Mercurial > hg
annotate mercurial/scmutil.py @ 29327:baab9ea4426c
crecord: drop unused "operation" parameter from filterpatch function
author | Denis Laxalde <denis.laxalde@logilab.fr> |
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date | Tue, 07 Jun 2016 11:57:11 +0200 |
parents | 731ced087a4b |
children | 9368ed12f3c0 |
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 os |
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14 import re |
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15 import shutil |
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16 import stat |
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17 import tempfile |
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18 import threading |
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19 |
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20 from .i18n import _ |
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21 from .node import wdirrev |
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22 from . import ( |
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23 encoding, |
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24 error, |
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25 match as matchmod, |
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26 osutil, |
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27 pathutil, |
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28 phases, |
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29 revset, |
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30 similar, |
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31 util, |
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32 ) |
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33 |
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34 if os.name == 'nt': |
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35 from . import scmwindows as scmplatform |
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36 else: |
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37 from . import scmposix as scmplatform |
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38 |
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39 systemrcpath = scmplatform.systemrcpath |
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40 userrcpath = scmplatform.userrcpath |
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41 |
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42 class status(tuple): |
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43 '''Named tuple with a list of files per status. The 'deleted', 'unknown' |
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44 and 'ignored' properties are only relevant to the working copy. |
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45 ''' |
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46 |
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47 __slots__ = () |
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48 |
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49 def __new__(cls, modified, added, removed, deleted, unknown, ignored, |
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50 clean): |
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51 return tuple.__new__(cls, (modified, added, removed, deleted, unknown, |
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52 ignored, clean)) |
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53 |
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54 @property |
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55 def modified(self): |
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56 '''files that have been modified''' |
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57 return self[0] |
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58 |
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59 @property |
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60 def added(self): |
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61 '''files that have been added''' |
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62 return self[1] |
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63 |
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64 @property |
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65 def removed(self): |
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66 '''files that have been removed''' |
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67 return self[2] |
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68 |
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69 @property |
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70 def deleted(self): |
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71 '''files that are in the dirstate, but have been deleted from the |
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72 working copy (aka "missing") |
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73 ''' |
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74 return self[3] |
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75 |
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76 @property |
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77 def unknown(self): |
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78 '''files not in the dirstate that are not ignored''' |
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79 return self[4] |
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80 |
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81 @property |
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82 def ignored(self): |
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83 '''files not in the dirstate that are ignored (by _dirignore())''' |
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84 return self[5] |
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85 |
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86 @property |
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87 def clean(self): |
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88 '''files that have not been modified''' |
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89 return self[6] |
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90 |
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91 def __repr__(self, *args, **kwargs): |
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92 return (('<status modified=%r, added=%r, removed=%r, deleted=%r, ' |
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93 'unknown=%r, ignored=%r, clean=%r>') % self) |
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94 |
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95 def itersubrepos(ctx1, ctx2): |
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96 """find subrepos in ctx1 or ctx2""" |
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97 # Create a (subpath, ctx) mapping where we prefer subpaths from |
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98 # ctx1. The subpaths from ctx2 are important when the .hgsub file |
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99 # has been modified (in ctx2) but not yet committed (in ctx1). |
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100 subpaths = dict.fromkeys(ctx2.substate, ctx2) |
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101 subpaths.update(dict.fromkeys(ctx1.substate, ctx1)) |
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102 |
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103 missing = set() |
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104 |
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105 for subpath in ctx2.substate: |
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106 if subpath not in ctx1.substate: |
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107 del subpaths[subpath] |
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108 missing.add(subpath) |
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109 |
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110 for subpath, ctx in sorted(subpaths.iteritems()): |
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111 yield subpath, ctx.sub(subpath) |
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112 |
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113 # Yield an empty subrepo based on ctx1 for anything only in ctx2. That way, |
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114 # status and diff will have an accurate result when it does |
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115 # 'sub.{status|diff}(rev2)'. Otherwise, the ctx2 subrepo is compared |
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116 # against itself. |
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117 for subpath in missing: |
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118 yield subpath, ctx2.nullsub(subpath, ctx1) |
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119 |
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120 def nochangesfound(ui, repo, excluded=None): |
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121 '''Report no changes for push/pull, excluded is None or a list of |
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122 nodes excluded from the push/pull. |
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123 ''' |
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124 secretlist = [] |
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125 if excluded: |
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126 for n in excluded: |
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127 if n not in repo: |
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128 # discovery should not have included the filtered revision, |
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129 # we have to explicitly exclude it until discovery is cleanup. |
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130 continue |
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131 ctx = repo[n] |
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132 if ctx.phase() >= phases.secret and not ctx.extinct(): |
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133 secretlist.append(n) |
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134 |
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135 if secretlist: |
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136 ui.status(_("no changes found (ignored %d secret changesets)\n") |
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137 % len(secretlist)) |
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138 else: |
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139 ui.status(_("no changes found\n")) |
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140 |
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141 def checknewlabel(repo, lbl, kind): |
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142 # Do not use the "kind" parameter in ui output. |
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143 # It makes strings difficult to translate. |
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144 if lbl in ['tip', '.', 'null']: |
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145 raise error.Abort(_("the name '%s' is reserved") % lbl) |
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146 for c in (':', '\0', '\n', '\r'): |
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147 if c in lbl: |
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148 raise error.Abort(_("%r cannot be used in a name") % c) |
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149 try: |
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150 int(lbl) |
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151 raise error.Abort(_("cannot use an integer as a name")) |
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152 except ValueError: |
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153 pass |
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154 |
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155 def checkfilename(f): |
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156 '''Check that the filename f is an acceptable filename for a tracked file''' |
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157 if '\r' in f or '\n' in f: |
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158 raise error.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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159 |
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160 def checkportable(ui, f): |
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161 '''Check if filename f is portable and warn or abort depending on config''' |
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162 checkfilename(f) |
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163 abort, warn = checkportabilityalert(ui) |
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164 if abort or warn: |
