Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/ignore.py @ 5456:a58d415b272e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix typo
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Thu, 11 Oct 2007 16:28:30 +0200
parents fae670ee6c6d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # ignore.py - ignored file handling for mercurial
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2 #
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3 # Copyright 2007 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from i18n import _
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9 import util
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10
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11 def _parselines(fp):
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12 for line in fp:
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13 if not line.endswith('\n'):
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14 line += '\n'
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15 escape = False
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16 for i in xrange(len(line)):
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17 if escape: escape = False
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18 elif line[i] == '\\': escape = True
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19 elif line[i] == '#': break
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20 line = line[:i].rstrip()
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21 if line:
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22 yield line
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23
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24 def ignore(root, files, warn):
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25 '''return the contents of .hgignore files as a list of patterns.
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26
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27 the files parsed for patterns include:
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28 .hgignore in the repository root
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29 any additional files specified in the [ui] section of ~/.hgrc
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30
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31 trailing white space is dropped.
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32 the escape character is backslash.
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33 comments start with #.
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34 empty lines are skipped.
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35
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36 lines can be of the following formats:
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37
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38 syntax: regexp # defaults following lines to non-rooted regexps
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39 syntax: glob # defaults following lines to non-rooted globs
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40 re:pattern # non-rooted regular expression
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41 glob:pattern # non-rooted glob
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42 pattern # pattern of the current default type'''
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43
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44 syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:'}
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45 pats = {}
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46 for f in files:
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47 try:
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48 pats[f] = []
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49 fp = open(f)
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50 syntax = 'relre:'
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51 for line in _parselines(fp):
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52 if line.startswith('syntax:'):
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53 s = line[7:].strip()
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54 try:
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55 syntax = syntaxes[s]
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56 except KeyError:
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57 warn(_("%s: ignoring invalid syntax '%s'\n") % (f, s))
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58 continue
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59 pat = syntax + line
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60 for s, rels in syntaxes.items():
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61 if line.startswith(rels):
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62 pat = line
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63 break
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64 elif line.startswith(s+':'):
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65 pat = rels + line[len(s)+1:]
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66 break
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67 pats[f].append(pat)
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68 except IOError, inst:
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69 if f != files[0]:
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70 warn(_("skipping unreadable ignore file '%s': %s\n") %
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71 (f, inst.strerror))
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72
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73 allpats = []
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74 [allpats.extend(patlist) for patlist in pats.values()]
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75 if not allpats:
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76 return util.never
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77
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78 try:
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79 files, ignorefunc, anypats = (
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80 util.matcher(root, inc=allpats, src='.hgignore'))
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81 except util.Abort:
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82 # Re-raise an exception where the src is the right file
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83 for f, patlist in pats.items():
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84 files, ignorefunc, anypats = (
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85 util.matcher(root, inc=patlist, src=f))
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86
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87 return ignorefunc