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1 <!-- vim: set filetype=docbkxml shiftwidth=2 autoindent expandtab tw=77 : -->
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2
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3 <appendix id="chap:mqref">
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4 <?dbhtml filename="mercurial-queues-reference.html"?>
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5 <title>Mercurial Queues reference</title>
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6
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7 <sect1 id="sec:mqref:cmdref">
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8 <title>MQ command reference</title>
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9
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10 <para>For an overview of the commands provided by MQ, use the
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11 command <command role="hg-cmd">hg help mq</command>.</para>
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12
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13 <sect2>
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14 <title><command role="hg-ext-mq">qapplied</command>&emdash;print
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15 applied patches</title>
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16
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17 <para>The <command role="hg-ext-mq">qapplied</command> command
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18 prints the current stack of applied patches. Patches are
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19 printed in oldest-to-newest order, so the last patch in the
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20 list is the <quote>top</quote> patch.</para>
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21
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22 </sect2>
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23 <sect2>
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24 <title><command role="hg-ext-mq">qcommit</command>&emdash;commit
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25 changes in the queue repository</title>
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26
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27 <para>The <command role="hg-ext-mq">qcommit</command> command
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28 commits any outstanding changes in the <filename
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29 role="special" class="directory">.hg/patches</filename>
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30 repository. This command only works if the <filename
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31 role="special" class="directory">.hg/patches</filename>
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32 directory is a repository, i.e. you created the directory
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33 using <command role="hg-cmd">hg qinit <option
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34 role="hg-ext-mq-cmd-qinit-opt">-c</option></command> or
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35 ran <command role="hg-cmd">hg init</command> in the directory
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36 after running <command
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37 role="hg-ext-mq">qinit</command>.</para>
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38
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39 <para>This command is shorthand for <command role="hg-cmd">hg
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40 commit --cwd .hg/patches</command>.</para>
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41
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42 <para>\subsection{<command
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43 role="hg-ext-mq">qdelete</command>&emdash;delete a patch
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44 from the <filename role="special">series</filename>
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45 file}</para>
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46
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47 <para>The <command role="hg-ext-mq">qdelete</command> command
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48 removes the entry for a patch from the <filename
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49 role="special">series</filename> file in the <filename
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50 role="special" class="directory">.hg/patches</filename>
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51 directory. It does not pop the patch if the patch is already
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52 applied. By default, it does not delete the patch file; use
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53 the <option role="hg-ext-mq-cmd-qdel-opt">-f</option> option
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54 to do that.</para>
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55
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56 <para>Options:</para>
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57 <itemizedlist>
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58 <listitem><para><option
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59 role="hg-ext-mq-cmd-qdel-opt">-f</option>: Delete the
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60 patch file.</para>
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61 </listitem></itemizedlist>
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62
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63 </sect2>
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64 <sect2>
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65 <title><command role="hg-ext-mq">qdiff</command>&emdash;print a
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66 diff of the topmost applied patch</title>
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67
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68 <para>The <command role="hg-ext-mq">qdiff</command> command
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69 prints a diff of the topmost applied patch. It is equivalent
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70 to <command role="hg-cmd">hg diff -r-2:-1</command>.</para>
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71
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72 </sect2>
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73 <sect2>
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74 <title><command role="hg-ext-mq">qfold</command>&emdash;merge
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75 (<quote>fold</quote>) several patches into one</title>
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76
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77 <para>The <command role="hg-ext-mq">qfold</command> command
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78 merges multiple patches into the topmost applied patch, so
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79 that the topmost applied patch makes the union of all of the
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80 changes in the patches in question.</para>
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81
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82 <para>The patches to fold must not be applied; <command
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83 role="hg-ext-mq">qfold</command> will exit with an error if
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84 any is. The order in which patches are folded is significant;
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85 <command role="hg-cmd">hg qfold a b</command> means
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86 <quote>apply the current topmost patch, followed by
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87 <literal>a</literal>, followed by
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88 <literal>b</literal></quote>.</para>
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89
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90 <para>The comments from the folded patches are appended to the
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91 comments of the destination patch, with each block of comments
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92 separated by three asterisk
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93 (<quote><literal>*</literal></quote>) characters. Use the
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94 <option role="hg-ext-mq-cmd-qfold-opt">-e</option> option to
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95 edit the commit message for the combined patch/changeset after
