
dongsheng@627
|
7761 msgid "Filtering files"
|
dongsheng@630
|
7762 msgstr "过滤文件"
|
dongsheng@627
|
7763
|
dongsheng@627
|
7764 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7765 #: ../en/ch06-filenames.xml:236
|
dongsheng@627
|
7766 msgid ""
|
dongsheng@627
|
7767 "Not only does Mercurial give you a variety of ways to specify files; it lets "
|
dongsheng@627
|
7768 "you further winnow those files using <emphasis>filters</emphasis>. Commands "
|
dongsheng@627
|
7769 "that work with file names accept two filtering options."
|
dongsheng@627
|
7770 msgstr ""
|
dongsheng@627
|
7771
|
dongsheng@627
|
7772 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7773 #: ../en/ch06-filenames.xml:241
|
dongsheng@627
|
7774 msgid ""
|
dongsheng@627
|
7775 "<option role=\"hg-opt-global\">-I</option>, or <option role=\"hg-opt-global"
|
dongsheng@627
|
7776 "\">--include</option>, lets you specify a pattern that file names must match "
|
dongsheng@627
|
7777 "in order to be processed."
|
dongsheng@627
|
7778 msgstr ""
|
dongsheng@627
|
7779
|
dongsheng@627
|
7780 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7781 #: ../en/ch06-filenames.xml:246
|
dongsheng@627
|
7782 msgid ""
|
dongsheng@627
|
7783 "<option role=\"hg-opt-global\">-X</option>, or <option role=\"hg-opt-global"
|
dongsheng@627
|
7784 "\">--exclude</option>, gives you a way to <emphasis>avoid</emphasis> "
|
dongsheng@627
|
7785 "processing files, if they match this pattern."
|
dongsheng@627
|
7786 msgstr ""
|
dongsheng@627
|
7787
|
dongsheng@627
|
7788 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7789 #: ../en/ch06-filenames.xml:251
|
dongsheng@627
|
7790 msgid ""
|
dongsheng@627
|
7791 "You can provide multiple <option role=\"hg-opt-global\">-I</option> and "
|
dongsheng@627
|
7792 "<option role=\"hg-opt-global\">-X</option> options on the command line, and "
|
dongsheng@627
|
7793 "intermix them as you please. Mercurial interprets the patterns you provide "
|
dongsheng@627
|
7794 "using glob syntax by default (but you can use regexps if you need to)."
|
dongsheng@627
|
7795 msgstr ""
|
dongsheng@627
|
7796
|
dongsheng@627
|
7797 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7798 #: ../en/ch06-filenames.xml:258
|
dongsheng@627
|
7799 msgid ""
|
dongsheng@627
|
7800 "You can read a <option role=\"hg-opt-global\">-I</option> filter as "
|
dongsheng@627
|
7801 "<quote>process only the files that match this filter</quote>."
|
dongsheng@627
|
7802 msgstr ""
|
dongsheng@627
|
7803
|
dongsheng@627
|
7804 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7805 #: ../en/ch06-filenames.xml:264
|
dongsheng@627
|
7806 msgid ""
|
dongsheng@627
|
7807 "The <option role=\"hg-opt-global\">-X</option> filter is best read as "
|
dongsheng@627
|
7808 "<quote>process only the files that don't match this pattern</quote>."
|
dongsheng@627
|
7809 msgstr ""
|
dongsheng@627
|
7810
|
dongsheng@627
|
7811 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7812 #: ../en/ch06-filenames.xml:272
|
dongsheng@627
|
7813 msgid "Ignoring unwanted files and directories"
|
dongsheng@630
|
7814 msgstr "忽略不需要的文件和目录"
|
dongsheng@627
|
7815
|
dongsheng@627
|
7816 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7817 #: ../en/ch06-filenames.xml:274
|
dongsheng@627
|
7818 msgid "XXX."
|
dongsheng@627
|
7819 msgstr ""
|
dongsheng@627
|
7820
|
dongsheng@627
|
7821 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
7822 #: ../en/ch06-filenames.xml:278
|
dongsheng@627
|
7823 msgid "Case sensitivity"
|
dongsheng@630
|
7824 msgstr "大小写敏感性"
|
dongsheng@627
|
7825
|
dongsheng@627
|
7826 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7827 #: ../en/ch06-filenames.xml:280
|
dongsheng@627
|
7828 msgid ""
|
dongsheng@627
|
7829 "If you're working in a mixed development environment that contains both Linux "
|
dongsheng@627
|
7830 "(or other Unix) systems and Macs or Windows systems, you should keep in the "
|
dongsheng@627
|
7831 "back of your mind the knowledge that they treat the case (<quote>N</quote> "
|
dongsheng@627
|
7832 "versus <quote>n</quote>) of file names in incompatible ways. This is not "
|
dongsheng@627
|
7833 "very likely to affect you, and it's easy to deal with if it does, but it "
|
dongsheng@627
|
7834 "could surprise you if you don't know about it."
|
dongsheng@627
|
7835 msgstr ""
|
dongsheng@627
|
7836
|
dongsheng@627
|
7837 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7838 #: ../en/ch06-filenames.xml:289
|
dongsheng@627
|
7839 msgid ""
|
dongsheng@627
|
7840 "Operating systems and filesystems differ in the way they handle the "
|
dongsheng@627
|
7841 "<emphasis>case</emphasis> of characters in file and directory names. There "
|
dongsheng@627
|
7842 "are three common ways to handle case in names."
|
dongsheng@627
|
7843 msgstr ""
|
dongsheng@627
|
7844
|
dongsheng@627
|
7845 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7846 #: ../en/ch06-filenames.xml:294
|
dongsheng@627
|
7847 msgid ""
|
dongsheng@627
|
7848 "Completely case insensitive. Uppercase and lowercase versions of a letter "
|
dongsheng@627
|
7849 "are treated as identical, both when creating a file and during subsequent "
|
dongsheng@627
|
7850 "accesses. This is common on older DOS-based systems."
|
dongsheng@627
|
7851 msgstr ""
|
dongsheng@627
|
7852
|
dongsheng@627
|
7853 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7854 #: ../en/ch06-filenames.xml:299
|
dongsheng@627
|
7855 msgid ""
|
dongsheng@627
|
7856 "Case preserving, but insensitive. When a file or directory is created, the "
|
dongsheng@627
|
7857 "case of its name is stored, and can be retrieved and displayed by the "
|
dongsheng@627
|
7858 "operating system. When an existing file is being looked up, its case is "
|
dongsheng@627
|
7859 "ignored. This is the standard arrangement on Windows and MacOS. The names "
|
dongsheng@627
|
7860 "<filename>foo</filename> and <filename>FoO</filename> identify the same "
|
dongsheng@627
|
7861 "file. This treatment of uppercase and lowercase letters as interchangeable "
|
dongsheng@627
|
7862 "is also referred to as <emphasis>case folding</emphasis>."
|
dongsheng@627
|
7863 msgstr ""
|
dongsheng@627
|
7864
|
dongsheng@627
|
7865 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
7866 #: ../en/ch06-filenames.xml:310
|
dongsheng@627
|
7867 msgid ""
|
dongsheng@627
|
7868 "Case sensitive. The case of a name is significant at all times. The names "
|
dongsheng@627
|
7869 "<filename>foo</filename> and {FoO} identify different files. This is the way "
|
dongsheng@627
|
7870 "Linux and Unix systems normally work."
|
dongsheng@627
|
7871 msgstr ""
|
dongsheng@627
|
7872
|
dongsheng@627
|
7873 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
7874 #: ../en/ch06-filenames.xml:316
|
dongsheng@627
|
7875 msgid ""
|
dongsheng@627
|
7876 "On Unix-like systems, it is possible to have any or all of the above ways of "
|
dongsheng@627
|
7877 "handling case in action at once. For example, if you use a USB thumb drive "
|
dongsheng@627
|
7878 "formatted with a FAT32 filesystem on a Linux system, Linux will handle names "
|
dongsheng@627
|
7879 "on that filesystem in a case preserving, but insensitive, way."
|
dongsheng@627
|
7880 msgstr ""
|
dongsheng@627
|
7881
|
dongsheng@627
|
7882 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
7883 #: ../en/ch06-filenames.xml:323
|
dongsheng@627
|
7884 msgid "Safe, portable repository storage"
|
dongsheng@630
|
7885 msgstr "安全,可移植的版本库存储"
|
dongsheng@627
|
7886
|
dongsheng@627
|
7887 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7888 #: ../en/ch06-filenames.xml:325
|
dongsheng@627
|
7889 msgid ""
|
dongsheng@627
|
7890 "Mercurial's repository storage mechanism is <emphasis>case safe</emphasis>. "
|
dongsheng@627
|
7891 "It translates file names so that they can be safely stored on both case "
|
dongsheng@627
|
7892 "sensitive and case insensitive filesystems. This means that you can use "
|
dongsheng@627
|
7893 "normal file copying tools to transfer a Mercurial repository onto, for "
|
dongsheng@627
|
7894 "example, a USB thumb drive, and safely move that drive and repository back "
|
dongsheng@627
|
7895 "and forth between a Mac, a PC running Windows, and a Linux box."
|
dongsheng@627
|
7896 msgstr ""
|
dongsheng@627
|
7897
|
dongsheng@627
|
7898 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
7899 #: ../en/ch06-filenames.xml:336
|
dongsheng@627
|
7900 msgid "Detecting case conflicts"
|
dongsheng@630
|
7901 msgstr "检测大小写冲突"
|
dongsheng@627
|
7902
|
dongsheng@627
|
7903 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7904 #: ../en/ch06-filenames.xml:338
|
dongsheng@627
|
7905 msgid ""
|
dongsheng@627
|
7906 "When operating in the working directory, Mercurial honours the naming policy "
|
dongsheng@627
|
7907 "of the filesystem where the working directory is located. If the filesystem "
|
dongsheng@627
|
7908 "is case preserving, but insensitive, Mercurial will treat names that differ "
|
dongsheng@627
|
7909 "only in case as the same."
|
dongsheng@627
|
7910 msgstr ""
|
dongsheng@627
|
7911
|
dongsheng@627
|
7912 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7913 #: ../en/ch06-filenames.xml:344
|
dongsheng@627
|
7914 msgid ""
|
dongsheng@627
|
7915 "An important aspect of this approach is that it is possible to commit a "
|
dongsheng@627
|
7916 "changeset on a case sensitive (typically Linux or Unix) filesystem that will "
|
dongsheng@627
|
7917 "cause trouble for users on case insensitive (usually Windows and MacOS) "
|
dongsheng@627
|
7918 "users. If a Linux user commits changes to two files, one named "
|
dongsheng@627
|
7919 "<filename>myfile.c</filename> and the other named <filename>MyFile.C</"
|
dongsheng@627
|
7920 "filename>, they will be stored correctly in the repository. And in the "
|
dongsheng@627
|
7921 "working directories of other Linux users, they will be correctly represented "
|
dongsheng@627
|
7922 "as separate files."
|
dongsheng@627
|
7923 msgstr ""
|
dongsheng@627
|
7924
|
dongsheng@627
|
7925 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7926 #: ../en/ch06-filenames.xml:355
|
dongsheng@627
|
7927 msgid ""
|
dongsheng@627
|
7928 "If a Windows or Mac user pulls this change, they will not initially have a "
|
dongsheng@627
|
7929 "problem, because Mercurial's repository storage mechanism is case safe. "
|
dongsheng@627
|
7930 "However, once they try to <command role=\"hg-cmd\">hg update</command> the "
|
dongsheng@627
|
7931 "working directory to that changeset, or <command role=\"hg-cmd\">hg merge</"
|
dongsheng@627
|
7932 "command> with that changeset, Mercurial will spot the conflict between the "
|
dongsheng@627
|
7933 "two file names that the filesystem would treat as the same, and forbid the "
|
dongsheng@627
|
7934 "update or merge from occurring."
|
dongsheng@627
|
7935 msgstr ""
|
dongsheng@627
|
7936
|
dongsheng@627
|
7937 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
7938 #: ../en/ch06-filenames.xml:367
|
dongsheng@627
|
7939 msgid "Fixing a case conflict"
|
dongsheng@630
|
7940 msgstr "修正大小写冲突"
|
dongsheng@627
|
7941
|
dongsheng@627
|
7942 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7943 #: ../en/ch06-filenames.xml:369
|
dongsheng@627
|
7944 msgid ""
|
dongsheng@627
|
7945 "If you are using Windows or a Mac in a mixed environment where some of your "
|
dongsheng@627
|
7946 "collaborators are using Linux or Unix, and Mercurial reports a case folding "
|
dongsheng@627
|
7947 "conflict when you try to <command role=\"hg-cmd\">hg update</command> or "
|
dongsheng@627
|
7948 "<command role=\"hg-cmd\">hg merge</command>, the procedure to fix the problem "
|
dongsheng@627
|
7949 "is simple."
|
dongsheng@627
|
7950 msgstr ""
|
dongsheng@627
|
7951
|
dongsheng@627
|
7952 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7953 #: ../en/ch06-filenames.xml:376
|
dongsheng@627
|
7954 msgid ""
|
dongsheng@627
|
7955 "Just find a nearby Linux or Unix box, clone the problem repository onto it, "
|
dongsheng@627
|
7956 "and use Mercurial's <command role=\"hg-cmd\">hg rename</command> command to "
|
dongsheng@627
|
7957 "change the names of any offending files or directories so that they will no "
|
dongsheng@627
|
7958 "longer cause case folding conflicts. Commit this change, <command role=\"hg-"
|
dongsheng@627
|
7959 "cmd\">hg pull</command> or <command role=\"hg-cmd\">hg push</command> it "
|
dongsheng@627
|
7960 "across to your Windows or MacOS system, and <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
7961 "update</command> to the revision with the non-conflicting names."
|
dongsheng@627
|
7962 msgstr ""
|
dongsheng@627
|
7963
|
dongsheng@627
|
7964 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
7965 #: ../en/ch06-filenames.xml:386
|
dongsheng@627
|
7966 msgid ""
|
dongsheng@627
|
7967 "The changeset with case-conflicting names will remain in your project's "
|
dongsheng@627
|
7968 "history, and you still won't be able to <command role=\"hg-cmd\">hg update</"
|
dongsheng@627
|
7969 "command> your working directory to that changeset on a Windows or MacOS "
|
dongsheng@627
|
7970 "system, but you can continue development unimpeded."
|
dongsheng@627
|
7971 msgstr ""
|
dongsheng@627
|
7972
|
dongsheng@627
|
7973 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
dongsheng@650
|
7974 #: ../en/ch06-filenames.xml:393
|
dongsheng@627
|
7975 msgid ""
|
dongsheng@627
|
7976 "Prior to version 0.9.3, Mercurial did not use a case safe repository storage "
|
dongsheng@627
|
7977 "mechanism, and did not detect case folding conflicts. If you are using an "
|
dongsheng@627
|
7978 "older version of Mercurial on Windows or MacOS, I strongly recommend that you "
|
dongsheng@627
|
7979 "upgrade."
|
dongsheng@627
|
7980 msgstr ""
|
dongsheng@627
|
7981
|
dongsheng@627
|
7982 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
7983 #: ../en/ch07-branch.xml:5
|
dongsheng@627
|
7984 msgid "Managing releases and branchy development"
|
dongsheng@627
|
7985 msgstr "发布管理与分支开发"
|
dongsheng@627
|
7986
|
dongsheng@627
|
7987 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
7988 #: ../en/ch07-branch.xml:7
|
dongsheng@627
|
7989 msgid ""
|
dongsheng@627
|
7990 "Mercurial provides several mechanisms for you to manage a project that is "
|
dongsheng@627
|
7991 "making progress on multiple fronts at once. To understand these mechanisms, "
|
dongsheng@627
|
7992 "let's first take a brief look at a fairly normal software project structure."
|
dongsheng@627
|
7993 msgstr ""
|
dongsheng@627
|
7994
|
dongsheng@627
|
7995 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
7996 #: ../en/ch07-branch.xml:12
|
dongsheng@627
|
7997 msgid ""
|
dongsheng@627
|
7998 "Many software projects issue periodic <quote>major</quote> releases that "
|
dongsheng@627
|
7999 "contain substantial new features. In parallel, they may issue <quote>minor</"
|
dongsheng@627
|
8000 "quote> releases. These are usually identical to the major releases off which "
|
dongsheng@627
|
8001 "they're based, but with a few bugs fixed."
|
dongsheng@627
|
8002 msgstr ""
|
dongsheng@627
|
8003
|
dongsheng@627
|
8004 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
8005 #: ../en/ch07-branch.xml:18
|
dongsheng@627
|
8006 msgid ""
|
dongsheng@627
|
8007 "In this chapter, we'll start by talking about how to keep records of project "
|
dongsheng@627
|
8008 "milestones such as releases. We'll then continue on to talk about the flow "
|
dongsheng@627
|
8009 "of work between different phases of a project, and how Mercurial can help you "
|
dongsheng@627
|
8010 "to isolate and manage this work."
|
dongsheng@627
|
8011 msgstr ""
|
dongsheng@627
|
8012
|
dongsheng@627
|
8013 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8014 #: ../en/ch07-branch.xml:25
|
dongsheng@627
|
8015 msgid "Giving a persistent name to a revision"
|
dongsheng@635
|
8016 msgstr "给版本指定一个永久的名称"
|
dongsheng@627
|
8017
|
dongsheng@627
|
8018 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8019 #: ../en/ch07-branch.xml:27
|
dongsheng@627
|
8020 msgid ""
|
dongsheng@627
|
8021 "Once you decide that you'd like to call a particular revision a "
|
dongsheng@627
|
8022 "<quote>release</quote>, it's a good idea to record the identity of that "
|
dongsheng@627
|
8023 "revision. This will let you reproduce that release at a later date, for "
|
dongsheng@627
|
8024 "whatever purpose you might need at the time (reproducing a bug, porting to a "
|
dongsheng@627
|
8025 "new platform, etc). &interaction.tag.init;"
|
dongsheng@627
|
8026 msgstr ""
|
dongsheng@627
|
8027
|
dongsheng@627
|
8028 #
|
dongsheng@627
|
8029 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8030 #: ../en/ch07-branch.xml:34
|
dongsheng@627
|
8031 msgid ""
|
dongsheng@627
|
8032 "Mercurial lets you give a permanent name to any revision using the <command "
|
dongsheng@627
|
8033 "role=\"hg-cmd\">hg tag</command> command. Not surprisingly, these names are "
|
dongsheng@627
|
8034 "called <quote>tags</quote>."
|
dongsheng@627
|
8035 msgstr ""
|
dongsheng@627
|
8036
|
dongsheng@627
|
8037 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8038 #: ../en/ch07-branch.xml:40
|
dongsheng@627
|
8039 msgid ""
|
dongsheng@627
|
8040 "A tag is nothing more than a <quote>symbolic name</quote> for a revision. "
|
dongsheng@627
|
8041 "Tags exist purely for your convenience, so that you have a handy permanent "
|
dongsheng@627
|
8042 "way to refer to a revision; Mercurial doesn't interpret the tag names you use "
|
dongsheng@627
|
8043 "in any way. Neither does Mercurial place any restrictions on the name of a "
|
dongsheng@627
|
8044 "tag, beyond a few that are necessary to ensure that a tag can be parsed "
|
dongsheng@627
|
8045 "unambiguously. A tag name cannot contain any of the following characters:"
|
dongsheng@627
|
8046 msgstr ""
|
dongsheng@627
|
8047
|
dongsheng@627
|
8048 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8049 #: ../en/ch07-branch.xml:49
|
dongsheng@627
|
8050 msgid "Colon (ASCII 58, <quote><literal>:</literal></quote>)"
|
dongsheng@627
|
8051 msgstr ""
|
dongsheng@627
|
8052
|
dongsheng@627
|
8053 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8054 #: ../en/ch07-branch.xml:52
|
dongsheng@627
|
8055 msgid "Carriage return (ASCII 13, <quote><literal>\\r</literal></quote>)"
|
dongsheng@627
|
8056 msgstr ""
|
dongsheng@627
|
8057
|
dongsheng@627
|
8058 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8059 #: ../en/ch07-branch.xml:55
|
dongsheng@627
|
8060 msgid "Newline (ASCII 10, <quote><literal>\\n</literal></quote>)"
|
dongsheng@627
|
8061 msgstr ""
|
dongsheng@627
|
8062
|
dongsheng@627
|
8063 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8064 #: ../en/ch07-branch.xml:59
|
dongsheng@627
|
8065 msgid ""
|
dongsheng@627
|
8066 "You can use the <command role=\"hg-cmd\">hg tags</command> command to display "
|
dongsheng@627
|
8067 "the tags present in your repository. In the output, each tagged revision is "
|
dongsheng@627
|
8068 "identified first by its name, then by revision number, and finally by the "
|
dongsheng@627
|
8069 "unique hash of the revision."
|
dongsheng@627
|
8070 msgstr ""
|
dongsheng@627
|
8071
|
dongsheng@627
|
8072 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8073 #: ../en/ch07-branch.xml:67
|
dongsheng@627
|
8074 msgid ""
|
dongsheng@627
|
8075 "Notice that <literal>tip</literal> is listed in the output of <command role="
|
dongsheng@627
|
8076 "\"hg-cmd\">hg tags</command>. The <literal>tip</literal> tag is a special "
|
dongsheng@627
|
8077 "<quote>floating</quote> tag, which always identifies the newest revision in "
|
dongsheng@627
|
8078 "the repository."
|
dongsheng@627
|
8079 msgstr ""
|
dongsheng@627
|
8080
|
dongsheng@627
|
8081 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8082 #: ../en/ch07-branch.xml:73
|
dongsheng@627
|
8083 msgid ""
|
dongsheng@627
|
8084 "In the output of the <command role=\"hg-cmd\">hg tags</command> command, tags "
|
dongsheng@627
|
8085 "are listed in reverse order, by revision number. This usually means that "
|
dongsheng@627
|
8086 "recent tags are listed before older tags. It also means that <literal>tip</"
|
dongsheng@627
|
8087 "literal> is always going to be the first tag listed in the output of <command "
|
dongsheng@627
|
8088 "role=\"hg-cmd\">hg tags</command>."
|
dongsheng@627
|
8089 msgstr ""
|
dongsheng@627
|
8090
|
dongsheng@627
|
8091 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8092 #: ../en/ch07-branch.xml:80
|
dongsheng@627
|
8093 msgid ""
|
dongsheng@627
|
8094 "When you run <command role=\"hg-cmd\">hg log</command>, if it displays a "
|
dongsheng@627
|
8095 "revision that has tags associated with it, it will print those tags."
|
dongsheng@627
|
8096 msgstr ""
|
dongsheng@627
|
8097
|
dongsheng@627
|
8098 #
|
dongsheng@627
|
8099 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8100 #: ../en/ch07-branch.xml:86
|
dongsheng@627
|
8101 msgid ""
|
dongsheng@627
|
8102 "Any time you need to provide a revision ID to a Mercurial command, the "
|
dongsheng@627
|
8103 "command will accept a tag name in its place. Internally, Mercurial will "
|
dongsheng@627
|
8104 "translate your tag name into the corresponding revision ID, then use that."
|
dongsheng@627
|
8105 msgstr ""
|
dongsheng@627
|
8106
|
dongsheng@627
|
8107 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8108 #: ../en/ch07-branch.xml:93
|
dongsheng@627
|
8109 msgid ""
|
dongsheng@627
|
8110 "There's no limit on the number of tags you can have in a repository, or on "
|
dongsheng@627
|
8111 "the number of tags that a single revision can have. As a practical matter, "
|
dongsheng@627
|
8112 "it's not a great idea to have <quote>too many</quote> (a number which will "
|
dongsheng@627
|
8113 "vary from project to project), simply because tags are supposed to help you "
|
dongsheng@627
|
8114 "to find revisions. If you have lots of tags, the ease of using them to "
|
dongsheng@627
|
8115 "identify revisions diminishes rapidly."
|
dongsheng@627
|
8116 msgstr ""
|
dongsheng@627
|
8117
|
dongsheng@627
|
8118 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8119 #: ../en/ch07-branch.xml:101
|
dongsheng@627
|
8120 msgid ""
|
dongsheng@627
|
8121 "For example, if your project has milestones as frequent as every few days, "
|
dongsheng@627
|
8122 "it's perfectly reasonable to tag each one of those. But if you have a "
|
dongsheng@627
|
8123 "continuous build system that makes sure every revision can be built cleanly, "
|
dongsheng@627
|
8124 "you'd be introducing a lot of noise if you were to tag every clean build. "
|
dongsheng@627
|
8125 "Instead, you could tag failed builds (on the assumption that they're rare!), "
|
dongsheng@627
|
8126 "or simply not use tags to track buildability."
|
dongsheng@627
|
8127 msgstr ""
|
dongsheng@627
|
8128
|
dongsheng@627
|
8129 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8130 #: ../en/ch07-branch.xml:109
|
dongsheng@627
|
8131 msgid ""
|
dongsheng@627
|
8132 "If you want to remove a tag that you no longer want, use <command role=\"hg-"
|
dongsheng@627
|
8133 "cmd\">hg tag --remove</command>."
|
dongsheng@627
|
8134 msgstr ""
|
dongsheng@627
|
8135
|
dongsheng@627
|
8136 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8137 #: ../en/ch07-branch.xml:114
|
dongsheng@627
|
8138 msgid ""
|
dongsheng@627
|
8139 "You can also modify a tag at any time, so that it identifies a different "
|
dongsheng@627
|
8140 "revision, by simply issuing a new <command role=\"hg-cmd\">hg tag</command> "
|
dongsheng@627
|
8141 "command. You'll have to use the <option role=\"hg-opt-tag\">-f</option> "
|
dongsheng@627
|
8142 "option to tell Mercurial that you <emphasis>really</emphasis> want to update "
|
dongsheng@627
|
8143 "the tag."
|
dongsheng@627
|
8144 msgstr ""
|
dongsheng@627
|
8145
|
dongsheng@627
|
8146 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8147 #: ../en/ch07-branch.xml:123
|
dongsheng@627
|
8148 msgid ""
|
dongsheng@627
|
8149 "There will still be a permanent record of the previous identity of the tag, "
|
dongsheng@627
|
8150 "but Mercurial will no longer use it. There's thus no penalty to tagging the "
|
dongsheng@627
|
8151 "wrong revision; all you have to do is turn around and tag the correct "
|
dongsheng@627
|
8152 "revision once you discover your error."
|
dongsheng@627
|
8153 msgstr ""
|
dongsheng@627
|
8154
|
dongsheng@627
|
8155 #
|
dongsheng@627
|
8156 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8157 #: ../en/ch07-branch.xml:129
|
dongsheng@627
|
8158 msgid ""
|
dongsheng@627
|
8159 "Mercurial stores tags in a normal revision-controlled file in your "
|
dongsheng@627
|
8160 "repository. If you've created any tags, you'll find them in a file named "
|
dongsheng@627
|
8161 "<filename role=\"special\">.hgtags</filename>. When you run the <command "
|
dongsheng@627
|
8162 "role=\"hg-cmd\">hg tag</command> command, Mercurial modifies this file, then "
|
dongsheng@627
|
8163 "automatically commits the change to it. This means that every time you run "
|
dongsheng@627
|
8164 "<command role=\"hg-cmd\">hg tag</command>, you'll see a corresponding "
|
dongsheng@627
|
8165 "changeset in the output of <command role=\"hg-cmd\">hg log</command>."
|
dongsheng@627
|
8166 msgstr ""
|
dongsheng@627
|
8167
|
dongsheng@627
|
8168 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8169 #: ../en/ch07-branch.xml:142
|
dongsheng@627
|
8170 msgid "Handling tag conflicts during a merge"
|
dongsheng@635
|
8171 msgstr "在合并期间处理标签冲突"
|
dongsheng@627
|
8172
|
dongsheng@627
|
8173 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8174 #: ../en/ch07-branch.xml:144
|
dongsheng@627
|
8175 msgid ""
|
dongsheng@627
|
8176 "You won't often need to care about the <filename role=\"special\">.hgtags</"
|
dongsheng@627
|
8177 "filename> file, but it sometimes makes its presence known during a merge. "
|
dongsheng@627
|
8178 "The format of the file is simple: it consists of a series of lines. Each "
|
dongsheng@627
|
8179 "line starts with a changeset hash, followed by a space, followed by the name "
|
dongsheng@627
|
8180 "of a tag."
|
dongsheng@627
|
8181 msgstr ""
|
dongsheng@627
|
8182
|
dongsheng@627
|
8183 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8184 #: ../en/ch07-branch.xml:151
|
dongsheng@627
|
8185 msgid ""
|
dongsheng@627
|
8186 "If you're resolving a conflict in the <filename role=\"special\">.hgtags</"
|
dongsheng@627
|
8187 "filename> file during a merge, there's one twist to modifying the <filename "
|
dongsheng@627
|
8188 "role=\"special\">.hgtags</filename> file: when Mercurial is parsing the tags "
|
dongsheng@627
|
8189 "in a repository, it <emphasis>never</emphasis> reads the working copy of the "
|
dongsheng@627
|
8190 "<filename role=\"special\">.hgtags</filename> file. Instead, it reads the "
|
dongsheng@627
|
8191 "<emphasis>most recently committed</emphasis> revision of the file."
|
dongsheng@627
|
8192 msgstr ""
|
dongsheng@627
|
8193
|
dongsheng@627
|
8194 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8195 #: ../en/ch07-branch.xml:161
|
dongsheng@627
|
8196 msgid ""
|
dongsheng@627
|
8197 "An unfortunate consequence of this design is that you can't actually verify "
|
dongsheng@627
|
8198 "that your merged <filename role=\"special\">.hgtags</filename> file is "
|
dongsheng@627
|
8199 "correct until <emphasis>after</emphasis> you've committed a change. So if "
|
dongsheng@627
|
8200 "you find yourself resolving a conflict on <filename role=\"special\">.hgtags</"
|
dongsheng@627
|
8201 "filename> during a merge, be sure to run <command role=\"hg-cmd\">hg tags</"
|
dongsheng@627
|
8202 "command> after you commit. If it finds an error in the <filename role="
|
dongsheng@627
|
8203 "\"special\">.hgtags</filename> file, it will report the location of the "
|
dongsheng@627
|
8204 "error, which you can then fix and commit. You should then run <command role="
|
dongsheng@627
|
8205 "\"hg-cmd\">hg tags</command> again, just to be sure that your fix is correct."
|
dongsheng@627
|
8206 msgstr ""
|
dongsheng@627
|
8207
|
dongsheng@627
|
8208 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8209 #: ../en/ch07-branch.xml:176
|
dongsheng@627
|
8210 msgid "Tags and cloning"
|
dongsheng@635
|
8211 msgstr "标签与克隆"
|
dongsheng@627
|
8212
|
dongsheng@627
|
8213 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8214 #: ../en/ch07-branch.xml:178
|
dongsheng@627
|
8215 msgid ""
|
dongsheng@627
|
8216 "You may have noticed that the <command role=\"hg-cmd\">hg clone</command> "
|
dongsheng@627
|
8217 "command has a <option role=\"hg-opt-clone\">-r</option> option that lets you "
|
dongsheng@627
|
8218 "clone an exact copy of the repository as of a particular changeset. The new "
|
dongsheng@627
|
8219 "clone will not contain any project history that comes after the revision you "
|
dongsheng@627
|
8220 "specified. This has an interaction with tags that can surprise the unwary."
|
dongsheng@627
|
8221 msgstr ""
|
dongsheng@627
|
8222
|
dongsheng@627
|
8223 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8224 #: ../en/ch07-branch.xml:186
|
dongsheng@627
|
8225 msgid ""
|
dongsheng@627
|
8226 "Recall that a tag is stored as a revision to the <filename role=\"special\">."
|
dongsheng@627
|
8227 "hgtags</filename> file, so that when you create a tag, the changeset in which "
|
dongsheng@627
|
8228 "it's recorded necessarily refers to an older changeset. When you run "
|
dongsheng@627
|
8229 "<command role=\"hg-cmd\">hg clone -r foo</command> to clone a repository as "
|
dongsheng@627
|
8230 "of tag <literal>foo</literal>, the new clone <emphasis>will not contain the "
|
dongsheng@627
|
8231 "history that created the tag</emphasis> that you used to clone the "
|
dongsheng@627
|
8232 "repository. The result is that you'll get exactly the right subset of the "
|
dongsheng@627
|
8233 "project's history in the new repository, but <emphasis>not</emphasis> the tag "
|
dongsheng@627
|
8234 "you might have expected."
|
dongsheng@627
|
8235 msgstr ""
|
dongsheng@627
|
8236
|
dongsheng@627
|
8237 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8238 #: ../en/ch07-branch.xml:201
|
dongsheng@627
|
8239 msgid "When permanent tags are too much"
|
dongsheng@635
|
8240 msgstr "当永久标签太多的时候"
|
dongsheng@627
|
8241
|
dongsheng@627
|
8242 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8243 #: ../en/ch07-branch.xml:203
|
dongsheng@627
|
8244 msgid ""
|
dongsheng@627
|
8245 "Since Mercurial's tags are revision controlled and carried around with a "
|
dongsheng@627
|
8246 "project's history, everyone you work with will see the tags you create. But "
|
dongsheng@627
|
8247 "giving names to revisions has uses beyond simply noting that revision "
|
dongsheng@627
|
8248 "<literal>4237e45506ee</literal> is really <literal>v2.0.2</literal>. If "
|
dongsheng@627
|
8249 "you're trying to track down a subtle bug, you might want a tag to remind you "
|
dongsheng@627
|
8250 "of something like <quote>Anne saw the symptoms with this revision</quote>."
|
dongsheng@627
|
8251 msgstr ""
|
dongsheng@627
|
8252
|
dongsheng@627
|
8253 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8254 #: ../en/ch07-branch.xml:213
|
dongsheng@627
|
8255 msgid ""
|
dongsheng@627
|
8256 "For cases like this, what you might want to use are <emphasis>local</"
|
dongsheng@627
|
8257 "emphasis> tags. You can create a local tag with the <option role=\"hg-opt-tag"
|
dongsheng@627
|
8258 "\">-l</option> option to the <command role=\"hg-cmd\">hg tag</command> "
|
dongsheng@627
|
8259 "command. This will store the tag in a file called <filename role=\"special"
|
dongsheng@627
|
8260 "\">.hg/localtags</filename>. Unlike <filename role=\"special\">.hgtags</"
|
dongsheng@627
|
8261 "filename>, <filename role=\"special\">.hg/localtags</filename> is not "
|
dongsheng@627
|
8262 "revision controlled. Any tags you create using <option role=\"hg-opt-tag\">-"
|
dongsheng@627
|
8263 "l</option> remain strictly local to the repository you're currently working "
|
dongsheng@627
|
8264 "in."
|
dongsheng@627
|
8265 msgstr ""
|
dongsheng@627
|
8266
|
dongsheng@627
|
8267 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8268 #: ../en/ch07-branch.xml:228
|
songdongsheng@668
|
8269 msgid "The flow of changes&emdash;big picture vs. little"
|
dongsheng@661
|
8270 msgstr "修改流程—宏观与微观"
|
dongsheng@627
|
8271
|
dongsheng@627
|
8272 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8273 #: ../en/ch07-branch.xml:230
|
dongsheng@627
|
8274 msgid ""
|
dongsheng@627
|
8275 "To return to the outline I sketched at the beginning of a chapter, let's "
|
dongsheng@627
|
8276 "think about a project that has multiple concurrent pieces of work under "
|
dongsheng@627
|
8277 "development at once."
|
dongsheng@627
|
8278 msgstr ""
|
dongsheng@627
|
8279
|
dongsheng@627
|
8280 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8281 #: ../en/ch07-branch.xml:234
|
dongsheng@627
|
8282 msgid ""
|
dongsheng@627
|
8283 "There might be a push for a new <quote>main</quote> release; a new minor "
|
dongsheng@627
|
8284 "bugfix release to the last main release; and an unexpected <quote>hot fix</"
|
dongsheng@627
|
8285 "quote> to an old release that is now in maintenance mode."
|
dongsheng@627
|
8286 msgstr ""
|
dongsheng@627
|
8287
|
dongsheng@627
|
8288 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8289 #: ../en/ch07-branch.xml:239
|
dongsheng@627
|
8290 msgid ""
|
dongsheng@627
|
8291 "The usual way people refer to these different concurrent directions of "
|
dongsheng@627
|
8292 "development is as <quote>branches</quote>. However, we've already seen "
|
dongsheng@627
|
8293 "numerous times that Mercurial treats <emphasis>all of history</emphasis> as a "
|
dongsheng@627
|
8294 "series of branches and merges. Really, what we have here is two ideas that "
|
dongsheng@627
|
8295 "are peripherally related, but which happen to share a name."
|
dongsheng@627
|
8296 msgstr ""
|
dongsheng@627
|
8297
|
dongsheng@627
|
8298 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8299 #: ../en/ch07-branch.xml:246
|
dongsheng@627
|
8300 msgid ""
|
dongsheng@627
|
8301 "<quote>Big picture</quote> branches represent the sweep of a project's "
|
dongsheng@627
|
8302 "evolution; people give them names, and talk about them in conversation."
|
dongsheng@627
|
8303 msgstr ""
|
dongsheng@627
|
8304
|
dongsheng@627
|
8305 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8306 #: ../en/ch07-branch.xml:250
|
dongsheng@627
|
8307 msgid ""
|
dongsheng@627
|
8308 "<quote>Little picture</quote> branches are artefacts of the day-to-day "
|
dongsheng@627
|
8309 "activity of developing and merging changes. They expose the narrative of how "
|
dongsheng@627
|
8310 "the code was developed."
|
dongsheng@627
|
8311 msgstr ""
|
dongsheng@627
|
8312
|
dongsheng@627
|
8313 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8314 #: ../en/ch07-branch.xml:258
|
dongsheng@627
|
8315 msgid "Managing big-picture branches in repositories"
|
dongsheng@635
|
8316 msgstr "在版本库中管理分支"
|
dongsheng@627
|
8317
|
dongsheng@627
|
8318 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8319 #: ../en/ch07-branch.xml:260
|
dongsheng@627
|
8320 msgid ""
|
dongsheng@627
|
8321 "The easiest way to isolate a <quote>big picture</quote> branch in Mercurial "
|
songdongsheng@668
|
8322 "is in a dedicated repository. If you have an existing shared "
|
songdongsheng@668
|
8323 "repository&emdash;let's call it <literal>myproject</literal>&emdash;that "
|
songdongsheng@668
|
8324 "reaches a <quote>1.0</quote> milestone, you can start to prepare for future "
|
songdongsheng@668
|
8325 "maintenance releases on top of version 1.0 by tagging the revision from which "
|
songdongsheng@668
|
8326 "you prepared the 1.0 release."
|
dongsheng@627
|
8327 msgstr ""
|
dongsheng@627
|
8328
|
dongsheng@627
|
8329 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8330 #: ../en/ch07-branch.xml:270
|
dongsheng@627
|
8331 msgid ""
|
dongsheng@627
|
8332 "You can then clone a new shared <literal>myproject-1.0.1</literal> repository "
|
dongsheng@627
|
8333 "as of that tag."
|
dongsheng@627
|
8334 msgstr ""
|
dongsheng@627
|
8335
|
dongsheng@627
|
8336 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8337 #: ../en/ch07-branch.xml:276
|
dongsheng@627
|
8338 msgid ""
|
dongsheng@627
|
8339 "Afterwards, if someone needs to work on a bug fix that ought to go into an "
|
dongsheng@627
|
8340 "upcoming 1.0.1 minor release, they clone the <literal>myproject-1.0.1</"
|
dongsheng@627
|
8341 "literal> repository, make their changes, and push them back."
|
dongsheng@627
|
8342 msgstr ""
|
dongsheng@627
|
8343
|
dongsheng@627
|
8344 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8345 #: ../en/ch07-branch.xml:283
|
dongsheng@627
|
8346 msgid ""
|
dongsheng@627
|
8347 "Meanwhile, development for the next major release can continue, isolated and "
|
dongsheng@627
|
8348 "unabated, in the <literal>myproject</literal> repository."
|
dongsheng@627
|
8349 msgstr ""
|
dongsheng@627
|
8350
|
dongsheng@627
|
8351 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8352 #: ../en/ch07-branch.xml:291
|
dongsheng@627
|
8353 msgid "Don't repeat yourself: merging across branches"
|
dongsheng@635
|
8354 msgstr "不要重复劳动:在分支间合并"
|
dongsheng@627
|
8355
|
dongsheng@627
|
8356 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8357 #: ../en/ch07-branch.xml:293
|
dongsheng@627
|
8358 msgid ""
|
dongsheng@627
|
8359 "In many cases, if you have a bug to fix on a maintenance branch, the chances "
|
dongsheng@627
|
8360 "are good that the bug exists on your project's main branch (and possibly "
|
dongsheng@627
|
8361 "other maintenance branches, too). It's a rare developer who wants to fix the "
|
dongsheng@627
|
8362 "same bug multiple times, so let's look at a few ways that Mercurial can help "
|
dongsheng@627
|
8363 "you to manage these bugfixes without duplicating your work."
|
dongsheng@627
|
8364 msgstr ""
|
dongsheng@627
|
8365
|
dongsheng@627
|
8366 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8367 #: ../en/ch07-branch.xml:301
|
dongsheng@627
|
8368 msgid ""
|
dongsheng@627
|
8369 "In the simplest instance, all you need to do is pull changes from your "
|
dongsheng@627
|
8370 "maintenance branch into your local clone of the target branch."
|
dongsheng@627
|
8371 msgstr ""
|
dongsheng@627
|
8372
|
dongsheng@627
|
8373 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8374 #: ../en/ch07-branch.xml:307
|
dongsheng@627
|
8375 msgid ""
|
dongsheng@627
|
8376 "You'll then need to merge the heads of the two branches, and push back to the "
|
dongsheng@627
|
8377 "main branch."
|
dongsheng@627
|
8378 msgstr ""
|
dongsheng@627
|
8379
|
dongsheng@627
|
8380 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8381 #: ../en/ch07-branch.xml:314
|
dongsheng@627
|
8382 msgid "Naming branches within one repository"
|
dongsheng@635
|
8383 msgstr "版本库中的命名分支"
|
dongsheng@627
|
8384
|
dongsheng@627
|
8385 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8386 #: ../en/ch07-branch.xml:316
|
dongsheng@627
|
8387 msgid ""
|
dongsheng@627
|
8388 "In most instances, isolating branches in repositories is the right approach. "
|
dongsheng@627
|
8389 "Its simplicity makes it easy to understand; and so it's hard to make "
|
dongsheng@627
|
8390 "mistakes. There's a one-to-one relationship between branches you're working "
|
dongsheng@627
|
8391 "in and directories on your system. This lets you use normal (non-Mercurial-"
|
dongsheng@627
|
8392 "aware) tools to work on files within a branch/repository."
|
dongsheng@627
|
8393 msgstr ""
|
dongsheng@627
|
8394
|
dongsheng@627
|
8395 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8396 #: ../en/ch07-branch.xml:323
|
dongsheng@627
|
8397 msgid ""
|
dongsheng@627
|
8398 "If you're more in the <quote>power user</quote> category (<emphasis>and</"
|
dongsheng@627
|
8399 "emphasis> your collaborators are too), there is an alternative way of "
|
dongsheng@627
|
8400 "handling branches that you can consider. I've already mentioned the human-"
|
dongsheng@627
|
8401 "level distinction between <quote>small picture</quote> and <quote>big "
|
dongsheng@627
|
8402 "picture</quote> branches. While Mercurial works with multiple <quote>small "
|
dongsheng@627
|
8403 "picture</quote> branches in a repository all the time (for example after you "
|
dongsheng@627
|
8404 "pull changes in, but before you merge them), it can <emphasis>also</emphasis> "
|
dongsheng@627
|
8405 "work with multiple <quote>big picture</quote> branches."
|
dongsheng@627
|
8406 msgstr ""
|
dongsheng@627
|
8407
|
dongsheng@627
|
8408 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8409 #: ../en/ch07-branch.xml:334
|
dongsheng@627
|
8410 msgid ""
|
dongsheng@627
|
8411 "The key to working this way is that Mercurial lets you assign a persistent "
|
dongsheng@627
|
8412 "<emphasis>name</emphasis> to a branch. There always exists a branch named "
|
dongsheng@627
|
8413 "<literal>default</literal>. Even before you start naming branches yourself, "
|
dongsheng@627
|
8414 "you can find traces of the <literal>default</literal> branch if you look for "
|
dongsheng@627
|
8415 "them."
|
dongsheng@627
|
8416 msgstr ""
|
dongsheng@627
|
8417
|
dongsheng@627
|
8418 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8419 #: ../en/ch07-branch.xml:341
|
dongsheng@627
|
8420 msgid ""
|
dongsheng@627
|
8421 "As an example, when you run the <command role=\"hg-cmd\">hg commit</command> "
|
dongsheng@627
|
8422 "command, and it pops up your editor so that you can enter a commit message, "
|
dongsheng@627
|
8423 "look for a line that contains the text <quote><literal>HG: branch default</"
|
dongsheng@627
|
8424 "literal></quote> at the bottom. This is telling you that your commit will "
|
dongsheng@627
|
8425 "occur on the branch named <literal>default</literal>."
|
dongsheng@627
|
8426 msgstr ""
|
dongsheng@627
|
8427
|
dongsheng@627
|
8428 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8429 #: ../en/ch07-branch.xml:348
|
dongsheng@627
|
8430 msgid ""
|
dongsheng@627
|
8431 "To start working with named branches, use the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
8432 "branches</command> command. This command lists the named branches already "
|
dongsheng@627
|
8433 "present in your repository, telling you which changeset is the tip of each."
|
dongsheng@627
|
8434 msgstr ""
|
dongsheng@627
|
8435
|
dongsheng@627
|
8436 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8437 #: ../en/ch07-branch.xml:355
|
dongsheng@627
|
8438 msgid ""
|
dongsheng@627
|
8439 "Since you haven't created any named branches yet, the only one that exists is "
|
dongsheng@627
|
8440 "<literal>default</literal>."
|
dongsheng@627
|
8441 msgstr ""
|
dongsheng@627
|
8442
|
dongsheng@627
|
8443 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8444 #: ../en/ch07-branch.xml:358
|
dongsheng@627
|
8445 msgid ""
|
dongsheng@627
|
8446 "To find out what the <quote>current</quote> branch is, run the <command role="
|
dongsheng@627
|
8447 "\"hg-cmd\">hg branch</command> command, giving it no arguments. This tells "
|
dongsheng@627
|
8448 "you what branch the parent of the current changeset is on."
|
dongsheng@627
|
8449 msgstr ""
|
dongsheng@627
|
8450
|
dongsheng@627
|
8451 #
|
dongsheng@627
|
8452 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8453 #: ../en/ch07-branch.xml:365
|
dongsheng@627
|
8454 msgid ""
|
dongsheng@627
|
8455 "To create a new branch, run the <command role=\"hg-cmd\">hg branch</command> "
|
dongsheng@627
|
8456 "command again. This time, give it one argument: the name of the branch you "
|
dongsheng@627
|
8457 "want to create."
|
dongsheng@627
|
8458 msgstr ""
|
dongsheng@627
|
8459
|
dongsheng@627
|
8460 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8461 #: ../en/ch07-branch.xml:371
|
dongsheng@627
|
8462 msgid ""
|
dongsheng@627
|
8463 "After you've created a branch, you might wonder what effect the <command role="
|
dongsheng@627
|
8464 "\"hg-cmd\">hg branch</command> command has had. What do the <command role="
|
dongsheng@627
|
8465 "\"hg-cmd\">hg status</command> and <command role=\"hg-cmd\">hg tip</command> "
|
dongsheng@627
|
8466 "commands report?"
|
dongsheng@627
|
8467 msgstr ""
|
dongsheng@627
|
8468
|
dongsheng@627
|
8469 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8470 #: ../en/ch07-branch.xml:378
|
dongsheng@627
|
8471 msgid ""
|
dongsheng@627
|
8472 "Nothing has changed in the working directory, and there's been no new history "
|
dongsheng@627
|
8473 "created. As this suggests, running the <command role=\"hg-cmd\">hg branch</"
|
dongsheng@627
|
8474 "command> command has no permanent effect; it only tells Mercurial what branch "
|
dongsheng@627
|
8475 "name to use the <emphasis>next</emphasis> time you commit a changeset."
|
dongsheng@627
|
8476 msgstr ""
|
dongsheng@627
|
8477
|
dongsheng@627
|
8478 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8479 #: ../en/ch07-branch.xml:385
|
dongsheng@627
|
8480 msgid ""
|
dongsheng@627
|
8481 "When you commit a change, Mercurial records the name of the branch on which "
|
dongsheng@627
|
8482 "you committed. Once you've switched from the <literal>default</literal> "
|
dongsheng@627
|
8483 "branch to another and committed, you'll see the name of the new branch show "
|
dongsheng@627
|
8484 "up in the output of <command role=\"hg-cmd\">hg log</command>, <command role="
|
dongsheng@627
|
8485 "\"hg-cmd\">hg tip</command>, and other commands that display the same kind of "
|
dongsheng@627
|
8486 "output."
|
dongsheng@627
|
8487 msgstr ""
|
dongsheng@627
|
8488
|
dongsheng@627
|
8489 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8490 #: ../en/ch07-branch.xml:395
|
dongsheng@627
|
8491 msgid ""
|
dongsheng@627
|
8492 "The <command role=\"hg-cmd\">hg log</command>-like commands will print the "
|
dongsheng@627
|
8493 "branch name of every changeset that's not on the <literal>default</literal> "
|
dongsheng@627
|
8494 "branch. As a result, if you never use named branches, you'll never see this "
|
dongsheng@627
|
8495 "information."
|
dongsheng@627
|
8496 msgstr ""
|
dongsheng@627
|
8497
|
dongsheng@627
|
8498 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8499 #: ../en/ch07-branch.xml:400
|
dongsheng@627
|
8500 msgid ""
|
dongsheng@627
|
8501 "Once you've named a branch and committed a change with that name, every "
|
dongsheng@627
|
8502 "subsequent commit that descends from that change will inherit the same branch "
|
dongsheng@627
|
8503 "name. You can change the name of a branch at any time, using the <command "
|
dongsheng@627
|
8504 "role=\"hg-cmd\">hg branch</command> command."
|
dongsheng@627
|
8505 msgstr ""
|
dongsheng@627
|
8506
|
dongsheng@627
|
8507 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8508 #: ../en/ch07-branch.xml:408
|
dongsheng@627
|
8509 msgid ""
|
dongsheng@627
|
8510 "In practice, this is something you won't do very often, as branch names tend "
|
dongsheng@627
|
8511 "to have fairly long lifetimes. (This isn't a rule, just an observation.)"
|
dongsheng@627
|
8512 msgstr ""
|
dongsheng@627
|
8513
|
dongsheng@627
|
8514 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8515 #: ../en/ch07-branch.xml:414
|
dongsheng@627
|
8516 msgid "Dealing with multiple named branches in a repository"
|
dongsheng@635
|
8517 msgstr "在版本库中处理多个命名分支"
|
dongsheng@627
|
8518
|
dongsheng@627
|
8519 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8520 #: ../en/ch07-branch.xml:417
|
dongsheng@627
|
8521 msgid ""
|
dongsheng@627
|
8522 "If you have more than one named branch in a repository, Mercurial will "
|
dongsheng@627
|
8523 "remember the branch that your working directory on when you start a command "
|
dongsheng@627
|
8524 "like <command role=\"hg-cmd\">hg update</command> or <command role=\"hg-cmd"
|
dongsheng@627
|
8525 "\">hg pull -u</command>. It will update the working directory to the tip of "
|
dongsheng@627
|
8526 "this branch, no matter what the <quote>repo-wide</quote> tip is. To update "
|
dongsheng@627
|
8527 "to a revision that's on a different named branch, you may need to use the "
|
dongsheng@627
|
8528 "<option role=\"hg-opt-update\">-C</option> option to <command role=\"hg-cmd"
|
dongsheng@627
|
8529 "\">hg update</command>."
|
dongsheng@627
|
8530 msgstr ""
|
dongsheng@627
|
8531
|
dongsheng@627
|
8532 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8533 #: ../en/ch07-branch.xml:427
|
dongsheng@627
|
8534 msgid ""
|
dongsheng@627
|
8535 "This behaviour is a little subtle, so let's see it in action. First, let's "
|
dongsheng@627
|
8536 "remind ourselves what branch we're currently on, and what branches are in our "
|
dongsheng@627
|
8537 "repository."
|
dongsheng@627
|
8538 msgstr ""
|
dongsheng@627
|
8539
|
dongsheng@627
|
8540 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8541 #: ../en/ch07-branch.xml:433
|
dongsheng@627
|
8542 msgid ""
|
dongsheng@627
|
8543 "We're on the <literal>bar</literal> branch, but there also exists an older "
|
dongsheng@627
|
8544 "<command role=\"hg-cmd\">hg foo</command> branch."
|
dongsheng@627
|
8545 msgstr ""
|
dongsheng@627
|
8546
|
dongsheng@627
|
8547 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8548 #: ../en/ch07-branch.xml:437
|
dongsheng@627
|
8549 msgid ""
|
dongsheng@627
|
8550 "We can <command role=\"hg-cmd\">hg update</command> back and forth between "
|
dongsheng@627
|
8551 "the tips of the <literal>foo</literal> and <literal>bar</literal> branches "
|
dongsheng@627
|
8552 "without needing to use the <option role=\"hg-opt-update\">-C</option> option, "
|
dongsheng@627
|
8553 "because this only involves going backwards and forwards linearly through our "
|
dongsheng@627
|
8554 "change history."
|
dongsheng@627
|
8555 msgstr ""
|
dongsheng@627
|
8556
|
dongsheng@627
|
8557 #
|
dongsheng@627
|
8558 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8559 #: ../en/ch07-branch.xml:446
|
dongsheng@627
|
8560 msgid ""
|
dongsheng@627
|
8561 "If we go back to the <literal>foo</literal> branch and then run <command role="
|
dongsheng@627
|
8562 "\"hg-cmd\">hg update</command>, it will keep us on <literal>foo</literal>, "
|
dongsheng@627
|
8563 "not move us to the tip of <literal>bar</literal>."
|
dongsheng@627
|
8564 msgstr ""
|
dongsheng@627
|
8565
|
dongsheng@627
|
8566 #
|
dongsheng@627
|
8567 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8568 #: ../en/ch07-branch.xml:453
|
dongsheng@627
|
8569 msgid ""
|
dongsheng@627
|
8570 "Committing a new change on the <literal>foo</literal> branch introduces a new "
|
dongsheng@627
|
8571 "head."
|
dongsheng@627
|
8572 msgstr ""
|
dongsheng@627
|
8573
|
dongsheng@627
|
8574 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8575 #: ../en/ch07-branch.xml:460
|
dongsheng@627
|
8576 msgid "Branch names and merging"
|
dongsheng@635
|
8577 msgstr "分支名称与合并"
|
dongsheng@627
|
8578
|
dongsheng@627
|
8579 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8580 #: ../en/ch07-branch.xml:462
|
dongsheng@627
|
8581 msgid ""
|
dongsheng@627
|
8582 "As you've probably noticed, merges in Mercurial are not symmetrical. Let's "
|
dongsheng@627
|
8583 "say our repository has two heads, 17 and 23. If I <command role=\"hg-cmd"
|
dongsheng@627
|
8584 "\">hg update</command> to 17 and then <command role=\"hg-cmd\">hg merge</"
|
dongsheng@627
|
8585 "command> with 23, Mercurial records 17 as the first parent of the merge, and "
|
dongsheng@627
|
8586 "23 as the second. Whereas if I <command role=\"hg-cmd\">hg update</command> "
|
dongsheng@627
|
8587 "to 23 and then <command role=\"hg-cmd\">hg merge</command> with 17, it "
|
dongsheng@627
|
8588 "records 23 as the first parent, and 17 as the second."
|
dongsheng@627
|
8589 msgstr ""
|
dongsheng@627
|
8590
|
dongsheng@627
|
8591 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8592 #: ../en/ch07-branch.xml:472
|
dongsheng@627
|
8593 msgid ""
|
dongsheng@627
|
8594 "This affects Mercurial's choice of branch name when you merge. After a "
|
dongsheng@627
|
8595 "merge, Mercurial will retain the branch name of the first parent when you "
|
dongsheng@627
|
8596 "commit the result of the merge. If your first parent's branch name is "
|
dongsheng@627
|
8597 "<literal>foo</literal>, and you merge with <literal>bar</literal>, the branch "
|
dongsheng@627
|
8598 "name will still be <literal>foo</literal> after you merge."
|
dongsheng@627
|
8599 msgstr ""
|
dongsheng@627
|
8600
|
dongsheng@627
|
8601 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8602 #: ../en/ch07-branch.xml:479
|
dongsheng@627
|
8603 msgid ""
|
dongsheng@627
|
8604 "It's not unusual for a repository to contain multiple heads, each with the "
|
dongsheng@627
|
8605 "same branch name. Let's say I'm working on the <literal>foo</literal> "
|
dongsheng@627
|
8606 "branch, and so are you. We commit different changes; I pull your changes; I "
|
dongsheng@627
|
8607 "now have two heads, each claiming to be on the <literal>foo</literal> "
|
dongsheng@627
|
8608 "branch. The result of a merge will be a single head on the <literal>foo</"
|
dongsheng@627
|
8609 "literal> branch, as you might hope."
|
dongsheng@627
|
8610 msgstr ""
|
dongsheng@627
|
8611
|
dongsheng@627
|
8612 #
|
dongsheng@627
|
8613 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8614 #: ../en/ch07-branch.xml:487
|
dongsheng@627
|
8615 msgid ""
|
dongsheng@627
|
8616 "But if I'm working on the <literal>bar</literal> branch, and I merge work "
|
dongsheng@627
|
8617 "from the <literal>foo</literal> branch, the result will remain on the "
|
dongsheng@627
|
8618 "<literal>bar</literal> branch."
|
dongsheng@627
|
8619 msgstr ""
|
dongsheng@627
|
8620
|
dongsheng@627
|
8621 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8622 #: ../en/ch07-branch.xml:493
|
dongsheng@627
|
8623 msgid ""
|
dongsheng@627
|
8624 "To give a more concrete example, if I'm working on the <literal>bleeding-"
|
dongsheng@627
|
8625 "edge</literal> branch, and I want to bring in the latest fixes from the "
|
dongsheng@627
|
8626 "<literal>stable</literal> branch, Mercurial will choose the <quote>right</"
|
dongsheng@627
|
8627 "quote> (<literal>bleeding-edge</literal>) branch name when I pull and merge "
|
dongsheng@627
|
8628 "from <literal>stable</literal>."
|
dongsheng@627
|
8629 msgstr ""
|
dongsheng@627
|
8630
|
dongsheng@627
|
8631 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8632 #: ../en/ch07-branch.xml:502
|
dongsheng@627
|
8633 msgid "Branch naming is generally useful"
|
dongsheng@635
|
8634 msgstr "分支名称通常都很有用"
|
dongsheng@627
|
8635
|
dongsheng@627
|
8636 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8637 #: ../en/ch07-branch.xml:504
|
dongsheng@627
|
8638 msgid ""
|
dongsheng@627
|
8639 "You shouldn't think of named branches as applicable only to situations where "
|
dongsheng@627
|
8640 "you have multiple long-lived branches cohabiting in a single repository. "
|
dongsheng@627
|
8641 "They're very useful even in the one-branch-per-repository case."
|
dongsheng@627
|
8642 msgstr ""
|
dongsheng@627
|
8643
|
dongsheng@627
|
8644 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8645 #: ../en/ch07-branch.xml:509
|
dongsheng@627
|
8646 msgid ""
|
dongsheng@627
|
8647 "In the simplest case, giving a name to each branch gives you a permanent "
|
dongsheng@627
|
8648 "record of which branch a changeset originated on. This gives you more "
|
dongsheng@627
|
8649 "context when you're trying to follow the history of a long-lived branchy "
|
dongsheng@627
|
8650 "project."
|
dongsheng@627
|
8651 msgstr ""
|
dongsheng@627
|
8652
|
dongsheng@627
|
8653 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8654 #: ../en/ch07-branch.xml:514
|
dongsheng@627
|
8655 msgid ""
|
dongsheng@627
|
8656 "If you're working with shared repositories, you can set up a <literal role="
|
dongsheng@627
|
8657 "\"hook\">pretxnchangegroup</literal> hook on each that will block incoming "
|
dongsheng@627
|
8658 "changes that have the <quote>wrong</quote> branch name. This provides a "
|
dongsheng@627
|
8659 "simple, but effective, defence against people accidentally pushing changes "
|
dongsheng@627
|
8660 "from a <quote>bleeding edge</quote> branch to a <quote>stable</quote> "
|
dongsheng@627
|
8661 "branch. Such a hook might look like this inside the shared repo's <filename "
|
dongsheng@627
|
8662 "role=\"special\"> /.hgrc</filename>."
|
dongsheng@627
|
8663 msgstr ""
|
dongsheng@627
|
8664
|
dongsheng@627
|
8665 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
8666 #: ../en/ch08-undo.xml:5
|
dongsheng@627
|
8667 msgid "Finding and fixing mistakes"
|
dongsheng@627
|
8668 msgstr "查找和修改错误"
|
dongsheng@627
|
8669
|
dongsheng@627
|
8670 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
8671 #: ../en/ch08-undo.xml:7
|
dongsheng@627
|
8672 msgid ""
|
dongsheng@627
|
8673 "To err might be human, but to really handle the consequences well takes a top-"
|
dongsheng@627
|
8674 "notch revision control system. In this chapter, we'll discuss some of the "
|
dongsheng@627
|
8675 "techniques you can use when you find that a problem has crept into your "
|
dongsheng@627
|
8676 "project. Mercurial has some highly capable features that will help you to "
|
dongsheng@627
|
8677 "isolate the sources of problems, and to handle them appropriately."
|
dongsheng@627
|
8678 msgstr ""
|
dongsheng@627
|
8679
|
dongsheng@627
|
8680 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8681 #: ../en/ch08-undo.xml:15
|
dongsheng@627
|
8682 msgid "Erasing local history"
|
dongsheng@635
|
8683 msgstr "销毁本地历史"
|
dongsheng@627
|
8684
|
dongsheng@627
|
8685 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8686 #: ../en/ch08-undo.xml:18
|
dongsheng@627
|
8687 msgid "The accidental commit"
|
dongsheng@635
|
8688 msgstr "意外的提交"
|
dongsheng@627
|
8689
|
dongsheng@627
|
8690 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8691 #: ../en/ch08-undo.xml:20
|
dongsheng@627
|
8692 msgid ""
|
dongsheng@627
|
8693 "I have the occasional but persistent problem of typing rather more quickly "
|
dongsheng@627
|
8694 "than I can think, which sometimes results in me committing a changeset that "
|
dongsheng@627
|
8695 "is either incomplete or plain wrong. In my case, the usual kind of "
|
dongsheng@627
|
8696 "incomplete changeset is one in which I've created a new source file, but "
|
dongsheng@627
|
8697 "forgotten to <command role=\"hg-cmd\">hg add</command> it. A <quote>plain "
|
dongsheng@627
|
8698 "wrong</quote> changeset is not as common, but no less annoying."
|
dongsheng@627
|
8699 msgstr ""
|
dongsheng@627
|
8700
|
dongsheng@627
|
8701 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8702 #: ../en/ch08-undo.xml:31
|
dongsheng@627
|
8703 msgid "Rolling back a transaction"
|
dongsheng@635
|
8704 msgstr "回滚一个事务"
|
dongsheng@627
|
8705
|
dongsheng@627
|
8706 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8707 #: ../en/ch08-undo.xml:33
|
dongsheng@627
|
8708 msgid ""
|
songdongsheng@658
|
8709 "In <xref linkend=\"sec:concepts:txn\"/>, I mentioned that Mercurial treats "
|
songdongsheng@658
|
8710 "each modification of a repository as a <emphasis>transaction</emphasis>. "
|
songdongsheng@658
|
8711 "Every time you commit a changeset or pull changes from another repository, "
|
songdongsheng@658
|
8712 "Mercurial remembers what you did. You can undo, or <emphasis>roll back</"
|
songdongsheng@658
|
8713 "emphasis>, exactly one of these actions using the <command role=\"hg-cmd\">hg "
|
songdongsheng@658
|
8714 "rollback</command> command. (See <xref linkend=\"sec:undo:rollback-after-push"
|
songdongsheng@658
|
8715 "\"/> for an important caveat about the use of this command.)"
|
dongsheng@627
|
8716 msgstr ""
|
dongsheng@627
|
8717
|
dongsheng@627
|
8718 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8719 #: ../en/ch08-undo.xml:43
|
dongsheng@627
|
8720 msgid ""
|
dongsheng@627
|
8721 "Here's a mistake that I often find myself making: committing a change in "
|
dongsheng@627
|
8722 "which I've created a new file, but forgotten to <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
8723 "add</command> it."
|
dongsheng@627
|
8724 msgstr ""
|
dongsheng@627
|
8725
|
dongsheng@627
|
8726 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8727 #: ../en/ch08-undo.xml:50
|
dongsheng@627
|
8728 msgid ""
|
dongsheng@627
|
8729 "Looking at the output of <command role=\"hg-cmd\">hg status</command> after "
|
dongsheng@627
|
8730 "the commit immediately confirms the error."
|
dongsheng@627
|
8731 msgstr ""
|
dongsheng@627
|
8732
|
dongsheng@627
|
8733 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8734 #: ../en/ch08-undo.xml:56
|
dongsheng@627
|
8735 msgid ""
|
dongsheng@627
|
8736 "The commit captured the changes to the file <filename>a</filename>, but not "
|
dongsheng@627
|
8737 "the new file <filename>b</filename>. If I were to push this changeset to a "
|
dongsheng@627
|
8738 "repository that I shared with a colleague, the chances are high that "
|
dongsheng@627
|
8739 "something in <filename>a</filename> would refer to <filename>b</filename>, "
|
dongsheng@627
|
8740 "which would not be present in their repository when they pulled my changes. "
|
dongsheng@627
|
8741 "I would thus become the object of some indignation."
|
dongsheng@627
|
8742 msgstr ""
|
dongsheng@627
|
8743
|
dongsheng@627
|
8744 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8745 #: ../en/ch08-undo.xml:65
|
dongsheng@627
|
8746 msgid ""
|
songdongsheng@668
|
8747 "However, luck is with me&emdash;I've caught my error before I pushed the "
|
songdongsheng@668
|
8748 "changeset. I use the <command role=\"hg-cmd\">hg rollback</command> command, "
|
songdongsheng@668
|
8749 "and Mercurial makes that last changeset vanish."
|
dongsheng@627
|
8750 msgstr ""
|
dongsheng@627
|
8751
|
dongsheng@627
|
8752 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8753 #: ../en/ch08-undo.xml:72
|
dongsheng@627
|
8754 msgid ""
|
dongsheng@627
|
8755 "Notice that the changeset is no longer present in the repository's history, "
|
dongsheng@627
|
8756 "and the working directory once again thinks that the file <filename>a</"
|
dongsheng@627
|
8757 "filename> is modified. The commit and rollback have left the working "
|
dongsheng@627
|
8758 "directory exactly as it was prior to the commit; the changeset has been "
|
dongsheng@627
|
8759 "completely erased. I can now safely <command role=\"hg-cmd\">hg add</"
|
dongsheng@627
|
8760 "command> the file <filename>b</filename>, and rerun my commit."
|
dongsheng@627
|
8761 msgstr ""
|
dongsheng@627
|
8762
|
dongsheng@627
|
8763 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8764 #: ../en/ch08-undo.xml:85
|
dongsheng@627
|
8765 msgid "The erroneous pull"
|
dongsheng@635
|
8766 msgstr "错误的抓取"
|
dongsheng@627
|
8767
|
dongsheng@627
|
8768 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8769 #: ../en/ch08-undo.xml:87
|
dongsheng@627
|
8770 msgid ""
|
dongsheng@627
|
8771 "It's common practice with Mercurial to maintain separate development branches "
|
dongsheng@627
|
8772 "of a project in different repositories. Your development team might have one "
|
dongsheng@627
|
8773 "shared repository for your project's <quote>0.9</quote> release, and another, "
|
dongsheng@627
|
8774 "containing different changes, for the <quote>1.0</quote> release."
|
dongsheng@627
|
8775 msgstr ""
|
dongsheng@627
|
8776
|
dongsheng@627
|
8777 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8778 #: ../en/ch08-undo.xml:94
|
dongsheng@627
|
8779 msgid ""
|
dongsheng@627
|
8780 "Given this, you can imagine that the consequences could be messy if you had a "
|
dongsheng@627
|
8781 "local <quote>0.9</quote> repository, and accidentally pulled changes from the "
|
dongsheng@627
|
8782 "shared <quote>1.0</quote> repository into it. At worst, you could be paying "
|
dongsheng@627
|
8783 "insufficient attention, and push those changes into the shared <quote>0.9</"
|
dongsheng@627
|
8784 "quote> tree, confusing your entire team (but don't worry, we'll return to "
|
dongsheng@627
|
8785 "this horror scenario later). However, it's more likely that you'll notice "
|
dongsheng@627
|
8786 "immediately, because Mercurial will display the URL it's pulling from, or you "
|
dongsheng@627
|
8787 "will see it pull a suspiciously large number of changes into the repository."
|
dongsheng@627
|
8788 msgstr ""
|
dongsheng@627
|
8789
|
dongsheng@627
|
8790 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8791 #: ../en/ch08-undo.xml:106
|
dongsheng@627
|
8792 msgid ""
|
dongsheng@627
|
8793 "The <command role=\"hg-cmd\">hg rollback</command> command will work nicely "
|
dongsheng@627
|
8794 "to expunge all of the changesets that you just pulled. Mercurial groups all "
|
dongsheng@627
|
8795 "changes from one <command role=\"hg-cmd\">hg pull</command> into a single "
|
dongsheng@627
|
8796 "transaction, so one <command role=\"hg-cmd\">hg rollback</command> is all you "
|
dongsheng@627
|
8797 "need to undo this mistake."
|
dongsheng@627
|
8798 msgstr ""
|
dongsheng@627
|
8799
|
dongsheng@627
|
8800 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8801 #: ../en/ch08-undo.xml:115
|
dongsheng@627
|
8802 msgid "Rolling back is useless once you've pushed"
|
dongsheng@635
|
8803 msgstr "当完成推送后,回滚是无效的"
|
dongsheng@627
|
8804
|
dongsheng@627
|
8805 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8806 #: ../en/ch08-undo.xml:117
|
dongsheng@627
|
8807 msgid ""
|
dongsheng@627
|
8808 "The value of the <command role=\"hg-cmd\">hg rollback</command> command drops "
|
dongsheng@627
|
8809 "to zero once you've pushed your changes to another repository. Rolling back "
|
dongsheng@627
|
8810 "a change makes it disappear entirely, but <emphasis>only</emphasis> in the "
|
dongsheng@627
|
8811 "repository in which you perform the <command role=\"hg-cmd\">hg rollback</"
|
dongsheng@627
|
8812 "command>. Because a rollback eliminates history, there's no way for the "
|
dongsheng@627
|
8813 "disappearance of a change to propagate between repositories."
|
dongsheng@627
|
8814 msgstr ""
|
dongsheng@627
|
8815
|
dongsheng@627
|
8816 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8817 #: ../en/ch08-undo.xml:126
|
dongsheng@627
|
8818 msgid ""
|
songdongsheng@668
|
8819 "If you've pushed a change to another repository&emdash;particularly if it's a "
|
songdongsheng@668
|
8820 "shared repository&emdash;it has essentially <quote>escaped into the wild,</"
|
songdongsheng@668
|
8821 "quote> and you'll have to recover from your mistake in a different way. What "
|
songdongsheng@668
|
8822 "will happen if you push a changeset somewhere, then roll it back, then pull "
|
songdongsheng@668
|
8823 "from the repository you pushed to, is that the changeset will reappear in "
|
songdongsheng@668
|
8824 "your repository."
|
dongsheng@627
|
8825 msgstr ""
|
dongsheng@627
|
8826
|
dongsheng@627
|
8827 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8828 #: ../en/ch08-undo.xml:135
|
dongsheng@627
|
8829 msgid ""
|
dongsheng@627
|
8830 "(If you absolutely know for sure that the change you want to roll back is the "
|
dongsheng@627
|
8831 "most recent change in the repository that you pushed to, <emphasis>and</"
|
dongsheng@627
|
8832 "emphasis> you know that nobody else could have pulled it from that "
|
dongsheng@627
|
8833 "repository, you can roll back the changeset there, too, but you really should "
|
dongsheng@627
|
8834 "really not rely on this working reliably. If you do this, sooner or later a "
|
dongsheng@627
|
8835 "change really will make it into a repository that you don't directly control "
|
dongsheng@627
|
8836 "(or have forgotten about), and come back to bite you.)"