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165 msg = util.checkwinfilename(f) |
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166 if msg: |
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167 msg = "%s: %r" % (msg, f) |
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168 if abort: |
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169 raise error.Abort(msg) |
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170 ui.warn(_("warning: %s\n") % msg) |
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171 |
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172 def checkportabilityalert(ui): |
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173 '''check if the user's config requests nothing, a warning, or abort for |
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174 non-portable filenames''' |
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175 val = ui.config('ui', 'portablefilenames', 'warn') |
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176 lval = val.lower() |
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177 bval = util.parsebool(val) |
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178 abort = os.name == 'nt' or lval == 'abort' |
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179 warn = bval or lval == 'warn' |
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180 if bval is None and not (warn or abort or lval == 'ignore'): |
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181 raise error.ConfigError( |
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182 _("ui.portablefilenames value is invalid ('%s')") % val) |
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183 return abort, warn |
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184 |
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185 class casecollisionauditor(object): |
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186 def __init__(self, ui, abort, dirstate): |
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187 self._ui = ui |
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188 self._abort = abort |
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189 allfiles = '\0'.join(dirstate._map) |
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190 self._loweredfiles = set(encoding.lower(allfiles).split('\0')) |
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191 self._dirstate = dirstate |
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192 # The purpose of _newfiles is so that we don't complain about |
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193 # case collisions if someone were to call this object with the |
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194 # same filename twice. |
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195 self._newfiles = set() |
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196 |
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197 def __call__(self, f): |
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198 if f in self._newfiles: |
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199 return |
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200 fl = encoding.lower(f) |
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201 if fl in self._loweredfiles and f not in self._dirstate: |
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202 msg = _('possible case-folding collision for %s') % f |
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203 if self._abort: |
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204 raise error.Abort(msg) |
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205 self._ui.warn(_("warning: %s\n") % msg) |
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206 self._loweredfiles.add(fl) |
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207 self._newfiles.add(f) |
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208 |
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209 def filteredhash(repo, maxrev): |
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210 """build hash of filtered revisions in the current repoview. |
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211 |
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212 Multiple caches perform up-to-date validation by checking that the |
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213 tiprev and tipnode stored in the cache file match the current repository. |
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214 However, this is not sufficient for validating repoviews because the set |
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215 of revisions in the view may change without the repository tiprev and |
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216 tipnode changing. |
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217 |
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218 This function hashes all the revs filtered from the view and returns |
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219 that SHA-1 digest. |
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220 """ |
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221 cl = repo.changelog |
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222 if not cl.filteredrevs: |
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223 return None |
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224 key = None |
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225 revs = sorted(r for r in cl.filteredrevs if r <= maxrev) |
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226 if revs: |
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227 s = util.sha1() |
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228 for rev in revs: |
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229 s.update('%s;' % rev) |
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230 key = s.digest() |
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231 return key |
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232 |
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233 class abstractvfs(object): |
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234 """Abstract base class; cannot be instantiated""" |
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235 |
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236 def __init__(self, *args, **kwargs): |
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237 '''Prevent instantiation; don't call this from subclasses.''' |
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238 raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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239 |
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240 def tryread(self, path): |
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241 '''gracefully return an empty string for missing files''' |
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242 try: |
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243 return self.read(path) |
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244 except IOError as inst: |
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245 if inst.errno != errno.ENOENT: |
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246 raise |
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247 return "" |
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248 |
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249 def tryreadlines(self, path, mode='rb'): |
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250 '''gracefully return an empty array for missing files''' |
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251 try: |
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252 return self.readlines(path, mode=mode) |
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253 except IOError as inst: |
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254 if inst.errno != errno.ENOENT: |
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255 raise |
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256 return [] |
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257 |
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258 def open(self, path, mode="r", text=False, atomictemp=False, |
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259 notindexed=False, backgroundclose=False): |
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260 '''Open ``path`` file, which is relative to vfs root. |
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261 |
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262 Newly created directories are marked as "not to be indexed by |
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263 the content indexing service", if ``notindexed`` is specified |
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264 for "write" mode access. |
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265 ''' |
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266 self.open = self.__call__ |
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267 return self.__call__(path, mode, text, atomictemp, notindexed, |
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268 backgroundclose=backgroundclose) |
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269 |
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270 def read(self, path): |
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271 with self(path, 'rb') as fp: |
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272 return fp.read() |
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273 |
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274 def readlines(self, path, mode='rb'): |
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275 with self(path, mode=mode) as fp: |
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276 return fp.readlines() |
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277 |
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278 def write(self, path, data, backgroundclose=False): |
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279 with self(path, 'wb', backgroundclose=backgroundclose) as fp: |
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280 return fp.write(data) |
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281 |
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282 def writelines(self, path, data, mode='wb', notindexed=False): |
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283 with self(path, mode=mode, notindexed=notindexed) as fp: |
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284 return fp.writelines(data) |
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285 |
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286 def append(self, path, data): |
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287 with self(path, 'ab') as fp: |
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288 return fp.write(data) |
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289 |
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290 def basename(self, path): |
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291 """return base element of a path (as os.path.basename would do) |
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292 |
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293 This exists to allow handling of strange encoding if needed.""" |
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294 return os.path.basename(path) |
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295 |
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296 def chmod(self, path, mode): |
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297 return os.chmod(self.join(path), mode) |
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298 |
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299 def dirname(self, path): |
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300 """return dirname element of a path (as os.path.dirname would do) |
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301 |
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302 This exists to allow handling of strange encoding if needed.""" |
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303 return os.path.dirname(path) |
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304 |
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305 def exists(self, path=None): |
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306 return os.path.exists(self.join(path)) |
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307 |
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308 def fstat(self, fp): |
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309 return util.fstat(fp) |
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310 |
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311 def isdir(self, path=None): |
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312 return os.path.isdir(self.join(path)) |
