Mercurial > hg
annotate mercurial/scmutil.py @ 30068:a76d5ba7ac43
pull: grab wlock during pull
because pull might move bookmarks and bookmark are protected by wlock, we have
to grab wlock for pull :-(
This required a small upgrade of the 'lockdelay' extension used by
'test-clone.t' because the delay must apply to a single lock only.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Tue, 23 Aug 2016 23:47:59 +0200 |
parents | 9766d88c2465 |
children | 96a2278ee732 |
rev | line source |
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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 __future__ import absolute_import |
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9 |
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10 import contextlib |
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11 import errno |
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12 import glob |
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13 import hashlib |
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14 import os |
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15 import re |
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16 import shutil |
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17 import stat |
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18 import tempfile |
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19 import threading |
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20 |
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21 from .i18n import _ |
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22 from .node import wdirrev |
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23 from . import ( |
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24 encoding, |
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25 error, |
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26 match as matchmod, |
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27 osutil, |
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28 pathutil, |
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29 phases, |
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30 revset, |
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31 similar, |
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32 util, |
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33 ) |
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34 |
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35 if os.name == 'nt': |
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36 from . import scmwindows as scmplatform |
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37 else: |
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38 from . import scmposix as scmplatform |
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39 |
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40 systemrcpath = scmplatform.systemrcpath |
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41 userrcpath = scmplatform.userrcpath |
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42 |
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43 class status(tuple): |
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44 '''Named tuple with a list of files per status. The 'deleted', 'unknown' |
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45 and 'ignored' properties are only relevant to the working copy. |
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46 ''' |
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47 |
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48 __slots__ = () |
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49 |
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50 def __new__(cls, modified, added, removed, deleted, unknown, ignored, |
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51 clean): |
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52 return tuple.__new__(cls, (modified, added, removed, deleted, unknown, |
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53 ignored, clean)) |
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54 |
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55 @property |
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56 def modified(self): |
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57 '''files that have been modified''' |
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58 return self[0] |
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59 |
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60 @property |
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61 def added(self): |
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62 '''files that have been added''' |
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63 return self[1] |
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64 |
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65 @property |
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66 def removed(self): |
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67 '''files that have been removed''' |
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68 return self[2] |
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69 |
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70 @property |
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71 def deleted(self): |
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72 '''files that are in the dirstate, but have been deleted from the |
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73 working copy (aka "missing") |
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74 ''' |
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75 return self[3] |
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76 |
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77 @property |
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78 def unknown(self): |
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79 '''files not in the dirstate that are not ignored''' |
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80 return self[4] |
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81 |
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82 @property |
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83 def ignored(self): |
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84 '''files not in the dirstate that are ignored (by _dirignore())''' |
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85 return self[5] |
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86 |
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87 @property |
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88 def clean(self): |
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89 '''files that have not been modified''' |
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90 return self[6] |
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91 |
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92 def __repr__(self, *args, **kwargs): |
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93 return (('<status modified=%r, added=%r, removed=%r, deleted=%r, ' |
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94 'unknown=%r, ignored=%r, clean=%r>') % self) |
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95 |
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96 def itersubrepos(ctx1, ctx2): |
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97 """find subrepos in ctx1 or ctx2""" |
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98 # Create a (subpath, ctx) mapping where we prefer subpaths from |
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99 # ctx1. The subpaths from ctx2 are important when the .hgsub file |
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100 # has been modified (in ctx2) but not yet committed (in ctx1). |
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101 subpaths = dict.fromkeys(ctx2.substate, ctx2) |
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102 subpaths.update(dict.fromkeys(ctx1.substate, ctx1)) |
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103 |
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104 missing = set() |
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105 |
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106 for subpath in ctx2.substate: |
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107 if subpath not in ctx1.substate: |
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108 del subpaths[subpath] |
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109 missing.add(subpath) |
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110 |
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111 for subpath, ctx in sorted(subpaths.iteritems()): |
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112 yield subpath, ctx.sub(subpath) |
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113 |
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114 # Yield an empty subrepo based on ctx1 for anything only in ctx2. That way, |
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115 # status and diff will have an accurate result when it does |
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116 # 'sub.{status|diff}(rev2)'. Otherwise, the ctx2 subrepo is compared |
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117 # against itself. |
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118 for subpath in missing: |
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119 yield subpath, ctx2.nullsub(subpath, ctx1) |
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120 |
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121 def nochangesfound(ui, repo, excluded=None): |
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122 '''Report no changes for push/pull, excluded is None or a list of |
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123 nodes excluded from the push/pull. |
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124 ''' |
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125 secretlist = [] |
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126 if excluded: |
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127 for n in excluded: |
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128 if n not in repo: |
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129 # discovery should not have included the filtered revision, |
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130 # we have to explicitly exclude it until discovery is cleanup. |
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131 continue |
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132 ctx = repo[n] |
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133 if ctx.phase() >= phases.secret and not ctx.extinct(): |
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134 secretlist.append(n) |
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135 |
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136 if secretlist: |
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137 ui.status(_("no changes found (ignored %d secret changesets)\n") |
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138 % len(secretlist)) |
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139 else: |
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140 ui.status(_("no changes found\n")) |
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141 |
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142 def checknewlabel(repo, lbl, kind): |
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143 # Do not use the "kind" parameter in ui output. |
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144 # It makes strings difficult to translate. |
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145 if lbl in ['tip', '.', 'null']: |
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146 raise error.Abort(_("the name '%s' is reserved") % lbl) |
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147 for c in (':', '\0', '\n', '\r'): |
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148 if c in lbl: |
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149 raise error.Abort(_("%r cannot be used in a name") % c) |
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150 try: |
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151 int(lbl) |
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152 raise error.Abort(_("cannot use an integer as a name")) |
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153 except ValueError: |
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154 pass |
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155 |
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156 def checkfilename(f): |
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157 '''Check that the filename f is an acceptable filename for a tracked file''' |
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158 if '\r' in f or '\n' in f: |
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159 raise error.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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160 |
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161 def checkportable(ui, f): |
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162 '''Check if filename f is portable and warn or abort depending on config''' |
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163 checkfilename(f) |
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164 abort, warn = checkportabilityalert(ui) |
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165 if abort or warn: |
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166 msg = util.checkwinfilename(f) |
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167 if msg: |
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168 msg = "%s: %r" % (msg, f) |
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169 if abort: |
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170 raise error.Abort(msg) |
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171 ui.warn(_("warning: %s\n") % msg) |
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172 |
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173 def checkportabilityalert(ui): |
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174 '''check if the user's config requests nothing, a warning, or abort for |
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175 non-portable filenames''' |
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176 val = ui.config('ui', 'portablefilenames', 'warn') |
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177 lval = val.lower() |
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178 bval = util.parsebool(val) |
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179 abort = os.name == 'nt' or lval == 'abort' |
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180 warn = bval or lval == 'warn' |
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181 if bval is None and not (warn or abort or lval == 'ignore'): |
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182 raise error.ConfigError( |
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183 _("ui.portablefilenames value is invalid ('%s')") % val) |
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184 return abort, warn |
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185 |
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186 class casecollisionauditor(object): |
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187 def __init__(self, ui, abort, dirstate): |
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188 self._ui = ui |
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189 self._abort = abort |
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190 allfiles = '\0'.join(dirstate._map) |
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191 self._loweredfiles = set(encoding.lower(allfiles).split('\0')) |
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192 self._dirstate = dirstate |
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193 # The purpose of _newfiles is so that we don't complain about |
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194 # case collisions if someone were to call this object with the |
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195 # same filename twice. |
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196 self._newfiles = set() |
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197 |
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198 def __call__(self, f): |
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199 if f in self._newfiles: |
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200 return |
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201 fl = encoding.lower(f) |
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202 if fl in self._loweredfiles and f not in self._dirstate: |
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203 msg = _('possible case-folding collision for %s') % f |
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204 if self._abort: |
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205 raise error.Abort(msg) |
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206 self._ui.warn(_("warning: %s\n") % msg) |
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207 self._loweredfiles.add(fl) |
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208 self._newfiles.add(f) |
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209 |
