Mercurial > hg
annotate mercurial/match.py @ 20172:181108726ea5
http: reuse authentication info after the first failed request (issue3567)
Context: mercurial access to repository server with http access, and this
server is protected by basic auth.
Before patch:
* mercurial try an anonymous access to server, server return 401 response and
mercurial resend request with login / password information
After patch:
* mercurial try an anonymous access to server, server return 401
response. For all subsequent requests, mercurial keep in memory this
information (this server need basic auth information).
This patch reduce the number of http access against mercurial server.
Example, before patch :
10.10.168.170 - - [25/Oct/2013:15:44:51 +0200] "GET /hg/testagt?cmd=capabilities
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:44:52 +0200] "GET /hg/testagt?cmd=capabilities
HTTP/1.1" 200 147 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:00 +0200] "GET /hg/testagt?cmd=capabilities
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:01 +0200] "GET /hg/testagt?cmd=capabilities
HTTP/1.1" 200 147 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:03 +0200] "GET /hg/testagt?cmd=batch
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:04 +0200] "GET /hg/testagt?cmd=batch
HTTP/1.1" 200 42 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:06 +0200] "GET /hg/testagt?cmd=getbundle
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:07 +0200] "GET /hg/testagt?cmd=getbundle
HTTP/1.1" 200 61184 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:09 +0200] "GET /hg/testagt?cmd=listkeys
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:10 +0200] "GET /hg/testagt?cmd=listkeys
HTTP/1.1" 200 15 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:12 +0200] "GET /hg/testagt?cmd=listkeys
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [25/Oct/2013:15:45:12 +0200] "GET /hg/testagt?cmd=listkeys
HTTP/1.1" 200 - "-" "mercurial/proto-1.0"
Example after patch :
10.10.168.170 - - [28/Oct/2013:11:49:14 +0100] "GET /hg/testagt?cmd=capabilities
HTTP/1.1" 401 260 "-" "mercurial/proto-1.0"
10.10.168.170 - - [28/Oct/2013:11:49:15 +0100] "GET /hg/testagt?cmd=capabilities
HTTP/1.1" 200 147 "-" "mercurial/proto-1.0"
10.10.168.170 - - [28/Oct/2013:11:49:17 +0100] "GET /hg/testagt?cmd=batch
HTTP/1.1" 200 42 "-" "mercurial/proto-1.0"
10.10.168.170 - - [28/Oct/2013:11:49:19 +0100] "GET /hg/testagt?cmd=getbundle
HTTP/1.1" 200 61184 "-" "mercurial/proto-1.0"
10.10.168.170 - - [28/Oct/2013:11:49:22 +0100] "GET /hg/testagt?cmd=listkeys
HTTP/1.1" 200 15 "-" "mercurial/proto-1.0"
10.10.168.170 - - [28/Oct/2013:11:49:24 +0100] "GET /hg/testagt?cmd=listkeys
HTTP/1.1" 200 - "-" "mercurial/proto-1.0"
In this last example, you can see only one 401 response.
author | Stéphane Klein <contact@stephane-klein.info> |
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date | Mon, 25 Nov 2013 17:18:12 +0100 |
parents | f962870712da |
children | 906358d0350e |
rev | line source |
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8761
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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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split local and stdlib module imports (eases migration issues)
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8 import re |
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9 import util, fileset, pathutil |
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10 from i18n import _ |
6576 | 11 |
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12 def _rematcher(pat): |
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13 m = util.compilere(pat) |
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14 try: |
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15 # slightly faster, provided by facebook's re2 bindings |
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16 return m.test_match |
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17 except AttributeError: |
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18 return m.match |
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19 |
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20 def _expandsets(pats, ctx): |
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21 '''convert set: patterns into a list of files in the given context''' |
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22 fset = set() |
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23 other = [] |
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24 |
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25 for kind, expr in pats: |
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26 if kind == 'set': |
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27 if not ctx: |
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28 raise util.Abort("fileset expression with no context") |
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29 s = fileset.getfileset(ctx, expr) |
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30 fset.update(s) |
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31 continue |
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32 other.append((kind, expr)) |
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33 return fset, other |
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34 |
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35 class match(object): |
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36 def __init__(self, root, cwd, patterns, include=[], exclude=[], |
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37 default='glob', exact=False, auditor=None, ctx=None): |
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38 """build an object to match a set of file patterns |
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39 |
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40 arguments: |
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41 root - the canonical root of the tree you're matching against |
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42 cwd - the current working directory, if relevant |
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43 patterns - patterns to find |
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44 include - patterns to include |
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45 exclude - patterns to exclude |
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46 default - if a pattern in names has no explicit type, assume this one |
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47 exact - patterns are actually literals |
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48 |
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49 a pattern is one of: |
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50 'glob:<glob>' - a glob relative to cwd |
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51 're:<regexp>' - a regular expression |
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52 'path:<path>' - a path relative to repository root |
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53 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs) |
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54 'relpath:<path>' - a path relative to cwd |
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55 'relre:<regexp>' - a regexp that needn't match the start of a name |
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56 'set:<fileset>' - a fileset expression |
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57 '<something>' - a pattern of the specified default type |
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58 """ |
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59 |
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60 self._root = root |
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61 self._cwd = cwd |
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62 self._files = [] |
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63 self._anypats = bool(include or exclude) |
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64 self._ctx = ctx |
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65 self._always = False |
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66 |
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67 if include: |
