annotate mercurial/match.py @ 25193:ccb1623266eb stable

context: don't complain about a matcher's subrepo paths in changectx.walk() Previously, the first added test printed the following: $ hg files -S -r '.^' sub1/sub2/folder sub1/sub2/folder: no such file in rev 9bb10eebee29 sub1/sub2/folder: no such file in rev 9bb10eebee29 sub1/sub2/folder/test.txt One warning occured each time a subrepo was crossed into. The second test ensures that the matcher copy stays in place. Without the copy, the bad() function becomes an increasingly longer chain, and no message would be printed out for a file missing in the subrepo because the predicate would match in one of the replaced methods. Manifest doesn't know anything about subrepos, so it needs help ignoring subrepos when complaining about bad files.
author Matt Harbison <matt_harbison@yahoo.com>
date Sun, 17 May 2015 01:06:10 -0400
parents baa11dde8c0e
children d1d69ca78883 ef4538ba67ef
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rev   line source
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1 # match.py - filename matching
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2 #
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3 # Copyright 2008, 2009 Matt Mackall <mpm@selenic.com> and others
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 import re
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9 import util, pathutil
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10 from i18n import _
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11
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12 propertycache = util.propertycache
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13
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14 def _rematcher(regex):
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15 '''compile the regexp with the best available regexp engine and return a
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16 matcher function'''
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17 m = util.re.compile(regex)
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18 try:
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19 # slightly faster, provided by facebook's re2 bindings
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20 return m.test_match
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21 except AttributeError:
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22 return m.match
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23
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24 def _expandsets(kindpats, ctx):
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25 '''Returns the kindpats list with the 'set' patterns expanded.'''
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26 fset = set()
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27 other = []
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28
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29 for kind, pat in kindpats:
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30 if kind == 'set':
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31 if not ctx:
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32 raise util.Abort("fileset expression with no context")
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33 s = ctx.getfileset(pat)
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34 fset.update(s)
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35 continue
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36 other.append((kind, pat))
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37 return fset, other
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38
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39 def _kindpatsalwaysmatch(kindpats):
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40 """"Checks whether the kindspats match everything, as e.g.
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41 'relpath:.' does.
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42 """
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43 for kind, pat in kindpats:
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44 if pat != '' or kind not in ['relpath', 'glob']:
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45 return False
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46 return True
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47
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48 class match(object):
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49 def __init__(self, root, cwd, patterns, include=[], exclude=[],
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50 default='glob', exact=False, auditor=None, ctx=None):
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51 """build an object to match a set of file patterns
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52
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53 arguments:
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54 root - the canonical root of the tree you're matching against
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55 cwd - the current working directory, if relevant
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56 patterns - patterns to find
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57 include - patterns to include (unless they are excluded)
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58 exclude - patterns to exclude (even if they are included)
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59 default - if a pattern in patterns has no explicit type, assume this one
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60 exact - patterns are actually filenames (include/exclude still apply)
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61
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62 a pattern is one of:
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63 'glob:<glob>' - a glob relative to cwd
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64 're:<regexp>' - a regular expression
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65 'path:<path>' - a path relative to repository root
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66 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs)
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67 'relpath:<path>' - a path relative to cwd
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68 'relre:<regexp>' - a regexp that needn't match the start of a name
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69 'set:<fileset>' - a fileset expression
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70 '<something>' - a pattern of the specified default type
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71 """
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72
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73 self._root = root
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74 self._cwd = cwd
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75 self._files = [] # exact files and roots of patterns
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76 self._anypats = bool(include or exclude)
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77 self._always = False
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78 self._pathrestricted = bool(include or exclude or patterns)
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79
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80 matchfns = []
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81 if include:
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82 kindpats = self._normalize(include, 'glob', root, cwd, auditor)
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83 self.includepat, im = _buildmatch(ctx, kindpats, '(?:/|$)')
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84 matchfns.append(im)
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85 if exclude:
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86 kindpats = self._normalize(exclude, 'glob', root, cwd, auditor)
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87 self.excludepat, em = _buildmatch(ctx, kindpats, '(?:/|$)')
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88 matchfns.append(lambda f: not em(f))
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89 if exact:
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90 if isinstance(patterns, list):
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91 self._files = patterns
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92 else:
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93 self._files = list(patterns)
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94 matchfns.append(self.exact)
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95 elif patterns:
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96 kindpats = self._normalize(patterns, default, root, cwd, auditor)
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97 if not _kindpatsalwaysmatch(kindpats):
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98 self._files = _roots(kindpats)
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99 self._anypats = self._anypats or _anypats(kindpats)
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100 self.patternspat, pm = _buildmatch(ctx, kindpats, '$')
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101 matchfns.append(pm)
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102
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103 if not matchfns:
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104 m = util.always
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105 self._always = True
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106 elif len(matchfns) == 1:
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107 m = matchfns[0]
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108 else:
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109 def m(f):
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110 for matchfn in matchfns:
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111 if not matchfn(f):
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112 return False
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113 return True
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114
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115 self.matchfn = m
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116 self._fmap = set(self._files)
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117
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118 def __call__(self, fn):
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119 return self.matchfn(fn)
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120 def __iter__(self):
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121 for f in self._files:
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122 yield f
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123
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124 # Callbacks related to how the matcher is used by dirstate.walk.