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96 the folding has completed.</para>
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97
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98 <para>Options:</para>
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99 <itemizedlist>
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100 <listitem><para><option
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101 role="hg-ext-mq-cmd-qfold-opt">-e</option>: Edit the
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102 commit message and patch description for the newly folded
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103 patch.</para>
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104 </listitem>
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105 <listitem><para><option
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106 role="hg-ext-mq-cmd-qfold-opt">-l</option>: Use the
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107 contents of the given file as the new commit message and
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108 patch description for the folded patch.</para>
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109 </listitem>
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110 <listitem><para><option
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111 role="hg-ext-mq-cmd-qfold-opt">-m</option>: Use the
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112 given text as the new commit message and patch description
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113 for the folded patch.</para>
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114 </listitem></itemizedlist>
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115
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116 </sect2>
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117 <sect2>
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118 <title><command
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119 role="hg-ext-mq">qheader</command>&emdash;display the
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120 header/description of a patch</title>
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121
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122 <para>The <command role="hg-ext-mq">qheader</command> command
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123 prints the header, or description, of a patch. By default, it
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124 prints the header of the topmost applied patch. Given an
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125 argument, it prints the header of the named patch.</para>
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126
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127 </sect2>
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128 <sect2>
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129 <title><command role="hg-ext-mq">qimport</command>&emdash;import
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130 a third-party patch into the queue</title>
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131
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132 <para>The <command role="hg-ext-mq">qimport</command> command
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133 adds an entry for an external patch to the <filename
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134 role="special">series</filename> file, and copies the patch
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135 into the <filename role="special"
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136 class="directory">.hg/patches</filename> directory. It adds
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137 the entry immediately after the topmost applied patch, but
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138 does not push the patch.</para>
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139
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140 <para>If the <filename role="special"
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141 class="directory">.hg/patches</filename> directory is a
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142 repository, <command role="hg-ext-mq">qimport</command>
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143 automatically does an <command role="hg-cmd">hg add</command>
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144 of the imported patch.</para>
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145
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146 </sect2>
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147 <sect2>
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148 <title><command role="hg-ext-mq">qinit</command>&emdash;prepare
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149 a repository to work with MQ</title>
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150
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151 <para>The <command role="hg-ext-mq">qinit</command> command
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152 prepares a repository to work with MQ. It creates a directory
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153 called <filename role="special"
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154 class="directory">.hg/patches</filename>.</para>
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155
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156 <para>Options:</para>
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157 <itemizedlist>
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158 <listitem><para><option
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159 role="hg-ext-mq-cmd-qinit-opt">-c</option>: Create
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160 <filename role="special"
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161 class="directory">.hg/patches</filename> as a repository
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162 in its own right. Also creates a <filename
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163 role="special">.hgignore</filename> file that will
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164 ignore the <filename role="special">status</filename>
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165 file.</para>
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166 </listitem></itemizedlist>
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167
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168 <para>When the <filename role="special"
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169 class="directory">.hg/patches</filename> directory is a
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170 repository, the <command role="hg-ext-mq">qimport</command>
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171 and <command role="hg-ext-mq">qnew</command> commands
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172 automatically <command role="hg-cmd">hg add</command> new
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173 patches.</para>
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174
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175 </sect2>
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176 <sect2>
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177 <title><command role="hg-ext-mq">qnew</command>&emdash;create a
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178 new patch</title>
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179
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180 <para>The <command role="hg-ext-mq">qnew</command> command
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181 creates a new patch. It takes one mandatory argument, the
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182 name to use for the patch file. The newly created patch is
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183 created empty by default. It is added to the <filename
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184 role="special">series</filename> file after the current
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185 topmost applied patch, and is immediately pushed on top of
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186 that patch.</para>
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187
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188 <para>If <command role="hg-ext-mq">qnew</command> finds modified
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189 files in the working directory, it will refuse to create a new
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190 patch unless the <option
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191 role="hg-ext-mq-cmd-qnew-opt">-f</option> option is used
