Mercurial > hg
annotate mercurial/match.py @ 26847:9f16787cbefd
util: drop Python 2.4 compat by directly importing md5 and sha1
There's been a fair amount of cruft here over the years, which we can all
just get rid of now.
author | Siddharth Agarwal <sid0@fb.com> |
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date | Sat, 24 Oct 2015 15:56:16 -0700 |
parents | 1aee2ab0f902 |
children | d500341e4f55 |
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Generally replace "file name" with "filename" in help and comments.
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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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import copy |
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11 import os |
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12 import re |
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13 |
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14 from .i18n import _ |
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15 from . import ( |
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16 error, |
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17 pathutil, |
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18 util, |
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19 ) |
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21 propertycache = util.propertycache |
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22 |
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23 def _rematcher(regex): |
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24 '''compile the regexp with the best available regexp engine and return a |
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25 matcher function''' |
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26 m = util.re.compile(regex) |
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27 try: |
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28 # slightly faster, provided by facebook's re2 bindings |
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29 return m.test_match |
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30 except AttributeError: |
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31 return m.match |
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32 |
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33 def _expandsets(kindpats, ctx, listsubrepos): |
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34 '''Returns the kindpats list with the 'set' patterns expanded.''' |
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35 fset = set() |
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36 other = [] |
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37 |
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38 for kind, pat, source in kindpats: |
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39 if kind == 'set': |
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40 if not ctx: |
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41 raise error.Abort("fileset expression with no context") |
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42 s = ctx.getfileset(pat) |
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43 fset.update(s) |
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44 |
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45 if listsubrepos: |
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46 for subpath in ctx.substate: |
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47 s = ctx.sub(subpath).getfileset(pat) |
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48 fset.update(subpath + '/' + f for f in s) |
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49 |
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50 continue |
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51 other.append((kind, pat, source)) |
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52 return fset, other |
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53 |
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54 def _expandsubinclude(kindpats, root): |
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55 '''Returns the list of subinclude matchers and the kindpats without the |
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56 subincludes in it.''' |
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57 relmatchers = [] |
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58 other = [] |
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59 |
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60 for kind, pat, source in kindpats: |
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61 if kind == 'subinclude': |
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62 sourceroot = pathutil.dirname(util.normpath(source)) |
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63 pat = util.pconvert(pat) |
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64 path = pathutil.join(sourceroot, pat) |
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65 |
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66 newroot = pathutil.dirname(path) |
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67 relmatcher = match(newroot, '', [], ['include:%s' % path]) |
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68 |
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69 prefix = pathutil.canonpath(root, root, newroot) |
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70 if prefix: |
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71 prefix += '/' |
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72 relmatchers.append((prefix, relmatcher)) |
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73 else: |
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74 other.append((kind, pat, source)) |
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75 |
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76 return relmatchers, other |
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77 |
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78 def _kindpatsalwaysmatch(kindpats): |
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79 """"Checks whether the kindspats match everything, as e.g. |
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80 'relpath:.' does. |
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81 """ |
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82 for kind, pat, source in kindpats: |
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83 if pat != '' or kind not in ['relpath', 'glob']: |
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84 return False |
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85 return True |
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86 |
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87 class match(object): |
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88 def __init__(self, root, cwd, patterns, include=[], exclude=[], |
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89 default='glob', exact=False, auditor=None, ctx=None, |
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90 listsubrepos=False, warn=None, badfn=None): |
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91 """build an object to match a set of file patterns |
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92 |
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93 arguments: |
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94 root - the canonical root of the tree you're matching against |
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95 cwd - the current working directory, if relevant |
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96 patterns - patterns to find |
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97 include - patterns to include (unless they are excluded) |
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98 exclude - patterns to exclude (even if they are included) |
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99 default - if a pattern in patterns has no explicit type, assume this one |
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100 exact - patterns are actually filenames (include/exclude still apply) |
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101 warn - optional function used for printing warnings |
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102 badfn - optional bad() callback for this matcher instead of the default |
