Mercurial > hg
annotate mercurial/scmutil.py @ 17509:f7767f52e9eb
spelling: recursion
author | timeless@mozdev.org |
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date | Fri, 17 Aug 2012 13:58:18 -0700 |
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1 # scmutil.py - Mercurial core utility functions |
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2 # |
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3 # Copyright Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from i18n import _ |
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9 import util, error, osutil, revset, similar, encoding, phases |
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11 import os, errno, re, stat, sys, glob |
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12 |
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13 def nochangesfound(ui, repo, excluded=None): |
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14 '''Report no changes for push/pull, excluded is None or a list of |
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15 nodes excluded from the push/pull. |
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16 ''' |
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17 secretlist = [] |
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18 if excluded: |
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19 for n in excluded: |
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20 ctx = repo[n] |
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21 if ctx.phase() >= phases.secret and not ctx.extinct(): |
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22 secretlist.append(n) |
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23 |
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24 if secretlist: |
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25 ui.status(_("no changes found (ignored %d secret changesets)\n") |
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26 % len(secretlist)) |
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27 else: |
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28 ui.status(_("no changes found\n")) |
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29 |
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30 def checkfilename(f): |
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31 '''Check that the filename f is an acceptable filename for a tracked file''' |
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32 if '\r' in f or '\n' in f: |
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33 raise util.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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34 |
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35 def checkportable(ui, f): |
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36 '''Check if filename f is portable and warn or abort depending on config''' |
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37 checkfilename(f) |
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38 abort, warn = checkportabilityalert(ui) |
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39 if abort or warn: |
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40 msg = util.checkwinfilename(f) |
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41 if msg: |
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42 msg = "%s: %r" % (msg, f) |
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43 if abort: |
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44 raise util.Abort(msg) |
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45 ui.warn(_("warning: %s\n") % msg) |
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46 |
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47 def checkportabilityalert(ui): |
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48 '''check if the user's config requests nothing, a warning, or abort for |
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49 non-portable filenames''' |
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50 val = ui.config('ui', 'portablefilenames', 'warn') |
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51 lval = val.lower() |
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52 bval = util.parsebool(val) |
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53 abort = os.name == 'nt' or lval == 'abort' |
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54 warn = bval or lval == 'warn' |
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55 if bval is None and not (warn or abort or lval == 'ignore'): |
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56 raise error.ConfigError( |
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57 _("ui.portablefilenames value is invalid ('%s')") % val) |
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58 return abort, warn |
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59 |
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60 class casecollisionauditor(object): |
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61 def __init__(self, ui, abort, dirstate): |
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62 self._ui = ui |
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63 self._abort = abort |
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64 allfiles = '\0'.join(dirstate._map) |
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65 self._loweredfiles = set(encoding.lower(allfiles).split('\0')) |
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66 self._dirstate = dirstate |
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67 # The purpose of _newfiles is so that we don't complain about |
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68 # case collisions if someone were to call this object with the |
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69 # same filename twice. |
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70 self._newfiles = set() |
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71 |
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72 def __call__(self, f): |
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73 fl = encoding.lower(f) |
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74 if (fl in self._loweredfiles and f not in self._dirstate and |
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75 f not in self._newfiles): |
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76 msg = _('possible case-folding collision for %s') % f |
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77 if self._abort: |
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78 raise util.Abort(msg) |
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79 self._ui.warn(_("warning: %s\n") % msg) |
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80 self._loweredfiles.add(fl) |
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81 self._newfiles.add(f) |
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82 |
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83 class pathauditor(object): |
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84 '''ensure that a filesystem path contains no banned components. |
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85 the following properties of a path are checked: |
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86 |
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87 - ends with a directory separator |
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88 - under top-level .hg |
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89 - starts at the root of a windows drive |
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90 - contains ".." |
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91 - traverses a symlink (e.g. a/symlink_here/b) |
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92 - inside a nested repository (a callback can be used to approve |
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93 some nested repositories, e.g., subrepositories) |
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94 ''' |
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95 |
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96 def __init__(self, root, callback=None): |
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97 self.audited = set() |
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98 self.auditeddir = set() |
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99 self.root = root |
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100 self.callback = callback |
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101 if os.path.lexists(root) and not util.checkcase(root): |
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102 self.normcase = util.normcase |
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103 else: |
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104 self.normcase = lambda x: x |
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105 |
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106 def __call__(self, path): |
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107 '''Check the relative path. |
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108 path may contain a pattern (e.g. foodir/**.txt)''' |
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109 |
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110 path = util.localpath(path) |
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111 normpath = self.normcase(path) |
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112 if normpath in self.audited: |
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113 return |
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114 # AIX ignores "/" at end of path, others raise EISDIR. |
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115 if util.endswithsep(path): |
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116 raise util.Abort(_("path ends in directory separator: %s") % path) |
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117 parts = util.splitpath(path) |
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118 if (os.path.splitdrive(path)[0] |
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119 or parts[0].lower() in ('.hg', '.hg.', '') |