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313 |
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314 def isfile(self, path=None): |
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315 return os.path.isfile(self.join(path)) |
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316 |
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317 def islink(self, path=None): |
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318 return os.path.islink(self.join(path)) |
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319 |
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320 def isfileorlink(self, path=None): |
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321 '''return whether path is a regular file or a symlink |
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322 |
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323 Unlike isfile, this doesn't follow symlinks.''' |
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324 try: |
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325 st = self.lstat(path) |
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326 except OSError: |
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327 return False |
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328 mode = st.st_mode |
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329 return stat.S_ISREG(mode) or stat.S_ISLNK(mode) |
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330 |
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331 def reljoin(self, *paths): |
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332 """join various elements of a path together (as os.path.join would do) |
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333 |
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334 The vfs base is not injected so that path stay relative. This exists |
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335 to allow handling of strange encoding if needed.""" |
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336 return os.path.join(*paths) |
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337 |
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338 def split(self, path): |
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339 """split top-most element of a path (as os.path.split would do) |
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340 |
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341 This exists to allow handling of strange encoding if needed.""" |
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342 return os.path.split(path) |
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343 |
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344 def lexists(self, path=None): |
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345 return os.path.lexists(self.join(path)) |
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346 |
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347 def lstat(self, path=None): |
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348 return os.lstat(self.join(path)) |
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349 |
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350 def listdir(self, path=None): |
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351 return os.listdir(self.join(path)) |
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352 |
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353 def makedir(self, path=None, notindexed=True): |
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354 return util.makedir(self.join(path), notindexed) |
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355 |
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356 def makedirs(self, path=None, mode=None): |
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357 return util.makedirs(self.join(path), mode) |
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358 |
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359 def makelock(self, info, path): |
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360 return util.makelock(info, self.join(path)) |
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361 |
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362 def mkdir(self, path=None): |
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363 return os.mkdir(self.join(path)) |
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364 |
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365 def mkstemp(self, suffix='', prefix='tmp', dir=None, text=False): |
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366 fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, |
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367 dir=self.join(dir), text=text) |
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368 dname, fname = util.split(name) |
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369 if dir: |
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370 return fd, os.path.join(dir, fname) |
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371 else: |
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372 return fd, fname |
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373 |
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374 def readdir(self, path=None, stat=None, skip=None): |
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375 return osutil.listdir(self.join(path), stat, skip) |
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376 |
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377 def readlock(self, path): |
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378 return util.readlock(self.join(path)) |
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379 |
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380 def rename(self, src, dst, checkambig=False): |
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381 dstpath = self.join(dst) |
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382 oldstat = checkambig and util.filestat(dstpath) |
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383 if oldstat and oldstat.stat: |
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384 ret = util.rename(self.join(src), dstpath) |
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385 newstat = util.filestat(dstpath) |
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386 if newstat.isambig(oldstat): |
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387 # stat of renamed file is ambiguous to original one |
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388 advanced = (oldstat.stat.st_mtime + 1) & 0x7fffffff |
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389 os.utime(dstpath, (advanced, advanced)) |
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390 return ret |
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391 return util.rename(self.join(src), dstpath) |
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392 |
18950
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393 def readlink(self, path): |
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394 return os.readlink(self.join(path)) |
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395 |
24693
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396 def removedirs(self, path=None): |
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397 """Remove a leaf directory and all empty intermediate ones |
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398 """ |
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399 return util.removedirs(self.join(path)) |
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400 |
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401 def rmtree(self, path=None, ignore_errors=False, forcibly=False): |
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402 """Remove a directory tree recursively |
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|
403 |
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|
404 If ``forcibly``, this tries to remove READ-ONLY files, too. |
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405 """ |
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|
406 if forcibly: |
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407 def onerror(function, path, excinfo): |
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|
408 if function is not os.remove: |
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|
409 raise |
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|
410 # read-only files cannot be unlinked under Windows |
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|
411 s = os.stat(path) |
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412 if (s.st_mode & stat.S_IWRITE) != 0: |
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|
413 raise |
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|
414 os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE) |
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415 os.remove(path) |
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416 else: |
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417 onerror = None |
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418 return shutil.rmtree(self.join(path), |
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419 ignore_errors=ignore_errors, onerror=onerror) |
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420 |
18951
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421 def setflags(self, path, l, x): |
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422 return util.setflags(self.join(path), l, x) |
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423 |
17726
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424 def stat(self, path=None): |
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425 return os.stat(self.join(path)) |
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426 |
19895
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427 def unlink(self, path=None): |
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428 return util.unlink(self.join(path)) |
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429 |
21716
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430 def unlinkpath(self, path=None, ignoremissing=False): |
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431 return util.unlinkpath(self.join(path), ignoremissing) |
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432 |
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433 def utime(self, path=None, t=None): |
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434 return os.utime(self.join(path), t) |
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|
435 |
24725 | 436 def walk(self, path=None, onerror=None): |
437 """Yield (dirpath, dirs, files) tuple for each directories under path | |
438 | |
439 ``dirpath`` is relative one from the root of this vfs. This | |
440 uses ``os.sep`` as path separator, even you specify POSIX | |
441 style ``path``. | |
442 | |
443 "The root of this vfs" is represented as empty ``dirpath``. | |
444 """ | |
445 root = os.path.normpath(self.join(None)) | |
446 # when dirpath == root, dirpath[prefixlen:] becomes empty | |
447 # because len(dirpath) < prefixlen. | |
448 prefixlen = len(pathutil.normasprefix(root)) | |
449 for dirpath, dirs, files in os.walk(self.join(path), onerror=onerror): | |
450 yield (dirpath[prefixlen:], dirs, files) | |
451 | |
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452 @contextlib.contextmanager |
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453 def backgroundclosing(self, ui, expectedcount=-1): |
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454 """Allow files to be closed asynchronously. |
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455 |
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456 When this context manager is active, ``backgroundclose`` can be passed |
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457 to ``__call__``/``open`` to result in the file possibly being closed |
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458 asynchronously, on a background thread. |
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459 """ |
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460 # This is an arbitrary restriction and could be changed if we ever |
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461 # have a use case. |
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462 vfs = getattr(self, 'vfs', self) |
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463 if getattr(vfs, '_backgroundfilecloser', None): |
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464 raise error.Abort('can only have 1 active background file closer') |
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465 |
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466 with backgroundfilecloser(ui, expectedcount=expectedcount) as bfc: |
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467 try: |