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210 def filteredhash(repo, maxrev): |
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211 """build hash of filtered revisions in the current repoview. |
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212 |
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213 Multiple caches perform up-to-date validation by checking that the |
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214 tiprev and tipnode stored in the cache file match the current repository. |
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215 However, this is not sufficient for validating repoviews because the set |
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216 of revisions in the view may change without the repository tiprev and |
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217 tipnode changing. |
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218 |
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219 This function hashes all the revs filtered from the view and returns |
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220 that SHA-1 digest. |
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221 """ |
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222 cl = repo.changelog |
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223 if not cl.filteredrevs: |
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224 return None |
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225 key = None |
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226 revs = sorted(r for r in cl.filteredrevs if r <= maxrev) |
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227 if revs: |
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228 s = hashlib.sha1() |
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229 for rev in revs: |
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230 s.update('%s;' % rev) |
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231 key = s.digest() |
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232 return key |
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233 |
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234 class abstractvfs(object): |
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235 """Abstract base class; cannot be instantiated""" |
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236 |
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237 def __init__(self, *args, **kwargs): |
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238 '''Prevent instantiation; don't call this from subclasses.''' |
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239 raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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240 |
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241 def tryread(self, path): |
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242 '''gracefully return an empty string for missing files''' |
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243 try: |
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244 return self.read(path) |
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245 except IOError as inst: |
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246 if inst.errno != errno.ENOENT: |
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247 raise |
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248 return "" |
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249 |
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250 def tryreadlines(self, path, mode='rb'): |
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251 '''gracefully return an empty array for missing files''' |
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252 try: |
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253 return self.readlines(path, mode=mode) |
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254 except IOError as inst: |
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255 if inst.errno != errno.ENOENT: |
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256 raise |
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257 return [] |
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258 |
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259 @util.propertycache |
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260 def open(self): |
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261 '''Open ``path`` file, which is relative to vfs root. |
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262 |
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263 Newly created directories are marked as "not to be indexed by |
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264 the content indexing service", if ``notindexed`` is specified |
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265 for "write" mode access. |
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266 ''' |
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267 return self.__call__ |
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268 |
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269 def read(self, path): |
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270 with self(path, 'rb') as fp: |
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271 return fp.read() |
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272 |
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273 def readlines(self, path, mode='rb'): |
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274 with self(path, mode=mode) as fp: |
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275 return fp.readlines() |
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276 |
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277 def write(self, path, data, backgroundclose=False): |
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278 with self(path, 'wb', backgroundclose=backgroundclose) as fp: |
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279 return fp.write(data) |
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280 |
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281 def writelines(self, path, data, mode='wb', notindexed=False): |
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282 with self(path, mode=mode, notindexed=notindexed) as fp: |
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283 return fp.writelines(data) |
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284 |
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285 def append(self, path, data): |
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286 with self(path, 'ab') as fp: |
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287 return fp.write(data) |
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288 |
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289 def basename(self, path): |
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290 """return base element of a path (as os.path.basename would do) |
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291 |
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292 This exists to allow handling of strange encoding if needed.""" |
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293 return os.path.basename(path) |
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294 |
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295 def chmod(self, path, mode): |
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296 return os.chmod(self.join(path), mode) |
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297 |
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298 def dirname(self, path): |
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299 """return dirname element of a path (as os.path.dirname would do) |
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300 |
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301 This exists to allow handling of strange encoding if needed.""" |
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302 return os.path.dirname(path) |
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303 |
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304 def exists(self, path=None): |
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305 return os.path.exists(self.join(path)) |
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306 |
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307 def fstat(self, fp): |
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308 return util.fstat(fp) |
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309 |
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310 def isdir(self, path=None): |
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311 return os.path.isdir(self.join(path)) |
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312 |
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313 def isfile(self, path=None): |
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314 return os.path.isfile(self.join(path)) |
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315 |
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316 def islink(self, path=None): |
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317 return os.path.islink(self.join(path)) |
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318 |
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319 def isfileorlink(self, path=None): |
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320 '''return whether path is a regular file or a symlink |
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321 |
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322 Unlike isfile, this doesn't follow symlinks.''' |
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323 try: |
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324 st = self.lstat(path) |
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325 except OSError: |
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326 return False |
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327 mode = st.st_mode |
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328 return stat.S_ISREG(mode) or stat.S_ISLNK(mode) |
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329 |
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330 def reljoin(self, *paths): |
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331 """join various elements of a path together (as os.path.join would do) |
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332 |
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333 The vfs base is not injected so that path stay relative. This exists |
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334 to allow handling of strange encoding if needed.""" |
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335 return os.path.join(*paths) |
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336 |
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337 def split(self, path): |
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338 """split top-most element of a path (as os.path.split would do) |
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339 |
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340 This exists to allow handling of strange encoding if needed.""" |
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341 return os.path.split(path) |
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342 |
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343 def lexists(self, path=None): |
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344 return os.path.lexists(self.join(path)) |
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345 |
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346 def lstat(self, path=None): |
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347 return os.lstat(self.join(path)) |
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348 |
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349 def listdir(self, path=None): |
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350 return os.listdir(self.join(path)) |
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351 |
17161
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352 def makedir(self, path=None, notindexed=True): |
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353 return util.makedir(self.join(path), notindexed) |
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354 |
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355 def makedirs(self, path=None, mode=None): |
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356 return util.makedirs(self.join(path), mode) |
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357 |
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358 def makelock(self, info, path): |
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359 return util.makelock(info, self.join(path)) |
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360 |
17723
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361 def mkdir(self, path=None): |
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362 return os.mkdir(self.join(path)) |
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363 |
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364 def mkstemp(self, suffix='', prefix='tmp', dir=None, text=False): |
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365 fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, |
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366 dir=self.join(dir), text=text) |
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367 dname, fname = util.split(name) |
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368 if dir: |
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369 return fd, os.path.join(dir, fname) |
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370 else: |
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371 return fd, fname |
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372 |
17747
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373 def readdir(self, path=None, stat=None, skip=None): |
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374 return osutil.listdir(self.join(path), stat, skip) |
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375 |
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376 def readlock(self, path): |
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377 return util.readlock(self.join(path)) |
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378 |
29203
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379 def rename(self, src, dst, checkambig=False): |
29367
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380 """Rename from src to dst |
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381 |
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382 checkambig argument is used with util.filestat, and is useful |
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383 only if destination file is guarded by any lock |
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|
384 (e.g. repo.lock or repo.wlock). |
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385 """ |
29203
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386 dstpath = self.join(dst) |
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387 oldstat = checkambig and util.filestat(dstpath) |
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388 if oldstat and oldstat.stat: |
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389 ret = util.rename(self.join(src), dstpath) |
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390 newstat = util.filestat(dstpath) |
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391 if newstat.isambig(oldstat): |
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392 # stat of renamed file is ambiguous to original one |
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393 advanced = (oldstat.stat.st_mtime + 1) & 0x7fffffff |
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394 os.utime(dstpath, (advanced, advanced)) |
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395 return ret |
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396 return util.rename(self.join(src), dstpath) |
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|
397 |
18950
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|
398 def readlink(self, path): |
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399 return os.readlink(self.join(path)) |
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|
400 |
24693
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|
401 def removedirs(self, path=None): |
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|
402 """Remove a leaf directory and all empty intermediate ones |
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|
403 """ |
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|
404 return util.removedirs(self.join(path)) |
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|
405 |
24689
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|
406 def rmtree(self, path=None, ignore_errors=False, forcibly=False): |
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|
407 """Remove a directory tree recursively |
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|
408 |
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|
409 If ``forcibly``, this tries to remove READ-ONLY files, too. |
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|
410 """ |
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|
411 if forcibly: |
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|
412 def onerror(function, path, excinfo): |