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103 |
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104 a pattern is one of: |
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105 'glob:<glob>' - a glob relative to cwd |
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106 're:<regexp>' - a regular expression |
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107 'path:<path>' - a path relative to repository root |
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108 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs) |
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109 'relpath:<path>' - a path relative to cwd |
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110 'relre:<regexp>' - a regexp that needn't match the start of a name |
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111 'set:<fileset>' - a fileset expression |
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112 'include:<path>' - a file of patterns to read and include |
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113 'subinclude:<path>' - a file of patterns to match against files under |
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114 the same directory |
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115 '<something>' - a pattern of the specified default type |
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116 """ |
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117 |
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118 self._root = root |
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119 self._cwd = cwd |
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120 self._files = [] # exact files and roots of patterns |
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121 self._anypats = bool(include or exclude) |
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122 self._always = False |
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123 self._pathrestricted = bool(include or exclude or patterns) |
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124 self._warn = warn |
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125 self._includeroots = set() |
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126 self._includedirs = set(['.']) |
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127 self._excluderoots = set() |
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128 |
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129 if badfn is not None: |
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130 self.bad = badfn |
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131 |
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132 matchfns = [] |
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133 if include: |
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134 kindpats = self._normalize(include, 'glob', root, cwd, auditor) |
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135 self.includepat, im = _buildmatch(ctx, kindpats, '(?:/|$)', |
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136 listsubrepos, root) |
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137 self._includeroots.update(_roots(kindpats)) |
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138 self._includedirs.update(util.dirs(self._includeroots)) |
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139 matchfns.append(im) |
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140 if exclude: |
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141 kindpats = self._normalize(exclude, 'glob', root, cwd, auditor) |
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142 self.excludepat, em = _buildmatch(ctx, kindpats, '(?:/|$)', |
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143 listsubrepos, root) |
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144 if not _anypats(kindpats): |
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145 self._excluderoots.update(_roots(kindpats)) |
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146 matchfns.append(lambda f: not em(f)) |
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147 if exact: |
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148 if isinstance(patterns, list): |
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149 self._files = patterns |
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150 else: |
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151 self._files = list(patterns) |
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152 matchfns.append(self.exact) |
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153 elif patterns: |
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154 kindpats = self._normalize(patterns, default, root, cwd, auditor) |
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155 if not _kindpatsalwaysmatch(kindpats): |
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156 self._files = _roots(kindpats) |
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157 self._anypats = self._anypats or _anypats(kindpats) |
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158 self.patternspat, pm = _buildmatch(ctx, kindpats, '$', |
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159 listsubrepos, root) |
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160 matchfns.append(pm) |
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161 |
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162 if not matchfns: |
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163 m = util.always |
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164 self._always = True |
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165 elif len(matchfns) == 1: |
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166 m = matchfns[0] |
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167 else: |
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168 def m(f): |
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169 for matchfn in matchfns: |
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170 if not matchfn(f): |
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171 return False |
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172 return True |
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173 |
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174 self.matchfn = m |
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175 self._fileroots = set(self._files) |
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176 |
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177 def __call__(self, fn): |
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178 return self.matchfn(fn) |
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179 def __iter__(self): |
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180 for f in self._files: |
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181 yield f |
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182 |
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183 # Callbacks related to how the matcher is used by dirstate.walk. |
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184 # Subscribers to these events must monkeypatch the matcher object. |
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185 def bad(self, f, msg): |
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186 '''Callback from dirstate.walk for each explicit file that can't be |
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187 found/accessed, with an error message.''' |
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188 pass |
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189 |
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190 # If an explicitdir is set, it will be called when an explicitly listed |
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191 # directory is visited. |
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192 explicitdir = None |
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193 |
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194 # If an traversedir is set, it will be called when a directory discovered |
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195 # by recursive traversal is visited. |
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196 traversedir = None |
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197 |
