Mercurial > hg
annotate mercurial/match.py @ 26755:bb0b955d050d
streamclone: support for producing and consuming stream clone bundles
Up to this point, stream clones only existed as a dynamically generated
data format produced and consumed during streaming clones. In order to
support this efficient cloning format with the clone bundles feature, we
need a more formal, on disk representation of the streaming clone data.
This patch introduces a new "bundle" type for streaming clones. Unlike
existing bundles, it does not contain changegroup data. It does,
however, share the same concepts like the 4 byte header which identifies
the type of data that follows and the 2 byte abbreviation for
compression types (of which only "UN" is currently supported).
The new bundle format is essentially the existing stream clone version 1
data format with some headers at the beginning.
Content negotiation at stream clone request time checked for repository
format/requirements compatibility before initiating a stream clone. We
can't do active content negotiation when using clone bundles. So, we put
this set of requirements inside the payload so consumers have a built-in
mechanism for checking compatibility before reading and applying lots of
data. Of course, we will also advertise this requirements set in clone
bundles. But that's for another patch.
We currently don't have a mechanism to produce and consume this new
bundle format. This will be implemented in upcoming patches.
It's worth noting that if a legacy client attempts to `hg unbundle` a
stream clone bundle (with the "HGS1" header), it will abort with:
"unknown bundle version S1," which seems appropriate.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sat, 17 Oct 2015 11:14:52 -0700 |
parents | 56b2bcea2529 |
children | 1aee2ab0f902 |
rev | line source |
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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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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 |
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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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266 an extenion 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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match: introduce uipath() to properly style a file path
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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 + "/")] |
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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
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parents:
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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__ |
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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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changeset
|
401 init(root, cwd, patterns, include, exclude, default, auditor=auditor, |
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changeset
|
402 ctx=ctx, listsubrepos=listsubrepos, badfn=badfn) |
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|
403 |
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changeset
|
404 # m.exact(file) must be based off of the actual user input, otherwise |
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|
405 # inexact case matches are treated as exact, and not noted without -v. |
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changeset
|
406 if self._files: |
25189
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match: rename _fmap to _fileroots for clarity
Drew Gottlieb <drgott@google.com>
parents:
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diff
changeset
|
407 self._fileroots = set(_roots(self._kp)) |
24790
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|
408 |
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|
409 def _normalize(self, patterns, default, root, cwd, auditor): |
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changeset
|
410 self._kp = super(icasefsmatcher, self)._normalize(patterns, default, |
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changeset
|
411 root, cwd, auditor) |
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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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changeset
|
414 if kind not in ('re', 'relre'): # regex can't be normalized |
26000
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match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
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diff
changeset
|
415 p = pats |
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changeset
|
416 pats = self._dsnormalize(pats) |
26000
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diff
changeset
|
417 |
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match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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changeset
|
418 # Preserve the original to handle a case only rename. |
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changeset
|
419 if p != pats and p in self._dirstate: |
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diff
changeset
|
420 kindpats.append((kind, p, source)) |
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match: fix a caseonly rename + explicit path commit on icasefs (issue4768)
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parents:
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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
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changeset
|
423 return kindpats |
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diff
changeset
|
424 |
21111
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match: improve documentation - docstrings and more descriptive variable naming
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diff
changeset
|
425 def patkind(pattern, default=None): |
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match: improve documentation - docstrings and more descriptive variable naming
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|
426 '''If pattern is 'kind:pat' with a known kind, return kind.''' |
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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
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changeset
|
429 def _patsplit(pattern, default): |
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changeset
|
430 """Split a string into the optional pattern kind prefix and the actual |
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diff
changeset
|
431 pattern.""" |
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diff
changeset
|
432 if ':' in pattern: |
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match: improve documentation - docstrings and more descriptive variable naming
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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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changeset
|
436 return kind, pat |
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diff
changeset
|
437 return default, pattern |
8570
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match: move util match functions over
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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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changeset
|
440 r'''Convert an extended glob string to a regexp string. |
03782d2fc776
match: _globre doctests
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changeset
|
441 |
03782d2fc776
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changeset
|
442 >>> print _globre(r'?') |
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match: _globre doctests
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diff
changeset
|
443 . |
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changeset
|
444 >>> print _globre(r'*') |
03782d2fc776
match: _globre doctests
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parents:
21111
diff
changeset
|
445 [^/]* |
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match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
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diff
changeset
|
446 >>> print _globre(r'**') |
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match: _globre doctests
Mads Kiilerich <madski@unity3d.com>
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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
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diff
changeset
|
449 (?:.*/)?a |
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match: make glob '**/' match the empty string