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|
413 if function is not os.remove: |
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|
414 raise |
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|
415 # read-only files cannot be unlinked under Windows |
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|
416 s = os.stat(path) |
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|
417 if (s.st_mode & stat.S_IWRITE) != 0: |
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|
418 raise |
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|
419 os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE) |
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420 os.remove(path) |
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|
421 else: |
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|
422 onerror = None |
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423 return shutil.rmtree(self.join(path), |
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|
424 ignore_errors=ignore_errors, onerror=onerror) |
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|
425 |
18951
d13916a00b7e
localrepo: use "vfs.setflags()" instead of "util.setflags()"
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changeset
|
426 def setflags(self, path, l, x): |
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localrepo: use "vfs.setflags()" instead of "util.setflags()"
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|
427 return util.setflags(self.join(path), l, x) |
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localrepo: use "vfs.setflags()" instead of "util.setflags()"
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changeset
|
428 |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
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diff
changeset
|
429 def stat(self, path=None): |
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store: invoke "os.stat()" for "createmode" initialization via vfs
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|
430 return os.stat(self.join(path)) |
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store: invoke "os.stat()" for "createmode" initialization via vfs
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changeset
|
431 |
19895
37c0d93fb166
bookmarks: use "vfs.unlink()" instead of "util.unlink()"
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diff
changeset
|
432 def unlink(self, path=None): |
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|
433 return util.unlink(self.join(path)) |
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diff
changeset
|
434 |
21716
90f9be5adade
vfs: add unlinkpath to vfs
Chinmay Joshi <c@chinmayjoshi.com>
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21563
diff
changeset
|
435 def unlinkpath(self, path=None, ignoremissing=False): |
90f9be5adade
vfs: add unlinkpath to vfs
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|
436 return util.unlinkpath(self.join(path), ignoremissing) |
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437 |
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438 def utime(self, path=None, t=None): |
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439 return os.utime(self.join(path), t) |
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440 |
24725 | 441 def walk(self, path=None, onerror=None): |
442 """Yield (dirpath, dirs, files) tuple for each directories under path | |
443 | |
444 ``dirpath`` is relative one from the root of this vfs. This | |
445 uses ``os.sep`` as path separator, even you specify POSIX | |
446 style ``path``. | |
447 | |
448 "The root of this vfs" is represented as empty ``dirpath``. | |
449 """ | |
450 root = os.path.normpath(self.join(None)) | |
451 # when dirpath == root, dirpath[prefixlen:] becomes empty | |
452 # because len(dirpath) < prefixlen. | |
453 prefixlen = len(pathutil.normasprefix(root)) | |
454 for dirpath, dirs, files in os.walk(self.join(path), onerror=onerror): | |
455 yield (dirpath[prefixlen:], dirs, files) | |
456 | |
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457 @contextlib.contextmanager |
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458 def backgroundclosing(self, ui, expectedcount=-1): |
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459 """Allow files to be closed asynchronously. |
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460 |
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461 When this context manager is active, ``backgroundclose`` can be passed |
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462 to ``__call__``/``open`` to result in the file possibly being closed |
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463 asynchronously, on a background thread. |
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464 """ |
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465 # This is an arbitrary restriction and could be changed if we ever |
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466 # have a use case. |
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467 vfs = getattr(self, 'vfs', self) |
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468 if getattr(vfs, '_backgroundfilecloser', None): |
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469 raise error.Abort( |
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470 _('can only have 1 active background file closer')) |
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471 |
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472 with backgroundfilecloser(ui, expectedcount=expectedcount) as bfc: |
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473 try: |
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474 vfs._backgroundfilecloser = bfc |
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475 yield bfc |
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476 finally: |
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477 vfs._backgroundfilecloser = None |
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478 |
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479 class vfs(abstractvfs): |
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480 '''Operate files relative to a base directory |
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481 |
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482 This class is used to hide the details of COW semantics and |
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483 remote file access from higher level code. |
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484 ''' |
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485 def __init__(self, base, audit=True, expandpath=False, realpath=False): |
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486 if expandpath: |
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487 base = util.expandpath(base) |
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488 if realpath: |
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489 base = os.path.realpath(base) |
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490 self.base = base |
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491 self.mustaudit = audit |
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492 self.createmode = None |
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493 self._trustnlink = None |
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494 |
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495 @property |
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496 def mustaudit(self): |
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497 return self._audit |
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498 |
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499 @mustaudit.setter |
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500 def mustaudit(self, onoff): |
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501 self._audit = onoff |
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502 if onoff: |
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503 self.audit = pathutil.pathauditor(self.base) |
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504 else: |
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505 self.audit = util.always |
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506 |
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507 @util.propertycache |
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508 def _cansymlink(self): |
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509 return util.checklink(self.base) |
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510 |
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511 @util.propertycache |
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512 def _chmod(self): |
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513 return util.checkexec(self.base) |
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514 |
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515 def _fixfilemode(self, name): |
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516 if self.createmode is None or not self._chmod: |
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517 return |
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518 os.chmod(name, self.createmode & 0o666) |
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519 |
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520 def __call__(self, path, mode="r", text=False, atomictemp=False, |
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521 notindexed=False, backgroundclose=False, checkambig=False): |
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522 '''Open ``path`` file, which is relative to vfs root. |
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523 |
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524 Newly created directories are marked as "not to be indexed by |
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525 the content indexing service", if ``notindexed`` is specified |
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526 for "write" mode access. |
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527 |
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528 If ``backgroundclose`` is passed, the file may be closed asynchronously. |
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529 It can only be used if the ``self.backgroundclosing()`` context manager |
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530 is active. This should only be specified if the following criteria hold: |
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531 |
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532 1. There is a potential for writing thousands of files. Unless you |
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533 are writing thousands of files, the performance benefits of |
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534 asynchronously closing files is not realized. |
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535 2. Files are opened exactly once for the ``backgroundclosing`` |
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536 active duration and are therefore free of race conditions between |
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537 closing a file on a background thread and reopening it. (If the |
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538 file were opened multiple times, there could be unflushed data |
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539 because the original file handle hasn't been flushed/closed yet.) |
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540 |
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541 ``checkambig`` argument is passed to atomictemplfile (valid |
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542 only for writing), and is useful only if target file is |
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543 guarded by any lock (e.g. repo.lock or repo.wlock). |
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544 ''' |
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545 if self._audit: |
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546 r = util.checkosfilename(path) |
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547 if r: |
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548 raise error.Abort("%s: %r" % (r, path)) |
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549 self.audit(path) |
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550 f = self.join(path) |
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551 |
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552 if not text and "b" not in mode: |
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553 mode += "b" # for that other OS |
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554 |
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555 nlink = -1 |
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556 if mode not in ('r', 'rb'): |
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557 dirname, basename = util.split(f) |
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558 # If basename is empty, then the path is malformed because it points |
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559 # to a directory. Let the posixfile() call below raise IOError. |
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560 if basename: |
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561 if atomictemp: |
29017
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|
562 util.makedirs(dirname, self.createmode, notindexed) |
29202
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parents:
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diff
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|
563 return util.atomictempfile(f, mode, self.createmode, |
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|
564 checkambig=checkambig) |
17937
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565 try: |
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|
566 if 'w' in mode: |
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567 util.unlink(f) |
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568 nlink = 0 |
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569 else: |
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570 # nlinks() may behave differently for files on Windows |
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|
571 # shares if the file is open. |
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|
572 with util.posixfile(f): |
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|
573 nlink = util.nlinks(f) |
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|
574 if nlink < 1: |
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|
575 nlink = 2 # force mktempcopy (issue1922) |
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|
576 except (OSError, IOError) as e: |
17937
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577 if e.errno != errno.ENOENT: |
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|
578 raise |
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579 nlink = 0 |
29017
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util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
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changeset
|
580 util.makedirs(dirname, self.createmode, notindexed) |
17937
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581 if nlink > 0: |
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582 if self._trustnlink is None: |
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583 self._trustnlink = nlink > 1 or util.checknlink(f) |
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|
584 if nlink > 1 or not self._trustnlink: |
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585 util.rename(util.mktempcopy(f), f) |
13970
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586 fp = util.posixfile(f, mode) |
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changeset
|
587 if nlink == 0: |
17763
13070de77c86
vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
588 self._fixfilemode(f) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
589 |
29996
9766d88c2465
vfs: use checkambigatclosing in checkambig=True but atomictemp=False case
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
590 if checkambig: |
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parents:
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diff
changeset
|
591 if mode in ('r', 'rb'): |
9766d88c2465
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parents:
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changeset
|
592 raise error.Abort(_('implementation error: mode %s is not' |
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changeset
|
593 ' valid for checkambig=True') % mode) |
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parents:
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diff
changeset
|
594 fp = checkambigatclosing(fp) |
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parents:
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diff
changeset
|
595 |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
596 if backgroundclose: |
2d6a89e79b48
scmutil: support background file closing
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parents:
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diff
changeset
|
597 if not self._backgroundfilecloser: |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
29373
diff
changeset
|
598 raise error.Abort(_('backgroundclose can only be used when a ' |