|
dongsheng@627
|
8837 msgstr ""
|
dongsheng@627
|
8838
|
dongsheng@627
|
8839 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8840 #: ../en/ch08-undo.xml:147
|
dongsheng@627
|
8841 msgid "You can only roll back once"
|
dongsheng@635
|
8842 msgstr "你只能回滚一次"
|
dongsheng@627
|
8843
|
dongsheng@627
|
8844 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8845 #: ../en/ch08-undo.xml:149
|
dongsheng@627
|
8846 msgid ""
|
dongsheng@627
|
8847 "Mercurial stores exactly one transaction in its transaction log; that "
|
dongsheng@627
|
8848 "transaction is the most recent one that occurred in the repository. This "
|
dongsheng@627
|
8849 "means that you can only roll back one transaction. If you expect to be able "
|
dongsheng@627
|
8850 "to roll back one transaction, then its predecessor, this is not the behaviour "
|
dongsheng@627
|
8851 "you will get."
|
dongsheng@627
|
8852 msgstr ""
|
dongsheng@627
|
8853
|
dongsheng@627
|
8854 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8855 #: ../en/ch08-undo.xml:158
|
dongsheng@627
|
8856 msgid ""
|
dongsheng@627
|
8857 "Once you've rolled back one transaction in a repository, you can't roll back "
|
dongsheng@627
|
8858 "again in that repository until you perform another commit or pull."
|
dongsheng@627
|
8859 msgstr ""
|
dongsheng@627
|
8860
|
dongsheng@627
|
8861 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
8862 #: ../en/ch08-undo.xml:165
|
dongsheng@627
|
8863 msgid "Reverting the mistaken change"
|
dongsheng@635
|
8864 msgstr "撤销错误的修改"
|
dongsheng@627
|
8865
|
dongsheng@627
|
8866 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8867 #: ../en/ch08-undo.xml:167
|
dongsheng@627
|
8868 msgid ""
|
dongsheng@627
|
8869 "If you make a modification to a file, and decide that you really didn't want "
|
dongsheng@627
|
8870 "to change the file at all, and you haven't yet committed your changes, the "
|
dongsheng@627
|
8871 "<command role=\"hg-cmd\">hg revert</command> command is the one you'll need. "
|
dongsheng@627
|
8872 "It looks at the changeset that's the parent of the working directory, and "
|
dongsheng@627
|
8873 "restores the contents of the file to their state as of that changeset. "
|
dongsheng@627
|
8874 "(That's a long-winded way of saying that, in the normal case, it undoes your "
|
dongsheng@627
|
8875 "modifications.)"
|
dongsheng@627
|
8876 msgstr ""
|
dongsheng@627
|
8877
|
dongsheng@627
|
8878 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8879 #: ../en/ch08-undo.xml:176
|
dongsheng@627
|
8880 msgid ""
|
dongsheng@627
|
8881 "Let's illustrate how the <command role=\"hg-cmd\">hg revert</command> command "
|
dongsheng@627
|
8882 "works with yet another small example. We'll begin by modifying a file that "
|
dongsheng@627
|
8883 "Mercurial is already tracking."
|
dongsheng@627
|
8884 msgstr ""
|
dongsheng@627
|
8885
|
dongsheng@627
|
8886 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8887 #: ../en/ch08-undo.xml:183
|
dongsheng@627
|
8888 msgid ""
|
dongsheng@627
|
8889 "If we don't want that change, we can simply <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
8890 "revert</command> the file."
|
dongsheng@627
|
8891 msgstr ""
|
dongsheng@627
|
8892
|
dongsheng@627
|
8893 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8894 #: ../en/ch08-undo.xml:189
|
dongsheng@627
|
8895 msgid ""
|
dongsheng@627
|
8896 "The <command role=\"hg-cmd\">hg revert</command> command provides us with an "
|
dongsheng@627
|
8897 "extra degree of safety by saving our modified file with a <filename>.orig</"
|
dongsheng@627
|
8898 "filename> extension."
|
dongsheng@627
|
8899 msgstr ""
|
dongsheng@627
|
8900
|
dongsheng@627
|
8901 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
8902 #: ../en/ch08-undo.xml:196
|
dongsheng@627
|
8903 msgid ""
|
dongsheng@627
|
8904 "Here is a summary of the cases that the <command role=\"hg-cmd\">hg revert</"
|
dongsheng@627
|
8905 "command> command can deal with. We will describe each of these in more "
|
dongsheng@627
|
8906 "detail in the section that follows."
|
dongsheng@627
|
8907 msgstr ""
|
dongsheng@627
|
8908
|
dongsheng@627
|
8909 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8910 #: ../en/ch08-undo.xml:201
|
dongsheng@627
|
8911 msgid "If you modify a file, it will restore the file to its unmodified state."
|
dongsheng@627
|
8912 msgstr ""
|
dongsheng@627
|
8913
|
dongsheng@627
|
8914 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8915 #: ../en/ch08-undo.xml:204
|
dongsheng@627
|
8916 msgid ""
|
dongsheng@627
|
8917 "If you <command role=\"hg-cmd\">hg add</command> a file, it will undo the "
|
dongsheng@627
|
8918 "<quote>added</quote> state of the file, but leave the file itself untouched."
|
dongsheng@627
|
8919 msgstr ""
|
dongsheng@627
|
8920
|
dongsheng@627
|
8921 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8922 #: ../en/ch08-undo.xml:208
|
dongsheng@627
|
8923 msgid ""
|
dongsheng@627
|
8924 "If you delete a file without telling Mercurial, it will restore the file to "
|
dongsheng@627
|
8925 "its unmodified contents."
|
dongsheng@627
|
8926 msgstr ""
|
dongsheng@627
|
8927
|
dongsheng@627
|
8928 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
8929 #: ../en/ch08-undo.xml:211
|
dongsheng@627
|
8930 msgid ""
|
dongsheng@627
|
8931 "If you use the <command role=\"hg-cmd\">hg remove</command> command to remove "
|
dongsheng@627
|
8932 "a file, it will undo the <quote>removed</quote> state of the file, and "
|
dongsheng@627
|
8933 "restore the file to its unmodified contents."
|
dongsheng@627
|
8934 msgstr ""
|
dongsheng@627
|
8935
|
dongsheng@627
|
8936 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
8937 #: ../en/ch08-undo.xml:218
|
dongsheng@627
|
8938 msgid "File management errors"
|
dongsheng@635
|
8939 msgstr "文件管理错误"
|
dongsheng@627
|
8940
|
dongsheng@627
|
8941 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8942 #: ../en/ch08-undo.xml:220
|
dongsheng@627
|
8943 msgid ""
|
dongsheng@627
|
8944 "The <command role=\"hg-cmd\">hg revert</command> command is useful for more "
|
dongsheng@627
|
8945 "than just modified files. It lets you reverse the results of all of "
|
songdongsheng@668
|
8946 "Mercurial's file management commands&emdash;<command role=\"hg-cmd\">hg add</"
|
dongsheng@627
|
8947 "command>, <command role=\"hg-cmd\">hg remove</command>, and so on."
|
dongsheng@627
|
8948 msgstr ""
|
dongsheng@627
|
8949
|
dongsheng@627
|
8950 #
|
dongsheng@627
|
8951 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8952 #: ../en/ch08-undo.xml:226
|
dongsheng@627
|
8953 msgid ""
|
dongsheng@627
|
8954 "If you <command role=\"hg-cmd\">hg add</command> a file, then decide that in "
|
dongsheng@627
|
8955 "fact you don't want Mercurial to track it, use <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
8956 "revert</command> to undo the add. Don't worry; Mercurial will not modify the "
|
dongsheng@627
|
8957 "file in any way. It will just <quote>unmark</quote> the file."
|
dongsheng@627
|
8958 msgstr ""
|
dongsheng@627
|
8959
|
dongsheng@627
|
8960 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8961 #: ../en/ch08-undo.xml:234
|
dongsheng@627
|
8962 msgid ""
|
dongsheng@627
|
8963 "Similarly, if you ask Mercurial to <command role=\"hg-cmd\">hg remove</"
|
dongsheng@627
|
8964 "command> a file, you can use <command role=\"hg-cmd\">hg revert</command> to "
|
dongsheng@627
|
8965 "restore it to the contents it had as of the parent of the working directory. "
|
dongsheng@627
|
8966 "&interaction.daily.revert.remove; This works just as well for a file that you "
|
dongsheng@627
|
8967 "deleted by hand, without telling Mercurial (recall that in Mercurial "
|
dongsheng@627
|
8968 "terminology, this kind of file is called <quote>missing</quote>)."
|
dongsheng@627
|
8969 msgstr ""
|
dongsheng@627
|
8970
|
dongsheng@627
|
8971 #
|
dongsheng@627
|
8972 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
8973 #: ../en/ch08-undo.xml:245
|
dongsheng@627
|
8974 msgid ""
|
dongsheng@627
|
8975 "If you revert a <command role=\"hg-cmd\">hg copy</command>, the copied-to "
|
dongsheng@627
|
8976 "file remains in your working directory afterwards, untracked. Since a copy "
|
dongsheng@627
|
8977 "doesn't affect the copied-from file in any way, Mercurial doesn't do anything "
|
dongsheng@627
|
8978 "with the copied-from file."
|
dongsheng@627
|
8979 msgstr ""
|
dongsheng@627
|
8980
|
dongsheng@627
|
8981 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
8982 #: ../en/ch08-undo.xml:254
|
dongsheng@627
|
8983 msgid "A slightly special case: reverting a rename"
|
dongsheng@635
|
8984 msgstr "一个稍微特别的案例:撤销改名"
|
dongsheng@627
|
8985
|
dongsheng@627
|
8986 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
8987 #: ../en/ch08-undo.xml:256
|
dongsheng@627
|
8988 msgid ""
|
dongsheng@627
|
8989 "If you <command role=\"hg-cmd\">hg rename</command> a file, there is one "
|
dongsheng@627
|
8990 "small detail that you should remember. When you <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
8991 "revert</command> a rename, it's not enough to provide the name of the renamed-"
|
dongsheng@627
|
8992 "to file, as you can see here."
|
dongsheng@627
|
8993 msgstr ""
|
dongsheng@627
|
8994
|
dongsheng@627
|
8995 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
8996 #: ../en/ch08-undo.xml:264
|
dongsheng@627
|
8997 msgid ""
|
dongsheng@627
|
8998 "As you can see from the output of <command role=\"hg-cmd\">hg status</"
|
dongsheng@627
|
8999 "command>, the renamed-to file is no longer identified as added, but the "
|
dongsheng@627
|
9000 "renamed-<emphasis>from</emphasis> file is still removed! This is counter-"
|
dongsheng@627
|
9001 "intuitive (at least to me), but at least it's easy to deal with."
|
dongsheng@627
|
9002 msgstr ""
|
dongsheng@627
|
9003
|
dongsheng@627
|
9004 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
9005 #: ../en/ch08-undo.xml:273
|
dongsheng@627
|
9006 msgid ""
|
dongsheng@627
|
9007 "So remember, to revert a <command role=\"hg-cmd\">hg rename</command>, you "
|
dongsheng@627
|
9008 "must provide <emphasis>both</emphasis> the source and destination names."
|
dongsheng@627
|
9009 msgstr ""
|
dongsheng@627
|
9010
|
dongsheng@627
|
9011 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
9012 #: ../en/ch08-undo.xml:278
|
dongsheng@627
|
9013 msgid "% TODO: the output doesn't look like it will be removed!"
|
dongsheng@627
|
9014 msgstr ""
|
dongsheng@627
|
9015
|
dongsheng@627
|
9016 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
9017 #: ../en/ch08-undo.xml:281
|
dongsheng@627
|
9018 msgid ""
|
dongsheng@627
|
9019 "(By the way, if you rename a file, then modify the renamed-to file, then "
|
dongsheng@627
|
9020 "revert both components of the rename, when Mercurial restores the file that "
|
dongsheng@627
|
9021 "was removed as part of the rename, it will be unmodified. If you need the "
|
dongsheng@627
|
9022 "modifications in the renamed-to file to show up in the renamed-from file, "
|
dongsheng@627
|
9023 "don't forget to copy them over.)"
|
dongsheng@627
|
9024 msgstr ""
|
dongsheng@627
|
9025
|
dongsheng@627
|
9026 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
9027 #: ../en/ch08-undo.xml:288
|
dongsheng@627
|
9028 msgid ""
|
dongsheng@627
|
9029 "These fiddly aspects of reverting a rename arguably constitute a small bug in "
|
dongsheng@627
|
9030 "Mercurial."
|
dongsheng@627
|
9031 msgstr ""
|
dongsheng@627
|
9032
|
dongsheng@627
|
9033 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
9034 #: ../en/ch08-undo.xml:295
|
dongsheng@627
|
9035 msgid "Dealing with committed changes"
|
dongsheng@635
|
9036 msgstr "处理已经提交的修改"
|
dongsheng@627
|
9037
|
dongsheng@627
|
9038 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
9039 #: ../en/ch08-undo.xml:297
|
dongsheng@627
|
9040 msgid ""
|
dongsheng@627
|
9041 "Consider a case where you have committed a change $a$, and another change $b$ "
|
dongsheng@627
|
9042 "on top of it; you then realise that change $a$ was incorrect. Mercurial lets "
|
dongsheng@627
|
9043 "you <quote>back out</quote> an entire changeset automatically, and building "
|
dongsheng@627
|
9044 "blocks that let you reverse part of a changeset by hand."
|
dongsheng@627
|
9045 msgstr ""
|
dongsheng@627
|
9046
|
dongsheng@627
|
9047 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
9048 #: ../en/ch08-undo.xml:303
|
dongsheng@627
|
9049 msgid ""
|
dongsheng@627
|
9050 "Before you read this section, here's something to keep in mind: the <command "
|
dongsheng@627
|
9051 "role=\"hg-cmd\">hg backout</command> command undoes changes by "
|
dongsheng@627
|
9052 "<emphasis>adding</emphasis> history, not by modifying or erasing it. It's "
|
dongsheng@627
|
9053 "the right tool to use if you're fixing bugs, but not if you're trying to undo "
|
dongsheng@627
|
9054 "some change that has catastrophic consequences. To deal with those, see "
|
songdongsheng@658
|
9055 "<xref linkend=\"sec:undo:aaaiiieee\"/>."
|
dongsheng@627
|
9056 msgstr ""
|
dongsheng@627
|
9057
|
dongsheng@627
|
9058 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
9059 #: ../en/ch08-undo.xml:312
|
dongsheng@627
|
9060 msgid "Backing out a changeset"
|
dongsheng@635
|
9061 msgstr "恢复一个修改集"
|
dongsheng@627
|
9062
|
dongsheng@627
|
9063 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
9064 #: ../en/ch08-undo.xml:314
|
dongsheng@627
|
9065 msgid ""
|
dongsheng@627
|
9066 "The <command role=\"hg-cmd\">hg backout</command> command lets you "
|
dongsheng@627
|
9067 "<quote>undo</quote> the effects of an entire changeset in an automated "
|
dongsheng@627
|
9068 "fashion. Because Mercurial's history is immutable, this command "
|
dongsheng@627
|
9069 "<emphasis>does not</emphasis> get rid of the changeset you want to undo. "
|
dongsheng@627
|
9070 "Instead, it creates a new changeset that <emphasis>reverses</emphasis> the "
|
dongsheng@627
|
9071 "effect of the to-be-undone changeset."
|
dongsheng@627
|
9072 msgstr ""
|
dongsheng@627
|
9073
|
dongsheng@627
|
9074 #
|
dongsheng@627
|
9075 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
9076 #: ../en/ch08-undo.xml:323
|
dongsheng@627
|
9077 msgid ""
|
dongsheng@627
|
9078 "The operation of the <command role=\"hg-cmd\">hg backout</command> command is "
|
dongsheng@627
|
9079 "a little intricate, so let's illustrate it with some examples. First, we'll "
|
dongsheng@627
|
9080 "create a repository with some simple changes."
|
dongsheng@627
|
9081 msgstr ""
|
dongsheng@627
|
9082
|
dongsheng@627
|
9083 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
9084 #: ../en/ch08-undo.xml:330
|
dongsheng@627
|
9085 msgid ""
|
dongsheng@627
|
9086 "The <command role=\"hg-cmd\">hg backout</command> command takes a single "
|
dongsheng@627
|
9087 "changeset ID as its argument; this is the changeset to back out. Normally, "
|
dongsheng@627
|
9088 "<command role=\"hg-cmd\">hg backout</command> will drop you into a text "
|
dongsheng@627
|
9089 "editor to write a commit message, so you can record why you're backing the "
|
dongsheng@627
|
9090 "change out. In this example, we provide a commit message on the command line "
|
dongsheng@627
|
9091 "using the <option role=\"hg-opt-backout\">-m</option> option."
|
dongsheng@627
|
9092 msgstr ""
|
dongsheng@627
|
9093
|
dongsheng@627
|
9094 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
9095 #: ../en/ch08-undo.xml:341
|
dongsheng@627
|
9096 msgid "Backing out the tip changeset"
|
dongsheng@635
|
9097 msgstr "恢复顶点修改集"
|
dongsheng@627
|
9098
|
dongsheng@627
|
9099 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
9100 #: ../en/ch08-undo.xml:343
|
dongsheng@627
|
9101 msgid "We're going to start by backing out the last changeset we committed."
|
dongsheng@627
|
9102 msgstr ""
|
dongsheng@627
|
9103
|
dongsheng@627
|
9104 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
9105 #: ../en/ch08-undo.xml:348
|
dongsheng@627
|
9106 msgid ""
|
dongsheng@627
|
9107 "You can see that the second line from <filename>myfile</filename> is no "
|
dongsheng@627
|
9108 "longer present. Taking a look at the output of <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
9109 "log</command> gives us an idea of what the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
9110 "backout</command> command has done. &interaction.backout.simple.log; Notice "
|
dongsheng@627
|
9111 "that the new changeset that <command role=\"hg-cmd\">hg backout</command> has "
|
dongsheng@627
|
9112 "created is a child of the changeset we backed out. It's easier to see this "
|
songdongsheng@658
|
9113 "in <xref linkend=\"fig:undo:backout\"/>, which presents a graphical view of "
|
songdongsheng@658
|
9114 "the change history. As you can see, the history is nice and linear."
|
songdongsheng@658
|
9115 msgstr ""
|
songdongsheng@658
|
9116
|
songdongsheng@658
|
9117 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
9118 #: ../en/ch08-undo.xml:361 ../en/ch08-undo.xml:473
|
dongsheng@627
|
9119 msgid ""
|
dongsheng@627
|
9120 "Backing out a change using the <command role=\"hg-cmd\">hg backout</command> "
|
dongsheng@627
|
9121 "command"
|
dongsheng@660
|
9122 msgstr "使用 <command role=\"hg-cmd\">hg backout</command> 恢复一个修改"
|
dongsheng@627
|
9123
|
songdongsheng@658
|
9124 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
9125 #: ../en/ch08-undo.xml:364
|
songdongsheng@658
|
9126 msgid "<imageobject><imagedata fileref=\"figs/undo-simple.png\"/></imageobject>"
|
songdongsheng@658
|
9127 msgstr ""
|
songdongsheng@658
|
9128
|
dongsheng@627
|
9129 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9130 #: ../en/ch08-undo.xml:371
|
dongsheng@627
|
9131 msgid "Backing out a non-tip change"
|
dongsheng@635
|
9132 msgstr "恢复非顶点的修改"
|
dongsheng@627
|
9133
|
dongsheng@627
|
9134 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9135 #: ../en/ch08-undo.xml:373
|
dongsheng@627
|
9136 msgid ""
|
dongsheng@627
|
9137 "If you want to back out a change other than the last one you committed, pass "
|
dongsheng@627
|
9138 "the <option role=\"hg-opt-backout\">--merge</option> option to the <command "
|
dongsheng@627
|
9139 "role=\"hg-cmd\">hg backout</command> command."
|
dongsheng@627
|
9140 msgstr ""
|
dongsheng@627
|
9141
|
dongsheng@627
|
9142 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9143 #: ../en/ch08-undo.xml:380
|
dongsheng@627
|
9144 msgid ""
|
dongsheng@627
|
9145 "This makes backing out any changeset a <quote>one-shot</quote> operation "
|
dongsheng@627
|
9146 "that's usually simple and fast."
|
dongsheng@627
|
9147 msgstr ""
|
dongsheng@627
|
9148
|
dongsheng@627
|
9149 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9150 #: ../en/ch08-undo.xml:386
|
dongsheng@627
|
9151 msgid ""
|
dongsheng@627
|
9152 "If you take a look at the contents of <filename>myfile</filename> after the "
|
dongsheng@627
|
9153 "backout finishes, you'll see that the first and third changes are present, "
|
dongsheng@627
|
9154 "but not the second."
|
dongsheng@627
|
9155 msgstr ""
|
dongsheng@627
|
9156
|
dongsheng@627
|
9157 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9158 #: ../en/ch08-undo.xml:393
|
songdongsheng@658
|
9159 msgid ""
|
songdongsheng@658
|
9160 "As the graphical history in <xref linkend=\"fig:undo:backout-non-tip\"/> "
|
songdongsheng@658
|
9161 "illustrates, Mercurial actually commits <emphasis>two</emphasis> changes in "
|
songdongsheng@658
|
9162 "this kind of situation (the box-shaped nodes are the ones that Mercurial "
|
songdongsheng@658
|
9163 "commits automatically). Before Mercurial begins the backout process, it "
|
songdongsheng@658
|
9164 "first remembers what the current parent of the working directory is. It then "
|
songdongsheng@658
|
9165 "backs out the target changeset, and commits that as a changeset. Finally, it "
|
songdongsheng@658
|
9166 "merges back to the previous parent of the working directory, and commits the "
|
songdongsheng@658
|
9167 "result of the merge."
|
songdongsheng@658
|
9168 msgstr ""
|
songdongsheng@658
|
9169
|
songdongsheng@658
|
9170 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9171 #: ../en/ch08-undo.xml:404
|
dongsheng@627
|
9172 msgid ""
|
dongsheng@627
|
9173 "% TODO: to me it looks like mercurial doesn't commit the second merge "
|
dongsheng@627
|
9174 "automatically!"
|
dongsheng@627
|
9175 msgstr ""
|
dongsheng@627
|
9176
|
songdongsheng@658
|
9177 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
9178 #: ../en/ch08-undo.xml:408
|
dongsheng@627
|
9179 msgid ""
|
dongsheng@627
|
9180 "Automated backout of a non-tip change using the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
9181 "backout</command> command"
|
dongsheng@660
|
9182 msgstr "使用 <command role=\"hg-cmd\">hg backout</command> 自动恢复非顶点的修改"
|
dongsheng@627
|
9183
|
songdongsheng@658
|
9184 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
9185 #: ../en/ch08-undo.xml:411
|
songdongsheng@658
|
9186 msgid ""
|
songdongsheng@658
|
9187 "<imageobject><imagedata fileref=\"figs/undo-non-tip.png\"/></imageobject>"
|
songdongsheng@658
|
9188 msgstr ""
|
songdongsheng@658
|
9189
|
songdongsheng@658
|
9190 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9191 #: ../en/ch08-undo.xml:416
|
dongsheng@627
|
9192 msgid ""
|
dongsheng@627
|
9193 "The result is that you end up <quote>back where you were</quote>, only with "
|
dongsheng@627
|
9194 "some extra history that undoes the effect of the changeset you wanted to back "
|
dongsheng@627
|
9195 "out."
|
dongsheng@627
|
9196 msgstr ""
|
dongsheng@627
|
9197
|
dongsheng@627
|
9198 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
9199 #: ../en/ch08-undo.xml:421
|
dongsheng@627
|
9200 msgid "Always use the <option role=\"hg-opt-backout\">--merge</option> option"
|
dongsheng@635
|
9201 msgstr "始终使用选项 <option role=\"hg-opt-backout\">--merge</option>"
|
dongsheng@627
|
9202
|
dongsheng@627
|
9203 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
9204 #: ../en/ch08-undo.xml:424
|
dongsheng@627
|
9205 msgid ""
|
dongsheng@627
|
9206 "In fact, since the <option role=\"hg-opt-backout\">--merge</option> option "
|
dongsheng@627
|
9207 "will do the <quote>right thing</quote> whether or not the changeset you're "
|
dongsheng@627
|
9208 "backing out is the tip (i.e. it won't try to merge if it's backing out the "
|
dongsheng@627
|
9209 "tip, since there's no need), you should <emphasis>always</emphasis> use this "
|
dongsheng@627
|
9210 "option when you run the <command role=\"hg-cmd\">hg backout</command> command."
|
dongsheng@627
|
9211 msgstr ""
|
dongsheng@627
|
9212
|
dongsheng@627
|
9213 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9214 #: ../en/ch08-undo.xml:435
|
dongsheng@627
|
9215 msgid "Gaining more control of the backout process"
|
dongsheng@635
|
9216 msgstr "在恢复处理中获得更多控制"
|
dongsheng@627
|
9217
|
dongsheng@627
|
9218 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9219 #: ../en/ch08-undo.xml:437
|
dongsheng@627
|
9220 msgid ""
|
dongsheng@627
|
9221 "While I've recommended that you always use the <option role=\"hg-opt-backout"
|
dongsheng@627
|
9222 "\">--merge</option> option when backing out a change, the <command role=\"hg-"
|
dongsheng@627
|
9223 "cmd\">hg backout</command> command lets you decide how to merge a backout "
|
dongsheng@627
|
9224 "changeset. Taking control of the backout process by hand is something you "
|
dongsheng@627
|
9225 "will rarely need to do, but it can be useful to understand what the <command "
|
dongsheng@627
|
9226 "role=\"hg-cmd\">hg backout</command> command is doing for you automatically. "
|
dongsheng@627
|
9227 "To illustrate this, let's clone our first repository, but omit the backout "
|
dongsheng@627
|
9228 "change that it contains."
|
dongsheng@627
|
9229 msgstr ""
|
dongsheng@627
|
9230
|
dongsheng@627
|
9231 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9232 #: ../en/ch08-undo.xml:450
|
dongsheng@627
|
9233 msgid ""
|
dongsheng@627
|
9234 "As with our earlier example, We'll commit a third changeset, then back out "
|
dongsheng@627
|
9235 "its parent, and see what happens."
|
dongsheng@627
|
9236 msgstr ""
|
dongsheng@627
|
9237
|
dongsheng@627
|
9238 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9239 #: ../en/ch08-undo.xml:456
|
dongsheng@627
|
9240 msgid ""
|
dongsheng@627
|
9241 "Our new changeset is again a descendant of the changeset we backout out; it's "
|
dongsheng@627
|
9242 "thus a new head, <emphasis>not</emphasis> a descendant of the changeset that "
|
dongsheng@627
|
9243 "was the tip. The <command role=\"hg-cmd\">hg backout</command> command was "
|
dongsheng@627
|
9244 "quite explicit in telling us this."
|
dongsheng@627
|
9245 msgstr ""
|
dongsheng@627
|
9246
|
dongsheng@627
|
9247 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9248 #: ../en/ch08-undo.xml:464
|
dongsheng@627
|
9249 msgid ""
|
dongsheng@627
|
9250 "Again, it's easier to see what has happened by looking at a graph of the "
|
songdongsheng@658
|
9251 "revision history, in <xref linkend=\"fig:undo:backout-manual\"/>. This makes "
|
songdongsheng@658
|
9252 "it clear that when we use <command role=\"hg-cmd\">hg backout</command> to "
|
songdongsheng@658
|
9253 "back out a change other than the tip, Mercurial adds a new head to the "
|
songdongsheng@658
|
9254 "repository (the change it committed is box-shaped)."
|
songdongsheng@658
|
9255 msgstr ""
|
songdongsheng@658
|
9256
|
songdongsheng@658
|
9257 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
9258 #: ../en/ch08-undo.xml:476
|
songdongsheng@658
|
9259 msgid "<imageobject><imagedata fileref=\"figs/undo-manual.png\"/></imageobject>"
|
songdongsheng@658
|
9260 msgstr ""
|
songdongsheng@658
|
9261
|
songdongsheng@658
|
9262 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9263 #: ../en/ch08-undo.xml:481
|
dongsheng@627
|
9264 msgid ""
|
dongsheng@627
|
9265 "After the <command role=\"hg-cmd\">hg backout</command> command has "
|
dongsheng@627
|
9266 "completed, it leaves the new <quote>backout</quote> changeset as the parent "
|
dongsheng@627
|
9267 "of the working directory."
|
dongsheng@627
|
9268 msgstr ""
|
dongsheng@627
|
9269
|
dongsheng@627
|
9270 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9271 #: ../en/ch08-undo.xml:488
|
dongsheng@627
|
9272 msgid "Now we have two isolated sets of changes."
|
dongsheng@627
|
9273 msgstr ""
|
dongsheng@627
|
9274
|
dongsheng@627
|
9275 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9276 #: ../en/ch08-undo.xml:492
|
dongsheng@627
|
9277 msgid ""
|
dongsheng@627
|
9278 "Let's think about what we expect to see as the contents of <filename>myfile</"
|
dongsheng@627
|
9279 "filename> now. The first change should be present, because we've never "
|
dongsheng@627
|
9280 "backed it out. The second change should be missing, as that's the change we "
|
dongsheng@627
|
9281 "backed out. Since the history graph shows the third change as a separate "
|
dongsheng@627
|
9282 "head, we <emphasis>don't</emphasis> expect to see the third change present in "
|
dongsheng@627
|
9283 "<filename>myfile</filename>."
|
dongsheng@627
|
9284 msgstr ""
|
dongsheng@627
|
9285
|
dongsheng@627
|
9286 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9287 #: ../en/ch08-undo.xml:502
|
dongsheng@627
|
9288 msgid ""
|
dongsheng@627
|
9289 "To get the third change back into the file, we just do a normal merge of our "
|
dongsheng@627
|
9290 "two heads."
|
dongsheng@627
|
9291 msgstr ""
|
dongsheng@627
|
9292
|
dongsheng@627
|
9293 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9294 #: ../en/ch08-undo.xml:507
|
songdongsheng@658
|
9295 msgid ""
|
songdongsheng@658
|
9296 "Afterwards, the graphical history of our repository looks like <xref linkend="
|
songdongsheng@658
|
9297 "\"fig:undo:backout-manual-merge\"/>."
|
songdongsheng@658
|
9298 msgstr ""
|
songdongsheng@658
|
9299
|
songdongsheng@658
|
9300 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
9301 #: ../en/ch08-undo.xml:512
|
dongsheng@627
|
9302 msgid "Manually merging a backout change"
|
dongsheng@660
|
9303 msgstr "手工合并恢复修改"
|
dongsheng@627
|
9304
|
songdongsheng@658
|
9305 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
songdongsheng@658
|
9306 #: ../en/ch08-undo.xml:514
|
songdongsheng@658
|
9307 msgid ""
|
songdongsheng@658
|
9308 "<imageobject><imagedata fileref=\"figs/undo-manual-merge.png\"/></imageobject>"
|
songdongsheng@658
|
9309 msgstr ""
|
songdongsheng@658
|
9310
|
dongsheng@627
|
9311 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9312 #: ../en/ch08-undo.xml:521
|
dongsheng@627
|
9313 msgid "Why <command role=\"hg-cmd\">hg backout</command> works as it does"
|
dongsheng@635
|
9314 msgstr "<command role=\"hg-cmd\">hg backout</command> 的内幕"
|
dongsheng@627
|
9315
|
dongsheng@627
|
9316 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9317 #: ../en/ch08-undo.xml:524
|
dongsheng@627
|
9318 msgid ""
|
dongsheng@627
|
9319 "Here's a brief description of how the <command role=\"hg-cmd\">hg backout</"
|
dongsheng@627
|
9320 "command> command works."
|
dongsheng@627
|
9321 msgstr ""
|
dongsheng@627
|
9322
|
dongsheng@627
|
9323 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9324 #: ../en/ch08-undo.xml:527
|
dongsheng@627
|
9325 msgid ""
|
dongsheng@627
|
9326 "It ensures that the working directory is <quote>clean</quote>, i.e. that the "
|
dongsheng@627
|
9327 "output of <command role=\"hg-cmd\">hg status</command> would be empty."
|
dongsheng@627
|
9328 msgstr ""
|
dongsheng@627
|
9329
|
dongsheng@627
|
9330 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9331 #: ../en/ch08-undo.xml:531
|
dongsheng@627
|
9332 msgid ""
|
dongsheng@627
|
9333 "It remembers the current parent of the working directory. Let's call this "
|
dongsheng@627
|
9334 "changeset <literal>orig</literal>"
|
dongsheng@627
|
9335 msgstr ""
|
dongsheng@627
|
9336
|
dongsheng@627
|
9337 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9338 #: ../en/ch08-undo.xml:535
|
dongsheng@627
|
9339 msgid ""
|
dongsheng@627
|
9340 "It does the equivalent of a <command role=\"hg-cmd\">hg update</command> to "
|
dongsheng@627
|
9341 "sync the working directory to the changeset you want to back out. Let's call "
|
dongsheng@627
|
9342 "this changeset <literal>backout</literal>"
|
dongsheng@627
|
9343 msgstr ""
|
dongsheng@627
|
9344
|
dongsheng@627
|
9345 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9346 #: ../en/ch08-undo.xml:540
|
dongsheng@627
|
9347 msgid ""
|
dongsheng@627
|
9348 "It finds the parent of that changeset. Let's call that changeset "
|
dongsheng@627
|
9349 "<literal>parent</literal>."
|
dongsheng@627
|
9350 msgstr ""
|
dongsheng@627
|
9351
|
dongsheng@627
|
9352 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9353 #: ../en/ch08-undo.xml:543
|
dongsheng@627
|
9354 msgid ""
|
dongsheng@627
|
9355 "For each file that the <literal>backout</literal> changeset affected, it does "
|
dongsheng@627
|
9356 "the equivalent of a <command role=\"hg-cmd\">hg revert -r parent</command> on "
|
dongsheng@627
|
9357 "that file, to restore it to the contents it had before that changeset was "
|
dongsheng@627
|
9358 "committed."
|
dongsheng@627
|
9359 msgstr ""
|
dongsheng@627
|
9360
|
dongsheng@627
|
9361 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9362 #: ../en/ch08-undo.xml:550
|
dongsheng@627
|
9363 msgid ""
|
dongsheng@627
|
9364 "It commits the result as a new changeset. This changeset has "
|
dongsheng@627
|
9365 "<literal>backout</literal> as its parent."
|
dongsheng@627
|
9366 msgstr ""
|
dongsheng@627
|
9367
|
dongsheng@627
|
9368 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9369 #: ../en/ch08-undo.xml:554
|
dongsheng@627
|
9370 msgid ""
|
dongsheng@627
|
9371 "If you specify <option role=\"hg-opt-backout\">--merge</option> on the "
|
dongsheng@627
|
9372 "command line, it merges with <literal>orig</literal>, and commits the result "
|
dongsheng@627
|
9373 "of the merge."
|
dongsheng@627
|
9374 msgstr ""
|
dongsheng@627
|
9375
|
dongsheng@627
|
9376 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9377 #: ../en/ch08-undo.xml:560
|
dongsheng@627
|
9378 msgid ""
|
dongsheng@627
|
9379 "An alternative way to implement the <command role=\"hg-cmd\">hg backout</"
|
dongsheng@627
|
9380 "command> command would be to <command role=\"hg-cmd\">hg export</command> the "
|
dongsheng@627
|
9381 "to-be-backed-out changeset as a diff, then use the <option role=\"cmd-opt-"
|
dongsheng@627
|
9382 "patch\">--reverse</option> option to the <command>patch</command> command to "
|
dongsheng@627
|
9383 "reverse the effect of the change without fiddling with the working "
|
dongsheng@627
|
9384 "directory. This sounds much simpler, but it would not work nearly as well."
|
dongsheng@627
|
9385 msgstr ""
|
dongsheng@627
|
9386
|
dongsheng@627
|
9387 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9388 #: ../en/ch08-undo.xml:570
|
dongsheng@627
|
9389 msgid ""
|
dongsheng@627
|
9390 "The reason that <command role=\"hg-cmd\">hg backout</command> does an update, "
|
dongsheng@627
|
9391 "a commit, a merge, and another commit is to give the merge machinery the best "
|
dongsheng@627
|
9392 "chance to do a good job when dealing with all the changes <emphasis>between</"
|
dongsheng@627
|
9393 "emphasis> the change you're backing out and the current tip."
|
dongsheng@627
|
9394 msgstr ""
|
dongsheng@627
|
9395
|
dongsheng@627
|
9396 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9397 #: ../en/ch08-undo.xml:577
|
dongsheng@627
|
9398 msgid ""
|
dongsheng@627
|
9399 "If you're backing out a changeset that's 100 revisions back in your project's "
|
dongsheng@627
|
9400 "history, the chances that the <command>patch</command> command will be able "
|
dongsheng@627
|
9401 "to apply a reverse diff cleanly are not good, because intervening changes are "
|
dongsheng@627
|
9402 "likely to have <quote>broken the context</quote> that <command>patch</"
|
dongsheng@627
|
9403 "command> uses to determine whether it can apply a patch (if this sounds like "
|
songdongsheng@658
|
9404 "gibberish, see <xref linkend=\"sec:mq:patch\"/> for a discussion of the "
|
dongsheng@627
|
9405 "<command>patch</command> command). Also, Mercurial's merge machinery will "
|
dongsheng@627
|
9406 "handle files and directories being renamed, permission changes, and "
|
dongsheng@627
|
9407 "modifications to binary files, none of which <command>patch</command> can "
|
dongsheng@627
|
9408 "deal with."
|
dongsheng@627
|
9409 msgstr ""
|
dongsheng@627
|
9410
|
dongsheng@627
|
9411 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
9412 #: ../en/ch08-undo.xml:594
|
dongsheng@627
|
9413 msgid "Changes that should never have been"
|
dongsheng@635
|
9414 msgstr "不该发生的修改"
|
dongsheng@627
|
9415
|
dongsheng@627
|
9416 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9417 #: ../en/ch08-undo.xml:596
|
dongsheng@627
|
9418 msgid ""
|
dongsheng@627
|
9419 "Most of the time, the <command role=\"hg-cmd\">hg backout</command> command "
|
dongsheng@627
|
9420 "is exactly what you need if you want to undo the effects of a change. It "
|
dongsheng@627
|
9421 "leaves a permanent record of exactly what you did, both when committing the "
|
dongsheng@627
|
9422 "original changeset and when you cleaned up after it."
|
dongsheng@627
|
9423 msgstr ""
|
dongsheng@627
|
9424
|
dongsheng@627
|
9425 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9426 #: ../en/ch08-undo.xml:602
|
dongsheng@627
|
9427 msgid ""
|
dongsheng@627
|
9428 "On rare occasions, though, you may find that you've committed a change that "
|
dongsheng@627
|
9429 "really should not be present in the repository at all. For example, it would "
|
dongsheng@627
|
9430 "be very unusual, and usually considered a mistake, to commit a software "
|
dongsheng@627
|
9431 "project's object files as well as its source files. Object files have almost "
|
dongsheng@627
|
9432 "no intrinsic value, and they're <emphasis>big</emphasis>, so they increase "
|
dongsheng@627
|
9433 "the size of the repository and the amount of time it takes to clone or pull "
|
dongsheng@627
|
9434 "changes."
|
dongsheng@627
|
9435 msgstr ""
|
dongsheng@627
|
9436
|
dongsheng@627
|
9437 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9438 #: ../en/ch08-undo.xml:611
|
dongsheng@627
|
9439 msgid ""
|
dongsheng@627
|
9440 "Before I discuss the options that you have if you commit a <quote>brown paper "
|
dongsheng@627
|
9441 "bag</quote> change (the kind that's so bad that you want to pull a brown "
|
dongsheng@627
|
9442 "paper bag over your head), let me first discuss some approaches that probably "
|
dongsheng@627
|
9443 "won't work."
|
dongsheng@627
|
9444 msgstr ""
|
dongsheng@627
|
9445
|
dongsheng@627
|
9446 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9447 #: ../en/ch08-undo.xml:616
|
dongsheng@627
|
9448 msgid ""
|
songdongsheng@668
|
9449 "Since Mercurial treats history as accumulative&emdash;every change builds on "
|
songdongsheng@668
|
9450 "top of all changes that preceded it&emdash;you generally can't just make "
|
songdongsheng@668
|
9451 "disastrous changes disappear. The one exception is when you've just "
|
songdongsheng@668
|
9452 "committed a change, and it hasn't been pushed or pulled into another "
|
songdongsheng@668
|
9453 "repository. That's when you can safely use the <command role=\"hg-cmd\">hg "
|
songdongsheng@668
|
9454 "rollback</command> command, as I detailed in <xref linkend=\"sec:undo:rollback"
|
songdongsheng@668
|
9455 "\"/>."
|
songdongsheng@658
|
9456 msgstr ""
|
songdongsheng@658
|
9457
|
songdongsheng@658
|
9458 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9459 #: ../en/ch08-undo.xml:625
|
dongsheng@627
|
9460 msgid ""
|
dongsheng@627
|
9461 "After you've pushed a bad change to another repository, you <emphasis>could</"
|
dongsheng@627
|
9462 "emphasis> still use <command role=\"hg-cmd\">hg rollback</command> to make "
|
dongsheng@627
|
9463 "your local copy of the change disappear, but it won't have the consequences "
|
dongsheng@627
|
9464 "you want. The change will still be present in the remote repository, so it "
|
dongsheng@627
|
9465 "will reappear in your local repository the next time you pull."
|
dongsheng@627
|
9466 msgstr ""
|
dongsheng@627
|
9467
|
dongsheng@627
|
9468 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9469 #: ../en/ch08-undo.xml:633
|
dongsheng@627
|
9470 msgid ""
|
dongsheng@627
|
9471 "If a situation like this arises, and you know which repositories your bad "
|
dongsheng@627
|
9472 "change has propagated into, you can <emphasis>try</emphasis> to get rid of "
|
dongsheng@627
|
9473 "the changeefrom <emphasis>every</emphasis> one of those repositories. This "
|
dongsheng@627
|
9474 "is, of course, not a satisfactory solution: if you miss even a single "
|
dongsheng@627
|
9475 "repository while you're expunging, the change is still <quote>in the wild</"
|
dongsheng@627
|
9476 "quote>, and could propagate further."
|
dongsheng@627
|
9477 msgstr ""
|
dongsheng@627
|
9478
|
dongsheng@627
|
9479 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9480 #: ../en/ch08-undo.xml:641
|
dongsheng@627
|
9481 msgid ""
|
dongsheng@627
|
9482 "If you've committed one or more changes <emphasis>after</emphasis> the change "
|
dongsheng@627
|
9483 "that you'd like to see disappear, your options are further reduced. Mercurial "
|
dongsheng@627
|
9484 "doesn't provide a way to <quote>punch a hole</quote> in history, leaving "
|
dongsheng@627
|
9485 "changesets intact."
|
dongsheng@627
|
9486 msgstr ""
|
dongsheng@627
|
9487
|
dongsheng@627
|
9488 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9489 #: ../en/ch08-undo.xml:647
|
dongsheng@627
|
9490 msgid ""
|
dongsheng@627
|
9491 "XXX This needs filling out. The <literal>hg-replay</literal> script in the "
|
dongsheng@627
|
9492 "<literal>examples</literal> directory works, but doesn't handle merge "
|
dongsheng@627
|
9493 "changesets. Kind of an important omission."
|
dongsheng@627
|
9494 msgstr ""
|
dongsheng@627
|
9495
|
dongsheng@627
|
9496 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9497 #: ../en/ch08-undo.xml:653
|
dongsheng@627
|
9498 msgid "Protect yourself from <quote>escaped</quote> changes"
|
dongsheng@635
|
9499 msgstr "使用<quote>校验</quote>修改来保护你自己"
|
dongsheng@627
|
9500
|
dongsheng@627
|
9501 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9502 #: ../en/ch08-undo.xml:656
|
dongsheng@627
|
9503 msgid ""
|
dongsheng@627
|
9504 "If you've committed some changes to your local repository and they've been "
|
dongsheng@627
|
9505 "pushed or pulled somewhere else, this isn't necessarily a disaster. You can "
|
dongsheng@627
|
9506 "protect yourself ahead of time against some classes of bad changeset. This "
|
dongsheng@627
|
9507 "is particularly easy if your team usually pulls changes from a central "
|
dongsheng@627
|
9508 "repository."
|
dongsheng@627
|
9509 msgstr ""
|
dongsheng@627
|
9510
|
dongsheng@627
|
9511 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9512 #: ../en/ch08-undo.xml:663
|
dongsheng@627
|
9513 msgid ""
|
dongsheng@627
|
9514 "By configuring some hooks on that repository to validate incoming changesets "
|
songdongsheng@658
|
9515 "(see chapter <xref linkend=\"chap:hook\"/>), you can automatically prevent "
|
dongsheng@627
|
9516 "some kinds of bad changeset from being pushed to the central repository at "
|
dongsheng@627
|
9517 "all. With such a configuration in place, some kinds of bad changeset will "
|
dongsheng@627
|
9518 "naturally tend to <quote>die out</quote> because they can't propagate into "
|
dongsheng@627
|
9519 "the central repository. Better yet, this happens without any need for "
|
dongsheng@627
|
9520 "explicit intervention."
|
dongsheng@627
|
9521 msgstr ""
|
dongsheng@627
|
9522
|
dongsheng@627
|
9523 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9524 #: ../en/ch08-undo.xml:673
|
dongsheng@627
|
9525 msgid ""
|
dongsheng@627
|
9526 "For instance, an incoming change hook that verifies that a changeset will "
|
dongsheng@627
|
9527 "actually compile can prevent people from inadvertantly <quote>breaking the "
|
dongsheng@627
|
9528 "build</quote>."
|
dongsheng@627
|
9529 msgstr ""
|
dongsheng@627
|
9530
|
dongsheng@627
|
9531 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
9532 #: ../en/ch08-undo.xml:680
|
dongsheng@627
|
9533 msgid "Finding the source of a bug"
|
dongsheng@635
|
9534 msgstr "查找问题的根源"
|
dongsheng@627
|
9535
|
dongsheng@627
|
9536 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9537 #: ../en/ch08-undo.xml:682
|
dongsheng@627
|
9538 msgid ""
|
dongsheng@627
|
9539 "While it's all very well to be able to back out a changeset that introduced a "
|
dongsheng@627
|
9540 "bug, this requires that you know which changeset to back out. Mercurial "
|
dongsheng@627
|
9541 "provides an invaluable command, called <command role=\"hg-cmd\">hg bisect</"
|
dongsheng@627
|
9542 "command>, that helps you to automate this process and accomplish it very "
|
dongsheng@627
|
9543 "efficiently."
|
dongsheng@627
|
9544 msgstr ""
|
dongsheng@627
|
9545
|
dongsheng@627
|
9546 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9547 #: ../en/ch08-undo.xml:689
|
dongsheng@627
|
9548 msgid ""
|
dongsheng@627
|
9549 "The idea behind the <command role=\"hg-cmd\">hg bisect</command> command is "
|
dongsheng@627
|
9550 "that a changeset has introduced some change of behaviour that you can "
|
dongsheng@627
|
9551 "identify with a simple binary test. You don't know which piece of code "
|
dongsheng@627
|
9552 "introduced the change, but you know how to test for the presence of the bug. "
|
dongsheng@627
|
9553 "The <command role=\"hg-cmd\">hg bisect</command> command uses your test to "
|
dongsheng@627
|
9554 "direct its search for the changeset that introduced the code that caused the "
|
dongsheng@627
|
9555 "bug."
|
dongsheng@627
|
9556 msgstr ""
|
dongsheng@627
|
9557
|
dongsheng@627
|
9558 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9559 #: ../en/ch08-undo.xml:698
|
dongsheng@627
|
9560 msgid ""
|
dongsheng@627
|
9561 "Here are a few scenarios to help you understand how you might apply this "
|
dongsheng@627
|
9562 "command."
|
dongsheng@627
|
9563 msgstr ""
|
dongsheng@627
|
9564
|
dongsheng@627
|
9565 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
9566 #: ../en/ch08-undo.xml:701
|
dongsheng@627
|
9567 msgid ""
|
dongsheng@627
|
9568 "The most recent version of your software has a bug that you remember wasn't "
|
dongsheng@627
|
9569 "present a few weeks ago, but you don't know when it was introduced. Here, "
|
dongsheng@627
|
9570 "your binary test checks for the presence of that bug."
|
dongsheng@627
|
9571 msgstr ""
|
dongsheng@627
|
9572
|
dongsheng@627
|
9573 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
9574 #: ../en/ch08-undo.xml:706
|
dongsheng@627
|
9575 msgid ""
|
dongsheng@627
|
9576 "You fixed a bug in a rush, and now it's time to close the entry in your "
|
dongsheng@627
|
9577 "team's bug database. The bug database requires a changeset ID when you close "
|
dongsheng@627
|
9578 "an entry, but you don't remember which changeset you fixed the bug in. Once "
|
dongsheng@627
|
9579 "again, your binary test checks for the presence of the bug."
|
dongsheng@627
|
9580 msgstr ""
|
dongsheng@627
|
9581
|
dongsheng@627
|
9582 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
9583 #: ../en/ch08-undo.xml:713
|
dongsheng@627
|
9584 msgid ""
|
dongsheng@627
|
9585 "Your software works correctly, but runs 15% slower than the last time you "
|
dongsheng@627
|
9586 "measured it. You want to know which changeset introduced the performance "
|
dongsheng@627
|
9587 "regression. In this case, your binary test measures the performance of your "
|
dongsheng@627
|
9588 "software, to see whether it's <quote>fast</quote> or <quote>slow</quote>."
|
dongsheng@627
|
9589 msgstr ""
|
dongsheng@627
|
9590
|
dongsheng@627
|
9591 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
9592 #: ../en/ch08-undo.xml:720
|
dongsheng@627
|
9593 msgid ""
|
dongsheng@627
|
9594 "The sizes of the components of your project that you ship exploded recently, "
|
dongsheng@627
|
9595 "and you suspect that something changed in the way you build your project."
|
dongsheng@627
|
9596 msgstr ""
|
dongsheng@627
|
9597
|
dongsheng@627
|
9598 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9599 #: ../en/ch08-undo.xml:725
|
dongsheng@627
|
9600 msgid ""
|
dongsheng@627
|
9601 "From these examples, it should be clear that the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
9602 "bisect</command> command is not useful only for finding the sources of bugs. "
|
dongsheng@627
|
9603 "You can use it to find any <quote>emergent property</quote> of a repository "
|
dongsheng@627
|
9604 "(anything that you can't find from a simple text search of the files in the "
|
dongsheng@627
|
9605 "tree) for which you can write a binary test."
|
dongsheng@627
|
9606 msgstr ""
|
dongsheng@627
|
9607
|
dongsheng@627
|
9608 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9609 #: ../en/ch08-undo.xml:732
|
dongsheng@627
|
9610 msgid ""
|
dongsheng@627
|
9611 "We'll introduce a little bit of terminology here, just to make it clear which "
|
dongsheng@627
|
9612 "parts of the search process are your responsibility, and which are "
|
dongsheng@627
|
9613 "Mercurial's. A <emphasis>test</emphasis> is something that <emphasis>you</"
|
dongsheng@627
|
9614 "emphasis> run when <command role=\"hg-cmd\">hg bisect</command> chooses a "
|
dongsheng@627
|
9615 "changeset. A <emphasis>probe</emphasis> is what <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
9616 "bisect</command> runs to tell whether a revision is good. Finally, we'll use "
|
dongsheng@627
|
9617 "the word <quote>bisect</quote>, as both a noun and a verb, to stand in for "
|
dongsheng@627
|
9618 "the phrase <quote>search using the <command role=\"hg-cmd\">hg bisect</"
|
dongsheng@627
|
9619 "command> command</quote>."
|
dongsheng@627
|
9620 msgstr ""
|
dongsheng@627
|
9621
|
dongsheng@627
|
9622 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9623 #: ../en/ch08-undo.xml:745
|
dongsheng@627
|
9624 msgid ""
|
dongsheng@627
|
9625 "One simple way to automate the searching process would be simply to probe "
|
dongsheng@627
|
9626 "every changeset. However, this scales poorly. If it took ten minutes to "
|
dongsheng@627
|
9627 "test a single changeset, and you had 10,000 changesets in your repository, "
|
dongsheng@627
|
9628 "the exhaustive approach would take on average 35 <emphasis>days</emphasis> to "
|
dongsheng@627
|
9629 "find the changeset that introduced a bug. Even if you knew that the bug was "
|
dongsheng@627
|
9630 "introduced by one of the last 500 changesets, and limited your search to "
|
dongsheng@627
|
9631 "those, you'd still be looking at over 40 hours to find the changeset that "
|
dongsheng@627
|
9632 "introduced your bug."
|
dongsheng@627
|
9633 msgstr ""
|
dongsheng@627
|
9634
|
dongsheng@627
|
9635 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9636 #: ../en/ch08-undo.xml:755
|
dongsheng@627
|
9637 msgid ""
|
dongsheng@627
|
9638 "What the <command role=\"hg-cmd\">hg bisect</command> command does is use its "
|
dongsheng@627
|
9639 "knowledge of the <quote>shape</quote> of your project's revision history to "
|
dongsheng@627
|
9640 "perform a search in time proportional to the <emphasis>logarithm</emphasis> "
|
dongsheng@627
|
9641 "of the number of changesets to check (the kind of search it performs is "
|
dongsheng@627
|
9642 "called a dichotomic search). With this approach, searching through 10,000 "
|
dongsheng@627
|
9643 "changesets will take less than three hours, even at ten minutes per test (the "
|
dongsheng@627
|
9644 "search will require about 14 tests). Limit your search to the last hundred "
|
dongsheng@627
|
9645 "changesets, and it will take only about an hour (roughly seven tests)."
|
dongsheng@627
|
9646 msgstr ""
|
dongsheng@627
|
9647
|
dongsheng@627
|
9648 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
9649 #: ../en/ch08-undo.xml:766
|
dongsheng@627
|
9650 msgid ""
|
dongsheng@627
|
9651 "The <command role=\"hg-cmd\">hg bisect</command> command is aware of the "
|
dongsheng@627
|
9652 "<quote>branchy</quote> nature of a Mercurial project's revision history, so "
|
dongsheng@627
|
9653 "it has no problems dealing with branches, merges, or multiple heads in a "
|
dongsheng@627
|
9654 "repository. It can prune entire branches of history with a single probe, "
|
dongsheng@627
|
9655 "which is how it operates so efficiently."
|
dongsheng@627
|
9656 msgstr ""
|
dongsheng@627
|
9657
|
dongsheng@627
|
9658 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9659 #: ../en/ch08-undo.xml:774
|
dongsheng@627
|
9660 msgid "Using the <command role=\"hg-cmd\">hg bisect</command> command"
|
dongsheng@635
|
9661 msgstr "使用命令 <command role=\"hg-cmd\">hg bisect</command>"
|
dongsheng@627
|
9662
|
dongsheng@627
|
9663 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9664 #: ../en/ch08-undo.xml:777
|
dongsheng@627
|
9665 msgid ""
|
dongsheng@627
|
9666 "Here's an example of <command role=\"hg-cmd\">hg bisect</command> in action."
|
dongsheng@627
|
9667 msgstr ""
|
dongsheng@627
|
9668
|
dongsheng@627
|
9669 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
songdongsheng@658
|
9670 #: ../en/ch08-undo.xml:781
|
dongsheng@627
|
9671 msgid ""
|
dongsheng@627
|
9672 "In versions 0.9.5 and earlier of Mercurial, <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
9673 "bisect</command> was not a core command: it was distributed with Mercurial as "
|
dongsheng@627
|
9674 "an extension. This section describes the built-in command, not the old "
|
dongsheng@627
|
9675 "extension."
|
dongsheng@627
|
9676 msgstr ""
|
dongsheng@627
|
9677
|
dongsheng@627
|
9678 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9679 #: ../en/ch08-undo.xml:788
|
dongsheng@627
|
9680 msgid ""
|
dongsheng@627
|
9681 "Now let's create a repository, so that we can try out the <command role=\"hg-"
|
dongsheng@627
|
9682 "cmd\">hg bisect</command> command in isolation."
|
dongsheng@627
|
9683 msgstr ""
|
dongsheng@627
|
9684
|
dongsheng@627
|
9685 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9686 #: ../en/ch08-undo.xml:794
|
dongsheng@627
|
9687 msgid ""
|
dongsheng@627
|
9688 "We'll simulate a project that has a bug in it in a simple-minded way: create "
|
dongsheng@627
|
9689 "trivial changes in a loop, and nominate one specific change that will have "
|
dongsheng@627
|
9690 "the <quote>bug</quote>. This loop creates 35 changesets, each adding a "
|
dongsheng@627
|
9691 "single file to the repository. We'll represent our <quote>bug</quote> with a "
|
dongsheng@627
|
9692 "file that contains the text <quote>i have a gub</quote>."
|
dongsheng@627
|
9693 msgstr ""
|
dongsheng@627
|
9694
|
dongsheng@627
|
9695 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9696 #: ../en/ch08-undo.xml:804
|
dongsheng@627
|
9697 msgid ""
|
dongsheng@627
|
9698 "The next thing that we'd like to do is figure out how to use the <command "
|
dongsheng@627
|
9699 "role=\"hg-cmd\">hg bisect</command> command. We can use Mercurial's normal "
|
dongsheng@627
|
9700 "built-in help mechanism for this."
|
dongsheng@627
|
9701 msgstr ""
|
dongsheng@627
|
9702
|
dongsheng@627
|
9703 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9704 #: ../en/ch08-undo.xml:811
|
dongsheng@627
|
9705 msgid ""
|
dongsheng@627
|
9706 "The <command role=\"hg-cmd\">hg bisect</command> command works in steps. "
|
dongsheng@627
|
9707 "Each step proceeds as follows."
|
dongsheng@627
|
9708 msgstr ""
|
dongsheng@627
|
9709
|
dongsheng@627
|
9710 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9711 #: ../en/ch08-undo.xml:814
|
dongsheng@627
|
9712 msgid "You run your binary test."
|
dongsheng@627
|
9713 msgstr ""
|
dongsheng@627
|
9714
|
dongsheng@627
|
9715 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><itemizedlist><listitem><para>
|
songdongsheng@658
|
9716 #: ../en/ch08-undo.xml:816
|
dongsheng@627
|
9717 msgid ""
|
dongsheng@627
|
9718 "If the test succeeded, you tell <command role=\"hg-cmd\">hg bisect</command> "
|
dongsheng@627
|
9719 "by running the <command role=\"hg-cmd\">hg bisect good</command> command."
|
dongsheng@627
|
9720 msgstr ""
|
dongsheng@627
|
9721
|
dongsheng@627
|
9722 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><itemizedlist><listitem><para>
|
songdongsheng@658
|
9723 #: ../en/ch08-undo.xml:821
|
dongsheng@627
|
9724 msgid ""
|
dongsheng@627
|
9725 "If it failed, run the <command role=\"hg-cmd\">hg bisect bad</command> "
|
dongsheng@627
|
9726 "command."
|
dongsheng@627
|
9727 msgstr ""
|
dongsheng@627
|
9728
|
dongsheng@627
|
9729 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9730 #: ../en/ch08-undo.xml:825
|
dongsheng@627
|
9731 msgid ""
|
dongsheng@627
|
9732 "The command uses your information to decide which changeset to test next."
|
dongsheng@627
|
9733 msgstr ""
|
dongsheng@627
|
9734
|
dongsheng@627
|
9735 #. type: Content of: <book><chapter><sect1><sect2><orderedlist><listitem><para>
|
songdongsheng@658
|
9736 #: ../en/ch08-undo.xml:828
|
dongsheng@627
|
9737 msgid ""
|
dongsheng@627
|
9738 "It updates the working directory to that changeset, and the process begins "
|
dongsheng@627
|
9739 "again."
|
dongsheng@627
|
9740 msgstr ""
|
dongsheng@627
|
9741
|
dongsheng@627
|
9742 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9743 #: ../en/ch08-undo.xml:831
|
dongsheng@627
|
9744 msgid ""
|
dongsheng@627
|
9745 "The process ends when <command role=\"hg-cmd\">hg bisect</command> identifies "
|
dongsheng@627
|
9746 "a unique changeset that marks the point where your test transitioned from "
|
dongsheng@627
|
9747 "<quote>succeeding</quote> to <quote>failing</quote>."
|
dongsheng@627
|
9748 msgstr ""
|
dongsheng@627
|
9749
|
dongsheng@627
|
9750 #
|
dongsheng@627
|
9751 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9752 #: ../en/ch08-undo.xml:836
|
dongsheng@627
|
9753 msgid ""
|
dongsheng@627
|
9754 "To start the search, we must run the <command role=\"hg-cmd\">hg bisect --"
|
dongsheng@627
|
9755 "reset</command> command."
|
dongsheng@627
|
9756 msgstr ""
|
dongsheng@627
|
9757
|
dongsheng@627
|
9758 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9759 #: ../en/ch08-undo.xml:841
|
dongsheng@627
|
9760 msgid ""
|
dongsheng@627
|
9761 "In our case, the binary test we use is simple: we check to see if any file in "
|
dongsheng@627
|
9762 "the repository contains the string <quote>i have a gub</quote>. If it does, "
|
dongsheng@627
|
9763 "this changeset contains the change that <quote>caused the bug</quote>. By "
|
dongsheng@627
|
9764 "convention, a changeset that has the property we're searching for is "
|
dongsheng@627
|
9765 "<quote>bad</quote>, while one that doesn't is <quote>good</quote>."
|
dongsheng@627
|
9766 msgstr ""
|
dongsheng@627
|
9767
|
dongsheng@627
|
9768 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9769 #: ../en/ch08-undo.xml:849
|
dongsheng@627
|
9770 msgid ""
|
dongsheng@627
|
9771 "Most of the time, the revision to which the working directory is synced "
|
dongsheng@627
|
9772 "(usually the tip) already exhibits the problem introduced by the buggy "
|
dongsheng@627
|
9773 "change, so we'll mark it as <quote>bad</quote>."
|
dongsheng@627
|
9774 msgstr ""
|
dongsheng@627
|
9775
|
dongsheng@627
|
9776 #
|
dongsheng@627
|
9777 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9778 #: ../en/ch08-undo.xml:856
|
dongsheng@627
|
9779 msgid ""
|
dongsheng@627
|
9780 "Our next task is to nominate a changeset that we know <emphasis>doesn't</"
|
dongsheng@627
|
9781 "emphasis> have the bug; the <command role=\"hg-cmd\">hg bisect</command> "
|
dongsheng@627
|
9782 "command will <quote>bracket</quote> its search between the first pair of good "
|
dongsheng@627
|
9783 "and bad changesets. In our case, we know that revision 10 didn't have the "
|
dongsheng@627
|
9784 "bug. (I'll have more words about choosing the first <quote>good</quote> "
|
dongsheng@627
|
9785 "changeset later.)"
|
dongsheng@627
|
9786 msgstr ""
|
dongsheng@627
|
9787
|
dongsheng@627
|
9788 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9789 #: ../en/ch08-undo.xml:866
|
dongsheng@627
|
9790 msgid "Notice that this command printed some output."
|
dongsheng@627
|
9791 msgstr ""
|
dongsheng@627
|
9792
|
dongsheng@627
|
9793 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9794 #: ../en/ch08-undo.xml:868
|
dongsheng@627
|
9795 msgid ""
|
dongsheng@627
|
9796 "It told us how many changesets it must consider before it can identify the "
|
dongsheng@627
|
9797 "one that introduced the bug, and how many tests that will require."
|
dongsheng@627
|
9798 msgstr ""
|
dongsheng@627
|
9799
|
dongsheng@627
|
9800 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9801 #: ../en/ch08-undo.xml:872
|
dongsheng@627
|
9802 msgid ""
|
dongsheng@627
|
9803 "It updated the working directory to the next changeset to test, and told us "
|
dongsheng@627
|
9804 "which changeset it's testing."
|
dongsheng@627
|
9805 msgstr ""
|
dongsheng@627
|
9806
|
dongsheng@627
|
9807 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9808 #: ../en/ch08-undo.xml:877
|
dongsheng@627
|
9809 msgid ""
|
dongsheng@627
|
9810 "We now run our test in the working directory. We use the <command>grep</"
|
dongsheng@627
|
9811 "command> command to see if our <quote>bad</quote> file is present in the "
|
dongsheng@627
|
9812 "working directory. If it is, this revision is bad; if not, this revision is "
|
dongsheng@627
|
9813 "good. &interaction.bisect.search.step1;"
|
dongsheng@627
|
9814 msgstr ""
|
dongsheng@627
|
9815
|
dongsheng@627
|
9816 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9817 #: ../en/ch08-undo.xml:883
|
dongsheng@627
|
9818 msgid ""
|
dongsheng@627
|
9819 "This test looks like a perfect candidate for automation, so let's turn it "
|
dongsheng@627
|
9820 "into a shell function."
|
dongsheng@627
|
9821 msgstr ""
|
dongsheng@627
|
9822
|
dongsheng@627
|
9823 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9824 #: ../en/ch08-undo.xml:887
|
dongsheng@627
|
9825 msgid ""
|
dongsheng@627
|
9826 "We can now run an entire test step with a single command, <literal>mytest</"
|
dongsheng@627
|
9827 "literal>."
|
dongsheng@627
|
9828 msgstr ""
|
dongsheng@627
|
9829
|
dongsheng@627
|
9830 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9831 #: ../en/ch08-undo.xml:892
|
dongsheng@627
|
9832 msgid "A few more invocations of our canned test step command, and we're done."
|
dongsheng@627
|
9833 msgstr ""
|
dongsheng@627
|
9834
|
dongsheng@627
|
9835 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9836 #: ../en/ch08-undo.xml:897
|
dongsheng@627
|
9837 msgid ""
|
dongsheng@627
|
9838 "Even though we had 40 changesets to search through, the <command role=\"hg-cmd"
|
dongsheng@627
|
9839 "\">hg bisect</command> command let us find the changeset that introduced our "
|
dongsheng@627
|
9840 "<quote>bug</quote> with only five tests. Because the number of tests that "
|
dongsheng@627
|
9841 "the <command role=\"hg-cmd\">hg bisect</command> command performs grows "
|
dongsheng@627
|
9842 "logarithmically with the number of changesets to search, the advantage that "
|
dongsheng@627
|
9843 "it has over the <quote>brute force</quote> search approach increases with "
|
dongsheng@627
|
9844 "every changeset you add."
|
dongsheng@627
|
9845 msgstr ""
|
dongsheng@627
|
9846
|
dongsheng@627
|
9847 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9848 #: ../en/ch08-undo.xml:908
|
dongsheng@627
|
9849 msgid "Cleaning up after your search"
|
dongsheng@635
|
9850 msgstr "搜索后的清理"
|
dongsheng@627
|
9851
|
dongsheng@627
|
9852 #
|
dongsheng@627
|
9853 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9854 #: ../en/ch08-undo.xml:910
|
dongsheng@627
|
9855 msgid ""
|
dongsheng@627
|
9856 "When you're finished using the <command role=\"hg-cmd\">hg bisect</command> "
|
dongsheng@627
|
9857 "command in a repository, you can use the <command role=\"hg-cmd\">hg bisect "
|
dongsheng@627
|
9858 "reset</command> command to drop the information it was using to drive your "
|
dongsheng@627
|
9859 "search. The command doesn't use much space, so it doesn't matter if you "
|
dongsheng@627
|
9860 "forget to run this command. However, <command role=\"hg-cmd\">hg bisect</"
|
dongsheng@627
|
9861 "command> won't let you start a new search in that repository until you do a "
|
dongsheng@627
|
9862 "<command role=\"hg-cmd\">hg bisect reset</command>."
|
dongsheng@627
|
9863 msgstr ""
|
dongsheng@627
|
9864
|
dongsheng@627
|
9865 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
9866 #: ../en/ch08-undo.xml:925
|
dongsheng@627
|
9867 msgid "Tips for finding bugs effectively"
|
dongsheng@635
|
9868 msgstr "有效查找问题的技巧"
|
dongsheng@627
|
9869
|
dongsheng@627
|
9870 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9871 #: ../en/ch08-undo.xml:928
|
dongsheng@627
|
9872 msgid "Give consistent input"
|
dongsheng@635
|
9873 msgstr "给出一致的输入"
|
dongsheng@627
|
9874
|
dongsheng@627
|
9875 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9876 #: ../en/ch08-undo.xml:930
|
dongsheng@627
|
9877 msgid ""
|
dongsheng@627
|
9878 "The <command role=\"hg-cmd\">hg bisect</command> command requires that you "
|
dongsheng@627
|
9879 "correctly report the result of every test you perform. If you tell it that a "
|
dongsheng@627
|
9880 "test failed when it really succeeded, it <emphasis>might</emphasis> be able "
|
dongsheng@627
|
9881 "to detect the inconsistency. If it can identify an inconsistency in your "
|
dongsheng@627
|
9882 "reports, it will tell you that a particular changeset is both good and bad. "
|
dongsheng@627
|
9883 "However, it can't do this perfectly; it's about as likely to report the wrong "
|
dongsheng@627
|
9884 "changeset as the source of the bug."
|
dongsheng@627
|
9885 msgstr ""
|
dongsheng@627
|
9886
|
dongsheng@627
|
9887 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9888 #: ../en/ch08-undo.xml:942
|
dongsheng@627
|
9889 msgid "Automate as much as possible"
|
dongsheng@635
|
9890 msgstr "尽量自动"
|
dongsheng@627
|
9891
|
dongsheng@627
|
9892 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9893 #: ../en/ch08-undo.xml:944
|
dongsheng@627
|
9894 msgid ""
|
dongsheng@627
|
9895 "When I started using the <command role=\"hg-cmd\">hg bisect</command> "
|
dongsheng@627
|
9896 "command, I tried a few times to run my tests by hand, on the command line. "
|
dongsheng@627
|
9897 "This is an approach that I, at least, am not suited to. After a few tries, I "
|
dongsheng@627
|
9898 "found that I was making enough mistakes that I was having to restart my "
|
dongsheng@627
|
9899 "searches several times before finally getting correct results."
|
dongsheng@627
|
9900 msgstr ""
|
dongsheng@627
|
9901
|
dongsheng@627
|
9902 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9903 #: ../en/ch08-undo.xml:952
|
dongsheng@627
|
9904 msgid ""
|
dongsheng@627
|
9905 "My initial problems with driving the <command role=\"hg-cmd\">hg bisect</"
|
dongsheng@627
|
9906 "command> command by hand occurred even with simple searches on small "
|
dongsheng@627
|
9907 "repositories; if the problem you're looking for is more subtle, or the number "
|
dongsheng@627
|
9908 "of tests that <command role=\"hg-cmd\">hg bisect</command> must perform "
|
dongsheng@627
|
9909 "increases, the likelihood of operator error ruining the search is much "
|
dongsheng@627
|
9910 "higher. Once I started automating my tests, I had much better results."
|
dongsheng@627
|
9911 msgstr ""
|
dongsheng@627
|
9912
|
dongsheng@627
|
9913 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9914 #: ../en/ch08-undo.xml:961
|
dongsheng@627
|
9915 msgid "The key to automated testing is twofold:"
|
dongsheng@627
|
9916 msgstr ""
|
dongsheng@627
|
9917
|
dongsheng@627
|
9918 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9919 #: ../en/ch08-undo.xml:963
|
dongsheng@627
|
9920 msgid "always test for the same symptom, and"
|
dongsheng@627
|
9921 msgstr ""
|
dongsheng@627
|
9922
|
dongsheng@627
|
9923 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9924 #: ../en/ch08-undo.xml:965
|
dongsheng@627
|
9925 msgid ""
|
dongsheng@627
|
9926 "always feed consistent input to the <command role=\"hg-cmd\">hg bisect</"
|
dongsheng@627
|
9927 "command> command."
|
dongsheng@627
|
9928 msgstr ""
|
dongsheng@627
|
9929
|
dongsheng@627
|
9930 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9931 #: ../en/ch08-undo.xml:968
|
dongsheng@627
|
9932 msgid ""
|
dongsheng@627
|
9933 "In my tutorial example above, the <command>grep</command> command tests for "
|
dongsheng@627
|
9934 "the symptom, and the <literal>if</literal> statement takes the result of this "
|
dongsheng@627
|
9935 "check and ensures that we always feed the same input to the <command role="
|
dongsheng@627
|
9936 "\"hg-cmd\">hg bisect</command> command. The <literal>mytest</literal> "
|
dongsheng@627
|
9937 "function marries these together in a reproducible way, so that every test is "
|
dongsheng@627
|
9938 "uniform and consistent."