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198 def abs(self, f): |
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199 '''Convert a repo path back to path that is relative to the root of the |
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200 matcher.''' |
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201 return f |
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202 |
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203 def rel(self, f): |
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204 '''Convert repo path back to path that is relative to cwd of matcher.''' |
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205 return util.pathto(self._root, self._cwd, f) |
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206 |
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207 def uipath(self, f): |
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208 '''Convert repo path to a display path. If patterns or -I/-X were used |
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209 to create this matcher, the display path will be relative to cwd. |
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210 Otherwise it is relative to the root of the repo.''' |
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211 return (self._pathrestricted and self.rel(f)) or self.abs(f) |
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212 |
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213 def files(self): |
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214 '''Explicitly listed files or patterns or roots: |
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215 if no patterns or .always(): empty list, |
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216 if exact: list exact files, |
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217 if not .anypats(): list all files and dirs, |
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218 else: optimal roots''' |
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219 return self._files |
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220 |
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221 @propertycache |
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222 def _dirs(self): |
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223 return set(util.dirs(self._fileroots)) | set(['.']) |
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224 |
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225 def visitdir(self, dir): |
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226 '''Decides whether a directory should be visited based on whether it |
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227 has potential matches in it or one of its subdirectories. This is |
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228 based on the match's primary, included, and excluded patterns. |
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229 |
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230 This function's behavior is undefined if it has returned False for |
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231 one of the dir's parent directories. |
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232 ''' |
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233 if dir in self._excluderoots: |
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234 return False |
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235 if (self._includeroots and |
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236 '.' not in self._includeroots and |
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237 dir not in self._includeroots and |
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238 dir not in self._includedirs and |
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239 not any(parent in self._includeroots |
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240 for parent in util.finddirs(dir))): |
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241 return False |
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242 return (not self._fileroots or |
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243 '.' in self._fileroots or |
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244 dir in self._fileroots or |
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245 dir in self._dirs or |
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246 any(parentdir in self._fileroots |
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247 for parentdir in util.finddirs(dir))) |
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treemanifest: further optimize treemanifest.matches()
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248 |
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249 def exact(self, f): |
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250 '''Returns True if f is in .files().''' |
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251 return f in self._fileroots |
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252 |
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253 def anypats(self): |
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254 '''Matcher uses patterns or include/exclude.''' |
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255 return self._anypats |
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256 |
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localrepo: optimize internode status calls using match.always
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257 def always(self): |
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258 '''Matcher will match everything and .files() will be empty |
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259 - optimization might be possible and necessary.''' |
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260 return self._always |
8568 | 261 |
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262 def ispartial(self): |
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263 '''True if the matcher won't always match. |
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264 |
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265 Although it's just the inverse of _always in this implementation, |
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spelling: trivial spell checking
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266 an extension such as narrowhg might make it return something |
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267 slightly different.''' |
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268 return not self._always |
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269 |
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270 def isexact(self): |
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271 return self.matchfn == self.exact |
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272 |
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273 def prefix(self): |
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274 return not self.always() and not self.isexact() and not self.anypats() |
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275 |
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276 def _normalize(self, patterns, default, root, cwd, auditor): |
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277 '''Convert 'kind:pat' from the patterns list to tuples with kind and |
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278 normalized and rooted patterns and with listfiles expanded.''' |
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279 kindpats = [] |
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280 for kind, pat in [_patsplit(p, default) for p in patterns]: |
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281 if kind in ('glob', 'relpath'): |
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282 pat = pathutil.canonpath(root, cwd, pat, auditor) |
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283 elif kind in ('relglob', 'path'): |
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284 pat = util.normpath(pat) |
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285 elif kind in ('listfile', 'listfile0'): |
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286 try: |
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287 files = util.readfile(pat) |