27895
2d6a89e79b48
scmutil: support background file closing
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parents:
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diff
changeset
|
599 'backgroundclosing context manager is active') |
29389
98e8313dcd9e
i18n: translate abort messages
liscju <piotr.listkiewicz@gmail.com>
parents:
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diff
changeset
|
600 ) |
27895
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scmutil: support background file closing
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parents:
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diff
changeset
|
601 |
2d6a89e79b48
scmutil: support background file closing
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parents:
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diff
changeset
|
602 fp = delayclosedfile(fp, self._backgroundfilecloser) |
2d6a89e79b48
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changeset
|
603 |
13970
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changeset
|
604 return fp |
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changeset
|
605 |
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diff
changeset
|
606 def symlink(self, src, dst): |
18327
4aecdb91443c
scmutil: simplify vfs.audit - drop wrapped vfs.auditor
Mads Kiilerich <mads@kiilerich.com>
parents:
18316
diff
changeset
|
607 self.audit(dst) |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
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diff
changeset
|
608 linkname = self.join(dst) |
13970
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changeset
|
609 try: |
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changeset
|
610 os.unlink(linkname) |
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|
611 except OSError: |
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changeset
|
612 pass |
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diff
changeset
|
613 |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
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diff
changeset
|
614 util.makedirs(os.path.dirname(linkname), self.createmode) |
13970
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diff
changeset
|
615 |
14261
e3649bcca3f6
opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14236
diff
changeset
|
616 if self._cansymlink: |
13970
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changeset
|
617 try: |
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changeset
|
618 os.symlink(src, linkname) |
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changeset
|
619 except OSError as err: |
13970
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|
620 raise OSError(err.errno, _('could not symlink to %r: %s') % |
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|
621 (src, err.strerror), linkname) |
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changeset
|
622 else: |
17768
9837cafc25b1
vfs: use self.write to write symlink placeholders
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
623 self.write(dst, src) |
13971
bfeaa88b875d
move canonpath from util to scmutil
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parents:
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diff
changeset
|
624 |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
625 def join(self, path, *insidef): |
17161
be016e96117a
localrepo: use file API via vfs while ensuring repository directory
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17157
diff
changeset
|
626 if path: |
24628
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
627 return os.path.join(self.base, path, *insidef) |
17681
a41fd730f230
scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
17675
diff
changeset
|
628 else: |
a41fd730f230
scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
629 return self.base |
16199
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Idan Kamara <idankk86@gmail.com>
parents:
16198
diff
changeset
|
630 |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
631 opener = vfs |
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scmutil: rename classes from "opener" to "vfs"
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diff
changeset
|
632 |
17845
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scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
633 class auditvfs(object): |
408ded42c5ec
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diff
changeset
|
634 def __init__(self, vfs): |
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diff
changeset
|
635 self.vfs = vfs |
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diff
changeset
|
636 |
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cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
637 @property |
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changeset
|
638 def mustaudit(self): |
17845
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diff
changeset
|
639 return self.vfs.mustaudit |
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diff
changeset
|
640 |
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diff
changeset
|
641 @mustaudit.setter |
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diff
changeset
|
642 def mustaudit(self, onoff): |
17845
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diff
changeset
|
643 self.vfs.mustaudit = onoff |
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diff
changeset
|
644 |
29714
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
645 @property |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
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changeset
|
646 def options(self): |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
647 return self.vfs.options |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
648 |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
649 @options.setter |
69109052d9ac
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
650 def options(self, value): |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
651 self.vfs.options = value |
69109052d9ac
auditvfs: forward options property from nested vfs
Augie Fackler <augie@google.com>
parents:
29417
diff
changeset
|
652 |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
653 class filtervfs(abstractvfs, auditvfs): |
17649
f65c6a5f256c
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diff
changeset
|
654 '''Wrapper vfs for filtering filenames with a function.''' |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
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diff
changeset
|
655 |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
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diff
changeset
|
656 def __init__(self, vfs, filter): |
f42cf30873dc
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diff
changeset
|
657 auditvfs.__init__(self, vfs) |
14090
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parents:
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diff
changeset
|
658 self._filter = filter |
e24b5e3c2f27
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Dan Villiom Podlaski Christiansen <danchr@gmail.com>
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diff
changeset
|
659 |
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
660 def __call__(self, path, *args, **kwargs): |
17846
f42cf30873dc
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Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
661 return self.vfs(self._filter(path), *args, **kwargs) |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
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diff
changeset
|
662 |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
663 def join(self, path, *insidef): |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
664 if path: |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
665 return self.vfs.join(self._filter(self.vfs.reljoin(path, *insidef))) |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
666 else: |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
667 return self.vfs.join(path) |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
668 |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
669 filteropener = filtervfs |
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
670 |
18213
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671 class readonlyvfs(abstractvfs, auditvfs): |
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672 '''Wrapper vfs preventing any writing.''' |
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|
673 |
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674 def __init__(self, vfs): |
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675 auditvfs.__init__(self, vfs) |
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|
676 |
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diff
changeset
|
677 def __call__(self, path, mode='r', *args, **kw): |
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|
678 if mode not in ('r', 'rb'): |
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98e8313dcd9e
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parents:
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diff
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|
679 raise error.Abort(_('this vfs is read only')) |
18213
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|
680 return self.vfs(path, mode, *args, **kw) |
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|
681 |
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scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
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diff
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|
682 def join(self, path, *insidef): |
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scmutil.readonlyvfs: implement join
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diff
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|
683 return self.vfs.join(path, *insidef) |
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|
684 |
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|
685 def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): |
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Mads Kiilerich <mads@kiilerich.com>
parents:
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|
686 '''yield every hg repository under path, always recursively. |
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|
687 The recurse flag will only control recursion into repo working dirs''' |
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|
688 def errhandler(err): |
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|
689 if err.filename == path: |
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|
690 raise err |
14961
5523529bd1af
walkrepos: use getattr instead of hasattr for samestat
Augie Fackler <durin42@gmail.com>
parents:
14928
diff
changeset
|
691 samestat = getattr(os.path, 'samestat', None) |
5523529bd1af
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Augie Fackler <durin42@gmail.com>
parents:
14928
diff
changeset
|
692 if followsym and samestat is not None: |
14227
94985b5a8278
scmutil: rename local function _add_dir_if_not_there
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
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|
693 def adddir(dirlst, dirname): |
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diff
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|
694 match = False |
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|
695 dirstat = os.stat(dirname) |
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move walkrepos from util to scmutil
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parents:
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diff
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|
696 for lstdirstat in dirlst: |
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parents:
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diff
changeset
|
697 if samestat(dirstat, lstdirstat): |
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parents:
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|
698 match = True |
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|
699 break |
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|
700 if not match: |
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parents:
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diff
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|
701 dirlst.append(dirstat) |
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|
702 return not match |
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|
703 else: |
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Adrian Buehlmann <adrian@cadifra.com>
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|
704 followsym = False |
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diff
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|
705 |
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diff
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|
706 if (seen_dirs is None) and followsym: |
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diff
changeset
|
707 seen_dirs = [] |
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scmutil: rename local function _add_dir_if_not_there
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
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|
708 adddir(seen_dirs, path) |
13975
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diff
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|
709 for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): |
938fbeacac84
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parents:
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diff
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|
710 dirs.sort() |
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parents:
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diff
changeset
|
711 if '.hg' in dirs: |
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parents:
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diff
changeset
|
712 yield root # found a repository |
938fbeacac84
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
713 qroot = os.path.join(root, '.hg', 'patches') |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
714 if os.path.isdir(os.path.join(qroot, '.hg')): |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
715 yield qroot # we have a patch queue repo here |
938fbeacac84
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diff
changeset
|
716 if recurse: |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
717 # avoid recursing inside the .hg directory |
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parents:
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diff
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|
718 dirs.remove('.hg') |
938fbeacac84
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parents:
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diff
changeset
|
719 else: |
938fbeacac84
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diff
changeset
|
720 dirs[:] = [] # don't descend further |
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diff
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|
721 elif followsym: |
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parents:
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diff
changeset
|
722 newdirs = [] |
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diff
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|
723 for d in dirs: |
938fbeacac84
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parents:
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diff
changeset
|
724 fname = os.path.join(root, d) |
14227
94985b5a8278
scmutil: rename local function _add_dir_if_not_there
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
725 if adddir(seen_dirs, fname): |
13975
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diff
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|
726 if os.path.islink(fname): |
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diff
changeset
|
727 for hgname in walkrepos(fname, True, seen_dirs): |
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diff
changeset
|
728 yield hgname |
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diff
changeset
|
729 else: |
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diff
changeset
|
730 newdirs.append(d) |
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diff
changeset
|
731 dirs[:] = newdirs |
13984
af60153b5e3b
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
732 |
14224
f4189866c76c
rename scmutil.os_rcpath to osrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14220
diff
changeset
|
733 def osrcpath(): |
13985
26335a817dd0
move os_rcpath from util to scmutil
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parents:
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diff
changeset
|
734 '''return default os-specific hgrc search path''' |
23142
c4ce077588d0
config: introduce "built-in" default configuration settings in default.d
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
735 path = [] |
c4ce077588d0
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
736 defaultpath = os.path.join(util.datapath, 'default.d') |
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parents:
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diff
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|
737 if os.path.isdir(defaultpath): |
c4ce077588d0