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125 # Subscribers to these events must monkeypatch the matcher object.
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126 def bad(self, f, msg):
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127 '''Callback from dirstate.walk for each explicit file that can't be
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128 found/accessed, with an error message.'''
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129 pass
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130
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131 # If an explicitdir is set, it will be called when an explicitly listed
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132 # directory is visited.
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133 explicitdir = None
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134
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135 # If an traversedir is set, it will be called when a directory discovered
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136 # by recursive traversal is visited.
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137 traversedir = None
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138
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139 def abs(self, f):
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140 '''Convert a repo path back to path that is relative to the root of the
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141 matcher.'''
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142 return f
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143
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144 def rel(self, f):
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145 '''Convert repo path back to path that is relative to cwd of matcher.'''
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146 return util.pathto(self._root, self._cwd, f)
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147
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148 def uipath(self, f):
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149 '''Convert repo path to a display path. If patterns or -I/-X were used
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150 to create this matcher, the display path will be relative to cwd.
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151 Otherwise it is relative to the root of the repo.'''
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152 return (self._pathrestricted and self.rel(f)) or self.abs(f)
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153
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154 def files(self):
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155 '''Explicitly listed files or patterns or roots:
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156 if no patterns or .always(): empty list,
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157 if exact: list exact files,
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158 if not .anypats(): list all files and dirs,
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159 else: optimal roots'''
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160 return self._files
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161
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162 @propertycache
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163 def _dirs(self):
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164 return set(util.dirs(self._fmap)) | set(['.'])
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165
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166 def visitdir(self, dir):
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167 '''Helps while traversing a directory tree. Returns the string 'all' if
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168 the given directory and all subdirectories should be visited. Otherwise
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169 returns True or False indicating whether the given directory should be
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170 visited. If 'all' is returned, calling this method on a subdirectory
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171 gives an undefined result.'''
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172 if not self._fmap or self.exact(dir):
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173 return 'all'
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174 return dir in self._dirs
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175
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176 def exact(self, f):
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177 '''Returns True if f is in .files().'''
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178 return f in self._fmap
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179
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180 def anypats(self):
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181 '''Matcher uses patterns or include/exclude.'''
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182 return self._anypats
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183
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184 def always(self):
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185 '''Matcher will match everything and .files() will be empty
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186 - optimization might be possible and necessary.'''
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187 return self._always
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188
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189 def isexact(self):
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190 return self.matchfn == self.exact
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191
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192 def _normalize(self, patterns, default, root, cwd, auditor):
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193 '''Convert 'kind:pat' from the patterns list to tuples with kind and
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194 normalized and rooted patterns and with listfiles expanded.'''
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195 kindpats = []
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196 for kind, pat in [_patsplit(p, default) for p in patterns]:
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197 if kind in ('glob', 'relpath'):
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198 pat = pathutil.canonpath(root, cwd, pat, auditor)
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199 elif kind in ('relglob', 'path'):
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200 pat = util.normpath(pat)
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201 elif kind in ('listfile', 'listfile0'):
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202 try:
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203 files = util.readfile(pat)
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204 if kind == 'listfile0':
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205 files = files.split('\0')
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206 else:
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207 files = files.splitlines()
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208 files = [f for f in files if f]
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209 except EnvironmentError:
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210 raise util.Abort(_("unable to read file list (%s)") % pat)
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211 kindpats += self._normalize(files, default, root, cwd, auditor)
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212 continue
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213 # else: re or relre - which cannot be normalized
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214 kindpats.append((kind, pat))
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215 return kindpats
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216
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217 def exact(root, cwd, files):
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218 return match(root, cwd, files, exact=True)
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219
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220 def always(root, cwd):
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221 return match(root, cwd, [])
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222
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223 class narrowmatcher(match):
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224 """Adapt a matcher to work on a subdirectory only.