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288 if kind == 'listfile0': |
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289 files = files.split('\0') |
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290 else: |
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291 files = files.splitlines() |
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292 files = [f for f in files if f] |
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293 except EnvironmentError: |
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294 raise error.Abort(_("unable to read file list (%s)") % pat) |
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295 for k, p, source in self._normalize(files, default, root, cwd, |
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296 auditor): |
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297 kindpats.append((k, p, pat)) |
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298 continue |
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299 elif kind == 'include': |
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300 try: |
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301 fullpath = os.path.join(root, util.localpath(pat)) |
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302 includepats = readpatternfile(fullpath, self._warn) |
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303 for k, p, source in self._normalize(includepats, default, |
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304 root, cwd, auditor): |
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305 kindpats.append((k, p, source or pat)) |
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306 except error.Abort as inst: |
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307 raise error.Abort('%s: %s' % (pat, inst[0])) |
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308 except IOError as inst: |
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309 if self._warn: |
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310 self._warn(_("skipping unreadable pattern file " |
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311 "'%s': %s\n") % (pat, inst.strerror)) |
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312 continue |
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313 # else: re or relre - which cannot be normalized |
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314 kindpats.append((kind, pat, '')) |
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315 return kindpats |
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316 |
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317 def exact(root, cwd, files, badfn=None): |
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318 return match(root, cwd, files, exact=True, badfn=badfn) |
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319 |
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320 def always(root, cwd): |
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321 return match(root, cwd, []) |
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322 |
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323 def badmatch(match, badfn): |
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324 """Make a copy of the given matcher, replacing its bad method with the given |
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325 one. |
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326 """ |
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327 m = copy.copy(match) |
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328 m.bad = badfn |
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329 return m |
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330 |
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331 class narrowmatcher(match): |
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332 """Adapt a matcher to work on a subdirectory only. |
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333 |
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334 The paths are remapped to remove/insert the path as needed: |
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335 |
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336 >>> m1 = match('root', '', ['a.txt', 'sub/b.txt']) |
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337 >>> m2 = narrowmatcher('sub', m1) |
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338 >>> bool(m2('a.txt')) |
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339 False |
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340 >>> bool(m2('b.txt')) |
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341 True |
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342 >>> bool(m2.matchfn('a.txt')) |
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343 False |
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344 >>> bool(m2.matchfn('b.txt')) |
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345 True |
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346 >>> m2.files() |
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347 ['b.txt'] |
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348 >>> m2.exact('b.txt') |
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349 True |
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350 >>> util.pconvert(m2.rel('b.txt')) |
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351 'sub/b.txt' |
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352 >>> def bad(f, msg): |
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353 ... print "%s: %s" % (f, msg) |
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354 >>> m1.bad = bad |
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355 >>> m2.bad('x.txt', 'No such file') |
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356 sub/x.txt: No such file |
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357 >>> m2.abs('c.txt') |
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358 'sub/c.txt' |
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359 """ |
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360 |
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361 def __init__(self, path, matcher): |
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362 self._root = matcher._root |
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363 self._cwd = matcher._cwd |
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364 self._path = path |
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365 self._matcher = matcher |
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366 self._always = matcher._always |
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367 self._pathrestricted = matcher._pathrestricted |
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368 |
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369 self._files = [f[len(path) + 1:] for f in matcher._files |
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370 if f.startswith(path + "/")] |
25194
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371 |
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372 # If the parent repo had a path to this subrepo and no patterns are |
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373 # specified, this submatcher always matches. |
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374 if not self._always and not matcher._anypats: |
25195 | 375 self._always = any(f == path for f in matcher._files) |
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376 |
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377 self._anypats = matcher._anypats |
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378 self.matchfn = lambda fn: matcher.matchfn(self._path + "/" + fn) |
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match: rename _fmap to _fileroots for clarity
Drew Gottlieb <drgott@google.com>
parents:
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diff
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379 self._fileroots = set(self._files) |
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|
380 |
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|
381 def abs(self, f): |
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382 return self._matcher.abs(self._path + "/" + f) |
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|
383 |
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384 def bad(self, f, msg): |