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parents:
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diff
changeset
|
738 for f, kind in osutil.listdir(defaultpath): |
c4ce077588d0
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parents:
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diff
changeset
|
739 if f.endswith('.rc'): |
c4ce077588d0
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
740 path.append(os.path.join(defaultpath, f)) |
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parents:
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diff
changeset
|
741 path.extend(systemrcpath()) |
14226
73cca883370d
rename scmutil.user_rcpath to userrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14225
diff
changeset
|
742 path.extend(userrcpath()) |
13985
26335a817dd0
move os_rcpath from util to scmutil
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parents:
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diff
changeset
|
743 path = [os.path.normpath(f) for f in path] |
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move os_rcpath from util to scmutil
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diff
changeset
|
744 return path |
26335a817dd0
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diff
changeset
|
745 |
13984
af60153b5e3b
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diff
changeset
|
746 _rcpath = None |
af60153b5e3b
move rcpath from util to scmutil
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diff
changeset
|
747 |
af60153b5e3b
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diff
changeset
|
748 def rcpath(): |
af60153b5e3b
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parents:
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diff
changeset
|
749 '''return hgrc search path. if env var HGRCPATH is set, use it. |
af60153b5e3b
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diff
changeset
|
750 for each item in path, if directory, use files ending in .rc, |
af60153b5e3b
move rcpath from util to scmutil
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diff
changeset
|
751 else use item. |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
752 make HGRCPATH empty to only look in .hg/hgrc of current repo. |
af60153b5e3b
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parents:
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diff
changeset
|
753 if no HGRCPATH, use default os-specific path.''' |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
754 global _rcpath |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
755 if _rcpath is None: |
af60153b5e3b
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parents:
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diff
changeset
|
756 if 'HGRCPATH' in os.environ: |
af60153b5e3b
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parents:
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diff
changeset
|
757 _rcpath = [] |
af60153b5e3b
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
758 for p in os.environ['HGRCPATH'].split(os.pathsep): |
af60153b5e3b
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diff
changeset
|
759 if not p: |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
760 continue |
af60153b5e3b
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parents:
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diff
changeset
|
761 p = util.expandpath(p) |
af60153b5e3b
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diff
changeset
|
762 if os.path.isdir(p): |
af60153b5e3b
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parents:
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diff
changeset
|
763 for f, kind in osutil.listdir(p): |
af60153b5e3b
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parents:
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diff
changeset
|
764 if f.endswith('.rc'): |
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
765 _rcpath.append(os.path.join(p, f)) |
af60153b5e3b
move rcpath from util to scmutil
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diff
changeset
|
766 else: |
af60153b5e3b
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diff
changeset
|
767 _rcpath.append(p) |
af60153b5e3b
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parents:
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diff
changeset
|
768 else: |
14224
f4189866c76c
rename scmutil.os_rcpath to osrcpath
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parents:
14220
diff
changeset
|
769 _rcpath = osrcpath() |
13984
af60153b5e3b
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parents:
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diff
changeset
|
770 return _rcpath |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
771 |
25739
3dabc9b7494a
changeset_printer: use node.wdirrev to calculate meaningful parentrevs
Yuya Nishihara <yuya@tcha.org>
parents:
25660
diff
changeset
|
772 def intrev(rev): |
24582
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parents:
24447
diff
changeset
|
773 """Return integer for a given revision that can be used in comparison or |
56fff44cce98
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Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
774 arithmetic operation""" |
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Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
775 if rev is None: |
25739
3dabc9b7494a
changeset_printer: use node.wdirrev to calculate meaningful parentrevs
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parents:
25660
diff
changeset
|
776 return wdirrev |
24582
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parents:
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diff
changeset
|
777 return rev |
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Yuya Nishihara <yuya@tcha.org>
parents:
24447
diff
changeset
|
778 |
14319
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scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
779 def revsingle(repo, revspec, default='.'): |
19509
8963a706e075
revsingle: fix silly API issue (issue2992)
Matt Mackall <mpm@selenic.com>
parents:
19154
diff
changeset
|
780 if not revspec and revspec != 0: |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
781 return repo[default] |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
782 |
b33f3e35efb0
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Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
783 l = revrange(repo, [revspec]) |
22814
8110405cf8ae
revset-limit: use boolean testing instead of `len(revs) < 1`
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
21799
diff
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|
784 if not l: |
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785 raise error.Abort(_('empty revision set')) |
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786 return repo[l.last()] |
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787 |
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788 def _pairspec(revspec): |
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789 tree = revset.parse(revspec) |
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790 return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') |
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791 |
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792 def revpair(repo, revs): |
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793 if not revs: |
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794 return repo.dirstate.p1(), None |
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795 |
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796 l = revrange(repo, revs) |
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797 |
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798 if not l: |
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799 first = second = None |
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800 elif l.isascending(): |
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801 first = l.min() |
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802 second = l.max() |
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803 elif l.isdescending(): |
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804 first = l.max() |
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805 second = l.min() |
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806 else: |
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807 first = l.first() |
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808 second = l.last() |
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809 |
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810 if first is None: |
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811 raise error.Abort(_('empty revision range')) |
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812 if (first == second and len(revs) >= 2 |
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813 and not all(revrange(repo, [r]) for r in revs)): |
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814 raise error.Abort(_('empty revision on one side of range')) |
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815 |
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816 # if top-level is range expression, the result must always be a pair |
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817 if first == second and len(revs) == 1 and not _pairspec(revs[0]): |
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818 return repo.lookup(first), None |
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819 |
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820 return repo.lookup(first), repo.lookup(second) |
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821 |
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822 def revrange(repo, specs): |
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823 """Execute 1 to many revsets and return the union. |
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824 |
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825 This is the preferred mechanism for executing revsets using user-specified |
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826 config options, such as revset aliases. |
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827 |
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828 The revsets specified by ``specs`` will be executed via a chained ``OR`` |
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829 expression. If ``specs`` is empty, an empty result is returned. |
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830 |
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831 ``specs`` can contain integers, in which case they are assumed to be |
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832 revision numbers. |
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833 |
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834 It is assumed the revsets are already formatted. If you have arguments |
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835 that need to be expanded in the revset, call ``revset.formatspec()`` |
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836 and pass the result as an element of ``specs``. |
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837 |
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838 Specifying a single revset is allowed. |
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839 |
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840 Returns a ``revset.abstractsmartset`` which is a list-like interface over |
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841 integer revisions. |
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842 """ |
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843 allspecs = [] |
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844 for spec in specs: |
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845 if isinstance(spec, int): |
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846 spec = revset.formatspec('rev(%d)', spec) |
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847 allspecs.append(spec) |
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848 m = revset.matchany(repo.ui, allspecs, repo) |
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849 return m(repo) |
14320 | 850 |
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851 def meaningfulparents(repo, ctx): |
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852 """Return list of meaningful (or all if debug) parentrevs for rev. |
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853 |
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854 For merges (two non-nullrev revisions) both parents are meaningful. |
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855 Otherwise the first parent revision is considered meaningful if it |
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856 is not the preceding revision. |
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857 """ |
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858 parents = ctx.parents() |
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859 if len(parents) > 1: |
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860 return parents |
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861 if repo.ui.debugflag: |
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862 return [parents[0], repo['null']] |
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863 if parents[0].rev() >= intrev(ctx.rev()) - 1: |
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|
864 return [] |
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865 return parents |
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|
866 |
14320 | 867 def expandpats(pats): |
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868 '''Expand bare globs when running on windows. |
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|
869 On posix we assume it already has already been done by sh.''' |
14320 | 870 if not util.expandglobs: |
871 return list(pats) | |
872 ret = [] | |
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873 for kindpat in pats: |
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874 kind, pat = matchmod._patsplit(kindpat, None) |
14320 | 875 if kind is None: |
876 try: | |
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|
877 globbed = glob.glob(pat) |
14320 | 878 except re.error: |
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879 globbed = [pat] |
14320 | 880 if globbed: |
881 ret.extend(globbed) | |
882 continue | |
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883 ret.append(kindpat) |
14320 | 884 return ret |
885 | |
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|
886 def matchandpats(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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887 badfn=None): |
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888 '''Return a matcher and the patterns that were used. |
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889 The matcher will warn about bad matches, unless an alternate badfn callback |
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890 is provided.''' |
14320 | 891 if pats == ("",): |
892 pats = [] | |
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893 if opts is None: |
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894 opts = {} |
14320 | 895 if not globbed and default == 'relpath': |
896 pats = expandpats(pats or []) | |
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|
897 |
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|
898 def bad(f, msg): |
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899 ctx.repo().ui.warn("%s: %s\n" % (m.rel(f), msg)) |
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900 |
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901 if badfn is None: |
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902 badfn = bad |
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903 |
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904 m = ctx.match(pats, opts.get('include'), opts.get('exclude'), |
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905 default, listsubrepos=opts.get('subrepos'), badfn=badfn) |
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|
906 |
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|
907 if m.always(): |
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|
908 pats = [] |
16171
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graphlog: restore FILE glob expansion on Windows
Patrick Mezard <patrick@mezard.eu>
parents:
16167
diff
changeset
|
909 return m, pats |
336e61875335
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Patrick Mezard <patrick@mezard.eu>
parents:
16167
diff
changeset
|
910 |
26328
188c1e9506f5
match: remove a mutable default argument
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26327
diff
changeset
|
911 def match(ctx, pats=(), opts=None, globbed=False, default='relpath', |
188c1e9506f5
match: remove a mutable default argument
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26327
diff
changeset
|
912 badfn=None): |
21111
9d28fd795215
match: improve documentation - docstrings and more descriptive variable naming
Mads Kiilerich <madski@unity3d.com>
parents:
20980
diff
changeset
|
913 '''Return a matcher that will warn about bad matches.''' |
25467
f64dbe06f3d0
scmutil: add an optional parameter to matcher factories for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