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changeset
|
450 >>> print _globre(r'a/**/b') |
a4b67bf1f0a5
match: make glob '**/' match the empty string
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diff
changeset
|
451 a\/(?:.*/)?b |
21112
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match: _globre doctests
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parents:
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diff
changeset
|
452 >>> print _globre(r'[a*?!^][^b][!c]') |
03782d2fc776
match: _globre doctests
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parents:
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diff
changeset
|
453 [a*?!^][\^b][^c] |
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match: _globre doctests
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parents:
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diff
changeset
|
454 >>> print _globre(r'{a,b}') |
03782d2fc776
match: _globre doctests
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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
Mads Kiilerich <madski@unity3d.com>
parents:
21111
diff
changeset
|
458 ''' |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
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
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
461 group = 0 |
21915
d516b6de3821
match: use util.re.escape instead of re.escape
Siddharth Agarwal <sid0@fb.com>
parents:
21909
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
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
464 return i < n and pat[i] |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
465 while i < n: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
466 c = pat[i] |
10282
08a0f04b56bd
many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents:
10263
diff
changeset
|
467 i += 1 |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
468 if c not in '*?[{},\\': |
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
469 res += escape(c) |
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
470 elif c == '*': |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
471 if peek() == '*': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
472 i += 1 |
21815
a4b67bf1f0a5
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:
21191
diff
changeset
|
474 i += 1 |
a4b67bf1f0a5
match: make glob '**/' match the empty string
Siddharth Agarwal <sid0@fb.com>
parents:
21191
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
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
478 else: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
479 res += '[^/]*' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
480 elif c == '?': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
481 res += '.' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
482 elif c == '[': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
483 j = i |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
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
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
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
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
488 if j >= n: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
489 res += '\\[' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
490 else: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
491 stuff = pat[i:j].replace('\\','\\\\') |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
492 i = j + 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
493 if stuff[0] == '!': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
494 stuff = '^' + stuff[1:] |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
495 elif stuff[0] == '^': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
496 stuff = '\\' + stuff |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
497 res = '%s[%s]' % (res, stuff) |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
498 elif c == '{': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
499 group += 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
500 res += '(?:' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
501 elif c == '}' and group: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
502 res += ')' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
503 group -= 1 |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
504 elif c == ',' and group: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
505 res += '|' |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
506 elif c == '\\': |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
507 p = peek() |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
508 if p: |
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
509 i += 1 |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
510 res += escape(p) |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
511 else: |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
diff
changeset
|
512 res += escape(c) |
8570
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
513 else: |
8583
19d1b2aec562
match: optimize escaping in _globre
Matt Mackall <mpm@selenic.com>
parents:
8582
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
7fe2012b3bd0
match: move util match functions over
Matt Mackall <mpm@selenic.com>
parents:
8568
diff
changeset
|
516 |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
517 def _regex(kind, pat, globsuffix): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
518 '''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
|
519 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
|
520 if not pat: |
8574
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
521 return '' |
63a7ed2128d5
match: unnest functions in _matcher
Matt Mackall <mpm@selenic.com>
parents:
8573
diff
changeset
|
522 if kind == 're': |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
523 return pat |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
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
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
528 if kind == 'relglob': |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
529 return '(?:|.*/)' + _globre(pat) + globsuffix |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
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
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
532 if kind == 'relre': |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
533 if pat.startswith('^'): |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
534 return pat |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
535 return '.*' + pat |
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
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
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
diff
changeset
|
539 '''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
|
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
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
21079
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:
21079
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
9d28fd795215
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: |
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581 raise |
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582 regexa, a = _buildregexmatch(kindpats[:l//2], globsuffix) |
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583 regexb, b = _buildregexmatch(kindpats[l//2:], globsuffix) |
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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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Pierre-Yves David <pierre-yves.david@fb.com>
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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('/'): |
8584
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match: fold _globprefix into _roots
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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: |
16182
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match: consider filesets as "anypats"
Patrick Mezard <patrick@mezard.eu>
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15029
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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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diff
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|
647 syntaxes = {'re': 'relre:', 'regexp': 'relre:', 'glob': 'relglob:', |
25283
19d0e5efa6ca
match: enable 'subinclude:' syntax
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|
648 'include': 'include', 'subinclude': 'subinclude'} |
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649 syntax = 'relre:' |
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changeset
|
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 |