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385 self._matcher.bad(self._path + "/" + f, msg) |
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386 |
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387 def rel(self, f): |
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388 return self._matcher.rel(self._path + "/" + f) |
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389 |
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390 class icasefsmatcher(match): |
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391 """A matcher for wdir on case insensitive filesystems, which normalizes the |
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|
392 given patterns to the case in the filesystem. |
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393 """ |
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394 |
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395 def __init__(self, root, cwd, patterns, include, exclude, default, auditor, |
25464
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|
396 ctx, listsubrepos=False, badfn=None): |
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|
397 init = super(icasefsmatcher, self).__init__ |
26000
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match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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|
398 self._dirstate = ctx.repo().dirstate |
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399 self._dsnormalize = self._dirstate.normalize |
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|
400 |
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diff
changeset
|
401 init(root, cwd, patterns, include, exclude, default, auditor=auditor, |
25464
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parents:
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diff
changeset
|
402 ctx=ctx, listsubrepos=listsubrepos, badfn=badfn) |
24790
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changeset
|
403 |
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diff
changeset
|
404 # m.exact(file) must be based off of the actual user input, otherwise |
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changeset
|
405 # inexact case matches are treated as exact, and not noted without -v. |
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diff
changeset
|
406 if self._files: |
25189
1c8c33eaea0a
match: rename _fmap to _fileroots for clarity
Drew Gottlieb <drgott@google.com>
parents:
25188
diff
changeset
|
407 self._fileroots = set(_roots(self._kp)) |
24790
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diff
changeset
|
408 |
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diff
changeset
|
409 def _normalize(self, patterns, default, root, cwd, auditor): |
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diff
changeset
|
410 self._kp = super(icasefsmatcher, self)._normalize(patterns, default, |
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diff
changeset
|
411 root, cwd, auditor) |
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diff
changeset
|
412 kindpats = [] |
25213
08a8e9da0ae7
match: add source to kindpats list
Durham Goode <durham@fb.com>
parents:
25195
diff
changeset
|
413 for kind, pats, source in self._kp: |
24790
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parents:
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diff
changeset
|
414 if kind not in ('re', 'relre'): # regex can't be normalized |
26000
9ac4e81b9659
match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
25875
diff
changeset
|
415 p = pats |
24790
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parents:
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diff
changeset
|
416 pats = self._dsnormalize(pats) |
26000
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match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
25875
diff
changeset
|
417 |
9ac4e81b9659
match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
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diff
changeset
|
418 # Preserve the original to handle a case only rename. |
9ac4e81b9659
match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
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diff
changeset
|
419 if p != pats and p in self._dirstate: |
9ac4e81b9659
match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
25875
diff
changeset
|
420 kindpats.append((kind, p, source)) |
9ac4e81b9659
match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
25875
diff
changeset
|
421 |
25213
08a8e9da0ae7
match: add source to kindpats list
Durham Goode <durham@fb.com>
parents:
25195
diff
changeset
|
422 kindpats.append((kind, pats, source)) |
24790
baa11dde8c0e
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diff
changeset
|
423 return kindpats |
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parents:
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diff
changeset
|
424 |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
425 def patkind(pattern, default=None): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
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diff
changeset
|
426 '''If pattern is 'kind:pat' with a known kind, return kind.''' |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
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parents:
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diff
changeset
|
427 return _patsplit(pattern, default)[0] |
8570
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match: move util match functions over
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parents:
8568
diff
changeset
|
428 |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
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parents:
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diff
changeset
|
429 def _patsplit(pattern, default): |
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match: improve documentation - docstrings and more descriptive variable naming
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diff
changeset
|
430 """Split a string into the optional pattern kind prefix and the actual |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
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parents:
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diff
changeset
|
431 pattern.""" |
9d28fd795215
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parents:
21079
diff
changeset
|
432 if ':' in pattern: |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
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parents:
21079
diff
changeset
|
433 kind, pat = pattern.split(':', 1) |
13218
1f4721de2ca9
match: support reading pattern lists from files
Steve Borho <steve@borho.org>
parents:
12268
diff
changeset
|
434 if kind in ('re', 'glob', 'path', 'relglob', 'relpath', 'relre', |
25283
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
435 'listfile', 'listfile0', 'set', 'include', 'subinclude'): |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
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parents:
21079
diff
changeset
|
436 return kind, pat |
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match: improve documentation - docstrings and more descriptive variable naming
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diff
changeset
|
437 return default, pattern |
8570
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match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
438 |
8582
a4c199e12b5a
match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents:
8581
diff
changeset
|
439 def _globre(pat): |
21112
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match: _globre doctests
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21111
diff
changeset
|
440 r'''Convert an extended glob string to a regexp string. |
03782d2fc776
match: _globre doctests
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parents:
21111
diff
changeset
|
441 |
03782d2fc776
match: _globre doctests
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changeset
|
442 >>> print _globre(r'?') |
03782d2fc776
match: _globre doctests
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parents:
21111
diff
changeset
|
443 . |
03782d2fc776
match: _globre doctests
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diff
changeset
|
444 >>> print _globre(r'*') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