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468 vfs._backgroundfilecloser = bfc |
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469 yield bfc |
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470 finally: |
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471 vfs._backgroundfilecloser = None |
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472 |
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473 class vfs(abstractvfs): |
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474 '''Operate files relative to a base directory |
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475 |
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476 This class is used to hide the details of COW semantics and |
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477 remote file access from higher level code. |
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478 ''' |
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479 def __init__(self, base, audit=True, expandpath=False, realpath=False): |
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480 if expandpath: |
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481 base = util.expandpath(base) |
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482 if realpath: |
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483 base = os.path.realpath(base) |
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484 self.base = base |
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485 self.mustaudit = audit |
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486 self.createmode = None |
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487 self._trustnlink = None |
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488 |
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489 @property |
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490 def mustaudit(self): |
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491 return self._audit |
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492 |
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493 @mustaudit.setter |
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494 def mustaudit(self, onoff): |
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495 self._audit = onoff |
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496 if onoff: |
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497 self.audit = pathutil.pathauditor(self.base) |
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498 else: |
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499 self.audit = util.always |
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500 |
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501 @util.propertycache |
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502 def _cansymlink(self): |
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503 return util.checklink(self.base) |
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504 |
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505 @util.propertycache |
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506 def _chmod(self): |
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507 return util.checkexec(self.base) |
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508 |
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509 def _fixfilemode(self, name): |
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510 if self.createmode is None or not self._chmod: |
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511 return |
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512 os.chmod(name, self.createmode & 0o666) |
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513 |
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514 def __call__(self, path, mode="r", text=False, atomictemp=False, |
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515 notindexed=False, backgroundclose=False, checkambig=False): |
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516 '''Open ``path`` file, which is relative to vfs root. |
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517 |
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518 Newly created directories are marked as "not to be indexed by |
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|
519 the content indexing service", if ``notindexed`` is specified |
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520 for "write" mode access. |
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521 |
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522 If ``backgroundclose`` is passed, the file may be closed asynchronously. |
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523 It can only be used if the ``self.backgroundclosing()`` context manager |
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524 is active. This should only be specified if the following criteria hold: |
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525 |
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526 1. There is a potential for writing thousands of files. Unless you |
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527 are writing thousands of files, the performance benefits of |
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528 asynchronously closing files is not realized. |
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529 2. Files are opened exactly once for the ``backgroundclosing`` |
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530 active duration and are therefore free of race conditions between |
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531 closing a file on a background thread and reopening it. (If the |
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532 file were opened multiple times, there could be unflushed data |
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|
533 because the original file handle hasn't been flushed/closed yet.) |
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534 |
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|
535 ``checkambig`` is passed to atomictempfile (valid only for writing). |
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536 ''' |
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537 if self._audit: |
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|
538 r = util.checkosfilename(path) |
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|
539 if r: |
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|
540 raise error.Abort("%s: %r" % (r, path)) |
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|
541 self.audit(path) |
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|
542 f = self.join(path) |
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543 |
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544 if not text and "b" not in mode: |
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545 mode += "b" # for that other OS |
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546 |
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547 nlink = -1 |
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548 if mode not in ('r', 'rb'): |
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549 dirname, basename = util.split(f) |
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550 # If basename is empty, then the path is malformed because it points |
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551 # to a directory. Let the posixfile() call below raise IOError. |
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552 if basename: |
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|
553 if atomictemp: |
29017
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parents:
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diff
changeset
|
554 util.makedirs(dirname, self.createmode, notindexed) |
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|
555 return util.atomictempfile(f, mode, self.createmode, |
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|
556 checkambig=checkambig) |
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557 try: |
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558 if 'w' in mode: |
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|
559 util.unlink(f) |
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|
560 nlink = 0 |
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|
561 else: |
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|
562 # nlinks() may behave differently for files on Windows |
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diff
changeset
|
563 # shares if the file is open. |
27706
22e362da27cf
scmutil: use context managers for file handles
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parents:
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diff
changeset
|
564 with util.posixfile(f): |
22e362da27cf
scmutil: use context managers for file handles
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parents:
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diff
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|
565 nlink = util.nlinks(f) |
22e362da27cf
scmutil: use context managers for file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
566 if nlink < 1: |
22e362da27cf
scmutil: use context managers for file handles
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parents:
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diff
changeset
|
567 nlink = 2 # force mktempcopy (issue1922) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
568 except (OSError, IOError) as e: |
17937
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vfs: optimize __call__ by not calling util.split for reads
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diff
changeset
|
569 if e.errno != errno.ENOENT: |
3cb032d50447
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parents:
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diff
changeset
|
570 raise |
13970
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diff
changeset
|
571 nlink = 0 |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28819
diff
changeset
|
572 util.makedirs(dirname, self.createmode, notindexed) |
17937
3cb032d50447
vfs: optimize __call__ by not calling util.split for reads
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parents:
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diff
changeset
|
573 if nlink > 0: |
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parents:
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diff
changeset
|
574 if self._trustnlink is None: |
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parents:
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changeset
|
575 self._trustnlink = nlink > 1 or util.checknlink(f) |
3cb032d50447
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parents:
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changeset
|
576 if nlink > 1 or not self._trustnlink: |
3cb032d50447
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parents:
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diff
changeset
|
577 util.rename(util.mktempcopy(f), f) |
13970
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parents:
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diff
changeset
|
578 fp = util.posixfile(f, mode) |
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parents:
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diff
changeset
|
579 if nlink == 0: |
17763
13070de77c86
vfs: backout fchmod change from 76b73ce0ffac
Matt Mackall <mpm@selenic.com>
parents:
17752
diff
changeset
|
580 self._fixfilemode(f) |
27895
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
581 |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
582 if backgroundclose: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
583 if not self._backgroundfilecloser: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
584 raise error.Abort('backgroundclose can only be used when a ' |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
585 'backgroundclosing context manager is active') |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
586 |
2d6a89e79b48
scmutil: support background file closing
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parents:
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diff
changeset
|
587 fp = delayclosedfile(fp, self._backgroundfilecloser) |
2d6a89e79b48
scmutil: support background file closing
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parents:
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diff
changeset
|
588 |
13970
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parents:
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diff
changeset
|
589 return fp |
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parents:
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diff
changeset
|
590 |
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move opener from util to scmutil
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parents:
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diff
changeset
|
591 def symlink(self, src, dst): |
18327
4aecdb91443c
scmutil: simplify vfs.audit - drop wrapped vfs.auditor
Mads Kiilerich <mads@kiilerich.com>
parents:
18316
diff
changeset
|
592 self.audit(dst) |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
16198
diff
changeset
|
593 linkname = self.join(dst) |
13970
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move opener from util to scmutil
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parents:
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diff
changeset
|
594 try: |
d13913355390
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parents:
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diff
changeset
|
595 os.unlink(linkname) |
d13913355390
move opener from util to scmutil
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parents:
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diff
changeset
|
596 except OSError: |
d13913355390
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parents:
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diff
changeset
|
597 pass |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
598 |
29017
07be86828e79
util: fix race in makedirs()
Adam Simpkins <simpkins@fb.com>
parents:
28819
diff
changeset
|
599 util.makedirs(os.path.dirname(linkname), self.createmode) |
13970
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move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
600 |
14261
e3649bcca3f6
opener: rename _can_symlink to _cansymlink
Adrian Buehlmann <adrian@cadifra.com>
parents:
14236
diff
changeset
|
601 if self._cansymlink: |
13970
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parents:
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diff
changeset
|
602 try: |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
603 os.symlink(src, linkname) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
604 except OSError as err: |
13970
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parents:
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diff
changeset
|
605 raise OSError(err.errno, _('could not symlink to %r: %s') % |
d13913355390
move opener from util to scmutil
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parents:
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diff
changeset
|
606 (src, err.strerror), linkname) |
d13913355390
move opener from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
607 else: |
17768
9837cafc25b1
vfs: use self.write to write symlink placeholders
Matt Mackall <mpm@selenic.com>
parents:
17763
diff
changeset
|
608 self.write(dst, src) |
13971
bfeaa88b875d
move canonpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13970
diff
changeset
|
609 |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
610 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
|
611 if path: |
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
|
612 return os.path.join(self.base, path, *insidef) |
17681
a41fd730f230
scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
17675
diff
changeset
|
613 else: |
a41fd730f230
scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
17675
diff
changeset
|
614 return self.base |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
16198
diff
changeset
|
615 |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
616 opener = vfs |
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
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parents:
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diff
changeset
|
617 |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
618 class auditvfs(object): |
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
619 def __init__(self, vfs): |
408ded42c5ec
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parents:
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diff
changeset
|
620 self.vfs = vfs |
408ded42c5ec
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parents:
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diff
changeset
|
621 |
27879
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27851
diff
changeset
|
622 @property |
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27851
diff
changeset
|
623 def mustaudit(self): |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
624 return self.vfs.mustaudit |
408ded42c5ec
scmutil: abstract out mustaudit delegation
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parents:
17821
diff
changeset
|
625 |
27879
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27851
diff
changeset
|
626 @mustaudit.setter |
52a4ad62b006
cleanup: use modern @property/@foo.setter property specification
Augie Fackler <augie@google.com>
parents:
27851
diff
changeset
|
627 def mustaudit(self, onoff): |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
628 self.vfs.mustaudit = onoff |
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17821
diff
changeset
|
629 |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
630 class filtervfs(abstractvfs, auditvfs): |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
631 '''Wrapper vfs for filtering filenames with a function.''' |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
632 |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
633 def __init__(self, vfs, filter): |
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
634 auditvfs.__init__(self, vfs) |
14090
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add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
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diff
changeset
|
635 self._filter = filter |
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
636 |
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
637 def __call__(self, path, *args, **kwargs): |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
638 return self.vfs(self._filter(path), *args, **kwargs) |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
14089
diff
changeset
|
639 |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
640 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
|
641 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
|
642 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
|
643 else: |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
644 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
|
645 |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
646 filteropener = filtervfs |
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
647 |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
648 class readonlyvfs(abstractvfs, auditvfs): |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
649 '''Wrapper vfs preventing any writing.''' |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
650 |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
651 def __init__(self, vfs): |
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
652 auditvfs.__init__(self, vfs) |
c38a62af000e
vfs: add a read only vfs
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parents:
18206
diff
changeset
|
653 |
c38a62af000e
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
654 def __call__(self, path, mode='r', *args, **kw): |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
655 if mode not in ('r', 'rb'): |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26491
diff
changeset
|
656 raise error.Abort('this vfs is read only') |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
657 return self.vfs(path, mode, *args, **kw) |
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
658 |
26156
a112fffdb632
scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents:
26098
diff
changeset
|
659 def join(self, path, *insidef): |
a112fffdb632
scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents:
26098
diff
changeset
|
660 return self.vfs.join(path, *insidef) |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
661 |
13975
938fbeacac84
move walkrepos from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13974
diff
changeset
|
662 def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): |
17104
5a9acb0b2086
help: improve hgweb help
Mads Kiilerich <mads@kiilerich.com>
parents:
17037
diff
changeset
|
663 '''yield every hg repository under path, always recursively. |
5a9acb0b2086
help: improve hgweb help
Mads Kiilerich <mads@kiilerich.com>
parents:
17037
diff
changeset
|
664 The recurse flag will only control recursion into repo working dirs''' |
13975
938fbeacac84
move walkrepos from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13974
diff
changeset
|
665 def errhandler(err): |
938fbeacac84
move walkrepos from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13974
diff
changeset
|
666 if err.filename == path: |
938fbeacac84
move walkrepos from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13974
diff
changeset
|
667 raise err |
14961
5523529bd1af
walkrepos: use getattr instead of hasattr for samestat
Augie Fackler <durin42@gmail.com>
parents:
14928
diff
changeset
|
668 samestat = getattr(os.path, 'samestat', None) |
5523529bd1af
walkrepos: use getattr instead of hasattr for samestat
Augie Fackler <durin42@gmail.com>
parents:
14928
diff
changeset
|
669 if followsym and samestat is not None: |
14227
94985b5a8278
scmutil: rename local function _add_dir_if_not_there
Adrian Buehlmann <adrian@cadifra.com>
parents:
14226
diff
changeset
|
670 def adddir(dirlst, dirname): |
13975
938fbeacac84
move walkrepos from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13974
diff
changeset
|
671 match = False |
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diff
changeset
|
672 dirstat = os.stat(dirname) |
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|
673 for lstdirstat in dirlst: |
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|
674 if samestat(dirstat, lstdirstat): |
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|
675 match = True |
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changeset
|
676 break |
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changeset
|
677 if not match: |
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changeset
|
678 dirlst.append(dirstat) |
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changeset
|
679 return not match |
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diff
changeset
|
680 else: |
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changeset
|
681 followsym = False |
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|
682 |
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changeset
|
683 if (seen_dirs is None) and followsym: |
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diff
changeset
|
684 seen_dirs = [] |
14227
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scmutil: rename local function _add_dir_if_not_there
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parents:
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diff
changeset
|
685 adddir(seen_dirs, path) |
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|
686 for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): |
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diff
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|
687 dirs.sort() |
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changeset
|
688 if '.hg' in dirs: |
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|
689 yield root # found a repository |
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parents:
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diff
changeset
|
690 qroot = os.path.join(root, '.hg', 'patches') |
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parents:
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diff
changeset
|
691 if os.path.isdir(os.path.join(qroot, '.hg')): |
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parents:
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diff
changeset
|
692 yield qroot # we have a patch queue repo here |
938fbeacac84
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diff
changeset
|
693 if recurse: |
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diff
changeset
|
694 # avoid recursing inside the .hg directory |
938fbeacac84
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|
695 dirs.remove('.hg') |
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Adrian Buehlmann <adrian@cadifra.com>
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diff
changeset
|
696 else: |
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parents:
13974
diff
changeset
|
697 dirs[:] = [] # don't descend further |
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diff
changeset
|
698 elif followsym: |
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parents:
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diff
changeset
|
699 newdirs = [] |
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parents:
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|
700 for d in dirs: |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