|
dongsheng@627
|
9939 msgstr ""
|
dongsheng@627
|
9940
|
dongsheng@627
|
9941 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9942 #: ../en/ch08-undo.xml:978
|
dongsheng@627
|
9943 msgid "Check your results"
|
dongsheng@635
|
9944 msgstr "检查你的结果"
|
dongsheng@627
|
9945
|
dongsheng@627
|
9946 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9947 #: ../en/ch08-undo.xml:980
|
dongsheng@627
|
9948 msgid ""
|
dongsheng@627
|
9949 "Because the output of a <command role=\"hg-cmd\">hg bisect</command> search "
|
dongsheng@627
|
9950 "is only as good as the input you give it, don't take the changeset it reports "
|
dongsheng@627
|
9951 "as the absolute truth. A simple way to cross-check its report is to manually "
|
dongsheng@627
|
9952 "run your test at each of the following changesets:"
|
dongsheng@627
|
9953 msgstr ""
|
dongsheng@627
|
9954
|
dongsheng@627
|
9955 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9956 #: ../en/ch08-undo.xml:986
|
dongsheng@627
|
9957 msgid ""
|
dongsheng@627
|
9958 "The changeset that it reports as the first bad revision. Your test should "
|
dongsheng@627
|
9959 "still report this as bad."
|
dongsheng@627
|
9960 msgstr ""
|
dongsheng@627
|
9961
|
dongsheng@627
|
9962 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9963 #: ../en/ch08-undo.xml:990
|
dongsheng@627
|
9964 msgid ""
|
dongsheng@627
|
9965 "The parent of that changeset (either parent, if it's a merge). Your test "
|
dongsheng@627
|
9966 "should report this changeset as good."
|
dongsheng@627
|
9967 msgstr ""
|
dongsheng@627
|
9968
|
dongsheng@627
|
9969 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
9970 #: ../en/ch08-undo.xml:994
|
dongsheng@627
|
9971 msgid ""
|
dongsheng@627
|
9972 "A child of that changeset. Your test should report this changeset as bad."
|
dongsheng@627
|
9973 msgstr ""
|
dongsheng@627
|
9974
|
dongsheng@627
|
9975 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
9976 #: ../en/ch08-undo.xml:1000
|
dongsheng@627
|
9977 msgid "Beware interference between bugs"
|
dongsheng@635
|
9978 msgstr "谨防问题之间的冲突"
|
dongsheng@627
|
9979
|
dongsheng@627
|
9980 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9981 #: ../en/ch08-undo.xml:1002
|
dongsheng@627
|
9982 msgid ""
|
dongsheng@627
|
9983 "It's possible that your search for one bug could be disrupted by the presence "
|
dongsheng@627
|
9984 "of another. For example, let's say your software crashes at revision 100, "
|
dongsheng@627
|
9985 "and worked correctly at revision 50. Unknown to you, someone else introduced "
|
dongsheng@627
|
9986 "a different crashing bug at revision 60, and fixed it at revision 80. This "
|
dongsheng@627
|
9987 "could distort your results in one of several ways."
|
dongsheng@627
|
9988 msgstr ""
|
dongsheng@627
|
9989
|
dongsheng@627
|
9990 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
9991 #: ../en/ch08-undo.xml:1010
|
dongsheng@627
|
9992 msgid ""
|
dongsheng@627
|
9993 "It is possible that this other bug completely <quote>masks</quote> yours, "
|
dongsheng@627
|
9994 "which is to say that it occurs before your bug has a chance to manifest "
|
dongsheng@627
|
9995 "itself. If you can't avoid that other bug (for example, it prevents your "
|
dongsheng@627
|
9996 "project from building), and so can't tell whether your bug is present in a "
|
dongsheng@627
|
9997 "particular changeset, the <command role=\"hg-cmd\">hg bisect</command> "
|
dongsheng@627
|
9998 "command cannot help you directly. Instead, you can mark a changeset as "
|
dongsheng@627
|
9999 "untested by running <command role=\"hg-cmd\">hg bisect --skip</command>."
|
dongsheng@627
|
10000 msgstr ""
|
dongsheng@627
|
10001
|
dongsheng@627
|
10002 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
10003 #: ../en/ch08-undo.xml:1020
|
dongsheng@627
|
10004 msgid ""
|
dongsheng@627
|
10005 "A different problem could arise if your test for a bug's presence is not "
|
dongsheng@627
|
10006 "specific enough. If you check for <quote>my program crashes</quote>, then "
|
dongsheng@627
|
10007 "both your crashing bug and an unrelated crashing bug that masks it will look "
|
dongsheng@627
|
10008 "like the same thing, and mislead <command role=\"hg-cmd\">hg bisect</command>."
|
dongsheng@627
|
10009 msgstr ""
|
dongsheng@627
|
10010
|
dongsheng@627
|
10011 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
10012 #: ../en/ch08-undo.xml:1027
|
dongsheng@627
|
10013 msgid ""
|
dongsheng@627
|
10014 "Another useful situation in which to use <command role=\"hg-cmd\">hg bisect --"
|
dongsheng@627
|
10015 "skip</command> is if you can't test a revision because your project was in a "
|
dongsheng@627
|
10016 "broken and hence untestable state at that revision, perhaps because someone "
|
dongsheng@627
|
10017 "checked in a change that prevented the project from building."
|
dongsheng@627
|
10018 msgstr ""
|
dongsheng@627
|
10019
|
dongsheng@627
|
10020 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
10021 #: ../en/ch08-undo.xml:1036
|
dongsheng@627
|
10022 msgid "Bracket your search lazily"
|
dongsheng@635
|
10023 msgstr "减少你的查找工作"
|
dongsheng@627
|
10024
|
dongsheng@627
|
10025 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
10026 #: ../en/ch08-undo.xml:1038
|
dongsheng@627
|
10027 msgid ""
|
dongsheng@627
|
10028 "Choosing the first <quote>good</quote> and <quote>bad</quote> changesets that "
|
dongsheng@627
|
10029 "will mark the end points of your search is often easy, but it bears a little "
|
dongsheng@627
|
10030 "discussion nevertheless. From the perspective of <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
10031 "bisect</command>, the <quote>newest</quote> changeset is conventionally "
|
dongsheng@627
|
10032 "<quote>bad</quote>, and the older changeset is <quote>good</quote>."
|
dongsheng@627
|
10033 msgstr ""
|
dongsheng@627
|
10034
|
dongsheng@627
|
10035 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
10036 #: ../en/ch08-undo.xml:1046
|
dongsheng@627
|
10037 msgid ""
|
dongsheng@627
|
10038 "If you're having trouble remembering when a suitable <quote>good</quote> "
|
dongsheng@627
|
10039 "change was, so that you can tell <command role=\"hg-cmd\">hg bisect</"
|
dongsheng@627
|
10040 "command>, you could do worse than testing changesets at random. Just "
|
dongsheng@627
|
10041 "remember to eliminate contenders that can't possibly exhibit the bug (perhaps "
|
dongsheng@627
|
10042 "because the feature with the bug isn't present yet) and those where another "
|
dongsheng@627
|
10043 "problem masks the bug (as I discussed above)."
|
dongsheng@627
|
10044 msgstr ""
|
dongsheng@627
|
10045
|
dongsheng@627
|
10046 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
10047 #: ../en/ch08-undo.xml:1055
|
dongsheng@627
|
10048 msgid ""
|
dongsheng@627
|
10049 "Even if you end up <quote>early</quote> by thousands of changesets or months "
|
dongsheng@627
|
10050 "of history, you will only add a handful of tests to the total number that "
|
dongsheng@627
|
10051 "<command role=\"hg-cmd\">hg bisect</command> must perform, thanks to its "
|
dongsheng@627
|
10052 "logarithmic behaviour."
|
dongsheng@627
|
10053 msgstr ""
|
dongsheng@627
|
10054
|
dongsheng@627
|
10055 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
10056 #: ../en/ch09-hook.xml:5
|
dongsheng@627
|
10057 msgid "Handling repository events with hooks"
|
dongsheng@627
|
10058 msgstr "使用钩子处理版本库事件"
|
dongsheng@627
|
10059
|
dongsheng@627
|
10060 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
10061 #: ../en/ch09-hook.xml:7
|
dongsheng@627
|
10062 msgid ""
|
dongsheng@627
|
10063 "Mercurial offers a powerful mechanism to let you perform automated actions in "
|
dongsheng@627
|
10064 "response to events that occur in a repository. In some cases, you can even "
|
dongsheng@627
|
10065 "control Mercurial's response to those events."
|
dongsheng@627
|
10066 msgstr ""
|
dongsheng@627
|
10067
|
dongsheng@627
|
10068 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
10069 #: ../en/ch09-hook.xml:12
|
dongsheng@627
|
10070 msgid ""
|
dongsheng@627
|
10071 "The name Mercurial uses for one of these actions is a <emphasis>hook</"
|
dongsheng@627
|
10072 "emphasis>. Hooks are called <quote>triggers</quote> in some revision control "
|
dongsheng@627
|
10073 "systems, but the two names refer to the same idea."
|
dongsheng@627
|
10074 msgstr ""
|
dongsheng@627
|
10075
|
dongsheng@627
|
10076 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10077 #: ../en/ch09-hook.xml:18
|
dongsheng@627
|
10078 msgid "An overview of hooks in Mercurial"
|
dongsheng@635
|
10079 msgstr "Mercurial 钩子概述"
|
dongsheng@627
|
10080
|
dongsheng@627
|
10081 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10082 #: ../en/ch09-hook.xml:20
|
dongsheng@627
|
10083 msgid ""
|
songdongsheng@658
|
10084 "Here is a brief list of the hooks that Mercurial supports. We will revisit "
|
songdongsheng@658
|
10085 "each of these hooks in more detail later, in <xref linkend=\"sec:hook:ref\"/>."
|
dongsheng@627
|
10086 msgstr ""
|
dongsheng@627
|
10087
|
dongsheng@627
|
10088 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10089 #: ../en/ch09-hook.xml:25
|
dongsheng@627
|
10090 msgid ""
|
dongsheng@627
|
10091 "<literal role=\"hook\">changegroup</literal>: This is run after a group of "
|
dongsheng@627
|
10092 "changesets has been brought into the repository from elsewhere."
|
dongsheng@627
|
10093 msgstr ""
|
dongsheng@627
|
10094
|
dongsheng@627
|
10095 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10096 #: ../en/ch09-hook.xml:29
|
dongsheng@627
|
10097 msgid ""
|
dongsheng@627
|
10098 "<literal role=\"hook\">commit</literal>: This is run after a new changeset "
|
dongsheng@627
|
10099 "has been created in the local repository."
|
dongsheng@627
|
10100 msgstr ""
|
dongsheng@627
|
10101
|
dongsheng@627
|
10102 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10103 #: ../en/ch09-hook.xml:33
|
dongsheng@627
|
10104 msgid ""
|
dongsheng@627
|
10105 "<literal role=\"hook\">incoming</literal>: This is run once for each new "
|
dongsheng@627
|
10106 "changeset that is brought into the repository from elsewhere. Notice the "
|
dongsheng@627
|
10107 "difference from <literal role=\"hook\">changegroup</literal>, which is run "
|
dongsheng@627
|
10108 "once per <emphasis>group</emphasis> of changesets brought in."
|
dongsheng@627
|
10109 msgstr ""
|
dongsheng@627
|
10110
|
dongsheng@627
|
10111 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10112 #: ../en/ch09-hook.xml:40
|
dongsheng@627
|
10113 msgid ""
|
dongsheng@627
|
10114 "<literal role=\"hook\">outgoing</literal>: This is run after a group of "
|
dongsheng@627
|
10115 "changesets has been transmitted from this repository."
|
dongsheng@627
|
10116 msgstr ""
|
dongsheng@627
|
10117
|
dongsheng@627
|
10118 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10119 #: ../en/ch09-hook.xml:44
|
dongsheng@627
|
10120 msgid ""
|
dongsheng@627
|
10121 "<literal role=\"hook\">prechangegroup</literal>: This is run before starting "
|
dongsheng@627
|
10122 "to bring a group of changesets into the repository."
|
dongsheng@627
|
10123 msgstr ""
|
dongsheng@627
|
10124
|
dongsheng@627
|
10125 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10126 #: ../en/ch09-hook.xml:49
|
dongsheng@627
|
10127 msgid ""
|
dongsheng@627
|
10128 "<literal role=\"hook\">precommit</literal>: Controlling. This is run before "
|
dongsheng@627
|
10129 "starting a commit."
|
dongsheng@627
|
10130 msgstr ""
|
dongsheng@627
|
10131
|
dongsheng@627
|
10132 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10133 #: ../en/ch09-hook.xml:53
|
dongsheng@627
|
10134 msgid ""
|
dongsheng@627
|
10135 "<literal role=\"hook\">preoutgoing</literal>: Controlling. This is run before "
|
dongsheng@627
|
10136 "starting to transmit a group of changesets from this repository."
|
dongsheng@627
|
10137 msgstr ""
|
dongsheng@627
|
10138
|
dongsheng@627
|
10139 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10140 #: ../en/ch09-hook.xml:58
|
dongsheng@627
|
10141 msgid ""
|
dongsheng@627
|
10142 "<literal role=\"hook\">pretag</literal>: Controlling. This is run before "
|
dongsheng@627
|
10143 "creating a tag."
|
dongsheng@627
|
10144 msgstr ""
|
dongsheng@627
|
10145
|
dongsheng@627
|
10146 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10147 #: ../en/ch09-hook.xml:62
|
dongsheng@627
|
10148 msgid ""
|
dongsheng@627
|
10149 "<literal role=\"hook\">pretxnchangegroup</literal>: Controlling. This is run "
|
dongsheng@627
|
10150 "after a group of changesets has been brought into the local repository from "
|
dongsheng@627
|
10151 "another, but before the transaction completes that will make the changes "
|
dongsheng@627
|
10152 "permanent in the repository."
|
dongsheng@627
|
10153 msgstr ""
|
dongsheng@627
|
10154
|
dongsheng@627
|
10155 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10156 #: ../en/ch09-hook.xml:70
|
dongsheng@627
|
10157 msgid ""
|
dongsheng@627
|
10158 "<literal role=\"hook\">pretxncommit</literal>: Controlling. This is run after "
|
dongsheng@627
|
10159 "a new changeset has been created in the local repository, but before the "
|
dongsheng@627
|
10160 "transaction completes that will make it permanent."
|
dongsheng@627
|
10161 msgstr ""
|
dongsheng@627
|
10162
|
dongsheng@627
|
10163 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10164 #: ../en/ch09-hook.xml:76
|
dongsheng@627
|
10165 msgid ""
|
dongsheng@627
|
10166 "<literal role=\"hook\">preupdate</literal>: Controlling. This is run before "
|
dongsheng@627
|
10167 "starting an update or merge of the working directory."
|
dongsheng@627
|
10168 msgstr ""
|
dongsheng@627
|
10169
|
dongsheng@627
|
10170 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10171 #: ../en/ch09-hook.xml:81
|
dongsheng@627
|
10172 msgid ""
|
dongsheng@627
|
10173 "<literal role=\"hook\">tag</literal>: This is run after a tag is created."
|
dongsheng@627
|
10174 msgstr ""
|
dongsheng@627
|
10175
|
dongsheng@627
|
10176 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
10177 #: ../en/ch09-hook.xml:85
|
dongsheng@627
|
10178 msgid ""
|
dongsheng@627
|
10179 "<literal role=\"hook\">update</literal>: This is run after an update or merge "
|
dongsheng@627
|
10180 "of the working directory has finished."
|
dongsheng@627
|
10181 msgstr ""
|
dongsheng@627
|
10182
|
dongsheng@627
|
10183 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10184 #: ../en/ch09-hook.xml:90
|
dongsheng@627
|
10185 msgid ""
|
dongsheng@627
|
10186 "Each of the hooks whose description begins with the word <quote>Controlling</"
|
dongsheng@627
|
10187 "quote> has the ability to determine whether an activity can proceed. If the "
|
dongsheng@627
|
10188 "hook succeeds, the activity may proceed; if it fails, the activity is either "
|
dongsheng@627
|
10189 "not permitted or undone, depending on the hook."
|
dongsheng@627
|
10190 msgstr ""
|
dongsheng@627
|
10191
|
dongsheng@627
|
10192 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10193 #: ../en/ch09-hook.xml:99
|
dongsheng@627
|
10194 msgid "Hooks and security"
|
dongsheng@635
|
10195 msgstr "钩子与安全性"
|
dongsheng@627
|
10196
|
dongsheng@627
|
10197 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10198 #: ../en/ch09-hook.xml:102
|
dongsheng@627
|
10199 msgid "Hooks are run with your privileges"
|
dongsheng@635
|
10200 msgstr "钩子以你的特权执行"
|
dongsheng@627
|
10201
|
dongsheng@627
|
10202 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10203 #: ../en/ch09-hook.xml:104
|
dongsheng@627
|
10204 msgid ""
|
dongsheng@627
|
10205 "When you run a Mercurial command in a repository, and the command causes a "
|
dongsheng@627
|
10206 "hook to run, that hook runs on <emphasis>your</emphasis> system, under "
|
dongsheng@627
|
10207 "<emphasis>your</emphasis> user account, with <emphasis>your</emphasis> "
|
dongsheng@627
|
10208 "privilege level. Since hooks are arbitrary pieces of executable code, you "
|
dongsheng@627
|
10209 "should treat them with an appropriate level of suspicion. Do not install a "
|
dongsheng@627
|
10210 "hook unless you are confident that you know who created it and what it does."
|
dongsheng@627
|
10211 msgstr ""
|
dongsheng@627
|
10212
|
dongsheng@627
|
10213 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10214 #: ../en/ch09-hook.xml:115
|
dongsheng@627
|
10215 msgid ""
|
dongsheng@627
|
10216 "In some cases, you may be exposed to hooks that you did not install "
|
dongsheng@627
|
10217 "yourself. If you work with Mercurial on an unfamiliar system, Mercurial will "
|
dongsheng@650
|
10218 "run hooks defined in that system's global <filename role=\"special\">~/.hgrc</"
|
dongsheng@650
|
10219 "filename> file."
|
dongsheng@650
|
10220 msgstr ""
|
dongsheng@650
|
10221
|
dongsheng@650
|
10222 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10223 #: ../en/ch09-hook.xml:122
|
dongsheng@627
|
10224 msgid ""
|
dongsheng@627
|
10225 "If you are working with a repository owned by another user, Mercurial can run "
|
dongsheng@627
|
10226 "hooks defined in that user's repository, but it will still run them as "
|
dongsheng@627
|
10227 "<quote>you</quote>. For example, if you <command role=\"hg-cmd\">hg pull</"
|
dongsheng@627
|
10228 "command> from that repository, and its <filename role=\"special\">.hg/hgrc</"
|
dongsheng@627
|
10229 "filename> defines a local <literal role=\"hook\">outgoing</literal> hook, "
|
dongsheng@627
|
10230 "that hook will run under your user account, even though you don't own that "
|
dongsheng@627
|
10231 "repository."
|
dongsheng@627
|
10232 msgstr ""
|
dongsheng@627
|
10233
|
dongsheng@627
|
10234 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
dongsheng@650
|
10235 #: ../en/ch09-hook.xml:134
|
dongsheng@627
|
10236 msgid ""
|
dongsheng@627
|
10237 "This only applies if you are pulling from a repository on a local or network "
|
dongsheng@627
|
10238 "filesystem. If you're pulling over http or ssh, any <literal role=\"hook"
|
dongsheng@627
|
10239 "\">outgoing</literal> hook will run under whatever account is executing the "
|
dongsheng@627
|
10240 "server process, on the server."
|
dongsheng@627
|
10241 msgstr ""
|
dongsheng@627
|
10242
|
dongsheng@627
|
10243 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10244 #: ../en/ch09-hook.xml:142
|
dongsheng@627
|
10245 msgid ""
|
dongsheng@627
|
10246 "XXX To see what hooks are defined in a repository, use the <command role=\"hg-"
|
dongsheng@627
|
10247 "cmd\">hg config hooks</command> command. If you are working in one "
|
dongsheng@627
|
10248 "repository, but talking to another that you do not own (e.g. using <command "
|
dongsheng@627
|
10249 "role=\"hg-cmd\">hg pull</command> or <command role=\"hg-cmd\">hg incoming</"
|
dongsheng@627
|
10250 "command>), remember that it is the other repository's hooks you should be "
|
dongsheng@627
|
10251 "checking, not your own."
|
dongsheng@627
|
10252 msgstr ""
|
dongsheng@627
|
10253
|
dongsheng@627
|
10254 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10255 #: ../en/ch09-hook.xml:153
|
dongsheng@627
|
10256 msgid "Hooks do not propagate"
|
dongsheng@635
|
10257 msgstr "钩子不会传播"
|
dongsheng@627
|
10258
|
dongsheng@627
|
10259 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10260 #: ../en/ch09-hook.xml:155
|
dongsheng@627
|
10261 msgid ""
|
dongsheng@627
|
10262 "In Mercurial, hooks are not revision controlled, and do not propagate when "
|
dongsheng@627
|
10263 "you clone, or pull from, a repository. The reason for this is simple: a hook "
|
dongsheng@627
|
10264 "is a completely arbitrary piece of executable code. It runs under your user "
|
dongsheng@627
|
10265 "identity, with your privilege level, on your machine."
|
dongsheng@627
|
10266 msgstr ""
|
dongsheng@627
|
10267
|
dongsheng@627
|
10268 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10269 #: ../en/ch09-hook.xml:162
|
dongsheng@627
|
10270 msgid ""
|
dongsheng@627
|
10271 "It would be extremely reckless for any distributed revision control system to "
|
dongsheng@627
|
10272 "implement revision-controlled hooks, as this would offer an easily "
|
dongsheng@627
|
10273 "exploitable way to subvert the accounts of users of the revision control "
|
dongsheng@627
|
10274 "system."
|
dongsheng@627
|
10275 msgstr ""
|
dongsheng@627
|
10276
|
dongsheng@627
|
10277 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10278 #: ../en/ch09-hook.xml:168
|
dongsheng@627
|
10279 msgid ""
|
dongsheng@627
|
10280 "Since Mercurial does not propagate hooks, if you are collaborating with other "
|
dongsheng@627
|
10281 "people on a common project, you should not assume that they are using the "
|
dongsheng@627
|
10282 "same Mercurial hooks as you are, or that theirs are correctly configured. "
|
dongsheng@627
|
10283 "You should document the hooks you expect people to use."
|
dongsheng@627
|
10284 msgstr ""
|
dongsheng@627
|
10285
|
dongsheng@627
|
10286 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10287 #: ../en/ch09-hook.xml:175
|
dongsheng@627
|
10288 msgid ""
|
dongsheng@627
|
10289 "In a corporate intranet, this is somewhat easier to control, as you can for "
|
dongsheng@627
|
10290 "example provide a <quote>standard</quote> installation of Mercurial on an NFS "
|
dongsheng@650
|
10291 "filesystem, and use a site-wide <filename role=\"special\">~/.hgrc</filename> "
|
dongsheng@650
|
10292 "file to define hooks that all users will see. However, this too has its "
|
dongsheng@627
|
10293 "limits; see below."
|
dongsheng@627
|
10294 msgstr ""
|
dongsheng@627
|
10295
|
dongsheng@627
|
10296 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10297 #: ../en/ch09-hook.xml:184
|
dongsheng@627
|
10298 msgid "Hooks can be overridden"
|
dongsheng@635
|
10299 msgstr "钩子可以被覆盖"
|
dongsheng@627
|
10300
|
dongsheng@627
|
10301 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10302 #: ../en/ch09-hook.xml:186
|
dongsheng@627
|
10303 msgid ""
|
dongsheng@627
|
10304 "Mercurial allows you to override a hook definition by redefining the hook. "
|
dongsheng@627
|
10305 "You can disable it by setting its value to the empty string, or change its "
|
dongsheng@627
|
10306 "behaviour as you wish."
|
dongsheng@627
|
10307 msgstr ""
|
dongsheng@627
|
10308
|
dongsheng@627
|
10309 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10310 #: ../en/ch09-hook.xml:191
|
dongsheng@650
|
10311 msgid ""
|
dongsheng@650
|
10312 "If you deploy a system- or site-wide <filename role=\"special\">~/.hgrc</"
|
dongsheng@650
|
10313 "filename> file that defines some hooks, you should thus understand that your "
|
dongsheng@650
|
10314 "users can disable or override those hooks."
|
dongsheng@650
|
10315 msgstr ""
|
dongsheng@650
|
10316
|
dongsheng@650
|
10317 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10318 #: ../en/ch09-hook.xml:199
|
dongsheng@627
|
10319 msgid "Ensuring that critical hooks are run"
|
dongsheng@635
|
10320 msgstr "确保关键钩子的执行"
|
dongsheng@627
|
10321
|
dongsheng@627
|
10322 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10323 #: ../en/ch09-hook.xml:201
|
dongsheng@627
|
10324 msgid ""
|
dongsheng@627
|
10325 "Sometimes you may want to enforce a policy that you do not want others to be "
|
dongsheng@627
|
10326 "able to work around. For example, you may have a requirement that every "
|
dongsheng@627
|
10327 "changeset must pass a rigorous set of tests. Defining this requirement via a "
|
dongsheng@650
|
10328 "hook in a site-wide <filename role=\"special\">~/.hgrc</filename> won't work "
|
dongsheng@650
|
10329 "for remote users on laptops, and of course local users can subvert it at will "
|
dongsheng@650
|
10330 "by overriding the hook."
|
dongsheng@650
|
10331 msgstr ""
|
dongsheng@650
|
10332
|
dongsheng@650
|
10333 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10334 #: ../en/ch09-hook.xml:210
|
dongsheng@627
|
10335 msgid ""
|
dongsheng@627
|
10336 "Instead, you can set up your policies for use of Mercurial so that people are "
|
dongsheng@627
|
10337 "expected to propagate changes through a well-known <quote>canonical</quote> "
|
dongsheng@627
|
10338 "server that you have locked down and configured appropriately."
|
dongsheng@627
|
10339 msgstr ""
|
dongsheng@627
|
10340
|
dongsheng@627
|
10341 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10342 #: ../en/ch09-hook.xml:216
|
dongsheng@627
|
10343 msgid ""
|
dongsheng@627
|
10344 "One way to do this is via a combination of social engineering and "
|
dongsheng@627
|
10345 "technology. Set up a restricted-access account; users can push changes over "
|
dongsheng@627
|
10346 "the network to repositories managed by this account, but they cannot log into "
|
dongsheng@627
|
10347 "the account and run normal shell commands. In this scenario, a user can "
|
dongsheng@627
|
10348 "commit a changeset that contains any old garbage they want."
|
dongsheng@627
|
10349 msgstr ""
|
dongsheng@627
|
10350
|
dongsheng@627
|
10351 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10352 #: ../en/ch09-hook.xml:225
|
dongsheng@627
|
10353 msgid ""
|
dongsheng@627
|
10354 "When someone pushes a changeset to the server that everyone pulls from, the "
|
dongsheng@627
|
10355 "server will test the changeset before it accepts it as permanent, and reject "
|
dongsheng@627
|
10356 "it if it fails to pass the test suite. If people only pull changes from this "
|
dongsheng@627
|
10357 "filtering server, it will serve to ensure that all changes that people pull "
|
dongsheng@627
|
10358 "have been automatically vetted."
|
dongsheng@627
|
10359 msgstr ""
|
dongsheng@627
|
10360
|
dongsheng@627
|
10361 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10362 #: ../en/ch09-hook.xml:236
|
dongsheng@627
|
10363 msgid "Care with <literal>pretxn</literal> hooks in a shared-access repository"
|
dongsheng@635
|
10364 msgstr "在共享版本库中注意 <literal>pretxn</literal> 钩子"
|
dongsheng@627
|
10365
|
dongsheng@627
|
10366 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10367 #: ../en/ch09-hook.xml:239
|
dongsheng@627
|
10368 msgid ""
|
dongsheng@627
|
10369 "If you want to use hooks to do some automated work in a repository that a "
|
dongsheng@627
|
10370 "number of people have shared access to, you need to be careful in how you do "
|
dongsheng@627
|
10371 "this."
|
dongsheng@627
|
10372 msgstr ""
|
dongsheng@627
|
10373
|
dongsheng@627
|
10374 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10375 #: ../en/ch09-hook.xml:244
|
dongsheng@627
|
10376 msgid ""
|
dongsheng@627
|
10377 "Mercurial only locks a repository when it is writing to the repository, and "
|
dongsheng@627
|
10378 "only the parts of Mercurial that write to the repository pay attention to "
|
dongsheng@627
|
10379 "locks. Write locks are necessary to prevent multiple simultaneous writers "
|
dongsheng@627
|
10380 "from scribbling on each other's work, corrupting the repository."
|
dongsheng@627
|
10381 msgstr ""
|
dongsheng@627
|
10382
|
dongsheng@627
|
10383 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10384 #: ../en/ch09-hook.xml:251
|
dongsheng@627
|
10385 msgid ""
|
dongsheng@627
|
10386 "Because Mercurial is careful with the order in which it reads and writes "
|
dongsheng@627
|
10387 "data, it does not need to acquire a lock when it wants to read data from the "
|
dongsheng@627
|
10388 "repository. The parts of Mercurial that read from the repository never pay "
|
dongsheng@627
|
10389 "attention to locks. This lockless reading scheme greatly increases "
|
dongsheng@627
|
10390 "performance and concurrency."
|
dongsheng@627
|
10391 msgstr ""
|
dongsheng@627
|
10392
|
dongsheng@627
|
10393 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10394 #: ../en/ch09-hook.xml:259
|
dongsheng@627
|
10395 msgid ""
|
dongsheng@627
|
10396 "With great performance comes a trade-off, though, one which has the potential "
|
dongsheng@627
|
10397 "to cause you trouble unless you're aware of it. To describe this requires a "
|
dongsheng@627
|
10398 "little detail about how Mercurial adds changesets to a repository and reads "
|
dongsheng@627
|
10399 "those changes."
|
dongsheng@627
|
10400 msgstr ""
|
dongsheng@627
|
10401
|
dongsheng@627
|
10402 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10403 #: ../en/ch09-hook.xml:266
|
dongsheng@627
|
10404 msgid ""
|
dongsheng@627
|
10405 "When Mercurial <emphasis>writes</emphasis> metadata, it writes it straight "
|
dongsheng@627
|
10406 "into the destination file. It writes file data first, then manifest data "
|
dongsheng@627
|
10407 "(which contains pointers to the new file data), then changelog data (which "
|
dongsheng@627
|
10408 "contains pointers to the new manifest data). Before the first write to each "
|
dongsheng@627
|
10409 "file, it stores a record of where the end of the file was in its transaction "
|
dongsheng@627
|
10410 "log. If the transaction must be rolled back, Mercurial simply truncates each "
|
dongsheng@627
|
10411 "file back to the size it was before the transaction began."
|
dongsheng@627
|
10412 msgstr ""
|
dongsheng@627
|
10413
|
dongsheng@627
|
10414 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10415 #: ../en/ch09-hook.xml:277
|
dongsheng@627
|
10416 msgid ""
|
dongsheng@627
|
10417 "When Mercurial <emphasis>reads</emphasis> metadata, it reads the changelog "
|
dongsheng@627
|
10418 "first, then everything else. Since a reader will only access parts of the "
|
dongsheng@627
|
10419 "manifest or file metadata that it can see in the changelog, it can never see "
|
dongsheng@627
|
10420 "partially written data."
|
dongsheng@627
|
10421 msgstr ""
|
dongsheng@627
|
10422
|
dongsheng@627
|
10423 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10424 #: ../en/ch09-hook.xml:283
|
dongsheng@627
|
10425 msgid ""
|
dongsheng@627
|
10426 "Some controlling hooks (<literal role=\"hook\">pretxncommit</literal> and "
|
dongsheng@627
|
10427 "<literal role=\"hook\">pretxnchangegroup</literal>) run when a transaction is "
|
dongsheng@627
|
10428 "almost complete. All of the metadata has been written, but Mercurial can "
|
dongsheng@627
|
10429 "still roll the transaction back and cause the newly-written data to disappear."
|
dongsheng@627
|
10430 msgstr ""
|
dongsheng@627
|
10431
|
dongsheng@627
|
10432 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10433 #: ../en/ch09-hook.xml:291
|
dongsheng@627
|
10434 msgid ""
|
dongsheng@627
|
10435 "If one of these hooks runs for long, it opens a window of time during which a "
|
dongsheng@627
|
10436 "reader can see the metadata for changesets that are not yet permanent, and "
|
dongsheng@627
|
10437 "should not be thought of as <quote>really there</quote>. The longer the hook "
|
dongsheng@627
|
10438 "runs, the longer that window is open."
|
dongsheng@627
|
10439 msgstr ""
|
dongsheng@627
|
10440
|
dongsheng@627
|
10441 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10442 #: ../en/ch09-hook.xml:299
|
dongsheng@627
|
10443 msgid "The problem illustrated"
|
dongsheng@635
|
10444 msgstr "问题的演示"
|
dongsheng@627
|
10445
|
dongsheng@627
|
10446 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10447 #: ../en/ch09-hook.xml:301
|
dongsheng@627
|
10448 msgid ""
|
dongsheng@627
|
10449 "In principle, a good use for the <literal role=\"hook\">pretxnchangegroup</"
|
dongsheng@627
|
10450 "literal> hook would be to automatically build and test incoming changes "
|
dongsheng@627
|
10451 "before they are accepted into a central repository. This could let you "
|
dongsheng@627
|
10452 "guarantee that nobody can push changes to this repository that <quote>break "
|
dongsheng@627
|
10453 "the build</quote>. But if a client can pull changes while they're being "
|
dongsheng@627
|
10454 "tested, the usefulness of the test is zero; an unsuspecting someone can pull "
|
dongsheng@627
|
10455 "untested changes, potentially breaking their build."
|
dongsheng@627
|
10456 msgstr ""
|
dongsheng@627
|
10457
|
dongsheng@627
|
10458 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10459 #: ../en/ch09-hook.xml:312
|
dongsheng@627
|
10460 msgid ""
|
dongsheng@627
|
10461 "The safest technological answer to this challenge is to set up such a "
|
dongsheng@627
|
10462 "<quote>gatekeeper</quote> repository as <emphasis>unidirectional</emphasis>. "
|
dongsheng@627
|
10463 "Let it take changes pushed in from the outside, but do not allow anyone to "
|
dongsheng@627
|
10464 "pull changes from it (use the <literal role=\"hook\">preoutgoing</literal> "
|
dongsheng@627
|
10465 "hook to lock it down). Configure a <literal role=\"hook\">changegroup</"
|
dongsheng@627
|
10466 "literal> hook so that if a build or test succeeds, the hook will push the new "
|
dongsheng@627
|
10467 "changes out to another repository that people <emphasis>can</emphasis> pull "
|
dongsheng@627
|
10468 "from."
|
dongsheng@627
|
10469 msgstr ""
|
dongsheng@627
|
10470
|
dongsheng@627
|
10471 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10472 #: ../en/ch09-hook.xml:324
|
dongsheng@627
|
10473 msgid ""
|
dongsheng@627
|
10474 "In practice, putting a centralised bottleneck like this in place is not often "
|
dongsheng@627
|
10475 "a good idea, and transaction visibility has nothing to do with the problem. "
|
songdongsheng@668
|
10476 "As the size of a project&emdash;and the time it takes to build and "
|
songdongsheng@668
|
10477 "test&emdash;grows, you rapidly run into a wall with this <quote>try before "
|
songdongsheng@668
|
10478 "you buy</quote> approach, where you have more changesets to test than time in "
|
songdongsheng@668
|
10479 "which to deal with them. The inevitable result is frustration on the part of "
|
songdongsheng@668
|
10480 "all involved."
|
dongsheng@627
|
10481 msgstr ""
|
dongsheng@627
|
10482
|
dongsheng@627
|
10483 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10484 #: ../en/ch09-hook.xml:335
|
dongsheng@627
|
10485 msgid ""
|
dongsheng@627
|
10486 "An approach that scales better is to get people to build and test before they "
|
dongsheng@627
|
10487 "push, then run automated builds and tests centrally <emphasis>after</"
|
dongsheng@627
|
10488 "emphasis> a push, to be sure all is well. The advantage of this approach is "
|
dongsheng@627
|
10489 "that it does not impose a limit on the rate at which the repository can "
|
dongsheng@627
|
10490 "accept changes."
|
dongsheng@627
|
10491 msgstr ""
|
dongsheng@627
|
10492
|
dongsheng@627
|
10493 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10494 #: ../en/ch09-hook.xml:346
|
dongsheng@627
|
10495 msgid "A short tutorial on using hooks"
|
dongsheng@635
|
10496 msgstr "使用钩子的简短指南"
|
dongsheng@627
|
10497
|
dongsheng@627
|
10498 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10499 #: ../en/ch09-hook.xml:348
|
dongsheng@627
|
10500 msgid ""
|
dongsheng@627
|
10501 "It is easy to write a Mercurial hook. Let's start with a hook that runs when "
|
dongsheng@627
|
10502 "you finish a <command role=\"hg-cmd\">hg commit</command>, and simply prints "
|
dongsheng@627
|
10503 "the hash of the changeset you just created. The hook is called <literal role="
|
dongsheng@627
|
10504 "\"hook\">commit</literal>."
|
dongsheng@627
|
10505 msgstr ""
|
dongsheng@627
|
10506
|
dongsheng@627
|
10507 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10508 #: ../en/ch09-hook.xml:355
|
dongsheng@627
|
10509 msgid "All hooks follow the pattern in this example."
|
dongsheng@627
|
10510 msgstr ""
|
dongsheng@627
|
10511
|
dongsheng@627
|
10512 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10513 #: ../en/ch09-hook.xml:359
|
dongsheng@627
|
10514 msgid ""
|
dongsheng@627
|
10515 "You add an entry to the <literal role=\"rc-hooks\">hooks</literal> section of "
|
dongsheng@650
|
10516 "your <filename role=\"special\">~/.hgrc</filename>. On the left is the name "
|
dongsheng@627
|
10517 "of the event to trigger on; on the right is the action to take. As you can "
|
dongsheng@627
|
10518 "see, you can run an arbitrary shell command in a hook. Mercurial passes "
|
dongsheng@627
|
10519 "extra information to the hook using environment variables (look for "
|
dongsheng@627
|
10520 "<envar>HG_NODE</envar> in the example)."
|
dongsheng@627
|
10521 msgstr ""
|
dongsheng@627
|
10522
|
dongsheng@627
|
10523 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10524 #: ../en/ch09-hook.xml:369
|
dongsheng@627
|
10525 msgid "Performing multiple actions per event"
|
dongsheng@635
|
10526 msgstr "每个事件执行多个操作"
|
dongsheng@627
|
10527
|
dongsheng@627
|
10528 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10529 #: ../en/ch09-hook.xml:371
|
dongsheng@627
|
10530 msgid ""
|
dongsheng@627
|
10531 "Quite often, you will want to define more than one hook for a particular kind "
|
dongsheng@627
|
10532 "of event, as shown below."
|
dongsheng@627
|
10533 msgstr ""
|
dongsheng@627
|
10534
|
dongsheng@627
|
10535 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10536 #: ../en/ch09-hook.xml:376
|
dongsheng@627
|
10537 msgid ""
|
dongsheng@627
|
10538 "Mercurial lets you do this by adding an <emphasis>extension</emphasis> to the "
|
dongsheng@627
|
10539 "end of a hook's name. You extend a hook's name by giving the name of the "
|
dongsheng@627
|
10540 "hook, followed by a full stop (the <quote><literal>.</literal></quote> "
|
dongsheng@627
|
10541 "character), followed by some more text of your choosing. For example, "
|
dongsheng@627
|
10542 "Mercurial will run both <literal>commit.foo</literal> and <literal>commit."
|
dongsheng@627
|
10543 "bar</literal> when the <literal>commit</literal> event occurs."
|
dongsheng@627
|
10544 msgstr ""
|
dongsheng@627
|
10545
|
dongsheng@627
|
10546 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10547 #: ../en/ch09-hook.xml:387
|
dongsheng@627
|
10548 msgid ""
|
dongsheng@627
|
10549 "To give a well-defined order of execution when there are multiple hooks "
|
dongsheng@627
|
10550 "defined for an event, Mercurial sorts hooks by extension, and executes the "
|
dongsheng@627
|
10551 "hook commands in this sorted order. In the above example, it will execute "
|
dongsheng@627
|
10552 "<literal>commit.bar</literal> before <literal>commit.foo</literal>, and "
|
dongsheng@627
|
10553 "<literal>commit</literal> before both."
|
dongsheng@627
|
10554 msgstr ""
|
dongsheng@627
|
10555
|
dongsheng@627
|
10556 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10557 #: ../en/ch09-hook.xml:396
|
dongsheng@627
|
10558 msgid ""
|
dongsheng@627
|
10559 "It is a good idea to use a somewhat descriptive extension when you define a "
|
dongsheng@627
|
10560 "new hook. This will help you to remember what the hook was for. If the hook "
|
dongsheng@627
|
10561 "fails, you'll get an error message that contains the hook name and extension, "
|
dongsheng@627
|
10562 "so using a descriptive extension could give you an immediate hint as to why "
|
songdongsheng@658
|
10563 "the hook failed (see <xref linkend=\"sec:hook:perm\"/> for an example)."
|
dongsheng@627
|
10564 msgstr ""
|
dongsheng@627
|
10565
|
dongsheng@627
|
10566 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10567 #: ../en/ch09-hook.xml:407
|
dongsheng@627
|
10568 msgid "Controlling whether an activity can proceed"
|
dongsheng@635
|
10569 msgstr "控制处理的活动"
|
dongsheng@627
|
10570
|
dongsheng@627
|
10571 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10572 #: ../en/ch09-hook.xml:409
|
dongsheng@627
|
10573 msgid ""
|
dongsheng@627
|
10574 "In our earlier examples, we used the <literal role=\"hook\">commit</literal> "
|
dongsheng@627
|
10575 "hook, which is run after a commit has completed. This is one of several "
|
dongsheng@627
|
10576 "Mercurial hooks that run after an activity finishes. Such hooks have no way "
|
dongsheng@627
|
10577 "of influencing the activity itself."
|
dongsheng@627
|
10578 msgstr ""
|
dongsheng@627
|
10579
|
dongsheng@627
|
10580 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10581 #: ../en/ch09-hook.xml:416
|
dongsheng@627
|
10582 msgid ""
|
dongsheng@627
|
10583 "Mercurial defines a number of events that occur before an activity starts; or "
|
dongsheng@627
|
10584 "after it starts, but before it finishes. Hooks that trigger on these events "
|
dongsheng@627
|
10585 "have the added ability to choose whether the activity can continue, or will "
|
dongsheng@627
|
10586 "abort."
|
dongsheng@627
|
10587 msgstr ""
|
dongsheng@627
|
10588
|
dongsheng@627
|
10589 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10590 #: ../en/ch09-hook.xml:422
|
dongsheng@627
|
10591 msgid ""
|
dongsheng@627
|
10592 "The <literal role=\"hook\">pretxncommit</literal> hook runs after a commit "
|
dongsheng@627
|
10593 "has all but completed. In other words, the metadata representing the "
|
dongsheng@627
|
10594 "changeset has been written out to disk, but the transaction has not yet been "
|
dongsheng@627
|
10595 "allowed to complete. The <literal role=\"hook\">pretxncommit</literal> hook "
|
dongsheng@627
|
10596 "has the ability to decide whether the transaction can complete, or must be "
|
dongsheng@627
|
10597 "rolled back."
|
dongsheng@627
|
10598 msgstr ""
|
dongsheng@627
|
10599
|
dongsheng@627
|
10600 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10601 #: ../en/ch09-hook.xml:431
|
dongsheng@627
|
10602 msgid ""
|
dongsheng@627
|
10603 "If the <literal role=\"hook\">pretxncommit</literal> hook exits with a status "
|
dongsheng@627
|
10604 "code of zero, the transaction is allowed to complete; the commit finishes; "
|
dongsheng@627
|
10605 "and the <literal role=\"hook\">commit</literal> hook is run. If the <literal "
|
dongsheng@627
|
10606 "role=\"hook\">pretxncommit</literal> hook exits with a non-zero status code, "
|
dongsheng@627
|
10607 "the transaction is rolled back; the metadata representing the changeset is "
|
dongsheng@627
|
10608 "erased; and the <literal role=\"hook\">commit</literal> hook is not run."
|
dongsheng@627
|
10609 msgstr ""
|
dongsheng@627
|
10610
|
dongsheng@627
|
10611 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10612 #: ../en/ch09-hook.xml:443
|
dongsheng@627
|
10613 msgid ""
|
dongsheng@627
|
10614 "The hook in the example above checks that a commit comment contains a bug "
|
dongsheng@627
|
10615 "ID. If it does, the commit can complete. If not, the commit is rolled back."
|
dongsheng@627
|
10616 msgstr ""
|
dongsheng@627
|
10617
|
dongsheng@627
|
10618 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10619 #: ../en/ch09-hook.xml:451
|
dongsheng@627
|
10620 msgid "Writing your own hooks"
|
dongsheng@635
|
10621 msgstr "编写钩子"
|
dongsheng@627
|
10622
|
dongsheng@627
|
10623 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10624 #: ../en/ch09-hook.xml:453
|
dongsheng@627
|
10625 msgid ""
|
dongsheng@627
|
10626 "When you are writing a hook, you might find it useful to run Mercurial either "
|
dongsheng@627
|
10627 "with the <option role=\"hg-opt-global\">-v</option> option, or the <envar "
|
dongsheng@627
|
10628 "role=\"rc-item-ui\">verbose</envar> config item set to <quote>true</quote>. "
|
dongsheng@627
|
10629 "When you do so, Mercurial will print a message before it calls each hook."
|
dongsheng@627
|
10630 msgstr ""
|
dongsheng@627
|
10631
|
dongsheng@627
|
10632 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10633 #: ../en/ch09-hook.xml:462
|
dongsheng@627
|
10634 msgid "Choosing how your hook should run"
|
dongsheng@635
|
10635 msgstr "选择钩子的执行方式"
|
dongsheng@627
|
10636
|
dongsheng@627
|
10637 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10638 #: ../en/ch09-hook.xml:464
|
dongsheng@627
|
10639 msgid ""
|
songdongsheng@668
|
10640 "You can write a hook either as a normal program&emdash;typically a shell "
|
songdongsheng@668
|
10641 "script&emdash;or as a Python function that is executed within the Mercurial "
|
songdongsheng@668
|
10642 "process."
|
dongsheng@627
|
10643 msgstr ""
|
dongsheng@627
|
10644
|
dongsheng@627
|
10645 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10646 #: ../en/ch09-hook.xml:469
|
dongsheng@627
|
10647 msgid ""
|
dongsheng@627
|
10648 "Writing a hook as an external program has the advantage that it requires no "
|
dongsheng@627
|
10649 "knowledge of Mercurial's internals. You can call normal Mercurial commands "
|
dongsheng@627
|
10650 "to get any added information you need. The trade-off is that external hooks "
|
dongsheng@627
|
10651 "are slower than in-process hooks."
|
dongsheng@627
|
10652 msgstr ""
|
dongsheng@627
|
10653
|
dongsheng@627
|
10654 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10655 #: ../en/ch09-hook.xml:476
|
dongsheng@627
|
10656 msgid ""
|
dongsheng@627
|
10657 "An in-process Python hook has complete access to the Mercurial API, and does "
|
dongsheng@627
|
10658 "not <quote>shell out</quote> to another process, so it is inherently faster "
|
dongsheng@627
|
10659 "than an external hook. It is also easier to obtain much of the information "
|
dongsheng@627
|
10660 "that a hook requires by using the Mercurial API than by running Mercurial "
|
dongsheng@627
|
10661 "commands."
|
dongsheng@627
|
10662 msgstr ""
|
dongsheng@627
|
10663
|
dongsheng@627
|
10664 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10665 #: ../en/ch09-hook.xml:484
|
dongsheng@627
|
10666 msgid ""
|
dongsheng@627
|
10667 "If you are comfortable with Python, or require high performance, writing your "
|
dongsheng@627
|
10668 "hooks in Python may be a good choice. However, when you have a "
|
dongsheng@627
|
10669 "straightforward hook to write and you don't need to care about performance "
|
dongsheng@627
|
10670 "(probably the majority of hooks), a shell script is perfectly fine."
|
dongsheng@627
|
10671 msgstr ""
|
dongsheng@627
|
10672
|
dongsheng@627
|
10673 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10674 #: ../en/ch09-hook.xml:493
|
dongsheng@627
|
10675 msgid "Hook parameters"
|
dongsheng@635
|
10676 msgstr "钩子的参数"
|
dongsheng@627
|
10677
|
dongsheng@627
|
10678 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10679 #: ../en/ch09-hook.xml:495
|
dongsheng@627
|
10680 msgid ""
|
dongsheng@627
|
10681 "Mercurial calls each hook with a set of well-defined parameters. In Python, "
|
dongsheng@627
|
10682 "a parameter is passed as a keyword argument to your hook function. For an "
|
dongsheng@627
|
10683 "external program, a parameter is passed as an environment variable."
|
dongsheng@627
|
10684 msgstr ""
|
dongsheng@627
|
10685
|
dongsheng@627
|
10686 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10687 #: ../en/ch09-hook.xml:501
|
dongsheng@627
|
10688 msgid ""
|
dongsheng@627
|
10689 "Whether your hook is written in Python or as a shell script, the hook-"
|
dongsheng@627
|
10690 "specific parameter names and values will be the same. A boolean parameter "
|
dongsheng@627
|
10691 "will be represented as a boolean value in Python, but as the number 1 (for "
|
dongsheng@627
|
10692 "<quote>true</quote>) or 0 (for <quote>false</quote>) as an environment "
|
dongsheng@627
|
10693 "variable for an external hook. If a hook parameter is named <literal>foo</"
|
dongsheng@627
|
10694 "literal>, the keyword argument for a Python hook will also be named "
|
dongsheng@627
|
10695 "<literal>foo</literal>, while the environment variable for an external hook "
|
dongsheng@627
|
10696 "will be named <literal>HG_FOO</literal>."
|
dongsheng@627
|
10697 msgstr ""
|
dongsheng@627
|
10698
|
dongsheng@627
|
10699 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10700 #: ../en/ch09-hook.xml:515
|
dongsheng@627
|
10701 msgid "Hook return values and activity control"
|
dongsheng@635
|
10702 msgstr "钩子的返回值与活动控制"
|
dongsheng@627
|
10703
|
dongsheng@627
|
10704 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10705 #: ../en/ch09-hook.xml:517
|
dongsheng@627
|
10706 msgid ""
|
dongsheng@627
|
10707 "A hook that executes successfully must exit with a status of zero if "
|
dongsheng@627
|
10708 "external, or return boolean <quote>false</quote> if in-process. Failure is "
|
dongsheng@627
|
10709 "indicated with a non-zero exit status from an external hook, or an in-process "
|
dongsheng@627
|
10710 "hook returning boolean <quote>true</quote>. If an in-process hook raises an "
|
dongsheng@627
|
10711 "exception, the hook is considered to have failed."
|
dongsheng@627
|
10712 msgstr ""
|
dongsheng@627
|
10713
|
dongsheng@627
|
10714 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10715 #: ../en/ch09-hook.xml:525
|
dongsheng@627
|
10716 msgid ""
|
dongsheng@627
|
10717 "For a hook that controls whether an activity can proceed, zero/false means "
|
dongsheng@627
|
10718 "<quote>allow</quote>, while non-zero/true/exception means <quote>deny</quote>."
|
dongsheng@627
|
10719 msgstr ""
|
dongsheng@627
|
10720
|
dongsheng@627
|
10721 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10722 #: ../en/ch09-hook.xml:532
|
dongsheng@627
|
10723 msgid "Writing an external hook"
|
dongsheng@635
|
10724 msgstr "编写外部钩子"
|
dongsheng@627
|
10725
|
dongsheng@627
|
10726 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10727 #: ../en/ch09-hook.xml:534
|
dongsheng@650
|
10728 msgid ""
|
dongsheng@650
|
10729 "When you define an external hook in your <filename role=\"special\">~/.hgrc</"
|
dongsheng@650
|
10730 "filename> and the hook is run, its value is passed to your shell, which "
|
dongsheng@627
|
10731 "interprets it. This means that you can use normal shell constructs in the "
|
dongsheng@627
|
10732 "body of the hook."
|
dongsheng@627
|
10733 msgstr ""
|
dongsheng@627
|
10734
|
dongsheng@627
|
10735 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10736 #: ../en/ch09-hook.xml:541
|
dongsheng@627
|
10737 msgid ""
|
dongsheng@627
|
10738 "An executable hook is always run with its current directory set to a "
|
dongsheng@627
|
10739 "repository's root directory."
|
dongsheng@627
|
10740 msgstr ""
|
dongsheng@627
|
10741
|
dongsheng@627
|
10742 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10743 #: ../en/ch09-hook.xml:545
|
dongsheng@627
|
10744 msgid ""
|
dongsheng@627
|
10745 "Each hook parameter is passed in as an environment variable; the name is "
|
dongsheng@627
|
10746 "upper-cased, and prefixed with the string <quote><literal>HG_</literal></"
|
dongsheng@627
|
10747 "quote>."
|
dongsheng@627
|
10748 msgstr ""
|
dongsheng@627
|
10749
|
dongsheng@627
|
10750 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10751 #: ../en/ch09-hook.xml:550
|
dongsheng@627
|
10752 msgid ""
|
dongsheng@627
|
10753 "With the exception of hook parameters, Mercurial does not set or modify any "
|
dongsheng@627
|
10754 "environment variables when running a hook. This is useful to remember if you "
|
dongsheng@627
|
10755 "are writing a site-wide hook that may be run by a number of different users "
|
dongsheng@627
|
10756 "with differing environment variables set. In multi-user situations, you "
|
dongsheng@627
|
10757 "should not rely on environment variables being set to the values you have in "
|
dongsheng@627
|
10758 "your environment when testing the hook."
|
dongsheng@627
|
10759 msgstr ""
|
dongsheng@627
|
10760
|
dongsheng@627
|
10761 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10762 #: ../en/ch09-hook.xml:561
|
dongsheng@627
|
10763 msgid "Telling Mercurial to use an in-process hook"
|
dongsheng@642
|
10764 msgstr "让 Mercurial 使用进程内钩子"
|
dongsheng@627
|
10765
|
dongsheng@627
|
10766 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10767 #: ../en/ch09-hook.xml:563
|
dongsheng@650
|
10768 msgid ""
|
dongsheng@650
|
10769 "The <filename role=\"special\">~/.hgrc</filename> syntax for defining an in-"
|
dongsheng@627
|
10770 "process hook is slightly different than for an executable hook. The value of "
|
dongsheng@627
|
10771 "the hook must start with the text <quote><literal>python:</literal></quote>, "
|
dongsheng@627
|
10772 "and continue with the fully-qualified name of a callable object to use as the "
|
dongsheng@627
|
10773 "hook's value."
|
dongsheng@627
|
10774 msgstr ""
|
dongsheng@627
|
10775
|
dongsheng@627
|
10776 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10777 #: ../en/ch09-hook.xml:571
|
dongsheng@627
|
10778 msgid ""
|
dongsheng@627
|
10779 "The module in which a hook lives is automatically imported when a hook is "
|
dongsheng@627
|
10780 "run. So long as you have the module name and <envar>PYTHONPATH</envar> "
|
dongsheng@627
|
10781 "right, it should <quote>just work</quote>."
|
dongsheng@627
|
10782 msgstr ""
|
dongsheng@627
|
10783
|
dongsheng@627
|
10784 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10785 #: ../en/ch09-hook.xml:577
|
dongsheng@650
|
10786 msgid ""
|
dongsheng@650
|
10787 "The following <filename role=\"special\">~/.hgrc</filename> example snippet "
|
dongsheng@627
|
10788 "illustrates the syntax and meaning of the notions we just described."
|
dongsheng@627
|
10789 msgstr ""
|
dongsheng@627
|
10790
|
dongsheng@627
|
10791 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10792 #: ../en/ch09-hook.xml:583
|
dongsheng@627
|
10793 msgid ""
|
dongsheng@627
|
10794 "When Mercurial runs the <literal>commit.example</literal> hook, it imports "
|
dongsheng@627
|
10795 "<literal>mymodule.submodule</literal>, looks for the callable object named "
|
dongsheng@627
|
10796 "<literal>myhook</literal>, and calls it."
|
dongsheng@627
|
10797 msgstr ""
|
dongsheng@627
|
10798
|
dongsheng@627
|
10799 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10800 #: ../en/ch09-hook.xml:591
|
dongsheng@627
|
10801 msgid "Writing an in-process hook"
|
dongsheng@635
|
10802 msgstr "编写进程内钩子"
|
dongsheng@627
|
10803
|
dongsheng@627
|
10804 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10805 #: ../en/ch09-hook.xml:593
|
dongsheng@627
|
10806 msgid ""
|
dongsheng@627
|
10807 "The simplest in-process hook does nothing, but illustrates the basic shape of "
|
dongsheng@627
|
10808 "the hook API:"
|
dongsheng@627
|
10809 msgstr ""
|
dongsheng@627
|
10810
|
dongsheng@627
|
10811 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10812 #: ../en/ch09-hook.xml:598
|
dongsheng@627
|
10813 msgid ""
|
dongsheng@627
|
10814 "The first argument to a Python hook is always a <literal role=\"py-mod-"
|
dongsheng@627
|
10815 "mercurial.ui\">ui</literal> object. The second is a repository object; at "
|
dongsheng@627
|
10816 "the moment, it is always an instance of <literal role=\"py-mod-mercurial."
|
dongsheng@627
|
10817 "localrepo\">localrepository</literal>. Following these two arguments are "
|
dongsheng@627
|
10818 "other keyword arguments. Which ones are passed in depends on the hook being "
|
dongsheng@627
|
10819 "called, but a hook can ignore arguments it doesn't care about by dropping "
|
dongsheng@627
|
10820 "them into a keyword argument dict, as with <literal>**kwargs</literal> above."
|
dongsheng@627
|
10821 msgstr ""
|
dongsheng@627
|
10822
|
dongsheng@627
|
10823 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10824 #: ../en/ch09-hook.xml:613
|
dongsheng@627
|
10825 msgid "Some hook examples"
|
dongsheng@635
|
10826 msgstr "钩子样例"
|
dongsheng@627
|
10827
|
dongsheng@627
|
10828 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10829 #: ../en/ch09-hook.xml:616
|
dongsheng@627
|
10830 msgid "Writing meaningful commit messages"
|
dongsheng@635
|
10831 msgstr "编写有意义的提交日志"
|
dongsheng@627
|
10832
|
dongsheng@627
|
10833 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10834 #: ../en/ch09-hook.xml:618
|
dongsheng@627
|
10835 msgid ""
|
dongsheng@627
|
10836 "It's hard to imagine a useful commit message being very short. The simple "
|
dongsheng@627
|
10837 "<literal role=\"hook\">pretxncommit</literal> hook of the example below will "
|
dongsheng@627
|
10838 "prevent you from committing a changeset with a message that is less than ten "
|
dongsheng@627
|
10839 "bytes long."
|
dongsheng@627
|
10840 msgstr ""
|
dongsheng@627
|
10841
|
dongsheng@627
|
10842 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10843 #: ../en/ch09-hook.xml:628
|
dongsheng@627
|
10844 msgid "Checking for trailing whitespace"
|
dongsheng@635
|
10845 msgstr "检查行尾空格"
|
dongsheng@627
|
10846
|
dongsheng@627
|
10847 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10848 #: ../en/ch09-hook.xml:630
|
dongsheng@627
|
10849 msgid ""
|
dongsheng@627
|
10850 "An interesting use of a commit-related hook is to help you to write cleaner "
|
dongsheng@627
|
10851 "code. A simple example of <quote>cleaner code</quote> is the dictum that a "
|
dongsheng@627
|
10852 "change should not add any new lines of text that contain <quote>trailing "
|
dongsheng@627
|
10853 "whitespace</quote>. Trailing whitespace is a series of space and tab "
|
dongsheng@627
|
10854 "characters at the end of a line of text. In most cases, trailing whitespace "
|
dongsheng@627
|
10855 "is unnecessary, invisible noise, but it is occasionally problematic, and "
|
dongsheng@627
|
10856 "people often prefer to get rid of it."
|
dongsheng@627
|
10857 msgstr ""
|
dongsheng@627
|
10858
|
dongsheng@627
|
10859 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10860 #: ../en/ch09-hook.xml:641
|
dongsheng@627
|
10861 msgid ""
|
dongsheng@627
|
10862 "You can use either the <literal role=\"hook\">precommit</literal> or <literal "
|
dongsheng@627
|
10863 "role=\"hook\">pretxncommit</literal> hook to tell whether you have a trailing "
|
dongsheng@627
|
10864 "whitespace problem. If you use the <literal role=\"hook\">precommit</"
|
dongsheng@627
|
10865 "literal> hook, the hook will not know which files you are committing, so it "
|
dongsheng@627
|
10866 "will have to check every modified file in the repository for trailing white "
|
dongsheng@627
|
10867 "space. If you want to commit a change to just the file <filename>foo</"
|
dongsheng@627
|
10868 "filename>, but the file <filename>bar</filename> contains trailing "
|
dongsheng@627
|
10869 "whitespace, doing a check in the <literal role=\"hook\">precommit</literal> "
|
dongsheng@627
|
10870 "hook will prevent you from committing <filename>foo</filename> due to the "
|
dongsheng@627
|
10871 "problem with <filename>bar</filename>. This doesn't seem right."
|
dongsheng@627
|
10872 msgstr ""
|
dongsheng@627
|
10873
|
dongsheng@627
|
10874 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10875 #: ../en/ch09-hook.xml:657
|
dongsheng@627
|
10876 msgid ""
|
dongsheng@627
|
10877 "Should you choose the <literal role=\"hook\">pretxncommit</literal> hook, the "
|
dongsheng@627
|
10878 "check won't occur until just before the transaction for the commit "
|
dongsheng@627
|
10879 "completes. This will allow you to check for problems only the exact files "
|
dongsheng@627
|
10880 "that are being committed. However, if you entered the commit message "
|
dongsheng@627
|
10881 "interactively and the hook fails, the transaction will roll back; you'll have "
|
dongsheng@627
|
10882 "to re-enter the commit message after you fix the trailing whitespace and run "
|
dongsheng@627
|
10883 "<command role=\"hg-cmd\">hg commit</command> again."
|
dongsheng@627
|
10884 msgstr ""
|
dongsheng@627
|
10885
|
dongsheng@627
|
10886 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10887 #: ../en/ch09-hook.xml:670
|
dongsheng@627
|
10888 msgid ""
|
dongsheng@627
|
10889 "In this example, we introduce a simple <literal role=\"hook\">pretxncommit</"
|
dongsheng@627
|
10890 "literal> hook that checks for trailing whitespace. This hook is short, but "
|
dongsheng@627
|
10891 "not very helpful. It exits with an error status if a change adds a line with "
|
dongsheng@627
|
10892 "trailing whitespace to any file, but does not print any information that "
|
dongsheng@627
|
10893 "might help us to identify the offending file or line. It also has the nice "
|
dongsheng@627
|
10894 "property of not paying attention to unmodified lines; only lines that "
|
dongsheng@627
|
10895 "introduce new trailing whitespace cause problems."
|
dongsheng@627
|
10896 msgstr ""
|
dongsheng@627
|
10897
|
dongsheng@627
|
10898 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10899 #: ../en/ch09-hook.xml:681
|
dongsheng@627
|
10900 msgid ""
|
dongsheng@627
|
10901 "The above version is much more complex, but also more useful. It parses a "
|
dongsheng@627
|
10902 "unified diff to see if any lines add trailing whitespace, and prints the name "
|
dongsheng@627
|
10903 "of the file and the line number of each such occurrence. Even better, if the "
|
dongsheng@627
|
10904 "change adds trailing whitespace, this hook saves the commit comment and "
|
dongsheng@627
|
10905 "prints the name of the save file before exiting and telling Mercurial to roll "
|
dongsheng@627
|
10906 "the transaction back, so you can use the <option role=\"hg-opt-commit\">-l "
|
dongsheng@627
|
10907 "filename</option> option to <command role=\"hg-cmd\">hg commit</command> to "
|
dongsheng@627
|
10908 "reuse the saved commit message once you've corrected the problem."
|
dongsheng@627
|
10909 msgstr ""
|
dongsheng@627
|
10910
|
dongsheng@627
|
10911 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10912 #: ../en/ch09-hook.xml:695
|
dongsheng@627
|
10913 msgid ""
|
dongsheng@627
|
10914 "As a final aside, note in the example above the use of <command>perl</"
|
dongsheng@627
|
10915 "command>'s in-place editing feature to get rid of trailing whitespace from a "
|
dongsheng@627
|
10916 "file. This is concise and useful enough that I will reproduce it here."
|
dongsheng@627
|
10917 msgstr ""
|
dongsheng@627
|
10918
|
dongsheng@627
|
10919 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
10920 #: ../en/ch09-hook.xml:705
|
dongsheng@627
|
10921 msgid "Bundled hooks"
|
dongsheng@635
|
10922 msgstr "内置的钩子"
|
dongsheng@627
|
10923
|
dongsheng@627
|
10924 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
10925 #: ../en/ch09-hook.xml:707
|
dongsheng@627
|
10926 msgid ""
|
dongsheng@627
|
10927 "Mercurial ships with several bundled hooks. You can find them in the "
|
dongsheng@627
|
10928 "<filename class=\"directory\">hgext</filename> directory of a Mercurial "
|
dongsheng@627
|
10929 "source tree. If you are using a Mercurial binary package, the hooks will be "
|
dongsheng@627
|
10930 "located in the <filename class=\"directory\">hgext</filename> directory of "
|
dongsheng@627
|
10931 "wherever your package installer put Mercurial."
|
dongsheng@627
|
10932 msgstr ""
|
dongsheng@627
|
10933
|
dongsheng@627
|
10934 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
10935 #: ../en/ch09-hook.xml:716
|
songdongsheng@668
|
10936 msgid ""
|
songdongsheng@668
|
10937 "<literal role=\"hg-ext\">acl</literal>&emdash;access control for parts of a "
|
dongsheng@627
|
10938 "repository"
|
dongsheng@661
|
10939 msgstr "<literal role=\"hg-ext\">acl</literal>—版本库的访问控制"
|
dongsheng@627
|
10940
|
dongsheng@627
|
10941 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10942 #: ../en/ch09-hook.xml:719
|
dongsheng@627
|
10943 msgid ""
|
dongsheng@627
|
10944 "The <literal role=\"hg-ext\">acl</literal> extension lets you control which "
|
dongsheng@627
|
10945 "remote users are allowed to push changesets to a networked server. You can "
|
dongsheng@627
|
10946 "protect any portion of a repository (including the entire repo), so that a "
|
dongsheng@627
|
10947 "specific remote user can push changes that do not affect the protected "
|
dongsheng@627
|
10948 "portion."
|
dongsheng@627
|
10949 msgstr ""
|
dongsheng@627
|
10950
|
dongsheng@627
|
10951 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
10952 #: ../en/ch09-hook.xml:727
|
dongsheng@627
|
10953 msgid ""
|
dongsheng@627
|
10954 "This extension implements access control based on the identity of the user "
|
dongsheng@627
|
10955 "performing a push, <emphasis>not</emphasis> on who committed the changesets "
|
dongsheng@627
|
10956 "they're pushing. It makes sense to use this hook only if you have a locked-"
|
dongsheng@627
|
10957 "down server environment that authenticates remote users, and you want to be "
|
dongsheng@627
|
10958 "sure that only specific users are allowed to push changes to that server."
|
dongsheng@627
|
10959 msgstr ""
|
dongsheng@627
|
10960
|
dongsheng@627
|
10961 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
10962 #: ../en/ch09-hook.xml:737
|
dongsheng@627
|
10963 msgid "Configuring the <literal role=\"hook\">acl</literal> hook"
|
dongsheng@635
|
10964 msgstr "配置 <literal role=\"hook\">acl</literal> 钩子"
|
dongsheng@627
|
10965
|
dongsheng@627
|
10966 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
10967 #: ../en/ch09-hook.xml:740
|
dongsheng@627
|
10968 msgid ""
|
dongsheng@627
|
10969 "In order to manage incoming changesets, the <literal role=\"hg-ext\">acl</"
|
dongsheng@627
|
10970 "literal> hook must be used as a <literal role=\"hook\">pretxnchangegroup</"
|
dongsheng@627
|
10971 "literal> hook. This lets it see which files are modified by each incoming "
|
dongsheng@627
|
10972 "changeset, and roll back a group of changesets if they modify "
|
dongsheng@627
|
10973 "<quote>forbidden</quote> files. Example:"
|
dongsheng@627
|
10974 msgstr ""
|
dongsheng@627
|
10975
|
dongsheng@627
|
10976 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
10977 #: ../en/ch09-hook.xml:750
|
dongsheng@627
|
10978 msgid ""
|
dongsheng@627
|
10979 "The <literal role=\"hg-ext\">acl</literal> extension is configured using "
|
dongsheng@627
|
10980 "three sections."
|
dongsheng@627
|
10981 msgstr ""
|
dongsheng@627
|
10982
|
dongsheng@627
|
10983 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
10984 #: ../en/ch09-hook.xml:754
|
dongsheng@627
|
10985 msgid ""
|
dongsheng@627
|
10986 "The <literal role=\"rc-acl\">acl</literal> section has only one entry, <envar "
|
dongsheng@627
|
10987 "role=\"rc-item-acl\">sources</envar>, which lists the sources of incoming "
|
dongsheng@627
|
10988 "changesets that the hook should pay attention to. You don't normally need to "
|
dongsheng@627
|
10989 "configure this section."
|
dongsheng@627
|
10990 msgstr ""
|
dongsheng@627
|
10991
|
dongsheng@627
|
10992 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
10993 #: ../en/ch09-hook.xml:761
|
dongsheng@627
|
10994 msgid ""
|
dongsheng@627
|
10995 "<envar role=\"rc-item-acl\">serve</envar>: Control incoming changesets that "
|
dongsheng@627
|
10996 "are arriving from a remote repository over http or ssh. This is the default "
|
dongsheng@627
|
10997 "value of <envar role=\"rc-item-acl\">sources</envar>, and usually the only "
|
dongsheng@627
|
10998 "setting you'll need for this configuration item."
|
dongsheng@627
|
10999 msgstr ""
|
dongsheng@627
|
11000
|
dongsheng@627
|
11001 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11002 #: ../en/ch09-hook.xml:769
|
dongsheng@627
|
11003 msgid ""
|
dongsheng@627
|
11004 "<envar role=\"rc-item-acl\">pull</envar>: Control incoming changesets that "
|
dongsheng@627
|
11005 "are arriving via a pull from a local repository."
|
dongsheng@627
|
11006 msgstr ""
|
dongsheng@627
|
11007
|
dongsheng@627
|
11008 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11009 #: ../en/ch09-hook.xml:774
|
dongsheng@627
|
11010 msgid ""
|
dongsheng@627
|
11011 "<envar role=\"rc-item-acl\">push</envar>: Control incoming changesets that "
|
dongsheng@627
|
11012 "are arriving via a push from a local repository."
|
dongsheng@627
|
11013 msgstr ""
|
dongsheng@627
|
11014
|
dongsheng@627
|
11015 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11016 #: ../en/ch09-hook.xml:779
|
dongsheng@627
|
11017 msgid ""
|
dongsheng@627
|
11018 "<envar role=\"rc-item-acl\">bundle</envar>: Control incoming changesets that "
|
dongsheng@627
|
11019 "are arriving from another repository via a bundle."
|
dongsheng@627
|
11020 msgstr ""
|
dongsheng@627
|
11021
|
dongsheng@627
|
11022 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11023 #: ../en/ch09-hook.xml:785
|
dongsheng@627
|
11024 msgid ""
|
dongsheng@627
|
11025 "The <literal role=\"rc-acl.allow\">acl.allow</literal> section controls the "
|
dongsheng@627
|
11026 "users that are allowed to add changesets to the repository. If this section "
|
dongsheng@627
|
11027 "is not present, all users that are not explicitly denied are allowed. If "
|
dongsheng@627
|
11028 "this section is present, all users that are not explicitly allowed are denied "
|
dongsheng@627
|
11029 "(so an empty section means that all users are denied)."
