annotate en/examples/data/check_whitespace.py @ 49:18210d46491f
More hook content.
| author |
Bryan O'Sullivan <bos@serpentine.com> |
| date |
Tue Jul 25 00:18:31 2006 -0700 (2006-07-25) |
| parents |
012df94a02fe |
| children |
e3894bb9d1f5 |
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line source |
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1 #!/usr/bin/python
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2
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3 import re
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4
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5 def trailing_whitespace(difflines):
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6 added, linenum, header = [], 0, False
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7
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8 for line in difflines:
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9 if header:
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10 if line.startswith('+++ '):
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11 header = False
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12 else:
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13 # remember the name of the file that this diff affects
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14 m = re.match(r'--- [^/]/([^\t])', line)
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15 if m: filename = m.group(1)
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16 continue
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17 if line.startswith('diff '):
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18 header = True
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19 continue
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20 # hunk header - save the line number
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21 m = re.match(r'@@ -(\d+),', line)
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22 if m:
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23 linenum = int(m.group(1))
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24 continue
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25 # hunk body - check for an added line with trailing whitespace
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26 m = re.match(r'\+.*\s$', line)
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27 if m:
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28 added.append((filename, linenum))
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29 if line and line[0] in ' +':
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30 linenum += 1
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31 return added
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32
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33 if __name__ == '__main__':
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34 import os, sys
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35
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36 added = trailing_whitespace(os.popen('hg export tip'))
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37 if added:
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38 for filename, linenum in added:
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39 print >> sys.stderr, ('%s, line %d: trailing whitespace added' %
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40 (filename, linenum))
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41 # save the commit message so we don't need to retype it
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42 os.system('hg tip --template "{desc}" > .hg/commit.save')
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43 print >> sys.stderr, 'commit message saved to .hg/commit.save'
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44 sys.exit(1)
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