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225
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226 The paths are remapped to remove/insert the path as needed:
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227
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228 >>> m1 = match('root', '', ['a.txt', 'sub/b.txt'])
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229 >>> m2 = narrowmatcher('sub', m1)
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230 >>> bool(m2('a.txt'))
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231 False
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232 >>> bool(m2('b.txt'))
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233 True
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234 >>> bool(m2.matchfn('a.txt'))
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235 False
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236 >>> bool(m2.matchfn('b.txt'))
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237 True
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238 >>> m2.files()
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239 ['b.txt']
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240 >>> m2.exact('b.txt')
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241 True
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242 >>> util.pconvert(m2.rel('b.txt'))
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243 'sub/b.txt'
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244 >>> def bad(f, msg):
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245 ... print "%s: %s" % (f, msg)
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246 >>> m1.bad = bad
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247 >>> m2.bad('x.txt', 'No such file')
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248 sub/x.txt: No such file
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249 >>> m2.abs('c.txt')
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250 'sub/c.txt'
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251 """
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252
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diff changeset
253 def __init__(self, path, matcher):
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diff changeset
254 self._root = matcher._root
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255 self._cwd = matcher._cwd
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256 self._path = path
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257 self._matcher = matcher
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diff changeset
258 self._always = matcher._always
23480
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259 self._pathrestricted = matcher._pathrestricted
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diff changeset
260
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diff changeset
261 self._files = [f[len(path) + 1:] for f in matcher._files
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diff changeset
262 if f.startswith(path + "/")]
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diff changeset
263 self._anypats = matcher._anypats
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diff changeset
264 self.matchfn = lambda fn: matcher.matchfn(self._path + "/" + fn)
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diff changeset
265 self._fmap = set(self._files)
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diff changeset
266
23685
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parents: 23549
diff changeset
267 def abs(self, f):
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
268 return self._matcher.abs(self._path + "/" + f)
5b1eac343ccd match: add the abs() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23549
diff changeset
269
12268
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
270 def bad(self, f, msg):
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
271 self._matcher.bad(self._path + "/" + f, msg)
83aaeba32b88 narrowmatcher: propagate bad method
Martin Geisler <mg@lazybytes.net>
parents: 12267
diff changeset
272
23686
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
273 def rel(self, f):
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
274 return self._matcher.rel(self._path + "/" + f)
164915e8ef7b narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents: 23685
diff changeset
275
24790
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
276 class icasefsmatcher(match):
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
277 """A matcher for wdir on case insensitive filesystems, which normalizes the
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
278 given patterns to the case in the filesystem.
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
279 """
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
280
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
281 def __init__(self, root, cwd, patterns, include, exclude, default, auditor,
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
282 ctx):
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
283 init = super(icasefsmatcher, self).__init__
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
284 self._dsnormalize = ctx.repo().dirstate.normalize
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
285
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
286 init(root, cwd, patterns, include, exclude, default, auditor=auditor,
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
287 ctx=ctx)
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
288
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
289 # m.exact(file) must be based off of the actual user input, otherwise
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
290 # inexact case matches are treated as exact, and not noted without -v.
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
291 if self._files:
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
292 self._fmap = set(_roots(self._kp))
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
293
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
294 def _normalize(self, patterns, default, root, cwd, auditor):
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
295 self._kp = super(icasefsmatcher, self)._normalize(patterns, default,
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
296 root, cwd, auditor)
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
297 kindpats = []
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
298 for kind, pats in self._kp:
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
299 if kind not in ('re', 'relre'): # regex can't be normalized
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
300 pats = self._dsnormalize(pats)
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
301 kindpats.append((kind, pats))
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
302 return kindpats
baa11dde8c0e match: add a subclass for dirstate normalizing of the matched patterns
Matt Harbison <matt_harbison@yahoo.com>
parents: 24789
diff changeset
303
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
304 def patkind(pattern, default=None):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
305 '''If pattern is 'kind:pat' with a known kind, return kind.'''
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
306 return _patsplit(pattern, default)[0]
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
307
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
308 def _patsplit(pattern, default):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
309 """Split a string into the optional pattern kind prefix and the actual
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
310 pattern."""