|
dongsheng@627
|
11030 msgstr ""
|
dongsheng@627
|
11031
|
dongsheng@627
|
11032 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11033 #: ../en/ch09-hook.xml:794
|
dongsheng@627
|
11034 msgid ""
|
dongsheng@627
|
11035 "The <literal role=\"rc-acl.deny\">acl.deny</literal> section determines which "
|
dongsheng@627
|
11036 "users are denied from adding changesets to the repository. If this section "
|
dongsheng@627
|
11037 "is not present or is empty, no users are denied."
|
dongsheng@627
|
11038 msgstr ""
|
dongsheng@627
|
11039
|
dongsheng@627
|
11040 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11041 #: ../en/ch09-hook.xml:800
|
dongsheng@627
|
11042 msgid ""
|
dongsheng@627
|
11043 "The syntaxes for the <literal role=\"rc-acl.allow\">acl.allow</literal> and "
|
dongsheng@627
|
11044 "<literal role=\"rc-acl.deny\">acl.deny</literal> sections are identical. On "
|
dongsheng@627
|
11045 "the left of each entry is a glob pattern that matches files or directories, "
|
dongsheng@627
|
11046 "relative to the root of the repository; on the right, a user name."
|
dongsheng@627
|
11047 msgstr ""
|
dongsheng@627
|
11048
|
dongsheng@627
|
11049 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11050 #: ../en/ch09-hook.xml:808
|
dongsheng@627
|
11051 msgid ""
|
dongsheng@627
|
11052 "In the following example, the user <literal>docwriter</literal> can only push "
|
dongsheng@627
|
11053 "changes to the <filename class=\"directory\">docs</filename> subtree of the "
|
dongsheng@627
|
11054 "repository, while <literal>intern</literal> can push changes to any file or "
|
dongsheng@627
|
11055 "directory except <filename class=\"directory\">source/sensitive</filename>."
|
dongsheng@627
|
11056 msgstr ""
|
dongsheng@627
|
11057
|
dongsheng@627
|
11058 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
11059 #: ../en/ch09-hook.xml:822 ../en/ch09-hook.xml:1089 ../en/ch09-hook.xml:1279
|
dongsheng@627
|
11060 msgid "Testing and troubleshooting"
|
dongsheng@635
|
11061 msgstr "测试与问题处理"
|
dongsheng@627
|
11062
|
dongsheng@627
|
11063 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11064 #: ../en/ch09-hook.xml:824
|
dongsheng@627
|
11065 msgid ""
|
dongsheng@627
|
11066 "If you want to test the <literal role=\"hg-ext\">acl</literal> hook, run it "
|
dongsheng@627
|
11067 "with Mercurial's debugging output enabled. Since you'll probably be running "
|
dongsheng@627
|
11068 "it on a server where it's not convenient (or sometimes possible) to pass in "
|
dongsheng@627
|
11069 "the <option role=\"hg-opt-global\">--debug</option> option, don't forget that "
|
dongsheng@650
|
11070 "you can enable debugging output in your <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
11071 "filename>:"
|
dongsheng@627
|
11072 msgstr ""
|
dongsheng@627
|
11073
|
dongsheng@627
|
11074 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11075 #: ../en/ch09-hook.xml:835
|
dongsheng@627
|
11076 msgid ""
|
dongsheng@627
|
11077 "With this enabled, the <literal role=\"hg-ext\">acl</literal> hook will print "
|
dongsheng@627
|
11078 "enough information to let you figure out why it is allowing or forbidding "
|
dongsheng@627
|
11079 "pushes from specific users."
|
dongsheng@627
|
11080 msgstr ""
|
dongsheng@627
|
11081
|
dongsheng@627
|
11082 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
11083 #: ../en/ch09-hook.xml:844
|
songdongsheng@668
|
11084 msgid ""
|
songdongsheng@668
|
11085 "<literal role=\"hg-ext\">bugzilla</literal>&emdash;integration with Bugzilla"
|
dongsheng@661
|
11086 msgstr "<literal role=\"hg-ext\">bugzilla</literal>—与 Bugzilla 的集成"
|
dongsheng@627
|
11087
|
dongsheng@627
|
11088 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11089 #: ../en/ch09-hook.xml:848
|
dongsheng@627
|
11090 msgid ""
|
dongsheng@627
|
11091 "The <literal role=\"hg-ext\">bugzilla</literal> extension adds a comment to a "
|
dongsheng@627
|
11092 "Bugzilla bug whenever it finds a reference to that bug ID in a commit "
|
dongsheng@627
|
11093 "comment. You can install this hook on a shared server, so that any time a "
|
dongsheng@627
|
11094 "remote user pushes changes to this server, the hook gets run."
|
dongsheng@627
|
11095 msgstr ""
|
dongsheng@627
|
11096
|
dongsheng@627
|
11097 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11098 #: ../en/ch09-hook.xml:855
|
dongsheng@627
|
11099 msgid ""
|
dongsheng@627
|
11100 "It adds a comment to the bug that looks like this (you can configure the "
|
songdongsheng@668
|
11101 "contents of the comment&emdash;see below):"
|
dongsheng@627
|
11102 msgstr ""
|
dongsheng@627
|
11103
|
dongsheng@627
|
11104 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11105 #: ../en/ch09-hook.xml:864
|
dongsheng@627
|
11106 msgid ""
|
dongsheng@627
|
11107 "The value of this hook is that it automates the process of updating a bug any "
|
dongsheng@627
|
11108 "time a changeset refers to it. If you configure the hook properly, it makes "
|
dongsheng@627
|
11109 "it easy for people to browse straight from a Bugzilla bug to a changeset that "
|
dongsheng@627
|
11110 "refers to that bug."
|
dongsheng@627
|
11111 msgstr ""
|
dongsheng@627
|
11112
|
dongsheng@627
|
11113 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11114 #: ../en/ch09-hook.xml:871
|
dongsheng@627
|
11115 msgid ""
|
dongsheng@627
|
11116 "You can use the code in this hook as a starting point for some more exotic "
|
dongsheng@627
|
11117 "Bugzilla integration recipes. Here are a few possibilities:"
|
dongsheng@627
|
11118 msgstr ""
|
dongsheng@627
|
11119
|
dongsheng@627
|
11120 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
11121 #: ../en/ch09-hook.xml:876
|
dongsheng@627
|
11122 msgid ""
|
dongsheng@627
|
11123 "Require that every changeset pushed to the server have a valid bug ID in its "
|
dongsheng@627
|
11124 "commit comment. In this case, you'd want to configure the hook as a <literal "
|
dongsheng@627
|
11125 "role=\"hook\">pretxncommit</literal> hook. This would allow the hook to "
|
dongsheng@627
|
11126 "reject changes that didn't contain bug IDs."
|
dongsheng@627
|
11127 msgstr ""
|
dongsheng@627
|
11128
|
dongsheng@627
|
11129 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
11130 #: ../en/ch09-hook.xml:884
|
dongsheng@627
|
11131 msgid ""
|
dongsheng@627
|
11132 "Allow incoming changesets to automatically modify the <emphasis>state</"
|
dongsheng@627
|
11133 "emphasis> of a bug, as well as simply adding a comment. For example, the "
|
dongsheng@627
|
11134 "hook could recognise the string <quote>fixed bug 31337</quote> as indicating "
|
dongsheng@627
|
11135 "that it should update the state of bug 31337 to <quote>requires testing</"
|
dongsheng@627
|
11136 "quote>."
|
dongsheng@627
|
11137 msgstr ""
|
dongsheng@627
|
11138
|
dongsheng@627
|
11139 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
11140 #: ../en/ch09-hook.xml:894
|
dongsheng@627
|
11141 msgid "Configuring the <literal role=\"hook\">bugzilla</literal> hook"
|
dongsheng@635
|
11142 msgstr "配置 <literal role=\"hook\">bugzilla</literal> 钩子"
|
dongsheng@627
|
11143
|
dongsheng@627
|
11144 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11145 #: ../en/ch09-hook.xml:897
|
dongsheng@650
|
11146 msgid ""
|
dongsheng@650
|
11147 "You should configure this hook in your server's <filename role=\"special\">~/."
|
dongsheng@650
|
11148 "hgrc</filename> as an <literal role=\"hook\">incoming</literal> hook, for "
|
dongsheng@627
|
11149 "example as follows:"
|
dongsheng@627
|
11150 msgstr ""
|
dongsheng@627
|
11151
|
dongsheng@627
|
11152 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11153 #: ../en/ch09-hook.xml:905
|
dongsheng@627
|
11154 msgid ""
|
dongsheng@627
|
11155 "Because of the specialised nature of this hook, and because Bugzilla was not "
|
dongsheng@627
|
11156 "written with this kind of integration in mind, configuring this hook is a "
|
dongsheng@627
|
11157 "somewhat involved process."
|
dongsheng@627
|
11158 msgstr ""
|
dongsheng@627
|
11159
|
dongsheng@627
|
11160 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11161 #: ../en/ch09-hook.xml:911
|
dongsheng@627
|
11162 msgid ""
|
dongsheng@627
|
11163 "Before you begin, you must install the MySQL bindings for Python on the host"
|
dongsheng@627
|
11164 "(s) where you'll be running the hook. If this is not available as a binary "
|
dongsheng@627
|
11165 "package for your system, you can download it from <citation>web:mysql-python</"
|
dongsheng@627
|
11166 "citation>."
|
dongsheng@627
|
11167 msgstr ""
|
dongsheng@627
|
11168
|
dongsheng@627
|
11169 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11170 #: ../en/ch09-hook.xml:918
|
dongsheng@627
|
11171 msgid ""
|
dongsheng@627
|
11172 "Configuration information for this hook lives in the <literal role=\"rc-"
|
dongsheng@650
|
11173 "bugzilla\">bugzilla</literal> section of your <filename role=\"special\">~/."
|
dongsheng@627
|
11174 "hgrc</filename>."
|
dongsheng@627
|
11175 msgstr ""
|
dongsheng@627
|
11176
|
dongsheng@627
|
11177 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11178 #: ../en/ch09-hook.xml:923
|
dongsheng@627
|
11179 msgid ""
|
dongsheng@627
|
11180 "<envar role=\"rc-item-bugzilla\">version</envar>: The version of Bugzilla "
|
dongsheng@627
|
11181 "installed on the server. The database schema that Bugzilla uses changes "
|
dongsheng@627
|
11182 "occasionally, so this hook has to know exactly which schema to use. At the "
|
dongsheng@627
|
11183 "moment, the only version supported is <literal>2.16</literal>."
|
dongsheng@627
|
11184 msgstr ""
|
dongsheng@627
|
11185
|
dongsheng@627
|
11186 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11187 #: ../en/ch09-hook.xml:932
|
dongsheng@627
|
11188 msgid ""
|
dongsheng@627
|
11189 "<envar role=\"rc-item-bugzilla\">host</envar>: The hostname of the MySQL "
|
dongsheng@627
|
11190 "server that stores your Bugzilla data. The database must be configured to "
|
dongsheng@627
|
11191 "allow connections from whatever host you are running the <literal role=\"hook"
|
dongsheng@627
|
11192 "\">bugzilla</literal> hook on."
|
dongsheng@627
|
11193 msgstr ""
|
dongsheng@627
|
11194
|
dongsheng@627
|
11195 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11196 #: ../en/ch09-hook.xml:939
|
dongsheng@627
|
11197 msgid ""
|
dongsheng@627
|
11198 "<envar role=\"rc-item-bugzilla\">user</envar>: The username with which to "
|
dongsheng@627
|
11199 "connect to the MySQL server. The database must be configured to allow this "
|
dongsheng@627
|
11200 "user to connect from whatever host you are running the <literal role=\"hook"
|
dongsheng@627
|
11201 "\">bugzilla</literal> hook on. This user must be able to access and modify "
|
dongsheng@627
|
11202 "Bugzilla tables. The default value of this item is <literal>bugs</literal>, "
|
dongsheng@627
|
11203 "which is the standard name of the Bugzilla user in a MySQL database."
|
dongsheng@627
|
11204 msgstr ""
|
dongsheng@627
|
11205
|
dongsheng@627
|
11206 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11207 #: ../en/ch09-hook.xml:950
|
dongsheng@627
|
11208 msgid ""
|
dongsheng@627
|
11209 "<envar role=\"rc-item-bugzilla\">password</envar>: The MySQL password for the "
|
dongsheng@627
|
11210 "user you configured above. This is stored as plain text, so you should make "
|
dongsheng@650
|
11211 "sure that unauthorised users cannot read the <filename role=\"special\">~/."
|
dongsheng@650
|
11212 "hgrc</filename> file where you store this information."
|
dongsheng@627
|
11213 msgstr ""
|
dongsheng@627
|
11214
|
dongsheng@627
|
11215 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11216 #: ../en/ch09-hook.xml:959
|
dongsheng@627
|
11217 msgid ""
|
dongsheng@627
|
11218 "<envar role=\"rc-item-bugzilla\">db</envar>: The name of the Bugzilla "
|
dongsheng@627
|
11219 "database on the MySQL server. The default value of this item is "
|
dongsheng@627
|
11220 "<literal>bugs</literal>, which is the standard name of the MySQL database "
|
dongsheng@627
|
11221 "where Bugzilla stores its data."
|
dongsheng@627
|
11222 msgstr ""
|
dongsheng@627
|
11223
|
dongsheng@627
|
11224 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11225 #: ../en/ch09-hook.xml:966
|
dongsheng@627
|
11226 msgid ""
|
dongsheng@627
|
11227 "<envar role=\"rc-item-bugzilla\">notify</envar>: If you want Bugzilla to send "
|
dongsheng@627
|
11228 "out a notification email to subscribers after this hook has added a comment "
|
dongsheng@627
|
11229 "to a bug, you will need this hook to run a command whenever it updates the "
|
dongsheng@627
|
11230 "database. The command to run depends on where you have installed Bugzilla, "
|
dongsheng@627
|
11231 "but it will typically look something like this, if you have Bugzilla "
|
dongsheng@627
|
11232 "installed in <filename class=\"directory\">/var/www/html/bugzilla</filename>:"
|
dongsheng@627
|
11233 msgstr ""
|
dongsheng@627
|
11234
|
dongsheng@627
|
11235 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11236 #: ../en/ch09-hook.xml:979
|
dongsheng@627
|
11237 msgid ""
|
dongsheng@627
|
11238 "The Bugzilla <literal>processmail</literal> program expects to be given a bug "
|
dongsheng@627
|
11239 "ID (the hook replaces <quote><literal>%s</literal></quote> with the bug ID) "
|
dongsheng@627
|
11240 "and an email address. It also expects to be able to write to some files in "
|
dongsheng@627
|
11241 "the directory that it runs in. If Bugzilla and this hook are not installed "
|
dongsheng@627
|
11242 "on the same machine, you will need to find a way to run <literal>processmail</"
|
dongsheng@627
|
11243 "literal> on the server where Bugzilla is installed."
|
dongsheng@627
|
11244 msgstr ""
|
dongsheng@627
|
11245
|
dongsheng@627
|
11246 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
11247 #: ../en/ch09-hook.xml:994
|
dongsheng@627
|
11248 msgid "Mapping committer names to Bugzilla user names"
|
dongsheng@635
|
11249 msgstr "提交者的名称与 Bugzilla 用户名称的映射"
|
dongsheng@627
|
11250
|
dongsheng@627
|
11251 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11252 #: ../en/ch09-hook.xml:996
|
dongsheng@627
|
11253 msgid ""
|
dongsheng@627
|
11254 "By default, the <literal role=\"hg-ext\">bugzilla</literal> hook tries to use "
|
dongsheng@627
|
11255 "the email address of a changeset's committer as the Bugzilla user name with "
|
dongsheng@627
|
11256 "which to update a bug. If this does not suit your needs, you can map "
|
dongsheng@627
|
11257 "committer email addresses to Bugzilla user names using a <literal role=\"rc-"
|
dongsheng@627
|
11258 "usermap\">usermap</literal> section."
|
dongsheng@627
|
11259 msgstr ""
|
dongsheng@627
|
11260
|
dongsheng@627
|
11261 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11262 #: ../en/ch09-hook.xml:1005
|
dongsheng@627
|
11263 msgid ""
|
dongsheng@627
|
11264 "Each item in the <literal role=\"rc-usermap\">usermap</literal> section "
|
dongsheng@627
|
11265 "contains an email address on the left, and a Bugzilla user name on the right."
|
dongsheng@627
|
11266 msgstr ""
|
dongsheng@627
|
11267
|
dongsheng@627
|
11268 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11269 #: ../en/ch09-hook.xml:1012
|
dongsheng@627
|
11270 msgid ""
|
dongsheng@627
|
11271 "You can either keep the <literal role=\"rc-usermap\">usermap</literal> data "
|
dongsheng@627
|
11272 "in a normal <filename role=\"special\">~/.hgrc</filename>, or tell the "
|
dongsheng@627
|
11273 "<literal role=\"hg-ext\">bugzilla</literal> hook to read the information from "
|
dongsheng@627
|
11274 "an external <filename>usermap</filename> file. In the latter case, you can "
|
dongsheng@627
|
11275 "store <filename>usermap</filename> data by itself in (for example) a user-"
|
dongsheng@627
|
11276 "modifiable repository. This makes it possible to let your users maintain "
|
dongsheng@627
|
11277 "their own <envar role=\"rc-item-bugzilla\">usermap</envar> entries. The main "
|
dongsheng@650
|
11278 "<filename role=\"special\">~/.hgrc</filename> file might look like this:"
|
dongsheng@627
|
11279 msgstr ""
|
dongsheng@627
|
11280
|
dongsheng@627
|
11281 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11282 #: ../en/ch09-hook.xml:1028
|
dongsheng@627
|
11283 msgid ""
|
dongsheng@627
|
11284 "While the <filename>usermap</filename> file that it refers to might look like "
|
dongsheng@627
|
11285 "this:"
|
dongsheng@627
|
11286 msgstr ""
|
dongsheng@627
|
11287
|
dongsheng@627
|
11288 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
11289 #: ../en/ch09-hook.xml:1036
|
dongsheng@627
|
11290 msgid "Configuring the text that gets added to a bug"
|
dongsheng@635
|
11291 msgstr "配置增加到问题中的正文"
|
dongsheng@627
|
11292
|
dongsheng@627
|
11293 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11294 #: ../en/ch09-hook.xml:1038
|
dongsheng@627
|
11295 msgid ""
|
dongsheng@627
|
11296 "You can configure the text that this hook adds as a comment; you specify it "
|
dongsheng@650
|
11297 "in the form of a Mercurial template. Several <filename role=\"special\">~/."
|
dongsheng@650
|
11298 "hgrc</filename> entries (still in the <literal role=\"rc-bugzilla\">bugzilla</"
|
dongsheng@650
|
11299 "literal> section) control this behaviour."
|
dongsheng@627
|
11300 msgstr ""
|
dongsheng@627
|
11301
|
dongsheng@627
|
11302 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11303 #: ../en/ch09-hook.xml:1045
|
dongsheng@627
|
11304 msgid ""
|
dongsheng@627
|
11305 "<literal>strip</literal>: The number of leading path elements to strip from a "
|
dongsheng@627
|
11306 "repository's path name to construct a partial path for a URL. For example, if "
|
dongsheng@627
|
11307 "the repositories on your server live under <filename class=\"directory\">/"
|
dongsheng@627
|
11308 "home/hg/repos</filename>, and you have a repository whose path is <filename "
|
dongsheng@627
|
11309 "class=\"directory\">/home/hg/repos/app/tests</filename>, then setting "
|
dongsheng@627
|
11310 "<literal>strip</literal> to <literal>4</literal> will give a partial path of "
|
dongsheng@627
|
11311 "<filename class=\"directory\">app/tests</filename>. The hook will make this "
|
dongsheng@627
|
11312 "partial path available when expanding a template, as <literal>webroot</"
|
dongsheng@627
|
11313 "literal>."
|
dongsheng@627
|
11314 msgstr ""
|
dongsheng@627
|
11315
|
dongsheng@627
|
11316 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11317 #: ../en/ch09-hook.xml:1059
|
dongsheng@627
|
11318 msgid ""
|
dongsheng@627
|
11319 "<literal>template</literal>: The text of the template to use. In addition to "
|
dongsheng@627
|
11320 "the usual changeset-related variables, this template can use <literal>hgweb</"
|
dongsheng@627
|
11321 "literal> (the value of the <literal>hgweb</literal> configuration item above) "
|
dongsheng@627
|
11322 "and <literal>webroot</literal> (the path constructed using <literal>strip</"
|
dongsheng@627
|
11323 "literal> above)."
|
dongsheng@627
|
11324 msgstr ""
|
dongsheng@627
|
11325
|
dongsheng@627
|
11326 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11327 #: ../en/ch09-hook.xml:1069
|
dongsheng@627
|
11328 msgid ""
|
dongsheng@627
|
11329 "In addition, you can add a <envar role=\"rc-item-web\">baseurl</envar> item "
|
dongsheng@627
|
11330 "to the <literal role=\"rc-web\">web</literal> section of your <filename role="
|
dongsheng@650
|
11331 "\"special\">~/.hgrc</filename>. The <literal role=\"hg-ext\">bugzilla</"
|
dongsheng@627
|
11332 "literal> hook will make this available when expanding a template, as the base "
|
dongsheng@627
|
11333 "string to use when constructing a URL that will let users browse from a "
|
dongsheng@627
|
11334 "Bugzilla comment to view a changeset. Example:"
|
dongsheng@627
|
11335 msgstr ""
|
dongsheng@627
|
11336
|
dongsheng@627
|
11337 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11338 #: ../en/ch09-hook.xml:1081
|
dongsheng@627
|
11339 msgid ""
|
dongsheng@627
|
11340 "Here is an example set of <literal role=\"hg-ext\">bugzilla</literal> hook "
|
dongsheng@627
|
11341 "config information."
|
dongsheng@627
|
11342 msgstr ""
|
dongsheng@627
|
11343
|
dongsheng@627
|
11344 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11345 #: ../en/ch09-hook.xml:1091
|
dongsheng@627
|
11346 msgid ""
|
dongsheng@627
|
11347 "The most common problems with configuring the <literal role=\"hg-ext"
|
dongsheng@627
|
11348 "\">bugzilla</literal> hook relate to running Bugzilla's "
|
dongsheng@627
|
11349 "<filename>processmail</filename> script and mapping committer names to user "
|
dongsheng@627
|
11350 "names."
|
dongsheng@627
|
11351 msgstr ""
|
dongsheng@627
|
11352
|
dongsheng@627
|
11353 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11354 #: ../en/ch09-hook.xml:1097
|
dongsheng@627
|
11355 msgid ""
|
songdongsheng@658
|
11356 "Recall from <xref linkend=\"sec:hook:bugzilla:config\"/> above that the user "
|
songdongsheng@658
|
11357 "that runs the Mercurial process on the server is also the one that will run "
|
songdongsheng@658
|
11358 "the <filename>processmail</filename> script. The <filename>processmail</"
|
songdongsheng@658
|
11359 "filename> script sometimes causes Bugzilla to write to files in its "
|
songdongsheng@658
|
11360 "configuration directory, and Bugzilla's configuration files are usually owned "
|
songdongsheng@658
|
11361 "by the user that your web server runs under."
|
dongsheng@627
|
11362 msgstr ""
|
dongsheng@627
|
11363
|
dongsheng@627
|
11364 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11365 #: ../en/ch09-hook.xml:1108
|
dongsheng@627
|
11366 msgid ""
|
dongsheng@627
|
11367 "You can cause <filename>processmail</filename> to be run with the suitable "
|
dongsheng@627
|
11368 "user's identity using the <command>sudo</command> command. Here is an "
|
dongsheng@627
|
11369 "example entry for a <filename>sudoers</filename> file."
|
dongsheng@627
|
11370 msgstr ""
|
dongsheng@627
|
11371
|
dongsheng@627
|
11372 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11373 #: ../en/ch09-hook.xml:1115
|
dongsheng@627
|
11374 msgid ""
|
dongsheng@627
|
11375 "This allows the <literal>hg_user</literal> user to run a "
|
dongsheng@627
|
11376 "<filename>processmail-wrapper</filename> program under the identity of "
|
dongsheng@627
|
11377 "<literal>httpd_user</literal>."
|
dongsheng@627
|
11378 msgstr ""
|
dongsheng@627
|
11379
|
dongsheng@627
|
11380 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11381 #: ../en/ch09-hook.xml:1120
|
dongsheng@627
|
11382 msgid ""
|
dongsheng@627
|
11383 "This indirection through a wrapper script is necessary, because "
|
dongsheng@627
|
11384 "<filename>processmail</filename> expects to be run with its current directory "
|
dongsheng@627
|
11385 "set to wherever you installed Bugzilla; you can't specify that kind of "
|
dongsheng@627
|
11386 "constraint in a <filename>sudoers</filename> file. The contents of the "
|
dongsheng@627
|
11387 "wrapper script are simple:"
|
dongsheng@627
|
11388 msgstr ""
|
dongsheng@627
|
11389
|
dongsheng@627
|
11390 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11391 #: ../en/ch09-hook.xml:1129
|
dongsheng@627
|
11392 msgid ""
|
dongsheng@627
|
11393 "It doesn't seem to matter what email address you pass to "
|
dongsheng@627
|
11394 "<filename>processmail</filename>."
|
dongsheng@627
|
11395 msgstr ""
|
dongsheng@627
|
11396
|
dongsheng@627
|
11397 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11398 #: ../en/ch09-hook.xml:1133
|
dongsheng@627
|
11399 msgid ""
|
dongsheng@627
|
11400 "If your <literal role=\"rc-usermap\">usermap</literal> is not set up "
|
dongsheng@627
|
11401 "correctly, users will see an error message from the <literal role=\"hg-ext"
|
dongsheng@627
|
11402 "\">bugzilla</literal> hook when they push changes to the server. The error "
|
dongsheng@627
|
11403 "message will look like this:"
|
dongsheng@627
|
11404 msgstr ""
|
dongsheng@627
|
11405
|
dongsheng@627
|
11406 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11407 #: ../en/ch09-hook.xml:1140
|
dongsheng@627
|
11408 msgid ""
|
dongsheng@627
|
11409 "What this means is that the committer's address, <literal>john.q."
|
dongsheng@627
|
11410 "public@example.com</literal>, is not a valid Bugzilla user name, nor does it "
|
dongsheng@627
|
11411 "have an entry in your <literal role=\"rc-usermap\">usermap</literal> that "
|
dongsheng@627
|
11412 "maps it to a valid Bugzilla user name."
|
dongsheng@627
|
11413 msgstr ""
|
dongsheng@627
|
11414
|
dongsheng@627
|
11415 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
11416 #: ../en/ch09-hook.xml:1150
|
songdongsheng@668
|
11417 msgid ""
|
songdongsheng@668
|
11418 "<literal role=\"hg-ext\">notify</literal>&emdash;send email notifications"
|
dongsheng@661
|
11419 msgstr "<literal role=\"hg-ext\">notify</literal>—邮件通知"
|
dongsheng@627
|
11420
|
dongsheng@627
|
11421 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11422 #: ../en/ch09-hook.xml:1153
|
dongsheng@627
|
11423 msgid ""
|
dongsheng@627
|
11424 "Although Mercurial's built-in web server provides RSS feeds of changes in "
|
dongsheng@627
|
11425 "every repository, many people prefer to receive change notifications via "
|
dongsheng@627
|
11426 "email. The <literal role=\"hg-ext\">notify</literal> hook lets you send out "
|
dongsheng@627
|
11427 "notifications to a set of email addresses whenever changesets arrive that "
|
dongsheng@627
|
11428 "those subscribers are interested in."
|
dongsheng@627
|
11429 msgstr ""
|
dongsheng@627
|
11430
|
dongsheng@627
|
11431 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11432 #: ../en/ch09-hook.xml:1161
|
dongsheng@627
|
11433 msgid ""
|
dongsheng@627
|
11434 "As with the <literal role=\"hg-ext\">bugzilla</literal> hook, the <literal "
|
dongsheng@627
|
11435 "role=\"hg-ext\">notify</literal> hook is template-driven, so you can "
|
dongsheng@627
|
11436 "customise the contents of the notification messages that it sends."
|
dongsheng@627
|
11437 msgstr ""
|
dongsheng@627
|
11438
|
dongsheng@627
|
11439 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11440 #: ../en/ch09-hook.xml:1167
|
dongsheng@627
|
11441 msgid ""
|
dongsheng@627
|
11442 "By default, the <literal role=\"hg-ext\">notify</literal> hook includes a "
|
dongsheng@627
|
11443 "diff of every changeset that it sends out; you can limit the size of the "
|
dongsheng@627
|
11444 "diff, or turn this feature off entirely. It is useful for letting "
|
dongsheng@627
|
11445 "subscribers review changes immediately, rather than clicking to follow a URL."
|
dongsheng@627
|
11446 msgstr ""
|
dongsheng@627
|
11447
|
dongsheng@627
|
11448 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
dongsheng@650
|
11449 #: ../en/ch09-hook.xml:1175
|
dongsheng@627
|
11450 msgid "Configuring the <literal role=\"hg-ext\">notify</literal> hook"
|
dongsheng@635
|
11451 msgstr "配置 <literal role=\"hg-ext\">notify</literal> 钩子"
|
dongsheng@627
|
11452
|
dongsheng@627
|
11453 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11454 #: ../en/ch09-hook.xml:1178
|
dongsheng@627
|
11455 msgid ""
|
dongsheng@627
|
11456 "You can set up the <literal role=\"hg-ext\">notify</literal> hook to send one "
|
dongsheng@627
|
11457 "email message per incoming changeset, or one per incoming group of changesets "
|
dongsheng@627
|
11458 "(all those that arrived in a single pull or push)."
|
dongsheng@627
|
11459 msgstr ""
|
dongsheng@627
|
11460
|
dongsheng@627
|
11461 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
dongsheng@650
|
11462 #: ../en/ch09-hook.xml:1190
|
dongsheng@627
|
11463 msgid ""
|
dongsheng@627
|
11464 "Configuration information for this hook lives in the <literal role=\"rc-notify"
|
dongsheng@650
|
11465 "\">notify</literal> section of a <filename role=\"special\">~/.hgrc</"
|
dongsheng@650
|
11466 "filename> file."
|
dongsheng@627
|
11467 msgstr ""
|
dongsheng@627
|
11468
|
dongsheng@627
|
11469 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11470 #: ../en/ch09-hook.xml:1195
|
dongsheng@627
|
11471 msgid ""
|
dongsheng@627
|
11472 "<envar role=\"rc-item-notify\">test</envar>: By default, this hook does not "
|
dongsheng@627
|
11473 "send out email at all; instead, it prints the message that it "
|
dongsheng@627
|
11474 "<emphasis>would</emphasis> send. Set this item to <literal>false</literal> "
|
dongsheng@627
|
11475 "to allow email to be sent. The reason that sending of email is turned off by "
|
dongsheng@627
|
11476 "default is that it takes several tries to configure this extension exactly as "
|
dongsheng@627
|
11477 "you would like, and it would be bad form to spam subscribers with a number of "
|
dongsheng@627
|
11478 "<quote>broken</quote> notifications while you debug your configuration."
|
dongsheng@627
|
11479 msgstr ""
|
dongsheng@627
|
11480
|
dongsheng@627
|
11481 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11482 #: ../en/ch09-hook.xml:1207
|
dongsheng@627
|
11483 msgid ""
|
dongsheng@627
|
11484 "<envar role=\"rc-item-notify\">config</envar>: The path to a configuration "
|
dongsheng@627
|
11485 "file that contains subscription information. This is kept separate from the "
|
dongsheng@650
|
11486 "main <filename role=\"special\">~/.hgrc</filename> so that you can maintain "
|
dongsheng@627
|
11487 "it in a repository of its own. People can then clone that repository, update "
|
dongsheng@627
|
11488 "their subscriptions, and push the changes back to your server."
|
dongsheng@627
|
11489 msgstr ""
|
dongsheng@627
|
11490
|
dongsheng@627
|
11491 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11492 #: ../en/ch09-hook.xml:1216
|
dongsheng@627
|
11493 msgid ""
|
dongsheng@627
|
11494 "<envar role=\"rc-item-notify\">strip</envar>: The number of leading path "
|
dongsheng@627
|
11495 "separator characters to strip from a repository's path, when deciding whether "
|
dongsheng@627
|
11496 "a repository has subscribers. For example, if the repositories on your "
|
dongsheng@627
|
11497 "server live in <filename class=\"directory\">/home/hg/repos</filename>, and "
|
dongsheng@627
|
11498 "<literal role=\"hg-ext\">notify</literal> is considering a repository named "
|
dongsheng@627
|
11499 "<filename class=\"directory\">/home/hg/repos/shared/test</filename>, setting "
|
dongsheng@627
|
11500 "<envar role=\"rc-item-notify\">strip</envar> to <literal>4</literal> will "
|
dongsheng@627
|
11501 "cause <literal role=\"hg-ext\">notify</literal> to trim the path it considers "
|
dongsheng@627
|
11502 "down to <filename class=\"directory\">shared/test</filename>, and it will "
|
dongsheng@627
|
11503 "match subscribers against that."
|
dongsheng@627
|
11504 msgstr ""
|
dongsheng@627
|
11505
|
dongsheng@627
|
11506 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11507 #: ../en/ch09-hook.xml:1233
|
dongsheng@627
|
11508 msgid ""
|
dongsheng@627
|
11509 "<envar role=\"rc-item-notify\">template</envar>: The template text to use "
|
dongsheng@627
|
11510 "when sending messages. This specifies both the contents of the message "
|
dongsheng@627
|
11511 "header and its body."
|
dongsheng@627
|
11512 msgstr ""
|
dongsheng@627
|
11513
|
dongsheng@627
|
11514 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11515 #: ../en/ch09-hook.xml:1239
|
dongsheng@627
|
11516 msgid ""
|
dongsheng@627
|
11517 "<envar role=\"rc-item-notify\">maxdiff</envar>: The maximum number of lines "
|
dongsheng@627
|
11518 "of diff data to append to the end of a message. If a diff is longer than "
|
dongsheng@627
|
11519 "this, it is truncated. By default, this is set to 300. Set this to "
|
dongsheng@627
|
11520 "<literal>0</literal> to omit diffs from notification emails."
|
dongsheng@627
|
11521 msgstr ""
|
dongsheng@627
|
11522
|
dongsheng@627
|
11523 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
dongsheng@650
|
11524 #: ../en/ch09-hook.xml:1248
|
dongsheng@627
|
11525 msgid ""
|
dongsheng@627
|
11526 "<envar role=\"rc-item-notify\">sources</envar>: A list of sources of "
|
dongsheng@627
|
11527 "changesets to consider. This lets you limit <literal role=\"hg-ext\">notify</"
|
dongsheng@627
|
11528 "literal> to only sending out email about changes that remote users pushed "
|
songdongsheng@658
|
11529 "into this repository via a server, for example. See <xref linkend=\"sec:hook:"
|
songdongsheng@658
|
11530 "sources\"/> for the sources you can specify here."
|
dongsheng@627
|
11531 msgstr ""
|
dongsheng@627
|
11532
|
dongsheng@627
|
11533 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11534 #: ../en/ch09-hook.xml:1259
|
dongsheng@627
|
11535 msgid ""
|
dongsheng@627
|
11536 "If you set the <envar role=\"rc-item-web\">baseurl</envar> item in the "
|
dongsheng@627
|
11537 "<literal role=\"rc-web\">web</literal> section, you can use it in a template; "
|
dongsheng@627
|
11538 "it will be available as <literal>webroot</literal>."
|
dongsheng@627
|
11539 msgstr ""
|
dongsheng@627
|
11540
|
dongsheng@627
|
11541 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11542 #: ../en/ch09-hook.xml:1265
|
dongsheng@627
|
11543 msgid ""
|
dongsheng@627
|
11544 "Here is an example set of <literal role=\"hg-ext\">notify</literal> "
|
dongsheng@627
|
11545 "configuration information."
|
dongsheng@627
|
11546 msgstr ""
|
dongsheng@627
|
11547
|
dongsheng@627
|
11548 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11549 #: ../en/ch09-hook.xml:1271
|
dongsheng@627
|
11550 msgid "This will produce a message that looks like the following:"
|
dongsheng@627
|
11551 msgstr ""
|
dongsheng@627
|
11552
|
dongsheng@627
|
11553 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11554 #: ../en/ch09-hook.xml:1281
|
dongsheng@627
|
11555 msgid ""
|
dongsheng@627
|
11556 "Do not forget that by default, the <literal role=\"hg-ext\">notify</literal> "
|
dongsheng@627
|
11557 "extension <emphasis>will not send any mail</emphasis> until you explicitly "
|
dongsheng@627
|
11558 "configure it to do so, by setting <envar role=\"rc-item-notify\">test</envar> "
|
dongsheng@627
|
11559 "to <literal>false</literal>. Until you do that, it simply prints the message "
|
dongsheng@627
|
11560 "it <emphasis>would</emphasis> send."
|
dongsheng@627
|
11561 msgstr ""
|
dongsheng@627
|
11562
|
dongsheng@627
|
11563 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
11564 #: ../en/ch09-hook.xml:1293
|
dongsheng@627
|
11565 msgid "Information for writers of hooks"
|
dongsheng@635
|
11566 msgstr "编写钩子的信息"
|
dongsheng@627
|
11567
|
dongsheng@627
|
11568 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
11569 #: ../en/ch09-hook.xml:1296
|
dongsheng@627
|
11570 msgid "In-process hook execution"
|
dongsheng@635
|
11571 msgstr "进程内钩子的执行"
|
dongsheng@627
|
11572
|
dongsheng@627
|
11573 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11574 #: ../en/ch09-hook.xml:1298
|
dongsheng@627
|
11575 msgid "An in-process hook is called with arguments of the following form:"
|
dongsheng@627
|
11576 msgstr ""
|
dongsheng@627
|
11577
|
dongsheng@627
|
11578 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11579 #: ../en/ch09-hook.xml:1302
|
dongsheng@627
|
11580 msgid ""
|
dongsheng@627
|
11581 "The <literal>ui</literal> parameter is a <literal role=\"py-mod-mercurial.ui"
|
dongsheng@627
|
11582 "\">ui</literal> object. The <literal>repo</literal> parameter is a <literal "
|
dongsheng@627
|
11583 "role=\"py-mod-mercurial.localrepo\">localrepository</literal> object. The "
|
dongsheng@627
|
11584 "names and values of the <literal>**kwargs</literal> parameters depend on the "
|
dongsheng@627
|
11585 "hook being invoked, with the following common features:"
|
dongsheng@627
|
11586 msgstr ""
|
dongsheng@627
|
11587
|
dongsheng@627
|
11588 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11589 #: ../en/ch09-hook.xml:1311
|
dongsheng@627
|
11590 msgid ""
|
dongsheng@627
|
11591 "If a parameter is named <literal>node</literal> or <literal>parentN</"
|
dongsheng@627
|
11592 "literal>, it will contain a hexadecimal changeset ID. The empty string is "
|
dongsheng@627
|
11593 "used to represent <quote>null changeset ID</quote> instead of a string of "
|
dongsheng@627
|
11594 "zeroes."
|
dongsheng@627
|
11595 msgstr ""
|
dongsheng@627
|
11596
|
dongsheng@627
|
11597 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11598 #: ../en/ch09-hook.xml:1318
|
dongsheng@627
|
11599 msgid ""
|
dongsheng@627
|
11600 "If a parameter is named <literal>url</literal>, it will contain the URL of a "
|
dongsheng@627
|
11601 "remote repository, if that can be determined."
|
dongsheng@627
|
11602 msgstr ""
|
dongsheng@627
|
11603
|
dongsheng@627
|
11604 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11605 #: ../en/ch09-hook.xml:1323
|
dongsheng@627
|
11606 msgid ""
|
dongsheng@627
|
11607 "Boolean-valued parameters are represented as Python <literal>bool</literal> "
|
dongsheng@627
|
11608 "objects."
|
dongsheng@627
|
11609 msgstr ""
|
dongsheng@627
|
11610
|
dongsheng@627
|
11611 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11612 #: ../en/ch09-hook.xml:1328
|
dongsheng@627
|
11613 msgid ""
|
dongsheng@627
|
11614 "An in-process hook is called without a change to the process's working "
|
dongsheng@627
|
11615 "directory (unlike external hooks, which are run in the root of the "
|
dongsheng@627
|
11616 "repository). It must not change the process's working directory, or it will "
|
dongsheng@627
|
11617 "cause any calls it makes into the Mercurial API to fail."
|
dongsheng@627
|
11618 msgstr ""
|
dongsheng@627
|
11619
|
dongsheng@627
|
11620 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11621 #: ../en/ch09-hook.xml:1335
|
dongsheng@627
|
11622 msgid ""
|
dongsheng@627
|
11623 "If a hook returns a boolean <quote>false</quote> value, it is considered to "
|
dongsheng@627
|
11624 "have succeeded. If it returns a boolean <quote>true</quote> value or raises "
|
dongsheng@627
|
11625 "an exception, it is considered to have failed. A useful way to think of the "
|
dongsheng@627
|
11626 "calling convention is <quote>tell me if you fail</quote>."
|
dongsheng@627
|
11627 msgstr ""
|
dongsheng@627
|
11628
|
dongsheng@627
|
11629 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11630 #: ../en/ch09-hook.xml:1342
|
dongsheng@627
|
11631 msgid ""
|
dongsheng@627
|
11632 "Note that changeset IDs are passed into Python hooks as hexadecimal strings, "
|
dongsheng@627
|
11633 "not the binary hashes that Mercurial's APIs normally use. To convert a hash "
|
dongsheng@650
|
11634 "from hex to binary, use the <literal>bin</literal> function."
|
dongsheng@650
|
11635 msgstr ""
|
dongsheng@650
|
11636
|
dongsheng@650
|
11637 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
11638 #: ../en/ch09-hook.xml:1350
|
dongsheng@627
|
11639 msgid "External hook execution"
|
dongsheng@635
|
11640 msgstr "外部钩子的执行"
|
dongsheng@627
|
11641
|
dongsheng@627
|
11642 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11643 #: ../en/ch09-hook.xml:1352
|
dongsheng@627
|
11644 msgid ""
|
dongsheng@627
|
11645 "An external hook is passed to the shell of the user running Mercurial. "
|
dongsheng@627
|
11646 "Features of that shell, such as variable substitution and command "
|
dongsheng@627
|
11647 "redirection, are available. The hook is run in the root directory of the "
|
dongsheng@627
|
11648 "repository (unlike in-process hooks, which are run in the same directory that "
|
dongsheng@627
|
11649 "Mercurial was run in)."
|
dongsheng@627
|
11650 msgstr ""
|
dongsheng@627
|
11651
|
dongsheng@627
|
11652 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11653 #: ../en/ch09-hook.xml:1360
|
dongsheng@627
|
11654 msgid ""
|
dongsheng@627
|
11655 "Hook parameters are passed to the hook as environment variables. Each "
|
dongsheng@627
|
11656 "environment variable's name is converted in upper case and prefixed with the "
|
dongsheng@627
|
11657 "string <quote><literal>HG_</literal></quote>. For example, if the name of a "
|
dongsheng@627
|
11658 "parameter is <quote><literal>node</literal></quote>, the name of the "
|
dongsheng@627
|
11659 "environment variable representing that parameter will be "
|
dongsheng@627
|
11660 "<quote><literal>HG_NODE</literal></quote>."
|
dongsheng@627
|
11661 msgstr ""
|
dongsheng@627
|
11662
|
dongsheng@627
|
11663 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11664 #: ../en/ch09-hook.xml:1369
|
dongsheng@627
|
11665 msgid ""
|
dongsheng@627
|
11666 "A boolean parameter is represented as the string <quote><literal>1</literal></"
|
dongsheng@627
|
11667 "quote> for <quote>true</quote>, <quote><literal>0</literal></quote> for "
|
dongsheng@627
|
11668 "<quote>false</quote>. If an environment variable is named <envar>HG_NODE</"
|
dongsheng@627
|
11669 "envar>, <envar>HG_PARENT1</envar> or <envar>HG_PARENT2</envar>, it contains a "
|
dongsheng@627
|
11670 "changeset ID represented as a hexadecimal string. The empty string is used "
|
dongsheng@627
|
11671 "to represent <quote>null changeset ID</quote> instead of a string of zeroes. "
|
dongsheng@627
|
11672 "If an environment variable is named <envar>HG_URL</envar>, it will contain "
|
dongsheng@627
|
11673 "the URL of a remote repository, if that can be determined."
|
dongsheng@627
|
11674 msgstr ""
|
dongsheng@627
|
11675
|
dongsheng@627
|
11676 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11677 #: ../en/ch09-hook.xml:1381
|
dongsheng@627
|
11678 msgid ""
|
dongsheng@627
|
11679 "If a hook exits with a status of zero, it is considered to have succeeded. "
|
dongsheng@627
|
11680 "If it exits with a non-zero status, it is considered to have failed."
|
dongsheng@627
|
11681 msgstr ""
|
dongsheng@627
|
11682
|
dongsheng@627
|
11683 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
11684 #: ../en/ch09-hook.xml:1388
|
dongsheng@627
|
11685 msgid "Finding out where changesets come from"
|
dongsheng@635
|
11686 msgstr "检查修改集来自何处"
|
dongsheng@627
|
11687
|
dongsheng@627
|
11688 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11689 #: ../en/ch09-hook.xml:1390
|
dongsheng@627
|
11690 msgid ""
|
dongsheng@627
|
11691 "A hook that involves the transfer of changesets between a local repository "
|
dongsheng@627
|
11692 "and another may be able to find out information about the <quote>far side</"
|
dongsheng@627
|
11693 "quote>. Mercurial knows <emphasis>how</emphasis> changes are being "
|
dongsheng@627
|
11694 "transferred, and in many cases <emphasis>where</emphasis> they are being "
|
dongsheng@627
|
11695 "transferred to or from."
|
dongsheng@627
|
11696 msgstr ""
|
dongsheng@627
|
11697
|
dongsheng@627
|
11698 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
11699 #: ../en/ch09-hook.xml:1399
|
dongsheng@627
|
11700 msgid "Sources of changesets"
|
dongsheng@635
|
11701 msgstr "修改集的来源"
|
dongsheng@627
|
11702
|
dongsheng@627
|
11703 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11704 #: ../en/ch09-hook.xml:1401
|
dongsheng@627
|
11705 msgid ""
|
dongsheng@627
|
11706 "Mercurial will tell a hook what means are, or were, used to transfer "
|
dongsheng@627
|
11707 "changesets between repositories. This is provided by Mercurial in a Python "
|
dongsheng@627
|
11708 "parameter named <literal>source</literal>, or an environment variable named "
|
dongsheng@627
|
11709 "<envar>HG_SOURCE</envar>."
|
dongsheng@627
|
11710 msgstr ""
|
dongsheng@627
|
11711
|
dongsheng@627
|
11712 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11713 #: ../en/ch09-hook.xml:1409
|
dongsheng@627
|
11714 msgid ""
|
dongsheng@627
|
11715 "<literal>serve</literal>: Changesets are transferred to or from a remote "
|
dongsheng@627
|
11716 "repository over http or ssh."
|
dongsheng@627
|
11717 msgstr ""
|
dongsheng@627
|
11718
|
dongsheng@627
|
11719 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11720 #: ../en/ch09-hook.xml:1414
|
dongsheng@627
|
11721 msgid ""
|
dongsheng@627
|
11722 "<literal>pull</literal>: Changesets are being transferred via a pull from one "
|
dongsheng@627
|
11723 "repository into another."
|
dongsheng@627
|
11724 msgstr ""
|
dongsheng@627
|
11725
|
dongsheng@627
|
11726 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11727 #: ../en/ch09-hook.xml:1419
|
dongsheng@627
|
11728 msgid ""
|
dongsheng@627
|
11729 "<literal>push</literal>: Changesets are being transferred via a push from one "
|
dongsheng@627
|
11730 "repository into another."
|
dongsheng@627
|
11731 msgstr ""
|
dongsheng@627
|
11732
|
dongsheng@627
|
11733 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11734 #: ../en/ch09-hook.xml:1424
|
dongsheng@627
|
11735 msgid ""
|
dongsheng@627
|
11736 "<literal>bundle</literal>: Changesets are being transferred to or from a "
|
dongsheng@627
|
11737 "bundle."
|
dongsheng@627
|
11738 msgstr ""
|
dongsheng@627
|
11739
|
dongsheng@627
|
11740 #. type: Content of: <book><chapter><sect1><sect2><sect3><title>
|
songdongsheng@658
|
11741 #: ../en/ch09-hook.xml:1431
|
songdongsheng@668
|
11742 msgid "Where changes are going&emdash;remote repository URLs"
|
dongsheng@661
|
11743 msgstr "修改集要到哪里—远程版本库的地址"
|
dongsheng@627
|
11744
|
dongsheng@627
|
11745 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11746 #: ../en/ch09-hook.xml:1434
|
dongsheng@627
|
11747 msgid ""
|
dongsheng@627
|
11748 "When possible, Mercurial will tell a hook the location of the <quote>far "
|
dongsheng@627
|
11749 "side</quote> of an activity that transfers changeset data between "
|
dongsheng@627
|
11750 "repositories. This is provided by Mercurial in a Python parameter named "
|
dongsheng@627
|
11751 "<literal>url</literal>, or an environment variable named <envar>HG_URL</"
|
dongsheng@627
|
11752 "envar>."
|
dongsheng@627
|
11753 msgstr ""
|
dongsheng@627
|
11754
|
dongsheng@627
|
11755 #. type: Content of: <book><chapter><sect1><sect2><sect3><para>
|
songdongsheng@658
|
11756 #: ../en/ch09-hook.xml:1442
|
dongsheng@627
|
11757 msgid ""
|
dongsheng@627
|
11758 "This information is not always known. If a hook is invoked in a repository "
|
dongsheng@627
|
11759 "that is being served via http or ssh, Mercurial cannot tell where the remote "
|
dongsheng@627
|
11760 "repository is, but it may know where the client is connecting from. In such "
|
dongsheng@627
|
11761 "cases, the URL will take one of the following forms:"
|
dongsheng@627
|
11762 msgstr ""
|
dongsheng@627
|
11763
|
dongsheng@627
|
11764 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11765 #: ../en/ch09-hook.xml:1449
|
dongsheng@627
|
11766 msgid ""
|
songdongsheng@668
|
11767 "<literal>remote:ssh:1.2.3.4</literal>&emdash;remote ssh client, at the IP "
|
songdongsheng@668
|
11768 "address <literal>1.2.3.4</literal>."
|
dongsheng@627
|
11769 msgstr ""
|
dongsheng@627
|
11770
|
dongsheng@627
|
11771 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11772 #: ../en/ch09-hook.xml:1454
|
dongsheng@627
|
11773 msgid ""
|
songdongsheng@668
|
11774 "<literal>remote:http:1.2.3.4</literal>&emdash;remote http client, at the IP "
|
songdongsheng@668
|
11775 "address <literal>1.2.3.4</literal>. If the client is using SSL, this will be "
|
songdongsheng@668
|
11776 "of the form <literal>remote:https:1.2.3.4</literal>."
|
dongsheng@627
|
11777 msgstr ""
|
dongsheng@627
|
11778
|
dongsheng@627
|
11779 #. type: Content of: <book><chapter><sect1><sect2><sect3><itemizedlist><listitem><para>
|
songdongsheng@658
|
11780 #: ../en/ch09-hook.xml:1461
|
songdongsheng@668
|
11781 msgid "Empty&emdash;no information could be discovered about the remote client."
|
dongsheng@627
|
11782 msgstr ""
|
dongsheng@627
|
11783
|
dongsheng@627
|
11784 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
11785 #: ../en/ch09-hook.xml:1470
|
dongsheng@627
|
11786 msgid "Hook reference"
|
dongsheng@635
|
11787 msgstr "钩子参考"
|
dongsheng@627
|
11788
|
dongsheng@627
|
11789 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
11790 #: ../en/ch09-hook.xml:1473
|
songdongsheng@668
|
11791 msgid ""
|
songdongsheng@668
|
11792 "<literal role=\"hook\">changegroup</literal>&emdash;after remote changesets "
|
songdongsheng@668
|
11793 "added"
|
dongsheng@661
|
11794 msgstr "<literal role=\"hook\">changegroup</literal>—增加远程修改集之后"
|
dongsheng@627
|
11795
|
dongsheng@627
|
11796 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11797 #: ../en/ch09-hook.xml:1476
|
dongsheng@627
|
11798 msgid ""
|
dongsheng@627
|
11799 "This hook is run after a group of pre-existing changesets has been added to "
|
dongsheng@627
|
11800 "the repository, for example via a <command role=\"hg-cmd\">hg pull</command> "
|
dongsheng@627
|
11801 "or <command role=\"hg-cmd\">hg unbundle</command>. This hook is run once per "
|
dongsheng@627
|
11802 "operation that added one or more changesets. This is in contrast to the "
|
dongsheng@627
|
11803 "<literal role=\"hook\">incoming</literal> hook, which is run once per "
|
dongsheng@627
|
11804 "changeset, regardless of whether the changesets arrive in a group."
|
dongsheng@627
|
11805 msgstr ""
|
dongsheng@627
|
11806
|
dongsheng@627
|
11807 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11808 #: ../en/ch09-hook.xml:1486
|
dongsheng@627
|
11809 msgid ""
|
dongsheng@627
|
11810 "Some possible uses for this hook include kicking off an automated build or "
|
dongsheng@627
|
11811 "test of the added changesets, updating a bug database, or notifying "
|
dongsheng@627
|
11812 "subscribers that a repository contains new changes."
|
dongsheng@627
|
11813 msgstr ""
|
dongsheng@627
|
11814
|
dongsheng@627
|
11815 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11816 #: ../en/ch09-hook.xml:1492 ../en/ch09-hook.xml:1532 ../en/ch09-hook.xml:1576
|
dongsheng@650
|
11817 #: ../en/ch09-hook.xml:1618 ../en/ch09-hook.xml:1673 ../en/ch09-hook.xml:1713
|
songdongsheng@658
|
11818 #: ../en/ch09-hook.xml:1749 ../en/ch09-hook.xml:1783 ../en/ch09-hook.xml:1846
|
songdongsheng@658
|
11819 #: ../en/ch09-hook.xml:1904 ../en/ch09-hook.xml:1940 ../en/ch09-hook.xml:1967
|
dongsheng@627
|
11820 msgid "Parameters to this hook:"
|
dongsheng@627
|
11821 msgstr ""
|
dongsheng@627
|
11822
|
dongsheng@627
|
11823 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11824 #: ../en/ch09-hook.xml:1495 ../en/ch09-hook.xml:1849
|
dongsheng@627
|
11825 msgid ""
|
dongsheng@627
|
11826 "<literal>node</literal>: A changeset ID. The changeset ID of the first "
|
dongsheng@627
|
11827 "changeset in the group that was added. All changesets between this and "
|
dongsheng@650
|
11828 "<literal role=\"tag\">tip</literal>, inclusive, were added by a single "
|
dongsheng@650
|
11829 "<command role=\"hg-cmd\">hg pull</command>, <command role=\"hg-cmd\">hg push</"
|
dongsheng@650
|
11830 "command> or <command role=\"hg-cmd\">hg unbundle</command>."
|
dongsheng@627
|
11831 msgstr ""
|
dongsheng@627
|
11832
|
dongsheng@627
|
11833 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11834 #: ../en/ch09-hook.xml:1504 ../en/ch09-hook.xml:1583 ../en/ch09-hook.xml:1676
|
dongsheng@650
|
11835 #: ../en/ch09-hook.xml:1859
|
dongsheng@627
|
11836 msgid ""
|
songdongsheng@658
|
11837 "<literal>source</literal>: A string. The source of these changes. See <xref "
|
songdongsheng@658
|
11838 "linkend=\"sec:hook:sources\"/> for details."
|
dongsheng@627
|
11839 msgstr ""
|
dongsheng@627
|
11840
|
dongsheng@627
|
11841 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11842 #: ../en/ch09-hook.xml:1509 ../en/ch09-hook.xml:1588 ../en/ch09-hook.xml:1639
|
songdongsheng@658
|
11843 #: ../en/ch09-hook.xml:1681 ../en/ch09-hook.xml:1762 ../en/ch09-hook.xml:1864
|
dongsheng@627
|
11844 msgid ""
|
dongsheng@627
|
11845 "<literal>url</literal>: A URL. The location of the remote repository, if "
|
songdongsheng@658
|
11846 "known. See <xref linkend=\"sec:hook:url\"/> for more information."
|
songdongsheng@658
|
11847 msgstr ""
|
songdongsheng@658
|
11848
|
songdongsheng@658
|
11849 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11850 #: ../en/ch09-hook.xml:1515
|
songdongsheng@658
|
11851 msgid ""
|
songdongsheng@658
|
11852 "See also: <literal role=\"hook\">incoming</literal> (<xref linkend=\"sec:hook:"
|
songdongsheng@658
|
11853 "incoming\"/>), <literal role=\"hook\">prechangegroup</literal> (<xref linkend="
|
songdongsheng@658
|
11854 "\"sec:hook:prechangegroup\"/>), <literal role=\"hook\">pretxnchangegroup</"
|
songdongsheng@658
|
11855 "literal> (<xref linkend=\"sec:hook:pretxnchangegroup\"/>)"
|
dongsheng@627
|
11856 msgstr ""
|
dongsheng@627
|
11857
|
dongsheng@627
|
11858 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
11859 #: ../en/ch09-hook.xml:1526
|
songdongsheng@668
|
11860 msgid ""
|
songdongsheng@668
|
11861 "<literal role=\"hook\">commit</literal>&emdash;after a new changeset is "
|
songdongsheng@668
|
11862 "created"
|
dongsheng@661
|
11863 msgstr "<literal role=\"hook\">commit</literal>—创建新修改集之后"
|
dongsheng@627
|
11864
|
dongsheng@627
|
11865 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11866 #: ../en/ch09-hook.xml:1529
|
dongsheng@627
|
11867 msgid "This hook is run after a new changeset has been created."
|
dongsheng@627
|
11868 msgstr ""
|
dongsheng@627
|
11869
|
dongsheng@627
|
11870 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11871 #: ../en/ch09-hook.xml:1535 ../en/ch09-hook.xml:1907
|
dongsheng@627
|
11872 msgid ""
|
dongsheng@627
|
11873 "<literal>node</literal>: A changeset ID. The changeset ID of the newly "
|
dongsheng@627
|
11874 "committed changeset."
|
dongsheng@627
|
11875 msgstr ""
|
dongsheng@627
|
11876
|
dongsheng@627
|
11877 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11878 #: ../en/ch09-hook.xml:1539 ../en/ch09-hook.xml:1911
|
dongsheng@627
|
11879 msgid ""
|
dongsheng@627
|
11880 "<literal>parent1</literal>: A changeset ID. The changeset ID of the first "
|
dongsheng@627
|
11881 "parent of the newly committed changeset."
|
dongsheng@627
|
11882 msgstr ""
|
dongsheng@627
|
11883
|
dongsheng@627
|
11884 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
11885 #: ../en/ch09-hook.xml:1544 ../en/ch09-hook.xml:1916
|
dongsheng@627
|
11886 msgid ""
|
dongsheng@627
|
11887 "<literal>parent2</literal>: A changeset ID. The changeset ID of the second "
|
dongsheng@627
|
11888 "parent of the newly committed changeset."
|
dongsheng@627
|
11889 msgstr ""
|
dongsheng@627
|
11890
|
dongsheng@627
|
11891 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11892 #: ../en/ch09-hook.xml:1550
|
songdongsheng@658
|
11893 msgid ""
|
songdongsheng@658
|
11894 "See also: <literal role=\"hook\">precommit</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
11895 "hook:precommit\"/>), <literal role=\"hook\">pretxncommit</literal> (<xref "
|
songdongsheng@658
|
11896 "linkend=\"sec:hook:pretxncommit\"/>)"
|
dongsheng@627
|
11897 msgstr ""
|
dongsheng@627
|
11898
|
dongsheng@627
|
11899 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
11900 #: ../en/ch09-hook.xml:1559
|
songdongsheng@668
|
11901 msgid ""
|
songdongsheng@668
|
11902 "<literal role=\"hook\">incoming</literal>&emdash;after one remote changeset "
|
songdongsheng@668
|
11903 "is added"
|
dongsheng@661
|
11904 msgstr "<literal role=\"hook\">incoming</literal>—增加远程修改集之后"
|
dongsheng@627
|
11905
|
dongsheng@627
|
11906 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11907 #: ../en/ch09-hook.xml:1562
|
dongsheng@627
|
11908 msgid ""
|
dongsheng@627
|
11909 "This hook is run after a pre-existing changeset has been added to the "
|
dongsheng@627
|
11910 "repository, for example via a <command role=\"hg-cmd\">hg push</command>. If "
|
dongsheng@627
|
11911 "a group of changesets was added in a single operation, this hook is called "
|
dongsheng@627
|
11912 "once for each added changeset."
|
dongsheng@627
|
11913 msgstr ""
|
dongsheng@627
|
11914
|
dongsheng@627
|
11915 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11916 #: ../en/ch09-hook.xml:1569
|
dongsheng@627
|
11917 msgid ""
|
dongsheng@627
|
11918 "You can use this hook for the same purposes as the <literal role=\"hook"
|
songdongsheng@658
|
11919 "\">changegroup</literal> hook (<xref linkend=\"sec:hook:changegroup\"/>); "
|
songdongsheng@658
|
11920 "it's simply more convenient sometimes to run a hook once per group of "
|
dongsheng@627
|
11921 "changesets, while other times it's handier once per changeset."
|
dongsheng@627
|
11922 msgstr ""
|
dongsheng@627
|
11923
|
dongsheng@627
|
11924 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
11925 #: ../en/ch09-hook.xml:1579
|
dongsheng@627
|
11926 msgid ""
|
dongsheng@627
|
11927 "<literal>node</literal>: A changeset ID. The ID of the newly added changeset."
|
dongsheng@627
|
11928 msgstr ""
|
dongsheng@627
|
11929
|
dongsheng@627
|
11930 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11931 #: ../en/ch09-hook.xml:1594
|
songdongsheng@658
|
11932 msgid ""
|
songdongsheng@658
|
11933 "See also: <literal role=\"hook\">changegroup</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
11934 "hook:changegroup\"/>) <literal role=\"hook\">prechangegroup</literal> (<xref "
|
songdongsheng@658
|
11935 "linkend=\"sec:hook:prechangegroup\"/>), <literal role=\"hook"
|
songdongsheng@658
|
11936 "\">pretxnchangegroup</literal> (<xref linkend=\"sec:hook:pretxnchangegroup\"/"
|
songdongsheng@658
|
11937 ">)"
|
dongsheng@627
|
11938 msgstr ""
|
dongsheng@627
|
11939
|
dongsheng@627
|
11940 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
11941 #: ../en/ch09-hook.xml:1605
|
songdongsheng@668
|
11942 msgid ""
|
songdongsheng@668
|
11943 "<literal role=\"hook\">outgoing</literal>&emdash;after changesets are "
|
songdongsheng@668
|
11944 "propagated"
|
dongsheng@661
|
11945 msgstr "<literal role=\"hook\">outgoing</literal>—传播修改集之后"
|
dongsheng@627
|
11946
|
dongsheng@627
|
11947 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11948 #: ../en/ch09-hook.xml:1608
|
dongsheng@627
|
11949 msgid ""
|
dongsheng@627
|
11950 "This hook is run after a group of changesets has been propagated out of this "
|
dongsheng@627
|
11951 "repository, for example by a <command role=\"hg-cmd\">hg push</command> or "
|
dongsheng@627
|
11952 "<command role=\"hg-cmd\">hg bundle</command> command."
|
dongsheng@627
|
11953 msgstr ""
|
dongsheng@627
|
11954
|
dongsheng@627
|
11955 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11956 #: ../en/ch09-hook.xml:1614
|
dongsheng@627
|
11957 msgid ""
|
dongsheng@627
|
11958 "One possible use for this hook is to notify administrators that changes have "
|
dongsheng@627
|
11959 "been pulled."
|
dongsheng@627
|
11960 msgstr ""
|
dongsheng@627
|
11961
|
dongsheng@627
|
11962 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
11963 #: ../en/ch09-hook.xml:1621
|
dongsheng@627
|
11964 msgid ""
|
dongsheng@627
|
11965 "<literal>node</literal>: A changeset ID. The changeset ID of the first "
|
dongsheng@627
|
11966 "changeset of the group that was sent."
|
dongsheng@627
|
11967 msgstr ""
|
dongsheng@627
|
11968
|
dongsheng@627
|
11969 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
11970 #: ../en/ch09-hook.xml:1626
|
dongsheng@627
|
11971 msgid ""
|
dongsheng@627
|
11972 "<literal>source</literal>: A string. The source of the of the operation (see "
|
songdongsheng@658
|
11973 "<xref linkend=\"sec:hook:sources\"/>). If a remote client pulled changes "
|
songdongsheng@658
|
11974 "from this repository, <literal>source</literal> will be <literal>serve</"
|
songdongsheng@658
|
11975 "literal>. If the client that obtained changes from this repository was "
|
songdongsheng@658
|
11976 "local, <literal>source</literal> will be <literal>bundle</literal>, "
|
songdongsheng@658
|
11977 "<literal>pull</literal>, or <literal>push</literal>, depending on the "
|
songdongsheng@658
|
11978 "operation the client performed."
|
songdongsheng@658
|
11979 msgstr ""
|
songdongsheng@658
|
11980
|
songdongsheng@658
|
11981 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
11982 #: ../en/ch09-hook.xml:1645
|
songdongsheng@658
|
11983 msgid ""
|
songdongsheng@658
|
11984 "See also: <literal role=\"hook\">preoutgoing</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
11985 "hook:preoutgoing\"/>)"
|
dongsheng@627
|
11986 msgstr ""
|
dongsheng@627
|
11987
|
dongsheng@627
|
11988 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
11989 #: ../en/ch09-hook.xml:1652
|
songdongsheng@668
|
11990 msgid ""
|
songdongsheng@668
|
11991 "<literal role=\"hook\">prechangegroup</literal>&emdash;before starting to add "
|
songdongsheng@668
|
11992 "remote changesets"
|
dongsheng@661
|
11993 msgstr "<literal role=\"hook\">prechangegroup</literal>—增加远程修改集之前"
|
dongsheng@627
|
11994
|
dongsheng@627
|
11995 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
11996 #: ../en/ch09-hook.xml:1656
|
dongsheng@627
|
11997 msgid ""
|
dongsheng@627
|
11998 "This controlling hook is run before Mercurial begins to add a group of "
|
dongsheng@627
|
11999 "changesets from another repository."
|
dongsheng@627
|
12000 msgstr ""
|
dongsheng@627
|
12001
|
dongsheng@627
|
12002 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12003 #: ../en/ch09-hook.xml:1660
|
dongsheng@627
|
12004 msgid ""
|
dongsheng@627
|
12005 "This hook does not have any information about the changesets to be added, "
|
dongsheng@627
|
12006 "because it is run before transmission of those changesets is allowed to "
|
dongsheng@627
|
12007 "begin. If this hook fails, the changesets will not be transmitted."
|
dongsheng@627
|
12008 msgstr ""
|
dongsheng@627
|
12009
|
dongsheng@627
|
12010 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12011 #: ../en/ch09-hook.xml:1666
|
dongsheng@627
|
12012 msgid ""
|
dongsheng@627
|
12013 "One use for this hook is to prevent external changes from being added to a "
|
dongsheng@627
|
12014 "repository. For example, you could use this to <quote>freeze</quote> a "
|
dongsheng@627
|
12015 "server-hosted branch temporarily or permanently so that users cannot push to "
|
dongsheng@627
|
12016 "it, while still allowing a local administrator to modify the repository."
|
dongsheng@627
|
12017 msgstr ""
|
dongsheng@627
|
12018
|
dongsheng@627
|
12019 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12020 #: ../en/ch09-hook.xml:1687
|
songdongsheng@658
|
12021 msgid ""
|
songdongsheng@658
|
12022 "See also: <literal role=\"hook\">changegroup</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
12023 "hook:changegroup\"/>), <literal role=\"hook\">incoming</literal> (<xref "
|
songdongsheng@658
|
12024 "linkend=\"sec:hook:incoming\"/>), <literal role=\"hook\">pretxnchangegroup</"
|
songdongsheng@658
|
12025 "literal> (<xref linkend=\"sec:hook:pretxnchangegroup\"/>)"
|
dongsheng@627
|
12026 msgstr ""
|
dongsheng@627
|
12027
|
dongsheng@627
|
12028 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
12029 #: ../en/ch09-hook.xml:1698
|
songdongsheng@668
|
12030 msgid ""
|
songdongsheng@668
|
12031 "<literal role=\"hook\">precommit</literal>&emdash;before starting to commit a "
|
dongsheng@627
|
12032 "changeset"
|
dongsheng@661
|
12033 msgstr "<literal role=\"hook\">precommit</literal>—提交修改集之前"
|
dongsheng@627
|
12034
|
dongsheng@627
|
12035 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12036 #: ../en/ch09-hook.xml:1701
|
dongsheng@627
|
12037 msgid ""
|
dongsheng@627
|
12038 "This hook is run before Mercurial begins to commit a new changeset. It is run "
|
dongsheng@627
|
12039 "before Mercurial has any of the metadata for the commit, such as the files to "
|
dongsheng@627
|
12040 "be committed, the commit message, or the commit date."
|
dongsheng@627
|
12041 msgstr ""
|
dongsheng@627
|
12042
|
dongsheng@627
|
12043 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12044 #: ../en/ch09-hook.xml:1707
|
dongsheng@627
|
12045 msgid ""
|
dongsheng@627
|
12046 "One use for this hook is to disable the ability to commit new changesets, "
|
dongsheng@627
|
12047 "while still allowing incoming changesets. Another is to run a build or test, "
|
dongsheng@627
|
12048 "and only allow the commit to begin if the build or test succeeds."
|
dongsheng@627
|
12049 msgstr ""
|
dongsheng@627
|
12050
|
dongsheng@627
|
12051 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
12052 #: ../en/ch09-hook.xml:1716
|
dongsheng@627
|
12053 msgid ""
|
dongsheng@627
|
12054 "<literal>parent1</literal>: A changeset ID. The changeset ID of the first "
|
dongsheng@627
|
12055 "parent of the working directory."
|
dongsheng@627
|
12056 msgstr ""
|
dongsheng@627
|
12057
|
dongsheng@627
|
12058 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
12059 #: ../en/ch09-hook.xml:1721
|
dongsheng@627
|
12060 msgid ""
|
dongsheng@627
|
12061 "<literal>parent2</literal>: A changeset ID. The changeset ID of the second "
|
dongsheng@627
|
12062 "parent of the working directory."
|
dongsheng@627
|
12063 msgstr ""
|
dongsheng@627
|
12064
|
dongsheng@627
|
12065 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12066 #: ../en/ch09-hook.xml:1726
|
dongsheng@627
|
12067 msgid ""
|
dongsheng@627
|
12068 "If the commit proceeds, the parents of the working directory will become the "
|
dongsheng@627
|
12069 "parents of the new changeset."
|
dongsheng@627
|
12070 msgstr ""
|
dongsheng@627
|
12071
|
dongsheng@627
|
12072 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12073 #: ../en/ch09-hook.xml:1730
|
dongsheng@627
|
12074 msgid ""
|
songdongsheng@658
|
12075 "See also: <literal role=\"hook\">commit</literal> (<xref linkend=\"sec:hook:"
|
songdongsheng@658
|
12076 "commit\"/>), <literal role=\"hook\">pretxncommit</literal> (<xref linkend="
|
songdongsheng@658
|
12077 "\"sec:hook:pretxncommit\"/>)"
|
dongsheng@627
|
12078 msgstr ""
|
dongsheng@627
|
12079
|
dongsheng@627
|
12080 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
12081 #: ../en/ch09-hook.xml:1738
|
songdongsheng@668
|
12082 msgid ""
|
songdongsheng@668
|
12083 "<literal role=\"hook\">preoutgoing</literal>&emdash;before starting to "
|
songdongsheng@668
|
12084 "propagate changesets"
|
dongsheng@661
|
12085 msgstr "<literal role=\"hook\">preoutgoing</literal>—传播修改集之前"
|
dongsheng@627
|
12086
|
dongsheng@627
|
12087 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12088 #: ../en/ch09-hook.xml:1741
|
dongsheng@627
|
12089 msgid ""
|
dongsheng@627
|
12090 "This hook is invoked before Mercurial knows the identities of the changesets "
|
dongsheng@627
|
12091 "to be transmitted."