914 return matchandpats(ctx, pats, opts, globbed, default, badfn=badfn)[0] |
14320 | 915 |
916 def matchall(repo): | |
21111
9d28fd795215
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
917 '''Return a matcher that will efficiently match everything.''' |
14320 | 918 return matchmod.always(repo.root, repo.getcwd()) |
919 | |
25467
f64dbe06f3d0
scmutil: add an optional parameter to matcher factories for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
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25466
diff
changeset
|
920 def matchfiles(repo, files, badfn=None): |
21111
9d28fd795215
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Mads Kiilerich <madski@unity3d.com>
parents:
20980
diff
changeset
|
921 '''Return a matcher that will efficiently match exactly these files.''' |
25467
f64dbe06f3d0
scmutil: add an optional parameter to matcher factories for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents:
25466
diff
changeset
|
922 return matchmod.exact(repo.root, repo.getcwd(), files, badfn=badfn) |
14320 | 923 |
27651
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
924 def origpath(ui, repo, filepath): |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
925 '''customize where .orig files are created |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
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changeset
|
926 |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
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changeset
|
927 Fetch user defined path from config file: [ui] origbackuppath = <path> |
07fc2f2134ba
origpath: move from cmdutil to scmutil
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parents:
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diff
changeset
|
928 Fall back to default (filepath) if not specified |
07fc2f2134ba
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Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
929 ''' |
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Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
930 origbackuppath = ui.config('ui', 'origbackuppath', None) |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
931 if origbackuppath is None: |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
932 return filepath + ".orig" |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
933 |
07fc2f2134ba
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parents:
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diff
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|
934 filepathfromroot = os.path.relpath(filepath, start=repo.root) |
07fc2f2134ba
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Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
935 fullorigpath = repo.wjoin(origbackuppath, filepathfromroot) |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
936 |
07fc2f2134ba
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parents:
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diff
changeset
|
937 origbackupdir = repo.vfs.dirname(fullorigpath) |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
938 if not repo.vfs.exists(origbackupdir): |
07fc2f2134ba
origpath: move from cmdutil to scmutil
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
939 ui.note(_('creating directory: %s\n') % origbackupdir) |
07fc2f2134ba
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Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
940 util.makedirs(origbackupdir) |
07fc2f2134ba
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Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
941 |
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Siddharth Agarwal <sid0@fb.com>
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diff
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|
942 return fullorigpath + ".orig" |
07fc2f2134ba
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Siddharth Agarwal <sid0@fb.com>
parents:
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diff
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|
943 |
26329
d9537ce64f3a
addremove: remove a mutable default argument
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26328
diff
changeset
|
944 def addremove(repo, matcher, prefix, opts=None, dry_run=None, similarity=None): |
d9537ce64f3a
addremove: remove a mutable default argument
Pierre-Yves David <pierre-yves.david@fb.com>
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diff
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|
945 if opts is None: |
d9537ce64f3a
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parents:
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diff
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|
946 opts = {} |
23533
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scmutil: pass a matcher to scmutil.addremove() instead of a list of patterns
Matt Harbison <matt_harbison@yahoo.com>
parents:
23481
diff
changeset
|
947 m = matcher |
14320 | 948 if dry_run is None: |
949 dry_run = opts.get('dry_run') | |
950 if similarity is None: | |
951 similarity = float(opts.get('similarity') or 0) | |
23533
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scmutil: pass a matcher to scmutil.addremove() instead of a list of patterns
Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
952 |
23537
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
parents:
23534
diff
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|
953 ret = 0 |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
parents:
23534
diff
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|
954 join = lambda f: os.path.join(prefix, f) |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
955 |
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
956 wctx = repo[None] |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
parents:
23534
diff
changeset
|
957 for subpath in sorted(wctx.substate): |
29802
35560189677c
subrepo: cleanup of subrepo filematcher logic
Hannes Oldenburg <hannes.christian.oldenburg@gmail.com>
parents:
29771
diff
changeset
|
958 submatch = matchmod.subdirmatcher(subpath, m) |
35560189677c
subrepo: cleanup of subrepo filematcher logic
Hannes Oldenburg <hannes.christian.oldenburg@gmail.com>
parents:
29771
diff
changeset
|
959 if opts.get('subrepos') or m.exact(subpath) or any(submatch.files()): |
23537
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
960 sub = wctx.sub(subpath) |
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
961 try: |
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
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parents:
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|
962 if sub.addremove(submatch, prefix, opts, dry_run, similarity): |
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
963 ret = 1 |
f1b06a8aad42
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parents:
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diff
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|
964 except error.LookupError: |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
parents:
23534
diff
changeset
|
965 repo.ui.status(_("skipping missing subrepository: %s\n") |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
966 % join(subpath)) |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
967 |
16167
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
968 rejected = [] |
23534
83bbedc16b3f
addremove: warn when addremove fails to operate on a named path
Matt Harbison <matt_harbison@yahoo.com>
parents:
23533
diff
changeset
|
969 def badfn(f, msg): |
83bbedc16b3f
addremove: warn when addremove fails to operate on a named path
Matt Harbison <matt_harbison@yahoo.com>
parents:
23533
diff
changeset
|
970 if f in m.files(): |
25434
5984dd42e140
addremove: replace match.bad() monkey patching with match.badmatch()
Matt Harbison <matt_harbison@yahoo.com>
parents:
25418
diff
changeset
|
971 m.bad(f, msg) |
23534
83bbedc16b3f
addremove: warn when addremove fails to operate on a named path
Matt Harbison <matt_harbison@yahoo.com>
parents:
23533
diff
changeset
|
972 rejected.append(f) |
16167
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
973 |
25434
5984dd42e140
addremove: replace match.bad() monkey patching with match.badmatch()
Matt Harbison <matt_harbison@yahoo.com>
parents:
25418
diff
changeset
|
974 badmatch = matchmod.badmatch(m, badfn) |
5984dd42e140
addremove: replace match.bad() monkey patching with match.badmatch()
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
975 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, |
5984dd42e140
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
976 badmatch) |
18863
1b70e5941ad7
scmutil.addremove: pull ui.status printing out of the loop
Siddharth Agarwal <sid0@fb.com>
parents:
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diff
changeset
|
977 |
23259
9f4778027bc2
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
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|
978 unknownset = set(unknown + forgotten) |
18863
1b70e5941ad7
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parents:
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diff
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|
979 toprint = unknownset.copy() |
1b70e5941ad7
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Siddharth Agarwal <sid0@fb.com>
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diff
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|
980 toprint.update(deleted) |
1b70e5941ad7
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|
981 for abs in sorted(toprint): |
1b70e5941ad7
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parents:
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|
982 if repo.ui.verbose or not m.exact(abs): |
1b70e5941ad7
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diff
changeset
|
983 if abs in unknownset: |
23686
164915e8ef7b
narrowmatcher: propagate the rel() method
Matt Harbison <matt_harbison@yahoo.com>
parents:
23582
diff
changeset
|
984 status = _('adding %s\n') % m.uipath(abs) |
18863
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diff
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|
985 else: |
23686
164915e8ef7b
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Matt Harbison <matt_harbison@yahoo.com>
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diff
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|
986 status = _('removing %s\n') % m.uipath(abs) |
18863
1b70e5941ad7
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diff
changeset
|
987 repo.ui.status(status) |
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diff
changeset
|
988 |
19152
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parents:
19151
diff
changeset
|
989 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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diff
changeset
|
990 similarity) |
14320 | 991 |
992 if not dry_run: | |
23259
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Martin von Zweigbergk <martinvonz@google.com>
parents:
23142
diff
changeset
|
993 _markchanges(repo, unknown + forgotten, deleted, renames) |
14320 | 994 |
16167
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diff
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|
995 for f in rejected: |
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diff
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|
996 if f in m.files(): |
94a8396c9305
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Matt Mackall <mpm@selenic.com>
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diff
changeset
|
997 return 1 |
23537
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commit: propagate --addremove to subrepos if -S is specified (issue3759)
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diff
changeset
|
998 return ret |
16167
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Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
999 |
19154
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|
1000 def marktouched(repo, files, similarity=0.0): |
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|
1001 '''Assert that files have somehow been operated upon. files are relative to |
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|
1002 the repo root.''' |
25467
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Matt Harbison <matt_harbison@yahoo.com>
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|
1003 m = matchfiles(repo, files, badfn=lambda x, y: rejected.append(x)) |
19154
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|
1004 rejected = [] |
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diff
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|
1005 |
23259
9f4778027bc2
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Martin von Zweigbergk <martinvonz@google.com>
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diff
changeset
|
1006 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, m) |
19154
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|
1007 |
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changeset
|
1008 if repo.ui.verbose: |
23259
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|
1009 unknownset = set(unknown + forgotten) |
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|
1010 toprint = unknownset.copy() |
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|
1011 toprint.update(deleted) |
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|
1012 for abs in sorted(toprint): |
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|
1013 if abs in unknownset: |
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|
1014 status = _('adding %s\n') % abs |
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1015 else: |
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|
1016 status = _('removing %s\n') % abs |
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|
1017 repo.ui.status(status) |
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|
1018 |
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|
1019 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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|
1020 similarity) |
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diff
changeset
|
1021 |
23259
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changeset
|
1022 _markchanges(repo, unknown + forgotten, deleted, renames) |
19154
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|
1023 |
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changeset
|
1024 for f in rejected: |
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changeset
|
1025 if f in m.files(): |
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|
1026 return 1 |
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1027 return 0 |
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1028 |
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1029 def _interestingfiles(repo, matcher): |
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1030 '''Walk dirstate with matcher, looking for files that addremove would care |
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1031 about. |
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1032 |
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1033 This is different from dirstate.status because it doesn't care about |
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1034 whether files are modified or clean.''' |
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1035 added, unknown, deleted, removed, forgotten = [], [], [], [], [] |
20033
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1036 audit_path = pathutil.pathauditor(repo.root) |
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1037 |
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1038 ctx = repo[None] |
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1039 dirstate = repo.dirstate |
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1040 walkresults = dirstate.walk(matcher, sorted(ctx.substate), True, False, |
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1041 full=False) |
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1042 for abs, st in walkresults.iteritems(): |
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1043 dstate = dirstate[abs] |
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1044 if dstate == '?' and audit_path.check(abs): |
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1045 unknown.append(abs) |
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1046 elif dstate != 'r' and not st: |
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1047 deleted.append(abs) |
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1048 elif dstate == 'r' and st: |
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1049 forgotten.append(abs) |
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1050 # for finding renames |
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1051 elif dstate == 'r' and not st: |
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1052 removed.append(abs) |
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1053 elif dstate == 'a': |
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1054 added.append(abs) |
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1055 |
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1056 return added, unknown, deleted, removed, forgotten |
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1057 |
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1058 def _findrenames(repo, matcher, added, removed, similarity): |
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1059 '''Find renames from removed files to added ones.''' |