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
311 if ':' in pattern:
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
312 kind, pat = pattern.split(':', 1)
13218
1f4721de2ca9 match: support reading pattern lists from files
Steve Borho <steve@borho.org>
parents: 12268
diff changeset
313 if kind in ('re', 'glob', 'path', 'relglob', 'relpath', 'relre',
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
314 'listfile', 'listfile0', 'set'):
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
315 return kind, pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
316 return default, pattern
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
317
8582
a4c199e12b5a match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents: 8581
diff changeset
318 def _globre(pat):
21112
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
319 r'''Convert an extended glob string to a regexp string.
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
320
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
321 >>> print _globre(r'?')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
322 .
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
323 >>> print _globre(r'*')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
324 [^/]*
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
325 >>> print _globre(r'**')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
326 .*
21815
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
327 >>> print _globre(r'**/a')
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
328 (?:.*/)?a
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
329 >>> print _globre(r'a/**/b')
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
330 a\/(?:.*/)?b
21112
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
331 >>> print _globre(r'[a*?!^][^b][!c]')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
332 [a*?!^][\^b][^c]
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
333 >>> print _globre(r'{a,b}')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
334 (?:a|b)
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
335 >>> print _globre(r'.\*\?')
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
336 \.\*\?
03782d2fc776 match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents: 21111
diff changeset
337 '''
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
338 i, n = 0, len(pat)
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
339 res = ''
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
340 group = 0
21915
d516b6de3821 match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents: 21909
diff changeset
341 escape = util.re.escape
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
342 def peek():
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
343 return i < n and pat[i]
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
344 while i < n:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
345 c = pat[i]
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10263
diff changeset
346 i += 1
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
347 if c not in '*?[{},\\':
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
348 res += escape(c)
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
349 elif c == '*':
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
350 if peek() == '*':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
351 i += 1
21815
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
352 if peek() == '/':
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
353 i += 1
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
354 res += '(?:.*/)?'
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
355 else:
a4b67bf1f0a5 match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents: 21191
diff changeset
356 res += '.*'
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
357 else:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
358 res += '[^/]*'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
359 elif c == '?':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
360 res += '.'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
361 elif c == '[':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
362 j = i
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
363 if j < n and pat[j] in '!]':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
364 j += 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
365 while j < n and pat[j] != ']':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
366 j += 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
367 if j >= n:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
368 res += '\\['
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
369 else:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
370 stuff = pat[i:j].replace('\\','\\\\')
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
371 i = j + 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
372 if stuff[0] == '!':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
373 stuff = '^' + stuff[1:]
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
374 elif stuff[0] == '^':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
375 stuff = '\\' + stuff
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
376 res = '%s[%s]' % (res, stuff)
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
377 elif c == '{':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
378 group += 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
379 res += '(?:'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
380 elif c == '}' and group:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
381 res += ')'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
382 group -= 1
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
383 elif c == ',' and group:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
384 res += '|'
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
385 elif c == '\\':
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
386 p = peek()
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
387 if p:
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
388 i += 1
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
389 res += escape(p)
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
390 else:
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
391 res += escape(c)
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
392 else:
8583
19d1b2aec562 match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents: 8582
diff changeset
393 res += escape(c)
8582
a4c199e12b5a match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents: 8581
diff changeset
394 return res
8570
7fe2012b3bd0 match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents: 8568
diff changeset
395
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
396 def _regex(kind, pat, globsuffix):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
397 '''Convert a (normalized) pattern of any kind into a regular expression.
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
398 globsuffix is appended to the regexp of globs.'''
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
399 if not pat:
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
400 return ''
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
401 if kind == 're':
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
402 return pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
403 if kind == 'path':
21915
d516b6de3821 match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents: 21909
diff changeset
404 return '^' + util.re.escape(pat) + '(?:/|$)'
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
405 if kind == 'relglob':
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
406 return '(?:|.*/)' + _globre(pat) + globsuffix
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
407 if kind == 'relpath':
21915
d516b6de3821 match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents: 21909
diff changeset
408 return util.re.escape(pat) + '(?:/|$)'
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
409 if kind == 'relre':
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
410 if pat.startswith('^'):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
411 return pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
412 return '.*' + pat
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
413 return _globre(pat) + globsuffix
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
414
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
415 def _buildmatch(ctx, kindpats, globsuffix):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
416 '''Return regexp string and a matcher function for kindpats.