|
dongsheng@627
|
12092 msgstr ""
|
dongsheng@627
|
12093
|
dongsheng@627
|
12094 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12095 #: ../en/ch09-hook.xml:1745
|
dongsheng@627
|
12096 msgid ""
|
dongsheng@627
|
12097 "One use for this hook is to prevent changes from being transmitted to another "
|
dongsheng@627
|
12098 "repository."
|
dongsheng@627
|
12099 msgstr ""
|
dongsheng@627
|
12100
|
dongsheng@627
|
12101 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
12102 #: ../en/ch09-hook.xml:1752
|
dongsheng@627
|
12103 msgid ""
|
dongsheng@627
|
12104 "<literal>source</literal>: A string. The source of the operation that is "
|
songdongsheng@658
|
12105 "attempting to obtain changes from this repository (see <xref linkend=\"sec:"
|
songdongsheng@658
|
12106 "hook:sources\"/>). See the documentation for the <literal>source</literal> "
|
songdongsheng@658
|
12107 "parameter to the <literal role=\"hook\">outgoing</literal> hook, in <xref "
|
songdongsheng@658
|
12108 "linkend=\"sec:hook:outgoing\"/>, for possible values of this parameter."
|
songdongsheng@658
|
12109 msgstr ""
|
songdongsheng@658
|
12110
|
songdongsheng@658
|
12111 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12112 #: ../en/ch09-hook.xml:1768
|
songdongsheng@658
|
12113 msgid ""
|
songdongsheng@658
|
12114 "See also: <literal role=\"hook\">outgoing</literal> (<xref linkend=\"sec:hook:"
|
songdongsheng@658
|
12115 "outgoing\"/>)"
|
dongsheng@627
|
12116 msgstr ""
|
dongsheng@627
|
12117
|
dongsheng@627
|
12118 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
12119 #: ../en/ch09-hook.xml:1775
|
songdongsheng@668
|
12120 msgid ""
|
songdongsheng@668
|
12121 "<literal role=\"hook\">pretag</literal>&emdash;before tagging a changeset"
|
dongsheng@661
|
12122 msgstr "<literal role=\"hook\">pretag</literal>—创建标签之前"
|
dongsheng@627
|
12123
|
dongsheng@627
|
12124 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12125 #: ../en/ch09-hook.xml:1778
|
dongsheng@627
|
12126 msgid ""
|
dongsheng@627
|
12127 "This controlling hook is run before a tag is created. If the hook succeeds, "
|
dongsheng@627
|
12128 "creation of the tag proceeds. If the hook fails, the tag is not created."
|
dongsheng@627
|
12129 msgstr ""
|
dongsheng@627
|
12130
|
dongsheng@627
|
12131 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12132 #: ../en/ch09-hook.xml:1786
|
dongsheng@627
|
12133 msgid ""
|
dongsheng@627
|
12134 "<literal>local</literal>: A boolean. Whether the tag is local to this "
|
dongsheng@627
|
12135 "repository instance (i.e. stored in <filename role=\"special\">.hg/localtags</"
|
dongsheng@627
|
12136 "filename>) or managed by Mercurial (stored in <filename role=\"special\">."
|
dongsheng@627
|
12137 "hgtags</filename>)."
|
dongsheng@627
|
12138 msgstr ""
|
dongsheng@627
|
12139
|
dongsheng@627
|
12140 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12141 #: ../en/ch09-hook.xml:1793
|
dongsheng@627
|
12142 msgid ""
|
dongsheng@627
|
12143 "<literal>node</literal>: A changeset ID. The ID of the changeset to be "
|
dongsheng@627
|
12144 "tagged."
|
dongsheng@627
|
12145 msgstr ""
|
dongsheng@627
|
12146
|
dongsheng@627
|
12147 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12148 #: ../en/ch09-hook.xml:1797
|
dongsheng@627
|
12149 msgid "<literal>tag</literal>: A string. The name of the tag to be created."
|
dongsheng@627
|
12150 msgstr ""
|
dongsheng@627
|
12151
|
dongsheng@627
|
12152 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12153 #: ../en/ch09-hook.xml:1802
|
dongsheng@627
|
12154 msgid ""
|
dongsheng@627
|
12155 "If the tag to be created is revision-controlled, the <literal role=\"hook"
|
dongsheng@627
|
12156 "\">precommit</literal> and <literal role=\"hook\">pretxncommit</literal> "
|
songdongsheng@658
|
12157 "hooks (<xref linkend=\"sec:hook:commit\"/> and <xref linkend=\"sec:hook:"
|
songdongsheng@658
|
12158 "pretxncommit\"/>) will also be run."
|
dongsheng@627
|
12159 msgstr ""
|
dongsheng@627
|
12160
|
dongsheng@627
|
12161 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12162 #: ../en/ch09-hook.xml:1810
|
dongsheng@627
|
12163 msgid ""
|
songdongsheng@658
|
12164 "See also: <literal role=\"hook\">tag</literal> (<xref linkend=\"sec:hook:tag"
|
songdongsheng@658
|
12165 "\"/>)"
|
dongsheng@627
|
12166 msgstr ""
|
dongsheng@627
|
12167
|
dongsheng@627
|
12168 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
12169 #: ../en/ch09-hook.xml:1815
|
songdongsheng@668
|
12170 msgid ""
|
songdongsheng@668
|
12171 "<literal role=\"hook\">pretxnchangegroup</literal>&emdash;before completing "
|
songdongsheng@668
|
12172 "addition of remote changesets"
|
dongsheng@661
|
12173 msgstr ""
|
dongsheng@661
|
12174 "<literal role=\"hook\">pretxnchangegroup</literal>—完成增加远程修改集之前"
|
dongsheng@627
|
12175
|
dongsheng@627
|
12176 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12177 #: ../en/ch09-hook.xml:1819
|
dongsheng@627
|
12178 msgid ""
|
songdongsheng@668
|
12179 "This controlling hook is run before a transaction&emdash;that manages the "
|
songdongsheng@668
|
12180 "addition of a group of new changesets from outside the repository&emdash;"
|
songdongsheng@668
|
12181 "completes. If the hook succeeds, the transaction completes, and all of the "
|
songdongsheng@668
|
12182 "changesets become permanent within this repository. If the hook fails, the "
|
songdongsheng@668
|
12183 "transaction is rolled back, and the data for the changesets is erased."
|
dongsheng@627
|
12184 msgstr ""
|
dongsheng@627
|
12185
|
dongsheng@627
|
12186 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12187 #: ../en/ch09-hook.xml:1828
|
dongsheng@627
|
12188 msgid ""
|
dongsheng@627
|
12189 "This hook can access the metadata associated with the almost-added "
|
dongsheng@627
|
12190 "changesets, but it should not do anything permanent with this data. It must "
|
dongsheng@627
|
12191 "also not modify the working directory."
|
dongsheng@627
|
12192 msgstr ""
|
dongsheng@627
|
12193
|
dongsheng@627
|
12194 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12195 #: ../en/ch09-hook.xml:1834
|
dongsheng@627
|
12196 msgid ""
|
dongsheng@627
|
12197 "While this hook is running, if other Mercurial processes access this "
|
dongsheng@627
|
12198 "repository, they will be able to see the almost-added changesets as if they "
|
dongsheng@627
|
12199 "are permanent. This may lead to race conditions if you do not take steps to "
|
dongsheng@627
|
12200 "avoid them."
|
dongsheng@627
|
12201 msgstr ""
|
dongsheng@627
|
12202
|
dongsheng@627
|
12203 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12204 #: ../en/ch09-hook.xml:1841
|
dongsheng@627
|
12205 msgid ""
|
dongsheng@627
|
12206 "This hook can be used to automatically vet a group of changesets. If the "
|
dongsheng@627
|
12207 "hook fails, all of the changesets are <quote>rejected</quote> when the "
|
dongsheng@627
|
12208 "transaction rolls back."
|
dongsheng@627
|
12209 msgstr ""
|
dongsheng@627
|
12210
|
dongsheng@627
|
12211 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12212 #: ../en/ch09-hook.xml:1870
|
songdongsheng@658
|
12213 msgid ""
|
songdongsheng@658
|
12214 "See also: <literal role=\"hook\">changegroup</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
12215 "hook:changegroup\"/>), <literal role=\"hook\">incoming</literal> (<xref "
|
songdongsheng@658
|
12216 "linkend=\"sec:hook:incoming\"/>), <literal role=\"hook\">prechangegroup</"
|
songdongsheng@658
|
12217 "literal> (<xref linkend=\"sec:hook:prechangegroup\"/>)"
|
dongsheng@627
|
12218 msgstr ""
|
dongsheng@627
|
12219
|
dongsheng@627
|
12220 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
12221 #: ../en/ch09-hook.xml:1881
|
songdongsheng@668
|
12222 msgid ""
|
songdongsheng@668
|
12223 "<literal role=\"hook\">pretxncommit</literal>&emdash;before completing commit "
|
songdongsheng@668
|
12224 "of new changeset"
|
dongsheng@661
|
12225 msgstr "<literal role=\"hook\">pretxncommit</literal>—完成提交之前"
|
dongsheng@627
|
12226
|
dongsheng@627
|
12227 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12228 #: ../en/ch09-hook.xml:1884
|
dongsheng@627
|
12229 msgid ""
|
songdongsheng@668
|
12230 "This controlling hook is run before a transaction&emdash;that manages a new "
|
songdongsheng@668
|
12231 "commit&emdash;completes. If the hook succeeds, the transaction completes and "
|
songdongsheng@668
|
12232 "the changeset becomes permanent within this repository. If the hook fails, "
|
songdongsheng@668
|
12233 "the transaction is rolled back, and the commit data is erased."
|
dongsheng@627
|
12234 msgstr ""
|
dongsheng@627
|
12235
|
dongsheng@627
|
12236 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12237 #: ../en/ch09-hook.xml:1892
|
dongsheng@627
|
12238 msgid ""
|
dongsheng@627
|
12239 "This hook can access the metadata associated with the almost-new changeset, "
|
dongsheng@627
|
12240 "but it should not do anything permanent with this data. It must also not "
|
dongsheng@627
|
12241 "modify the working directory."
|
dongsheng@627
|
12242 msgstr ""
|
dongsheng@627
|
12243
|
dongsheng@627
|
12244 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12245 #: ../en/ch09-hook.xml:1898
|
dongsheng@627
|
12246 msgid ""
|
dongsheng@627
|
12247 "While this hook is running, if other Mercurial processes access this "
|
dongsheng@627
|
12248 "repository, they will be able to see the almost-new changeset as if it is "
|
dongsheng@627
|
12249 "permanent. This may lead to race conditions if you do not take steps to "
|
dongsheng@627
|
12250 "avoid them."
|
dongsheng@627
|
12251 msgstr ""
|
dongsheng@627
|
12252
|
dongsheng@627
|
12253 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12254 #: ../en/ch09-hook.xml:1922
|
songdongsheng@658
|
12255 msgid ""
|
songdongsheng@658
|
12256 "See also: <literal role=\"hook\">precommit</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
12257 "hook:precommit\"/>)"
|
dongsheng@660
|
12258 msgstr ""
|
dongsheng@660
|
12259 "参见: <literal role=\"hook\">precommit</literal> (<xref linkend=\"sec:hook:"
|
dongsheng@660
|
12260 "precommit\"/>)"
|
dongsheng@627
|
12261
|
dongsheng@627
|
12262 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
12263 #: ../en/ch09-hook.xml:1929
|
songdongsheng@668
|
12264 msgid ""
|
songdongsheng@668
|
12265 "<literal role=\"hook\">preupdate</literal>&emdash;before updating or merging "
|
songdongsheng@668
|
12266 "working directory"
|
dongsheng@661
|
12267 msgstr "<literal role=\"hook\">preupdate</literal>—更新或合并工作目录之前"
|
dongsheng@627
|
12268
|
dongsheng@627
|
12269 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12270 #: ../en/ch09-hook.xml:1932
|
dongsheng@627
|
12271 msgid ""
|
dongsheng@627
|
12272 "This controlling hook is run before an update or merge of the working "
|
dongsheng@627
|
12273 "directory begins. It is run only if Mercurial's normal pre-update checks "
|
dongsheng@627
|
12274 "determine that the update or merge can proceed. If the hook succeeds, the "
|
dongsheng@627
|
12275 "update or merge may proceed; if it fails, the update or merge does not start."
|
dongsheng@627
|
12276 msgstr ""
|
dongsheng@627
|
12277
|
dongsheng@627
|
12278 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12279 #: ../en/ch09-hook.xml:1943
|
songdongsheng@658
|
12280 msgid ""
|
songdongsheng@658
|
12281 "<literal>parent1</literal>: A changeset ID. The ID of the parent that the "
|
dongsheng@627
|
12282 "working directory is to be updated to. If the working directory is being "
|
dongsheng@627
|
12283 "merged, it will not change this parent."
|
dongsheng@627
|
12284 msgstr ""
|
dongsheng@627
|
12285
|
dongsheng@627
|
12286 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12287 #: ../en/ch09-hook.xml:1949
|
songdongsheng@658
|
12288 msgid ""
|
songdongsheng@658
|
12289 "<literal>parent2</literal>: A changeset ID. Only set if the working directory "
|
songdongsheng@658
|
12290 "is being merged. The ID of the revision that the working directory is being "
|
songdongsheng@658
|
12291 "merged with."
|
songdongsheng@658
|
12292 msgstr ""
|
songdongsheng@658
|
12293
|
songdongsheng@658
|
12294 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12295 #: ../en/ch09-hook.xml:1956
|
songdongsheng@658
|
12296 msgid ""
|
songdongsheng@658
|
12297 "See also: <literal role=\"hook\">update</literal> (<xref linkend=\"sec:hook:"
|
songdongsheng@658
|
12298 "update\"/>)"
|
dongsheng@627
|
12299 msgstr ""
|
dongsheng@627
|
12300
|
dongsheng@627
|
12301 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
12302 #: ../en/ch09-hook.xml:1961
|
songdongsheng@668
|
12303 msgid "<literal role=\"hook\">tag</literal>&emdash;after tagging a changeset"
|
dongsheng@661
|
12304 msgstr "<literal role=\"hook\">tag</literal>—创建标签之后"
|
dongsheng@627
|
12305
|
dongsheng@627
|
12306 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12307 #: ../en/ch09-hook.xml:1964
|
dongsheng@627
|
12308 msgid "This hook is run after a tag has been created."
|
dongsheng@627
|
12309 msgstr ""
|
dongsheng@627
|
12310
|
dongsheng@627
|
12311 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12312 #: ../en/ch09-hook.xml:1970
|
dongsheng@627
|
12313 msgid ""
|
dongsheng@627
|
12314 "<literal>local</literal>: A boolean. Whether the new tag is local to this "
|
dongsheng@627
|
12315 "repository instance (i.e. stored in <filename role=\"special\">.hg/"
|
dongsheng@627
|
12316 "localtags</filename>) or managed by Mercurial (stored in <filename role="
|
dongsheng@627
|
12317 "\"special\">.hgtags</filename>)."
|
dongsheng@627
|
12318 msgstr ""
|
dongsheng@627
|
12319
|
dongsheng@627
|
12320 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12321 #: ../en/ch09-hook.xml:1978
|
dongsheng@627
|
12322 msgid ""
|
dongsheng@627
|
12323 "<literal>node</literal>: A changeset ID. The ID of the changeset that was "
|
dongsheng@627
|
12324 "tagged."
|
dongsheng@627
|
12325 msgstr ""
|
dongsheng@627
|
12326
|
dongsheng@627
|
12327 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12328 #: ../en/ch09-hook.xml:1982
|
dongsheng@627
|
12329 msgid "<literal>tag</literal>: A string. The name of the tag that was created."
|
dongsheng@627
|
12330 msgstr ""
|
dongsheng@627
|
12331
|
dongsheng@627
|
12332 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12333 #: ../en/ch09-hook.xml:1987
|
dongsheng@627
|
12334 msgid ""
|
dongsheng@627
|
12335 "If the created tag is revision-controlled, the <literal role=\"hook\">commit</"
|
songdongsheng@658
|
12336 "literal> hook (section <xref linkend=\"sec:hook:commit\"/>) is run before "
|
dongsheng@627
|
12337 "this hook."
|
dongsheng@627
|
12338 msgstr ""
|
dongsheng@627
|
12339
|
dongsheng@627
|
12340 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12341 #: ../en/ch09-hook.xml:1992
|
songdongsheng@658
|
12342 msgid ""
|
songdongsheng@658
|
12343 "See also: <literal role=\"hook\">pretag</literal> (<xref linkend=\"sec:hook:"
|
songdongsheng@658
|
12344 "pretag\"/>)"
|
dongsheng@660
|
12345 msgstr ""
|
dongsheng@660
|
12346 "参见: <literal role=\"hook\">pretag</literal> (<xref linkend=\"sec:hook:pretag"
|
dongsheng@660
|
12347 "\"/>)"
|
dongsheng@627
|
12348
|
dongsheng@627
|
12349 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
12350 #: ../en/ch09-hook.xml:1998
|
songdongsheng@668
|
12351 msgid ""
|
songdongsheng@668
|
12352 "<literal role=\"hook\">update</literal>&emdash;after updating or merging "
|
songdongsheng@668
|
12353 "working directory"
|
dongsheng@661
|
12354 msgstr "<literal role=\"hook\">update</literal>—更新或合并工作目录之后"
|
dongsheng@627
|
12355
|
dongsheng@627
|
12356 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12357 #: ../en/ch09-hook.xml:2001
|
dongsheng@627
|
12358 msgid ""
|
dongsheng@627
|
12359 "This hook is run after an update or merge of the working directory "
|
dongsheng@627
|
12360 "completes. Since a merge can fail (if the external <command>hgmerge</"
|
dongsheng@627
|
12361 "command> command fails to resolve conflicts in a file), this hook "
|
dongsheng@627
|
12362 "communicates whether the update or merge completed cleanly."
|
dongsheng@627
|
12363 msgstr ""
|
dongsheng@627
|
12364
|
dongsheng@627
|
12365 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12366 #: ../en/ch09-hook.xml:2009
|
dongsheng@627
|
12367 msgid ""
|
dongsheng@627
|
12368 "<literal>error</literal>: A boolean. Indicates whether the update or merge "
|
dongsheng@627
|
12369 "completed successfully."
|
dongsheng@627
|
12370 msgstr ""
|
dongsheng@627
|
12371
|
dongsheng@627
|
12372 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12373 #: ../en/ch09-hook.xml:2014
|
dongsheng@627
|
12374 msgid ""
|
dongsheng@627
|
12375 "<literal>parent1</literal>: A changeset ID. The ID of the parent that the "
|
dongsheng@627
|
12376 "working directory was updated to. If the working directory was merged, it "
|
dongsheng@627
|
12377 "will not have changed this parent."
|
dongsheng@627
|
12378 msgstr ""
|
dongsheng@627
|
12379
|
dongsheng@627
|
12380 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
12381 #: ../en/ch09-hook.xml:2020
|
dongsheng@627
|
12382 msgid ""
|
dongsheng@627
|
12383 "<literal>parent2</literal>: A changeset ID. Only set if the working "
|
dongsheng@627
|
12384 "directory was merged. The ID of the revision that the working directory was "
|
dongsheng@627
|
12385 "merged with."
|
dongsheng@627
|
12386 msgstr ""
|
dongsheng@627
|
12387
|
dongsheng@627
|
12388 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12389 #: ../en/ch09-hook.xml:2026
|
songdongsheng@658
|
12390 msgid ""
|
songdongsheng@658
|
12391 "See also: <literal role=\"hook\">preupdate</literal> (<xref linkend=\"sec:"
|
songdongsheng@658
|
12392 "hook:preupdate\"/>)"
|
dongsheng@627
|
12393 msgstr ""
|
dongsheng@627
|
12394
|
dongsheng@627
|
12395 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
12396 #: ../en/ch10-template.xml:5
|
dongsheng@627
|
12397 msgid "Customising the output of Mercurial"
|
dongsheng@627
|
12398 msgstr "定制 Mercurial 的输出"
|
dongsheng@627
|
12399
|
dongsheng@627
|
12400 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
12401 #: ../en/ch10-template.xml:7
|
dongsheng@627
|
12402 msgid ""
|
dongsheng@627
|
12403 "Mercurial provides a powerful mechanism to let you control how it displays "
|
dongsheng@627
|
12404 "information. The mechanism is based on templates. You can use templates to "
|
dongsheng@627
|
12405 "generate specific output for a single command, or to customise the entire "
|
dongsheng@627
|
12406 "appearance of the built-in web interface."
|
dongsheng@627
|
12407 msgstr ""
|
dongsheng@627
|
12408
|
dongsheng@627
|
12409 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
12410 #: ../en/ch10-template.xml:14
|
dongsheng@627
|
12411 msgid "Using precanned output styles"
|
dongsheng@636
|
12412 msgstr "使用预定义的输出样式"
|
dongsheng@627
|
12413
|
dongsheng@627
|
12414 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12415 #: ../en/ch10-template.xml:16
|
dongsheng@627
|
12416 msgid ""
|
dongsheng@627
|
12417 "Packaged with Mercurial are some output styles that you can use immediately. "
|
dongsheng@627
|
12418 "A style is simply a precanned template that someone wrote and installed "
|
dongsheng@627
|
12419 "somewhere that Mercurial can find."
|
dongsheng@627
|
12420 msgstr ""
|
dongsheng@627
|
12421
|
dongsheng@627
|
12422 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12423 #: ../en/ch10-template.xml:21
|
dongsheng@627
|
12424 msgid ""
|
dongsheng@627
|
12425 "Before we take a look at Mercurial's bundled styles, let's review its normal "
|
dongsheng@627
|
12426 "output."
|
dongsheng@627
|
12427 msgstr ""
|
dongsheng@627
|
12428
|
dongsheng@627
|
12429 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12430 #: ../en/ch10-template.xml:26
|
dongsheng@627
|
12431 msgid ""
|
songdongsheng@668
|
12432 "This is somewhat informative, but it takes up a lot of space&emdash;five "
|
songdongsheng@668
|
12433 "lines of output per changeset. The <literal>compact</literal> style reduces "
|
songdongsheng@668
|
12434 "this to three lines, presented in a sparse manner."
|
dongsheng@627
|
12435 msgstr ""
|
dongsheng@627
|
12436
|
dongsheng@627
|
12437 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12438 #: ../en/ch10-template.xml:33
|
dongsheng@627
|
12439 msgid ""
|
dongsheng@627
|
12440 "The <literal>changelog</literal> style hints at the expressive power of "
|
dongsheng@627
|
12441 "Mercurial's templating engine. This style attempts to follow the GNU "
|
dongsheng@627
|
12442 "Project's changelog guidelines<citation>web:changelog</citation>."
|
dongsheng@627
|
12443 msgstr ""
|
dongsheng@627
|
12444
|
dongsheng@627
|
12445 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12446 #: ../en/ch10-template.xml:40
|
dongsheng@627
|
12447 msgid ""
|
dongsheng@627
|
12448 "You will not be shocked to learn that Mercurial's default output style is "
|
dongsheng@627
|
12449 "named <literal>default</literal>."
|
dongsheng@627
|
12450 msgstr ""
|
dongsheng@627
|
12451
|
dongsheng@627
|
12452 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
12453 #: ../en/ch10-template.xml:44
|
dongsheng@627
|
12454 msgid "Setting a default style"
|
dongsheng@636
|
12455 msgstr "设置默认样式"
|
dongsheng@627
|
12456
|
dongsheng@627
|
12457 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12458 #: ../en/ch10-template.xml:46
|
dongsheng@627
|
12459 msgid ""
|
dongsheng@627
|
12460 "You can modify the output style that Mercurial will use for every command by "
|
dongsheng@650
|
12461 "editing your <filename role=\"special\">~/.hgrc</filename> file, naming the "
|
dongsheng@627
|
12462 "style you would prefer to use."
|
dongsheng@627
|
12463 msgstr ""
|
dongsheng@627
|
12464
|
dongsheng@627
|
12465 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
12466 #: ../en/ch10-template.xml:54
|
dongsheng@627
|
12467 msgid ""
|
dongsheng@627
|
12468 "If you write a style of your own, you can use it by either providing the path "
|
dongsheng@627
|
12469 "to your style file, or copying your style file into a location where "
|
dongsheng@627
|
12470 "Mercurial can find it (typically the <literal>templates</literal> "
|
dongsheng@627
|
12471 "subdirectory of your Mercurial install directory)."
|
dongsheng@627
|
12472 msgstr ""
|
dongsheng@627
|
12473
|
dongsheng@627
|
12474 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
12475 #: ../en/ch10-template.xml:63
|
dongsheng@627
|
12476 msgid "Commands that support styles and templates"
|
dongsheng@636
|
12477 msgstr "支持样式和模版的命令"
|
dongsheng@627
|
12478
|
dongsheng@627
|
12479 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12480 #: ../en/ch10-template.xml:65
|
dongsheng@627
|
12481 msgid ""
|
dongsheng@627
|
12482 "All of Mercurial's <quote><literal>log</literal>-like</quote> commands let "
|
dongsheng@627
|
12483 "you use styles and templates: <command role=\"hg-cmd\">hg incoming</command>, "
|
dongsheng@627
|
12484 "<command role=\"hg-cmd\">hg log</command>, <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
12485 "outgoing</command>, and <command role=\"hg-cmd\">hg tip</command>."
|
dongsheng@627
|
12486 msgstr ""
|
dongsheng@627
|
12487
|
dongsheng@627
|
12488 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12489 #: ../en/ch10-template.xml:72
|
dongsheng@627
|
12490 msgid ""
|
dongsheng@627
|
12491 "As I write this manual, these are so far the only commands that support "
|
dongsheng@627
|
12492 "styles and templates. Since these are the most important commands that need "
|
dongsheng@627
|
12493 "customisable output, there has been little pressure from the Mercurial user "
|
dongsheng@627
|
12494 "community to add style and template support to other commands."
|
dongsheng@627
|
12495 msgstr ""
|
dongsheng@627
|
12496
|
dongsheng@627
|
12497 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
12498 #: ../en/ch10-template.xml:80
|
dongsheng@627
|
12499 msgid "The basics of templating"
|
dongsheng@636
|
12500 msgstr "模版基础"
|
dongsheng@627
|
12501
|
dongsheng@627
|
12502 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12503 #: ../en/ch10-template.xml:82
|
dongsheng@627
|
12504 msgid ""
|
dongsheng@627
|
12505 "At its simplest, a Mercurial template is a piece of text. Some of the text "
|
dongsheng@627
|
12506 "never changes, while other parts are <emphasis>expanded</emphasis>, or "
|
dongsheng@627
|
12507 "replaced with new text, when necessary."
|
dongsheng@627
|
12508 msgstr ""
|
dongsheng@627
|
12509
|
dongsheng@627
|
12510 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12511 #: ../en/ch10-template.xml:87
|
dongsheng@627
|
12512 msgid ""
|
dongsheng@627
|
12513 "Before we continue, let's look again at a simple example of Mercurial's "
|
dongsheng@627
|
12514 "normal output."
|
dongsheng@627
|
12515 msgstr ""
|
dongsheng@627
|
12516
|
dongsheng@627
|
12517 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12518 #: ../en/ch10-template.xml:92
|
dongsheng@627
|
12519 msgid ""
|
dongsheng@627
|
12520 "Now, let's run the same command, but using a template to change its output."
|
dongsheng@627
|
12521 msgstr ""
|
dongsheng@627
|
12522
|
dongsheng@627
|
12523 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12524 #: ../en/ch10-template.xml:97
|
dongsheng@627
|
12525 msgid ""
|
dongsheng@627
|
12526 "The example above illustrates the simplest possible template; it's just a "
|
dongsheng@627
|
12527 "piece of static text, printed once for each changeset. The <option role=\"hg-"
|
dongsheng@627
|
12528 "opt-log\">--template</option> option to the <command role=\"hg-cmd\">hg log</"
|
dongsheng@627
|
12529 "command> command tells Mercurial to use the given text as the template when "
|
dongsheng@627
|
12530 "printing each changeset."
|
dongsheng@627
|
12531 msgstr ""
|
dongsheng@627
|
12532
|
dongsheng@627
|
12533 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12534 #: ../en/ch10-template.xml:105
|
dongsheng@627
|
12535 msgid ""
|
dongsheng@627
|
12536 "Notice that the template string above ends with the text <quote><literal>\\n</"
|
dongsheng@627
|
12537 "literal></quote>. This is an <emphasis>escape sequence</emphasis>, telling "
|
dongsheng@627
|
12538 "Mercurial to print a newline at the end of each template item. If you omit "
|
songdongsheng@658
|
12539 "this newline, Mercurial will run each piece of output together. See <xref "
|
songdongsheng@658
|
12540 "linkend=\"sec:template:escape\"/> for more details of escape sequences."
|
dongsheng@627
|
12541 msgstr ""
|
dongsheng@627
|
12542
|
dongsheng@627
|
12543 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12544 #: ../en/ch10-template.xml:113
|
dongsheng@627
|
12545 msgid ""
|
dongsheng@627
|
12546 "A template that prints a fixed string of text all the time isn't very useful; "
|
dongsheng@627
|
12547 "let's try something a bit more complex."
|
dongsheng@627
|
12548 msgstr ""
|
dongsheng@627
|
12549
|
dongsheng@627
|
12550 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
12551 #: ../en/ch10-template.xml:119
|
dongsheng@627
|
12552 msgid ""
|
dongsheng@627
|
12553 "As you can see, the string <quote><literal>{desc}</literal></quote> in the "
|
dongsheng@627
|
12554 "template has been replaced in the output with the description of each "
|
dongsheng@627
|
12555 "changeset. Every time Mercurial finds text enclosed in curly braces "
|
dongsheng@627
|
12556 "(<quote><literal>{</literal></quote> and <quote><literal>}</literal></"
|
dongsheng@627
|
12557 "quote>), it will try to replace the braces and text with the expansion of "
|
dongsheng@627
|
12558 "whatever is inside. To print a literal curly brace, you must escape it, as "
|
songdongsheng@658
|
12559 "described in <xref linkend=\"sec:template:escape\"/>."
|
dongsheng@627
|
12560 msgstr ""
|
dongsheng@627
|
12561
|
dongsheng@627
|
12562 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
12563 #: ../en/ch10-template.xml:131
|
dongsheng@627
|
12564 msgid "Common template keywords"
|
dongsheng@636
|
12565 msgstr "模版关键字"
|
dongsheng@627
|
12566
|
dongsheng@627
|
12567 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12568 #: ../en/ch10-template.xml:133
|
dongsheng@627
|
12569 msgid ""
|
dongsheng@627
|
12570 "You can start writing simple templates immediately using the keywords below."
|
dongsheng@627
|
12571 msgstr ""
|
dongsheng@627
|
12572
|
dongsheng@627
|
12573 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12574 #: ../en/ch10-template.xml:137
|
dongsheng@627
|
12575 msgid ""
|
dongsheng@627
|
12576 "<literal role=\"template-keyword\">author</literal>: String. The unmodified "
|
dongsheng@627
|
12577 "author of the changeset."
|
dongsheng@627
|
12578 msgstr ""
|
dongsheng@627
|
12579
|
dongsheng@627
|
12580 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12581 #: ../en/ch10-template.xml:141
|
dongsheng@627
|
12582 msgid ""
|
dongsheng@627
|
12583 "<literal role=\"template-keyword\">branches</literal>: String. The name of "
|
dongsheng@627
|
12584 "the branch on which the changeset was committed. Will be empty if the branch "
|
dongsheng@627
|
12585 "name was <literal>default</literal>."
|
dongsheng@627
|
12586 msgstr ""
|
dongsheng@627
|
12587
|
dongsheng@627
|
12588 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12589 #: ../en/ch10-template.xml:147
|
dongsheng@627
|
12590 msgid ""
|
dongsheng@627
|
12591 "<literal role=\"template-keyword\">date</literal>: Date information. The "
|
dongsheng@627
|
12592 "date when the changeset was committed. This is <emphasis>not</emphasis> "
|
dongsheng@627
|
12593 "human-readable; you must pass it through a filter that will render it "
|
songdongsheng@658
|
12594 "appropriately. See <xref linkend=\"sec:template:filter\"/> for more "
|
dongsheng@627
|
12595 "information on filters. The date is expressed as a pair of numbers. The "
|
dongsheng@627
|
12596 "first number is a Unix UTC timestamp (seconds since January 1, 1970); the "
|
dongsheng@627
|
12597 "second is the offset of the committer's timezone from UTC, in seconds."
|
dongsheng@627
|
12598 msgstr ""
|
dongsheng@627
|
12599
|
dongsheng@627
|
12600 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12601 #: ../en/ch10-template.xml:158
|
dongsheng@627
|
12602 msgid ""
|
dongsheng@627
|
12603 "<literal role=\"template-keyword\">desc</literal>: String. The text of the "
|
dongsheng@627
|
12604 "changeset description."
|
dongsheng@627
|
12605 msgstr ""
|
dongsheng@627
|
12606
|
dongsheng@627
|
12607 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12608 #: ../en/ch10-template.xml:161
|
dongsheng@627
|
12609 msgid ""
|
dongsheng@627
|
12610 "<literal role=\"template-keyword\">files</literal>: List of strings. All "
|
dongsheng@627
|
12611 "files modified, added, or removed by this changeset."
|
dongsheng@627
|
12612 msgstr ""
|
dongsheng@627
|
12613
|
dongsheng@627
|
12614 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12615 #: ../en/ch10-template.xml:166
|
dongsheng@627
|
12616 msgid ""
|
dongsheng@627
|
12617 "<literal role=\"template-keyword\">file_adds</literal>: List of strings. "
|
dongsheng@627
|
12618 "Files added by this changeset."
|
dongsheng@627
|
12619 msgstr ""
|
dongsheng@627
|
12620
|
dongsheng@627
|
12621 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12622 #: ../en/ch10-template.xml:170
|
dongsheng@627
|
12623 msgid ""
|
dongsheng@627
|
12624 "<literal role=\"template-keyword\">file_dels</literal>: List of strings. "
|
dongsheng@627
|
12625 "Files removed by this changeset."
|
dongsheng@627
|
12626 msgstr ""
|
dongsheng@627
|
12627
|
dongsheng@627
|
12628 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12629 #: ../en/ch10-template.xml:174
|
dongsheng@627
|
12630 msgid ""
|
dongsheng@627
|
12631 "<literal role=\"template-keyword\">node</literal>: String. The changeset "
|
dongsheng@627
|
12632 "identification hash, as a 40-character hexadecimal string."
|
dongsheng@627
|
12633 msgstr ""
|
dongsheng@627
|
12634
|
dongsheng@627
|
12635 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12636 #: ../en/ch10-template.xml:178
|
dongsheng@627
|
12637 msgid ""
|
dongsheng@627
|
12638 "<literal role=\"template-keyword\">parents</literal>: List of strings. The "
|
dongsheng@627
|
12639 "parents of the changeset."
|
dongsheng@627
|
12640 msgstr ""
|
dongsheng@627
|
12641
|
dongsheng@627
|
12642 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12643 #: ../en/ch10-template.xml:182
|
dongsheng@627
|
12644 msgid ""
|
dongsheng@627
|
12645 "<literal role=\"template-keyword\">rev</literal>: Integer. The repository-"
|
dongsheng@627
|
12646 "local changeset revision number."
|
dongsheng@627
|
12647 msgstr ""
|
dongsheng@627
|
12648
|
dongsheng@627
|
12649 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12650 #: ../en/ch10-template.xml:186
|
dongsheng@627
|
12651 msgid ""
|
dongsheng@627
|
12652 "<literal role=\"template-keyword\">tags</literal>: List of strings. Any tags "
|
dongsheng@627
|
12653 "associated with the changeset."
|
dongsheng@627
|
12654 msgstr ""
|
dongsheng@627
|
12655
|
dongsheng@627
|
12656 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12657 #: ../en/ch10-template.xml:191
|
dongsheng@627
|
12658 msgid ""
|
dongsheng@627
|
12659 "A few simple experiments will show us what to expect when we use these "
|
dongsheng@627
|
12660 "keywords; you can see the results below."
|
dongsheng@627
|
12661 msgstr ""
|
dongsheng@627
|
12662
|
dongsheng@627
|
12663 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12664 #: ../en/ch10-template.xml:196
|
dongsheng@627
|
12665 msgid ""
|
dongsheng@627
|
12666 "As we noted above, the date keyword does not produce human-readable output, "
|
dongsheng@627
|
12667 "so we must treat it specially. This involves using a <emphasis>filter</"
|
songdongsheng@658
|
12668 "emphasis>, about which more in <xref linkend=\"sec:template:filter\"/>."
|
dongsheng@627
|
12669 msgstr ""
|
dongsheng@627
|
12670
|
dongsheng@627
|
12671 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
12672 #: ../en/ch10-template.xml:205
|
dongsheng@627
|
12673 msgid "Escape sequences"
|
dongsheng@636
|
12674 msgstr "转义序列"
|
dongsheng@627
|
12675
|
dongsheng@627
|
12676 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12677 #: ../en/ch10-template.xml:207
|
dongsheng@627
|
12678 msgid ""
|
dongsheng@627
|
12679 "Mercurial's templating engine recognises the most commonly used escape "
|
dongsheng@627
|
12680 "sequences in strings. When it sees a backslash (<quote><literal>\\</"
|
dongsheng@627
|
12681 "literal></quote>) character, it looks at the following character and "
|
dongsheng@627
|
12682 "substitutes the two characters with a single replacement, as described below."
|
dongsheng@627
|
12683 msgstr ""
|
dongsheng@627
|
12684
|
dongsheng@627
|
12685 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12686 #: ../en/ch10-template.xml:214
|
dongsheng@650
|
12687 msgid ""
|
dongsheng@650
|
12688 "<literal>\\</literal>: Backslash, <quote><literal>\\</literal></quote>, ASCII "
|
dongsheng@650
|
12689 "134."
|
dongsheng@627
|
12690 msgstr ""
|
dongsheng@627
|
12691
|
dongsheng@627
|
12692 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12693 #: ../en/ch10-template.xml:218
|
dongsheng@650
|
12694 msgid "<literal>\\n</literal>: Newline, ASCII 12."
|
dongsheng@627
|
12695 msgstr ""
|
dongsheng@627
|
12696
|
dongsheng@627
|
12697 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12698 #: ../en/ch10-template.xml:221
|
dongsheng@650
|
12699 msgid "<literal>\\r</literal>: Carriage return, ASCII 15."
|
dongsheng@627
|
12700 msgstr ""
|
dongsheng@627
|
12701
|
dongsheng@627
|
12702 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12703 #: ../en/ch10-template.xml:224
|
dongsheng@650
|
12704 msgid "<literal>\\t</literal>: Tab, ASCII 11."
|
dongsheng@627
|
12705 msgstr ""
|
dongsheng@627
|
12706
|
dongsheng@627
|
12707 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12708 #: ../en/ch10-template.xml:227
|
dongsheng@650
|
12709 msgid "<literal>\\v</literal>: Vertical tab, ASCII 13."
|
dongsheng@627
|
12710 msgstr ""
|
dongsheng@627
|
12711
|
dongsheng@627
|
12712 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12713 #: ../en/ch10-template.xml:230
|
dongsheng@650
|
12714 msgid ""
|
dongsheng@650
|
12715 "<literal>{</literal>: Open curly brace, <quote><literal>{</literal></quote>, "
|
dongsheng@650
|
12716 "ASCII 173."
|
dongsheng@627
|
12717 msgstr ""
|
dongsheng@627
|
12718
|
dongsheng@627
|
12719 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12720 #: ../en/ch10-template.xml:234
|
dongsheng@650
|
12721 msgid ""
|
dongsheng@650
|
12722 "<literal>}</literal>: Close curly brace, <quote><literal>}</literal></quote>, "
|
dongsheng@650
|
12723 "ASCII 175."
|
dongsheng@650
|
12724 msgstr ""
|
dongsheng@650
|
12725
|
dongsheng@650
|
12726 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12727 #: ../en/ch10-template.xml:239
|
dongsheng@627
|
12728 msgid ""
|
dongsheng@627
|
12729 "As indicated above, if you want the expansion of a template to contain a "
|
dongsheng@627
|
12730 "literal <quote><literal>\\</literal></quote>, <quote><literal>{</literal></"
|
dongsheng@627
|
12731 "quote>, or <quote><literal>{</literal></quote> character, you must escape it."
|
dongsheng@627
|
12732 msgstr ""
|
dongsheng@627
|
12733
|
dongsheng@627
|
12734 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
12735 #: ../en/ch10-template.xml:247
|
dongsheng@627
|
12736 msgid "Filtering keywords to change their results"
|
dongsheng@636
|
12737 msgstr "通过过滤关键字来修改输出结果"
|
dongsheng@627
|
12738
|
dongsheng@627
|
12739 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12740 #: ../en/ch10-template.xml:249
|
dongsheng@627
|
12741 msgid ""
|
dongsheng@627
|
12742 "Some of the results of template expansion are not immediately easy to use. "
|
dongsheng@627
|
12743 "Mercurial lets you specify an optional chain of <emphasis>filters</emphasis> "
|
dongsheng@627
|
12744 "to modify the result of expanding a keyword. You have already seen a common "
|
dongsheng@627
|
12745 "filter, <literal role=\"template-kw-filt-date\">isodate</literal>, in action "
|
dongsheng@627
|
12746 "above, to make a date readable."
|
dongsheng@627
|
12747 msgstr ""
|
dongsheng@627
|
12748
|
dongsheng@627
|
12749 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12750 #: ../en/ch10-template.xml:256
|
dongsheng@627
|
12751 msgid ""
|
dongsheng@627
|
12752 "Below is a list of the most commonly used filters that Mercurial supports. "
|
dongsheng@627
|
12753 "While some filters can be applied to any text, others can only be used in "
|
dongsheng@627
|
12754 "specific circumstances. The name of each filter is followed first by an "
|
dongsheng@627
|
12755 "indication of where it can be used, then a description of its effect."
|
dongsheng@627
|
12756 msgstr ""
|
dongsheng@627
|
12757
|
dongsheng@627
|
12758 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12759 #: ../en/ch10-template.xml:263
|
dongsheng@627
|
12760 msgid ""
|
dongsheng@627
|
12761 "<literal role=\"template-filter\">addbreaks</literal>: Any text. Add an XHTML "
|
dongsheng@627
|
12762 "<quote><literal><br/></literal></quote> tag before the end of every "
|
dongsheng@627
|
12763 "line except the last. For example, <quote><literal>foo\\nbar</literal></"
|
dongsheng@627
|
12764 "quote> becomes <quote><literal>foo<br/>\\nbar</literal></quote>."
|
dongsheng@627
|
12765 msgstr ""
|
dongsheng@627
|
12766
|
dongsheng@627
|
12767 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12768 #: ../en/ch10-template.xml:270
|
dongsheng@627
|
12769 msgid ""
|
dongsheng@627
|
12770 "<literal role=\"template-kw-filt-date\">age</literal>: <literal role="
|
dongsheng@627
|
12771 "\"template-keyword\">date</literal> keyword. Render the age of the date, "
|
dongsheng@627
|
12772 "relative to the current time. Yields a string like <quote><literal>10 "
|
dongsheng@627
|
12773 "minutes</literal></quote>."
|
dongsheng@627
|
12774 msgstr ""
|
dongsheng@627
|
12775
|
dongsheng@627
|
12776 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12777 #: ../en/ch10-template.xml:277
|
dongsheng@627
|
12778 msgid ""
|
dongsheng@627
|
12779 "<literal role=\"template-filter\">basename</literal>: Any text, but most "
|
dongsheng@627
|
12780 "useful for the <literal role=\"template-keyword\">files</literal> keyword and "
|
dongsheng@627
|
12781 "its relatives. Treat the text as a path, and return the basename. For "
|
dongsheng@627
|
12782 "example, <quote><literal>foo/bar/baz</literal></quote> becomes "
|
dongsheng@627
|
12783 "<quote><literal>baz</literal></quote>."
|
dongsheng@627
|
12784 msgstr ""
|
dongsheng@627
|
12785
|
dongsheng@627
|
12786 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12787 #: ../en/ch10-template.xml:286
|
dongsheng@627
|
12788 msgid ""
|
dongsheng@627
|
12789 "<literal role=\"template-kw-filt-date\">date</literal>: <literal role="
|
dongsheng@627
|
12790 "\"template-keyword\">date</literal> keyword. Render a date in a similar "
|
dongsheng@627
|
12791 "format to the Unix <literal role=\"template-keyword\">date</literal> command, "
|
dongsheng@627
|
12792 "but with timezone included. Yields a string like <quote><literal>Mon Sep 04 "
|
dongsheng@627
|
12793 "15:13:13 2006 -0700</literal></quote>."
|
dongsheng@627
|
12794 msgstr ""
|
dongsheng@627
|
12795
|
dongsheng@627
|
12796 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12797 #: ../en/ch10-template.xml:294
|
dongsheng@627
|
12798 msgid ""
|
dongsheng@627
|
12799 "<literal role=\"template-kw-filt-author\">domain</literal>: Any text, but "
|
dongsheng@627
|
12800 "most useful for the <literal role=\"template-keyword\">author</literal> "
|
dongsheng@627
|
12801 "keyword. Finds the first string that looks like an email address, and "
|
dongsheng@627
|
12802 "extract just the domain component. For example, <quote><literal>Bryan "
|
dongsheng@627
|
12803 "O'Sullivan <bos@serpentine.com></literal></quote> becomes "
|
dongsheng@627
|
12804 "<quote><literal>serpentine.com</literal></quote>."
|
dongsheng@627
|
12805 msgstr ""
|
dongsheng@627
|
12806
|
dongsheng@627
|
12807 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12808 #: ../en/ch10-template.xml:304
|
dongsheng@627
|
12809 msgid ""
|
dongsheng@627
|
12810 "<literal role=\"template-kw-filt-author\">email</literal>: Any text, but most "
|
dongsheng@627
|
12811 "useful for the <literal role=\"template-keyword\">author</literal> keyword. "
|
dongsheng@627
|
12812 "Extract the first string that looks like an email address. For example, "
|
dongsheng@627
|
12813 "<quote><literal>Bryan O'Sullivan <bos@serpentine.com></literal></quote> "
|
dongsheng@627
|
12814 "becomes <quote><literal>bos@serpentine.com</literal></quote>."
|
dongsheng@627
|
12815 msgstr ""
|
dongsheng@627
|
12816
|
dongsheng@627
|
12817 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12818 #: ../en/ch10-template.xml:313
|
dongsheng@627
|
12819 msgid ""
|
dongsheng@627
|
12820 "<literal role=\"template-filter\">escape</literal>: Any text. Replace the "
|
dongsheng@627
|
12821 "special XML/XHTML characters <quote><literal>&</literal></quote>, "
|
dongsheng@627
|
12822 "<quote><literal><</literal></quote> and <quote><literal>></literal></"
|
dongsheng@627
|
12823 "quote> with XML entities."
|
dongsheng@627
|
12824 msgstr ""
|
dongsheng@627
|
12825
|
dongsheng@627
|
12826 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12827 #: ../en/ch10-template.xml:321
|
dongsheng@627
|
12828 msgid ""
|
dongsheng@627
|
12829 "<literal role=\"template-filter\">fill68</literal>: Any text. Wrap the text "
|
dongsheng@627
|
12830 "to fit in 68 columns. This is useful before you pass text through the "
|
dongsheng@627
|
12831 "<literal role=\"template-filter\">tabindent</literal> filter, and still want "
|
dongsheng@627
|
12832 "it to fit in an 80-column fixed-font window."
|
dongsheng@627
|
12833 msgstr ""
|
dongsheng@627
|
12834
|
dongsheng@627
|
12835 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12836 #: ../en/ch10-template.xml:329
|
dongsheng@627
|
12837 msgid ""
|
dongsheng@627
|
12838 "<literal role=\"template-filter\">fill76</literal>: Any text. Wrap the text "
|
dongsheng@627
|
12839 "to fit in 76 columns."
|
dongsheng@627
|
12840 msgstr ""
|
dongsheng@627
|
12841
|
dongsheng@627
|
12842 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12843 #: ../en/ch10-template.xml:333
|
dongsheng@627
|
12844 msgid ""
|
dongsheng@627
|
12845 "<literal role=\"template-filter\">firstline</literal>: Any text. Yield the "
|
dongsheng@627
|
12846 "first line of text, without any trailing newlines."
|
dongsheng@627
|
12847 msgstr ""
|
dongsheng@627
|
12848
|
dongsheng@627
|
12849 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12850 #: ../en/ch10-template.xml:338
|
dongsheng@627
|
12851 msgid ""
|
dongsheng@627
|
12852 "<literal role=\"template-kw-filt-date\">hgdate</literal>: <literal role="
|
dongsheng@627
|
12853 "\"template-keyword\">date</literal> keyword. Render the date as a pair of "
|
dongsheng@627
|
12854 "readable numbers. Yields a string like <quote><literal>1157407993 25200</"
|
dongsheng@627
|
12855 "literal></quote>."
|
dongsheng@627
|
12856 msgstr ""
|
dongsheng@627
|
12857
|
dongsheng@627
|
12858 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12859 #: ../en/ch10-template.xml:345
|
dongsheng@627
|
12860 msgid ""
|
dongsheng@627
|
12861 "<literal role=\"template-kw-filt-date\">isodate</literal>: <literal role="
|
dongsheng@627
|
12862 "\"template-keyword\">date</literal> keyword. Render the date as a text "
|
dongsheng@627
|
12863 "string in ISO 8601 format. Yields a string like <quote><literal>2006-09-04 "
|
dongsheng@627
|
12864 "15:13:13 -0700</literal></quote>."
|
dongsheng@627
|
12865 msgstr ""
|
dongsheng@627
|
12866
|
dongsheng@627
|
12867 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12868 #: ../en/ch10-template.xml:352
|
dongsheng@627
|
12869 msgid ""
|
dongsheng@627
|
12870 "<literal role=\"template-filter\">obfuscate</literal>: Any text, but most "
|
dongsheng@627
|
12871 "useful for the <literal role=\"template-keyword\">author</literal> keyword. "
|
dongsheng@627
|
12872 "Yield the input text rendered as a sequence of XML entities. This helps to "
|
dongsheng@627
|
12873 "defeat some particularly stupid screen-scraping email harvesting spambots."
|
dongsheng@627
|
12874 msgstr ""
|
dongsheng@627
|
12875
|
dongsheng@627
|
12876 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12877 #: ../en/ch10-template.xml:360
|
dongsheng@627
|
12878 msgid ""
|
dongsheng@627
|
12879 "<literal role=\"template-kw-filt-author\">person</literal>: Any text, but "
|
dongsheng@627
|
12880 "most useful for the <literal role=\"template-keyword\">author</literal> "
|
dongsheng@627
|
12881 "keyword. Yield the text before an email address. For example, "
|
dongsheng@627
|
12882 "<quote><literal>Bryan O'Sullivan <bos@serpentine.com></literal></quote> "
|
dongsheng@627
|
12883 "becomes <quote><literal>Bryan O'Sullivan</literal></quote>."
|
dongsheng@627
|
12884 msgstr ""
|
dongsheng@627
|
12885
|
dongsheng@627
|
12886 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12887 #: ../en/ch10-template.xml:369
|
dongsheng@627
|
12888 msgid ""
|
dongsheng@627
|
12889 "<literal role=\"template-kw-filt-date\">rfc822date</literal>: <literal role="
|
dongsheng@627
|
12890 "\"template-keyword\">date</literal> keyword. Render a date using the same "
|
dongsheng@627
|
12891 "format used in email headers. Yields a string like <quote><literal>Mon, 04 "
|
dongsheng@627
|
12892 "Sep 2006 15:13:13 -0700</literal></quote>."
|
dongsheng@627
|
12893 msgstr ""
|
dongsheng@627
|
12894
|
dongsheng@627
|
12895 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12896 #: ../en/ch10-template.xml:376
|
dongsheng@627
|
12897 msgid ""
|
dongsheng@627
|
12898 "<literal role=\"template-kw-filt-node\">short</literal>: Changeset hash. "
|
dongsheng@627
|
12899 "Yield the short form of a changeset hash, i.e. a 12-character hexadecimal "
|
dongsheng@627
|
12900 "string."
|
dongsheng@627
|
12901 msgstr ""
|
dongsheng@627
|
12902
|
dongsheng@627
|
12903 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12904 #: ../en/ch10-template.xml:381
|
dongsheng@627
|
12905 msgid ""
|
dongsheng@627
|
12906 "<literal role=\"template-kw-filt-date\">shortdate</literal>: <literal role="
|
dongsheng@627
|
12907 "\"template-keyword\">date</literal> keyword. Render the year, month, and day "
|
dongsheng@627
|
12908 "of the date. Yields a string like <quote><literal>2006-09-04</literal></"
|
dongsheng@627
|
12909 "quote>."
|
dongsheng@627
|
12910 msgstr ""
|
dongsheng@627
|
12911
|
dongsheng@627
|
12912 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12913 #: ../en/ch10-template.xml:387
|
dongsheng@627
|
12914 msgid ""
|
dongsheng@627
|
12915 "<literal role=\"template-filter\">strip</literal>: Any text. Strip all "
|
dongsheng@627
|
12916 "leading and trailing whitespace from the string."
|
dongsheng@627
|
12917 msgstr ""
|
dongsheng@627
|
12918
|
dongsheng@627
|
12919 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12920 #: ../en/ch10-template.xml:391
|
dongsheng@627
|
12921 msgid ""
|
dongsheng@627
|
12922 "<literal role=\"template-filter\">tabindent</literal>: Any text. Yield the "
|
dongsheng@627
|
12923 "text, with every line except the first starting with a tab character."
|
dongsheng@627
|
12924 msgstr ""
|
dongsheng@627
|
12925
|
dongsheng@627
|
12926 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12927 #: ../en/ch10-template.xml:396
|
dongsheng@627
|
12928 msgid ""
|
dongsheng@627
|
12929 "<literal role=\"template-filter\">urlescape</literal>: Any text. Escape all "
|
dongsheng@627
|
12930 "characters that are considered <quote>special</quote> by URL parsers. For "
|
dongsheng@627
|
12931 "example, <literal>foo bar</literal> becomes <literal>foo%20bar</literal>."
|
dongsheng@627
|
12932 msgstr ""
|
dongsheng@627
|
12933
|
dongsheng@627
|
12934 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
12935 #: ../en/ch10-template.xml:403
|
dongsheng@627
|
12936 msgid ""
|
dongsheng@627
|
12937 "<literal role=\"template-kw-filt-author\">user</literal>: Any text, but most "
|
dongsheng@627
|
12938 "useful for the <literal role=\"template-keyword\">author</literal> keyword. "
|
dongsheng@627
|
12939 "Return the <quote>user</quote> portion of an email address. For example, "
|
dongsheng@627
|
12940 "<quote><literal>Bryan O'Sullivan <bos@serpentine.com></literal></quote> "
|
dongsheng@627
|
12941 "becomes <quote><literal>bos</literal></quote>."
|
dongsheng@627
|
12942 msgstr ""
|
dongsheng@627
|
12943
|
dongsheng@627
|
12944 #. type: Content of: <book><chapter><sect1><note><para>
|
songdongsheng@658
|
12945 #: ../en/ch10-template.xml:416
|
dongsheng@627
|
12946 msgid ""
|
dongsheng@627
|
12947 "If you try to apply a filter to a piece of data that it cannot process, "
|
dongsheng@627
|
12948 "Mercurial will fail and print a Python exception. For example, trying to run "
|
dongsheng@627
|
12949 "the output of the <literal role=\"template-keyword\">desc</literal> keyword "
|
dongsheng@627
|
12950 "into the <literal role=\"template-kw-filt-date\">isodate</literal> filter is "
|
dongsheng@627
|
12951 "not a good idea."
|
dongsheng@627
|
12952 msgstr ""
|
dongsheng@627
|
12953
|
dongsheng@627
|
12954 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
12955 #: ../en/ch10-template.xml:425
|
dongsheng@627
|
12956 msgid "Combining filters"
|
dongsheng@636
|
12957 msgstr "组合过滤器"
|
dongsheng@627
|
12958
|
dongsheng@627
|
12959 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12960 #: ../en/ch10-template.xml:427
|
dongsheng@627
|
12961 msgid ""
|
dongsheng@627
|
12962 "It is easy to combine filters to yield output in the form you would like. "
|
dongsheng@627
|
12963 "The following chain of filters tidies up a description, then makes sure that "
|
dongsheng@627
|
12964 "it fits cleanly into 68 columns, then indents it by a further 8 characters "
|
dongsheng@627
|
12965 "(at least on Unix-like systems, where a tab is conventionally 8 characters "
|
dongsheng@627
|
12966 "wide)."
|
dongsheng@627
|
12967 msgstr ""
|
dongsheng@627
|
12968
|
dongsheng@627
|
12969 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12970 #: ../en/ch10-template.xml:436
|
dongsheng@627
|
12971 msgid ""
|
dongsheng@627
|
12972 "Note the use of <quote><literal>\\t</literal></quote> (a tab character) in "
|
dongsheng@627
|
12973 "the template to force the first line to be indented; this is necessary since "
|
dongsheng@627
|
12974 "<literal role=\"template-keyword\">tabindent</literal> indents all lines "
|
dongsheng@627
|
12975 "<emphasis>except</emphasis> the first."
|
dongsheng@627
|
12976 msgstr ""
|
dongsheng@627
|
12977
|
dongsheng@627
|
12978 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
12979 #: ../en/ch10-template.xml:442
|
dongsheng@627
|
12980 msgid ""
|
dongsheng@627
|
12981 "Keep in mind that the order of filters in a chain is significant. The first "
|
dongsheng@627
|
12982 "filter is applied to the result of the keyword; the second to the result of "
|
dongsheng@627
|
12983 "the first filter; and so on. For example, using <literal>fill68|tabindent</"
|
dongsheng@627
|
12984 "literal> gives very different results from <literal>tabindent|fill68</"
|
dongsheng@627
|
12985 "literal>."
|
dongsheng@627
|
12986 msgstr ""
|
dongsheng@627
|
12987
|
dongsheng@627
|
12988 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
12989 #: ../en/ch10-template.xml:453
|
dongsheng@627
|
12990 msgid "From templates to styles"
|
dongsheng@636
|
12991 msgstr "从模版到样式"
|
dongsheng@627
|
12992
|
dongsheng@627
|
12993 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
12994 #: ../en/ch10-template.xml:455
|
dongsheng@627
|
12995 msgid ""
|
dongsheng@627
|
12996 "A command line template provides a quick and simple way to format some "
|
dongsheng@627
|
12997 "output. Templates can become verbose, though, and it's useful to be able to "
|
dongsheng@627
|
12998 "give a template a name. A style file is a template with a name, stored in a "
|
dongsheng@627
|
12999 "file."
|
dongsheng@627
|
13000 msgstr ""
|
dongsheng@627
|
13001
|
dongsheng@627
|
13002 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
13003 #: ../en/ch10-template.xml:460
|
dongsheng@627
|
13004 msgid ""
|
dongsheng@627
|
13005 "More than that, using a style file unlocks the power of Mercurial's "
|
dongsheng@627
|
13006 "templating engine in ways that are not possible using the command line "
|
dongsheng@627
|
13007 "<option role=\"hg-opt-log\">--template</option> option."
|
dongsheng@627
|
13008 msgstr ""
|
dongsheng@627
|
13009
|
dongsheng@627
|
13010 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13011 #: ../en/ch10-template.xml:466
|
dongsheng@627
|
13012 msgid "The simplest of style files"
|
dongsheng@636
|
13013 msgstr "最简单的样式文件"
|
dongsheng@627
|
13014
|
dongsheng@627
|
13015 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13016 #: ../en/ch10-template.xml:468
|
dongsheng@627
|
13017 msgid "Our simple style file contains just one line:"
|
dongsheng@627
|
13018 msgstr ""
|
dongsheng@627
|
13019
|
dongsheng@627
|
13020 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13021 #: ../en/ch10-template.xml:472
|
dongsheng@627
|
13022 msgid ""
|
dongsheng@627
|
13023 "This tells Mercurial, <quote>if you're printing a changeset, use the text on "
|
dongsheng@627
|
13024 "the right as the template</quote>."
|
dongsheng@627
|
13025 msgstr ""
|
dongsheng@627
|
13026
|
dongsheng@627
|
13027 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13028 #: ../en/ch10-template.xml:478
|
dongsheng@627
|
13029 msgid "Style file syntax"
|
dongsheng@636
|
13030 msgstr "样式文件语法"
|
dongsheng@627
|
13031
|
dongsheng@627
|
13032 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13033 #: ../en/ch10-template.xml:480
|
dongsheng@627
|
13034 msgid "The syntax rules for a style file are simple."
|
dongsheng@627
|
13035 msgstr ""
|
dongsheng@627
|
13036
|
dongsheng@627
|
13037 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13038 #: ../en/ch10-template.xml:483
|
dongsheng@627
|
13039 msgid "The file is processed one line at a time."
|
dongsheng@627
|
13040 msgstr ""
|
dongsheng@627
|
13041
|
dongsheng@627
|
13042 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13043 #: ../en/ch10-template.xml:486
|
dongsheng@627
|
13044 msgid "Leading and trailing white space are ignored."
|
dongsheng@627
|
13045 msgstr ""
|
dongsheng@627
|
13046
|
dongsheng@627
|
13047 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13048 #: ../en/ch10-template.xml:489
|
songdongsheng@658
|
13049 msgid "Empty lines are skipped."
|
songdongsheng@658
|
13050 msgstr ""
|
songdongsheng@658
|
13051
|
songdongsheng@658
|
13052 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
13053 #: ../en/ch10-template.xml:491
|
dongsheng@627
|
13054 msgid ""
|
dongsheng@627
|
13055 "If a line starts with either of the characters <quote><literal>#</literal></"
|
dongsheng@627
|
13056 "quote> or <quote><literal>;</literal></quote>, the entire line is treated as "
|
dongsheng@627
|
13057 "a comment, and skipped as if empty."
|
dongsheng@627
|
13058 msgstr ""
|
dongsheng@627
|
13059
|
dongsheng@627
|
13060 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13061 #: ../en/ch10-template.xml:496
|
dongsheng@627
|
13062 msgid ""
|
dongsheng@627
|
13063 "A line starts with a keyword. This must start with an alphabetic character "
|
dongsheng@627
|
13064 "or underscore, and can subsequently contain any alphanumeric character or "
|
dongsheng@627
|
13065 "underscore. (In regexp notation, a keyword must match <literal>[A-Za-z_][A-"
|
dongsheng@627
|
13066 "Za-z0-9_]*</literal>.)"
|
dongsheng@627
|
13067 msgstr ""
|
dongsheng@627
|
13068
|
dongsheng@627
|
13069 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13070 #: ../en/ch10-template.xml:502
|
dongsheng@627
|
13071 msgid ""
|
dongsheng@627
|
13072 "The next element must be an <quote><literal>=</literal></quote> character, "
|
dongsheng@627
|
13073 "which can be preceded or followed by an arbitrary amount of white space."
|
dongsheng@627
|
13074 msgstr ""
|
dongsheng@627
|
13075
|
dongsheng@627
|
13076 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13077 #: ../en/ch10-template.xml:507
|
dongsheng@627
|
13078 msgid ""
|
dongsheng@627
|
13079 "If the rest of the line starts and ends with matching quote characters "
|
dongsheng@627
|
13080 "(either single or double quote), it is treated as a template body."
|
dongsheng@627
|
13081 msgstr ""
|
dongsheng@627
|
13082
|
dongsheng@627
|
13083 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13084 #: ../en/ch10-template.xml:511
|
dongsheng@627
|
13085 msgid ""
|
dongsheng@627
|
13086 "If the rest of the line <emphasis>does not</emphasis> start with a quote "
|
dongsheng@627
|
13087 "character, it is treated as the name of a file; the contents of this file "
|
dongsheng@627
|
13088 "will be read and used as a template body."
|
dongsheng@627
|
13089 msgstr ""
|
dongsheng@627
|
13090
|
dongsheng@627
|
13091 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
13092 #: ../en/ch10-template.xml:520
|
dongsheng@627
|
13093 msgid "Style files by example"
|
dongsheng@636
|
13094 msgstr "样式文件例子"
|
dongsheng@627
|
13095
|
dongsheng@627
|
13096 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
13097 #: ../en/ch10-template.xml:522
|
dongsheng@627
|
13098 msgid ""
|
dongsheng@627
|
13099 "To illustrate how to write a style file, we will construct a few by example. "
|
dongsheng@627
|
13100 "Rather than provide a complete style file and walk through it, we'll mirror "
|
dongsheng@627
|
13101 "the usual process of developing a style file by starting with something very "
|
dongsheng@627
|
13102 "simple, and walking through a series of successively more complete examples."
|
dongsheng@627
|
13103 msgstr ""
|
dongsheng@627
|
13104
|
dongsheng@627
|
13105 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13106 #: ../en/ch10-template.xml:529
|
dongsheng@627
|
13107 msgid "Identifying mistakes in style files"
|
dongsheng@636
|
13108 msgstr "在样式文件中定位错误"
|
dongsheng@627
|
13109
|
dongsheng@627
|
13110 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13111 #: ../en/ch10-template.xml:531
|
dongsheng@627
|
13112 msgid ""
|
dongsheng@627
|
13113 "If Mercurial encounters a problem in a style file you are working on, it "
|
dongsheng@627
|
13114 "prints a terse error message that, once you figure out what it means, is "
|
dongsheng@627
|
13115 "actually quite useful."
|
dongsheng@627
|
13116 msgstr ""
|
dongsheng@627
|
13117
|
dongsheng@627
|
13118 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13119 #: ../en/ch10-template.xml:537
|
dongsheng@627
|
13120 msgid ""
|
dongsheng@627
|
13121 "Notice that <filename>broken.style</filename> attempts to define a "
|
dongsheng@627
|
13122 "<literal>changeset</literal> keyword, but forgets to give any content for it. "
|
dongsheng@627
|
13123 "When instructed to use this style file, Mercurial promptly complains."
|
dongsheng@627
|
13124 msgstr ""
|
dongsheng@627
|
13125
|
dongsheng@627
|
13126 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13127 #: ../en/ch10-template.xml:544
|
dongsheng@627
|
13128 msgid "This error message looks intimidating, but it is not too hard to follow."
|
dongsheng@627
|
13129 msgstr ""
|
dongsheng@627
|
13130
|
dongsheng@627
|
13131 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13132 #: ../en/ch10-template.xml:548
|
dongsheng@627
|
13133 msgid ""
|
dongsheng@627
|
13134 "The first component is simply Mercurial's way of saying <quote>I am giving "
|
dongsheng@627
|
13135 "up</quote>."
|
dongsheng@627
|
13136 msgstr ""
|
dongsheng@627
|
13137
|
dongsheng@627
|
13138 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13139 #: ../en/ch10-template.xml:552
|
dongsheng@627
|
13140 msgid "Next comes the name of the style file that contains the error."
|
dongsheng@627
|
13141 msgstr ""
|
dongsheng@627
|
13142
|
dongsheng@627
|
13143 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13144 #: ../en/ch10-template.xml:556
|
dongsheng@627
|
13145 msgid ""
|
dongsheng@627
|
13146 "Following the file name is the line number where the error was encountered."
|
dongsheng@627
|
13147 msgstr ""
|
dongsheng@627
|
13148
|
dongsheng@627
|
13149 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13150 #: ../en/ch10-template.xml:560
|
dongsheng@627
|
13151 msgid "Finally, a description of what went wrong."
|
dongsheng@627
|
13152 msgstr ""
|
dongsheng@627
|
13153
|
dongsheng@627
|
13154 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13155 #: ../en/ch10-template.xml:564
|
dongsheng@627
|
13156 msgid ""
|
dongsheng@627
|
13157 "The description of the problem is not always clear (as in this case), but "
|
dongsheng@627
|
13158 "even when it is cryptic, it is almost always trivial to visually inspect the "
|
dongsheng@627
|
13159 "offending line in the style file and see what is wrong."
|
dongsheng@627
|
13160 msgstr ""
|
dongsheng@627
|
13161
|
dongsheng@627
|
13162 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13163 #: ../en/ch10-template.xml:572
|
dongsheng@627
|
13164 msgid "Uniquely identifying a repository"
|
dongsheng@636
|
13165 msgstr "版本库的唯一标识"
|
dongsheng@627
|
13166
|
dongsheng@627
|
13167 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13168 #: ../en/ch10-template.xml:574
|
dongsheng@627
|
13169 msgid ""
|
dongsheng@627
|
13170 "If you would like to be able to identify a Mercurial repository <quote>fairly "
|
dongsheng@627
|
13171 "uniquely</quote> using a short string as an identifier, you can use the first "
|
dongsheng@627
|
13172 "revision in the repository."
|
dongsheng@627
|
13173 msgstr ""
|
dongsheng@627
|
13174
|
dongsheng@627
|
13175 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13176 #: ../en/ch10-template.xml:581
|
dongsheng@627
|
13177 msgid ""
|
dongsheng@627
|
13178 "This is not guaranteed to be unique, but it is nevertheless useful in many "
|
dongsheng@627
|
13179 "cases."
|
dongsheng@627
|
13180 msgstr ""
|
dongsheng@627
|
13181
|
dongsheng@627
|
13182 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13183 #: ../en/ch10-template.xml:584
|
dongsheng@627
|
13184 msgid ""
|
dongsheng@627
|
13185 "It will not work in a completely empty repository, because such a repository "
|
dongsheng@627
|
13186 "does not have a revision zero."
|
dongsheng@627
|
13187 msgstr ""
|
dongsheng@627
|
13188
|
dongsheng@627
|
13189 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13190 #: ../en/ch10-template.xml:588
|
dongsheng@627
|
13191 msgid ""
|
dongsheng@627
|
13192 "Neither will it work in the (extremely rare) case where a repository is a "
|
dongsheng@627
|
13193 "merge of two or more formerly independent repositories, and you still have "
|
dongsheng@627
|
13194 "those repositories around."
|
dongsheng@627
|
13195 msgstr ""
|
dongsheng@627
|
13196
|
dongsheng@627
|
13197 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13198 #: ../en/ch10-template.xml:593
|
dongsheng@627
|
13199 msgid "Here are some uses to which you could put this identifier:"
|
dongsheng@627
|
13200 msgstr ""
|
dongsheng@627
|
13201
|
dongsheng@627
|
13202 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13203 #: ../en/ch10-template.xml:596
|
dongsheng@627
|
13204 msgid ""
|
dongsheng@627
|
13205 "As a key into a table for a database that manages repositories on a server."
|
dongsheng@627
|
13206 msgstr ""
|
dongsheng@627
|
13207
|
dongsheng@627
|
13208 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13209 #: ../en/ch10-template.xml:599
|
dongsheng@627
|
13210 msgid ""
|
dongsheng@627
|
13211 "As half of a {<emphasis>repository ID</emphasis>, <emphasis>revision ID</"
|
dongsheng@627
|
13212 "emphasis>} tuple. Save this information away when you run an automated build "
|
dongsheng@627
|
13213 "or other activity, so that you can <quote>replay</quote> the build later if "
|
dongsheng@627
|
13214 "necessary."
|
dongsheng@627
|
13215 msgstr ""
|
dongsheng@627
|
13216
|
dongsheng@627
|
13217 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13218 #: ../en/ch10-template.xml:608
|
dongsheng@627
|
13219 msgid "Mimicking Subversion's output"
|
dongsheng@636
|
13220 msgstr "模仿 Subversion 的输出"
|
dongsheng@627
|
13221
|
dongsheng@627
|
13222 #
|
dongsheng@627
|
13223 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13224 #: ../en/ch10-template.xml:610
|
dongsheng@627
|
13225 msgid ""
|
dongsheng@627
|
13226 "Let's try to emulate the default output format used by another revision "
|
dongsheng@627
|
13227 "control tool, Subversion."
|
dongsheng@627
|
13228 msgstr ""
|
dongsheng@627
|
13229
|
dongsheng@627
|
13230 #
|
dongsheng@627
|
13231 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13232 #: ../en/ch10-template.xml:615
|
dongsheng@627
|
13233 msgid ""
|
dongsheng@627
|
13234 "Since Subversion's output style is fairly simple, it is easy to copy-and-"
|
dongsheng@627
|
13235 "paste a hunk of its output into a file, and replace the text produced above "
|
dongsheng@627
|
13236 "by Subversion with the template values we'd like to see expanded."
|
dongsheng@627
|
13237 msgstr ""
|
dongsheng@627
|
13238
|
dongsheng@627
|
13239 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13240 #: ../en/ch10-template.xml:622
|
dongsheng@627
|
13241 msgid ""
|
dongsheng@627
|
13242 "There are a few small ways in which this template deviates from the output "
|
dongsheng@627
|
13243 "produced by Subversion."
