hgbook
annotate en/examples/ch09/check_whitespace.py.lst @ 1114:527b86d55d4a
inotify: update installation information
inotify is shipped in Mercurial since 1.0, which greatly simplifies the installation process
inotify is shipped in Mercurial since 1.0, which greatly simplifies the installation process
author | Nicolas Dumazet <nicdumz.commits@gmail.com> |
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date | Sun Dec 13 16:35:56 2009 +0900 (2009-12-13) |
parents | e3894bb9d1f5 |
children |
rev | line source |
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bos@694 | 1 #!/usr/bin/env python |
bos@694 | 2 # |
bos@694 | 3 # save as .hg/check_whitespace.py and make executable |
bos@44 | 4 |
bos@49 | 5 import re |
bos@44 | 6 |
bos@49 | 7 def trailing_whitespace(difflines): |
bos@694 | 8 # |
bos@694 | 9 linenum, header = 0, False |
bos@44 | 10 |
bos@49 | 11 for line in difflines: |
bos@49 | 12 if header: |
bos@65 | 13 # remember the name of the file that this diff affects |
bos@65 | 14 m = re.match(r'(?:---|\+\+\+) ([^\t]+)', line) |
bos@65 | 15 if m and m.group(1) != '/dev/null': |
bos@65 | 16 filename = m.group(1).split('/', 1)[-1] |
bos@49 | 17 if line.startswith('+++ '): |
bos@49 | 18 header = False |
bos@49 | 19 continue |
bos@49 | 20 if line.startswith('diff '): |
bos@49 | 21 header = True |
bos@49 | 22 continue |
bos@49 | 23 # hunk header - save the line number |
bos@65 | 24 m = re.match(r'@@ -\d+,\d+ \+(\d+),', line) |
bos@49 | 25 if m: |
bos@49 | 26 linenum = int(m.group(1)) |
bos@49 | 27 continue |
bos@49 | 28 # hunk body - check for an added line with trailing whitespace |
bos@49 | 29 m = re.match(r'\+.*\s$', line) |
bos@49 | 30 if m: |
bos@694 | 31 yield filename, linenum |
bos@49 | 32 if line and line[0] in ' +': |
bos@49 | 33 linenum += 1 |
bos@44 | 34 |
bos@49 | 35 if __name__ == '__main__': |
bos@49 | 36 import os, sys |
bos@49 | 37 |
bos@694 | 38 added = 0 |
bos@694 | 39 for filename, linenum in trailing_whitespace(os.popen('hg export tip')): |
bos@694 | 40 print >> sys.stderr, ('%s, line %d: trailing whitespace added' % |
bos@694 | 41 (filename, linenum)) |
bos@694 | 42 added += 1 |
bos@49 | 43 if added: |
bos@49 | 44 # save the commit message so we don't need to retype it |
bos@49 | 45 os.system('hg tip --template "{desc}" > .hg/commit.save') |
bos@49 | 46 print >> sys.stderr, 'commit message saved to .hg/commit.save' |
bos@49 | 47 sys.exit(1) |