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1060 renames = {} |
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1061 if similarity > 0: |
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1062 for old, new, score in similar.findrenames(repo, added, removed, |
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1063 similarity): |
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1064 if (repo.ui.verbose or not matcher.exact(old) |
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1065 or not matcher.exact(new)): |
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1066 repo.ui.status(_('recording removal of %s as rename to %s ' |
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1067 '(%d%% similar)\n') % |
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1068 (matcher.rel(old), matcher.rel(new), |
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1069 score * 100)) |
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1070 renames[new] = old |
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1071 return renames |
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1072 |
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1073 def _markchanges(repo, unknown, deleted, renames): |
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1074 '''Marks the files in unknown as added, the files in deleted as removed, |
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1075 and the files in renames as copied.''' |
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1076 wctx = repo[None] |
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1077 with repo.wlock(): |
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1078 wctx.forget(deleted) |
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1079 wctx.add(unknown) |
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1080 for new, old in renames.iteritems(): |
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1081 wctx.copy(old, new) |
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1082 |
14320 | 1083 def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None): |
1084 """Update the dirstate to reflect the intent of copying src to dst. For | |
1085 different reasons it might not end with dst being marked as copied from src. | |
1086 """ | |
1087 origsrc = repo.dirstate.copied(src) or src | |
1088 if dst == origsrc: # copying back a copy? | |
1089 if repo.dirstate[dst] not in 'mn' and not dryrun: | |
1090 repo.dirstate.normallookup(dst) | |
1091 else: | |
1092 if repo.dirstate[origsrc] == 'a' and origsrc == src: | |
1093 if not ui.quiet: | |
1094 ui.warn(_("%s has not been committed yet, so no copy " | |
1095 "data will be stored for %s.\n") | |
1096 % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd))) | |
1097 if repo.dirstate[dst] in '?r' and not dryrun: | |
1098 wctx.add([dst]) | |
1099 elif not dryrun: | |
1100 wctx.copy(origsrc, dst) | |
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1101 |
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1102 def readrequires(opener, supported): |
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1103 '''Reads and parses .hg/requires and checks if all entries found |
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1104 are in the list of supported features.''' |
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1105 requirements = set(opener.read("requires").splitlines()) |
14746
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1106 missings = [] |
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1107 for r in requirements: |
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1108 if r not in supported: |
14484
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1109 if not r or not r[0].isalnum(): |
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1110 raise error.RequirementError(_(".hg/requires file is corrupt")) |
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1111 missings.append(r) |
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1112 missings.sort() |
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1113 if missings: |
16683 | 1114 raise error.RequirementError( |
20820
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1115 _("repository requires features unknown to this Mercurial: %s") |
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1116 % " ".join(missings), |
26421
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1117 hint=_("see https://mercurial-scm.org/wiki/MissingRequirement" |
20820
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1118 " for more information")) |
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1119 return requirements |
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1120 |
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1121 def writerequires(opener, requirements): |
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1122 with opener('requires', 'w') as fp: |
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1123 for r in sorted(requirements): |
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1124 fp.write("%s\n" % r) |
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1125 |
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1126 class filecachesubentry(object): |
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1127 def __init__(self, path, stat): |
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1128 self.path = path |
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1129 self.cachestat = None |
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1130 self._cacheable = None |
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1131 |
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1132 if stat: |
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1133 self.cachestat = filecachesubentry.stat(self.path) |
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1134 |
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1135 if self.cachestat: |
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1136 self._cacheable = self.cachestat.cacheable() |
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1137 else: |
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1138 # None means we don't know yet |
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1139 self._cacheable = None |
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1140 |
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1141 def refresh(self): |
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1142 if self.cacheable(): |
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1143 self.cachestat = filecachesubentry.stat(self.path) |
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1144 |
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1145 def cacheable(self): |
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1146 if self._cacheable is not None: |
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1147 return self._cacheable |
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1148 |
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1149 # we don't know yet, assume it is for now |
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1150 return True |
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1151 |
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1152 def changed(self): |
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1153 # no point in going further if we can't cache it |
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1154 if not self.cacheable(): |
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1155 return True |
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1156 |
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1157 newstat = filecachesubentry.stat(self.path) |
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1158 |
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1159 # we may not know if it's cacheable yet, check again now |
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1160 if newstat and self._cacheable is None: |
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1161 self._cacheable = newstat.cacheable() |
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1162 |
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1163 # check again |
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1164 if not self._cacheable: |
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1165 return True |
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1166 |
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1167 if self.cachestat != newstat: |
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1168 self.cachestat = newstat |
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1169 return True |
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1170 else: |
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1171 return False |
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1172 |
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1173 @staticmethod |
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1174 def stat(path): |
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1175 try: |
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1176 return util.cachestat(path) |
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1177 except OSError as e: |
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1178 if e.errno != errno.ENOENT: |
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1179 raise |
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1180 |
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1181 class filecacheentry(object): |
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1182 def __init__(self, paths, stat=True): |
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1183 self._entries = [] |
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1184 for path in paths: |
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1185 self._entries.append(filecachesubentry(path, stat)) |
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1186 |
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1187 def changed(self): |
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1188 '''true if any entry has changed''' |
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1189 for entry in self._entries: |
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1190 if entry.changed(): |
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1191 return True |
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1192 return False |
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1193 |
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1194 def refresh(self): |
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1195 for entry in self._entries: |
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1196 entry.refresh() |
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1197 |
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1198 class filecache(object): |
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1199 '''A property like decorator that tracks files under .hg/ for updates. |
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1200 |
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1201 Records stat info when called in _filecache. |
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1202 |
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1203 On subsequent calls, compares old stat info with new info, and recreates the |
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1204 object when any of the files changes, updating the new stat info in |
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1205 _filecache. |
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1206 |
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1207 Mercurial either atomic renames or appends for files under .hg, |
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1208 so to ensure the cache is reliable we need the filesystem to be able |
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1209 to tell us if a file has been replaced. If it can't, we fallback to |
26098 | 1210 recreating the object on every call (essentially the same behavior as |
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1211 propertycache). |
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1212 |
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1213 ''' |
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1214 def __init__(self, *paths): |
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1215 self.paths = paths |
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1216 |
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1217 def join(self, obj, fname): |
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1218 """Used to compute the runtime path of a cached file. |
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1219 |
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1220 Users should subclass filecache and provide their own version of this |
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1221 function to call the appropriate join function on 'obj' (an instance |
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1222 of the class that its member function was decorated). |
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1223 """ |
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1224 return obj.join(fname) |
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1225 |
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1226 def __call__(self, func): |
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1227 self.func = func |
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1228 self.name = func.__name__ |
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1229 return self |
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1230 |
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1231 def __get__(self, obj, type=None): |
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1232 # if accessed on the class, return the descriptor itself. |
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1233 if obj is None: |
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1234 return self |
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1235 # do we need to check if the file changed? |
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1236 if self.name in obj.__dict__: |
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1237 assert self.name in obj._filecache, self.name |
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1238 return obj.__dict__[self.name] |
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1239 |
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1240 entry = obj._filecache.get(self.name) |
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1241 |
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1242 if entry: |
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1243 if entry.changed(): |
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1244 entry.obj = self.func(obj) |
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1245 else: |
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1246 paths = [self.join(obj, path) for path in self.paths] |
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1247 |
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1248 # We stat -before- creating the object so our cache doesn't lie if |
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1249 # a writer modified between the time we read and stat |
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1250 entry = filecacheentry(paths, True) |
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1251 entry.obj = self.func(obj) |
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1252 |
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1253 obj._filecache[self.name] = entry |
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1254 |
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1255 obj.__dict__[self.name] = entry.obj |
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1256 return entry.obj |
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1257 |
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1258 def __set__(self, obj, value): |
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1259 if self.name not in obj._filecache: |
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1260 # we add an entry for the missing value because X in __dict__ |
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1261 # implies X in _filecache |
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1262 paths = [self.join(obj, path) for path in self.paths] |
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1263 ce = filecacheentry(paths, False) |
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1264 obj._filecache[self.name] = ce |
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1265 else: |
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1266 ce = obj._filecache[self.name] |
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1267 |
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1268 ce.obj = value # update cached copy |
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1269 obj.__dict__[self.name] = value # update copy returned by obj.x |
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1270 |
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1271 def __delete__(self, obj): |
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1272 try: |