|
dongsheng@627
|
13244 msgstr ""
|
dongsheng@627
|
13245
|
dongsheng@627
|
13246 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13247 #: ../en/ch10-template.xml:625
|
dongsheng@627
|
13248 msgid ""
|
dongsheng@627
|
13249 "Subversion prints a <quote>readable</quote> date (the <quote><literal>Wed, 27 "
|
dongsheng@627
|
13250 "Sep 2006</literal></quote> in the example output above) in parentheses. "
|
dongsheng@627
|
13251 "Mercurial's templating engine does not provide a way to display a date in "
|
dongsheng@627
|
13252 "this format without also printing the time and time zone."
|
dongsheng@627
|
13253 msgstr ""
|
dongsheng@627
|
13254
|
dongsheng@627
|
13255 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13256 #: ../en/ch10-template.xml:632
|
dongsheng@627
|
13257 msgid ""
|
dongsheng@627
|
13258 "We emulate Subversion's printing of <quote>separator</quote> lines full of "
|
dongsheng@627
|
13259 "<quote><literal>-</literal></quote> characters by ending the template with "
|
dongsheng@627
|
13260 "such a line. We use the templating engine's <literal role=\"template-keyword"
|
dongsheng@627
|
13261 "\">header</literal> keyword to print a separator line as the first line of "
|
dongsheng@627
|
13262 "output (see below), thus achieving similar output to Subversion."
|
dongsheng@627
|
13263 msgstr ""
|
dongsheng@627
|
13264
|
dongsheng@627
|
13265 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
13266 #: ../en/ch10-template.xml:641
|
dongsheng@627
|
13267 msgid ""
|
dongsheng@627
|
13268 "Subversion's output includes a count in the header of the number of lines in "
|
dongsheng@627
|
13269 "the commit message. We cannot replicate this in Mercurial; the templating "
|
dongsheng@627
|
13270 "engine does not currently provide a filter that counts the number of lines "
|
dongsheng@627
|
13271 "the template generates."
|
dongsheng@627
|
13272 msgstr ""
|
dongsheng@627
|
13273
|
dongsheng@627
|
13274 #
|
dongsheng@627
|
13275 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13276 #: ../en/ch10-template.xml:647
|
dongsheng@627
|
13277 msgid ""
|
dongsheng@627
|
13278 "It took me no more than a minute or two of work to replace literal text from "
|
dongsheng@627
|
13279 "an example of Subversion's output with some keywords and filters to give the "
|
dongsheng@627
|
13280 "template above. The style file simply refers to the template."
|
dongsheng@627
|
13281 msgstr ""
|
dongsheng@627
|
13282
|
dongsheng@627
|
13283 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13284 #: ../en/ch10-template.xml:654
|
dongsheng@627
|
13285 msgid ""
|
dongsheng@627
|
13286 "We could have included the text of the template file directly in the style "
|
dongsheng@627
|
13287 "file by enclosing it in quotes and replacing the newlines with "
|
dongsheng@627
|
13288 "<quote><literal>\\n</literal></quote> sequences, but it would have made the "
|
dongsheng@627
|
13289 "style file too difficult to read. Readability is a good guide when you're "
|
dongsheng@627
|
13290 "trying to decide whether some text belongs in a style file, or in a template "
|
dongsheng@627
|
13291 "file that the style file points to. If the style file will look too big or "
|
dongsheng@627
|
13292 "cluttered if you insert a literal piece of text, drop it into a template "
|
dongsheng@627
|
13293 "instead."
|
dongsheng@627
|
13294 msgstr ""
|
dongsheng@627
|
13295
|
dongsheng@627
|
13296 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
13297 #: ../en/ch11-mq.xml:5
|
dongsheng@627
|
13298 msgid "Managing change with Mercurial Queues"
|
dongsheng@627
|
13299 msgstr "使用 MQ 管理修改"
|
dongsheng@627
|
13300
|
dongsheng@627
|
13301 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
13302 #: ../en/ch11-mq.xml:8
|
dongsheng@627
|
13303 msgid "The patch management problem"
|
dongsheng@636
|
13304 msgstr "补丁的管理问题"
|
dongsheng@627
|
13305
|
dongsheng@627
|
13306 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13307 #: ../en/ch11-mq.xml:10
|
dongsheng@627
|
13308 msgid ""
|
dongsheng@627
|
13309 "Here is a common scenario: you need to install a software package from "
|
dongsheng@627
|
13310 "source, but you find a bug that you must fix in the source before you can "
|
dongsheng@627
|
13311 "start using the package. You make your changes, forget about the package for "
|
dongsheng@627
|
13312 "a while, and a few months later you need to upgrade to a newer version of the "
|
dongsheng@627
|
13313 "package. If the newer version of the package still has the bug, you must "
|
dongsheng@627
|
13314 "extract your fix from the older source tree and apply it against the newer "
|
dongsheng@627
|
13315 "version. This is a tedious task, and it's easy to make mistakes."
|
dongsheng@627
|
13316 msgstr ""
|
dongsheng@627
|
13317
|
dongsheng@627
|
13318 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13319 #: ../en/ch11-mq.xml:20
|
dongsheng@627
|
13320 msgid ""
|
dongsheng@627
|
13321 "This is a simple case of the <quote>patch management</quote> problem. You "
|
dongsheng@627
|
13322 "have an <quote>upstream</quote> source tree that you can't change; you need "
|
dongsheng@627
|
13323 "to make some local changes on top of the upstream tree; and you'd like to be "
|
dongsheng@627
|
13324 "able to keep those changes separate, so that you can apply them to newer "
|
dongsheng@627
|
13325 "versions of the upstream source."
|
dongsheng@627
|
13326 msgstr ""
|
dongsheng@627
|
13327
|
dongsheng@627
|
13328 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13329 #: ../en/ch11-mq.xml:27
|
dongsheng@627
|
13330 msgid ""
|
dongsheng@627
|
13331 "The patch management problem arises in many situations. Probably the most "
|
dongsheng@627
|
13332 "visible is that a user of an open source software project will contribute a "
|
dongsheng@627
|
13333 "bug fix or new feature to the project's maintainers in the form of a patch."
|
dongsheng@627
|
13334 msgstr ""
|
dongsheng@627
|
13335
|
dongsheng@627
|
13336 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13337 #: ../en/ch11-mq.xml:32
|
dongsheng@627
|
13338 msgid ""
|
dongsheng@627
|
13339 "Distributors of operating systems that include open source software often "
|
dongsheng@627
|
13340 "need to make changes to the packages they distribute so that they will build "
|
dongsheng@627
|
13341 "properly in their environments."
|
dongsheng@627
|
13342 msgstr ""
|
dongsheng@627
|
13343
|
dongsheng@627
|
13344 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13345 #: ../en/ch11-mq.xml:37
|
dongsheng@627
|
13346 msgid ""
|
dongsheng@627
|
13347 "When you have few changes to maintain, it is easy to manage a single patch "
|
dongsheng@627
|
13348 "using the standard <command>diff</command> and <command>patch</command> "
|
songdongsheng@658
|
13349 "programs (see <xref linkend=\"sec:mq:patch\"/> for a discussion of these "
|
songdongsheng@658
|
13350 "tools). Once the number of changes grows, it starts to make sense to maintain "
|
songdongsheng@658
|
13351 "patches as discrete <quote>chunks of work,</quote> so that for example a "
|
songdongsheng@658
|
13352 "single patch will contain only one bug fix (the patch might modify several "
|
songdongsheng@658
|
13353 "files, but it's doing <quote>only one thing</quote>), and you may have a "
|
songdongsheng@658
|
13354 "number of such patches for different bugs you need fixed and local changes "
|
songdongsheng@658
|
13355 "you require. In this situation, if you submit a bug fix patch to the "
|
dongsheng@627
|
13356 "upstream maintainers of a package and they include your fix in a subsequent "
|
dongsheng@627
|
13357 "release, you can simply drop that single patch when you're updating to the "
|
dongsheng@627
|
13358 "newer release."
|
dongsheng@627
|
13359 msgstr ""
|
dongsheng@627
|
13360
|
dongsheng@627
|
13361 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13362 #: ../en/ch11-mq.xml:52
|
dongsheng@627
|
13363 msgid ""
|
dongsheng@627
|
13364 "Maintaining a single patch against an upstream tree is a little tedious and "
|
dongsheng@627
|
13365 "error-prone, but not difficult. However, the complexity of the problem grows "
|
dongsheng@627
|
13366 "rapidly as the number of patches you have to maintain increases. With more "
|
dongsheng@627
|
13367 "than a tiny number of patches in hand, understanding which ones you have "
|
dongsheng@627
|
13368 "applied and maintaining them moves from messy to overwhelming."
|
dongsheng@627
|
13369 msgstr ""
|
dongsheng@627
|
13370
|
dongsheng@627
|
13371 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13372 #: ../en/ch11-mq.xml:59
|
dongsheng@627
|
13373 msgid ""
|
dongsheng@627
|
13374 "Fortunately, Mercurial includes a powerful extension, Mercurial Queues (or "
|
dongsheng@627
|
13375 "simply <quote>MQ</quote>), that massively simplifies the patch management "
|
dongsheng@627
|
13376 "problem."
|
dongsheng@627
|
13377 msgstr ""
|
dongsheng@627
|
13378
|
dongsheng@627
|
13379 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
13380 #: ../en/ch11-mq.xml:65
|
dongsheng@627
|
13381 msgid "The prehistory of Mercurial Queues"
|
dongsheng@636
|
13382 msgstr "MQ 的历史"
|
dongsheng@627
|
13383
|
dongsheng@627
|
13384 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13385 #: ../en/ch11-mq.xml:67
|
dongsheng@627
|
13386 msgid ""
|
dongsheng@627
|
13387 "During the late 1990s, several Linux kernel developers started to maintain "
|
dongsheng@627
|
13388 "<quote>patch series</quote> that modified the behaviour of the Linux kernel. "
|
dongsheng@627
|
13389 "Some of these series were focused on stability, some on feature coverage, and "
|
dongsheng@627
|
13390 "others were more speculative."
|
dongsheng@627
|
13391 msgstr ""
|
dongsheng@627
|
13392
|
dongsheng@627
|
13393 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13394 #: ../en/ch11-mq.xml:73
|
dongsheng@627
|
13395 msgid ""
|
dongsheng@627
|
13396 "The sizes of these patch series grew rapidly. In 2002, Andrew Morton "
|
dongsheng@627
|
13397 "published some shell scripts he had been using to automate the task of "
|
dongsheng@627
|
13398 "managing his patch queues. Andrew was successfully using these scripts to "
|
dongsheng@627
|
13399 "manage hundreds (sometimes thousands) of patches on top of the Linux kernel."
|
dongsheng@627
|
13400 msgstr ""
|
dongsheng@627
|
13401
|
dongsheng@627
|
13402 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13403 #: ../en/ch11-mq.xml:80
|
dongsheng@627
|
13404 msgid "A patchwork quilt"
|
dongsheng@627
|
13405 msgstr ""
|
dongsheng@627
|
13406
|
dongsheng@627
|
13407 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13408 #: ../en/ch11-mq.xml:82
|
dongsheng@627
|
13409 msgid ""
|
dongsheng@627
|
13410 "In early 2003, Andreas Gruenbacher and Martin Quinson borrowed the approach "
|
dongsheng@627
|
13411 "of Andrew's scripts and published a tool called <quote>patchwork quilt</"
|
dongsheng@627
|
13412 "quote> <citation>web:quilt</citation>, or simply <quote>quilt</quote> (see "
|
dongsheng@627
|
13413 "<citation>gruenbacher:2005</citation> for a paper describing it). Because "
|
dongsheng@627
|
13414 "quilt substantially automated patch management, it rapidly gained a large "
|
dongsheng@627
|
13415 "following among open source software developers."
|
dongsheng@627
|
13416 msgstr ""
|
dongsheng@627
|
13417
|
dongsheng@627
|
13418 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13419 #: ../en/ch11-mq.xml:91
|
dongsheng@627
|
13420 msgid ""
|
dongsheng@627
|
13421 "Quilt manages a <emphasis>stack of patches</emphasis> on top of a directory "
|
dongsheng@627
|
13422 "tree. To begin, you tell quilt to manage a directory tree, and tell it which "
|
dongsheng@627
|
13423 "files you want to manage; it stores away the names and contents of those "
|
dongsheng@627
|
13424 "files. To fix a bug, you create a new patch (using a single command), edit "
|
dongsheng@627
|
13425 "the files you need to fix, then <quote>refresh</quote> the patch."
|
dongsheng@627
|
13426 msgstr ""
|
dongsheng@627
|
13427
|
dongsheng@627
|
13428 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13429 #: ../en/ch11-mq.xml:99
|
dongsheng@627
|
13430 msgid ""
|
dongsheng@627
|
13431 "The refresh step causes quilt to scan the directory tree; it updates the "
|
dongsheng@627
|
13432 "patch with all of the changes you have made. You can create another patch on "
|
dongsheng@627
|
13433 "top of the first, which will track the changes required to modify the tree "
|
dongsheng@627
|
13434 "from <quote>tree with one patch applied</quote> to <quote>tree with two "
|
dongsheng@627
|
13435 "patches applied</quote>."
|
dongsheng@627
|
13436 msgstr ""
|
dongsheng@627
|
13437
|
dongsheng@627
|
13438 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13439 #: ../en/ch11-mq.xml:106
|
dongsheng@627
|
13440 msgid ""
|
dongsheng@627
|
13441 "You can <emphasis>change</emphasis> which patches are applied to the tree. "
|
dongsheng@627
|
13442 "If you <quote>pop</quote> a patch, the changes made by that patch will vanish "
|
dongsheng@627
|
13443 "from the directory tree. Quilt remembers which patches you have popped, "
|
dongsheng@627
|
13444 "though, so you can <quote>push</quote> a popped patch again, and the "
|
dongsheng@627
|
13445 "directory tree will be restored to contain the modifications in the patch. "
|
dongsheng@627
|
13446 "Most importantly, you can run the <quote>refresh</quote> command at any time, "
|
dongsheng@627
|
13447 "and the topmost applied patch will be updated. This means that you can, at "
|
dongsheng@627
|
13448 "any time, change both which patches are applied and what modifications those "
|
dongsheng@627
|
13449 "patches make."
|
dongsheng@627
|
13450 msgstr ""
|
dongsheng@627
|
13451
|
dongsheng@627
|
13452 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13453 #: ../en/ch11-mq.xml:118
|
dongsheng@627
|
13454 msgid ""
|
dongsheng@627
|
13455 "Quilt knows nothing about revision control tools, so it works equally well on "
|
dongsheng@627
|
13456 "top of an unpacked tarball or a Subversion working copy."
|
dongsheng@627
|
13457 msgstr ""
|
dongsheng@627
|
13458
|
dongsheng@627
|
13459 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13460 #: ../en/ch11-mq.xml:124
|
dongsheng@627
|
13461 msgid "From patchwork quilt to Mercurial Queues"
|
dongsheng@636
|
13462 msgstr "从 patchwork quilt 到 MQ"
|
dongsheng@627
|
13463
|
dongsheng@627
|
13464 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13465 #: ../en/ch11-mq.xml:126
|
dongsheng@627
|
13466 msgid ""
|
dongsheng@627
|
13467 "In mid-2005, Chris Mason took the features of quilt and wrote an extension "
|
dongsheng@627
|
13468 "that he called Mercurial Queues, which added quilt-like behaviour to "
|
dongsheng@627
|
13469 "Mercurial."
|
dongsheng@627
|
13470 msgstr ""
|
dongsheng@627
|
13471
|
dongsheng@627
|
13472 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13473 #: ../en/ch11-mq.xml:130
|
dongsheng@627
|
13474 msgid ""
|
dongsheng@627
|
13475 "The key difference between quilt and MQ is that quilt knows nothing about "
|
dongsheng@627
|
13476 "revision control systems, while MQ is <emphasis>integrated</emphasis> into "
|
dongsheng@627
|
13477 "Mercurial. Each patch that you push is represented as a Mercurial "
|
dongsheng@627
|
13478 "changeset. Pop a patch, and the changeset goes away."
|
dongsheng@627
|
13479 msgstr ""
|
dongsheng@627
|
13480
|
dongsheng@627
|
13481 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13482 #: ../en/ch11-mq.xml:136
|
dongsheng@627
|
13483 msgid ""
|
dongsheng@627
|
13484 "Because quilt does not care about revision control tools, it is still a "
|
dongsheng@627
|
13485 "tremendously useful piece of software to know about for situations where you "
|
dongsheng@627
|
13486 "cannot use Mercurial and MQ."
|
dongsheng@627
|
13487 msgstr ""
|
dongsheng@627
|
13488
|
dongsheng@627
|
13489 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
13490 #: ../en/ch11-mq.xml:144
|
dongsheng@627
|
13491 msgid "The huge advantage of MQ"
|
dongsheng@636
|
13492 msgstr "MQ 的巨大优势"
|
dongsheng@627
|
13493
|
dongsheng@627
|
13494 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13495 #: ../en/ch11-mq.xml:146
|
dongsheng@627
|
13496 msgid ""
|
dongsheng@627
|
13497 "I cannot overstate the value that MQ offers through the unification of "
|
dongsheng@627
|
13498 "patches and revision control."
|
dongsheng@627
|
13499 msgstr ""
|
dongsheng@627
|
13500
|
dongsheng@627
|
13501 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13502 #: ../en/ch11-mq.xml:149
|
dongsheng@627
|
13503 msgid ""
|
dongsheng@627
|
13504 "A major reason that patches have persisted in the free software and open "
|
songdongsheng@668
|
13505 "source world&emdash;in spite of the availability of increasingly capable "
|
songdongsheng@668
|
13506 "revision control tools over the years&emdash;is the <emphasis>agility</"
|
songdongsheng@668
|
13507 "emphasis> they offer."
|
dongsheng@627
|
13508 msgstr ""
|
dongsheng@627
|
13509
|
dongsheng@627
|
13510 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13511 #: ../en/ch11-mq.xml:155
|
dongsheng@627
|
13512 msgid ""
|
dongsheng@627
|
13513 "Traditional revision control tools make a permanent, irreversible record of "
|
dongsheng@627
|
13514 "everything that you do. While this has great value, it's also somewhat "
|
dongsheng@627
|
13515 "stifling. If you want to perform a wild-eyed experiment, you have to be "
|
songdongsheng@668
|
13516 "careful in how you go about it, or you risk leaving unneeded&emdash;or worse, "
|
songdongsheng@668
|
13517 "misleading or destabilising&emdash;traces of your missteps and errors in the "
|
dongsheng@627
|
13518 "permanent revision record."
|
dongsheng@627
|
13519 msgstr ""
|
dongsheng@627
|
13520
|
dongsheng@627
|
13521 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13522 #: ../en/ch11-mq.xml:163
|
dongsheng@627
|
13523 msgid ""
|
dongsheng@627
|
13524 "By contrast, MQ's marriage of distributed revision control with patches makes "
|
dongsheng@627
|
13525 "it much easier to isolate your work. Your patches live on top of normal "
|
dongsheng@627
|
13526 "revision history, and you can make them disappear or reappear at will. If "
|
dongsheng@627
|
13527 "you don't like a patch, you can drop it. If a patch isn't quite as you want "
|
songdongsheng@668
|
13528 "it to be, simply fix it&emdash;as many times as you need to, until you have "
|
songdongsheng@668
|
13529 "refined it into the form you desire."
|
dongsheng@627
|
13530 msgstr ""
|
dongsheng@627
|
13531
|
dongsheng@627
|
13532 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13533 #: ../en/ch11-mq.xml:171
|
dongsheng@627
|
13534 msgid ""
|
dongsheng@627
|
13535 "As an example, the integration of patches with revision control makes "
|
songdongsheng@668
|
13536 "understanding patches and debugging their effects&emdash;and their interplay "
|
songdongsheng@668
|
13537 "with the code they're based on&emdash;<emphasis>enormously</emphasis> easier. "
|
songdongsheng@668
|
13538 "Since every applied patch has an associated changeset, you can give <command "
|
songdongsheng@668
|
13539 "role=\"hg-cmd\">hg log</command> a file name to see which changesets and "
|
songdongsheng@668
|
13540 "patches affected the file. You can use the <command role=\"hg-cmd\">hg "
|
songdongsheng@668
|
13541 "bisect</command> command to binary-search through all changesets and applied "
|
songdongsheng@668
|
13542 "patches to see where a bug got introduced or fixed. You can use the <command "
|
songdongsheng@668
|
13543 "role=\"hg-cmd\">hg annotate</command> command to see which changeset or patch "
|
songdongsheng@668
|
13544 "modified a particular line of a source file. And so on."
|
dongsheng@627
|
13545 msgstr ""
|
dongsheng@627
|
13546
|
dongsheng@627
|
13547 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13548 #: ../en/ch11-mq.xml:189
|
dongsheng@627
|
13549 msgid ""
|
dongsheng@627
|
13550 "Because MQ doesn't hide its patch-oriented nature, it is helpful to "
|
dongsheng@627
|
13551 "understand what patches are, and a little about the tools that work with them."
|
dongsheng@627
|
13552 msgstr ""
|
dongsheng@627
|
13553
|
dongsheng@627
|
13554 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13555 #: ../en/ch11-mq.xml:193
|
dongsheng@627
|
13556 msgid ""
|
dongsheng@627
|
13557 "The traditional Unix <command>diff</command> command compares two files, and "
|
dongsheng@627
|
13558 "prints a list of differences between them. The <command>patch</command> "
|
dongsheng@627
|
13559 "command understands these differences as <emphasis>modifications</emphasis> "
|
dongsheng@627
|
13560 "to make to a file. Take a look below for a simple example of these commands "
|
dongsheng@627
|
13561 "in action."
|
dongsheng@627
|
13562 msgstr ""
|
dongsheng@627
|
13563
|
dongsheng@627
|
13564 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13565 #: ../en/ch11-mq.xml:202
|
dongsheng@627
|
13566 msgid ""
|
dongsheng@627
|
13567 "The type of file that <command>diff</command> generates (and <command>patch</"
|
dongsheng@627
|
13568 "command> takes as input) is called a <quote>patch</quote> or a <quote>diff</"
|
dongsheng@627
|
13569 "quote>; there is no difference between a patch and a diff. (We'll use the "
|
dongsheng@627
|
13570 "term <quote>patch</quote>, since it's more commonly used.)"
|
dongsheng@627
|
13571 msgstr ""
|
dongsheng@627
|
13572
|
dongsheng@627
|
13573 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13574 #: ../en/ch11-mq.xml:208
|
dongsheng@627
|
13575 msgid ""
|
dongsheng@627
|
13576 "A patch file can start with arbitrary text; the <command>patch</command> "
|
dongsheng@627
|
13577 "command ignores this text, but MQ uses it as the commit message when creating "
|
dongsheng@627
|
13578 "changesets. To find the beginning of the patch content, <command>patch</"
|
dongsheng@627
|
13579 "command> searches for the first line that starts with the string "
|
dongsheng@627
|
13580 "<quote><literal>diff -</literal></quote>."
|
dongsheng@627
|
13581 msgstr ""
|
dongsheng@627
|
13582
|
dongsheng@627
|
13583 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13584 #: ../en/ch11-mq.xml:215
|
dongsheng@627
|
13585 msgid ""
|
dongsheng@627
|
13586 "MQ works with <emphasis>unified</emphasis> diffs (<command>patch</command> "
|
dongsheng@627
|
13587 "can accept several other diff formats, but MQ doesn't). A unified diff "
|
dongsheng@627
|
13588 "contains two kinds of header. The <emphasis>file header</emphasis> describes "
|
dongsheng@627
|
13589 "the file being modified; it contains the name of the file to modify. When "
|
dongsheng@627
|
13590 "<command>patch</command> sees a new file header, it looks for a file with "
|
dongsheng@627
|
13591 "that name to start modifying."
|
dongsheng@627
|
13592 msgstr ""
|
dongsheng@627
|
13593
|
dongsheng@627
|
13594 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13595 #: ../en/ch11-mq.xml:223
|
dongsheng@627
|
13596 msgid ""
|
dongsheng@627
|
13597 "After the file header comes a series of <emphasis>hunks</emphasis>. Each "
|
dongsheng@627
|
13598 "hunk starts with a header; this identifies the range of line numbers within "
|
dongsheng@627
|
13599 "the file that the hunk should modify. Following the header, a hunk starts "
|
dongsheng@627
|
13600 "and ends with a few (usually three) lines of text from the unmodified file; "
|
dongsheng@627
|
13601 "these are called the <emphasis>context</emphasis> for the hunk. If there's "
|
dongsheng@627
|
13602 "only a small amount of context between successive hunks, <command>diff</"
|
dongsheng@627
|
13603 "command> doesn't print a new hunk header; it just runs the hunks together, "
|
dongsheng@627
|
13604 "with a few lines of context between modifications."
|
dongsheng@627
|
13605 msgstr ""
|
dongsheng@627
|
13606
|
dongsheng@627
|
13607 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13608 #: ../en/ch11-mq.xml:235
|
dongsheng@627
|
13609 msgid ""
|
dongsheng@627
|
13610 "Each line of context begins with a space character. Within the hunk, a line "
|
dongsheng@627
|
13611 "that begins with <quote><literal>-</literal></quote> means <quote>remove this "
|
dongsheng@627
|
13612 "line,</quote> while a line that begins with <quote><literal>+</literal></"
|
dongsheng@627
|
13613 "quote> means <quote>insert this line.</quote> For example, a line that is "
|
dongsheng@627
|
13614 "modified is represented by one deletion and one insertion."
|
dongsheng@627
|
13615 msgstr ""
|
dongsheng@627
|
13616
|
dongsheng@627
|
13617 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13618 #: ../en/ch11-mq.xml:243
|
dongsheng@627
|
13619 msgid ""
|
songdongsheng@658
|
13620 "We will return to some of the more subtle aspects of patches later (in <xref "
|
songdongsheng@658
|
13621 "linkend=\"sec:mq:adv-patch\"/>), but you should have enough information now "
|
songdongsheng@658
|
13622 "to use MQ."
|
dongsheng@627
|
13623 msgstr ""
|
dongsheng@627
|
13624
|
dongsheng@627
|
13625 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
13626 #: ../en/ch11-mq.xml:250
|
dongsheng@627
|
13627 msgid "Getting started with Mercurial Queues"
|
dongsheng@636
|
13628 msgstr "开始使用 MQ"
|
dongsheng@627
|
13629
|
dongsheng@627
|
13630 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13631 #: ../en/ch11-mq.xml:252
|
dongsheng@627
|
13632 msgid ""
|
dongsheng@627
|
13633 "Because MQ is implemented as an extension, you must explicitly enable before "
|
dongsheng@627
|
13634 "you can use it. (You don't need to download anything; MQ ships with the "
|
dongsheng@627
|
13635 "standard Mercurial distribution.) To enable MQ, edit your <filename role="
|
dongsheng@627
|
13636 "\"home\">~/.hgrc</filename> file, and add the lines below."
|
dongsheng@627
|
13637 msgstr ""
|
dongsheng@627
|
13638
|
dongsheng@627
|
13639 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13640 #: ../en/ch11-mq.xml:262
|
dongsheng@627
|
13641 msgid ""
|
dongsheng@627
|
13642 "Once the extension is enabled, it will make a number of new commands "
|
dongsheng@627
|
13643 "available. To verify that the extension is working, you can use <command "
|
dongsheng@627
|
13644 "role=\"hg-cmd\">hg help</command> to see if the <command role=\"hg-ext-mq"
|
dongsheng@627
|
13645 "\">qinit</command> command is now available."
|
dongsheng@627
|
13646 msgstr ""
|
dongsheng@627
|
13647
|
dongsheng@627
|
13648 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13649 #: ../en/ch11-mq.xml:270
|
dongsheng@627
|
13650 msgid ""
|
dongsheng@627
|
13651 "You can use MQ with <emphasis>any</emphasis> Mercurial repository, and its "
|
dongsheng@627
|
13652 "commands only operate within that repository. To get started, simply prepare "
|
dongsheng@627
|
13653 "the repository using the <command role=\"hg-ext-mq\">qinit</command> command."
|
dongsheng@627
|
13654 msgstr ""
|
dongsheng@627
|
13655
|
dongsheng@627
|
13656 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
13657 #: ../en/ch11-mq.xml:277
|
dongsheng@627
|
13658 msgid ""
|
dongsheng@627
|
13659 "This command creates an empty directory called <filename role=\"special\" "
|
dongsheng@627
|
13660 "class=\"directory\">.hg/patches</filename>, where MQ will keep its metadata. "
|
dongsheng@627
|
13661 "As with many Mercurial commands, the <command role=\"hg-ext-mq\">qinit</"
|
dongsheng@627
|
13662 "command> command prints nothing if it succeeds."
|
dongsheng@627
|
13663 msgstr ""
|
dongsheng@627
|
13664
|
dongsheng@627
|
13665 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13666 #: ../en/ch11-mq.xml:284
|
dongsheng@627
|
13667 msgid "Creating a new patch"
|
dongsheng@636
|
13668 msgstr "创建新补丁"
|
dongsheng@627
|
13669
|
dongsheng@627
|
13670 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13671 #: ../en/ch11-mq.xml:286
|
dongsheng@627
|
13672 msgid ""
|
dongsheng@627
|
13673 "To begin work on a new patch, use the <command role=\"hg-ext-mq\">qnew</"
|
dongsheng@627
|
13674 "command> command. This command takes one argument, the name of the patch to "
|
dongsheng@627
|
13675 "create."
|
dongsheng@627
|
13676 msgstr ""
|
dongsheng@627
|
13677
|
dongsheng@627
|
13678 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13679 #: ../en/ch11-mq.xml:290
|
dongsheng@627
|
13680 msgid ""
|
dongsheng@627
|
13681 "MQ will use this as the name of an actual file in the <filename role=\"special"
|
dongsheng@627
|
13682 "\" class=\"directory\">.hg/patches</filename> directory, as you can see below."
|
dongsheng@627
|
13683 msgstr ""
|
dongsheng@627
|
13684
|
dongsheng@627
|
13685 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13686 #: ../en/ch11-mq.xml:297
|
dongsheng@627
|
13687 msgid ""
|
dongsheng@627
|
13688 "Also newly present in the <filename role=\"special\" class=\"directory\">.hg/"
|
dongsheng@627
|
13689 "patches</filename> directory are two other files, <filename role=\"special"
|
dongsheng@627
|
13690 "\">series</filename> and <filename role=\"special\">status</filename>. The "
|
dongsheng@627
|
13691 "<filename role=\"special\">series</filename> file lists all of the patches "
|
dongsheng@627
|
13692 "that MQ knows about for this repository, with one patch per line. Mercurial "
|
dongsheng@627
|
13693 "uses the <filename role=\"special\">status</filename> file for internal book-"
|
dongsheng@627
|
13694 "keeping; it tracks all of the patches that MQ has <emphasis>applied</"
|
dongsheng@627
|
13695 "emphasis> in this repository."
|
dongsheng@627
|
13696 msgstr ""
|
dongsheng@627
|
13697
|
dongsheng@627
|
13698 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
dongsheng@650
|
13699 #: ../en/ch11-mq.xml:309
|
dongsheng@627
|
13700 msgid ""
|
dongsheng@627
|
13701 "You may sometimes want to edit the <filename role=\"special\">series</"
|
dongsheng@627
|
13702 "filename> file by hand; for example, to change the sequence in which some "
|
dongsheng@627
|
13703 "patches are applied. However, manually editing the <filename role=\"special"
|
dongsheng@627
|
13704 "\">status</filename> file is almost always a bad idea, as it's easy to "
|
dongsheng@627
|
13705 "corrupt MQ's idea of what is happening."
|
dongsheng@627
|
13706 msgstr ""
|
dongsheng@627
|
13707
|
dongsheng@627
|
13708 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13709 #: ../en/ch11-mq.xml:318
|
dongsheng@627
|
13710 msgid ""
|
dongsheng@627
|
13711 "Once you have created your new patch, you can edit files in the working "
|
dongsheng@627
|
13712 "directory as you usually would. All of the normal Mercurial commands, such "
|
dongsheng@627
|
13713 "as <command role=\"hg-cmd\">hg diff</command> and <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
13714 "annotate</command>, work exactly as they did before."
|
dongsheng@627
|
13715 msgstr ""
|
dongsheng@627
|
13716
|
dongsheng@627
|
13717 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13718 #: ../en/ch11-mq.xml:326
|
dongsheng@627
|
13719 msgid "Refreshing a patch"
|
dongsheng@636
|
13720 msgstr "刷新补丁"
|
dongsheng@627
|
13721
|
dongsheng@627
|
13722 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13723 #: ../en/ch11-mq.xml:328
|
dongsheng@627
|
13724 msgid ""
|
dongsheng@627
|
13725 "When you reach a point where you want to save your work, use the <command "
|
dongsheng@627
|
13726 "role=\"hg-ext-mq\">qrefresh</command> command to update the patch you are "
|
dongsheng@627
|
13727 "working on."
|
dongsheng@627
|
13728 msgstr ""
|
dongsheng@627
|
13729
|
dongsheng@627
|
13730 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13731 #: ../en/ch11-mq.xml:334
|
dongsheng@627
|
13732 msgid ""
|
dongsheng@627
|
13733 "This command folds the changes you have made in the working directory into "
|
dongsheng@627
|
13734 "your patch, and updates its corresponding changeset to contain those changes."
|
dongsheng@627
|
13735 msgstr ""
|
dongsheng@627
|
13736
|
dongsheng@627
|
13737 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13738 #: ../en/ch11-mq.xml:338
|
dongsheng@627
|
13739 msgid ""
|
dongsheng@627
|
13740 "You can run <command role=\"hg-ext-mq\">qrefresh</command> as often as you "
|
dongsheng@627
|
13741 "like, so it's a good way to <quote>checkpoint</quote> your work. Refresh "
|
dongsheng@627
|
13742 "your patch at an opportune time; try an experiment; and if the experiment "
|
dongsheng@627
|
13743 "doesn't work out, <command role=\"hg-cmd\">hg revert</command> your "
|
dongsheng@627
|
13744 "modifications back to the last time you refreshed."
|
dongsheng@627
|
13745 msgstr ""
|
dongsheng@627
|
13746
|
dongsheng@627
|
13747 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13748 #: ../en/ch11-mq.xml:349
|
dongsheng@627
|
13749 msgid "Stacking and tracking patches"
|
dongsheng@636
|
13750 msgstr "堆叠和跟踪补丁"
|
dongsheng@627
|
13751
|
dongsheng@627
|
13752 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13753 #: ../en/ch11-mq.xml:351
|
dongsheng@627
|
13754 msgid ""
|
dongsheng@627
|
13755 "Once you have finished working on a patch, or need to work on another, you "
|
dongsheng@627
|
13756 "can use the <command role=\"hg-ext-mq\">qnew</command> command again to "
|
dongsheng@627
|
13757 "create a new patch. Mercurial will apply this patch on top of your existing "
|
dongsheng@627
|
13758 "patch."
|
dongsheng@627
|
13759 msgstr ""
|
dongsheng@627
|
13760
|
dongsheng@627
|
13761 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13762 #: ../en/ch11-mq.xml:358
|
dongsheng@627
|
13763 msgid ""
|
dongsheng@627
|
13764 "Notice that the patch contains the changes in our prior patch as part of its "
|
dongsheng@627
|
13765 "context (you can see this more clearly in the output of <command role=\"hg-cmd"
|
dongsheng@627
|
13766 "\">hg annotate</command>)."
|
dongsheng@627
|
13767 msgstr ""
|
dongsheng@627
|
13768
|
dongsheng@627
|
13769 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13770 #: ../en/ch11-mq.xml:363
|
dongsheng@627
|
13771 msgid ""
|
dongsheng@627
|
13772 "So far, with the exception of <command role=\"hg-ext-mq\">qnew</command> and "
|
dongsheng@627
|
13773 "<command role=\"hg-ext-mq\">qrefresh</command>, we've been careful to only "
|
dongsheng@627
|
13774 "use regular Mercurial commands. However, MQ provides many commands that are "
|
dongsheng@627
|
13775 "easier to use when you are thinking about patches, as illustrated below."
|
dongsheng@627
|
13776 msgstr ""
|
dongsheng@627
|
13777
|
dongsheng@627
|
13778 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
13779 #: ../en/ch11-mq.xml:373
|
dongsheng@627
|
13780 msgid ""
|
dongsheng@627
|
13781 "The <command role=\"hg-ext-mq\">qseries</command> command lists every patch "
|
dongsheng@627
|
13782 "that MQ knows about in this repository, from oldest to newest (most recently "
|
dongsheng@627
|
13783 "<emphasis>created</emphasis>)."
|
dongsheng@627
|
13784 msgstr ""
|
dongsheng@627
|
13785
|
dongsheng@627
|
13786 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
13787 #: ../en/ch11-mq.xml:379
|
dongsheng@627
|
13788 msgid ""
|
dongsheng@627
|
13789 "The <command role=\"hg-ext-mq\">qapplied</command> command lists every patch "
|
dongsheng@627
|
13790 "that MQ has <emphasis>applied</emphasis> in this repository, again from "
|
dongsheng@627
|
13791 "oldest to newest (most recently applied)."
|
dongsheng@627
|
13792 msgstr ""
|
dongsheng@627
|
13793
|
dongsheng@627
|
13794 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13795 #: ../en/ch11-mq.xml:388
|
dongsheng@627
|
13796 msgid "Manipulating the patch stack"
|
dongsheng@636
|
13797 msgstr "操作补丁堆栈"
|
dongsheng@627
|
13798
|
dongsheng@627
|
13799 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13800 #: ../en/ch11-mq.xml:390
|
dongsheng@627
|
13801 msgid ""
|
dongsheng@627
|
13802 "The previous discussion implied that there must be a difference between "
|
dongsheng@627
|
13803 "<quote>known</quote> and <quote>applied</quote> patches, and there is. MQ "
|
dongsheng@627
|
13804 "can manage a patch without it being applied in the repository."
|
dongsheng@627
|
13805 msgstr ""
|
dongsheng@627
|
13806
|
dongsheng@627
|
13807 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13808 #: ../en/ch11-mq.xml:395
|
dongsheng@627
|
13809 msgid ""
|
dongsheng@627
|
13810 "An <emphasis>applied</emphasis> patch has a corresponding changeset in the "
|
dongsheng@627
|
13811 "repository, and the effects of the patch and changeset are visible in the "
|
dongsheng@627
|
13812 "working directory. You can undo the application of a patch using the "
|
dongsheng@627
|
13813 "<command role=\"hg-ext-mq\">qpop</command> command. MQ still <emphasis>knows "
|
dongsheng@627
|
13814 "about</emphasis>, or manages, a popped patch, but the patch no longer has a "
|
dongsheng@627
|
13815 "corresponding changeset in the repository, and the working directory does not "
|
songdongsheng@658
|
13816 "contain the changes made by the patch. <xref linkend=\"fig:mq:stack\"/> "
|
songdongsheng@658
|
13817 "illustrates the difference between applied and tracked patches."
|
songdongsheng@658
|
13818 msgstr ""
|
songdongsheng@658
|
13819
|
songdongsheng@658
|
13820 #. type: Content of: <book><chapter><sect1><sect2><figure><title>
|
songdongsheng@658
|
13821 #: ../en/ch11-mq.xml:408
|
songdongsheng@658
|
13822 msgid "Applied and unapplied patches in the MQ patch stack"
|
dongsheng@660
|
13823 msgstr "在 MQ 补丁堆栈中应用和撤销补丁"
|
songdongsheng@658
|
13824
|
songdongsheng@658
|
13825 #. type: Content of: <book><chapter><sect1><sect2><figure><mediaobject>
|
dongsheng@650
|
13826 #: ../en/ch11-mq.xml:411
|
songdongsheng@658
|
13827 msgid "<imageobject><imagedata fileref=\"figs/mq-stack.png\"/></imageobject>"
|
dongsheng@627
|
13828 msgstr ""
|
dongsheng@627
|
13829
|
dongsheng@627
|
13830 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13831 #: ../en/ch11-mq.xml:416
|
dongsheng@627
|
13832 msgid ""
|
dongsheng@627
|
13833 "You can reapply an unapplied, or popped, patch using the <command role=\"hg-"
|
dongsheng@627
|
13834 "ext-mq\">qpush</command> command. This creates a new changeset to correspond "
|
dongsheng@627
|
13835 "to the patch, and the patch's changes once again become present in the "
|
dongsheng@627
|
13836 "working directory. See below for examples of <command role=\"hg-ext-mq"
|
dongsheng@627
|
13837 "\">qpop</command> and <command role=\"hg-ext-mq\">qpush</command> in action."
|
dongsheng@627
|
13838 msgstr ""
|
dongsheng@627
|
13839
|
dongsheng@627
|
13840 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13841 #: ../en/ch11-mq.xml:425
|
dongsheng@627
|
13842 msgid ""
|
dongsheng@627
|
13843 "Notice that once we have popped a patch or two patches, the output of "
|
dongsheng@627
|
13844 "<command role=\"hg-ext-mq\">qseries</command> remains the same, while that of "
|
dongsheng@627
|
13845 "<command role=\"hg-ext-mq\">qapplied</command> has changed."
|
dongsheng@627
|
13846 msgstr ""
|
dongsheng@627
|
13847
|
dongsheng@627
|
13848 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
13849 #: ../en/ch11-mq.xml:433
|
dongsheng@627
|
13850 msgid "Pushing and popping many patches"
|
dongsheng@636
|
13851 msgstr "压入或弹出多个补丁"
|
dongsheng@627
|
13852
|
dongsheng@627
|
13853 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
13854 #: ../en/ch11-mq.xml:435
|
dongsheng@627
|
13855 msgid ""
|
dongsheng@627
|
13856 "While <command role=\"hg-ext-mq\">qpush</command> and <command role=\"hg-ext-"
|
dongsheng@627
|
13857 "mq\">qpop</command> each operate on a single patch at a time by default, you "
|
dongsheng@627
|
13858 "can push and pop many patches in one go. The <option role=\"hg-ext-mq-cmd-"
|
dongsheng@627
|
13859 "qpush-opt\">hg -a</option> option to <command role=\"hg-ext-mq\">qpush</"
|
dongsheng@627
|
13860 "command> causes it to push all unapplied patches, while the <option role=\"hg-"
|
dongsheng@627
|
13861 "ext-mq-cmd-qpop-opt\">-a</option> option to <command role=\"hg-ext-mq\">qpop</"
|
dongsheng@627
|
13862 "command> causes it to pop all applied patches. (For some more ways to push "
|
songdongsheng@658
|
13863 "and pop many patches, see <xref linkend=\"sec:mq:perf\"/> below.)"
|
dongsheng@627
|
13864 msgstr ""
|
dongsheng@627
|
13865
|
dongsheng@627
|
13866 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13867 #: ../en/ch11-mq.xml:451
|
dongsheng@627
|
13868 msgid "Safety checks, and overriding them"
|
dongsheng@636
|
13869 msgstr "安全的检查,然后覆盖它们"
|
dongsheng@627
|
13870
|
dongsheng@627
|
13871 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13872 #: ../en/ch11-mq.xml:453
|
dongsheng@627
|
13873 msgid ""
|
dongsheng@627
|
13874 "Several MQ commands check the working directory before they do anything, and "
|
dongsheng@627
|
13875 "fail if they find any modifications. They do this to ensure that you won't "
|
dongsheng@627
|
13876 "lose any changes that you have made, but not yet incorporated into a patch. "
|
dongsheng@627
|
13877 "The example below illustrates this; the <command role=\"hg-ext-mq\">qnew</"
|
dongsheng@627
|
13878 "command> command will not create a new patch if there are outstanding "
|
dongsheng@627
|
13879 "changes, caused in this case by the <command role=\"hg-cmd\">hg add</command> "
|
dongsheng@627
|
13880 "of <filename>file3</filename>."
|
dongsheng@627
|
13881 msgstr ""
|
dongsheng@627
|
13882
|
dongsheng@627
|
13883 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13884 #: ../en/ch11-mq.xml:465
|
dongsheng@627
|
13885 msgid ""
|
dongsheng@627
|
13886 "Commands that check the working directory all take an <quote>I know what I'm "
|
dongsheng@627
|
13887 "doing</quote> option, which is always named <option>-f</option>. The exact "
|
dongsheng@627
|
13888 "meaning of <option>-f</option> depends on the command. For example, <command "
|
dongsheng@627
|
13889 "role=\"hg-cmd\">hg qnew <option role=\"hg-ext-mq-cmd-qnew-opt\">hg -f</"
|
dongsheng@627
|
13890 "option></command> will incorporate any outstanding changes into the new patch "
|
dongsheng@627
|
13891 "it creates, but <command role=\"hg-cmd\">hg qpop <option role=\"hg-ext-mq-cmd-"
|
dongsheng@627
|
13892 "qpop-opt\">hg -f</option></command> will revert modifications to any files "
|
dongsheng@627
|
13893 "affected by the patch that it is popping. Be sure to read the documentation "
|
dongsheng@627
|
13894 "for a command's <option>-f</option> option before you use it!"
|
dongsheng@627
|
13895 msgstr ""
|
dongsheng@627
|
13896
|
dongsheng@627
|
13897 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13898 #: ../en/ch11-mq.xml:480
|
dongsheng@627
|
13899 msgid "Working on several patches at once"
|
dongsheng@636
|
13900 msgstr "同时处理多个补丁"
|
dongsheng@627
|
13901
|
dongsheng@627
|
13902 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13903 #: ../en/ch11-mq.xml:482
|
dongsheng@627
|
13904 msgid ""
|
dongsheng@627
|
13905 "The <command role=\"hg-ext-mq\">qrefresh</command> command always refreshes "
|
dongsheng@627
|
13906 "the <emphasis>topmost</emphasis> applied patch. This means that you can "
|
dongsheng@627
|
13907 "suspend work on one patch (by refreshing it), pop or push to make a different "
|
dongsheng@627
|
13908 "patch the top, and work on <emphasis>that</emphasis> patch for a while."
|
dongsheng@627
|
13909 msgstr ""
|
dongsheng@627
|
13910
|
dongsheng@627
|
13911 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13912 #: ../en/ch11-mq.xml:489
|
dongsheng@627
|
13913 msgid ""
|
dongsheng@627
|
13914 "Here's an example that illustrates how you can use this ability. Let's say "
|
dongsheng@627
|
13915 "you're developing a new feature as two patches. The first is a change to the "
|
songdongsheng@668
|
13916 "core of your software, and the second&emdash;layered on top of the "
|
songdongsheng@668
|
13917 "first&emdash;changes the user interface to use the code you just added to the "
|
songdongsheng@668
|
13918 "core. If you notice a bug in the core while you're working on the UI patch, "
|
songdongsheng@668
|
13919 "it's easy to fix the core. Simply <command role=\"hg-ext-mq\">qrefresh</"
|
songdongsheng@668
|
13920 "command> the UI patch to save your in-progress changes, and <command role="
|
songdongsheng@668
|
13921 "\"hg-ext-mq\">qpop</command> down to the core patch. Fix the core bug, "
|
songdongsheng@668
|
13922 "<command role=\"hg-ext-mq\">qrefresh</command> the core patch, and <command "
|
songdongsheng@668
|
13923 "role=\"hg-ext-mq\">qpush</command> back to the UI patch to continue where you "
|
songdongsheng@668
|
13924 "left off."
|
dongsheng@627
|
13925 msgstr ""
|
dongsheng@627
|
13926
|
dongsheng@627
|
13927 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
13928 #: ../en/ch11-mq.xml:506
|
dongsheng@627
|
13929 msgid "More about patches"
|
dongsheng@636
|
13930 msgstr "关于补丁的更多信息"
|
dongsheng@627
|
13931
|
dongsheng@627
|
13932 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
13933 #: ../en/ch11-mq.xml:508
|
dongsheng@627
|
13934 msgid ""
|
dongsheng@627
|
13935 "MQ uses the GNU <command>patch</command> command to apply patches, so it's "
|
dongsheng@627
|
13936 "helpful to know a few more detailed aspects of how <command>patch</command> "
|
dongsheng@627
|
13937 "works, and about patches themselves."
|
dongsheng@627
|
13938 msgstr ""
|
dongsheng@627
|
13939
|
dongsheng@627
|
13940 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
13941 #: ../en/ch11-mq.xml:514
|
dongsheng@627
|
13942 msgid "The strip count"
|
dongsheng@636
|
13943 msgstr "修剪计数"
|
dongsheng@627
|
13944
|
dongsheng@627
|
13945 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13946 #: ../en/ch11-mq.xml:516
|
dongsheng@627
|
13947 msgid ""
|
dongsheng@627
|
13948 "If you look at the file headers in a patch, you will notice that the "
|
dongsheng@627
|
13949 "pathnames usually have an extra component on the front that isn't present in "
|
dongsheng@627
|
13950 "the actual path name. This is a holdover from the way that people used to "
|
dongsheng@627
|
13951 "generate patches (people still do this, but it's somewhat rare with modern "
|
dongsheng@627
|
13952 "revision control tools)."
|
dongsheng@627
|
13953 msgstr ""
|
dongsheng@627
|
13954
|
dongsheng@627
|
13955 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13956 #: ../en/ch11-mq.xml:523
|
dongsheng@627
|
13957 msgid ""
|
dongsheng@627
|
13958 "Alice would unpack a tarball, edit her files, then decide that she wanted to "
|
dongsheng@627
|
13959 "create a patch. So she'd rename her working directory, unpack the tarball "
|
dongsheng@627
|
13960 "again (hence the need for the rename), and use the <option role=\"cmd-opt-diff"
|
dongsheng@627
|
13961 "\">-r</option> and <option role=\"cmd-opt-diff\">-N</option> options to "
|
dongsheng@627
|
13962 "<command>diff</command> to recursively generate a patch between the "
|
dongsheng@627
|
13963 "unmodified directory and the modified one. The result would be that the name "
|
dongsheng@627
|
13964 "of the unmodified directory would be at the front of the left-hand path in "
|
dongsheng@627
|
13965 "every file header, and the name of the modified directory would be at the "
|
dongsheng@627
|
13966 "front of the right-hand path."
|
dongsheng@627
|
13967 msgstr ""
|
dongsheng@627
|
13968
|
dongsheng@627
|
13969 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13970 #: ../en/ch11-mq.xml:536
|
dongsheng@627
|
13971 msgid ""
|
dongsheng@627
|
13972 "Since someone receiving a patch from the Alices of the net would be unlikely "
|
dongsheng@627
|
13973 "to have unmodified and modified directories with exactly the same names, the "
|
dongsheng@627
|
13974 "<command>patch</command> command has a <option role=\"cmd-opt-patch\">-p</"
|
dongsheng@627
|
13975 "option> option that indicates the number of leading path name components to "
|
dongsheng@627
|
13976 "strip when trying to apply a patch. This number is called the "
|
dongsheng@627
|
13977 "<emphasis>strip count</emphasis>."
|
dongsheng@627
|
13978 msgstr ""
|
dongsheng@627
|
13979
|
dongsheng@627
|
13980 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13981 #: ../en/ch11-mq.xml:544
|
dongsheng@627
|
13982 msgid ""
|
dongsheng@627
|
13983 "An option of <quote><literal>-p1</literal></quote> means <quote>use a strip "
|
dongsheng@627
|
13984 "count of one</quote>. If <command>patch</command> sees a file name "
|
dongsheng@627
|
13985 "<filename>foo/bar/baz</filename> in a file header, it will strip "
|
dongsheng@627
|
13986 "<filename>foo</filename> and try to patch a file named <filename>bar/baz</"
|
dongsheng@627
|
13987 "filename>. (Strictly speaking, the strip count refers to the number of "
|
dongsheng@627
|
13988 "<emphasis>path separators</emphasis> (and the components that go with them ) "
|
dongsheng@627
|
13989 "to strip. A strip count of one will turn <filename>foo/bar</filename> into "
|
dongsheng@627
|
13990 "<filename>bar</filename>, but <filename>/foo/bar</filename> (notice the extra "
|
dongsheng@627
|
13991 "leading slash) into <filename>foo/bar</filename>.)"
|
dongsheng@627
|
13992 msgstr ""
|
dongsheng@627
|
13993
|
dongsheng@627
|
13994 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
13995 #: ../en/ch11-mq.xml:557
|
dongsheng@627
|
13996 msgid ""
|
dongsheng@627
|
13997 "The <quote>standard</quote> strip count for patches is one; almost all "
|
dongsheng@627
|
13998 "patches contain one leading path name component that needs to be stripped. "
|
dongsheng@627
|
13999 "Mercurial's <command role=\"hg-cmd\">hg diff</command> command generates path "
|
dongsheng@627
|
14000 "names in this form, and the <command role=\"hg-cmd\">hg import</command> "
|
dongsheng@627
|
14001 "command and MQ expect patches to have a strip count of one."
|
dongsheng@627
|
14002 msgstr ""
|
dongsheng@627
|
14003
|
dongsheng@627
|
14004 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14005 #: ../en/ch11-mq.xml:565
|
dongsheng@627
|
14006 msgid ""
|
dongsheng@627
|
14007 "If you receive a patch from someone that you want to add to your patch queue, "
|
dongsheng@627
|
14008 "and the patch needs a strip count other than one, you cannot just <command "
|
dongsheng@627
|
14009 "role=\"hg-ext-mq\">qimport</command> the patch, because <command role=\"hg-"
|
dongsheng@627
|
14010 "ext-mq\">qimport</command> does not yet have a <literal>-p</literal> option "
|
dongsheng@627
|
14011 "(see <ulink role=\"hg-bug\" url=\"http://www.selenic.com/mercurial/bts/"
|
dongsheng@627
|
14012 "issue311\">issue 311</ulink>). Your best bet is to <command role=\"hg-ext-mq"
|
dongsheng@627
|
14013 "\">qnew</command> a patch of your own, then use <command>patch -pN</command> "
|
dongsheng@627
|
14014 "to apply their patch, followed by <command role=\"hg-cmd\">hg addremove</"
|
dongsheng@627
|
14015 "command> to pick up any files added or removed by the patch, followed by "
|
dongsheng@627
|
14016 "<command role=\"hg-ext-mq\">hg qrefresh</command>. This complexity may become "
|
dongsheng@627
|
14017 "unnecessary; see <ulink role=\"hg-bug\" url=\"http://www.selenic.com/"
|
dongsheng@627
|
14018 "mercurial/bts/issue311\">issue 311</ulink> for details."
|
dongsheng@627
|
14019 msgstr ""
|
dongsheng@627
|
14020
|
dongsheng@627
|
14021 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14022 #: ../en/ch11-mq.xml:584
|
dongsheng@627
|
14023 msgid "Strategies for applying a patch"
|
dongsheng@636
|
14024 msgstr "应用补丁的策略"
|
dongsheng@627
|
14025
|
dongsheng@627
|
14026 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14027 #: ../en/ch11-mq.xml:586
|
dongsheng@627
|
14028 msgid ""
|
dongsheng@627
|
14029 "When <command>patch</command> applies a hunk, it tries a handful of "
|
dongsheng@627
|
14030 "successively less accurate strategies to try to make the hunk apply. This "
|
dongsheng@627
|
14031 "falling-back technique often makes it possible to take a patch that was "
|
dongsheng@627
|
14032 "generated against an old version of a file, and apply it against a newer "
|
dongsheng@627
|
14033 "version of that file."
|
dongsheng@627
|
14034 msgstr ""
|
dongsheng@627
|
14035
|
dongsheng@627
|
14036 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14037 #: ../en/ch11-mq.xml:593
|
dongsheng@627
|
14038 msgid ""
|
dongsheng@627
|
14039 "First, <command>patch</command> tries an exact match, where the line numbers, "
|
dongsheng@627
|
14040 "the context, and the text to be modified must apply exactly. If it cannot "
|
dongsheng@627
|
14041 "make an exact match, it tries to find an exact match for the context, without "
|
dongsheng@627
|
14042 "honouring the line numbering information. If this succeeds, it prints a line "
|
dongsheng@627
|
14043 "of output saying that the hunk was applied, but at some <emphasis>offset</"
|
dongsheng@627
|
14044 "emphasis> from the original line number."
|
dongsheng@627
|
14045 msgstr ""
|
dongsheng@627
|
14046
|
dongsheng@627
|
14047 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14048 #: ../en/ch11-mq.xml:602
|
dongsheng@627
|
14049 msgid ""
|
dongsheng@627
|
14050 "If a context-only match fails, <command>patch</command> removes the first and "
|
dongsheng@627
|
14051 "last lines of the context, and tries a <emphasis>reduced</emphasis> context-"
|
dongsheng@627
|
14052 "only match. If the hunk with reduced context succeeds, it prints a message "
|
dongsheng@627
|
14053 "saying that it applied the hunk with a <emphasis>fuzz factor</emphasis> (the "
|
dongsheng@627
|
14054 "number after the fuzz factor indicates how many lines of context "
|
dongsheng@627
|
14055 "<command>patch</command> had to trim before the patch applied)."
|
dongsheng@627
|
14056 msgstr ""
|
dongsheng@627
|
14057
|
dongsheng@627
|
14058 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14059 #: ../en/ch11-mq.xml:611
|
dongsheng@627
|
14060 msgid ""
|
dongsheng@627
|
14061 "When neither of these techniques works, <command>patch</command> prints a "
|
dongsheng@627
|
14062 "message saying that the hunk in question was rejected. It saves rejected "
|
dongsheng@627
|
14063 "hunks (also simply called <quote>rejects</quote>) to a file with the same "
|
dongsheng@627
|
14064 "name, and an added <filename role=\"special\">.rej</filename> extension. It "
|
dongsheng@627
|
14065 "also saves an unmodified copy of the file with a <filename role=\"special\">."
|
dongsheng@627
|
14066 "orig</filename> extension; the copy of the file without any extensions will "
|
dongsheng@627
|
14067 "contain any changes made by hunks that <emphasis>did</emphasis> apply "
|
dongsheng@627
|
14068 "cleanly. If you have a patch that modifies <filename>foo</filename> with six "
|
dongsheng@627
|
14069 "hunks, and one of them fails to apply, you will have: an unmodified "
|
dongsheng@627
|
14070 "<filename>foo.orig</filename>, a <filename>foo.rej</filename> containing one "
|
dongsheng@627
|
14071 "hunk, and <filename>foo</filename>, containing the changes made by the five "
|
dongsheng@627
|
14072 "successful hunks."
|
dongsheng@627
|
14073 msgstr ""
|
dongsheng@627
|
14074
|
dongsheng@627
|
14075 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14076 #: ../en/ch11-mq.xml:629
|
dongsheng@627
|
14077 msgid "Some quirks of patch representation"
|
dongsheng@636
|
14078 msgstr "补丁的一些特性"
|
dongsheng@627
|
14079
|
dongsheng@627
|
14080 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14081 #: ../en/ch11-mq.xml:631
|
dongsheng@627
|
14082 msgid ""
|
dongsheng@627
|
14083 "There are a few useful things to know about how <command>patch</command> "
|
dongsheng@627
|
14084 "works with files."
|
dongsheng@627
|
14085 msgstr ""
|
dongsheng@627
|
14086
|
dongsheng@627
|
14087 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14088 #: ../en/ch11-mq.xml:634
|
dongsheng@627
|
14089 msgid ""
|
dongsheng@627
|
14090 "This should already be obvious, but <command>patch</command> cannot handle "
|
dongsheng@627
|
14091 "binary files."
|
dongsheng@627
|
14092 msgstr ""
|
dongsheng@627
|
14093
|
dongsheng@627
|
14094 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14095 #: ../en/ch11-mq.xml:638
|
dongsheng@627
|
14096 msgid ""
|
dongsheng@627
|
14097 "Neither does it care about the executable bit; it creates new files as "
|
dongsheng@627
|
14098 "readable, but not executable."
|
dongsheng@627
|
14099 msgstr ""
|
dongsheng@627
|
14100
|
dongsheng@627
|
14101 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14102 #: ../en/ch11-mq.xml:642
|
dongsheng@627
|
14103 msgid ""
|
dongsheng@627
|
14104 "<command>patch</command> treats the removal of a file as a diff between the "
|
dongsheng@627
|
14105 "file to be removed and the empty file. So your idea of <quote>I deleted this "
|
dongsheng@627
|
14106 "file</quote> looks like <quote>every line of this file was deleted</quote> in "
|
dongsheng@627
|
14107 "a patch."
|
dongsheng@627
|
14108 msgstr ""
|
dongsheng@627
|
14109
|
dongsheng@627
|
14110 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14111 #: ../en/ch11-mq.xml:648
|
dongsheng@627
|
14112 msgid ""
|
dongsheng@627
|
14113 "It treats the addition of a file as a diff between the empty file and the "
|
dongsheng@627
|
14114 "file to be added. So in a patch, your idea of <quote>I added this file</"
|
dongsheng@627
|
14115 "quote> looks like <quote>every line of this file was added</quote>."
|
dongsheng@627
|
14116 msgstr ""
|
dongsheng@627
|
14117
|
dongsheng@627
|
14118 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14119 #: ../en/ch11-mq.xml:654
|
dongsheng@627
|
14120 msgid ""
|
dongsheng@627
|
14121 "It treats a renamed file as the removal of the old name, and the addition of "
|
dongsheng@627
|
14122 "the new name. This means that renamed files have a big footprint in "
|
dongsheng@627
|
14123 "patches. (Note also that Mercurial does not currently try to infer when "
|
dongsheng@627
|
14124 "files have been renamed or copied in a patch.)"
|
dongsheng@627
|
14125 msgstr ""
|
dongsheng@627
|
14126
|
dongsheng@627
|
14127 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14128 #: ../en/ch11-mq.xml:660
|
dongsheng@627
|
14129 msgid ""
|
dongsheng@627
|
14130 "<command>patch</command> cannot represent empty files, so you cannot use a "
|
dongsheng@627
|
14131 "patch to represent the notion <quote>I added this empty file to the tree</"
|
dongsheng@627
|
14132 "quote>."
|
dongsheng@627
|
14133 msgstr ""
|
dongsheng@627
|
14134
|
dongsheng@627
|
14135 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14136 #: ../en/ch11-mq.xml:667
|
dongsheng@627
|
14137 msgid "Beware the fuzz"
|
dongsheng@636
|
14138 msgstr "当心毛刺"
|
dongsheng@627
|
14139
|
dongsheng@627
|
14140 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14141 #: ../en/ch11-mq.xml:669
|
dongsheng@627
|
14142 msgid ""
|
dongsheng@627
|
14143 "While applying a hunk at an offset, or with a fuzz factor, will often be "
|
dongsheng@627
|
14144 "completely successful, these inexact techniques naturally leave open the "
|
dongsheng@627
|
14145 "possibility of corrupting the patched file. The most common cases typically "
|
dongsheng@627
|
14146 "involve applying a patch twice, or at an incorrect location in the file. If "
|
dongsheng@627
|
14147 "<command>patch</command> or <command role=\"hg-ext-mq\">qpush</command> ever "
|
dongsheng@627
|
14148 "mentions an offset or fuzz factor, you should make sure that the modified "
|
dongsheng@627
|
14149 "files are correct afterwards."
|
dongsheng@627
|
14150 msgstr ""
|
dongsheng@627
|
14151
|
dongsheng@627
|
14152 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14153 #: ../en/ch11-mq.xml:679
|
dongsheng@627
|
14154 msgid ""
|
dongsheng@627
|
14155 "It's often a good idea to refresh a patch that has applied with an offset or "
|
dongsheng@627
|
14156 "fuzz factor; refreshing the patch generates new context information that will "
|
dongsheng@627
|
14157 "make it apply cleanly. I say <quote>often,</quote> not <quote>always,</"
|
dongsheng@627
|
14158 "quote> because sometimes refreshing a patch will make it fail to apply "
|
dongsheng@627
|
14159 "against a different revision of the underlying files. In some cases, such as "
|
dongsheng@627
|
14160 "when you're maintaining a patch that must sit on top of multiple versions of "
|
dongsheng@627
|
14161 "a source tree, it's acceptable to have a patch apply with some fuzz, provided "
|
dongsheng@627
|
14162 "you've verified the results of the patching process in such cases."
|
dongsheng@627
|
14163 msgstr ""
|
dongsheng@627
|
14164
|
dongsheng@627
|
14165 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14166 #: ../en/ch11-mq.xml:692
|
dongsheng@627
|
14167 msgid "Handling rejection"
|
dongsheng@636
|
14168 msgstr "处理拒绝"
|
dongsheng@627
|
14169
|
dongsheng@627
|
14170 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14171 #: ../en/ch11-mq.xml:694
|
dongsheng@627
|
14172 msgid ""
|
dongsheng@627
|
14173 "If <command role=\"hg-ext-mq\">qpush</command> fails to apply a patch, it "
|
dongsheng@627
|
14174 "will print an error message and exit. If it has left <filename role=\"special"
|
dongsheng@627
|
14175 "\">.rej</filename> files behind, it is usually best to fix up the rejected "
|
dongsheng@627
|
14176 "hunks before you push more patches or do any further work."
|
dongsheng@627
|
14177 msgstr ""
|
dongsheng@627
|
14178
|
dongsheng@627
|
14179 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14180 #: ../en/ch11-mq.xml:700
|
dongsheng@627
|
14181 msgid ""
|
dongsheng@627
|
14182 "If your patch <emphasis>used to</emphasis> apply cleanly, and no longer does "
|
dongsheng@627
|
14183 "because you've changed the underlying code that your patches are based on, "
|
songdongsheng@658
|
14184 "Mercurial Queues can help; see <xref linkend=\"sec:mq:merge\"/> for details."
|
songdongsheng@658
|
14185 msgstr ""
|
songdongsheng@658
|
14186
|
songdongsheng@658
|
14187 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14188 #: ../en/ch11-mq.xml:705
|
dongsheng@627
|
14189 msgid ""
|
dongsheng@627
|
14190 "Unfortunately, there aren't any great techniques for dealing with rejected "
|
dongsheng@627
|
14191 "hunks. Most often, you'll need to view the <filename role=\"special\">.rej</"
|
dongsheng@627
|
14192 "filename> file and edit the target file, applying the rejected hunks by hand."
|
dongsheng@627
|
14193 msgstr ""
|
dongsheng@627
|
14194
|
dongsheng@627
|
14195 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14196 #: ../en/ch11-mq.xml:710
|
dongsheng@627
|
14197 msgid ""
|
dongsheng@627
|
14198 "If you're feeling adventurous, Neil Brown, a Linux kernel hacker, wrote a "
|
dongsheng@627
|
14199 "tool called <command>wiggle</command> <citation>web:wiggle</citation>, which "
|
dongsheng@627
|
14200 "is more vigorous than <command>patch</command> in its attempts to make a "
|
dongsheng@627
|
14201 "patch apply."
|
dongsheng@627
|
14202 msgstr ""
|
dongsheng@627
|
14203
|
dongsheng@627
|
14204 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14205 #: ../en/ch11-mq.xml:716
|
dongsheng@627
|
14206 msgid ""
|
dongsheng@627
|
14207 "Another Linux kernel hacker, Chris Mason (the author of Mercurial Queues), "
|
dongsheng@627
|
14208 "wrote a similar tool called <command>mpatch</command> <citation>web:mpatch</"
|
dongsheng@627
|
14209 "citation>, which takes a simple approach to automating the application of "
|
dongsheng@627
|
14210 "hunks rejected by <command>patch</command>. The <command>mpatch</command> "
|
dongsheng@627
|
14211 "command can help with four common reasons that a hunk may be rejected:"
|
dongsheng@627
|
14212 msgstr ""
|
dongsheng@627
|
14213
|
dongsheng@627
|
14214 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14215 #: ../en/ch11-mq.xml:725
|
dongsheng@627
|
14216 msgid "The context in the middle of a hunk has changed."
|
dongsheng@627
|
14217 msgstr ""
|
dongsheng@627
|
14218
|
dongsheng@627
|
14219 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14220 #: ../en/ch11-mq.xml:728
|
dongsheng@627
|
14221 msgid "A hunk is missing some context at the beginning or end."
|
dongsheng@627
|
14222 msgstr ""
|
dongsheng@627
|
14223
|
dongsheng@627
|
14224 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14225 #: ../en/ch11-mq.xml:731
|
dongsheng@627
|
14226 msgid ""
|
songdongsheng@668
|
14227 "A large hunk might apply better&emdash;either entirely or in part&emdash;if "
|
songdongsheng@668
|
14228 "it was broken up into smaller hunks."
|
dongsheng@627
|
14229 msgstr ""
|
dongsheng@627
|
14230
|
dongsheng@627
|
14231 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14232 #: ../en/ch11-mq.xml:735
|
dongsheng@627
|
14233 msgid ""
|
dongsheng@627
|
14234 "A hunk removes lines with slightly different content than those currently "
|
dongsheng@627
|
14235 "present in the file."
|
dongsheng@627
|
14236 msgstr ""
|
dongsheng@627
|
14237
|
dongsheng@627
|
14238 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14239 #: ../en/ch11-mq.xml:739
|
dongsheng@627
|
14240 msgid ""
|
dongsheng@627
|
14241 "If you use <command>wiggle</command> or <command>mpatch</command>, you should "
|
dongsheng@627
|
14242 "be doubly careful to check your results when you're done. In fact, "
|
dongsheng@627
|
14243 "<command>mpatch</command> enforces this method of double-checking the tool's "
|
dongsheng@627
|
14244 "output, by automatically dropping you into a merge program when it has done "
|
dongsheng@627
|
14245 "its job, so that you can verify its work and finish off any remaining merges."
|
dongsheng@627
|
14246 msgstr ""
|
dongsheng@627
|
14247
|
dongsheng@627
|
14248 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14249 #: ../en/ch11-mq.xml:751
|
dongsheng@627
|
14250 msgid "Getting the best performance out of MQ"
|
dongsheng@636
|
14251 msgstr "MQ 的性能"
|
dongsheng@627
|
14252
|
dongsheng@627
|
14253 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14254 #: ../en/ch11-mq.xml:753
|
dongsheng@627
|
14255 msgid ""
|
dongsheng@627
|
14256 "MQ is very efficient at handling a large number of patches. I ran some "
|
dongsheng@627
|
14257 "performance experiments in mid-2006 for a talk that I gave at the 2006 "
|
dongsheng@627
|
14258 "EuroPython conference <citation>web:europython</citation>. I used as my data "
|
dongsheng@627
|
14259 "set the Linux 2.6.17-mm1 patch series, which consists of 1,738 patches. I "
|
dongsheng@627
|
14260 "applied these on top of a Linux kernel repository containing all 27,472 "
|
dongsheng@627
|
14261 "revisions between Linux 2.6.12-rc2 and Linux 2.6.17."
|
dongsheng@627
|
14262 msgstr ""
|
dongsheng@627
|
14263
|
dongsheng@627
|
14264 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14265 #: ../en/ch11-mq.xml:762
|
dongsheng@627
|
14266 msgid ""
|
dongsheng@627
|
14267 "On my old, slow laptop, I was able to <command role=\"hg-cmd\">hg qpush "
|
dongsheng@627
|
14268 "<option role=\"hg-ext-mq-cmd-qpush-opt\">hg -a</option></command> all 1,738 "
|
dongsheng@627
|
14269 "patches in 3.5 minutes, and <command role=\"hg-cmd\">hg qpop <option role="
|
dongsheng@627
|
14270 "\"hg-ext-mq-cmd-qpop-opt\">hg -a</option></command> them all in 30 seconds. "
|
dongsheng@627
|
14271 "(On a newer laptop, the time to push all patches dropped to two minutes.) I "
|
dongsheng@627
|
14272 "could <command role=\"hg-ext-mq\">qrefresh</command> one of the biggest "
|
dongsheng@627
|
14273 "patches (which made 22,779 lines of changes to 287 files) in 6.6 seconds."
|
dongsheng@627
|
14274 msgstr ""
|
dongsheng@627
|
14275
|
dongsheng@627
|
14276 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14277 #: ../en/ch11-mq.xml:773
|
dongsheng@627
|
14278 msgid ""
|
dongsheng@627
|
14279 "Clearly, MQ is well suited to working in large trees, but there are a few "
|
dongsheng@627
|
14280 "tricks you can use to get the best performance of it."
|
dongsheng@627
|
14281 msgstr ""
|
dongsheng@627
|
14282
|
dongsheng@627
|
14283 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14284 #: ../en/ch11-mq.xml:777
|
dongsheng@627
|
14285 msgid ""
|
dongsheng@627
|
14286 "First of all, try to <quote>batch</quote> operations together. Every time "
|
dongsheng@627
|
14287 "you run <command role=\"hg-ext-mq\">qpush</command> or <command role=\"hg-ext-"
|
dongsheng@627
|
14288 "mq\">qpop</command>, these commands scan the working directory once to make "
|
dongsheng@627
|
14289 "sure you haven't made some changes and then forgotten to run <command role="
|
dongsheng@627
|
14290 "\"hg-ext-mq\">qrefresh</command>. On a small tree, the time that this scan "
|
dongsheng@627
|
14291 "takes is unnoticeable. However, on a medium-sized tree (containing tens of "
|
dongsheng@627
|
14292 "thousands of files), it can take a second or more."