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120 or os.pardir in parts): |
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121 raise util.Abort(_("path contains illegal component: %s") % path) |
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122 if '.hg' in path.lower(): |
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123 lparts = [p.lower() for p in parts] |
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124 for p in '.hg', '.hg.': |
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125 if p in lparts[1:]: |
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126 pos = lparts.index(p) |
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127 base = os.path.join(*parts[:pos]) |
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128 raise util.Abort(_("path '%s' is inside nested repo %r") |
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129 % (path, base)) |
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130 |
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131 normparts = util.splitpath(normpath) |
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132 assert len(parts) == len(normparts) |
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133 |
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134 parts.pop() |
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135 normparts.pop() |
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136 prefixes = [] |
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137 while parts: |
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138 prefix = os.sep.join(parts) |
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139 normprefix = os.sep.join(normparts) |
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140 if normprefix in self.auditeddir: |
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141 break |
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142 curpath = os.path.join(self.root, prefix) |
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143 try: |
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144 st = os.lstat(curpath) |
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145 except OSError, err: |
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146 # EINVAL can be raised as invalid path syntax under win32. |
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147 # They must be ignored for patterns can be checked too. |
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148 if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL): |
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149 raise |
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150 else: |
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151 if stat.S_ISLNK(st.st_mode): |
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152 raise util.Abort( |
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153 _('path %r traverses symbolic link %r') |
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154 % (path, prefix)) |
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155 elif (stat.S_ISDIR(st.st_mode) and |
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156 os.path.isdir(os.path.join(curpath, '.hg'))): |
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157 if not self.callback or not self.callback(curpath): |
16683 | 158 raise util.Abort(_("path '%s' is inside nested " |
159 "repo %r") | |
160 % (path, prefix)) | |
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161 prefixes.append(normprefix) |
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162 parts.pop() |
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163 normparts.pop() |
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164 |
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165 self.audited.add(normpath) |
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166 # only add prefixes to the cache after checking everything: we don't |
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167 # want to add "foo/bar/baz" before checking if there's a "foo/.hg" |
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168 self.auditeddir.update(prefixes) |
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169 |
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170 class abstractopener(object): |
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171 """Abstract base class; cannot be instantiated""" |
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172 |
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173 def __init__(self, *args, **kwargs): |
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174 '''Prevent instantiation; don't call this from subclasses.''' |
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175 raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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176 |
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177 def tryread(self, path): |
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178 '''gracefully return an empty string for missing files''' |
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179 try: |
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180 return self.read(path) |
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181 except IOError, inst: |
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182 if inst.errno != errno.ENOENT: |
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183 raise |
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184 return "" |
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185 |
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186 def read(self, path): |
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187 fp = self(path, 'rb') |
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188 try: |
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189 return fp.read() |
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190 finally: |
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191 fp.close() |
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192 |
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193 def write(self, path, data): |
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194 fp = self(path, 'wb') |
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195 try: |
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196 return fp.write(data) |
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197 finally: |
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198 fp.close() |
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199 |
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200 def append(self, path, data): |
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201 fp = self(path, 'ab') |
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202 try: |
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203 return fp.write(data) |
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204 finally: |
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205 fp.close() |
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206 |
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207 def mkdir(self, path=None): |
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208 return os.mkdir(self.join(path)) |
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209 |
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210 def exists(self, path=None): |
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211 return os.path.exists(self.join(path)) |
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212 |
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213 def isdir(self, path=None): |
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214 return os.path.isdir(self.join(path)) |
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215 |
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216 def makedir(self, path=None, notindexed=True): |
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217 return util.makedir(self.join(path), notindexed) |
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218 |
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219 def makedirs(self, path=None, mode=None): |
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220 return util.makedirs(self.join(path), mode) |
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221 |
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222 class opener(abstractopener): |
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223 '''Open files relative to a base directory |
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224 |
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225 This class is used to hide the details of COW semantics and |
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226 remote file access from higher level code. |
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227 ''' |
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228 def __init__(self, base, audit=True, expand=False): |
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229 if expand: |
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230 base = os.path.realpath(util.expandpath(base)) |
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231 self.base = base |
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232 self._audit = audit |
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233 if audit: |
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234 self.auditor = pathauditor(base) |
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235 else: |
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236 self.auditor = util.always |
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237 self.createmode = None |
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238 self._trustnlink = None |
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239 |
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240 @util.propertycache |
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241 def _cansymlink(self): |
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242 return util.checklink(self.base) |
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243 |
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244 def _fixfilemode(self, name): |