445 [^/]* |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
446 >>> print _globre(r'**') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
447 .* |
21815
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
448 >>> print _globre(r'**/a') |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
449 (?:.*/)?a |
a4b67bf1f0a5
match: make glob '**/' match the empty string
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21191
diff
changeset
|
450 >>> print _globre(r'a/**/b') |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
451 a\/(?:.*/)?b |
21112
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
452 >>> print _globre(r'[a*?!^][^b][!c]') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
453 [a*?!^][\^b][^c] |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
454 >>> print _globre(r'{a,b}') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
455 (?:a|b) |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
456 >>> print _globre(r'.\*\?') |
03782d2fc776
match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
457 \.\*\? |
03782d2fc776
match: _globre doctests
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parents:
21111
diff
changeset
|
458 ''' |
8570
7fe2012b3bd0
match: move util match functions over
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parents:
8568
diff
changeset
|
459 i, n = 0, len(pat) |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
460 res = '' |
7fe2012b3bd0
match: move util match functions over
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parents:
8568
diff
changeset
|
461 group = 0 |
21915
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match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
462 escape = util.re.escape |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
463 def peek(): |
08a0f04b56bd
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10263
diff
changeset
|
464 return i < n and pat[i] |
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7fe2012b3bd0
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diff
changeset
|
465 while i < n: |
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diff
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|
466 c = pat[i] |
10282
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many, many trivial check-code fixups
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parents:
10263
diff
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|
467 i += 1 |
8583
19d1b2aec562
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parents:
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diff
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|
468 if c not in '*?[{},\\': |
19d1b2aec562
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Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
469 res += escape(c) |
19d1b2aec562
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Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
470 elif c == '*': |
8570
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parents:
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changeset
|
471 if peek() == '*': |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
472 i += 1 |
21815
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match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
473 if peek() == '/': |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
474 i += 1 |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
475 res += '(?:.*/)?' |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
476 else: |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
diff
changeset
|
477 res += '.*' |
8570
7fe2012b3bd0
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parents:
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diff
changeset
|
478 else: |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
479 res += '[^/]*' |
7fe2012b3bd0
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changeset
|
480 elif c == '?': |
7fe2012b3bd0
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diff
changeset
|
481 res += '.' |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
482 elif c == '[': |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
483 j = i |
7fe2012b3bd0
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changeset
|
484 if j < n and pat[j] in '!]': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
485 j += 1 |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
486 while j < n and pat[j] != ']': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
487 j += 1 |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
488 if j >= n: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
489 res += '\\[' |
7fe2012b3bd0
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parents:
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diff
changeset
|
490 else: |
7fe2012b3bd0
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parents:
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diff
changeset
|
491 stuff = pat[i:j].replace('\\','\\\\') |
7fe2012b3bd0
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diff
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|
492 i = j + 1 |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
493 if stuff[0] == '!': |
7fe2012b3bd0
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parents:
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diff
changeset
|
494 stuff = '^' + stuff[1:] |
7fe2012b3bd0
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parents:
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diff
changeset
|
495 elif stuff[0] == '^': |
7fe2012b3bd0
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parents:
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diff
changeset
|
496 stuff = '\\' + stuff |
7fe2012b3bd0
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diff
changeset
|
497 res = '%s[%s]' % (res, stuff) |
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diff
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|
498 elif c == '{': |
7fe2012b3bd0
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parents:
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diff
changeset
|
499 group += 1 |
7fe2012b3bd0
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parents:
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diff
changeset
|
500 res += '(?:' |
7fe2012b3bd0
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|
501 elif c == '}' and group: |
7fe2012b3bd0
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diff
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|
502 res += ')' |
7fe2012b3bd0
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diff
changeset
|
503 group -= 1 |
7fe2012b3bd0
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diff
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|
504 elif c == ',' and group: |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
505 res += '|' |
7fe2012b3bd0
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diff
changeset
|
506 elif c == '\\': |
7fe2012b3bd0
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
507 p = peek() |
7fe2012b3bd0
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diff
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|
508 if p: |
7fe2012b3bd0
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diff
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|
509 i += 1 |
8583
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parents:
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diff
changeset
|
510 res += escape(p) |
8570
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|
511 else: |
8583
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Matt Mackall <mpm@selenic.com>
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diff
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|
512 res += escape(c) |
8570
7fe2012b3bd0
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diff
changeset
|
513 else: |
8583
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
514 res += escape(c) |
8582
a4c199e12b5a
match: remove head and tail args from _globre
Matt Mackall <mpm@selenic.com>
parents:
8581
diff
changeset
|
515 return res |
8570
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diff
changeset
|
516 |
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diff
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|
517 def _regex(kind, pat, globsuffix): |