|
dongsheng@627
|
14293 msgstr ""
|
dongsheng@627
|
14294
|
dongsheng@627
|
14295 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14296 #: ../en/ch11-mq.xml:788
|
dongsheng@627
|
14297 msgid ""
|
dongsheng@627
|
14298 "The <command role=\"hg-ext-mq\">qpush</command> and <command role=\"hg-ext-mq"
|
dongsheng@627
|
14299 "\">qpop</command> commands allow you to push and pop multiple patches at a "
|
dongsheng@627
|
14300 "time. You can identify the <quote>destination patch</quote> that you want to "
|
dongsheng@627
|
14301 "end up at. When you <command role=\"hg-ext-mq\">qpush</command> with a "
|
dongsheng@627
|
14302 "destination specified, it will push patches until that patch is at the top of "
|
dongsheng@627
|
14303 "the applied stack. When you <command role=\"hg-ext-mq\">qpop</command> to a "
|
dongsheng@627
|
14304 "destination, MQ will pop patches until the destination patch is at the top."
|
dongsheng@627
|
14305 msgstr ""
|
dongsheng@627
|
14306
|
dongsheng@627
|
14307 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14308 #: ../en/ch11-mq.xml:798
|
dongsheng@627
|
14309 msgid ""
|
dongsheng@627
|
14310 "You can identify a destination patch using either the name of the patch, or "
|
dongsheng@627
|
14311 "by number. If you use numeric addressing, patches are counted from zero; "
|
dongsheng@627
|
14312 "this means that the first patch is zero, the second is one, and so on."
|
dongsheng@627
|
14313 msgstr ""
|
dongsheng@627
|
14314
|
dongsheng@627
|
14315 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14316 #: ../en/ch11-mq.xml:805
|
dongsheng@627
|
14317 msgid "Updating your patches when the underlying code changes"
|
dongsheng@636
|
14318 msgstr "当基础代码改变时,更新补丁的方法"
|
dongsheng@627
|
14319
|
dongsheng@627
|
14320 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14321 #: ../en/ch11-mq.xml:808
|
dongsheng@627
|
14322 msgid ""
|
dongsheng@627
|
14323 "It's common to have a stack of patches on top of an underlying repository "
|
dongsheng@627
|
14324 "that you don't modify directly. If you're working on changes to third-party "
|
dongsheng@627
|
14325 "code, or on a feature that is taking longer to develop than the rate of "
|
dongsheng@627
|
14326 "change of the code beneath, you will often need to sync up with the "
|
dongsheng@627
|
14327 "underlying code, and fix up any hunks in your patches that no longer apply. "
|
dongsheng@627
|
14328 "This is called <emphasis>rebasing</emphasis> your patch series."
|
dongsheng@627
|
14329 msgstr ""
|
dongsheng@627
|
14330
|
dongsheng@627
|
14331 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14332 #: ../en/ch11-mq.xml:817
|
dongsheng@627
|
14333 msgid ""
|
dongsheng@627
|
14334 "The simplest way to do this is to <command role=\"hg-cmd\">hg qpop <option "
|
dongsheng@627
|
14335 "role=\"hg-ext-mq-cmd-qpop-opt\">hg -a</option></command> your patches, then "
|
dongsheng@627
|
14336 "<command role=\"hg-cmd\">hg pull</command> changes into the underlying "
|
dongsheng@627
|
14337 "repository, and finally <command role=\"hg-cmd\">hg qpush <option role=\"hg-"
|
dongsheng@627
|
14338 "ext-mq-cmd-qpop-opt\">hg -a</option></command> your patches again. MQ will "
|
dongsheng@627
|
14339 "stop pushing any time it runs across a patch that fails to apply during "
|
dongsheng@627
|
14340 "conflicts, allowing you to fix your conflicts, <command role=\"hg-ext-mq"
|
dongsheng@627
|
14341 "\">qrefresh</command> the affected patch, and continue pushing until you have "
|
dongsheng@627
|
14342 "fixed your entire stack."
|
dongsheng@627
|
14343 msgstr ""
|
dongsheng@627
|
14344
|
dongsheng@627
|
14345 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14346 #: ../en/ch11-mq.xml:829
|
dongsheng@627
|
14347 msgid ""
|
dongsheng@627
|
14348 "This approach is easy to use and works well if you don't expect changes to "
|
dongsheng@627
|
14349 "the underlying code to affect how well your patches apply. If your patch "
|
dongsheng@627
|
14350 "stack touches code that is modified frequently or invasively in the "
|
dongsheng@627
|
14351 "underlying repository, however, fixing up rejected hunks by hand quickly "
|
dongsheng@627
|
14352 "becomes tiresome."
|
dongsheng@627
|
14353 msgstr ""
|
dongsheng@627
|
14354
|
dongsheng@627
|
14355 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14356 #: ../en/ch11-mq.xml:836
|
dongsheng@627
|
14357 msgid ""
|
dongsheng@627
|
14358 "It's possible to partially automate the rebasing process. If your patches "
|
dongsheng@627
|
14359 "apply cleanly against some revision of the underlying repo, MQ can use this "
|
dongsheng@627
|
14360 "information to help you to resolve conflicts between your patches and a "
|
dongsheng@627
|
14361 "different revision."
|
dongsheng@627
|
14362 msgstr ""
|
dongsheng@627
|
14363
|
dongsheng@627
|
14364 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14365 #: ../en/ch11-mq.xml:842
|
songdongsheng@658
|
14366 msgid "The process is a little involved."
|
songdongsheng@658
|
14367 msgstr ""
|
songdongsheng@658
|
14368
|
songdongsheng@658
|
14369 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
14370 #: ../en/ch11-mq.xml:844
|
dongsheng@627
|
14371 msgid ""
|
dongsheng@627
|
14372 "To begin, <command role=\"hg-cmd\">hg qpush -a</command> all of your patches "
|
dongsheng@627
|
14373 "on top of the revision where you know that they apply cleanly."
|
dongsheng@627
|
14374 msgstr ""
|
dongsheng@627
|
14375
|
dongsheng@627
|
14376 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
songdongsheng@658
|
14377 #: ../en/ch11-mq.xml:848
|
dongsheng@627
|
14378 msgid ""
|
dongsheng@627
|
14379 "Save a backup copy of your patch directory using <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
14380 "qsave <option role=\"hg-ext-mq-cmd-qsave-opt\">hg -e</option> <option role="
|
dongsheng@627
|
14381 "\"hg-ext-mq-cmd-qsave-opt\">hg -c</option></command>. This prints the name "
|
dongsheng@627
|
14382 "of the directory that it has saved the patches in. It will save the patches "
|
dongsheng@627
|
14383 "to a directory called <filename role=\"special\" class=\"directory\">.hg/"
|
dongsheng@627
|
14384 "patches.N</filename>, where <literal>N</literal> is a small integer. It also "
|
dongsheng@627
|
14385 "commits a <quote>save changeset</quote> on top of your applied patches; this "
|
dongsheng@627
|
14386 "is for internal book-keeping, and records the states of the <filename role="
|
dongsheng@627
|
14387 "\"special\">series</filename> and <filename role=\"special\">status</"
|
dongsheng@627
|
14388 "filename> files."
|
dongsheng@627
|
14389 msgstr ""
|
dongsheng@627
|
14390
|
dongsheng@627
|
14391 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
songdongsheng@658
|
14392 #: ../en/ch11-mq.xml:862
|
dongsheng@627
|
14393 msgid ""
|
dongsheng@627
|
14394 "Use <command role=\"hg-cmd\">hg pull</command> to bring new changes into the "
|
dongsheng@627
|
14395 "underlying repository. (Don't run <command role=\"hg-cmd\">hg pull -u</"
|
dongsheng@627
|
14396 "command>; see below for why.)"
|
dongsheng@627
|
14397 msgstr ""
|
dongsheng@627
|
14398
|
dongsheng@627
|
14399 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
songdongsheng@658
|
14400 #: ../en/ch11-mq.xml:867
|
dongsheng@627
|
14401 msgid ""
|
dongsheng@627
|
14402 "Update to the new tip revision, using <command role=\"hg-cmd\">hg update "
|
dongsheng@627
|
14403 "<option role=\"hg-opt-update\">-C</option></command> to override the patches "
|
dongsheng@627
|
14404 "you have pushed."
|
dongsheng@627
|
14405 msgstr ""
|
dongsheng@627
|
14406
|
dongsheng@627
|
14407 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
songdongsheng@658
|
14408 #: ../en/ch11-mq.xml:872
|
dongsheng@650
|
14409 msgid ""
|
dongsheng@650
|
14410 "Merge all patches using <command>hg qpush -m -a</command>. The <option role="
|
dongsheng@650
|
14411 "\"hg-ext-mq-cmd-qpush-opt\">-m</option> option to <command role=\"hg-ext-mq"
|
dongsheng@650
|
14412 "\">qpush</command> tells MQ to perform a three-way merge if the patch fails "
|
dongsheng@650
|
14413 "to apply."
|
dongsheng@650
|
14414 msgstr ""
|
dongsheng@650
|
14415
|
dongsheng@650
|
14416 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14417 #: ../en/ch11-mq.xml:880
|
dongsheng@627
|
14418 msgid ""
|
dongsheng@627
|
14419 "During the <command role=\"hg-cmd\">hg qpush <option role=\"hg-ext-mq-cmd-"
|
dongsheng@627
|
14420 "qpush-opt\">hg -m</option></command>, each patch in the <filename role="
|
dongsheng@627
|
14421 "\"special\">series</filename> file is applied normally. If a patch applies "
|
dongsheng@627
|
14422 "with fuzz or rejects, MQ looks at the queue you <command role=\"hg-ext-mq"
|
dongsheng@627
|
14423 "\">qsave</command>d, and performs a three-way merge with the corresponding "
|
dongsheng@627
|
14424 "changeset. This merge uses Mercurial's normal merge machinery, so it may pop "
|
dongsheng@627
|
14425 "up a GUI merge tool to help you to resolve problems."
|
dongsheng@627
|
14426 msgstr ""
|
dongsheng@627
|
14427
|
dongsheng@627
|
14428 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14429 #: ../en/ch11-mq.xml:890
|
dongsheng@627
|
14430 msgid ""
|
dongsheng@627
|
14431 "When you finish resolving the effects of a patch, MQ refreshes your patch "
|
dongsheng@627
|
14432 "based on the result of the merge."
|
dongsheng@627
|
14433 msgstr ""
|
dongsheng@627
|
14434
|
dongsheng@627
|
14435 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14436 #: ../en/ch11-mq.xml:893
|
dongsheng@627
|
14437 msgid ""
|
dongsheng@627
|
14438 "At the end of this process, your repository will have one extra head from the "
|
dongsheng@627
|
14439 "old patch queue, and a copy of the old patch queue will be in <filename role="
|
dongsheng@627
|
14440 "\"special\" class=\"directory\">.hg/patches.N</filename>. You can remove the "
|
dongsheng@627
|
14441 "extra head using <command role=\"hg-cmd\">hg qpop -a -n patches.N</command> "
|
dongsheng@627
|
14442 "or <command role=\"hg-cmd\">hg strip</command>. You can delete <filename "
|
dongsheng@627
|
14443 "role=\"special\" class=\"directory\">.hg/patches.N</filename> once you are "
|
dongsheng@627
|
14444 "sure that you no longer need it as a backup."
|
dongsheng@627
|
14445 msgstr ""
|
dongsheng@627
|
14446
|
dongsheng@627
|
14447 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14448 #: ../en/ch11-mq.xml:905
|
dongsheng@627
|
14449 msgid "Identifying patches"
|
dongsheng@636
|
14450 msgstr "标识补丁"
|
dongsheng@627
|
14451
|
dongsheng@627
|
14452 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14453 #: ../en/ch11-mq.xml:907
|
dongsheng@627
|
14454 msgid ""
|
dongsheng@627
|
14455 "MQ commands that work with patches let you refer to a patch either by using "
|
dongsheng@627
|
14456 "its name or by a number. By name is obvious enough; pass the name "
|
dongsheng@627
|
14457 "<filename>foo.patch</filename> to <command role=\"hg-ext-mq\">qpush</"
|
dongsheng@627
|
14458 "command>, for example, and it will push patches until <filename>foo.patch</"
|
dongsheng@627
|
14459 "filename> is applied."
|
dongsheng@627
|
14460 msgstr ""
|
dongsheng@627
|
14461
|
dongsheng@627
|
14462 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14463 #: ../en/ch11-mq.xml:914
|
dongsheng@627
|
14464 msgid ""
|
dongsheng@627
|
14465 "As a shortcut, you can refer to a patch using both a name and a numeric "
|
dongsheng@627
|
14466 "offset; <literal>foo.patch-2</literal> means <quote>two patches before "
|
dongsheng@627
|
14467 "<literal>foo.patch</literal></quote>, while <literal>bar.patch+4</literal> "
|
dongsheng@627
|
14468 "means <quote>four patches after <literal>bar.patch</literal></quote>."
|
dongsheng@627
|
14469 msgstr ""
|
dongsheng@627
|
14470
|
dongsheng@627
|
14471 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14472 #: ../en/ch11-mq.xml:920
|
dongsheng@627
|
14473 msgid ""
|
dongsheng@627
|
14474 "Referring to a patch by index isn't much different. The first patch printed "
|
dongsheng@627
|
14475 "in the output of <command role=\"hg-ext-mq\">qseries</command> is patch zero "
|
dongsheng@627
|
14476 "(yes, it's one of those start-at-zero counting systems); the second is patch "
|
dongsheng@627
|
14477 "one; and so on."
|
dongsheng@627
|
14478 msgstr ""
|
dongsheng@627
|
14479
|
dongsheng@627
|
14480 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14481 #: ../en/ch11-mq.xml:926
|
dongsheng@627
|
14482 msgid ""
|
dongsheng@627
|
14483 "MQ also makes it easy to work with patches when you are using normal "
|
dongsheng@627
|
14484 "Mercurial commands. Every command that accepts a changeset ID will also "
|
dongsheng@627
|
14485 "accept the name of an applied patch. MQ augments the tags normally in the "
|
dongsheng@627
|
14486 "repository with an eponymous one for each applied patch. In addition, the "
|
dongsheng@650
|
14487 "special tags <literal role=\"tag\">qbase</literal> and <literal role=\"tag"
|
dongsheng@650
|
14488 "\">qtip</literal> identify the <quote>bottom-most</quote> and topmost applied "
|
dongsheng@650
|
14489 "patches, respectively."
|
dongsheng@650
|
14490 msgstr ""
|
dongsheng@650
|
14491
|
dongsheng@650
|
14492 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14493 #: ../en/ch11-mq.xml:936
|
dongsheng@627
|
14494 msgid ""
|
dongsheng@627
|
14495 "These additions to Mercurial's normal tagging capabilities make dealing with "
|
dongsheng@627
|
14496 "patches even more of a breeze."
|
dongsheng@627
|
14497 msgstr ""
|
dongsheng@627
|
14498
|
dongsheng@627
|
14499 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
14500 #: ../en/ch11-mq.xml:939
|
dongsheng@627
|
14501 msgid "Want to patchbomb a mailing list with your latest series of changes?"
|
dongsheng@627
|
14502 msgstr ""
|
dongsheng@627
|
14503
|
dongsheng@627
|
14504 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
14505 #: ../en/ch11-mq.xml:942
|
songdongsheng@658
|
14506 msgid ""
|
songdongsheng@658
|
14507 "(Don't know what <quote>patchbombing</quote> is? See <xref linkend=\"sec:"
|
songdongsheng@658
|
14508 "hgext:patchbomb\"/>.)"
|
dongsheng@627
|
14509 msgstr ""
|
dongsheng@627
|
14510
|
dongsheng@627
|
14511 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
14512 #: ../en/ch11-mq.xml:945
|
dongsheng@627
|
14513 msgid ""
|
dongsheng@627
|
14514 "Need to see all of the patches since <literal>foo.patch</literal> that have "
|
dongsheng@627
|
14515 "touched files in a subdirectory of your tree?"
|
dongsheng@627
|
14516 msgstr ""
|
dongsheng@627
|
14517
|
dongsheng@650
|
14518 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14519 #: ../en/ch11-mq.xml:952
|
dongsheng@627
|
14520 msgid ""
|
dongsheng@627
|
14521 "Because MQ makes the names of patches available to the rest of Mercurial "
|
dongsheng@627
|
14522 "through its normal internal tag machinery, you don't need to type in the "
|
dongsheng@627
|
14523 "entire name of a patch when you want to identify it by name."
|
dongsheng@627
|
14524 msgstr ""
|
dongsheng@627
|
14525
|
dongsheng@627
|
14526 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14527 #: ../en/ch11-mq.xml:957
|
dongsheng@627
|
14528 msgid ""
|
dongsheng@627
|
14529 "Another nice consequence of representing patch names as tags is that when you "
|
dongsheng@627
|
14530 "run the <command role=\"hg-cmd\">hg log</command> command, it will display a "
|
dongsheng@627
|
14531 "patch's name as a tag, simply as part of its normal output. This makes it "
|
dongsheng@627
|
14532 "easy to visually distinguish applied patches from underlying <quote>normal</"
|
dongsheng@627
|
14533 "quote> revisions. The following example shows a few normal Mercurial "
|
dongsheng@627
|
14534 "commands in use with applied patches."
|
dongsheng@627
|
14535 msgstr ""
|
dongsheng@627
|
14536
|
dongsheng@627
|
14537 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14538 #: ../en/ch11-mq.xml:970
|
dongsheng@627
|
14539 msgid "Useful things to know about"
|
dongsheng@636
|
14540 msgstr "其它需要了解的东西"
|
dongsheng@627
|
14541
|
dongsheng@627
|
14542 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14543 #: ../en/ch11-mq.xml:972
|
dongsheng@627
|
14544 msgid ""
|
dongsheng@627
|
14545 "There are a number of aspects of MQ usage that don't fit tidily into sections "
|
dongsheng@627
|
14546 "of their own, but that are good to know. Here they are, in one place."
|
dongsheng@627
|
14547 msgstr ""
|
dongsheng@627
|
14548
|
dongsheng@627
|
14549 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
14550 #: ../en/ch11-mq.xml:977
|
dongsheng@627
|
14551 msgid ""
|
dongsheng@627
|
14552 "Normally, when you <command role=\"hg-ext-mq\">qpop</command> a patch and "
|
dongsheng@627
|
14553 "<command role=\"hg-ext-mq\">qpush</command> it again, the changeset that "
|
dongsheng@627
|
14554 "represents the patch after the pop/push will have a <emphasis>different "
|
dongsheng@627
|
14555 "identity</emphasis> than the changeset that represented the hash beforehand. "
|
songdongsheng@658
|
14556 "See <xref linkend=\"sec:mqref:cmd:qpush\"/> for information as to why this is."
|
dongsheng@627
|
14557 msgstr ""
|
dongsheng@627
|
14558
|
dongsheng@627
|
14559 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
songdongsheng@658
|
14560 #: ../en/ch11-mq.xml:986
|
dongsheng@627
|
14561 msgid ""
|
dongsheng@627
|
14562 "It's not a good idea to <command role=\"hg-cmd\">hg merge</command> changes "
|
dongsheng@627
|
14563 "from another branch with a patch changeset, at least if you want to maintain "
|
dongsheng@627
|
14564 "the <quote>patchiness</quote> of that changeset and changesets below it on "
|
dongsheng@627
|
14565 "the patch stack. If you try to do this, it will appear to succeed, but MQ "
|
dongsheng@627
|
14566 "will become confused."
|
dongsheng@627
|
14567 msgstr ""
|
dongsheng@627
|
14568
|
dongsheng@627
|
14569 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14570 #: ../en/ch11-mq.xml:997
|
dongsheng@627
|
14571 msgid "Managing patches in a repository"
|
dongsheng@636
|
14572 msgstr "在版本库管理补丁"
|
dongsheng@627
|
14573
|
dongsheng@627
|
14574 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14575 #: ../en/ch11-mq.xml:999
|
dongsheng@627
|
14576 msgid ""
|
dongsheng@627
|
14577 "Because MQ's <filename role=\"special\" class=\"directory\">.hg/patches</"
|
dongsheng@627
|
14578 "filename> directory resides outside a Mercurial repository's working "
|
dongsheng@627
|
14579 "directory, the <quote>underlying</quote> Mercurial repository knows nothing "
|
dongsheng@627
|
14580 "about the management or presence of patches."
|
dongsheng@627
|
14581 msgstr ""
|
dongsheng@627
|
14582
|
dongsheng@627
|
14583 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14584 #: ../en/ch11-mq.xml:1005
|
dongsheng@627
|
14585 msgid ""
|
dongsheng@627
|
14586 "This presents the interesting possibility of managing the contents of the "
|
dongsheng@627
|
14587 "patch directory as a Mercurial repository in its own right. This can be a "
|
dongsheng@627
|
14588 "useful way to work. For example, you can work on a patch for a while, "
|
dongsheng@627
|
14589 "<command role=\"hg-ext-mq\">qrefresh</command> it, then <command role=\"hg-cmd"
|
dongsheng@627
|
14590 "\">hg commit</command> the current state of the patch. This lets you "
|
dongsheng@627
|
14591 "<quote>roll back</quote> to that version of the patch later on."
|
dongsheng@627
|
14592 msgstr ""
|
dongsheng@627
|
14593
|
dongsheng@627
|
14594 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14595 #: ../en/ch11-mq.xml:1014
|
dongsheng@627
|
14596 msgid ""
|
dongsheng@627
|
14597 "You can then share different versions of the same patch stack among multiple "
|
dongsheng@627
|
14598 "underlying repositories. I use this when I am developing a Linux kernel "
|
dongsheng@627
|
14599 "feature. I have a pristine copy of my kernel sources for each of several CPU "
|
dongsheng@627
|
14600 "architectures, and a cloned repository under each that contains the patches I "
|
dongsheng@627
|
14601 "am working on. When I want to test a change on a different architecture, I "
|
dongsheng@627
|
14602 "push my current patches to the patch repository associated with that kernel "
|
dongsheng@627
|
14603 "tree, pop and push all of my patches, and build and test that kernel."
|
dongsheng@627
|
14604 msgstr ""
|
dongsheng@627
|
14605
|
dongsheng@627
|
14606 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14607 #: ../en/ch11-mq.xml:1024
|
dongsheng@627
|
14608 msgid ""
|
dongsheng@627
|
14609 "Managing patches in a repository makes it possible for multiple developers to "
|
dongsheng@627
|
14610 "work on the same patch series without colliding with each other, all on top "
|
dongsheng@627
|
14611 "of an underlying source base that they may or may not control."
|
dongsheng@627
|
14612 msgstr ""
|
dongsheng@627
|
14613
|
dongsheng@627
|
14614 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14615 #: ../en/ch11-mq.xml:1030
|
dongsheng@627
|
14616 msgid "MQ support for patch repositories"
|
dongsheng@636
|
14617 msgstr "MQ 支持补丁版本库"
|
dongsheng@627
|
14618
|
dongsheng@627
|
14619 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14620 #: ../en/ch11-mq.xml:1032
|
dongsheng@627
|
14621 msgid ""
|
dongsheng@627
|
14622 "MQ helps you to work with the <filename role=\"special\" class=\"directory\">."
|
dongsheng@627
|
14623 "hg/patches</filename> directory as a repository; when you prepare a "
|
dongsheng@627
|
14624 "repository for working with patches using <command role=\"hg-ext-mq\">qinit</"
|
dongsheng@627
|
14625 "command>, you can pass the <option role=\"hg-ext-mq-cmd-qinit-opt\">hg -c</"
|
dongsheng@627
|
14626 "option> option to create the <filename role=\"special\" class=\"directory\">."
|
dongsheng@627
|
14627 "hg/patches</filename> directory as a Mercurial repository."
|
dongsheng@627
|
14628 msgstr ""
|
dongsheng@627
|
14629
|
dongsheng@627
|
14630 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
songdongsheng@658
|
14631 #: ../en/ch11-mq.xml:1042
|
dongsheng@627
|
14632 msgid ""
|
dongsheng@627
|
14633 "If you forget to use the <option role=\"hg-ext-mq-cmd-qinit-opt\">hg -c</"
|
dongsheng@627
|
14634 "option> option, you can simply go into the <filename role=\"special\" class="
|
dongsheng@627
|
14635 "\"directory\">.hg/patches</filename> directory at any time and run <command "
|
dongsheng@627
|
14636 "role=\"hg-cmd\">hg init</command>. Don't forget to add an entry for the "
|
dongsheng@627
|
14637 "<filename role=\"special\">status</filename> file to the <filename role="
|
dongsheng@627
|
14638 "\"special\">.hgignore</filename> file, though"
|
dongsheng@627
|
14639 msgstr ""
|
dongsheng@627
|
14640
|
dongsheng@627
|
14641 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
songdongsheng@658
|
14642 #: ../en/ch11-mq.xml:1051
|
dongsheng@627
|
14643 msgid ""
|
dongsheng@627
|
14644 "(<command role=\"hg-cmd\">hg qinit <option role=\"hg-ext-mq-cmd-qinit-opt"
|
dongsheng@627
|
14645 "\">hg -c</option></command> does this for you automatically); you "
|
dongsheng@627
|
14646 "<emphasis>really</emphasis> don't want to manage the <filename role=\"special"
|
dongsheng@627
|
14647 "\">status</filename> file."
|
dongsheng@627
|
14648 msgstr ""
|
dongsheng@627
|
14649
|
dongsheng@627
|
14650 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14651 #: ../en/ch11-mq.xml:1058
|
dongsheng@627
|
14652 msgid ""
|
dongsheng@627
|
14653 "As a convenience, if MQ notices that the <filename class=\"directory\">.hg/"
|
dongsheng@627
|
14654 "patches</filename> directory is a repository, it will automatically <command "
|
dongsheng@627
|
14655 "role=\"hg-cmd\">hg add</command> every patch that you create and import."
|
dongsheng@627
|
14656 msgstr ""
|
dongsheng@627
|
14657
|
dongsheng@627
|
14658 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14659 #: ../en/ch11-mq.xml:1063
|
dongsheng@627
|
14660 msgid ""
|
dongsheng@627
|
14661 "MQ provides a shortcut command, <command role=\"hg-ext-mq\">qcommit</"
|
dongsheng@627
|
14662 "command>, that runs <command role=\"hg-cmd\">hg commit</command> in the "
|
dongsheng@627
|
14663 "<filename role=\"special\" class=\"directory\">.hg/patches</filename> "
|
dongsheng@627
|
14664 "directory. This saves some bothersome typing."
|
dongsheng@627
|
14665 msgstr ""
|
dongsheng@627
|
14666
|
dongsheng@627
|
14667 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14668 #: ../en/ch11-mq.xml:1069
|
dongsheng@627
|
14669 msgid ""
|
dongsheng@627
|
14670 "Finally, as a convenience to manage the patch directory, you can define the "
|
dongsheng@627
|
14671 "alias <command>mq</command> on Unix systems. For example, on Linux systems "
|
dongsheng@627
|
14672 "using the <command>bash</command> shell, you can include the following "
|
dongsheng@627
|
14673 "snippet in your <filename role=\"home\">~/.bashrc</filename>."
|
dongsheng@627
|
14674 msgstr ""
|
dongsheng@627
|
14675
|
dongsheng@627
|
14676 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14677 #: ../en/ch11-mq.xml:1078
|
dongsheng@627
|
14678 msgid ""
|
dongsheng@627
|
14679 "You can then issue commands of the form <command>mq pull</command> from the "
|
dongsheng@627
|
14680 "main repository."
|
dongsheng@627
|
14681 msgstr ""
|
dongsheng@627
|
14682
|
dongsheng@627
|
14683 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14684 #: ../en/ch11-mq.xml:1083
|
dongsheng@627
|
14685 msgid "A few things to watch out for"
|
dongsheng@636
|
14686 msgstr "需要注意的事情"
|
dongsheng@627
|
14687
|
dongsheng@627
|
14688 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14689 #: ../en/ch11-mq.xml:1085
|
dongsheng@627
|
14690 msgid ""
|
dongsheng@627
|
14691 "MQ's support for working with a repository full of patches is limited in a "
|
dongsheng@627
|
14692 "few small respects."
|
dongsheng@627
|
14693 msgstr ""
|
dongsheng@627
|
14694
|
dongsheng@627
|
14695 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14696 #: ../en/ch11-mq.xml:1088
|
dongsheng@627
|
14697 msgid ""
|
dongsheng@627
|
14698 "MQ cannot automatically detect changes that you make to the patch directory. "
|
dongsheng@627
|
14699 "If you <command role=\"hg-cmd\">hg pull</command>, manually edit, or <command "
|
dongsheng@627
|
14700 "role=\"hg-cmd\">hg update</command> changes to patches or the <filename role="
|
dongsheng@627
|
14701 "\"special\">series</filename> file, you will have to <command role=\"hg-cmd"
|
dongsheng@627
|
14702 "\">hg qpop <option role=\"hg-ext-mq-cmd-qpop-opt\">hg -a</option></command> "
|
dongsheng@627
|
14703 "and then <command role=\"hg-cmd\">hg qpush <option role=\"hg-ext-mq-cmd-qpush-"
|
dongsheng@627
|
14704 "opt\">hg -a</option></command> in the underlying repository to see those "
|
dongsheng@627
|
14705 "changes show up there. If you forget to do this, you can confuse MQ's idea "
|
dongsheng@627
|
14706 "of which patches are applied."
|
dongsheng@627
|
14707 msgstr ""
|
dongsheng@627
|
14708
|
dongsheng@627
|
14709 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14710 #: ../en/ch11-mq.xml:1104
|
dongsheng@627
|
14711 msgid "Third party tools for working with patches"
|
dongsheng@636
|
14712 msgstr "操作补丁的第三方工具"
|
dongsheng@627
|
14713
|
dongsheng@627
|
14714 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14715 #: ../en/ch11-mq.xml:1106
|
dongsheng@627
|
14716 msgid ""
|
dongsheng@627
|
14717 "Once you've been working with patches for a while, you'll find yourself "
|
dongsheng@627
|
14718 "hungry for tools that will help you to understand and manipulate the patches "
|
dongsheng@627
|
14719 "you're dealing with."
|
dongsheng@627
|
14720 msgstr ""
|
dongsheng@627
|
14721
|
dongsheng@627
|
14722 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14723 #: ../en/ch11-mq.xml:1110
|
dongsheng@627
|
14724 msgid ""
|
dongsheng@627
|
14725 "The <command>diffstat</command> command <citation>web:diffstat</citation> "
|
dongsheng@627
|
14726 "generates a histogram of the modifications made to each file in a patch. It "
|
songdongsheng@668
|
14727 "provides a good way to <quote>get a sense of</quote> a patch&emdash;which "
|
songdongsheng@668
|
14728 "files it affects, and how much change it introduces to each file and as a "
|
songdongsheng@668
|
14729 "whole. (I find that it's a good idea to use <command>diffstat</command>'s "
|
songdongsheng@668
|
14730 "<option role=\"cmd-opt-diffstat\">-p</option> option as a matter of course, "
|
songdongsheng@668
|
14731 "as otherwise it will try to do clever things with prefixes of file names that "
|
songdongsheng@668
|
14732 "inevitably confuse at least me.)"
|
dongsheng@627
|
14733 msgstr ""
|
dongsheng@627
|
14734
|
dongsheng@627
|
14735 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14736 #: ../en/ch11-mq.xml:1124
|
dongsheng@627
|
14737 msgid ""
|
dongsheng@627
|
14738 "The <literal role=\"package\">patchutils</literal> package <citation>web:"
|
dongsheng@627
|
14739 "patchutils</citation> is invaluable. It provides a set of small utilities "
|
dongsheng@627
|
14740 "that follow the <quote>Unix philosophy;</quote> each does one useful thing "
|
dongsheng@627
|
14741 "with a patch. The <literal role=\"package\">patchutils</literal> command I "
|
dongsheng@627
|
14742 "use most is <command>filterdiff</command>, which extracts subsets from a "
|
dongsheng@627
|
14743 "patch file. For example, given a patch that modifies hundreds of files "
|
dongsheng@627
|
14744 "across dozens of directories, a single invocation of <command>filterdiff</"
|
dongsheng@627
|
14745 "command> can generate a smaller patch that only touches files whose names "
|
songdongsheng@658
|
14746 "match a particular glob pattern. See <xref linkend=\"mq-collab:tips:interdiff"
|
songdongsheng@658
|
14747 "\"/> for another example."
|
dongsheng@627
|
14748 msgstr ""
|
dongsheng@627
|
14749
|
dongsheng@627
|
14750 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14751 #: ../en/ch11-mq.xml:1140
|
dongsheng@627
|
14752 msgid "Good ways to work with patches"
|
dongsheng@636
|
14753 msgstr "操作补丁的好习惯"
|
dongsheng@627
|
14754
|
dongsheng@627
|
14755 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14756 #: ../en/ch11-mq.xml:1142
|
dongsheng@627
|
14757 msgid ""
|
dongsheng@627
|
14758 "Whether you are working on a patch series to submit to a free software or "
|
dongsheng@627
|
14759 "open source project, or a series that you intend to treat as a sequence of "
|
dongsheng@627
|
14760 "regular changesets when you're done, you can use some simple techniques to "
|
dongsheng@627
|
14761 "keep your work well organised."
|
dongsheng@627
|
14762 msgstr ""
|
dongsheng@627
|
14763
|
dongsheng@627
|
14764 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14765 #: ../en/ch11-mq.xml:1148
|
dongsheng@627
|
14766 msgid ""
|
dongsheng@627
|
14767 "Give your patches descriptive names. A good name for a patch might be "
|
dongsheng@627
|
14768 "<filename>rework-device-alloc.patch</filename>, because it will immediately "
|
dongsheng@627
|
14769 "give you a hint what the purpose of the patch is. Long names shouldn't be a "
|
dongsheng@627
|
14770 "problem; you won't be typing the names often, but you <emphasis>will</"
|
dongsheng@627
|
14771 "emphasis> be running commands like <command role=\"hg-ext-mq\">qapplied</"
|
dongsheng@627
|
14772 "command> and <command role=\"hg-ext-mq\">qtop</command> over and over. Good "
|
dongsheng@627
|
14773 "naming becomes especially important when you have a number of patches to work "
|
dongsheng@627
|
14774 "with, or if you are juggling a number of different tasks and your patches "
|
dongsheng@627
|
14775 "only get a fraction of your attention."
|
dongsheng@627
|
14776 msgstr ""
|
dongsheng@627
|
14777
|
dongsheng@627
|
14778 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14779 #: ../en/ch11-mq.xml:1160
|
dongsheng@627
|
14780 msgid ""
|
dongsheng@627
|
14781 "Be aware of what patch you're working on. Use the <command role=\"hg-ext-mq"
|
songdongsheng@668
|
14782 "\">qtop</command> command and skim over the text of your patches "
|
songdongsheng@668
|
14783 "frequently&emdash;for example, using <command role=\"hg-cmd\">hg tip <option "
|
songdongsheng@668
|
14784 "role=\"hg-opt-tip\">-p</option></command>)&emdash;to be sure of where you "
|
songdongsheng@668
|
14785 "stand. I have several times worked on and <command role=\"hg-ext-mq"
|
songdongsheng@668
|
14786 "\">qrefresh</command>ed a patch other than the one I intended, and it's often "
|
songdongsheng@668
|
14787 "tricky to migrate changes into the right patch after making them in the wrong "
|
songdongsheng@668
|
14788 "one."
|
dongsheng@627
|
14789 msgstr ""
|
dongsheng@627
|
14790
|
dongsheng@627
|
14791 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14792 #: ../en/ch11-mq.xml:1170
|
dongsheng@627
|
14793 msgid ""
|
dongsheng@627
|
14794 "For this reason, it is very much worth investing a little time to learn how "
|
songdongsheng@658
|
14795 "to use some of the third-party tools I described in <xref linkend=\"sec:mq:"
|
songdongsheng@658
|
14796 "tools\"/>, particularly <command>diffstat</command> and <command>filterdiff</"
|
songdongsheng@658
|
14797 "command>. The former will give you a quick idea of what changes your patch "
|
songdongsheng@658
|
14798 "is making, while the latter makes it easy to splice hunks selectively out of "
|
songdongsheng@658
|
14799 "one patch and into another."
|
dongsheng@627
|
14800 msgstr ""
|
dongsheng@627
|
14801
|
dongsheng@627
|
14802 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14803 #: ../en/ch11-mq.xml:1181
|
dongsheng@627
|
14804 msgid "MQ cookbook"
|
dongsheng@636
|
14805 msgstr "MQ 手册"
|
dongsheng@627
|
14806
|
dongsheng@627
|
14807 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14808 #: ../en/ch11-mq.xml:1184
|
dongsheng@627
|
14809 msgid "Manage <quote>trivial</quote> patches"
|
dongsheng@636
|
14810 msgstr "管理<quote>琐碎的</quote>补丁"
|
dongsheng@627
|
14811
|
dongsheng@627
|
14812 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14813 #: ../en/ch11-mq.xml:1186
|
dongsheng@627
|
14814 msgid ""
|
dongsheng@627
|
14815 "Because the overhead of dropping files into a new Mercurial repository is so "
|
dongsheng@627
|
14816 "low, it makes a lot of sense to manage patches this way even if you simply "
|
dongsheng@627
|
14817 "want to make a few changes to a source tarball that you downloaded."
|
dongsheng@627
|
14818 msgstr ""
|
dongsheng@627
|
14819
|
dongsheng@627
|
14820 #
|
dongsheng@627
|
14821 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14822 #: ../en/ch11-mq.xml:1191
|
dongsheng@627
|
14823 msgid ""
|
dongsheng@627
|
14824 "Begin by downloading and unpacking the source tarball, and turning it into a "
|
dongsheng@627
|
14825 "Mercurial repository."
|
dongsheng@627
|
14826 msgstr ""
|
dongsheng@627
|
14827
|
dongsheng@627
|
14828 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14829 #: ../en/ch11-mq.xml:1196
|
dongsheng@627
|
14830 msgid "Continue by creating a patch stack and making your changes."
|
dongsheng@627
|
14831 msgstr ""
|
dongsheng@627
|
14832
|
dongsheng@627
|
14833 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14834 #: ../en/ch11-mq.xml:1201
|
dongsheng@627
|
14835 msgid ""
|
dongsheng@627
|
14836 "Let's say a few weeks or months pass, and your package author releases a new "
|
dongsheng@627
|
14837 "version. First, bring their changes into the repository."
|
dongsheng@627
|
14838 msgstr ""
|
dongsheng@627
|
14839
|
dongsheng@627
|
14840 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14841 #: ../en/ch11-mq.xml:1207
|
dongsheng@627
|
14842 msgid ""
|
dongsheng@627
|
14843 "The pipeline starting with <command role=\"hg-cmd\">hg locate</command> above "
|
dongsheng@627
|
14844 "deletes all files in the working directory, so that <command role=\"hg-cmd"
|
dongsheng@627
|
14845 "\">hg commit</command>'s <option role=\"hg-opt-commit\">--addremove</option> "
|
dongsheng@627
|
14846 "option can actually tell which files have really been removed in the newer "
|
dongsheng@627
|
14847 "version of the source."
|
dongsheng@627
|
14848 msgstr ""
|
dongsheng@627
|
14849
|
dongsheng@627
|
14850 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14851 #: ../en/ch11-mq.xml:1215
|
dongsheng@627
|
14852 msgid "Finally, you can apply your patches on top of the new tree."
|
dongsheng@627
|
14853 msgstr ""
|
dongsheng@627
|
14854
|
dongsheng@627
|
14855 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14856 #: ../en/ch11-mq.xml:1222
|
dongsheng@627
|
14857 msgid "Combining entire patches"
|
dongsheng@636
|
14858 msgstr "组合全部的补丁"
|
dongsheng@627
|
14859
|
dongsheng@627
|
14860 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14861 #: ../en/ch11-mq.xml:1224
|
dongsheng@627
|
14862 msgid ""
|
dongsheng@627
|
14863 "MQ provides a command, <command role=\"hg-ext-mq\">qfold</command> that lets "
|
dongsheng@627
|
14864 "you combine entire patches. This <quote>folds</quote> the patches you name, "
|
dongsheng@627
|
14865 "in the order you name them, into the topmost applied patch, and concatenates "
|
dongsheng@627
|
14866 "their descriptions onto the end of its description. The patches that you "
|
dongsheng@627
|
14867 "fold must be unapplied before you fold them."
|
dongsheng@627
|
14868 msgstr ""
|
dongsheng@627
|
14869
|
dongsheng@627
|
14870 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14871 #: ../en/ch11-mq.xml:1232
|
dongsheng@627
|
14872 msgid ""
|
dongsheng@627
|
14873 "The order in which you fold patches matters. If your topmost applied patch "
|
dongsheng@627
|
14874 "is <literal>foo</literal>, and you <command role=\"hg-ext-mq\">qfold</"
|
dongsheng@627
|
14875 "command> <literal>bar</literal> and <literal>quux</literal> into it, you will "
|
dongsheng@627
|
14876 "end up with a patch that has the same effect as if you applied first "
|
dongsheng@627
|
14877 "<literal>foo</literal>, then <literal>bar</literal>, followed by "
|
dongsheng@627
|
14878 "<literal>quux</literal>."
|
dongsheng@627
|
14879 msgstr ""
|
dongsheng@627
|
14880
|
dongsheng@627
|
14881 #. type: Content of: <book><chapter><sect1><sect2><title>
|
songdongsheng@658
|
14882 #: ../en/ch11-mq.xml:1243
|
dongsheng@627
|
14883 msgid "Merging part of one patch into another"
|
dongsheng@636
|
14884 msgstr "合并补丁的部分内容到其它补丁"
|
dongsheng@627
|
14885
|
dongsheng@627
|
14886 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14887 #: ../en/ch11-mq.xml:1245
|
dongsheng@627
|
14888 msgid ""
|
dongsheng@627
|
14889 "Merging <emphasis>part</emphasis> of one patch into another is more difficult "
|
dongsheng@627
|
14890 "than combining entire patches."
|
dongsheng@627
|
14891 msgstr ""
|
dongsheng@627
|
14892
|
dongsheng@627
|
14893 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14894 #: ../en/ch11-mq.xml:1249
|
dongsheng@627
|
14895 msgid ""
|
dongsheng@627
|
14896 "If you want to move changes to entire files, you can use <command>filterdiff</"
|
dongsheng@627
|
14897 "command>'s <option role=\"cmd-opt-filterdiff\">-i</option> and <option role="
|
dongsheng@627
|
14898 "\"cmd-opt-filterdiff\">-x</option> options to choose the modifications to "
|
dongsheng@627
|
14899 "snip out of one patch, concatenating its output onto the end of the patch you "
|
dongsheng@627
|
14900 "want to merge into. You usually won't need to modify the patch you've merged "
|
dongsheng@627
|
14901 "the changes from. Instead, MQ will report some rejected hunks when you "
|
dongsheng@627
|
14902 "<command role=\"hg-ext-mq\">qpush</command> it (from the hunks you moved into "
|
dongsheng@627
|
14903 "the other patch), and you can simply <command role=\"hg-ext-mq\">qrefresh</"
|
dongsheng@627
|
14904 "command> the patch to drop the duplicate hunks."
|
dongsheng@627
|
14905 msgstr ""
|
dongsheng@627
|
14906
|
dongsheng@627
|
14907 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14908 #: ../en/ch11-mq.xml:1262
|
dongsheng@627
|
14909 msgid ""
|
dongsheng@627
|
14910 "If you have a patch that has multiple hunks modifying a file, and you only "
|
dongsheng@627
|
14911 "want to move a few of those hunks, the job becomes more messy, but you can "
|
dongsheng@627
|
14912 "still partly automate it. Use <command>lsdiff -nvv</command> to print some "
|
dongsheng@627
|
14913 "metadata about the patch."
|
dongsheng@627
|
14914 msgstr ""
|
dongsheng@627
|
14915
|
dongsheng@627
|
14916 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14917 #: ../en/ch11-mq.xml:1270
|
dongsheng@627
|
14918 msgid "This command prints three different kinds of number:"
|
dongsheng@627
|
14919 msgstr ""
|
dongsheng@627
|
14920
|
dongsheng@627
|
14921 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14922 #: ../en/ch11-mq.xml:1273
|
dongsheng@627
|
14923 msgid ""
|
dongsheng@627
|
14924 "(in the first column) a <emphasis>file number</emphasis> to identify each "
|
dongsheng@627
|
14925 "file modified in the patch;"
|
dongsheng@627
|
14926 msgstr ""
|
dongsheng@627
|
14927
|
dongsheng@627
|
14928 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14929 #: ../en/ch11-mq.xml:1277
|
dongsheng@627
|
14930 msgid ""
|
dongsheng@627
|
14931 "(on the next line, indented) the line number within a modified file where a "
|
dongsheng@627
|
14932 "hunk starts; and"
|
dongsheng@627
|
14933 msgstr ""
|
dongsheng@627
|
14934
|
dongsheng@627
|
14935 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
songdongsheng@658
|
14936 #: ../en/ch11-mq.xml:1280
|
dongsheng@627
|
14937 msgid ""
|
dongsheng@627
|
14938 "(on the same line) a <emphasis>hunk number</emphasis> to identify that hunk."
|
dongsheng@627
|
14939 msgstr ""
|
dongsheng@627
|
14940
|
dongsheng@627
|
14941 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14942 #: ../en/ch11-mq.xml:1284
|
dongsheng@627
|
14943 msgid ""
|
dongsheng@627
|
14944 "You'll have to use some visual inspection, and reading of the patch, to "
|
dongsheng@627
|
14945 "identify the file and hunk numbers you'll want, but you can then pass them to "
|
dongsheng@627
|
14946 "to <command>filterdiff</command>'s <option role=\"cmd-opt-filterdiff\">--"
|
dongsheng@627
|
14947 "files</option> and <option role=\"cmd-opt-filterdiff\">--hunks</option> "
|
dongsheng@627
|
14948 "options, to select exactly the file and hunk you want to extract."
|
dongsheng@627
|
14949 msgstr ""
|
dongsheng@627
|
14950
|
dongsheng@627
|
14951 #. type: Content of: <book><chapter><sect1><sect2><para>
|
songdongsheng@658
|
14952 #: ../en/ch11-mq.xml:1292
|
dongsheng@627
|
14953 msgid ""
|
dongsheng@627
|
14954 "Once you have this hunk, you can concatenate it onto the end of your "
|
songdongsheng@658
|
14955 "destination patch and continue with the remainder of <xref linkend=\"sec:mq:"
|
songdongsheng@658
|
14956 "combine\"/>."
|
dongsheng@627
|
14957 msgstr ""
|
dongsheng@627
|
14958
|
dongsheng@627
|
14959 #. type: Content of: <book><chapter><sect1><title>
|
songdongsheng@658
|
14960 #: ../en/ch11-mq.xml:1299
|
dongsheng@627
|
14961 msgid "Differences between quilt and MQ"
|
dongsheng@636
|
14962 msgstr "MQ 与 quilt 的区别"
|
dongsheng@627
|
14963
|
dongsheng@627
|
14964 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14965 #: ../en/ch11-mq.xml:1301
|
dongsheng@627
|
14966 msgid ""
|
dongsheng@627
|
14967 "If you are already familiar with quilt, MQ provides a similar command set. "
|
dongsheng@627
|
14968 "There are a few differences in the way that it works."
|
dongsheng@627
|
14969 msgstr ""
|
dongsheng@627
|
14970
|
dongsheng@627
|
14971 #. type: Content of: <book><chapter><sect1><para>
|
songdongsheng@658
|
14972 #: ../en/ch11-mq.xml:1305
|
dongsheng@627
|
14973 msgid ""
|
dongsheng@627
|
14974 "You will already have noticed that most quilt commands have MQ counterparts "
|
dongsheng@627
|
14975 "that simply begin with a <quote><literal>q</literal></quote>. The exceptions "
|
dongsheng@627
|
14976 "are quilt's <literal>add</literal> and <literal>remove</literal> commands, "
|
dongsheng@627
|
14977 "the counterparts for which are the normal Mercurial <command role=\"hg-cmd"
|
dongsheng@627
|
14978 "\">hg add</command> and <command role=\"hg-cmd\">hg remove</command> "
|
dongsheng@627
|
14979 "commands. There is no MQ equivalent of the quilt <literal>edit</literal> "
|
dongsheng@627
|
14980 "command."
|
dongsheng@627
|
14981 msgstr ""
|
dongsheng@627
|
14982
|
dongsheng@627
|
14983 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
14984 #: ../en/ch12-mq-collab.xml:5
|
dongsheng@627
|
14985 msgid "Advanced uses of Mercurial Queues"
|
dongsheng@627
|
14986 msgstr "MQ 的高级用法"
|
dongsheng@627
|
14987
|
dongsheng@627
|
14988 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
14989 #: ../en/ch12-mq-collab.xml:7
|
dongsheng@627
|
14990 msgid ""
|
dongsheng@627
|
14991 "While it's easy to pick up straightforward uses of Mercurial Queues, use of a "
|
dongsheng@627
|
14992 "little discipline and some of MQ's less frequently used capabilities makes it "
|
dongsheng@627
|
14993 "possible to work in complicated development environments."
|
dongsheng@627
|
14994 msgstr ""
|
dongsheng@627
|
14995
|
dongsheng@627
|
14996 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
14997 #: ../en/ch12-mq-collab.xml:12
|
dongsheng@627
|
14998 msgid ""
|
dongsheng@627
|
14999 "In this chapter, I will use as an example a technique I have used to manage "
|
dongsheng@627
|
15000 "the development of an Infiniband device driver for the Linux kernel. The "
|
dongsheng@627
|
15001 "driver in question is large (at least as drivers go), with 25,000 lines of "
|
dongsheng@627
|
15002 "code spread across 35 source files. It is maintained by a small team of "
|
dongsheng@627
|
15003 "developers."
|
dongsheng@627
|
15004 msgstr ""
|
dongsheng@627
|
15005
|
dongsheng@627
|
15006 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
15007 #: ../en/ch12-mq-collab.xml:18
|
dongsheng@627
|
15008 msgid ""
|
dongsheng@627
|
15009 "While much of the material in this chapter is specific to Linux, the same "
|
dongsheng@627
|
15010 "principles apply to any code base for which you're not the primary owner, and "
|
dongsheng@627
|
15011 "upon which you need to do a lot of development."
|
dongsheng@627
|
15012 msgstr ""
|
dongsheng@627
|
15013
|
dongsheng@627
|
15014 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15015 #: ../en/ch12-mq-collab.xml:24
|
dongsheng@627
|
15016 msgid "The problem of many targets"
|
dongsheng@636
|
15017 msgstr "多个目标的问题"
|
dongsheng@627
|
15018
|
dongsheng@627
|
15019 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15020 #: ../en/ch12-mq-collab.xml:26
|
dongsheng@627
|
15021 msgid ""
|
dongsheng@627
|
15022 "The Linux kernel changes rapidly, and has never been internally stable; "
|
dongsheng@627
|
15023 "developers frequently make drastic changes between releases. This means that "
|
dongsheng@627
|
15024 "a version of the driver that works well with a particular released version of "
|
dongsheng@627
|
15025 "the kernel will not even <emphasis>compile</emphasis> correctly against, "
|
dongsheng@627
|
15026 "typically, any other version."
|
dongsheng@627
|
15027 msgstr ""
|
dongsheng@627
|
15028
|
dongsheng@627
|
15029 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15030 #: ../en/ch12-mq-collab.xml:33
|
dongsheng@627
|
15031 msgid ""
|
dongsheng@627
|
15032 "To maintain a driver, we have to keep a number of distinct versions of Linux "
|
dongsheng@627
|
15033 "in mind."
|
dongsheng@627
|
15034 msgstr ""
|
dongsheng@627
|
15035
|
dongsheng@627
|
15036 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15037 #: ../en/ch12-mq-collab.xml:36
|
dongsheng@627
|
15038 msgid ""
|
dongsheng@627
|
15039 "One target is the main Linux kernel development tree. Maintenance of the code "
|
dongsheng@627
|
15040 "is in this case partly shared by other developers in the kernel community, "
|
dongsheng@627
|
15041 "who make <quote>drive-by</quote> modifications to the driver as they develop "
|
dongsheng@627
|
15042 "and refine kernel subsystems."
|
dongsheng@627
|
15043 msgstr ""
|
dongsheng@627
|
15044
|
dongsheng@627
|
15045 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15046 #: ../en/ch12-mq-collab.xml:42
|
dongsheng@627
|
15047 msgid ""
|
dongsheng@627
|
15048 "We also maintain a number of <quote>backports</quote> to older versions of "
|
dongsheng@627
|
15049 "the Linux kernel, to support the needs of customers who are running older "
|
dongsheng@627
|
15050 "Linux distributions that do not incorporate our drivers. (To "
|
dongsheng@627
|
15051 "<emphasis>backport</emphasis> a piece of code is to modify it to work in an "
|
dongsheng@627
|
15052 "older version of its target environment than the version it was developed "
|
dongsheng@627
|
15053 "for.)"
|
dongsheng@627
|
15054 msgstr ""
|
dongsheng@627
|
15055
|
dongsheng@627
|
15056 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15057 #: ../en/ch12-mq-collab.xml:50
|
dongsheng@627
|
15058 msgid ""
|
dongsheng@627
|
15059 "Finally, we make software releases on a schedule that is necessarily not "
|
dongsheng@627
|
15060 "aligned with those used by Linux distributors and kernel developers, so that "
|
dongsheng@627
|
15061 "we can deliver new features to customers without forcing them to upgrade "
|
dongsheng@627
|
15062 "their entire kernels or distributions."
|
dongsheng@627
|
15063 msgstr ""
|
dongsheng@627
|
15064
|
dongsheng@627
|
15065 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
15066 #: ../en/ch12-mq-collab.xml:58
|
dongsheng@627
|
15067 msgid "Tempting approaches that don't work well"
|
dongsheng@636
|
15068 msgstr "工作不好的诱人方法"
|
dongsheng@627
|
15069
|
dongsheng@627
|
15070 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15071 #: ../en/ch12-mq-collab.xml:60
|
dongsheng@627
|
15072 msgid ""
|
dongsheng@627
|
15073 "There are two <quote>standard</quote> ways to maintain a piece of software "
|
dongsheng@627
|
15074 "that has to target many different environments."
|
dongsheng@627
|
15075 msgstr ""
|
dongsheng@627
|
15076
|
dongsheng@627
|
15077 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15078 #: ../en/ch12-mq-collab.xml:64
|
dongsheng@627
|
15079 msgid ""
|
dongsheng@627
|
15080 "The first is to maintain a number of branches, each intended for a single "
|
dongsheng@627
|
15081 "target. The trouble with this approach is that you must maintain iron "
|
dongsheng@627
|
15082 "discipline in the flow of changes between repositories. A new feature or bug "
|
dongsheng@627
|
15083 "fix must start life in a <quote>pristine</quote> repository, then percolate "
|
dongsheng@627
|
15084 "out to every backport repository. Backport changes are more limited in the "
|
dongsheng@627
|
15085 "branches they should propagate to; a backport change that is applied to a "
|
dongsheng@627
|
15086 "branch where it doesn't belong will probably stop the driver from compiling."
|
dongsheng@627
|
15087 msgstr ""
|
dongsheng@627
|
15088
|
dongsheng@627
|
15089 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15090 #: ../en/ch12-mq-collab.xml:74
|
dongsheng@627
|
15091 msgid ""
|
dongsheng@627
|
15092 "The second is to maintain a single source tree filled with conditional "
|
dongsheng@627
|
15093 "statements that turn chunks of code on or off depending on the intended "
|
dongsheng@627
|
15094 "target. Because these <quote>ifdefs</quote> are not allowed in the Linux "
|
dongsheng@627
|
15095 "kernel tree, a manual or automatic process must be followed to strip them out "
|
dongsheng@627
|
15096 "and yield a clean tree. A code base maintained in this fashion rapidly "
|
dongsheng@627
|
15097 "becomes a rat's nest of conditional blocks that are difficult to understand "
|
dongsheng@627
|
15098 "and maintain."
|
dongsheng@627
|
15099 msgstr ""
|
dongsheng@627
|
15100
|
dongsheng@627
|
15101 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15102 #: ../en/ch12-mq-collab.xml:83
|
dongsheng@627
|
15103 msgid ""
|
dongsheng@627
|
15104 "Neither of these approaches is well suited to a situation where you don't "
|
dongsheng@627
|
15105 "<quote>own</quote> the canonical copy of a source tree. In the case of a "
|
dongsheng@627
|
15106 "Linux driver that is distributed with the standard kernel, Linus's tree "
|
dongsheng@627
|
15107 "contains the copy of the code that will be treated by the world as "
|
dongsheng@627
|
15108 "canonical. The upstream version of <quote>my</quote> driver can be modified "
|
dongsheng@627
|
15109 "by people I don't know, without me even finding out about it until after the "
|
dongsheng@627
|
15110 "changes show up in Linus's tree."
|
dongsheng@627
|
15111 msgstr ""
|
dongsheng@627
|
15112
|
dongsheng@627
|
15113 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15114 #: ../en/ch12-mq-collab.xml:93
|
dongsheng@627
|
15115 msgid ""
|
dongsheng@627
|
15116 "These approaches have the added weakness of making it difficult to generate "
|
dongsheng@627
|
15117 "well-formed patches to submit upstream."
|
dongsheng@627
|
15118 msgstr ""
|
dongsheng@627
|
15119
|
dongsheng@627
|
15120 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15121 #: ../en/ch12-mq-collab.xml:97
|
dongsheng@627
|
15122 msgid ""
|
dongsheng@627
|
15123 "In principle, Mercurial Queues seems like a good candidate to manage a "
|
dongsheng@627
|
15124 "development scenario such as the above. While this is indeed the case, MQ "
|
dongsheng@627
|
15125 "contains a few added features that make the job more pleasant."
|
dongsheng@627
|
15126 msgstr ""
|
dongsheng@627
|
15127
|
dongsheng@627
|
15128 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15129 #: ../en/ch12-mq-collab.xml:105
|
dongsheng@627
|
15130 msgid "Conditionally applying patches with guards"
|
dongsheng@636
|
15131 msgstr "有条件的应用补丁"
|
dongsheng@627
|
15132
|
dongsheng@627
|
15133 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15134 #: ../en/ch12-mq-collab.xml:107
|
dongsheng@627
|
15135 msgid ""
|
dongsheng@627
|
15136 "Perhaps the best way to maintain sanity with so many targets is to be able to "
|
dongsheng@627
|
15137 "choose specific patches to apply for a given situation. MQ provides a "
|
dongsheng@627
|
15138 "feature called <quote>guards</quote> (which originates with quilt's "
|
dongsheng@627
|
15139 "<literal>guards</literal> command) that does just this. To start off, let's "
|
dongsheng@627
|
15140 "create a simple repository for experimenting in."
|
dongsheng@627
|
15141 msgstr ""
|
dongsheng@627
|
15142
|
dongsheng@627
|
15143 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15144 #: ../en/ch12-mq-collab.xml:116
|
dongsheng@627
|
15145 msgid ""
|
dongsheng@627
|
15146 "This gives us a tiny repository that contains two patches that don't have any "
|
dongsheng@627
|
15147 "dependencies on each other, because they touch different files."
|
dongsheng@627
|
15148 msgstr ""
|
dongsheng@627
|
15149
|
dongsheng@627
|
15150 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15151 #: ../en/ch12-mq-collab.xml:120
|
dongsheng@627
|
15152 msgid ""
|
dongsheng@627
|
15153 "The idea behind conditional application is that you can <quote>tag</quote> a "
|
dongsheng@627
|
15154 "patch with a <emphasis>guard</emphasis>, which is simply a text string of "
|
dongsheng@627
|
15155 "your choosing, then tell MQ to select specific guards to use when applying "
|
dongsheng@627
|
15156 "patches. MQ will then either apply, or skip over, a guarded patch, depending "
|
dongsheng@627
|
15157 "on the guards that you have selected."
|
dongsheng@627
|
15158 msgstr ""
|
dongsheng@627
|
15159
|
dongsheng@627
|
15160 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15161 #: ../en/ch12-mq-collab.xml:127
|
dongsheng@627
|
15162 msgid ""
|
dongsheng@627
|
15163 "A patch can have an arbitrary number of guards; each one is "
|
dongsheng@627
|
15164 "<emphasis>positive</emphasis> (<quote>apply this patch if this guard is "
|
dongsheng@627
|
15165 "selected</quote>) or <emphasis>negative</emphasis> (<quote>skip this patch if "
|
dongsheng@627
|
15166 "this guard is selected</quote>). A patch with no guards is always applied."
|
dongsheng@627
|
15167 msgstr ""
|
dongsheng@627
|
15168
|
dongsheng@627
|
15169 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15170 #: ../en/ch12-mq-collab.xml:135
|
dongsheng@627
|
15171 msgid "Controlling the guards on a patch"
|
dongsheng@636
|
15172 msgstr "控制补丁的应用条件"
|
dongsheng@627
|
15173
|
dongsheng@627
|
15174 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15175 #: ../en/ch12-mq-collab.xml:137
|
dongsheng@627
|
15176 msgid ""
|
dongsheng@627
|
15177 "The <command role=\"hg-ext-mq\">qguard</command> command lets you determine "
|
dongsheng@627
|
15178 "which guards should apply to a patch, or display the guards that are already "
|
dongsheng@627
|
15179 "in effect. Without any arguments, it displays the guards on the current "
|
dongsheng@627
|
15180 "topmost patch."
|
dongsheng@627
|
15181 msgstr ""
|
dongsheng@627
|
15182
|
dongsheng@627
|
15183 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15184 #: ../en/ch12-mq-collab.xml:144
|
dongsheng@627
|
15185 msgid ""
|
dongsheng@627
|
15186 "To set a positive guard on a patch, prefix the name of the guard with a "
|
dongsheng@627
|
15187 "<quote><literal>+</literal></quote>."
|
dongsheng@627
|
15188 msgstr ""
|
dongsheng@627
|
15189
|
dongsheng@627
|
15190 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15191 #: ../en/ch12-mq-collab.xml:149
|
dongsheng@627
|
15192 msgid ""
|
dongsheng@627
|
15193 "To set a negative guard on a patch, prefix the name of the guard with a "
|
dongsheng@627
|
15194 "<quote><literal>-</literal></quote>."
|
dongsheng@627
|
15195 msgstr ""
|
dongsheng@627
|
15196
|
dongsheng@627
|
15197 #. type: Content of: <book><chapter><sect1><note><para>
|
dongsheng@650
|
15198 #: ../en/ch12-mq-collab.xml:156
|
dongsheng@627
|
15199 msgid ""
|
dongsheng@627
|
15200 "The <command role=\"hg-ext-mq\">qguard</command> command <emphasis>sets</"
|
dongsheng@627
|
15201 "emphasis> the guards on a patch; it doesn't <emphasis>modify</emphasis> "
|
dongsheng@627
|
15202 "them. What this means is that if you run <command role=\"hg-cmd\">hg qguard "
|
dongsheng@627
|
15203 "+a +b</command> on a patch, then <command role=\"hg-cmd\">hg qguard +c</"
|
dongsheng@627
|
15204 "command> on the same patch, the <emphasis>only</emphasis> guard that will be "
|
dongsheng@627
|
15205 "set on it afterwards is <literal>+c</literal>."
|
dongsheng@627
|
15206 msgstr ""
|
dongsheng@627
|
15207
|
dongsheng@627
|
15208 #
|
dongsheng@627
|
15209 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15210 #: ../en/ch12-mq-collab.xml:165
|
dongsheng@627
|
15211 msgid ""
|
dongsheng@627
|
15212 "Mercurial stores guards in the <filename role=\"special\">series</filename> "
|
dongsheng@627
|
15213 "file; the form in which they are stored is easy both to understand and to "
|
dongsheng@627
|
15214 "edit by hand. (In other words, you don't have to use the <command role=\"hg-"
|
dongsheng@627
|
15215 "ext-mq\">qguard</command> command if you don't want to; it's okay to simply "
|
dongsheng@627
|
15216 "edit the <filename role=\"special\">series</filename> file.)"
|
dongsheng@627
|
15217 msgstr ""
|
dongsheng@627
|
15218
|
dongsheng@627
|
15219 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15220 #: ../en/ch12-mq-collab.xml:177
|
dongsheng@627
|
15221 msgid "Selecting the guards to use"
|
dongsheng@636
|
15222 msgstr "选择使用的条件"
|
dongsheng@627
|
15223
|
dongsheng@627
|
15224 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15225 #: ../en/ch12-mq-collab.xml:179
|
dongsheng@627
|
15226 msgid ""
|
dongsheng@627
|
15227 "The <command role=\"hg-ext-mq\">qselect</command> command determines which "
|
dongsheng@627
|
15228 "guards are active at a given time. The effect of this is to determine which "
|
dongsheng@627
|
15229 "patches MQ will apply the next time you run <command role=\"hg-ext-mq"
|
dongsheng@627
|
15230 "\">qpush</command>. It has no other effect; in particular, it doesn't do "
|
dongsheng@627
|
15231 "anything to patches that are already applied."
|
dongsheng@627
|
15232 msgstr ""
|
dongsheng@627
|
15233
|
dongsheng@627
|
15234 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15235 #: ../en/ch12-mq-collab.xml:186
|
dongsheng@627
|
15236 msgid ""
|
dongsheng@627
|
15237 "With no arguments, the <command role=\"hg-ext-mq\">qselect</command> command "
|
dongsheng@627
|
15238 "lists the guards currently in effect, one per line of output. Each argument "
|
dongsheng@627
|
15239 "is treated as the name of a guard to apply."
|
dongsheng@627
|
15240 msgstr ""
|
dongsheng@627
|
15241
|
dongsheng@627
|
15242 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15243 #: ../en/ch12-mq-collab.xml:193
|
dongsheng@627
|
15244 msgid ""
|
dongsheng@627
|
15245 "In case you're interested, the currently selected guards are stored in the "
|
dongsheng@627
|
15246 "<filename role=\"special\">guards</filename> file."
|
dongsheng@627
|
15247 msgstr ""
|
dongsheng@627
|
15248
|
dongsheng@627
|
15249 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15250 #: ../en/ch12-mq-collab.xml:198
|
dongsheng@627
|
15251 msgid ""
|
dongsheng@627
|
15252 "We can see the effect the selected guards have when we run <command role=\"hg-"
|
dongsheng@627
|
15253 "ext-mq\">qpush</command>."
|
dongsheng@627
|
15254 msgstr ""
|
dongsheng@627
|
15255
|
dongsheng@627
|
15256 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15257 #: ../en/ch12-mq-collab.xml:203
|
dongsheng@627
|
15258 msgid ""
|
dongsheng@627
|
15259 "A guard cannot start with a <quote><literal>+</literal></quote> or "
|
dongsheng@627
|
15260 "<quote><literal>-</literal></quote> character. The name of a guard must not "
|
dongsheng@627
|
15261 "contain white space, but most other characters are acceptable. If you try to "
|
dongsheng@627
|
15262 "use a guard with an invalid name, MQ will complain:"
|
dongsheng@627
|
15263 msgstr ""
|
dongsheng@627
|
15264
|
dongsheng@627
|
15265 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15266 #: ../en/ch12-mq-collab.xml:212
|
dongsheng@627
|
15267 msgid "Changing the selected guards changes the patches that are applied."
|
dongsheng@627
|
15268 msgstr ""
|
dongsheng@627
|
15269
|
dongsheng@627
|
15270 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15271 #: ../en/ch12-mq-collab.xml:217
|
dongsheng@627
|
15272 msgid ""
|
dongsheng@627
|
15273 "You can see in the example below that negative guards take precedence over "
|
dongsheng@627
|
15274 "positive guards."
|
dongsheng@627
|
15275 msgstr ""
|
dongsheng@627
|
15276
|
dongsheng@627
|
15277 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15278 #: ../en/ch12-mq-collab.xml:224
|
dongsheng@627
|
15279 msgid "MQ's rules for applying patches"
|
dongsheng@636
|
15280 msgstr "MQ 应用补丁的规则"
|
dongsheng@627
|
15281
|
dongsheng@627
|
15282 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15283 #: ../en/ch12-mq-collab.xml:226
|
dongsheng@627
|
15284 msgid ""
|
dongsheng@627
|
15285 "The rules that MQ uses when deciding whether to apply a patch are as follows."
|
dongsheng@627
|
15286 msgstr ""
|
dongsheng@627
|
15287
|
dongsheng@627
|
15288 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15289 #: ../en/ch12-mq-collab.xml:229
|
dongsheng@627
|
15290 msgid "A patch that has no guards is always applied."
|
dongsheng@627
|
15291 msgstr ""
|
dongsheng@627
|
15292
|
dongsheng@627
|
15293 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15294 #: ../en/ch12-mq-collab.xml:232
|
dongsheng@627
|
15295 msgid ""
|
dongsheng@627
|
15296 "If the patch has any negative guard that matches any currently selected "
|
dongsheng@627
|
15297 "guard, the patch is skipped."
|
dongsheng@627
|
15298 msgstr ""
|
dongsheng@627
|
15299
|
dongsheng@627
|
15300 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15301 #: ../en/ch12-mq-collab.xml:235
|
dongsheng@627
|
15302 msgid ""
|
dongsheng@627
|
15303 "If the patch has any positive guard that matches any currently selected "
|
dongsheng@627
|
15304 "guard, the patch is applied."
|
dongsheng@627
|
15305 msgstr ""
|
dongsheng@627
|
15306
|
dongsheng@627
|
15307 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15308 #: ../en/ch12-mq-collab.xml:238
|
dongsheng@627
|
15309 msgid ""
|
dongsheng@627
|
15310 "If the patch has positive or negative guards, but none matches any currently "
|
dongsheng@627
|
15311 "selected guard, the patch is skipped."
|
dongsheng@627
|
15312 msgstr ""
|
dongsheng@627
|
15313
|
dongsheng@627
|
15314 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15315 #: ../en/ch12-mq-collab.xml:245
|
dongsheng@627
|
15316 msgid "Trimming the work environment"
|
dongsheng@636
|
15317 msgstr "修剪工作环境"
|
dongsheng@627
|
15318
|
dongsheng@627
|
15319 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15320 #: ../en/ch12-mq-collab.xml:247
|
dongsheng@627
|
15321 msgid ""
|
dongsheng@627
|
15322 "In working on the device driver I mentioned earlier, I don't apply the "
|
dongsheng@627
|
15323 "patches to a normal Linux kernel tree. Instead, I use a repository that "
|
dongsheng@627
|
15324 "contains only a snapshot of the source files and headers that are relevant to "
|
dongsheng@627
|
15325 "Infiniband development. This repository is 1% the size of a kernel "
|
dongsheng@627
|
15326 "repository, so it's easier to work with."
|
dongsheng@627
|
15327 msgstr ""
|
dongsheng@627
|
15328
|
dongsheng@627
|
15329 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15330 #: ../en/ch12-mq-collab.xml:254
|
dongsheng@627
|
15331 msgid ""
|
dongsheng@627
|
15332 "I then choose a <quote>base</quote> version on top of which the patches are "
|
dongsheng@627
|
15333 "applied. This is a snapshot of the Linux kernel tree as of a revision of my "
|
dongsheng@627
|
15334 "choosing. When I take the snapshot, I record the changeset ID from the "
|
dongsheng@627
|
15335 "kernel repository in the commit message. Since the snapshot preserves the "
|
dongsheng@627
|
15336 "<quote>shape</quote> and content of the relevant parts of the kernel tree, I "
|
dongsheng@627
|
15337 "can apply my patches on top of either my tiny repository or a normal kernel "
|
dongsheng@627
|
15338 "tree."
|
dongsheng@627
|
15339 msgstr ""
|
dongsheng@627
|
15340
|
dongsheng@627
|
15341 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15342 #: ../en/ch12-mq-collab.xml:263
|
dongsheng@627
|
15343 msgid ""
|
dongsheng@627
|
15344 "Normally, the base tree atop which the patches apply should be a snapshot of "
|
dongsheng@627
|
15345 "a very recent upstream tree. This best facilitates the development of "
|
dongsheng@627
|
15346 "patches that can easily be submitted upstream with few or no modifications."