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245 if self.createmode is None: |
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246 return |
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247 os.chmod(name, self.createmode & 0666) |
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248 |
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249 def __call__(self, path, mode="r", text=False, atomictemp=False): |
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250 if self._audit: |
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251 r = util.checkosfilename(path) |
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252 if r: |
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253 raise util.Abort("%s: %r" % (r, path)) |
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254 self.auditor(path) |
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255 f = self.join(path) |
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256 |
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257 if not text and "b" not in mode: |
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258 mode += "b" # for that other OS |
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259 |
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260 nlink = -1 |
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261 dirname, basename = os.path.split(f) |
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262 # If basename is empty, then the path is malformed because it points |
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263 # to a directory. Let the posixfile() call below raise IOError. |
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264 if basename and mode not in ('r', 'rb'): |
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265 if atomictemp: |
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266 if not os.path.isdir(dirname): |
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267 util.makedirs(dirname, self.createmode) |
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268 return util.atomictempfile(f, mode, self.createmode) |
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269 try: |
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270 if 'w' in mode: |
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271 util.unlink(f) |
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272 nlink = 0 |
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273 else: |
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274 # nlinks() may behave differently for files on Windows |
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275 # shares if the file is open. |
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276 fd = util.posixfile(f) |
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277 nlink = util.nlinks(f) |
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278 if nlink < 1: |
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279 nlink = 2 # force mktempcopy (issue1922) |
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280 fd.close() |
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281 except (OSError, IOError), e: |
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282 if e.errno != errno.ENOENT: |
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283 raise |
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284 nlink = 0 |
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285 if not os.path.isdir(dirname): |
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286 util.makedirs(dirname, self.createmode) |
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287 if nlink > 0: |
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288 if self._trustnlink is None: |
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289 self._trustnlink = nlink > 1 or util.checknlink(f) |
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290 if nlink > 1 or not self._trustnlink: |
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291 util.rename(util.mktempcopy(f), f) |
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292 fp = util.posixfile(f, mode) |
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293 if nlink == 0: |
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294 self._fixfilemode(f) |
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295 return fp |
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296 |
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297 def symlink(self, src, dst): |
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298 self.auditor(dst) |
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299 linkname = self.join(dst) |
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300 try: |
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301 os.unlink(linkname) |
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302 except OSError: |
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303 pass |
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304 |
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305 dirname = os.path.dirname(linkname) |
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306 if not os.path.exists(dirname): |
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307 util.makedirs(dirname, self.createmode) |
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308 |
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309 if self._cansymlink: |
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310 try: |
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311 os.symlink(src, linkname) |
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312 except OSError, err: |
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313 raise OSError(err.errno, _('could not symlink to %r: %s') % |
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314 (src, err.strerror), linkname) |
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315 else: |
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316 f = self(dst, "w") |
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317 f.write(src) |
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318 f.close() |
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319 self._fixfilemode(dst) |
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320 |
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321 def audit(self, path): |
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322 self.auditor(path) |
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323 |
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324 def join(self, path): |
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325 if path: |
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326 return os.path.join(self.base, path) |
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327 else: |
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328 return self.base |
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329 |
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330 class filteropener(abstractopener): |
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331 '''Wrapper opener for filtering filenames with a function.''' |
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332 |
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333 def __init__(self, opener, filter): |
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334 self._filter = filter |
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335 self._orig = opener |
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336 |
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337 def __call__(self, path, *args, **kwargs): |
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338 return self._orig(self._filter(path), *args, **kwargs) |
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339 |
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340 def canonpath(root, cwd, myname, auditor=None): |
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341 '''return the canonical path of myname, given cwd and root''' |
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342 if util.endswithsep(root): |
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343 rootsep = root |
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344 else: |
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345 rootsep = root + os.sep |
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346 name = myname |
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347 if not os.path.isabs(name): |
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348 name = os.path.join(root, cwd, name) |
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349 name = os.path.normpath(name) |
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350 if auditor is None: |
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351 auditor = pathauditor(root) |
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352 if name != rootsep and name.startswith(rootsep): |
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353 name = name[len(rootsep):] |
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354 auditor(name) |
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355 return util.pconvert(name) |
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356 elif name == root: |
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357 return '' |
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358 else: |
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359 # Determine whether `name' is in the hierarchy at or beneath `root', |
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360 # by iterating name=dirname(name) until that causes no change (can't |
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361 # check name == '/', because that doesn't work on windows). The list |
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362 # `rel' holds the reversed list of components making up the relative |
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363 # file name we want. |
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364 rel = [] |
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365 while True: |
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366 try: |