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192 (see below). This behaviour allows you to <command
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193 role="hg-ext-mq">qrefresh</command> your topmost applied
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194 patch before you apply a new patch on top of it.</para>
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195
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196 <para>Options:</para>
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197 <itemizedlist>
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198 <listitem><para><option
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199 role="hg-ext-mq-cmd-qnew-opt">-f</option>: Create a new
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200 patch if the contents of the working directory are
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201 modified. Any outstanding modifications are added to the
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202 newly created patch, so after this command completes, the
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203 working directory will no longer be modified.</para>
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204 </listitem>
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205 <listitem><para><option
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206 role="hg-ext-mq-cmd-qnew-opt">-m</option>: Use the given
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207 text as the commit message. This text will be stored at
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208 the beginning of the patch file, before the patch
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209 data.</para>
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210 </listitem></itemizedlist>
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211
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212 </sect2>
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213 <sect2>
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214 <title><command role="hg-ext-mq">qnext</command>&emdash;print
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215 the name of the next patch</title>
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216
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217 <para>The <command role="hg-ext-mq">qnext</command> command
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218 prints the name name of the next patch in the <filename
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219 role="special">series</filename> file after the topmost
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220 applied patch. This patch will become the topmost applied
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221 patch if you run <command
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222 role="hg-ext-mq">qpush</command>.</para>
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223
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224 </sect2>
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225 <sect2>
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226 <title><command role="hg-ext-mq">qpop</command>&emdash;pop
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227 patches off the stack</title>
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228
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229 <para>The <command role="hg-ext-mq">qpop</command> command
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230 removes applied patches from the top of the stack of applied
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231 patches. By default, it removes only one patch.</para>
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232
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233 <para>This command removes the changesets that represent the
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234 popped patches from the repository, and updates the working
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235 directory to undo the effects of the patches.</para>
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236
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237 <para>This command takes an optional argument, which it uses as
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238 the name or index of the patch to pop to. If given a name, it
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239 will pop patches until the named patch is the topmost applied
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240 patch. If given a number, <command
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241 role="hg-ext-mq">qpop</command> treats the number as an
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242 index into the entries in the series file, counting from zero
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243 (empty lines and lines containing only comments do not count).
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244 It pops patches until the patch identified by the given index
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245 is the topmost applied patch.</para>
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246
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247 <para>The <command role="hg-ext-mq">qpop</command> command does
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248 not read or write patches or the <filename
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249 role="special">series</filename> file. It is thus safe to
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250 <command role="hg-ext-mq">qpop</command> a patch that you have
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251 removed from the <filename role="special">series</filename>
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252 file, or a patch that you have renamed or deleted entirely.
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253 In the latter two cases, use the name of the patch as it was
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254 when you applied it.</para>
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255
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256 <para>By default, the <command role="hg-ext-mq">qpop</command>
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257 command will not pop any patches if the working directory has
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258 been modified. You can override this behaviour using the
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259 <option role="hg-ext-mq-cmd-qpop-opt">-f</option> option,
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260 which reverts all modifications in the working
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261 directory.</para>
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262
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263 <para>Options:</para>
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264 <itemizedlist>
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265 <listitem><para><option
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266 role="hg-ext-mq-cmd-qpop-opt">-a</option>: Pop all
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267 applied patches. This returns the repository to its state
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268 before you applied any patches.</para>
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269 </listitem>
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270 <listitem><para><option
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271 role="hg-ext-mq-cmd-qpop-opt">-f</option>: Forcibly
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272 revert any modifications to the working directory when
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273 popping.</para>
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274 </listitem>
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275 <listitem><para><option
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276 role="hg-ext-mq-cmd-qpop-opt">-n</option>: Pop a patch
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277 from the named queue.</para>
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278 </listitem></itemizedlist>
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279
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280 <para>The <command role="hg-ext-mq">qpop</command> command
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281 removes one line from the end of the <filename
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282 role="special">status</filename> file for each patch that it
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283 pops.</para>