701 fname = os.path.join(root, d) |
14227
94985b5a8278
scmutil: rename local function _add_dir_if_not_there
Adrian Buehlmann <adrian@cadifra.com>
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diff
changeset
|
702 if adddir(seen_dirs, fname): |
13975
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parents:
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diff
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|
703 if os.path.islink(fname): |
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diff
changeset
|
704 for hgname in walkrepos(fname, True, seen_dirs): |
938fbeacac84
move walkrepos from util to scmutil
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diff
changeset
|
705 yield hgname |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
706 else: |
938fbeacac84
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parents:
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diff
changeset
|
707 newdirs.append(d) |
938fbeacac84
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
708 dirs[:] = newdirs |
13984
af60153b5e3b
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
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|
709 |
14224
f4189866c76c
rename scmutil.os_rcpath to osrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
710 def osrcpath(): |
13985
26335a817dd0
move os_rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
711 '''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:
22915
diff
changeset
|
712 path = [] |
c4ce077588d0
config: introduce "built-in" default configuration settings in default.d
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
713 defaultpath = os.path.join(util.datapath, 'default.d') |
c4ce077588d0
config: introduce "built-in" default configuration settings in default.d
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
714 if os.path.isdir(defaultpath): |
c4ce077588d0
config: introduce "built-in" default configuration settings in default.d
Mads Kiilerich <madski@unity3d.com>
parents:
22915
diff
changeset
|
715 for f, kind in osutil.listdir(defaultpath): |
c4ce077588d0
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
716 if f.endswith('.rc'): |
c4ce077588d0
config: introduce "built-in" default configuration settings in default.d
Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
717 path.append(os.path.join(defaultpath, f)) |
c4ce077588d0
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Mads Kiilerich <madski@unity3d.com>
parents:
22915
diff
changeset
|
718 path.extend(systemrcpath()) |
14226
73cca883370d
rename scmutil.user_rcpath to userrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14225
diff
changeset
|
719 path.extend(userrcpath()) |
13985
26335a817dd0
move os_rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
720 path = [os.path.normpath(f) for f in path] |
26335a817dd0
move os_rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13984
diff
changeset
|
721 return path |
26335a817dd0
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Adrian Buehlmann <adrian@cadifra.com>
parents:
13984
diff
changeset
|
722 |
13984
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
723 _rcpath = None |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
724 |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
725 def rcpath(): |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
726 '''return hgrc search path. if env var HGRCPATH is set, use it. |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
727 for each item in path, if directory, use files ending in .rc, |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
728 else use item. |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
729 make HGRCPATH empty to only look in .hg/hgrc of current repo. |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
730 if no HGRCPATH, use default os-specific path.''' |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
731 global _rcpath |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
732 if _rcpath is None: |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
733 if 'HGRCPATH' in os.environ: |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
734 _rcpath = [] |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
735 for p in os.environ['HGRCPATH'].split(os.pathsep): |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
736 if not p: |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
737 continue |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
738 p = util.expandpath(p) |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
739 if os.path.isdir(p): |
af60153b5e3b
move rcpath from util to scmutil
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parents:
13975
diff
changeset
|
740 for f, kind in osutil.listdir(p): |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
741 if f.endswith('.rc'): |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
742 _rcpath.append(os.path.join(p, f)) |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
743 else: |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
744 _rcpath.append(p) |
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
745 else: |
14224
f4189866c76c
rename scmutil.os_rcpath to osrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14220
diff
changeset
|
746 _rcpath = osrcpath() |
13984
af60153b5e3b
move rcpath from util to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13975
diff
changeset
|
747 return _rcpath |
13986
9c374cf76b7d
move system_rcpath and user_rcpath to scmutil
Adrian Buehlmann <adrian@cadifra.com>
parents:
13985
diff
changeset
|
748 |
25739
3dabc9b7494a
changeset_printer: use node.wdirrev to calculate meaningful parentrevs
Yuya Nishihara <yuya@tcha.org>
parents:
25660
diff
changeset
|
749 def intrev(rev): |
24582
56fff44cce98
scmutil: add function to help handling workingctx in arithmetic operation
Yuya Nishihara <yuya@tcha.org>
parents:
24447
diff
changeset
|
750 """Return integer for a given revision that can be used in comparison or |
56fff44cce98
scmutil: add function to help handling workingctx in arithmetic operation
Yuya Nishihara <yuya@tcha.org>
parents:
24447
diff
changeset
|
751 arithmetic operation""" |
56fff44cce98
scmutil: add function to help handling workingctx in arithmetic operation
Yuya Nishihara <yuya@tcha.org>
parents:
24447
diff
changeset
|
752 if rev is None: |
25739
3dabc9b7494a
changeset_printer: use node.wdirrev to calculate meaningful parentrevs
Yuya Nishihara <yuya@tcha.org>
parents:
25660
diff
changeset
|
753 return wdirrev |
24582
56fff44cce98
scmutil: add function to help handling workingctx in arithmetic operation
Yuya Nishihara <yuya@tcha.org>
parents:
24447
diff
changeset
|
754 return rev |
56fff44cce98
scmutil: add function to help handling workingctx in arithmetic operation
Yuya Nishihara <yuya@tcha.org>
parents:
24447
diff
changeset
|
755 |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
756 def revsingle(repo, revspec, default='.'): |
19509
8963a706e075
revsingle: fix silly API issue (issue2992)
Matt Mackall <mpm@selenic.com>
parents:
19154
diff
changeset
|
757 if not revspec and revspec != 0: |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
758 return repo[default] |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
759 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
760 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
changeset
|
761 if not l: |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26491
diff
changeset
|
762 raise error.Abort(_('empty revision set')) |
22815
4f81470e83bf
revsingle: use `last` instead of direct indexing
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22814
diff
changeset
|
763 return repo[l.last()] |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
764 |
26020
cc3a30ff9490
revpair: restrict odd-range handling to top-level x:y expression (issue4774)
Yuya Nishihara <yuya@tcha.org>
parents:
25928
diff
changeset
|
765 def _pairspec(revspec): |
cc3a30ff9490
revpair: restrict odd-range handling to top-level x:y expression (issue4774)
Yuya Nishihara <yuya@tcha.org>
parents:
25928
diff
changeset
|
766 tree = revset.parse(revspec) |
29119
a032ebea4e97
revset: factor out public optimize() function from recursion
Yuya Nishihara <yuya@tcha.org>
parents:
29017
diff
changeset
|
767 tree = revset.optimize(tree) # fix up "x^:y" -> "(x^):y" |
26020
cc3a30ff9490
revpair: restrict odd-range handling to top-level x:y expression (issue4774)
Yuya Nishihara <yuya@tcha.org>
parents:
25928
diff
changeset
|
768 return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') |
cc3a30ff9490
revpair: restrict odd-range handling to top-level x:y expression (issue4774)
Yuya Nishihara <yuya@tcha.org>
parents:
25928
diff
changeset
|
769 |
14319
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
770 def revpair(repo, revs): |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
771 if not revs: |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
772 return repo.dirstate.p1(), None |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
773 |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
774 l = revrange(repo, revs) |
b33f3e35efb0
scmutil: move revsingle/pair/range from cmdutil
Matt Mackall <mpm@selenic.com>
parents:
14261
diff
changeset
|
775 |
20862
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
776 if not l: |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
777 first = second = None |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
778 elif l.isascending(): |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
779 first = l.min() |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
780 second = l.max() |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
781 elif l.isdescending(): |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
782 first = l.max() |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
783 second = l.min() |
97b2f26dfc43
revpair: smartset compatibility
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
20820
diff
changeset
|
784 else: |
22816
20d998395ee7
revpair: use `first` and `last` instead of direct indexing
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22815
diff
changeset
|
785 first = l.first() |
20d998395ee7
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786 second = l.last() |
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787 |
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|
788 if first is None: |
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|
789 raise error.Abort(_('empty revision range')) |
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parents:
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diff
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|
790 if (first == second and len(revs) >= 2 |
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|
791 and not all(revrange(repo, [r]) for r in revs)): |
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diff
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|
792 raise error.Abort(_('empty revision on one side of range')) |
14319
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Matt Mackall <mpm@selenic.com>
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diff
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|
793 |
26020
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diff
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|
794 # if top-level is range expression, the result must always be a pair |
cc3a30ff9490
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diff
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|
795 if first == second and len(revs) == 1 and not _pairspec(revs[0]): |
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|
796 return repo.lookup(first), None |
14319
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scmutil: move revsingle/pair/range from cmdutil
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14261
diff
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|
797 |
20862
97b2f26dfc43
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diff
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|
798 return repo.lookup(first), repo.lookup(second) |
14319
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scmutil: move revsingle/pair/range from cmdutil
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|
799 |
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diff
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|
800 def revrange(repo, revs): |
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diff
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|
801 """Yield revision as strings from a list of revision specifications.""" |
25928
4ee4f7415095
revrange: evaluate all revset specs at once
Yuya Nishihara <yuya@tcha.org>
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diff
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|
802 allspecs = [] |
14319
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Matt Mackall <mpm@selenic.com>
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14261