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367 s = util.samefile(name, root) |
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368 except OSError: |
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369 s = False |
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370 if s: |
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371 if not rel: |
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372 # name was actually the same as root (maybe a symlink) |
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373 return '' |
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374 rel.reverse() |
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375 name = os.path.join(*rel) |
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376 auditor(name) |
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377 return util.pconvert(name) |
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378 dirname, basename = os.path.split(name) |
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379 rel.append(basename) |
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380 if dirname == name: |
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381 break |
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382 name = dirname |
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383 |
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384 raise util.Abort('%s not under root' % myname) |
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385 |
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386 def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): |
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387 '''yield every hg repository under path, always recursively. |
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388 The recurse flag will only control recursion into repo working dirs''' |
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389 def errhandler(err): |
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390 if err.filename == path: |
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391 raise err |
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392 samestat = getattr(os.path, 'samestat', None) |
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393 if followsym and samestat is not None: |
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394 def adddir(dirlst, dirname): |
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395 match = False |
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396 dirstat = os.stat(dirname) |
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397 for lstdirstat in dirlst: |
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398 if samestat(dirstat, lstdirstat): |
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399 match = True |
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400 break |
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401 if not match: |
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402 dirlst.append(dirstat) |
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403 return not match |
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404 else: |
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405 followsym = False |
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406 |
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407 if (seen_dirs is None) and followsym: |
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408 seen_dirs = [] |
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409 adddir(seen_dirs, path) |
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410 for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): |
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411 dirs.sort() |
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412 if '.hg' in dirs: |
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413 yield root # found a repository |
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414 qroot = os.path.join(root, '.hg', 'patches') |
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415 if os.path.isdir(os.path.join(qroot, '.hg')): |
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416 yield qroot # we have a patch queue repo here |
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417 if recurse: |
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418 # avoid recursing inside the .hg directory |
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419 dirs.remove('.hg') |
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420 else: |
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421 dirs[:] = [] # don't descend further |
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422 elif followsym: |
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423 newdirs = [] |
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424 for d in dirs: |
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425 fname = os.path.join(root, d) |
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426 if adddir(seen_dirs, fname): |
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427 if os.path.islink(fname): |
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428 for hgname in walkrepos(fname, True, seen_dirs): |
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429 yield hgname |
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430 else: |
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431 newdirs.append(d) |
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432 dirs[:] = newdirs |
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433 |
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434 def osrcpath(): |
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435 '''return default os-specific hgrc search path''' |
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436 path = systemrcpath() |
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437 path.extend(userrcpath()) |
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438 path = [os.path.normpath(f) for f in path] |
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439 return path |
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440 |
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441 _rcpath = None |
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442 |
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443 def rcpath(): |
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444 '''return hgrc search path. if env var HGRCPATH is set, use it. |
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445 for each item in path, if directory, use files ending in .rc, |
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446 else use item. |
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447 make HGRCPATH empty to only look in .hg/hgrc of current repo. |
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448 if no HGRCPATH, use default os-specific path.''' |
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449 global _rcpath |
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450 if _rcpath is None: |
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451 if 'HGRCPATH' in os.environ: |
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452 _rcpath = [] |
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453 for p in os.environ['HGRCPATH'].split(os.pathsep): |
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454 if not p: |
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455 continue |
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456 p = util.expandpath(p) |
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457 if os.path.isdir(p): |
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changeset
|
458 for f, kind in osutil.listdir(p): |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
459 if f.endswith('.rc'): |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
460 _rcpath.append(os.path.join(p, f)) |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
461 else: |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
462 _rcpath.append(p) |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
463 else: |
14224
f4189866c76c
rename scmutil.os_rcpath to osrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14220
diff
changeset
|
464 _rcpath = osrcpath() |
13984
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
465 return _rcpath |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
466 |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
467 if os.name != 'nt': |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
468 |
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parents:
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diff
changeset
|
469 def rcfiles(path): |
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parents:
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diff
changeset
|
470 rcs = [os.path.join(path, 'hgrc')] |
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parents:
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diff
changeset
|
471 rcdir = os.path.join(path, 'hgrc.d') |
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parents:
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diff
changeset
|
472 try: |
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parents:
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diff
changeset
|
473 rcs.extend([os.path.join(rcdir, f) |
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move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
474 for f, kind in osutil.listdir(rcdir) |
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move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
475 if f.endswith(".rc")]) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
476 except OSError: |
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move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
477 pass |
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move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
478 return rcs |
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parents:
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diff
changeset
|
479 |
14225
f0ca440b5722
rename scmutil.system_rcpath to systemrcpath
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parents:
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diff
changeset
|
480 def systemrcpath(): |
13986
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parents:
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diff
changeset
|
481 path = [] |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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diff
changeset
|
482 if sys.platform == 'plan9': |
16436
e98460f6089d
scmutil: fix systemrcpath regression introduced in f5dd179bfa4a
Wolfgang Treutterer <Wolfgang.Treutterer@ipp.mpg.de>
parents:
16390
diff
changeset
|
483 root = 'lib/mercurial' |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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diff
changeset
|
484 else: |
16436
e98460f6089d
scmutil: fix systemrcpath regression introduced in f5dd179bfa4a
Wolfgang Treutterer <Wolfgang.Treutterer@ipp.mpg.de>
parents:
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diff
changeset
|
485 root = 'etc/mercurial' |
13986
9c374cf76b7d
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parents:
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diff
changeset
|
486 # old mod_python does not set sys.argv |
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parents:
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diff
changeset
|
487 if len(getattr(sys, 'argv', [])) > 0: |
14527
5867bd6e7cf5
scmutil: improve path calculation for install-relative RC files (issue2841)
Matt Mackall <mpm@selenic.com>
parents:
14484
diff
changeset
|
488 p = os.path.dirname(os.path.dirname(sys.argv[0])) |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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diff
changeset
|
489 path.extend(rcfiles(os.path.join(p, root))) |
16436
e98460f6089d
scmutil: fix systemrcpath regression introduced in f5dd179bfa4a
Wolfgang Treutterer <Wolfgang.Treutterer@ipp.mpg.de>
parents:
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diff
changeset
|
490 path.extend(rcfiles('/' + root)) |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
491 return path |
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parents:
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diff
changeset
|
492 |
14226
73cca883370d
rename scmutil.user_rcpath to userrcpath
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parents:
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diff
changeset
|
493 def userrcpath(): |
16383
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plan9: initial support for plan 9 from bell labs
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parents:
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diff
changeset
|
494 if sys.platform == 'plan9': |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
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parents:
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diff
changeset
|
495 return [os.environ['home'] + '/lib/hgrc'] |
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plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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diff
changeset
|
496 else: |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
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diff
changeset
|
497 return [os.path.expanduser('~/.hgrc')] |
13986
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diff
changeset
|
498 |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
499 else: |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
500 |
16808
572d5e254f20
scmutil: use _winreg.HKEY_LOCAL_MACHINE
Adrian Buehlmann <adrian@cadifra.com>
parents:
16791
diff
changeset
|
501 import _winreg |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
502 |
14225
f0ca440b5722
rename scmutil.system_rcpath to systemrcpath
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parents:
14224
diff
changeset
|
503 def systemrcpath(): |
13986
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parents:
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diff
changeset
|
504 '''return default os-specific hgrc search path''' |
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move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
505 rcpath = [] |
14236
e949a008999d
rename util.executable_path to executablepath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14230
diff
changeset
|
506 filename = util.executablepath() |
13986
9c374cf76b7d
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parents:
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diff
changeset
|
507 # Use mercurial.ini found in directory with hg.exe |
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parents:
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diff
changeset
|
508 progrc = os.path.join(os.path.dirname(filename), 'mercurial.ini') |
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parents:
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diff
changeset
|
509 if os.path.isfile(progrc): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
510 rcpath.append(progrc) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
511 return rcpath |
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move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
512 # Use hgrc.d found in directory with hg.exe |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
513 progrcd = os.path.join(os.path.dirname(filename), 'hgrc.d') |
9c374cf76b7d
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parents:
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diff
changeset
|
514 if os.path.isdir(progrcd): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
515 for f, kind in osutil.listdir(progrcd): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
516 if f.endswith('.rc'): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
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diff
changeset
|
517 rcpath.append(os.path.join(progrcd, f)) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
518 return rcpath |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
519 # else look for a system rcpath in the registry |
14230
d51630301241
rename util.lookup_reg to lookupreg
Adrian Buehlmann <adrian@cadifra.com>
parents:
14227
diff
changeset
|
520 value = util.lookupreg('SOFTWARE\\Mercurial', None, |
16808
572d5e254f20
scmutil: use _winreg.HKEY_LOCAL_MACHINE
Adrian Buehlmann <adrian@cadifra.com>
parents:
16791
diff
changeset
|
521 _winreg.HKEY_LOCAL_MACHINE) |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
522 if not isinstance(value, str) or not value: |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
523 return rcpath |
16068
73aaff46175b
use util.localpath() instead of 'str.replace()' to unify path conversion
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
15993
diff
changeset
|
524 value = util.localpath(value) |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
525 for p in value.split(os.pathsep): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
526 if p.lower().endswith('mercurial.ini'): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
527 rcpath.append(p) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
528 elif os.path.isdir(p): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
529 for f, kind in osutil.listdir(p): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
530 if f.endswith('.rc'): |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
531 rcpath.append(os.path.join(p, f)) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
532 return rcpath |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
533 |
14226
73cca883370d
rename scmutil.user_rcpath to userrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14225
diff
changeset
|
534 def userrcpath(): |
13986
9c374cf76b7d
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parents:
13985
diff
changeset
|
535 '''return os-specific hgrc search path to the user dir''' |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
536 home = os.path.expanduser('~') |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
537 path = [os.path.join(home, 'mercurial.ini'), |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
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parents:
13985
diff
changeset
|
538 os.path.join(home, '.hgrc')] |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
539 userprofile = os.environ.get('USERPROFILE') |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
540 if userprofile: |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
541 path.append(os.path.join(userprofile, 'mercurial.ini')) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
542 path.append(os.path.join(userprofile, '.hgrc')) |
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
543 return path |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
544 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
545 def revsingle(repo, revspec, default='.'): |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
546 if not revspec: |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
547 return repo[default] |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
548 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
549 l = revrange(repo, [revspec]) |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
550 if len(l) < 1: |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
551 raise util.Abort(_('empty revision set')) |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
552 return repo[l[-1]] |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
553 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
554 def revpair(repo, revs): |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
555 if not revs: |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
556 return repo.dirstate.p1(), None |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
557 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
558 l = revrange(repo, revs) |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
559 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
560 if len(l) == 0: |
16790
2a0efa1112ac
revpair: handle odd ranges (issue3474)
Matt Mackall <mpm@selenic.com>
parents:
16479
diff
changeset
|
561 if revs: |
2a0efa1112ac
revpair: handle odd ranges (issue3474)
Matt Mackall <mpm@selenic.com>