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diff
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|
518 '''Convert a (normalized) pattern of any kind into a regular expression. |
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|
519 globsuffix is appended to the regexp of globs.''' |
9d28fd795215
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diff
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|
520 if not pat: |
8574
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parents:
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diff
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|
521 return '' |
63a7ed2128d5
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diff
changeset
|
522 if kind == 're': |
21111
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parents:
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diff
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|
523 return pat |
9d28fd795215
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parents:
21079
diff
changeset
|
524 if kind == 'path': |
25636
bfe9ed85f27c
match: let 'path:.' and 'path:' match everything (issue4687)
Matt Harbison <matt_harbison@yahoo.com>
parents:
25194
diff
changeset
|
525 if pat == '.': |
bfe9ed85f27c
match: let 'path:.' and 'path:' match everything (issue4687)
Matt Harbison <matt_harbison@yahoo.com>
parents:
25194
diff
changeset
|
526 return '' |
21915
d516b6de3821
match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
21909
diff
changeset
|
527 return '^' + util.re.escape(pat) + '(?:/|$)' |
21111
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parents:
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diff
changeset
|
528 if kind == 'relglob': |
9d28fd795215
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parents:
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diff
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|
529 return '(?:|.*/)' + _globre(pat) + globsuffix |
9d28fd795215
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Mads Kiilerich <madski@unity3d.com>
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diff
changeset
|
530 if kind == 'relpath': |
21915
d516b6de3821
match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
21909
diff
changeset
|
531 return util.re.escape(pat) + '(?:/|$)' |
21111
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match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
532 if kind == 'relre': |
9d28fd795215
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parents:
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diff
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|
533 if pat.startswith('^'): |
9d28fd795215
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parents:
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diff
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|
534 return pat |
9d28fd795215
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Mads Kiilerich <madski@unity3d.com>
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diff
changeset
|
535 return '.*' + pat |
9d28fd795215
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parents:
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diff
changeset
|
536 return _globre(pat) + globsuffix |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
537 |
25238
5a55ad6e8e24
match: add root to _buildmatch
Durham Goode <durham@fb.com>
parents:
25233
diff
changeset
|
538 def _buildmatch(ctx, kindpats, globsuffix, listsubrepos, root): |
21111
9d28fd795215
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diff
changeset
|
539 '''Return regexp string and a matcher function for kindpats. |
9d28fd795215
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Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
540 globsuffix is appended to the regexp of globs.''' |
25239
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
541 matchfuncs = [] |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
542 |
25283
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
543 subincludes, kindpats = _expandsubinclude(kindpats, root) |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
544 if subincludes: |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
545 def matchsubinclude(f): |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
546 for prefix, mf in subincludes: |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
547 if f.startswith(prefix) and mf(f[len(prefix):]): |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
548 return True |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
549 return False |
19d0e5efa6ca
match: enable 'subinclude:' syntax
Durham Goode <durham@fb.com>
parents:
25250
diff
changeset
|
550 matchfuncs.append(matchsubinclude) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
551 |
25122
755d23a49170
match: resolve filesets in subrepos for commands given the '-S' argument
Matt Harbison <matt_harbison@yahoo.com>
parents:
25114
diff
changeset
|
552 fset, kindpats = _expandsets(kindpats, ctx, listsubrepos) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
553 if fset: |
25239
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
554 matchfuncs.append(fset.__contains__) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
555 |
25239
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
556 regex = '' |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
557 if kindpats: |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
558 regex, mf = _buildregexmatch(kindpats, globsuffix) |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
559 matchfuncs.append(mf) |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
560 |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
561 if len(matchfuncs) == 1: |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
562 return regex, matchfuncs[0] |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
563 else: |
714f612f2afc
match: allow unioning arbitrary match functions
Durham Goode <durham@fb.com>
parents:
25238
diff
changeset
|
564 return regex, lambda f: any(mf(f) for mf in matchfuncs) |
14675
cfc89398f710
match: introduce basic fileset support
Matt Mackall <mpm@selenic.com>
parents:
14674
diff
changeset
|
565 |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
566 def _buildregexmatch(kindpats, globsuffix): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
567 """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
|
568 return regexp string and a matcher function.""" |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
569 try: |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
570 regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix) |
25213
08a8e9da0ae7
match: add source to kindpats list
Durham Goode <durham@fb.com>
parents:
25195
diff
changeset
|
571 for (k, p, s) in kindpats]) |
21111
9d28fd795215
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
572 if len(regex) > 20000: |
16687
e34106fa0dc3
cleanup: "raise SomeException()" -> "raise SomeException"
Brodie Rao <brodie@sf.io>
parents:
16645
diff
changeset
|
573 raise OverflowError |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
574 return regex, _rematcher(regex) |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
575 except OverflowError: |
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
576 # 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
|
577 # 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
|
578 # until it works |
21111
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match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
579 l = len(kindpats) |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
580 if l < 2: |
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
581 raise |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
582 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
|
583 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:
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584 return regex, lambda s: a(s) or b(s) |
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585 except re.error: |
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586 for k, p, s in kindpats: |
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587 try: |
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588 _rematcher('(?:%s)' % _regex(k, p, globsuffix)) |
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589 except re.error: |