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284
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285 </sect2>
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286 <sect2>
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287 <title><command role="hg-ext-mq">qprev</command>&emdash;print
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288 the name of the previous patch</title>
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289
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290 <para>The <command role="hg-ext-mq">qprev</command> command
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291 prints the name of the patch in the <filename
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292 role="special">series</filename> file that comes before the
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293 topmost applied patch. This will become the topmost applied
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294 patch if you run <command
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295 role="hg-ext-mq">qpop</command>.</para>
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296
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297 </sect2>
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298 <sect2 id="sec:mqref:cmd:qpush">
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299 <title><command role="hg-ext-mq">qpush</command>&emdash;push
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300 patches onto the stack</title>
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301
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302 <para>The <command role="hg-ext-mq">qpush</command> command adds
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303 patches onto the applied stack. By default, it adds only one
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304 patch.</para>
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305
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306 <para>This command creates a new changeset to represent each
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307 applied patch, and updates the working directory to apply the
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308 effects of the patches.</para>
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309
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310 <para>The default data used when creating a changeset are as
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311 follows:</para>
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312 <itemizedlist>
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313 <listitem><para>The commit date and time zone are the current
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314 date and time zone. Because these data are used to
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315 compute the identity of a changeset, this means that if
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316 you <command role="hg-ext-mq">qpop</command> a patch and
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317 <command role="hg-ext-mq">qpush</command> it again, the
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318 changeset that you push will have a different identity
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319 than the changeset you popped.</para>
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320 </listitem>
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321 <listitem><para>The author is the same as the default used by
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322 the <command role="hg-cmd">hg commit</command>
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323 command.</para>
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324 </listitem>
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325 <listitem><para>The commit message is any text from the patch
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326 file that comes before the first diff header. If there is
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327 no such text, a default commit message is used that
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328 identifies the name of the patch.</para>
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329 </listitem></itemizedlist>
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330 <para>If a patch contains a Mercurial patch header (XXX add
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331 link), the information in the patch header overrides these
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332 defaults.</para>
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333
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334 <para>Options:</para>
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335 <itemizedlist>
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336 <listitem><para><option
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337 role="hg-ext-mq-cmd-qpush-opt">-a</option>: Push all
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338 unapplied patches from the <filename
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339 role="special">series</filename> file until there are
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340 none left to push.</para>
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341 </listitem>
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342 <listitem><para><option
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343 role="hg-ext-mq-cmd-qpush-opt">-l</option>: Add the name
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344 of the patch to the end of the commit message.</para>
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345 </listitem>
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346 <listitem><para><option
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347 role="hg-ext-mq-cmd-qpush-opt">-m</option>: If a patch
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348 fails to apply cleanly, use the entry for the patch in
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349 another saved queue to compute the parameters for a
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350 three-way merge, and perform a three-way merge using the
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351 normal Mercurial merge machinery. Use the resolution of
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352 the merge as the new patch content.</para>
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353 </listitem>
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354 <listitem><para><option
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355 role="hg-ext-mq-cmd-qpush-opt">-n</option>: Use the
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356 named queue if merging while pushing.</para>
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bos@559
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357 </listitem></itemizedlist>
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358
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bos@559
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359 <para>The <command role="hg-ext-mq">qpush</command> command
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360 reads, but does not modify, the <filename
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361 role="special">series</filename> file. It appends one line
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362 to the <command role="hg-cmd">hg status</command> file for
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363 each patch that it pushes.</para>
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364
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365 </sect2>
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bos@559
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366 <sect2>
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bos@559
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367 <title><command
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368 role="hg-ext-mq">qrefresh</command>&emdash;update the
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369 topmost applied patch</title>
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370
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bos@559
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371 <para>The <command role="hg-ext-mq">qrefresh</command> command
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372 updates the topmost applied patch. It modifies the patch,
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373 removes the old changeset that represented the patch, and
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374 creates a new changeset to represent the modified
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375 patch.</para>