parents:
16479
diff
changeset
|
562 raise util.Abort(_('empty revision range')) |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
563 return repo.dirstate.p1(), None |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
564 |
16790
2a0efa1112ac
revpair: handle odd ranges (issue3474)
Matt Mackall <mpm@selenic.com>
parents:
16479
diff
changeset
|
565 if len(l) == 1 and len(revs) == 1 and _revrangesep not in revs[0]: |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
566 return repo.lookup(l[0]), None |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
567 |
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568 return repo.lookup(l[0]), repo.lookup(l[-1]) |
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569 |
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570 _revrangesep = ':' |
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571 |
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572 def revrange(repo, revs): |
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573 """Yield revision as strings from a list of revision specifications.""" |
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574 |
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575 def revfix(repo, val, defval): |
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576 if not val and val != 0 and defval is not None: |
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577 return defval |
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578 return repo[val].rev() |
14319
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579 |
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580 seen, l = set(), [] |
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581 for spec in revs: |
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582 if l and not seen: |
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583 seen = set(l) |
14319
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584 # attempt to parse old-style ranges first to deal with |
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585 # things like old-tag which contain query metacharacters |
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586 try: |
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587 if isinstance(spec, int): |
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588 seen.add(spec) |
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589 l.append(spec) |
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590 continue |
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|
591 |
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592 if _revrangesep in spec: |
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593 start, end = spec.split(_revrangesep, 1) |
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594 start = revfix(repo, start, 0) |
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595 end = revfix(repo, end, len(repo) - 1) |
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596 step = start > end and -1 or 1 |
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597 if not seen and not l: |
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598 # by far the most common case: revs = ["-1:0"] |
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599 l = range(start, end + step, step) |
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600 # defer syncing seen until next iteration |
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601 continue |
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602 newrevs = set(xrange(start, end + step, step)) |
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603 if seen: |
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604 newrevs.difference_update(seen) |
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605 seen.update(newrevs) |
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606 else: |
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607 seen = newrevs |
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608 l.extend(sorted(newrevs, reverse=start > end)) |
14319
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609 continue |
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610 elif spec and spec in repo: # single unquoted rev |
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611 rev = revfix(repo, spec, None) |
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612 if rev in seen: |
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613 continue |
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614 seen.add(rev) |
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615 l.append(rev) |
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616 continue |
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617 except error.RepoLookupError: |
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618 pass |
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619 |
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620 # fall through to new-style queries if old-style fails |
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621 m = revset.match(repo.ui, spec) |
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622 dl = [r for r in m(repo, xrange(len(repo))) if r not in seen] |
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623 l.extend(dl) |
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624 seen.update(dl) |
14319
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625 |
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626 return l |
14320 | 627 |
628 def expandpats(pats): | |
629 if not util.expandglobs: | |
630 return list(pats) | |
631 ret = [] | |
632 for p in pats: | |
633 kind, name = matchmod._patsplit(p, None) | |
634 if kind is None: | |
635 try: | |
636 globbed = glob.glob(name) | |
637 except re.error: | |
638 globbed = [name] | |
639 if globbed: | |
640 ret.extend(globbed) | |
641 continue | |
642 ret.append(p) | |
643 return ret | |
644 | |
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645 def matchandpats(ctx, pats=[], opts={}, globbed=False, default='relpath'): |
14320 | 646 if pats == ("",): |
647 pats = [] | |
648 if not globbed and default == 'relpath': | |
649 pats = expandpats(pats or []) | |
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650 |
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651 m = ctx.match(pats, opts.get('include'), opts.get('exclude'), |
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diff
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|
652 default) |
14320 | 653 def badfn(f, msg): |
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654 ctx._repo.ui.warn("%s: %s\n" % (m.rel(f), msg)) |
14320 | 655 m.bad = badfn |
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656 return m, pats |
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|
657 |
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|
658 def match(ctx, pats=[], opts={}, globbed=False, default='relpath'): |
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|
659 return matchandpats(ctx, pats, opts, globbed, default)[0] |
14320 | 660 |
661 def matchall(repo): | |
662 return matchmod.always(repo.root, repo.getcwd()) | |
663 | |
664 def matchfiles(repo, files): | |
665 return matchmod.exact(repo.root, repo.getcwd(), files) | |
666 | |
667 def addremove(repo, pats=[], opts={}, dry_run=None, similarity=None): | |
668 if dry_run is None: | |
669 dry_run = opts.get('dry_run') | |
670 if similarity is None: | |
671 similarity = float(opts.get('similarity') or 0) | |
672 # we'd use status here, except handling of symlinks and ignore is tricky | |
673 added, unknown, deleted, removed = [], [], [], [] | |
674 audit_path = pathauditor(repo.root) | |
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|
675 m = match(repo[None], pats, opts) |
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676 rejected = [] |
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677 m.bad = lambda x, y: rejected.append(x) |
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|
678 |
14320 | 679 for abs in repo.walk(m): |
680 target = repo.wjoin(abs) | |
681 good = True | |
682 try: | |
683 audit_path(abs) | |
684 except (OSError, util.Abort): | |
685 good = False | |
686 rel = m.rel(abs) | |
687 exact = m.exact(abs) | |
688 if good and abs not in repo.dirstate: | |
689 unknown.append(abs) | |
690 if repo.ui.verbose or not exact: | |
691 repo.ui.status(_('adding %s\n') % ((pats and rel) or abs)) | |
16683 | 692 elif (repo.dirstate[abs] != 'r' and |
693 (not good or not os.path.lexists(target) or | |
694 (os.path.isdir(target) and not os.path.islink(target)))): | |
14320 | 695 deleted.append(abs) |
696 if repo.ui.verbose or not exact: | |
697 repo.ui.status(_('removing %s\n') % ((pats and rel) or abs)) | |
698 # for finding renames | |
699 elif repo.dirstate[abs] == 'r': | |
700 removed.append(abs) | |
701 elif repo.dirstate[abs] == 'a': | |
702 added.append(abs) | |
703 copies = {} | |
704 if similarity > 0: | |
705 for old, new, score in similar.findrenames(repo, | |
706 added + unknown, removed + deleted, similarity): | |
707 if repo.ui.verbose or not m.exact(old) or not m.exact(new): | |
708 repo.ui.status(_('recording removal of %s as rename to %s ' | |
709 '(%d%% similar)\n') % | |
710 (m.rel(old), m.rel(new), score * 100)) | |
711 copies[new] = old | |
712 | |
713 if not dry_run: | |
714 wctx = repo[None] | |
715 wlock = repo.wlock() | |
716 try: | |
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5f6090e559fa
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diff
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|
717 wctx.forget(deleted) |
14320 | 718 wctx.add(unknown) |
719 for new, old in copies.iteritems(): | |
720 wctx.copy(old, new) | |
721 finally: | |
722 wlock.release() | |
723 | |
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|
724 for f in rejected: |
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|
725 if f in m.files(): |
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|
726 return 1 |
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|
727 return 0 |
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|
728 |
14320 | 729 def updatedir(ui, repo, patches, similarity=0): |
730 '''Update dirstate after patch application according to metadata''' | |