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590 if s: |
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591 raise error.Abort(_("%s: invalid pattern (%s): %s") % |
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592 (s, k, p)) |
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593 else: |
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594 raise error.Abort(_("invalid pattern (%s): %s") % (k, p)) |
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595 raise error.Abort(_("invalid pattern")) |
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596 |
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597 def _roots(kindpats): |
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598 '''return roots and exact explicitly listed files from patterns |
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599 |
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600 >>> _roots([('glob', 'g/*', ''), ('glob', 'g', ''), ('glob', 'g*', '')]) |
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601 ['g', 'g', '.'] |
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602 >>> _roots([('relpath', 'r', ''), ('path', 'p/p', ''), ('path', '', '')]) |
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603 ['r', 'p/p', '.'] |
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604 >>> _roots([('relglob', 'rg*', ''), ('re', 're/', ''), ('relre', 'rr', '')]) |
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605 ['.', '.', '.'] |
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606 ''' |
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607 r = [] |
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608 for kind, pat, source in kindpats: |
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609 if kind == 'glob': # find the non-glob prefix |
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610 root = [] |
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611 for p in pat.split('/'): |
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612 if '[' in p or '{' in p or '*' in p or '?' in p: |
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613 break |
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614 root.append(p) |
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615 r.append('/'.join(root) or '.') |
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616 elif kind in ('relpath', 'path'): |
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617 r.append(pat or '.') |
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618 else: # relglob, re, relre |
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619 r.append('.') |
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620 return r |
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621 |
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622 def _anypats(kindpats): |
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623 for kind, pat, source in kindpats: |
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624 if kind in ('glob', 're', 'relglob', 'relre', 'set'): |
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625 return True |
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626 |
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627 _commentre = None |
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628 |
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629 def readpatternfile(filepath, warn): |
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630 '''parse a pattern file, returning a list of |
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631 patterns. These patterns should be given to compile() |
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632 to be validated and converted into a match function. |
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633 |
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634 trailing white space is dropped. |
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635 the escape character is backslash. |
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636 comments start with #. |
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637 empty lines are skipped. |
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638 |
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639 lines can be of the following formats: |
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640 |
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641 syntax: regexp # defaults following lines to non-rooted regexps |
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642 syntax: glob # defaults following lines to non-rooted globs |
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643 re:pattern # non-rooted regular expression |
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644 glob:pattern # non-rooted glob |
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645 pattern # pattern of the current default type''' |
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646 |
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647 syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:', |
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648 'include': 'include', 'subinclude': 'subinclude'} |
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649 syntax = 'relre:' |
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650 patterns = [] |
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651 |
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652 fp = open(filepath) |
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653 for line in fp: |
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654 if "#" in line: |
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655 global _commentre |
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656 if not _commentre: |
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657 _commentre = re.compile(r'((^|[^\\])(\\\\)*)#.*') |
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658 # remove comments prefixed by an even number of escapes |
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659 line = _commentre.sub(r'\1', line) |
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660 # fixup properly escaped comments that survived the above |
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661 line = line.replace("\\#", "#") |
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662 line = line.rstrip() |
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663 if not line: |
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664 continue |
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665 |
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666 if line.startswith('syntax:'): |
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667 s = line[7:].strip() |
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668 try: |
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669 syntax = syntaxes[s] |
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670 except KeyError: |
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671 if warn: |
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672 warn(_("%s: ignoring invalid syntax '%s'\n") % |
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673 (filepath, s)) |
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674 continue |
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675 |
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676 linesyntax = syntax |
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677 for s, rels in syntaxes.iteritems(): |
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678 if line.startswith(rels): |
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679 linesyntax = rels |
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680 line = line[len(rels):] |
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681 break |
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682 elif line.startswith(s+':'): |
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683 linesyntax = rels |
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684 line = line[len(s) + 1:] |
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685 break |
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686 patterns.append(linesyntax + line) |
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687 fp.close() |
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688 return patterns |