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376
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bos@559
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377 <para>The <command role="hg-ext-mq">qrefresh</command> command
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378 looks for the following modifications:</para>
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379 <itemizedlist>
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380 <listitem><para>Changes to the commit message, i.e. the text
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381 before the first diff header in the patch file, are
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382 reflected in the new changeset that represents the
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383 patch.</para>
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384 </listitem>
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385 <listitem><para>Modifications to tracked files in the working
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386 directory are added to the patch.</para>
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387 </listitem>
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bos@559
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388 <listitem><para>Changes to the files tracked using <command
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389 role="hg-cmd">hg add</command>, <command
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390 role="hg-cmd">hg copy</command>, <command
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391 role="hg-cmd">hg remove</command>, or <command
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392 role="hg-cmd">hg rename</command>. Added files and copy
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393 and rename destinations are added to the patch, while
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394 removed files and rename sources are removed.</para>
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395 </listitem></itemizedlist>
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396
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397 <para>Even if <command role="hg-ext-mq">qrefresh</command>
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398 detects no changes, it still recreates the changeset that
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399 represents the patch. This causes the identity of the
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400 changeset to differ from the previous changeset that
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401 identified the patch.</para>
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402
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403 <para>Options:</para>
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404 <itemizedlist>
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405 <listitem><para><option
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406 role="hg-ext-mq-cmd-qrefresh-opt">-e</option>: Modify
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407 the commit and patch description, using the preferred text
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|
408 editor.</para>
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409 </listitem>
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bos@559
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410 <listitem><para><option
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411 role="hg-ext-mq-cmd-qrefresh-opt">-m</option>: Modify
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412 the commit message and patch description, using the given
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413 text.</para>
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414 </listitem>
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bos@559
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415 <listitem><para><option
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416 role="hg-ext-mq-cmd-qrefresh-opt">-l</option>: Modify
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417 the commit message and patch description, using text from
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418 the given file.</para>
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419 </listitem></itemizedlist>
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420
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421 </sect2>
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422 <sect2>
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bos@559
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423 <title><command role="hg-ext-mq">qrename</command>&emdash;rename
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424 a patch</title>
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425
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426 <para>The <command role="hg-ext-mq">qrename</command> command
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427 renames a patch, and changes the entry for the patch in the
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428 <filename role="special">series</filename> file.</para>
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429
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430 <para>With a single argument, <command
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431 role="hg-ext-mq">qrename</command> renames the topmost
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432 applied patch. With two arguments, it renames its first
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433 argument to its second.</para>
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434
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435 </sect2>
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bos@559
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436 <sect2>
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437 <title><command
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438 role="hg-ext-mq">qrestore</command>&emdash;restore saved
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439 queue state</title>
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440
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441 <para>XXX No idea what this does.</para>
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442
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443 </sect2>
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bos@559
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444 <sect2>
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445 <title><command role="hg-ext-mq">qsave</command>&emdash;save
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446 current queue state</title>
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447
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448 <para>XXX Likewise.</para>
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449
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450 </sect2>
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451 <sect2>
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452 <title><command role="hg-ext-mq">qseries</command>&emdash;print
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453 the entire patch series</title>
|
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454
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455 <para>The <command role="hg-ext-mq">qseries</command> command
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456 prints the entire patch series from the <filename
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457 role="special">series</filename> file. It prints only patch
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458 names, not empty lines or comments. It prints in order from
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459 first to be applied to last.</para>
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460
|
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461 </sect2>
|
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462 <sect2>
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463 <title><command role="hg-ext-mq">qtop</command>&emdash;print the
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464 name of the current patch</title>
|
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465
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466 <para>The <command role="hg-ext-mq">qtop</command> prints the
|
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467 name of the topmost currently applied patch.</para>
|
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468
|
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469 </sect2>
|
bos@559
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470 <sect2>