731 if not patches: | |
732 return [] | |
733 copies = [] | |
734 removes = set() | |
735 cfiles = patches.keys() | |
736 cwd = repo.getcwd() | |
737 if cwd: | |
738 cfiles = [util.pathto(repo.root, cwd, f) for f in patches.keys()] | |
739 for f in patches: | |
740 gp = patches[f] | |
741 if not gp: | |
742 continue | |
743 if gp.op == 'RENAME': | |
744 copies.append((gp.oldpath, gp.path)) | |
745 removes.add(gp.oldpath) | |
746 elif gp.op == 'COPY': | |
747 copies.append((gp.oldpath, gp.path)) | |
748 elif gp.op == 'DELETE': | |
749 removes.add(gp.path) | |
750 | |
751 wctx = repo[None] | |
752 for src, dst in copies: | |
753 dirstatecopy(ui, repo, wctx, src, dst, cwd=cwd) | |
754 if (not similarity) and removes: | |
755 wctx.remove(sorted(removes), True) | |
756 | |
757 for f in patches: | |
758 gp = patches[f] | |
759 if gp and gp.mode: | |
760 islink, isexec = gp.mode | |
761 dst = repo.wjoin(gp.path) | |
762 # patch won't create empty files | |
763 if gp.op == 'ADD' and not os.path.lexists(dst): | |
764 flags = (isexec and 'x' or '') + (islink and 'l' or '') | |
765 repo.wwrite(gp.path, '', flags) | |
766 util.setflags(dst, islink, isexec) | |
767 addremove(repo, cfiles, similarity=similarity) | |
768 files = patches.keys() | |
769 files.extend([r for r in removes if r not in files]) | |
770 return sorted(files) | |
771 | |
772 def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None): | |
773 """Update the dirstate to reflect the intent of copying src to dst. For | |
774 different reasons it might not end with dst being marked as copied from src. | |
775 """ | |
776 origsrc = repo.dirstate.copied(src) or src | |
777 if dst == origsrc: # copying back a copy? | |
778 if repo.dirstate[dst] not in 'mn' and not dryrun: | |
779 repo.dirstate.normallookup(dst) | |
780 else: | |
781 if repo.dirstate[origsrc] == 'a' and origsrc == src: | |
782 if not ui.quiet: | |
783 ui.warn(_("%s has not been committed yet, so no copy " | |
784 "data will be stored for %s.\n") | |
785 % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd))) | |
786 if repo.dirstate[dst] in '?r' and not dryrun: | |
787 wctx.add([dst]) | |
788 elif not dryrun: | |
789 wctx.copy(origsrc, dst) | |
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58b36e9ea783
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changeset
|
790 |
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diff
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|
791 def readrequires(opener, supported): |
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792 '''Reads and parses .hg/requires and checks if all entries found |
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|
793 are in the list of supported features.''' |
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diff
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|
794 requirements = set(opener.read("requires").splitlines()) |
14746
72e4fcb43227
requirements: show all missing features in the error message.
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diff
changeset
|
795 missings = [] |
14482
58b36e9ea783
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diff
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|
796 for r in requirements: |
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changeset
|
797 if r not in supported: |
14484
4582a4dd1817
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
798 if not r or not r[0].isalnum(): |
4582a4dd1817
requires: note apparent corruption
Matt Mackall <mpm@selenic.com>
parents:
14483
diff
changeset
|
799 raise error.RequirementError(_(".hg/requires file is corrupt")) |
14746
72e4fcb43227
requirements: show all missing features in the error message.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
14720
diff
changeset
|
800 missings.append(r) |
72e4fcb43227
requirements: show all missing features in the error message.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
14720
diff
changeset
|
801 missings.sort() |
72e4fcb43227
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
14720
diff
changeset
|
802 if missings: |
16683 | 803 raise error.RequirementError( |
804 _("unknown repository format: requires features '%s' (upgrade " | |
805 "Mercurial)") % "', '".join(missings)) | |
14482
58b36e9ea783
introduce new function scmutil.readrequires
Adrian Buehlmann <adrian@cadifra.com>
parents:
14435
diff
changeset
|
806 return requirements |
14928
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
807 |
dca59d5be12d
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diff
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|
808 class filecacheentry(object): |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
809 def __init__(self, path): |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
810 self.path = path |
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parents:
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diff
changeset
|
811 self.cachestat = filecacheentry.stat(self.path) |
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parents:
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diff
changeset
|
812 |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
813 if self.cachestat: |
dca59d5be12d
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parents:
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diff
changeset
|
814 self._cacheable = self.cachestat.cacheable() |
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scmutil: introduce filecache
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parents:
14861
diff
changeset
|
815 else: |
dca59d5be12d
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Idan Kamara <idankk86@gmail.com>
parents:
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diff
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|
816 # None means we don't know yet |
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parents:
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|
817 self._cacheable = None |
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parents:
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diff
changeset
|
818 |
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parents:
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diff
changeset
|
819 def refresh(self): |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
820 if self.cacheable(): |
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scmutil: introduce filecache
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parents:
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diff
changeset
|
821 self.cachestat = filecacheentry.stat(self.path) |
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scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
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diff
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|
822 |
dca59d5be12d
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|
823 def cacheable(self): |
dca59d5be12d
scmutil: introduce filecache
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parents:
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|
824 if self._cacheable is not None: |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
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|
825 return self._cacheable |
dca59d5be12d
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parents:
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diff
changeset
|
826 |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
827 # we don't know yet, assume it is for now |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
828 return True |
dca59d5be12d
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parents:
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diff
changeset
|
829 |
dca59d5be12d
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parents:
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diff
changeset
|
830 def changed(self): |
dca59d5be12d
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parents:
14861
diff
changeset
|
831 # no point in going further if we can't cache it |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
832 if not self.cacheable(): |
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scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
833 return True |
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parents:
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diff
changeset
|
834 |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
835 newstat = filecacheentry.stat(self.path) |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
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|
836 |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
837 # we may not know if it's cacheable yet, check again now |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
838 if newstat and self._cacheable is None: |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
839 self._cacheable = newstat.cacheable() |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
840 |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
841 # check again |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
842 if not self._cacheable: |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
843 return True |
dca59d5be12d
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parents:
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diff
changeset
|
844 |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
845 if self.cachestat != newstat: |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
846 self.cachestat = newstat |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
847 return True |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
848 else: |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
849 return False |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
850 |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
851 @staticmethod |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
852 def stat(path): |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
853 try: |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
854 return util.cachestat(path) |
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parents:
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diff
changeset
|
855 except OSError, e: |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
856 if e.errno != errno.ENOENT: |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
857 raise |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
858 |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
859 class filecache(object): |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
860 '''A property like decorator that tracks a file under .hg/ for updates. |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
861 |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
862 Records stat info when called in _filecache. |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
863 |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
864 On subsequent calls, compares old stat info with new info, and recreates |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
865 the object when needed, updating the new stat info in _filecache. |
dca59d5be12d
scmutil: introduce filecache
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parents:
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diff
changeset
|
866 |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
867 Mercurial either atomic renames or appends for files under .hg, |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
868 so to ensure the cache is reliable we need the filesystem to be able |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
869 to tell us if a file has been replaced. If it can't, we fallback to |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
14861
diff
changeset
|
870 recreating the object on every call (essentially the same behaviour as |
dca59d5be12d
scmutil: introduce filecache
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parents:
14861
diff
changeset
|
871 propertycache).''' |
16198
fa8488565afd
filecache: refactor path join logic to a function
Idan Kamara <idankk86@gmail.com>
parents:
16115
diff
changeset
|
872 def __init__(self, path): |
14928
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scmutil: introduce filecache
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parents:
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diff
changeset
|
873 self.path = path |
16198
fa8488565afd
filecache: refactor path join logic to a function
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
874 |
fa8488565afd
filecache: refactor path join logic to a function
Idan Kamara <idankk86@gmail.com>
parents:
16115
diff
changeset
|
875 def join(self, obj, fname): |
fa8488565afd
filecache: refactor path join logic to a function
Idan Kamara <idankk86@gmail.com>
parents:
16115
diff
changeset
|
876 """Used to compute the runtime path of the cached file. |
fa8488565afd
filecache: refactor path join logic to a function
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parents:
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diff
changeset
|
877 |
fa8488565afd
filecache: refactor path join logic to a function
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
878 Users should subclass filecache and provide their own version of this |
fa8488565afd
filecache: refactor path join logic to a function
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parents:
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diff
changeset
|
879 function to call the appropriate join function on 'obj' (an instance |
fa8488565afd
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parents:
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diff
changeset
|
880 of the class that its member function was decorated). |
fa8488565afd
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parents:
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diff
changeset
|
881 """ |
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Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
882 return obj.join(fname) |
14928
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scmutil: introduce filecache
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parents:
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diff
changeset
|
883 |
dca59d5be12d
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parents:
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diff
changeset
|
884 def __call__(self, func): |
dca59d5be12d
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parents:
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diff
changeset
|
885 self.func = func |
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diff
changeset
|
886 self.name = func.__name__ |
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diff
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|
887 return self |
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diff
changeset
|
888 |
dca59d5be12d
scmutil: introduce filecache
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
889 def __get__(self, obj, type=None): |
16115
236bb604dc39
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parents:
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diff
changeset
|
890 # do we need to check if the file changed? |
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diff
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|
891 if self.name in obj.__dict__: |
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parents:
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diff
changeset
|
892 return obj.__dict__[self.name] |
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parents:
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diff
changeset
|
893 |
14928
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diff
changeset
|
894 entry = obj._filecache.get(self.name) |
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parents:
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diff
changeset
|
895 |
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parents:
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diff
changeset
|
896 if entry: |
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parents:
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diff
changeset
|
897 if entry.changed(): |
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parents:
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diff
changeset
|
898 entry.obj = self.func(obj) |
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parents:
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diff
changeset
|
899 else: |
16198
fa8488565afd
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Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
900 path = self.join(obj, self.path) |
14928
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parents:
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diff
changeset
|
901 |
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diff
changeset
|
902 # We stat -before- creating the object so our cache doesn't lie if |
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parents:
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diff
changeset
|
903 # a writer modified between the time we read and stat |
dca59d5be12d
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parents:
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diff
changeset
|
904 entry = filecacheentry(path) |
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parents:
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diff
changeset
|
905 entry.obj = self.func(obj) |
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parents:
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diff
changeset
|
906 |
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Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
907 obj._filecache[self.name] = entry |
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Idan Kamara <idankk86@gmail.com>
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diff
changeset
|
908 |
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parents:
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diff
changeset
|
909 obj.__dict__[self.name] = entry.obj |
14928
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|
910 return entry.obj |
16115
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diff
changeset
|
911 |
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diff
changeset
|
912 def __set__(self, obj, value): |
236bb604dc39
scmutil: update cached copy when filecached attribute is assigned (issue3263)
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parents:
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diff
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|
913 if self.name in obj._filecache: |
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diff
changeset
|
914 obj._filecache[self.name].obj = value # update cached copy |
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parents:
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diff
changeset
|
915 obj.__dict__[self.name] = value # update copy returned by obj.x |
236bb604dc39
scmutil: update cached copy when filecached attribute is assigned (issue3263)
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parents:
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diff
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|
916 |
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scmutil: update cached copy when filecached attribute is assigned (issue3263)
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parents:
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diff
changeset
|
917 def __delete__(self, obj): |
236bb604dc39
scmutil: update cached copy when filecached attribute is assigned (issue3263)
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parents:
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diff
changeset
|
918 try: |
236bb604dc39
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diff
changeset
|
919 del obj.__dict__[self.name] |
236bb604dc39
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parents:
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diff
changeset
|
920 except KeyError: |
236bb604dc39
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parents:
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diff
changeset
|
921 raise AttributeError, self.name |