diff
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|
803 for spec in revs: |
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fbaa2de13cf6
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Yuya Nishihara <yuya@tcha.org>
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|
804 if isinstance(spec, int): |
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Yuya Nishihara <yuya@tcha.org>
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|
805 spec = revset.formatspec('rev(%d)', spec) |
25928
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diff
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|
806 allspecs.append(spec) |
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diff
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|
807 m = revset.matchany(repo.ui, allspecs, repo) |
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Yuya Nishihara <yuya@tcha.org>
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diff
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|
808 return m(repo) |
14320 | 809 |
26433
3ad41638b4b4
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diff
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|
810 def meaningfulparents(repo, ctx): |
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|
811 """Return list of meaningful (or all if debug) parentrevs for rev. |
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|
812 |
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|
813 For merges (two non-nullrev revisions) both parents are meaningful. |
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814 Otherwise the first parent revision is considered meaningful if it |
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815 is not the preceding revision. |
3ad41638b4b4
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diff
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|
816 """ |
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|
817 parents = ctx.parents() |
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|
818 if len(parents) > 1: |
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diff
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|
819 return parents |
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changeset
|
820 if repo.ui.debugflag: |
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|
821 return [parents[0], repo['null']] |
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|
822 if parents[0].rev() >= intrev(ctx.rev()) - 1: |
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|
823 return [] |
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824 return parents |
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825 |
14320 | 826 def expandpats(pats): |
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827 '''Expand bare globs when running on windows. |
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diff
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|
828 On posix we assume it already has already been done by sh.''' |
14320 | 829 if not util.expandglobs: |
830 return list(pats) | |
831 ret = [] | |
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|
832 for kindpat in pats: |
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|
833 kind, pat = matchmod._patsplit(kindpat, None) |
14320 | 834 if kind is None: |
835 try: | |
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|
836 globbed = glob.glob(pat) |
14320 | 837 except re.error: |
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|
838 globbed = [pat] |
14320 | 839 if globbed: |
840 ret.extend(globbed) | |
841 continue | |
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|
842 ret.append(kindpat) |
14320 | 843 return ret |
844 | |
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58218b0e6005
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|
845 def matchandpats(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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|
846 badfn=None): |
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|
847 '''Return a matcher and the patterns that were used. |
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|
848 The matcher will warn about bad matches, unless an alternate badfn callback |
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|
849 is provided.''' |
14320 | 850 if pats == ("",): |
851 pats = [] | |
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parents:
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|
852 if opts is None: |
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|
853 opts = {} |
14320 | 854 if not globbed and default == 'relpath': |
855 pats = expandpats(pats or []) | |
14670
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
856 |
25467
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|
857 def bad(f, msg): |
24338
ca1365078c86
scmutil: replace 'ctx._repo' with 'ctx.repo()'
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changeset
|
858 ctx.repo().ui.warn("%s: %s\n" % (m.rel(f), msg)) |
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|
859 |
25467
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|
860 if badfn is None: |
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changeset
|
861 badfn = bad |
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|
862 |
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Matt Harbison <matt_harbison@yahoo.com>
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|
863 m = ctx.match(pats, opts.get('include'), opts.get('exclude'), |
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diff
changeset
|
864 default, listsubrepos=opts.get('subrepos'), badfn=badfn) |
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Matt Harbison <matt_harbison@yahoo.com>
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|
865 |
24447
d44d53bc9a1e
matcher: make e.g. 'relpath:.' lead to fast paths
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
866 if m.always(): |
d44d53bc9a1e
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diff
changeset
|
867 pats = [] |
16171
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diff
changeset
|
868 return m, pats |
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|
869 |
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26327
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|
870 def match(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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|
871 badfn=None): |
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|
872 '''Return a matcher that will warn about bad matches.''' |
25467
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|
873 return matchandpats(ctx, pats, opts, globbed, default, badfn=badfn)[0] |
14320 | 874 |
875 def matchall(repo): | |
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|
876 '''Return a matcher that will efficiently match everything.''' |
14320 | 877 return matchmod.always(repo.root, repo.getcwd()) |
878 | |
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|
879 def matchfiles(repo, files, badfn=None): |
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|
880 '''Return a matcher that will efficiently match exactly these files.''' |
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|
881 return matchmod.exact(repo.root, repo.getcwd(), files, badfn=badfn) |
14320 | 882 |
27651
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|
883 def origpath(ui, repo, filepath): |
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|
884 '''customize where .orig files are created |
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885 |
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|
886 Fetch user defined path from config file: [ui] origbackuppath = <path> |
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|
887 Fall back to default (filepath) if not specified |
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|
888 ''' |
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|
889 origbackuppath = ui.config('ui', 'origbackuppath', None) |
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|
890 if origbackuppath is None: |
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|
891 return filepath + ".orig" |
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|
892 |
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|
893 filepathfromroot = os.path.relpath(filepath, start=repo.root) |
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|
894 fullorigpath = repo.wjoin(origbackuppath, filepathfromroot) |
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895 |
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|
896 origbackupdir = repo.vfs.dirname(fullorigpath) |
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|
897 if not repo.vfs.exists(origbackupdir): |
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|
898 ui.note(_('creating directory: %s\n') % origbackupdir) |
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|
899 util.makedirs(origbackupdir) |
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|
900 |
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|
901 return fullorigpath + ".orig" |
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|
902 |
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|
903 def addremove(repo, matcher, prefix, opts=None, dry_run=None, similarity=None): |
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|
904 if opts is None: |
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|
905 opts = {} |
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|
906 m = matcher |
14320 | 907 if dry_run is None: |
908 dry_run = opts.get('dry_run') | |
909 if similarity is None: | |
910 similarity = float(opts.get('similarity') or 0) | |
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|
911 |
23537
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|
912 ret = 0 |
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|
913 join = lambda f: os.path.join(prefix, f) |
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changeset
|
914 |
23539
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|
915 def matchessubrepo(matcher, subpath): |
cb42050f2dad
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|
916 if matcher.exact(subpath): |
cb42050f2dad
addremove: support addremove with explicit paths in subrepos
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diff
changeset
|
917 return True |
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addremove: support addremove with explicit paths in subrepos
Matt Harbison <matt_harbison@yahoo.com>
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diff
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|
918 for f in matcher.files(): |
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addremove: support addremove with explicit paths in subrepos
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|
919 if f.startswith(subpath): |
cb42050f2dad
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diff
changeset
|
920 return True |
cb42050f2dad
addremove: support addremove with explicit paths in subrepos
Matt Harbison <matt_harbison@yahoo.com>
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diff
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|
921 return False |
cb42050f2dad
addremove: support addremove with explicit paths in subrepos
Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
922 |
23537
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commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
parents:
23534
diff
changeset
|
923 wctx = repo[None] |
f1b06a8aad42
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|
924 for subpath in sorted(wctx.substate): |
23539
cb42050f2dad
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
925 if opts.get('subrepos') or matchessubrepo(m, subpath): |
23537
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
parents:
23534
diff
changeset
|
926 sub = wctx.sub(subpath) |
f1b06a8aad42
commit: propagate --addremove to subrepos if -S is specified (issue3759)
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parents:
23534
diff
changeset
|
927 try: |
28017
d3f1b7ee5e70
match: rename "narrowmatcher" to "subdirmatcher" (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
27895
diff
changeset
|
928 submatch = matchmod.subdirmatcher(subpath, m) |
23537
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commit: propagate --addremove to subrepos if -S is specified (issue3759)
Matt Harbison <matt_harbison@yahoo.com>
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changeset
|
929 if sub.addremove(submatch, prefix, opts, dry_run, similarity): |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
930 ret = 1 |
f1b06a8aad42
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changeset
|
931 except error.LookupError: |
f1b06a8aad42
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parents:
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diff
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|