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
417 globsuffix is appended to the regexp of globs.'''
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
418 fset, kindpats = _expandsets(kindpats, ctx)
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
419 if not kindpats:
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
420 return "", fset.__contains__
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
421
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
422 regex, mf = _buildregexmatch(kindpats, globsuffix)
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
423 if fset:
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
424 return regex, lambda f: f in fset or mf(f)
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
425 return regex, mf
14675
cfc89398f710 match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents: 14674
diff changeset
426
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
427 def _buildregexmatch(kindpats, globsuffix):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
428 """Build a match function from a list of kinds and kindpats,
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
429 return regexp string and a matcher function."""
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
430 try:
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
431 regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix)
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
432 for (k, p) in kindpats])
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
433 if len(regex) > 20000:
16687
e34106fa0dc3 cleanup: "raise SomeException()" -> "raise SomeException"
Brodie Rao <brodie@sf.io>
parents: 16645
diff changeset
434 raise OverflowError
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
435 return regex, _rematcher(regex)
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
436 except OverflowError:
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
437 # We're using a Python with a tiny regex engine and we
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
438 # made it explode, so we'll divide the pattern list in two
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
439 # until it works
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
440 l = len(kindpats)
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
441 if l < 2:
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
442 raise
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
443 regexa, a = _buildregexmatch(kindpats[:l//2], globsuffix)
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
444 regexb, b = _buildregexmatch(kindpats[l//2:], globsuffix)
21191
a2f4ea82d6d3 match: fix NameError 'pat' on overflow of regex pattern length
Yuya Nishihara <yuya@tcha.org>
parents: 21113
diff changeset
445 return regex, lambda s: a(s) or b(s)
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
446 except re.error:
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
447 for k, p in kindpats:
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
448 try:
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
449 _rematcher('(?:%s)' % _regex(k, p, globsuffix))
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
450 except re.error:
12133
b046b90c4ae5 match: mark error messages for translation
Martin Geisler <mg@aragost.com>
parents: 10282
diff changeset
451 raise util.Abort(_("invalid pattern (%s): %s") % (k, p))
b046b90c4ae5 match: mark error messages for translation
Martin Geisler <mg@aragost.com>
parents: 10282
diff changeset
452 raise util.Abort(_("invalid pattern"))
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
453
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
454 def _roots(kindpats):
21079
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
455 '''return roots and exact explicitly listed files from patterns
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
456
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
457 >>> _roots([('glob', 'g/*'), ('glob', 'g'), ('glob', 'g*')])
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
458 ['g', 'g', '.']
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
459 >>> _roots([('relpath', 'r'), ('path', 'p/p'), ('path', '')])
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
460 ['r', 'p/p', '.']
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
461 >>> _roots([('relglob', 'rg*'), ('re', 're/'), ('relre', 'rr')])
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
462 ['.', '.', '.']
b02ab6486a78 match: make it more clear what _roots do and that it ends up in match()._files
Mads Kiilerich <madski@unity3d.com>
parents: 20401
diff changeset
463 '''
8576
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
464 r = []
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
465 for kind, pat in kindpats:
8584
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
466 if kind == 'glob': # find the non-glob prefix
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
467 root = []
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
468 for p in pat.split('/'):
8584
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
469 if '[' in p or '{' in p or '*' in p or '?' in p:
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
470 break
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
471 root.append(p)
0f06e72abfdc match: fold _globprefix into _roots
Matt Mackall <mpm@selenic.com>
parents: 8583
diff changeset
472 r.append('/'.join(root) or '.')
8574
63a7ed2128d5 match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents: 8573
diff changeset
473 elif kind in ('relpath', 'path'):
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
474 r.append(pat or '.')
19107
fcf08023c011 match: fix root calculation for combining regexps with simple paths
Mads Kiilerich <madski@unity3d.com>
parents: 18713
diff changeset
475 else: # relglob, re, relre
8576
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
476 r.append('.')
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
477 return r
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
478
21111
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
479 def _anypats(kindpats):
9d28fd795215 match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents: 21079
diff changeset
480 for kind, pat in kindpats:
16182
bd12ef347680 match: consider filesets as "anypats"
Patrick Mezard <patrick@mezard.eu>
parents: 15029
diff changeset
481 if kind in ('glob', 're', 'relglob', 'relre', 'set'):
8576
ec4ed21db4b2 match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents: 8575
diff changeset
482 return True