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471 <title><command
|
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|
472 role="hg-ext-mq">qunapplied</command>&emdash;print patches
|
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|
473 not yet applied</title>
|
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474
|
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|
475 <para>The <command role="hg-ext-mq">qunapplied</command> command
|
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|
476 prints the names of patches from the <filename
|
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|
477 role="special">series</filename> file that are not yet
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|
478 applied. It prints them in order from the next patch that
|
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|
479 will be pushed to the last.</para>
|
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|
480
|
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|
481 </sect2>
|
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482 <sect2>
|
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|
483 <title><command role="hg-cmd">hg strip</command>&emdash;remove a
|
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|
484 revision and descendants</title>
|
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|
485
|
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|
486 <para>The <command role="hg-cmd">hg strip</command> command
|
bos@559
|
487 removes a revision, and all of its descendants, from the
|
bos@559
|
488 repository. It undoes the effects of the removed revisions
|
bos@559
|
489 from the repository, and updates the working directory to the
|
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|
490 first parent of the removed revision.</para>
|
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|
491
|
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|
492 <para>The <command role="hg-cmd">hg strip</command> command
|
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|
493 saves a backup of the removed changesets in a bundle, so that
|
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|
494 they can be reapplied if removed in error.</para>
|
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495
|
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|
496 <para>Options:</para>
|
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|
497 <itemizedlist>
|
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|
498 <listitem><para><option role="hg-opt-strip">-b</option>: Save
|
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|
499 unrelated changesets that are intermixed with the stripped
|
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|
500 changesets in the backup bundle.</para>
|
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|
501 </listitem>
|
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|
502 <listitem><para><option role="hg-opt-strip">-f</option>: If a
|
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|
503 branch has multiple heads, remove all heads. XXX This
|
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|
504 should be renamed, and use <literal>-f</literal> to strip
|
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|
505 revs when there are pending changes.</para>
|
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|
506 </listitem>
|
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|
507 <listitem><para><option role="hg-opt-strip">-n</option>: Do
|
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|
508 not save a backup bundle.</para>
|
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|
509 </listitem></itemizedlist>
|
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|
510
|
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|
511 </sect2>
|
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|
512 </sect1>
|
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|
513 <sect1>
|
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|
514 <title>MQ file reference</title>
|
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|
515
|
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|
516 <sect2>
|
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|
517 <title>The <filename role="special">series</filename>
|
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|
518 file</title>
|
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|
519
|
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|
520 <para>The <filename role="special">series</filename> file
|
bos@559
|
521 contains a list of the names of all patches that MQ can apply.
|
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|
522 It is represented as a list of names, with one name saved per
|
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|
523 line. Leading and trailing white space in each line are
|
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|
524 ignored.</para>
|
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|
525
|
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|
526 <para>Lines may contain comments. A comment begins with the
|
bos@559
|
527 <quote><literal>#</literal></quote> character, and extends to
|
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|
528 the end of the line. Empty lines, and lines that contain only
|
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|
529 comments, are ignored.</para>
|
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|
530
|
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|
531 <para>You will often need to edit the <filename
|
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|
532 role="special">series</filename> file by hand, hence the
|
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|
533 support for comments and empty lines noted above. For
|
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|
534 example, you can comment out a patch temporarily, and <command
|
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|
535 role="hg-ext-mq">qpush</command> will skip over that patch
|
bos@559
|
536 when applying patches. You can also change the order in which
|
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|
537 patches are applied by reordering their entries in the
|
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|
538 <filename role="special">series</filename> file.</para>
|
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|
539
|
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|
540 <para>Placing the <filename role="special">series</filename>
|
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|
541 file under revision control is also supported; it is a good
|
bos@559
|
542 idea to place all of the patches that it refers to under
|
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|
543 revision control, as well. If you create a patch directory
|
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|
544 using the <option role="hg-ext-mq-cmd-qinit-opt">-c</option>
|
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|
545 option to <command role="hg-ext-mq">qinit</command>, this will
|
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|
546 be done for you automatically.</para>
|
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|
547
|
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|
548 </sect2>
|
bos@559
|
549 <sect2>
|
bos@559
|
550 <title>The <filename role="special">status</filename>
|
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|
551 file</title>
|
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|
552
|
bos@559
|
553 <para>The <filename role="special">status</filename> file
|
bos@559
|
554 contains the names and changeset hashes of all patches that MQ
|
bos@559
|
555 currently has applied. Unlike the <filename
|
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|
556 role="special">series</filename> file, this file is not
|
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|
557 intended for editing. You should not place this file under
|
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|
558 revision control, or modify it in any way. It is used by MQ
|
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|
559 strictly for internal book-keeping.</para>
|
bos@559
|
560
|
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|
561 </sect2>
|
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|
562 </sect1>
|
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|
563 </appendix>
|
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|
564
|
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|
565 <!--
|
bos@559
|
566 local variables:
|
bos@559
|
567 sgml-parent-document: ("00book.xml" "book" "appendix")
|
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|
568 end:
|
bos@559
|
569 -->
|