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68 pats = _normalize(include, 'glob', root, cwd, auditor) |
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69 self.includepat, im = _buildmatch(ctx, pats, '(?:/|$)') |
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70 if exclude: |
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71 pats = _normalize(exclude, 'glob', root, cwd, auditor) |
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72 self.excludepat, em = _buildmatch(ctx, pats, '(?:/|$)') |
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73 if exact: |
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74 if isinstance(patterns, list): |
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75 self._files = patterns |
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76 else: |
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77 self._files = list(patterns) |
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78 pm = self.exact |
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79 elif patterns: |
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80 pats = _normalize(patterns, default, root, cwd, auditor) |
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81 self._files = _roots(pats) |
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82 self._anypats = self._anypats or _anypats(pats) |
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83 self.patternspat, pm = _buildmatch(ctx, pats, '$') |
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84 |
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85 if patterns or exact: |
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86 if include: |
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87 if exclude: |
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88 m = lambda f: im(f) and not em(f) and pm(f) |
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89 else: |
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90 m = lambda f: im(f) and pm(f) |
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91 else: |
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92 if exclude: |
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93 m = lambda f: not em(f) and pm(f) |
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94 else: |
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95 m = pm |
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96 else: |
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97 if include: |
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98 if exclude: |
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99 m = lambda f: im(f) and not em(f) |
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100 else: |
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101 m = im |
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102 else: |
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103 if exclude: |
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104 m = lambda f: not em(f) |
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105 else: |
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106 m = lambda f: True |
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107 self._always = True |
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108 |
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109 self.matchfn = m |
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110 self._fmap = set(self._files) |
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111 |
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112 def __call__(self, fn): |
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113 return self.matchfn(fn) |
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114 def __iter__(self): |
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115 for f in self._files: |
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116 yield f |
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117 def bad(self, f, msg): |
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118 '''callback for each explicit file that can't be |
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119 found/accessed, with an error message |
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120 ''' |
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121 pass |
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122 # If this is set, it will be called when an explicitly listed directory is |
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123 # visited. |
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124 explicitdir = None |
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125 # If this is set, it will be called when a directory discovered by recursive |
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126 # traversal is visited. |
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127 traversedir = None |
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128 def missing(self, f): |
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129 pass |
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130 def exact(self, f): |
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131 return f in self._fmap |
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132 def rel(self, f): |
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133 return util.pathto(self._root, self._cwd, f) |
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134 def files(self): |
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135 return self._files |
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136 def anypats(self): |
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137 return self._anypats |
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138 def always(self): |
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139 return self._always |
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141 class exact(match): |
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142 def __init__(self, root, cwd, files): |
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143 match.__init__(self, root, cwd, files, exact=True) |
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144 |
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145 class always(match): |
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146 def __init__(self, root, cwd): |
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147 match.__init__(self, root, cwd, []) |
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148 self._always = True |
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149 |
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150 class narrowmatcher(match): |
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151 """Adapt a matcher to work on a subdirectory only. |
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152 |
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153 The paths are remapped to remove/insert the path as needed: |
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154 |
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155 >>> m1 = match('root', '', ['a.txt', 'sub/b.txt']) |
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156 >>> m2 = narrowmatcher('sub', m1) |
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157 >>> bool(m2('a.txt')) |
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158 False |
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159 >>> bool(m2('b.txt')) |
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160 True |
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161 >>> bool(m2.matchfn('a.txt')) |
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162 False |
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163 >>> bool(m2.matchfn('b.txt')) |
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164 True |
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165 >>> m2.files() |
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166 ['b.txt'] |
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167 >>> m2.exact('b.txt') |
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168 True |
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169 >>> m2.rel('b.txt') |
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170 'b.txt' |
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171 >>> def bad(f, msg): |