|
dongsheng@627
|
15347 msgstr ""
|
dongsheng@627
|
15348
|
dongsheng@627
|
15349 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15350 #: ../en/ch12-mq-collab.xml:270
|
dongsheng@627
|
15351 msgid "Dividing up the <filename role=\"special\">series</filename> file"
|
dongsheng@636
|
15352 msgstr "分类补丁<filename role=\"special\">系列</filename>"
|
dongsheng@627
|
15353
|
dongsheng@627
|
15354 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15355 #: ../en/ch12-mq-collab.xml:273
|
dongsheng@627
|
15356 msgid ""
|
dongsheng@627
|
15357 "I categorise the patches in the <filename role=\"special\">series</filename> "
|
dongsheng@627
|
15358 "file into a number of logical groups. Each section of like patches begins "
|
dongsheng@627
|
15359 "with a block of comments that describes the purpose of the patches that "
|
dongsheng@627
|
15360 "follow."
|
dongsheng@627
|
15361 msgstr ""
|
dongsheng@627
|
15362
|
dongsheng@627
|
15363 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15364 #: ../en/ch12-mq-collab.xml:279
|
dongsheng@627
|
15365 msgid ""
|
dongsheng@627
|
15366 "The sequence of patch groups that I maintain follows. The ordering of these "
|
dongsheng@627
|
15367 "groups is important; I'll describe why after I introduce the groups."
|
dongsheng@627
|
15368 msgstr ""
|
dongsheng@627
|
15369
|
dongsheng@627
|
15370 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15371 #: ../en/ch12-mq-collab.xml:283
|
dongsheng@627
|
15372 msgid ""
|
dongsheng@627
|
15373 "The <quote>accepted</quote> group. Patches that the development team has "
|
dongsheng@627
|
15374 "submitted to the maintainer of the Infiniband subsystem, and which he has "
|
dongsheng@627
|
15375 "accepted, but which are not present in the snapshot that the tiny repository "
|
dongsheng@627
|
15376 "is based on. These are <quote>read only</quote> patches, present only to "
|
dongsheng@627
|
15377 "transform the tree into a similar state as it is in the upstream maintainer's "
|
dongsheng@627
|
15378 "repository."
|
dongsheng@627
|
15379 msgstr ""
|
dongsheng@627
|
15380
|
dongsheng@627
|
15381 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15382 #: ../en/ch12-mq-collab.xml:291
|
dongsheng@627
|
15383 msgid ""
|
dongsheng@627
|
15384 "The <quote>rework</quote> group. Patches that I have submitted, but that the "
|
dongsheng@627
|
15385 "upstream maintainer has requested modifications to before he will accept them."
|
dongsheng@627
|
15386 msgstr ""
|
dongsheng@627
|
15387
|
dongsheng@627
|
15388 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15389 #: ../en/ch12-mq-collab.xml:296
|
dongsheng@627
|
15390 msgid ""
|
dongsheng@627
|
15391 "The <quote>pending</quote> group. Patches that I have not yet submitted to "
|
dongsheng@627
|
15392 "the upstream maintainer, but which we have finished working on. These will be "
|
dongsheng@627
|
15393 "<quote>read only</quote> for a while. If the upstream maintainer accepts "
|
dongsheng@627
|
15394 "them upon submission, I'll move them to the end of the <quote>accepted</"
|
dongsheng@627
|
15395 "quote> group. If he requests that I modify any, I'll move them to the "
|
dongsheng@627
|
15396 "beginning of the <quote>rework</quote> group."
|
dongsheng@627
|
15397 msgstr ""
|
dongsheng@627
|
15398
|
dongsheng@627
|
15399 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15400 #: ../en/ch12-mq-collab.xml:305
|
dongsheng@627
|
15401 msgid ""
|
dongsheng@627
|
15402 "The <quote>in progress</quote> group. Patches that are actively being "
|
dongsheng@627
|
15403 "developed, and should not be submitted anywhere yet."
|
dongsheng@627
|
15404 msgstr ""
|
dongsheng@627
|
15405
|
dongsheng@627
|
15406 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15407 #: ../en/ch12-mq-collab.xml:309
|
dongsheng@627
|
15408 msgid ""
|
dongsheng@627
|
15409 "The <quote>backport</quote> group. Patches that adapt the source tree to "
|
dongsheng@627
|
15410 "older versions of the kernel tree."
|
dongsheng@627
|
15411 msgstr ""
|
dongsheng@627
|
15412
|
dongsheng@627
|
15413 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15414 #: ../en/ch12-mq-collab.xml:313
|
dongsheng@627
|
15415 msgid ""
|
dongsheng@627
|
15416 "The <quote>do not ship</quote> group. Patches that for some reason should "
|
dongsheng@627
|
15417 "never be submitted upstream. For example, one such patch might change "
|
dongsheng@627
|
15418 "embedded driver identification strings to make it easier to distinguish, in "
|
dongsheng@627
|
15419 "the field, between an out-of-tree version of the driver and a version shipped "
|
dongsheng@627
|
15420 "by a distribution vendor."
|
dongsheng@627
|
15421 msgstr ""
|
dongsheng@627
|
15422
|
dongsheng@627
|
15423 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15424 #: ../en/ch12-mq-collab.xml:321
|
dongsheng@627
|
15425 msgid ""
|
dongsheng@627
|
15426 "Now to return to the reasons for ordering groups of patches in this way. We "
|
dongsheng@627
|
15427 "would like the lowest patches in the stack to be as stable as possible, so "
|
dongsheng@627
|
15428 "that we will not need to rework higher patches due to changes in context. "
|
dongsheng@627
|
15429 "Putting patches that will never be changed first in the <filename role="
|
dongsheng@627
|
15430 "\"special\">series</filename> file serves this purpose."
|
dongsheng@627
|
15431 msgstr ""
|
dongsheng@627
|
15432
|
dongsheng@627
|
15433 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15434 #: ../en/ch12-mq-collab.xml:329
|
dongsheng@627
|
15435 msgid ""
|
dongsheng@627
|
15436 "We would also like the patches that we know we'll need to modify to be "
|
dongsheng@627
|
15437 "applied on top of a source tree that resembles the upstream tree as closely "
|
dongsheng@627
|
15438 "as possible. This is why we keep accepted patches around for a while."
|
dongsheng@627
|
15439 msgstr ""
|
dongsheng@627
|
15440
|
dongsheng@627
|
15441 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15442 #: ../en/ch12-mq-collab.xml:334
|
dongsheng@627
|
15443 msgid ""
|
dongsheng@627
|
15444 "The <quote>backport</quote> and <quote>do not ship</quote> patches float at "
|
dongsheng@627
|
15445 "the end of the <filename role=\"special\">series</filename> file. The "
|
dongsheng@627
|
15446 "backport patches must be applied on top of all other patches, and the "
|
dongsheng@627
|
15447 "<quote>do not ship</quote> patches might as well stay out of harm's way."
|
dongsheng@627
|
15448 msgstr ""
|
dongsheng@627
|
15449
|
dongsheng@627
|
15450 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15451 #: ../en/ch12-mq-collab.xml:343
|
dongsheng@627
|
15452 msgid "Maintaining the patch series"
|
dongsheng@636
|
15453 msgstr "维护补丁系列"
|
dongsheng@627
|
15454
|
dongsheng@627
|
15455 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15456 #: ../en/ch12-mq-collab.xml:345
|
dongsheng@627
|
15457 msgid ""
|
dongsheng@627
|
15458 "In my work, I use a number of guards to control which patches are to be "
|
dongsheng@627
|
15459 "applied."
|
dongsheng@627
|
15460 msgstr ""
|
dongsheng@627
|
15461
|
dongsheng@627
|
15462 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15463 #: ../en/ch12-mq-collab.xml:349
|
dongsheng@627
|
15464 msgid ""
|
dongsheng@627
|
15465 "<quote>Accepted</quote> patches are guarded with <literal>accepted</"
|
dongsheng@627
|
15466 "literal>. I enable this guard most of the time. When I'm applying the "
|
dongsheng@627
|
15467 "patches on top of a tree where the patches are already present, I can turn "
|
dongsheng@627
|
15468 "this patch off, and the patches that follow it will apply cleanly."
|
dongsheng@627
|
15469 msgstr ""
|
dongsheng@627
|
15470
|
dongsheng@627
|
15471 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15472 #: ../en/ch12-mq-collab.xml:356
|
dongsheng@627
|
15473 msgid ""
|
dongsheng@627
|
15474 "Patches that are <quote>finished</quote>, but not yet submitted, have no "
|
dongsheng@627
|
15475 "guards. If I'm applying the patch stack to a copy of the upstream tree, I "
|
dongsheng@627
|
15476 "don't need to enable any guards in order to get a reasonably safe source tree."
|
dongsheng@627
|
15477 msgstr ""
|
dongsheng@627
|
15478
|
dongsheng@627
|
15479 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15480 #: ../en/ch12-mq-collab.xml:362
|
dongsheng@627
|
15481 msgid ""
|
dongsheng@627
|
15482 "Those patches that need reworking before being resubmitted are guarded with "
|
dongsheng@627
|
15483 "<literal>rework</literal>."
|
dongsheng@627
|
15484 msgstr ""
|
dongsheng@627
|
15485
|
dongsheng@627
|
15486 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15487 #: ../en/ch12-mq-collab.xml:366
|
dongsheng@627
|
15488 msgid ""
|
dongsheng@627
|
15489 "For those patches that are still under development, I use <literal>devel</"
|
dongsheng@627
|
15490 "literal>."
|
dongsheng@627
|
15491 msgstr ""
|
dongsheng@627
|
15492
|
dongsheng@627
|
15493 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15494 #: ../en/ch12-mq-collab.xml:369
|
dongsheng@627
|
15495 msgid ""
|
dongsheng@627
|
15496 "A backport patch may have several guards, one for each version of the kernel "
|
dongsheng@627
|
15497 "to which it applies. For example, a patch that backports a piece of code to "
|
dongsheng@627
|
15498 "2.6.9 will have a <literal>2.6.9</literal> guard."
|
dongsheng@627
|
15499 msgstr ""
|
dongsheng@627
|
15500
|
dongsheng@627
|
15501 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15502 #: ../en/ch12-mq-collab.xml:374
|
dongsheng@627
|
15503 msgid ""
|
dongsheng@627
|
15504 "This variety of guards gives me considerable flexibility in determining what "
|
dongsheng@627
|
15505 "kind of source tree I want to end up with. For most situations, the "
|
dongsheng@627
|
15506 "selection of appropriate guards is automated during the build process, but I "
|
dongsheng@627
|
15507 "can manually tune the guards to use for less common circumstances."
|
dongsheng@627
|
15508 msgstr ""
|
dongsheng@627
|
15509
|
dongsheng@627
|
15510 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
15511 #: ../en/ch12-mq-collab.xml:381
|
dongsheng@627
|
15512 msgid "The art of writing backport patches"
|
dongsheng@636
|
15513 msgstr "编写向后移植补丁的艺术"
|
dongsheng@627
|
15514
|
dongsheng@627
|
15515 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15516 #: ../en/ch12-mq-collab.xml:383
|
dongsheng@627
|
15517 msgid ""
|
dongsheng@627
|
15518 "Using MQ, writing a backport patch is a simple process. All such a patch has "
|
dongsheng@627
|
15519 "to do is modify a piece of code that uses a kernel feature not present in the "
|
dongsheng@627
|
15520 "older version of the kernel, so that the driver continues to work correctly "
|
dongsheng@627
|
15521 "under that older version."
|
dongsheng@627
|
15522 msgstr ""
|
dongsheng@627
|
15523
|
dongsheng@627
|
15524 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15525 #: ../en/ch12-mq-collab.xml:389
|
dongsheng@627
|
15526 msgid ""
|
dongsheng@627
|
15527 "A useful goal when writing a good backport patch is to make your code look as "
|
dongsheng@627
|
15528 "if it was written for the older version of the kernel you're targeting. The "
|
dongsheng@627
|
15529 "less obtrusive the patch, the easier it will be to understand and maintain. "
|
dongsheng@627
|
15530 "If you're writing a collection of backport patches to avoid the <quote>rat's "
|
dongsheng@627
|
15531 "nest</quote> effect of lots of <literal>#ifdef</literal>s (hunks of source "
|
dongsheng@627
|
15532 "code that are only used conditionally) in your code, don't introduce version-"
|
dongsheng@627
|
15533 "dependent <literal>#ifdef</literal>s into the patches. Instead, write "
|
dongsheng@627
|
15534 "several patches, each of which makes unconditional changes, and control their "
|
dongsheng@627
|
15535 "application using guards."
|
dongsheng@627
|
15536 msgstr ""
|
dongsheng@627
|
15537
|
dongsheng@627
|
15538 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15539 #: ../en/ch12-mq-collab.xml:402
|
dongsheng@627
|
15540 msgid ""
|
dongsheng@627
|
15541 "There are two reasons to divide backport patches into a distinct group, away "
|
dongsheng@627
|
15542 "from the <quote>regular</quote> patches whose effects they modify. The first "
|
dongsheng@627
|
15543 "is that intermingling the two makes it more difficult to use a tool like the "
|
dongsheng@627
|
15544 "<literal role=\"hg-ext\">patchbomb</literal> extension to automate the "
|
dongsheng@627
|
15545 "process of submitting the patches to an upstream maintainer. The second is "
|
dongsheng@627
|
15546 "that a backport patch could perturb the context in which a subsequent regular "
|
dongsheng@627
|
15547 "patch is applied, making it impossible to apply the regular patch cleanly "
|
dongsheng@627
|
15548 "<emphasis>without</emphasis> the earlier backport patch already being applied."
|
dongsheng@627
|
15549 msgstr ""
|
dongsheng@627
|
15550
|
dongsheng@627
|
15551 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15552 #: ../en/ch12-mq-collab.xml:417
|
dongsheng@627
|
15553 msgid "Useful tips for developing with MQ"
|
dongsheng@636
|
15554 msgstr "使用 MQ 开发的技巧"
|
dongsheng@627
|
15555
|
dongsheng@627
|
15556 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
15557 #: ../en/ch12-mq-collab.xml:420
|
dongsheng@627
|
15558 msgid "Organising patches in directories"
|
dongsheng@636
|
15559 msgstr "将补丁放到几个目录中"
|
dongsheng@627
|
15560
|
dongsheng@627
|
15561 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15562 #: ../en/ch12-mq-collab.xml:422
|
dongsheng@627
|
15563 msgid ""
|
dongsheng@627
|
15564 "If you're working on a substantial project with MQ, it's not difficult to "
|
dongsheng@627
|
15565 "accumulate a large number of patches. For example, I have one patch "
|
dongsheng@627
|
15566 "repository that contains over 250 patches."
|
dongsheng@627
|
15567 msgstr ""
|
dongsheng@627
|
15568
|
dongsheng@627
|
15569 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15570 #: ../en/ch12-mq-collab.xml:427
|
dongsheng@627
|
15571 msgid ""
|
dongsheng@627
|
15572 "If you can group these patches into separate logical categories, you can if "
|
dongsheng@627
|
15573 "you like store them in different directories; MQ has no problems with patch "
|
dongsheng@627
|
15574 "names that contain path separators."
|
dongsheng@627
|
15575 msgstr ""
|
dongsheng@627
|
15576
|
dongsheng@627
|
15577 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
15578 #: ../en/ch12-mq-collab.xml:434
|
dongsheng@627
|
15579 msgid "Viewing the history of a patch"
|
dongsheng@636
|
15580 msgstr "察看补丁的历史"
|
dongsheng@627
|
15581
|
dongsheng@627
|
15582 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15583 #: ../en/ch12-mq-collab.xml:436
|
dongsheng@627
|
15584 msgid ""
|
dongsheng@627
|
15585 "If you're developing a set of patches over a long time, it's a good idea to "
|
songdongsheng@658
|
15586 "maintain them in a repository, as discussed in <xref linkend=\"sec:mq:repo\"/"
|
songdongsheng@658
|
15587 ">. If you do so, you'll quickly discover that using the <command role=\"hg-"
|
songdongsheng@658
|
15588 "cmd\">hg diff</command> command to look at the history of changes to a patch "
|
songdongsheng@658
|
15589 "is unworkable. This is in part because you're looking at the second "
|
dongsheng@627
|
15590 "derivative of the real code (a diff of a diff), but also because MQ adds "
|
dongsheng@627
|
15591 "noise to the process by modifying time stamps and directory names when it "
|
dongsheng@627
|
15592 "updates a patch."
|
dongsheng@627
|
15593 msgstr ""
|
dongsheng@627
|
15594
|
dongsheng@627
|
15595 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15596 #: ../en/ch12-mq-collab.xml:448
|
dongsheng@627
|
15597 msgid ""
|
dongsheng@627
|
15598 "However, you can use the <literal role=\"hg-ext\">extdiff</literal> "
|
dongsheng@627
|
15599 "extension, which is bundled with Mercurial, to turn a diff of two versions of "
|
dongsheng@627
|
15600 "a patch into something readable. To do this, you will need a third-party "
|
dongsheng@627
|
15601 "package called <literal role=\"package\">patchutils</literal> <citation>web:"
|
dongsheng@627
|
15602 "patchutils</citation>. This provides a command named <command>interdiff</"
|
dongsheng@627
|
15603 "command>, which shows the differences between two diffs as a diff. Used on "
|
dongsheng@627
|
15604 "two versions of the same diff, it generates a diff that represents the diff "
|
dongsheng@627
|
15605 "from the first to the second version."
|
dongsheng@627
|
15606 msgstr ""
|
dongsheng@627
|
15607
|
dongsheng@627
|
15608 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15609 #: ../en/ch12-mq-collab.xml:459
|
dongsheng@627
|
15610 msgid ""
|
dongsheng@627
|
15611 "You can enable the <literal role=\"hg-ext\">extdiff</literal> extension in "
|
dongsheng@627
|
15612 "the usual way, by adding a line to the <literal role=\"rc-extensions"
|
dongsheng@650
|
15613 "\">extensions</literal> section of your <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
15614 "filename>."
|
dongsheng@627
|
15615 msgstr ""
|
dongsheng@627
|
15616
|
dongsheng@627
|
15617 #
|
songdongsheng@668
|
15618 #. &example.hg-interdiff;
|
dongsheng@627
|
15619 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15620 #: ../en/ch12-mq-collab.xml:466
|
dongsheng@627
|
15621 msgid ""
|
dongsheng@627
|
15622 "The <command>interdiff</command> command expects to be passed the names of "
|
dongsheng@627
|
15623 "two files, but the <literal role=\"hg-ext\">extdiff</literal> extension "
|
dongsheng@627
|
15624 "passes the program it runs a pair of directories, each of which can contain "
|
dongsheng@627
|
15625 "an arbitrary number of files. We thus need a small program that will run "
|
dongsheng@627
|
15626 "<command>interdiff</command> on each pair of files in these two directories. "
|
dongsheng@627
|
15627 "This program is available as <filename role=\"special\">hg-interdiff</"
|
dongsheng@627
|
15628 "filename> in the <filename class=\"directory\">examples</filename> directory "
|
dongsheng@627
|
15629 "of the source code repository that accompanies this book."
|
dongsheng@627
|
15630 msgstr ""
|
dongsheng@627
|
15631
|
dongsheng@627
|
15632 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15633 #: ../en/ch12-mq-collab.xml:478
|
dongsheng@627
|
15634 msgid ""
|
dongsheng@627
|
15635 "With the <filename role=\"special\">hg-interdiff</filename> program in your "
|
dongsheng@627
|
15636 "shell's search path, you can run it as follows, from inside an MQ patch "
|
dongsheng@627
|
15637 "directory:"
|
dongsheng@627
|
15638 msgstr ""
|
dongsheng@627
|
15639
|
dongsheng@627
|
15640 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15641 #: ../en/ch12-mq-collab.xml:482
|
dongsheng@627
|
15642 msgid ""
|
dongsheng@627
|
15643 "Since you'll probably want to use this long-winded command a lot, you can get "
|
dongsheng@627
|
15644 "<literal role=\"hg-ext\">hgext</literal> to make it available as a normal "
|
dongsheng@650
|
15645 "Mercurial command, again by editing your <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
15646 "filename>."
|
dongsheng@627
|
15647 msgstr ""
|
dongsheng@627
|
15648
|
dongsheng@627
|
15649 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15650 #: ../en/ch12-mq-collab.xml:489
|
dongsheng@627
|
15651 msgid ""
|
dongsheng@627
|
15652 "This directs <literal role=\"hg-ext\">hgext</literal> to make an "
|
dongsheng@627
|
15653 "<literal>interdiff</literal> command available, so you can now shorten the "
|
dongsheng@627
|
15654 "previous invocation of <command role=\"hg-ext-extdiff\">extdiff</command> to "
|
dongsheng@627
|
15655 "something a little more wieldy."
|
dongsheng@627
|
15656 msgstr ""
|
dongsheng@627
|
15657
|
dongsheng@627
|
15658 #. type: Content of: <book><chapter><sect1><sect2><note><para>
|
dongsheng@650
|
15659 #: ../en/ch12-mq-collab.xml:497
|
dongsheng@627
|
15660 msgid ""
|
dongsheng@627
|
15661 "The <command>interdiff</command> command works well only if the underlying "
|
dongsheng@627
|
15662 "files against which versions of a patch are generated remain the same. If "
|
dongsheng@627
|
15663 "you create a patch, modify the underlying files, and then regenerate the "
|
dongsheng@627
|
15664 "patch, <command>interdiff</command> may not produce useful output."
|
dongsheng@627
|
15665 msgstr ""
|
dongsheng@627
|
15666
|
dongsheng@627
|
15667 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
15668 #: ../en/ch12-mq-collab.xml:505
|
dongsheng@627
|
15669 msgid ""
|
dongsheng@627
|
15670 "The <literal role=\"hg-ext\">extdiff</literal> extension is useful for more "
|
dongsheng@627
|
15671 "than merely improving the presentation of MQ patches. To read more about it, "
|
songdongsheng@658
|
15672 "go to <xref linkend=\"sec:hgext:extdiff\"/>."
|
dongsheng@627
|
15673 msgstr ""
|
dongsheng@627
|
15674
|
dongsheng@627
|
15675 #. type: Content of: <book><chapter><title>
|
dongsheng@650
|
15676 #: ../en/ch13-hgext.xml:5
|
dongsheng@627
|
15677 msgid "Adding functionality with extensions"
|
dongsheng@627
|
15678 msgstr "使用扩展增加功能"
|
dongsheng@627
|
15679
|
dongsheng@627
|
15680 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
15681 #: ../en/ch13-hgext.xml:7
|
dongsheng@627
|
15682 msgid ""
|
dongsheng@627
|
15683 "While the core of Mercurial is quite complete from a functionality "
|
dongsheng@627
|
15684 "standpoint, it's deliberately shorn of fancy features. This approach of "
|
dongsheng@627
|
15685 "preserving simplicity keeps the software easy to deal with for both "
|
dongsheng@627
|
15686 "maintainers and users."
|
dongsheng@627
|
15687 msgstr ""
|
dongsheng@627
|
15688
|
dongsheng@627
|
15689 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
15690 #: ../en/ch13-hgext.xml:12
|
dongsheng@627
|
15691 msgid ""
|
dongsheng@627
|
15692 "However, Mercurial doesn't box you in with an inflexible command set: you can "
|
dongsheng@627
|
15693 "add features to it as <emphasis>extensions</emphasis> (sometimes known as "
|
dongsheng@627
|
15694 "<emphasis>plugins</emphasis>). We've already discussed a few of these "
|
dongsheng@627
|
15695 "extensions in earlier chapters."
|
dongsheng@627
|
15696 msgstr ""
|
dongsheng@627
|
15697
|
dongsheng@627
|
15698 #. type: Content of: <book><chapter><itemizedlist><listitem><para>
|
dongsheng@650
|
15699 #: ../en/ch13-hgext.xml:18
|
dongsheng@627
|
15700 msgid ""
|
songdongsheng@658
|
15701 "<xref linkend=\"sec:tour-merge:fetch\"/> covers the <literal role=\"hg-ext"
|
songdongsheng@658
|
15702 "\">fetch</literal> extension; this combines pulling new changes and merging "
|
songdongsheng@658
|
15703 "them with local changes into a single command, <command role=\"hg-ext-fetch"
|
songdongsheng@658
|
15704 "\">fetch</command>."
|
dongsheng@627
|
15705 msgstr ""
|
dongsheng@627
|
15706
|
dongsheng@627
|
15707 #. type: Content of: <book><chapter><itemizedlist><listitem><para>
|
dongsheng@650
|
15708 #: ../en/ch13-hgext.xml:24
|
dongsheng@627
|
15709 msgid ""
|
songdongsheng@658
|
15710 "In <xref linkend=\"chap:hook\"/>, we covered several extensions that are "
|
songdongsheng@658
|
15711 "useful for hook-related functionality: <literal role=\"hg-ext\">acl</literal> "
|
songdongsheng@658
|
15712 "adds access control lists; <literal role=\"hg-ext\">bugzilla</literal> adds "
|
songdongsheng@658
|
15713 "integration with the Bugzilla bug tracking system; and <literal role=\"hg-ext"
|
songdongsheng@658
|
15714 "\">notify</literal> sends notification emails on new changes."
|
dongsheng@627
|
15715 msgstr ""
|
dongsheng@627
|
15716
|
dongsheng@627
|
15717 #. type: Content of: <book><chapter><itemizedlist><listitem><para>
|
dongsheng@650
|
15718 #: ../en/ch13-hgext.xml:33
|
dongsheng@627
|
15719 msgid ""
|
dongsheng@627
|
15720 "The Mercurial Queues patch management extension is so invaluable that it "
|
songdongsheng@658
|
15721 "merits two chapters and an appendix all to itself. <xref linkend=\"chap:mq\"/"
|
songdongsheng@658
|
15722 "> covers the basics; <xref linkend=\"chap:mq-collab\"/> discusses advanced "
|
songdongsheng@658
|
15723 "topics; and <xref linkend=\"chap:mqref\"/> goes into detail on each command."
|
dongsheng@627
|
15724 msgstr ""
|
dongsheng@627
|
15725
|
dongsheng@627
|
15726 #. type: Content of: <book><chapter><para>
|
dongsheng@650
|
15727 #: ../en/ch13-hgext.xml:43
|
dongsheng@627
|
15728 msgid ""
|
dongsheng@627
|
15729 "In this chapter, we'll cover some of the other extensions that are available "
|
dongsheng@627
|
15730 "for Mercurial, and briefly touch on some of the machinery you'll need to know "
|
dongsheng@627
|
15731 "about if you want to write an extension of your own."
|
dongsheng@627
|
15732 msgstr ""
|
dongsheng@627
|
15733
|
dongsheng@627
|
15734 #. type: Content of: <book><chapter><itemizedlist><listitem><para>
|
dongsheng@650
|
15735 #: ../en/ch13-hgext.xml:48
|
dongsheng@627
|
15736 msgid ""
|
songdongsheng@658
|
15737 "In <xref linkend=\"sec:hgext:inotify\"/>, we'll discuss the possibility of "
|
songdongsheng@658
|
15738 "<emphasis>huge</emphasis> performance improvements using the <literal role="
|
songdongsheng@658
|
15739 "\"hg-ext\">inotify</literal> extension."
|
dongsheng@627
|
15740 msgstr ""
|
dongsheng@627
|
15741
|
dongsheng@627
|
15742 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
15743 #: ../en/ch13-hgext.xml:55
|
dongsheng@627
|
15744 msgid ""
|
dongsheng@627
|
15745 "Improve performance with the <literal role=\"hg-ext\">inotify</literal> "
|
dongsheng@627
|
15746 "extension"
|
dongsheng@636
|
15747 msgstr "使用扩展 <literal role=\"hg-ext\">inotify</literal> 以提高性能"
|
dongsheng@627
|
15748
|
dongsheng@627
|
15749 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15750 #: ../en/ch13-hgext.xml:58
|
dongsheng@627
|
15751 msgid ""
|
dongsheng@627
|
15752 "Are you interested in having some of the most common Mercurial operations run "
|
dongsheng@627
|
15753 "as much as a hundred times faster? Read on!"
|
dongsheng@627
|
15754 msgstr ""
|
dongsheng@627
|
15755
|
dongsheng@627
|
15756 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15757 #: ../en/ch13-hgext.xml:62
|
dongsheng@627
|
15758 msgid ""
|
dongsheng@627
|
15759 "Mercurial has great performance under normal circumstances. For example, "
|
dongsheng@627
|
15760 "when you run the <command role=\"hg-cmd\">hg status</command> command, "
|
dongsheng@627
|
15761 "Mercurial has to scan almost every directory and file in your repository so "
|
dongsheng@627
|
15762 "that it can display file status. Many other Mercurial commands need to do "
|
dongsheng@627
|
15763 "the same work behind the scenes; for example, the <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
15764 "diff</command> command uses the status machinery to avoid doing an expensive "
|
dongsheng@627
|
15765 "comparison operation on files that obviously haven't changed."
|
dongsheng@627
|
15766 msgstr ""
|
dongsheng@627
|
15767
|
dongsheng@627
|
15768 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15769 #: ../en/ch13-hgext.xml:72
|
dongsheng@627
|
15770 msgid ""
|
dongsheng@627
|
15771 "Because obtaining file status is crucial to good performance, the authors of "
|
dongsheng@627
|
15772 "Mercurial have optimised this code to within an inch of its life. However, "
|
dongsheng@627
|
15773 "there's no avoiding the fact that when you run <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
15774 "status</command>, Mercurial is going to have to perform at least one "
|
dongsheng@627
|
15775 "expensive system call for each managed file to determine whether it's changed "
|
dongsheng@627
|
15776 "since the last time Mercurial checked. For a sufficiently large repository, "
|
dongsheng@627
|
15777 "this can take a long time."
|
dongsheng@627
|
15778 msgstr ""
|
dongsheng@627
|
15779
|
dongsheng@627
|
15780 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15781 #: ../en/ch13-hgext.xml:82
|
dongsheng@627
|
15782 msgid ""
|
dongsheng@627
|
15783 "To put a number on the magnitude of this effect, I created a repository "
|
dongsheng@627
|
15784 "containing 150,000 managed files. I timed <command role=\"hg-cmd\">hg "
|
dongsheng@627
|
15785 "status</command> as taking ten seconds to run, even when <emphasis>none</"
|
dongsheng@627
|
15786 "emphasis> of those files had been modified."
|
dongsheng@627
|
15787 msgstr ""
|
dongsheng@627
|
15788
|
dongsheng@627
|
15789 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15790 #: ../en/ch13-hgext.xml:88
|
dongsheng@627
|
15791 msgid ""
|
dongsheng@627
|
15792 "Many modern operating systems contain a file notification facility. If a "
|
dongsheng@627
|
15793 "program signs up to an appropriate service, the operating system will notify "
|
dongsheng@627
|
15794 "it every time a file of interest is created, modified, or deleted. On Linux "
|
dongsheng@627
|
15795 "systems, the kernel component that does this is called <literal>inotify</"
|
dongsheng@627
|
15796 "literal>."
|
dongsheng@627
|
15797 msgstr ""
|
dongsheng@627
|
15798
|
dongsheng@627
|
15799 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15800 #: ../en/ch13-hgext.xml:95
|
dongsheng@627
|
15801 msgid ""
|
dongsheng@627
|
15802 "Mercurial's <literal role=\"hg-ext\">inotify</literal> extension talks to the "
|
dongsheng@627
|
15803 "kernel's <literal>inotify</literal> component to optimise <command role=\"hg-"
|
dongsheng@627
|
15804 "cmd\">hg status</command> commands. The extension has two components. A "
|
dongsheng@627
|
15805 "daemon sits in the background and receives notifications from the "
|
dongsheng@627
|
15806 "<literal>inotify</literal> subsystem. It also listens for connections from a "
|
dongsheng@627
|
15807 "regular Mercurial command. The extension modifies Mercurial's behaviour so "
|
dongsheng@627
|
15808 "that instead of scanning the filesystem, it queries the daemon. Since the "
|
dongsheng@627
|
15809 "daemon has perfect information about the state of the repository, it can "
|
dongsheng@627
|
15810 "respond with a result instantaneously, avoiding the need to scan every "
|
dongsheng@627
|
15811 "directory and file in the repository."
|
dongsheng@627
|
15812 msgstr ""
|
dongsheng@627
|
15813
|
dongsheng@627
|
15814 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15815 #: ../en/ch13-hgext.xml:108
|
dongsheng@627
|
15816 msgid ""
|
dongsheng@627
|
15817 "Recall the ten seconds that I measured plain Mercurial as taking to run "
|
dongsheng@627
|
15818 "<command role=\"hg-cmd\">hg status</command> on a 150,000 file repository. "
|
dongsheng@627
|
15819 "With the <literal role=\"hg-ext\">inotify</literal> extension enabled, the "
|
dongsheng@627
|
15820 "time dropped to 0.1 seconds, a factor of <emphasis>one hundred</emphasis> "
|
dongsheng@627
|
15821 "faster."
|
dongsheng@627
|
15822 msgstr ""
|
dongsheng@627
|
15823
|
dongsheng@627
|
15824 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15825 #: ../en/ch13-hgext.xml:115
|
dongsheng@627
|
15826 msgid "Before we continue, please pay attention to some caveats."
|
dongsheng@627
|
15827 msgstr ""
|
dongsheng@627
|
15828
|
dongsheng@627
|
15829 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15830 #: ../en/ch13-hgext.xml:118
|
dongsheng@627
|
15831 msgid ""
|
dongsheng@627
|
15832 "The <literal role=\"hg-ext\">inotify</literal> extension is Linux-specific. "
|
dongsheng@627
|
15833 "Because it interfaces directly to the Linux kernel's <literal>inotify</"
|
dongsheng@627
|
15834 "literal> subsystem, it does not work on other operating systems."
|
dongsheng@627
|
15835 msgstr ""
|
dongsheng@627
|
15836
|
dongsheng@627
|
15837 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15838 #: ../en/ch13-hgext.xml:123
|
dongsheng@627
|
15839 msgid ""
|
dongsheng@627
|
15840 "It should work on any Linux distribution that was released after early 2005. "
|
dongsheng@627
|
15841 "Older distributions are likely to have a kernel that lacks <literal>inotify</"
|
dongsheng@627
|
15842 "literal>, or a version of <literal>glibc</literal> that does not have the "
|
dongsheng@627
|
15843 "necessary interfacing support."
|
dongsheng@627
|
15844 msgstr ""
|
dongsheng@627
|
15845
|
dongsheng@627
|
15846 #. type: Content of: <book><chapter><sect1><itemizedlist><listitem><para>
|
dongsheng@650
|
15847 #: ../en/ch13-hgext.xml:130
|
dongsheng@627
|
15848 msgid ""
|
dongsheng@627
|
15849 "Not all filesystems are suitable for use with the <literal role=\"hg-ext"
|
dongsheng@627
|
15850 "\">inotify</literal> extension. Network filesystems such as NFS are a non-"
|
dongsheng@627
|
15851 "starter, for example, particularly if you're running Mercurial on several "
|
dongsheng@627
|
15852 "systems, all mounting the same network filesystem. The kernel's "
|
dongsheng@627
|
15853 "<literal>inotify</literal> system has no way of knowing about changes made on "
|
dongsheng@627
|
15854 "another system. Most local filesystems (e.g. ext3, XFS, ReiserFS) should "
|
dongsheng@627
|
15855 "work fine."
|
dongsheng@627
|
15856 msgstr ""
|
dongsheng@627
|
15857
|
dongsheng@627
|
15858 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15859 #: ../en/ch13-hgext.xml:141
|
dongsheng@627
|
15860 msgid ""
|
dongsheng@627
|
15861 "The <literal role=\"hg-ext\">inotify</literal> extension is not yet shipped "
|
dongsheng@627
|
15862 "with Mercurial as of May 2007, so it's a little more involved to set up than "
|
dongsheng@627
|
15863 "other extensions. But the performance improvement is worth it!"
|
dongsheng@627
|
15864 msgstr ""
|
dongsheng@627
|
15865
|
dongsheng@627
|
15866 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15867 #: ../en/ch13-hgext.xml:146
|
dongsheng@627
|
15868 msgid ""
|
dongsheng@627
|
15869 "The extension currently comes in two parts: a set of patches to the Mercurial "
|
dongsheng@627
|
15870 "source code, and a library of Python bindings to the <literal>inotify</"
|
dongsheng@627
|
15871 "literal> subsystem."
|
dongsheng@627
|
15872 msgstr ""
|
dongsheng@627
|
15873
|
dongsheng@627
|
15874 #. type: Content of: <book><chapter><sect1><note><para>
|
dongsheng@650
|
15875 #: ../en/ch13-hgext.xml:150
|
dongsheng@627
|
15876 msgid ""
|
dongsheng@627
|
15877 "There are <emphasis>two</emphasis> Python <literal>inotify</literal> binding "
|
dongsheng@627
|
15878 "libraries. One of them is called <literal>pyinotify</literal>, and is "
|
dongsheng@627
|
15879 "packaged by some Linux distributions as <literal>python-inotify</literal>. "
|
dongsheng@627
|
15880 "This is <emphasis>not</emphasis> the one you'll need, as it is too buggy and "
|
dongsheng@627
|
15881 "inefficient to be practical."
|
dongsheng@627
|
15882 msgstr ""
|
dongsheng@627
|
15883
|
dongsheng@627
|
15884 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15885 #: ../en/ch13-hgext.xml:157
|
dongsheng@627
|
15886 msgid ""
|
dongsheng@627
|
15887 "To get going, it's best to already have a functioning copy of Mercurial "
|
dongsheng@627
|
15888 "installed."
|
dongsheng@627
|
15889 msgstr ""
|
dongsheng@627
|
15890
|
dongsheng@627
|
15891 #. type: Content of: <book><chapter><sect1><note><para>
|
dongsheng@650
|
15892 #: ../en/ch13-hgext.xml:160
|
dongsheng@627
|
15893 msgid ""
|
dongsheng@627
|
15894 "If you follow the instructions below, you'll be <emphasis>replacing</"
|
dongsheng@627
|
15895 "emphasis> and overwriting any existing installation of Mercurial that you "
|
dongsheng@627
|
15896 "might already have, using the latest <quote>bleeding edge</quote> Mercurial "
|
dongsheng@627
|
15897 "code. Don't say you weren't warned!"
|
dongsheng@627
|
15898 msgstr ""
|
dongsheng@627
|
15899
|
dongsheng@627
|
15900 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
15901 #: ../en/ch13-hgext.xml:167
|
dongsheng@627
|
15902 msgid ""
|
dongsheng@627
|
15903 "Clone the Python <literal>inotify</literal> binding repository. Build and "
|
dongsheng@627
|
15904 "install it."
|
dongsheng@627
|
15905 msgstr ""
|
dongsheng@627
|
15906
|
dongsheng@627
|
15907 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
15908 #: ../en/ch13-hgext.xml:174
|
dongsheng@627
|
15909 msgid ""
|
dongsheng@627
|
15910 "Clone the <filename class=\"directory\">crew</filename> Mercurial "
|
dongsheng@627
|
15911 "repository. Clone the <literal role=\"hg-ext\">inotify</literal> patch "
|
dongsheng@627
|
15912 "repository so that Mercurial Queues will be able to apply patches to your "
|
dongsheng@627
|
15913 "cope of the <filename class=\"directory\">crew</filename> repository."
|
dongsheng@627
|
15914 msgstr ""
|
dongsheng@627
|
15915
|
dongsheng@627
|
15916 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
15917 #: ../en/ch13-hgext.xml:184
|
dongsheng@627
|
15918 msgid ""
|
dongsheng@627
|
15919 "Make sure that you have the Mercurial Queues extension, <literal role=\"hg-ext"
|
songdongsheng@658
|
15920 "\">mq</literal>, enabled. If you've never used MQ, read <xref linkend=\"sec:"
|
songdongsheng@658
|
15921 "mq:start\"/> to get started quickly."
|
dongsheng@627
|
15922 msgstr ""
|
dongsheng@627
|
15923
|
dongsheng@627
|
15924 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
15925 #: ../en/ch13-hgext.xml:190
|
dongsheng@627
|
15926 msgid ""
|
dongsheng@627
|
15927 "Go into the <filename class=\"directory\">inotify</filename> repo, and apply "
|
dongsheng@627
|
15928 "all of the <literal role=\"hg-ext\">inotify</literal> patches using the "
|
dongsheng@627
|
15929 "<option role=\"hg-ext-mq-cmd-qpush-opt\">hg -a</option> option to the "
|
dongsheng@627
|
15930 "<command role=\"hg-ext-mq\">qpush</command> command."
|
dongsheng@627
|
15931 msgstr ""
|
dongsheng@627
|
15932
|
dongsheng@627
|
15933 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
15934 #: ../en/ch13-hgext.xml:199
|
dongsheng@627
|
15935 msgid ""
|
dongsheng@627
|
15936 "If you get an error message from <command role=\"hg-ext-mq\">qpush</command>, "
|
dongsheng@627
|
15937 "you should not continue. Instead, ask for help."
|
dongsheng@627
|
15938 msgstr ""
|
dongsheng@627
|
15939
|
dongsheng@627
|
15940 #. type: Content of: <book><chapter><sect1><orderedlist><listitem><para>
|
dongsheng@650
|
15941 #: ../en/ch13-hgext.xml:203
|
dongsheng@627
|
15942 msgid "Build and install the patched version of Mercurial."
|
dongsheng@627
|
15943 msgstr ""
|
dongsheng@627
|
15944
|
dongsheng@627
|
15945 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15946 #: ../en/ch13-hgext.xml:209
|
dongsheng@627
|
15947 msgid ""
|
dongsheng@627
|
15948 "Once you've build a suitably patched version of Mercurial, all you need to do "
|
dongsheng@627
|
15949 "to enable the <literal role=\"hg-ext\">inotify</literal> extension is add an "
|
dongsheng@650
|
15950 "entry to your <filename role=\"special\">~/.hgrc</filename>."
|
dongsheng@650
|
15951 msgstr ""
|
dongsheng@650
|
15952
|
dongsheng@650
|
15953 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15954 #: ../en/ch13-hgext.xml:214
|
dongsheng@627
|
15955 msgid ""
|
dongsheng@627
|
15956 "When the <literal role=\"hg-ext\">inotify</literal> extension is enabled, "
|
dongsheng@627
|
15957 "Mercurial will automatically and transparently start the status daemon the "
|
dongsheng@627
|
15958 "first time you run a command that needs status in a repository. It runs one "
|
dongsheng@627
|
15959 "status daemon per repository."
|
dongsheng@627
|
15960 msgstr ""
|
dongsheng@627
|
15961
|
dongsheng@627
|
15962 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15963 #: ../en/ch13-hgext.xml:220
|
dongsheng@627
|
15964 msgid ""
|
dongsheng@627
|
15965 "The status daemon is started silently, and runs in the background. If you "
|
dongsheng@627
|
15966 "look at a list of running processes after you've enabled the <literal role="
|
dongsheng@627
|
15967 "\"hg-ext\">inotify</literal> extension and run a few commands in different "
|
dongsheng@627
|
15968 "repositories, you'll thus see a few <literal>hg</literal> processes sitting "
|
dongsheng@627
|
15969 "around, waiting for updates from the kernel and queries from Mercurial."
|
dongsheng@627
|
15970 msgstr ""
|
dongsheng@627
|
15971
|
dongsheng@627
|
15972 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15973 #: ../en/ch13-hgext.xml:228
|
dongsheng@627
|
15974 msgid ""
|
dongsheng@627
|
15975 "The first time you run a Mercurial command in a repository when you have the "
|
dongsheng@627
|
15976 "<literal role=\"hg-ext\">inotify</literal> extension enabled, it will run "
|
dongsheng@627
|
15977 "with about the same performance as a normal Mercurial command. This is "
|
dongsheng@627
|
15978 "because the status daemon needs to perform a normal status scan so that it "
|
dongsheng@627
|
15979 "has a baseline against which to apply later updates from the kernel. "
|
dongsheng@627
|
15980 "However, <emphasis>every</emphasis> subsequent command that does any kind of "
|
dongsheng@627
|
15981 "status check should be noticeably faster on repositories of even fairly "
|
dongsheng@627
|
15982 "modest size. Better yet, the bigger your repository is, the greater a "
|
dongsheng@627
|
15983 "performance advantage you'll see. The <literal role=\"hg-ext\">inotify</"
|
dongsheng@627
|
15984 "literal> daemon makes status operations almost instantaneous on repositories "
|
dongsheng@627
|
15985 "of all sizes!"
|
dongsheng@627
|
15986 msgstr ""
|
dongsheng@627
|
15987
|
dongsheng@627
|
15988 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15989 #: ../en/ch13-hgext.xml:242
|
dongsheng@627
|
15990 msgid ""
|
dongsheng@627
|
15991 "If you like, you can manually start a status daemon using the <command role="
|
dongsheng@627
|
15992 "\"hg-ext-inotify\">inserve</command> command. This gives you slightly finer "
|
dongsheng@627
|
15993 "control over how the daemon ought to run. This command will of course only "
|
dongsheng@627
|
15994 "be available when the <literal role=\"hg-ext\">inotify</literal> extension is "
|
dongsheng@627
|
15995 "enabled."
|
dongsheng@627
|
15996 msgstr ""
|
dongsheng@627
|
15997
|
dongsheng@627
|
15998 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
15999 #: ../en/ch13-hgext.xml:249
|
dongsheng@627
|
16000 msgid ""
|
dongsheng@627
|
16001 "When you're using the <literal role=\"hg-ext\">inotify</literal> extension, "
|
dongsheng@627
|
16002 "you should notice <emphasis>no difference at all</emphasis> in Mercurial's "
|
dongsheng@627
|
16003 "behaviour, with the sole exception of status-related commands running a whole "
|
dongsheng@627
|
16004 "lot faster than they used to. You should specifically expect that commands "
|
dongsheng@627
|
16005 "will not print different output; neither should they give different results. "
|
dongsheng@627
|
16006 "If either of these situations occurs, please report a bug."
|
dongsheng@627
|
16007 msgstr ""
|
dongsheng@627
|
16008
|
dongsheng@627
|
16009 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
16010 #: ../en/ch13-hgext.xml:260
|
dongsheng@627
|
16011 msgid ""
|
dongsheng@627
|
16012 "Flexible diff support with the <literal role=\"hg-ext\">extdiff</literal> "
|
dongsheng@627
|
16013 "extension"
|
dongsheng@636
|
16014 msgstr "使用扩展 <literal role=\"hg-ext\">extdiff</literal> 以扩展差异支持"
|
dongsheng@627
|
16015
|
dongsheng@627
|
16016 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16017 #: ../en/ch13-hgext.xml:263
|
dongsheng@627
|
16018 msgid ""
|
dongsheng@627
|
16019 "Mercurial's built-in <command role=\"hg-cmd\">hg diff</command> command "
|
dongsheng@627
|
16020 "outputs plaintext unified diffs."
|
dongsheng@627
|
16021 msgstr ""
|
dongsheng@627
|
16022 "Mercurial 内置命令 <command role=\"hg-cmd\">hg diff</command> 的输出与统一差异"
|
dongsheng@627
|
16023 "不同。"
|
dongsheng@627
|
16024
|
dongsheng@627
|
16025 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16026 #: ../en/ch13-hgext.xml:268
|
dongsheng@627
|
16027 msgid ""
|
dongsheng@627
|
16028 "If you would like to use an external tool to display modifications, you'll "
|
dongsheng@627
|
16029 "want to use the <literal role=\"hg-ext\">extdiff</literal> extension. This "
|
dongsheng@627
|
16030 "will let you use, for example, a graphical diff tool."
|
dongsheng@627
|
16031 msgstr ""
|
dongsheng@627
|
16032
|
dongsheng@627
|
16033 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16034 #: ../en/ch13-hgext.xml:273
|
dongsheng@627
|
16035 msgid ""
|
dongsheng@627
|
16036 "The <literal role=\"hg-ext\">extdiff</literal> extension is bundled with "
|
dongsheng@627
|
16037 "Mercurial, so it's easy to set up. In the <literal role=\"rc-extensions"
|
dongsheng@650
|
16038 "\">extensions</literal> section of your <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
16039 "filename>, simply add a one-line entry to enable the extension."
|
dongsheng@627
|
16040 msgstr ""
|
dongsheng@627
|
16041
|
dongsheng@627
|
16042 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16043 #: ../en/ch13-hgext.xml:280
|
dongsheng@627
|
16044 msgid ""
|
dongsheng@627
|
16045 "This introduces a command named <command role=\"hg-ext-extdiff\">extdiff</"
|
dongsheng@627
|
16046 "command>, which by default uses your system's <command>diff</command> command "
|
dongsheng@627
|
16047 "to generate a unified diff in the same form as the built-in <command role="
|
dongsheng@627
|
16048 "\"hg-cmd\">hg diff</command> command."
|
dongsheng@627
|
16049 msgstr ""
|
dongsheng@627
|
16050
|
dongsheng@627
|
16051 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16052 #: ../en/ch13-hgext.xml:288
|
dongsheng@627
|
16053 msgid ""
|
dongsheng@627
|
16054 "The result won't be exactly the same as with the built-in <command role=\"hg-"
|
dongsheng@627
|
16055 "cmd\">hg diff</command> variations, because the output of <command>diff</"
|
dongsheng@627
|
16056 "command> varies from one system to another, even when passed the same options."
|
dongsheng@627
|
16057 msgstr ""
|
dongsheng@627
|
16058
|
dongsheng@627
|
16059 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16060 #: ../en/ch13-hgext.xml:293
|
dongsheng@627
|
16061 msgid ""
|
dongsheng@627
|
16062 "As the <quote><literal>making snapshot</literal></quote> lines of output "
|
dongsheng@627
|
16063 "above imply, the <command role=\"hg-ext-extdiff\">extdiff</command> command "
|
dongsheng@627
|
16064 "works by creating two snapshots of your source tree. The first snapshot is "
|
dongsheng@627
|
16065 "of the source revision; the second, of the target revision or working "
|
dongsheng@627
|
16066 "directory. The <command role=\"hg-ext-extdiff\">extdiff</command> command "
|
dongsheng@627
|
16067 "generates these snapshots in a temporary directory, passes the name of each "
|
dongsheng@627
|
16068 "directory to an external diff viewer, then deletes the temporary directory. "
|
dongsheng@627
|
16069 "For efficiency, it only snapshots the directories and files that have changed "
|
dongsheng@627
|
16070 "between the two revisions."
|
dongsheng@627
|
16071 msgstr ""
|
dongsheng@627
|
16072
|
dongsheng@627
|
16073 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16074 #: ../en/ch13-hgext.xml:306
|
dongsheng@627
|
16075 msgid ""
|
dongsheng@627
|
16076 "Snapshot directory names have the same base name as your repository. If your "
|
dongsheng@627
|
16077 "repository path is <filename class=\"directory\">/quux/bar/foo</filename>, "
|
dongsheng@627
|
16078 "then <filename class=\"directory\">foo</filename> will be the name of each "
|
dongsheng@627
|
16079 "snapshot directory. Each snapshot directory name has its changeset ID "
|
dongsheng@627
|
16080 "appended, if appropriate. If a snapshot is of revision "
|
dongsheng@627
|
16081 "<literal>a631aca1083f</literal>, the directory will be named <filename class="
|
dongsheng@627
|
16082 "\"directory\">foo.a631aca1083f</filename>. A snapshot of the working "
|
dongsheng@627
|
16083 "directory won't have a changeset ID appended, so it would just be <filename "
|
dongsheng@627
|
16084 "class=\"directory\">foo</filename> in this example. To see what this looks "
|
dongsheng@627
|
16085 "like in practice, look again at the <command role=\"hg-ext-extdiff\">extdiff</"
|
dongsheng@627
|
16086 "command> example above. Notice that the diff has the snapshot directory "
|
dongsheng@627
|
16087 "names embedded in its header."
|
dongsheng@627
|
16088 msgstr ""
|
dongsheng@627
|
16089
|
dongsheng@627
|
16090 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16091 #: ../en/ch13-hgext.xml:322
|
dongsheng@627
|
16092 msgid ""
|
dongsheng@627
|
16093 "The <command role=\"hg-ext-extdiff\">extdiff</command> command accepts two "
|
dongsheng@627
|
16094 "important options. The <option role=\"hg-ext-extdiff-cmd-extdiff-opt\">hg -p</"
|
dongsheng@627
|
16095 "option> option lets you choose a program to view differences with, instead of "
|
dongsheng@627
|
16096 "<command>diff</command>. With the <option role=\"hg-ext-extdiff-cmd-extdiff-"
|
dongsheng@627
|
16097 "opt\">hg -o</option> option, you can change the options that <command role="
|
dongsheng@627
|
16098 "\"hg-ext-extdiff\">extdiff</command> passes to the program (by default, these "
|
dongsheng@627
|
16099 "options are <quote><literal>-Npru</literal></quote>, which only make sense if "
|
dongsheng@627
|
16100 "you're running <command>diff</command>). In other respects, the <command "
|
dongsheng@627
|
16101 "role=\"hg-ext-extdiff\">extdiff</command> command acts similarly to the built-"
|
dongsheng@627
|
16102 "in <command role=\"hg-cmd\">hg diff</command> command: you use the same "
|
dongsheng@627
|
16103 "option names, syntax, and arguments to specify the revisions you want, the "
|
dongsheng@627
|
16104 "files you want, and so on."
|
dongsheng@627
|
16105 msgstr ""
|
dongsheng@627
|
16106
|
dongsheng@627
|
16107 #
|
dongsheng@627
|
16108 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16109 #: ../en/ch13-hgext.xml:339
|
dongsheng@627
|
16110 msgid ""
|
dongsheng@627
|
16111 "As an example, here's how to run the normal system <command>diff</command> "
|
dongsheng@627
|
16112 "command, getting it to generate context diffs (using the <option role=\"cmd-"
|
dongsheng@627
|
16113 "opt-diff\">-c</option> option) instead of unified diffs, and five lines of "
|
dongsheng@627
|
16114 "context instead of the default three (passing <literal>5</literal> as the "
|
dongsheng@627
|
16115 "argument to the <option role=\"cmd-opt-diff\">-C</option> option)."
|
dongsheng@627
|
16116 msgstr ""
|
dongsheng@627
|
16117
|
dongsheng@627
|
16118 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16119 #: ../en/ch13-hgext.xml:348
|
dongsheng@627
|
16120 msgid ""
|
dongsheng@627
|
16121 "Launching a visual diff tool is just as easy. Here's how to launch the "
|
dongsheng@627
|
16122 "<command>kdiff3</command> viewer."
|
dongsheng@627
|
16123 msgstr ""
|
dongsheng@627
|
16124
|
dongsheng@627
|
16125 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16126 #: ../en/ch13-hgext.xml:352
|
dongsheng@627
|
16127 msgid ""
|
dongsheng@627
|
16128 "If your diff viewing command can't deal with directories, you can easily work "
|
dongsheng@627
|
16129 "around this with a little scripting. For an example of such scripting in "
|
dongsheng@627
|
16130 "action with the <literal role=\"hg-ext\">mq</literal> extension and the "
|
songdongsheng@658
|
16131 "<command>interdiff</command> command, see <xref linkend=\"mq-collab:tips:"
|
songdongsheng@658
|
16132 "interdiff\"/>."
|
dongsheng@627
|
16133 msgstr ""
|
dongsheng@627
|
16134
|
dongsheng@627
|
16135 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
16136 #: ../en/ch13-hgext.xml:360
|
dongsheng@627
|
16137 msgid "Defining command aliases"
|
dongsheng@636
|
16138 msgstr "定义命令的别名"
|
dongsheng@627
|
16139
|
dongsheng@627
|
16140 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
16141 #: ../en/ch13-hgext.xml:362
|
dongsheng@627
|
16142 msgid ""
|
dongsheng@627
|
16143 "It can be cumbersome to remember the options to both the <command role=\"hg-"
|
dongsheng@627
|
16144 "ext-extdiff\">extdiff</command> command and the diff viewer you want to use, "
|
dongsheng@627
|
16145 "so the <literal role=\"hg-ext\">extdiff</literal> extension lets you define "
|
dongsheng@627
|
16146 "<emphasis>new</emphasis> commands that will invoke your diff viewer with "
|
dongsheng@627
|
16147 "exactly the right options."
|
dongsheng@627
|
16148 msgstr ""
|
dongsheng@627
|
16149
|
dongsheng@627
|
16150 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
16151 #: ../en/ch13-hgext.xml:369
|
dongsheng@650
|
16152 msgid ""
|
dongsheng@650
|
16153 "All you need to do is edit your <filename role=\"special\">~/.hgrc</"
|
dongsheng@627
|
16154 "filename>, and add a section named <literal role=\"rc-extdiff\">extdiff</"
|
dongsheng@627
|
16155 "literal>. Inside this section, you can define multiple commands. Here's how "
|
dongsheng@627
|
16156 "to add a <literal>kdiff3</literal> command. Once you've defined this, you "
|
dongsheng@627
|
16157 "can type <quote><literal>hg kdiff3</literal></quote> and the <literal role="
|
dongsheng@627
|
16158 "\"hg-ext\">extdiff</literal> extension will run <command>kdiff3</command> for "
|
dongsheng@627
|
16159 "you."
|
dongsheng@627
|
16160 msgstr ""
|
dongsheng@627
|
16161
|
dongsheng@627
|
16162 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
16163 #: ../en/ch13-hgext.xml:379
|
dongsheng@627
|
16164 msgid ""
|
dongsheng@627
|
16165 "If you leave the right hand side of the definition empty, as above, the "
|
dongsheng@627
|
16166 "<literal role=\"hg-ext\">extdiff</literal> extension uses the name of the "
|
dongsheng@627
|
16167 "command you defined as the name of the external program to run. But these "
|
dongsheng@627
|
16168 "names don't have to be the same. Here, we define a command named "
|
dongsheng@627
|
16169 "<quote><literal>hg wibble</literal></quote>, which runs <command>kdiff3</"
|
dongsheng@627
|
16170 "command>."
|
dongsheng@627
|
16171 msgstr ""
|
dongsheng@627
|
16172
|
dongsheng@627
|
16173 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
16174 #: ../en/ch13-hgext.xml:389
|
dongsheng@627
|
16175 msgid ""
|
dongsheng@627
|
16176 "You can also specify the default options that you want to invoke your diff "
|
dongsheng@627
|
16177 "viewing program with. The prefix to use is <quote><literal>opts.</literal></"
|
dongsheng@627
|
16178 "quote>, followed by the name of the command to which the options apply. This "
|
dongsheng@627
|
16179 "example defines a <quote><literal>hg vimdiff</literal></quote> command that "
|
dongsheng@627
|
16180 "runs the <command>vim</command> editor's <literal>DirDiff</literal> extension."
|
dongsheng@627
|
16181 msgstr ""
|
dongsheng@627
|
16182
|
dongsheng@627
|
16183 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
16184 #: ../en/ch13-hgext.xml:403
|
dongsheng@627
|
16185 msgid ""
|
dongsheng@627
|
16186 "Cherrypicking changes with the <literal role=\"hg-ext\">transplant</literal> "
|
dongsheng@627
|
16187 "extension"
|
dongsheng@636
|
16188 msgstr "使用扩展 <literal role=\"hg-ext\">transplant</literal> 以挑选修改"
|
dongsheng@627
|
16189
|
dongsheng@627
|
16190 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16191 #: ../en/ch13-hgext.xml:406
|
dongsheng@627
|
16192 msgid "Need to have a long chat with Brendan about this."
|
dongsheng@627
|
16193 msgstr ""
|
dongsheng@627
|
16194
|
dongsheng@627
|
16195 #. type: Content of: <book><chapter><sect1><title>
|
dongsheng@650
|
16196 #: ../en/ch13-hgext.xml:410
|
dongsheng@627
|
16197 msgid ""
|
dongsheng@627
|
16198 "Send changes via email with the <literal role=\"hg-ext\">patchbomb</literal> "
|
dongsheng@627
|
16199 "extension"
|
dongsheng@627
|
16200 msgstr ""
|
dongsheng@636
|
16201 "使用扩展 <literal role=\"hg-ext\">patchbomb</literal> 通过 email 发送修改"
|
dongsheng@627
|
16202
|
dongsheng@627
|
16203 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16204 #: ../en/ch13-hgext.xml:413
|
dongsheng@627
|
16205 msgid ""
|
dongsheng@627
|
16206 "Many projects have a culture of <quote>change review</quote>, in which people "
|
dongsheng@627
|
16207 "send their modifications to a mailing list for others to read and comment on "
|
dongsheng@627
|
16208 "before they commit the final version to a shared repository. Some projects "
|
dongsheng@627
|
16209 "have people who act as gatekeepers; they apply changes from other people to a "
|
dongsheng@627
|
16210 "repository to which those others don't have access."
|
dongsheng@627
|
16211 msgstr ""
|
dongsheng@627
|
16212
|
dongsheng@627
|
16213 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16214 #: ../en/ch13-hgext.xml:421
|
dongsheng@627
|
16215 msgid ""
|
dongsheng@627
|
16216 "Mercurial makes it easy to send changes over email for review or application, "
|
dongsheng@627
|
16217 "via its <literal role=\"hg-ext\">patchbomb</literal> extension. The "
|
dongsheng@627
|
16218 "extension is so named because changes are formatted as patches, and it's "
|
dongsheng@627
|
16219 "usual to send one changeset per email message. Sending a long series of "
|
dongsheng@627
|
16220 "changes by email is thus much like <quote>bombing</quote> the recipient's "
|
dongsheng@627
|
16221 "inbox, hence <quote>patchbomb</quote>."
|
dongsheng@627
|
16222 msgstr ""
|
dongsheng@627
|
16223
|
dongsheng@627
|
16224 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16225 #: ../en/ch13-hgext.xml:429
|
dongsheng@627
|
16226 msgid ""
|
dongsheng@627
|
16227 "As usual, the basic configuration of the <literal role=\"hg-ext\">patchbomb</"
|
dongsheng@627
|
16228 "literal> extension takes just one or two lines in your <filename role="
|
dongsheng@627
|
16229 "\"special\"> /.hgrc</filename>."
|
dongsheng@627
|
16230 msgstr ""
|
dongsheng@627
|
16231
|
dongsheng@627
|
16232 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16233 #: ../en/ch13-hgext.xml:435
|
dongsheng@627
|
16234 msgid ""
|
dongsheng@627
|
16235 "Once you've enabled the extension, you will have a new command available, "
|
dongsheng@627
|
16236 "named <command role=\"hg-ext-patchbomb\">email</command>."
|
dongsheng@627
|
16237 msgstr ""
|
dongsheng@627
|
16238
|
dongsheng@627
|
16239 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16240 #: ../en/ch13-hgext.xml:439
|
dongsheng@627
|
16241 msgid ""
|
dongsheng@627
|
16242 "The safest and best way to invoke the <command role=\"hg-ext-patchbomb"
|
dongsheng@627
|
16243 "\">email</command> command is to <emphasis>always</emphasis> run it first "
|
dongsheng@627
|
16244 "with the <option role=\"hg-ext-patchbomb-cmd-email-opt\">hg -n</option> "
|
dongsheng@627
|
16245 "option. This will show you what the command <emphasis>would</emphasis> send, "
|
dongsheng@627
|
16246 "without actually sending anything. Once you've had a quick glance over the "
|
dongsheng@627
|
16247 "changes and verified that you are sending the right ones, you can rerun the "
|
dongsheng@627
|
16248 "same command, with the <option role=\"hg-ext-patchbomb-cmd-email-opt\">hg -n</"
|
dongsheng@627
|
16249 "option> option removed."
|
dongsheng@627
|
16250 msgstr ""
|
dongsheng@627
|
16251
|
dongsheng@627
|
16252 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16253 #: ../en/ch13-hgext.xml:450
|
dongsheng@627
|
16254 msgid ""
|
dongsheng@627
|
16255 "The <command role=\"hg-ext-patchbomb\">email</command> command accepts the "
|
dongsheng@627
|
16256 "same kind of revision syntax as every other Mercurial command. For example, "
|
dongsheng@627
|
16257 "this command will send every revision between 7 and <literal>tip</literal>, "
|
dongsheng@627
|
16258 "inclusive."
|
dongsheng@627
|
16259 msgstr ""
|
dongsheng@627
|
16260
|
dongsheng@627
|
16261 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16262 #: ../en/ch13-hgext.xml:455
|
dongsheng@627
|
16263 msgid ""
|
dongsheng@627
|
16264 "You can also specify a <emphasis>repository</emphasis> to compare with. If "
|
dongsheng@627
|
16265 "you provide a repository but no revisions, the <command role=\"hg-ext-"
|
dongsheng@627
|
16266 "patchbomb\">email</command> command will send all revisions in the local "
|
dongsheng@627
|
16267 "repository that are not present in the remote repository. If you "
|
dongsheng@627
|
16268 "additionally specify revisions or a branch name (the latter using the <option "
|
dongsheng@627
|
16269 "role=\"hg-ext-patchbomb-cmd-email-opt\">hg -b</option> option), this will "
|
dongsheng@627
|
16270 "constrain the revisions sent."
|
dongsheng@627
|
16271 msgstr ""
|
dongsheng@627
|
16272
|
dongsheng@627
|
16273 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16274 #: ../en/ch13-hgext.xml:464
|
dongsheng@627
|
16275 msgid ""
|
dongsheng@627
|
16276 "It's perfectly safe to run the <command role=\"hg-ext-patchbomb\">email</"
|
dongsheng@627
|
16277 "command> command without the names of the people you want to send to: if you "
|
dongsheng@627
|
16278 "do this, it will just prompt you for those values interactively. (If you're "
|
dongsheng@627
|
16279 "using a Linux or Unix-like system, you should have enhanced "
|
dongsheng@627
|
16280 "<literal>readline</literal>-style editing capabilities when entering those "
|
dongsheng@627
|
16281 "headers, too, which is useful.)"
|
dongsheng@627
|
16282 msgstr ""
|
dongsheng@627
|
16283
|
dongsheng@627
|
16284 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16285 #: ../en/ch13-hgext.xml:472
|
dongsheng@627
|
16286 msgid ""
|
dongsheng@627
|
16287 "When you are sending just one revision, the <command role=\"hg-ext-patchbomb"
|
dongsheng@627
|
16288 "\">email</command> command will by default use the first line of the "
|
dongsheng@627
|
16289 "changeset description as the subject of the single email message it sends."
|
dongsheng@627
|
16290 msgstr ""
|
dongsheng@627
|
16291
|
dongsheng@627
|
16292 #. type: Content of: <book><chapter><sect1><para>
|
dongsheng@650
|
16293 #: ../en/ch13-hgext.xml:477
|
dongsheng@627
|
16294 msgid ""
|
dongsheng@627
|
16295 "If you send multiple revisions, the <command role=\"hg-ext-patchbomb\">email</"
|
dongsheng@627
|
16296 "command> command will usually send one message per changeset. It will "
|
dongsheng@627
|
16297 "preface the series with an introductory message, in which you should describe "
|
dongsheng@627
|
16298 "the purpose of the series of changes you're sending."
|
dongsheng@627
|
16299 msgstr ""
|
dongsheng@627
|
16300
|
dongsheng@627
|
16301 #. type: Content of: <book><chapter><sect1><sect2><title>
|
dongsheng@650
|
16302 #: ../en/ch13-hgext.xml:484
|
dongsheng@627
|
16303 msgid "Changing the behaviour of patchbombs"
|
dongsheng@636
|
16304 msgstr "修改 patchbomb 的行为"
|
dongsheng@627
|
16305
|
dongsheng@627
|
16306 #. type: Content of: <book><chapter><sect1><sect2><para>
|
dongsheng@650
|
16307 #: ../en/ch13-hgext.xml:486
|
dongsheng@627
|
16308 msgid ""
|
dongsheng@627
|
16309 "Not every project has exactly the same conventions for sending changes in "
|
dongsheng@627
|
16310 "email; the <literal role=\"hg-ext\">patchbomb</literal> extension tries to "
|
dongsheng@627
|
16311 "accommodate a number of variations through command line options."
|
dongsheng@627
|
16312 msgstr ""
|
dongsheng@627
|
16313
|
dongsheng@627
|
16314 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16315 #: ../en/ch13-hgext.xml:492
|
dongsheng@627
|
16316 msgid ""
|
dongsheng@627
|
16317 "You can write a subject for the introductory message on the command line "
|
dongsheng@627
|
16318 "using the <option role=\"hg-ext-patchbomb-cmd-email-opt\">hg -s</option> "
|
dongsheng@627
|
16319 "option. This takes one argument, the text of the subject to use."
|
dongsheng@627
|
16320 msgstr ""
|
dongsheng@627
|
16321
|
dongsheng@627
|
16322 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16323 #: ../en/ch13-hgext.xml:498
|
dongsheng@627
|
16324 msgid ""
|
dongsheng@627
|
16325 "To change the email address from which the messages originate, use the "
|
dongsheng@627
|
16326 "<option role=\"hg-ext-patchbomb-cmd-email-opt\">hg -f</option> option. This "
|
dongsheng@627
|
16327 "takes one argument, the email address to use."
|
dongsheng@627
|
16328 msgstr ""
|
dongsheng@627
|
16329
|
dongsheng@627
|
16330 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16331 #: ../en/ch13-hgext.xml:504
|
dongsheng@627
|
16332 msgid ""
|
songdongsheng@658
|
16333 "The default behaviour is to send unified diffs (see <xref linkend=\"sec:mq:"
|
songdongsheng@658
|
16334 "patch\"/> for a description of the format), one per message. You can send a "
|
songdongsheng@658
|
16335 "binary bundle instead with the <option role=\"hg-ext-patchbomb-cmd-email-opt"
|
songdongsheng@658
|
16336 "\">hg -b</option> option."
|
dongsheng@627
|
16337 msgstr ""
|
dongsheng@627
|
16338
|
dongsheng@627
|
16339 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16340 #: ../en/ch13-hgext.xml:512
|
dongsheng@627
|
16341 msgid ""
|
dongsheng@627
|
16342 "Unified diffs are normally prefaced with a metadata header. You can omit "
|
dongsheng@627
|
16343 "this, and send unadorned diffs, with the <option role=\"hg-ext-patchbomb-cmd-"
|
dongsheng@627
|
16344 "email-opt\">hg --plain</option> option."
|
dongsheng@627
|
16345 msgstr ""
|
dongsheng@627
|
16346
|
dongsheng@627
|
16347 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16348 #: ../en/ch13-hgext.xml:518
|
dongsheng@627
|
16349 msgid ""
|
dongsheng@627
|
16350 "Diffs are normally sent <quote>inline</quote>, in the same body part as the "
|
dongsheng@627
|
16351 "description of a patch. This makes it easiest for the largest number of "
|
dongsheng@627
|
16352 "readers to quote and respond to parts of a diff, as some mail clients will "
|
dongsheng@627
|
16353 "only quote the first MIME body part in a message. If you'd prefer to send the "
|
dongsheng@627
|
16354 "description and the diff in separate body parts, use the <option role=\"hg-"
|
dongsheng@627
|
16355 "ext-patchbomb-cmd-email-opt\">hg -a</option> option."
|
dongsheng@627
|
16356 msgstr ""
|
dongsheng@627
|
16357
|
dongsheng@627
|
16358 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16359 #: ../en/ch13-hgext.xml:528
|
dongsheng@627
|
16360 msgid ""
|
dongsheng@627
|
16361 "Instead of sending mail messages, you can write them to an <literal>mbox</"
|
dongsheng@627
|
16362 "literal>-format mail folder using the <option role=\"hg-ext-patchbomb-cmd-"
|
dongsheng@627
|
16363 "email-opt\">hg -m</option> option. That option takes one argument, the name "
|
dongsheng@627
|
16364 "of the file to write to."
|
dongsheng@627
|
16365 msgstr ""
|
dongsheng@627
|
16366
|
dongsheng@627
|
16367 #. type: Content of: <book><chapter><sect1><sect2><itemizedlist><listitem><para>
|
dongsheng@650
|
16368 #: ../en/ch13-hgext.xml:535
|
dongsheng@627
|
16369 msgid ""
|
dongsheng@627
|
16370 "If you would like to add a <command>diffstat</command>-format summary to each "
|
dongsheng@627
|
16371 "patch, and one to the introductory message, use the <option role=\"hg-ext-"
|
dongsheng@627
|
16372 "patchbomb-cmd-email-opt\">hg -d</option> option. The <command>diffstat</"
|
dongsheng@627
|
16373 "command> command displays a table containing the name of each file patched, "
|
dongsheng@627
|
16374 "the number of lines affected, and a histogram showing how much each file is "
|
dongsheng@627
|
16375 "modified. This gives readers a qualitative glance at how complex a patch is."
|
dongsheng@627
|
16376 msgstr ""
|