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1273 del obj.__dict__[self.name] |
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1274 except KeyError: |
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1275 raise AttributeError(self.name) |
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1276 |
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1277 def _locksub(repo, lock, envvar, cmd, environ=None, *args, **kwargs): |
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1278 if lock is None: |
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1279 raise error.LockInheritanceContractViolation( |
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1280 'lock can only be inherited while held') |
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1281 if environ is None: |
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1282 environ = {} |
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1283 with lock.inherit() as locker: |
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1284 environ[envvar] = locker |
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1285 return repo.ui.system(cmd, environ=environ, *args, **kwargs) |
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1286 |
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1287 def wlocksub(repo, cmd, *args, **kwargs): |
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1288 """run cmd as a subprocess that allows inheriting repo's wlock |
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1289 |
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1290 This can only be called while the wlock is held. This takes all the |
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1291 arguments that ui.system does, and returns the exit code of the |
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1292 subprocess.""" |
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1293 return _locksub(repo, repo.currentwlock(), 'HG_WLOCK_LOCKER', cmd, *args, |
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1294 **kwargs) |
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1295 |
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1296 def gdinitconfig(ui): |
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1297 """helper function to know if a repo should be created as general delta |
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1298 """ |
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1299 # experimental config: format.generaldelta |
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1300 return (ui.configbool('format', 'generaldelta', False) |
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1301 or ui.configbool('format', 'usegeneraldelta', True)) |
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1302 |
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1303 def gddeltaconfig(ui): |
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1304 """helper function to know if incoming delta should be optimised |
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1305 """ |
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1306 # experimental config: format.generaldelta |
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1307 return ui.configbool('format', 'generaldelta', False) |
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1308 |
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1309 class closewrapbase(object): |
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1310 """Base class of wrapper, which hooks closing |
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1311 |
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1312 Do not instantiate outside of the vfs layer. |
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1313 """ |
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1314 def __init__(self, fh): |
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1315 object.__setattr__(self, '_origfh', fh) |
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1316 |
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1317 def __getattr__(self, attr): |
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1318 return getattr(self._origfh, attr) |
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1319 |
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1320 def __setattr__(self, attr, value): |
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1321 return setattr(self._origfh, attr, value) |
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1322 |
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1323 def __delattr__(self, attr): |
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1324 return delattr(self._origfh, attr) |
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1325 |
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1326 def __enter__(self): |
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1327 return self._origfh.__enter__() |
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1328 |
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1329 def __exit__(self, exc_type, exc_value, exc_tb): |
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1330 raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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1331 |
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1332 def close(self): |
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1333 raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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1334 |
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1335 class delayclosedfile(closewrapbase): |
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1336 """Proxy for a file object whose close is delayed. |
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1337 |
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1338 Do not instantiate outside of the vfs layer. |
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1339 """ |
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1340 def __init__(self, fh, closer): |
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1341 super(delayclosedfile, self).__init__(fh) |
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1342 object.__setattr__(self, '_closer', closer) |
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1343 |
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1344 def __exit__(self, exc_type, exc_value, exc_tb): |
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1345 self._closer.close(self._origfh) |
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1346 |
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1347 def close(self): |
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1348 self._closer.close(self._origfh) |
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1349 |
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1350 class backgroundfilecloser(object): |
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1351 """Coordinates background closing of file handles on multiple threads.""" |
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1352 def __init__(self, ui, expectedcount=-1): |
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1353 self._running = False |
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1354 self._entered = False |
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1355 self._threads = [] |
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1356 self._threadexception = None |
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1357 |
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1358 # Only Windows/NTFS has slow file closing. So only enable by default |
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1359 # on that platform. But allow to be enabled elsewhere for testing. |
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1360 defaultenabled = os.name == 'nt' |
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1361 enabled = ui.configbool('worker', 'backgroundclose', defaultenabled) |
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1362 |
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1363 if not enabled: |
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1364 return |
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1365 |
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1366 # There is overhead to starting and stopping the background threads. |
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1367 # Don't do background processing unless the file count is large enough |
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1368 # to justify it. |
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1369 minfilecount = ui.configint('worker', 'backgroundcloseminfilecount', |
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1370 2048) |
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1371 # FUTURE dynamically start background threads after minfilecount closes. |
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1372 # (We don't currently have any callers that don't know their file count) |
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1373 if expectedcount > 0 and expectedcount < minfilecount: |
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1374 return |
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1375 |
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1376 # Windows defaults to a limit of 512 open files. A buffer of 128 |
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1377 # should give us enough headway. |
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1378 maxqueue = ui.configint('worker', 'backgroundclosemaxqueue', 384) |
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1379 threadcount = ui.configint('worker', 'backgroundclosethreadcount', 4) |
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1380 |
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1381 ui.debug('starting %d threads for background file closing\n' % |
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1382 threadcount) |
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1383 |
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1384 self._queue = util.queue(maxsize=maxqueue) |
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1385 self._running = True |
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1386 |
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1387 for i in range(threadcount): |
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1388 t = threading.Thread(target=self._worker, name='backgroundcloser') |
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1389 self._threads.append(t) |
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1390 t.start() |
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1391 |
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1392 def __enter__(self): |
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1393 self._entered = True |
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1394 return self |
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1395 |
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1396 def __exit__(self, exc_type, exc_value, exc_tb): |
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1397 self._running = False |
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1398 |
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1399 # Wait for threads to finish closing so open files don't linger for |
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1400 # longer than lifetime of context manager. |
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1401 for t in self._threads: |
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1402 t.join() |
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1403 |
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1404 def _worker(self): |
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1405 """Main routine for worker thread.""" |
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1406 while True: |
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1407 try: |
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1408 fh = self._queue.get(block=True, timeout=0.100) |
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1409 # Need to catch or the thread will terminate and |
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1410 # we could orphan file descriptors. |
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1411 try: |
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1412 fh.close() |
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1413 except Exception as e: |
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1414 # Stash so can re-raise from main thread later. |
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1415 self._threadexception = e |
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1416 except util.empty: |
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1417 if not self._running: |
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1418 break |
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1419 |
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1420 def close(self, fh): |
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1421 """Schedule a file for closing.""" |
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1422 if not self._entered: |
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1423 raise error.Abort(_('can only call close() when context manager ' |
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1424 'active')) |
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1425 |
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1426 # If a background thread encountered an exception, raise now so we fail |
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1427 # fast. Otherwise we may potentially go on for minutes until the error |
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1428 # is acted on. |
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1429 if self._threadexception: |
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1430 e = self._threadexception |
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1431 self._threadexception = None |
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1432 raise e |
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1433 |
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1434 # If we're not actively running, close synchronously. |
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1435 if not self._running: |
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1436 fh.close() |
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1437 return |
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1438 |
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1439 self._queue.put(fh, block=True, timeout=None) |
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1440 |
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1441 class checkambigatclosing(closewrapbase): |
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1442 """Proxy for a file object, to avoid ambiguity of file stat |
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1443 |
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1444 See also util.filestat for detail about "ambiguity of file stat". |
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1445 |
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1446 This proxy is useful only if the target file is guarded by any |
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1447 lock (e.g. repo.lock or repo.wlock) |
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1448 |
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1449 Do not instantiate outside of the vfs layer. |
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1450 """ |
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1451 def __init__(self, fh): |
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1452 super(checkambigatclosing, self).__init__(fh) |
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1453 object.__setattr__(self, '_oldstat', util.filestat(fh.name)) |
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1454 |
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1455 def _checkambig(self): |
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1456 oldstat = self._oldstat |
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1457 if oldstat.stat: |
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1458 newstat = util.filestat(self._origfh.name) |
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1459 if newstat.isambig(oldstat): |
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1460 # stat of changed file is ambiguous to original one |
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1461 advanced = (oldstat.stat.st_mtime + 1) & 0x7fffffff |
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1462 os.utime(self._origfh.name, (advanced, advanced)) |
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1463 |
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1464 def __exit__(self, exc_type, exc_value, exc_tb): |
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1465 self._origfh.__exit__(exc_type, exc_value, exc_tb) |
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1466 self._checkambig() |
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1467 |
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1468 def close(self): |
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1469 self._origfh.close() |
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1470 self._checkambig() |