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172 ... print "%s: %s" % (f, msg) |
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173 >>> m1.bad = bad |
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174 >>> m2.bad('x.txt', 'No such file') |
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175 sub/x.txt: No such file |
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176 """ |
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177 |
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178 def __init__(self, path, matcher): |
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179 self._root = matcher._root |
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180 self._cwd = matcher._cwd |
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181 self._path = path |
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182 self._matcher = matcher |
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183 self._always = matcher._always |
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184 |
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185 self._files = [f[len(path) + 1:] for f in matcher._files |
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186 if f.startswith(path + "/")] |
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187 self._anypats = matcher._anypats |
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188 self.matchfn = lambda fn: matcher.matchfn(self._path + "/" + fn) |
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189 self._fmap = set(self._files) |
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190 |
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191 def bad(self, f, msg): |
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192 self._matcher.bad(self._path + "/" + f, msg) |
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193 |
8568 | 194 def patkind(pat): |
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195 return _patsplit(pat, None)[0] |
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196 |
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197 def _patsplit(pat, default): |
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198 """Split a string into an optional pattern kind prefix and the |
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199 actual pattern.""" |
8579 | 200 if ':' in pat: |
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201 kind, val = pat.split(':', 1) |
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202 if kind in ('re', 'glob', 'path', 'relglob', 'relpath', 'relre', |
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203 'listfile', 'listfile0', 'set'): |
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204 return kind, val |
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205 return default, pat |
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206 |
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207 def _globre(pat): |
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208 "convert a glob pattern into a regexp" |
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209 i, n = 0, len(pat) |
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210 res = '' |
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211 group = 0 |
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212 escape = re.escape |
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213 def peek(): |
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214 return i < n and pat[i] |
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215 while i < n: |
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216 c = pat[i] |
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217 i += 1 |
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218 if c not in '*?[{},\\': |
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219 res += escape(c) |
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220 elif c == '*': |
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221 if peek() == '*': |
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222 i += 1 |
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223 res += '.*' |
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224 else: |
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225 res += '[^/]*' |
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226 elif c == '?': |
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227 res += '.' |
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228 elif c == '[': |
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229 j = i |
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230 if j < n and pat[j] in '!]': |
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231 j += 1 |
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232 while j < n and pat[j] != ']': |
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233 j += 1 |
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234 if j >= n: |
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235 res += '\\[' |
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236 else: |
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237 stuff = pat[i:j].replace('\\','\\\\') |
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238 i = j + 1 |
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239 if stuff[0] == '!': |
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240 stuff = '^' + stuff[1:] |
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241 elif stuff[0] == '^': |
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242 stuff = '\\' + stuff |
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243 res = '%s[%s]' % (res, stuff) |
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244 elif c == '{': |
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245 group += 1 |
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246 res += '(?:' |
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247 elif c == '}' and group: |
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248 res += ')' |
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249 group -= 1 |
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250 elif c == ',' and group: |
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251 res += '|' |
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252 elif c == '\\': |
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253 p = peek() |
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254 if p: |
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255 i += 1 |
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256 res += escape(p) |
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257 else: |
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258 res += escape(c) |
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259 else: |
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260 res += escape(c) |
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261 return res |
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262 |
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263 def _regex(kind, name, tail): |
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264 '''convert a pattern into a regular expression''' |
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265 if not name: |
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266 return '' |
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267 if kind == 're': |
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268 return name |
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269 elif kind == 'path': |
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270 return '^' + re.escape(name) + '(?:/|$)' |
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271 elif kind == 'relglob': |
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272 return '(?:|.*/)' + _globre(name) + tail |
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273 elif kind == 'relpath': |
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274 return re.escape(name) + '(?:/|$)' |
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275 elif kind == 'relre': |
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276 if name.startswith('^'): |
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277 return name |
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278 return '.*' + name |
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279 return _globre(name) + tail |
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280 |
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281 def _buildmatch(ctx, pats, tail): |
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282 fset, pats = _expandsets(pats, ctx) |
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283 if not pats: |
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284 return "", fset.__contains__ |
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285 |
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286 pat, mf = _buildregexmatch(pats, tail) |
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287 if fset: |
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288 return pat, lambda f: f in fset or mf(f) |
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289 return pat, mf |
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290 |
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291 def _buildregexmatch(pats, tail): |
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292 """build a matching function from a set of patterns""" |
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293 try: |
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294 pat = '(?:%s)' % '|'.join([_regex(k, p, tail) for (k, p) in pats]) |
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295 if len(pat) > 20000: |
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296 raise OverflowError |
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297 return pat, _rematcher(pat) |
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298 except OverflowError: |
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299 # We're using a Python with a tiny regex engine and we |
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300 # made it explode, so we'll divide the pattern list in two |
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301 # until it works |
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302 l = len(pats) |
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303 if l < 2: |
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304 raise |
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305 pata, a = _buildregexmatch(pats[:l//2], tail) |
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306 patb, b = _buildregexmatch(pats[l//2:], tail) |
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3e66eec9a814
add debugignore which yields the combined ignore patten of the .hgignore files
jfh <jason@jasonfharris.com>
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307 return pat, lambda s: a(s) or b(s) |
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308 except re.error: |
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309 for k, p in pats: |
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310 try: |
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311 _rematcher('(?:%s)' % _regex(k, p, tail)) |
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312 except re.error: |
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b046b90c4ae5
match: mark error messages for translation
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diff
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313 raise util.Abort(_("invalid pattern (%s): %s") % (k, p)) |
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314 raise util.Abort(_("invalid pattern")) |
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315 |
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505f64bb58af
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Martin Geisler <mg@lazybytes.net>
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316 def _normalize(names, default, root, cwd, auditor): |
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317 pats = [] |
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318 for kind, name in [_patsplit(p, default) for p in names]: |
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319 if kind in ('glob', 'relpath'): |
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f962870712da
pathutil: tease out a new library to break an import cycle from canonpath use
Augie Fackler <raf@durin42.com>
parents:
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320 name = pathutil.canonpath(root, cwd, name, auditor) |
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321 elif kind in ('relglob', 'path'): |
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322 name = util.normpath(name) |
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323 elif kind in ('listfile', 'listfile0'): |
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324 try: |
14248
25c68ac247c1
match: make 'listfile:' split on LF and CRLF
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325 files = util.readfile(name) |
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326 if kind == 'listfile0': |
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327 files = files.split('\0') |
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match: make 'listfile:' split on LF and CRLF
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|
328 else: |
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changeset
|
329 files = files.splitlines() |
13218
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330 files = [f for f in files if f] |
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|
331 except EnvironmentError: |
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|
332 raise util.Abort(_("unable to read file list (%s)") % name) |
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|
333 pats += _normalize(files, default, root, cwd, auditor) |
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|
334 continue |
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335 |
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336 pats.append((kind, name)) |
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337 return pats |
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338 |
8576
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339 def _roots(patterns): |
ec4ed21db4b2
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340 r = [] |
ec4ed21db4b2
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341 for kind, name in patterns: |
8584
0f06e72abfdc
match: fold _globprefix into _roots
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342 if kind == 'glob': # find the non-glob prefix |
0f06e72abfdc
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|
343 root = [] |
0f06e72abfdc
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|
344 for p in name.split('/'): |
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|
345 if '[' in p or '{' in p or '*' in p or '?' in p: |
0f06e72abfdc
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|
346 break |
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347 root.append(p) |
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348 r.append('/'.join(root) or '.') |
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349 elif kind in ('relpath', 'path'): |
8576
ec4ed21db4b2
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|
350 r.append(name or '.') |
19107
fcf08023c011
match: fix root calculation for combining regexps with simple paths
Mads Kiilerich <madski@unity3d.com>
parents:
18713
diff
changeset
|
351 else: # relglob, re, relre |
8576
ec4ed21db4b2
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352 r.append('.') |
ec4ed21db4b2
match: split up _normalizepats
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parents:
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diff
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|
353 return r |
ec4ed21db4b2
match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents:
8575
diff
changeset
|
354 |
ec4ed21db4b2
match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents:
8575
diff
changeset
|
355 def _anypats(patterns): |
ec4ed21db4b2
match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents:
8575
diff
changeset
|
356 for kind, name in patterns: |
16182
bd12ef347680
match: consider filesets as "anypats"
Patrick Mezard <patrick@mezard.eu>
parents:
15029
diff
changeset
|
357 if kind in ('glob', 're', 'relglob', 'relre', 'set'): |
8576
ec4ed21db4b2
match: split up _normalizepats
Matt Mackall <mpm@selenic.com>
parents:
8575
diff
changeset
|
358 return True |