932 repo.ui.status(_("skipping missing subrepository: %s\n") |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
933 % join(subpath)) |
f1b06a8aad42
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
934 |
16167
94a8396c9305
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Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
935 rejected = [] |
23534
83bbedc16b3f
addremove: warn when addremove fails to operate on a named path
Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
936 def badfn(f, msg): |
83bbedc16b3f
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diff
changeset
|
937 if f in m.files(): |
25434
5984dd42e140
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
938 m.bad(f, msg) |
23534
83bbedc16b3f
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Matt Harbison <matt_harbison@yahoo.com>
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diff
changeset
|
939 rejected.append(f) |
16167
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Matt Mackall <mpm@selenic.com>
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diff
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|
940 |
25434
5984dd42e140
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Matt Harbison <matt_harbison@yahoo.com>
parents:
25418
diff
changeset
|
941 badmatch = matchmod.badmatch(m, badfn) |
5984dd42e140
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diff
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|
942 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, |
5984dd42e140
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diff
changeset
|
943 badmatch) |
18863
1b70e5941ad7
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diff
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|
944 |
23259
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Martin von Zweigbergk <martinvonz@google.com>
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diff
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|
945 unknownset = set(unknown + forgotten) |
18863
1b70e5941ad7
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changeset
|
946 toprint = unknownset.copy() |
1b70e5941ad7
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|
947 toprint.update(deleted) |
1b70e5941ad7
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|
948 for abs in sorted(toprint): |
1b70e5941ad7
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diff
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|
949 if repo.ui.verbose or not m.exact(abs): |
1b70e5941ad7
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diff
changeset
|
950 if abs in unknownset: |
23686
164915e8ef7b
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parents:
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diff
changeset
|
951 status = _('adding %s\n') % m.uipath(abs) |
18863
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|
952 else: |
23686
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diff
changeset
|
953 status = _('removing %s\n') % m.uipath(abs) |
18863
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diff
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|
954 repo.ui.status(status) |
1b70e5941ad7
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|
955 |
19152
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diff
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|
956 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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|
957 similarity) |
14320 | 958 |
959 if not dry_run: | |
23259
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diff
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|
960 _markchanges(repo, unknown + forgotten, deleted, renames) |
14320 | 961 |
16167
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|
962 for f in rejected: |
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|
963 if f in m.files(): |
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diff
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|
964 return 1 |
23537
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diff
changeset
|
965 return ret |
16167
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diff
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|
966 |
19154
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|
967 def marktouched(repo, files, similarity=0.0): |
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|
968 '''Assert that files have somehow been operated upon. files are relative to |
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|
969 the repo root.''' |
25467
f64dbe06f3d0
scmutil: add an optional parameter to matcher factories for a bad() override
Matt Harbison <matt_harbison@yahoo.com>
parents:
25466
diff
changeset
|
970 m = matchfiles(repo, files, badfn=lambda x, y: rejected.append(x)) |
19154
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|
971 rejected = [] |
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diff
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|
972 |
23259
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diff
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|
973 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, m) |
19154
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974 |
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|
975 if repo.ui.verbose: |
23259
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|
976 unknownset = set(unknown + forgotten) |
19154
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|
977 toprint = unknownset.copy() |
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|
978 toprint.update(deleted) |
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|
979 for abs in sorted(toprint): |
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|
980 if abs in unknownset: |
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diff
changeset
|
981 status = _('adding %s\n') % abs |
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|
982 else: |
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|
983 status = _('removing %s\n') % abs |
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|
984 repo.ui.status(status) |
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|
985 |
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diff
changeset
|
986 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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|
987 similarity) |
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diff
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|
988 |
23259
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|
989 _markchanges(repo, unknown + forgotten, deleted, renames) |
19154
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|
990 |
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|
991 for f in rejected: |
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|
992 if f in m.files(): |
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diff
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|
993 return 1 |
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diff
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|
994 return 0 |
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diff
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|
995 |
19150
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|
996 def _interestingfiles(repo, matcher): |
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diff
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|
997 '''Walk dirstate with matcher, looking for files that addremove would care |
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diff
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|
998 about. |
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|
999 |
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|
1000 This is different from dirstate.status because it doesn't care about |
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|
1001 whether files are modified or clean.''' |
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diff
changeset
|
1002 added, unknown, deleted, removed, forgotten = [], [], [], [], [] |
20033
f962870712da
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Augie Fackler <raf@durin42.com>
parents:
20006
diff
changeset
|
1003 audit_path = pathutil.pathauditor(repo.root) |
19150
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|
1004 |
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|
1005 ctx = repo[None] |
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|
1006 dirstate = repo.dirstate |
19655
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changeset
|
1007 walkresults = dirstate.walk(matcher, sorted(ctx.substate), True, False, |
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|
1008 full=False) |
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|
1009 for abs, st in walkresults.iteritems(): |
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1010 dstate = dirstate[abs] |
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1011 if dstate == '?' and audit_path.check(abs): |
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|
1012 unknown.append(abs) |
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|
1013 elif dstate != 'r' and not st: |
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|
1014 deleted.append(abs) |
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|
1015 elif dstate == 'r' and st: |
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|
1016 forgotten.append(abs) |
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|
1017 # for finding renames |
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|
1018 elif dstate == 'r' and not st: |
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|
1019 removed.append(abs) |
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|
1020 elif dstate == 'a': |
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|
1021 added.append(abs) |
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|
1022 |
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|
1023 return added, unknown, deleted, removed, forgotten |
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|
1024 |
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1025 def _findrenames(repo, matcher, added, removed, similarity): |
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1026 '''Find renames from removed files to added ones.''' |
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1027 renames = {} |
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1028 if similarity > 0: |
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1029 for old, new, score in similar.findrenames(repo, added, removed, |
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1030 similarity): |
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1031 if (repo.ui.verbose or not matcher.exact(old) |
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1032 or not matcher.exact(new)): |
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1033 repo.ui.status(_('recording removal of %s as rename to %s ' |
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1034 '(%d%% similar)\n') % |
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1035 (matcher.rel(old), matcher.rel(new), |
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1036 score * 100)) |
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1037 renames[new] = old |
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1038 return renames |
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1039 |
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1040 def _markchanges(repo, unknown, deleted, renames): |
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1041 '''Marks the files in unknown as added, the files in deleted as removed, |
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1042 and the files in renames as copied.''' |
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1043 wctx = repo[None] |
27851
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1044 with repo.wlock(): |
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1045 wctx.forget(deleted) |
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1046 wctx.add(unknown) |
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1047 for new, old in renames.iteritems(): |
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1048 wctx.copy(old, new) |
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1049 |
14320 | 1050 def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None): |
1051 """Update the dirstate to reflect the intent of copying src to dst. For | |
1052 different reasons it might not end with dst being marked as copied from src. | |
1053 """ | |
1054 origsrc = repo.dirstate.copied(src) or src | |
1055 if dst == origsrc: # copying back a copy? | |
1056 if repo.dirstate[dst] not in 'mn' and not dryrun: | |
1057 repo.dirstate.normallookup(dst) | |
1058 else: | |
1059 if repo.dirstate[origsrc] == 'a' and origsrc == src: | |
1060 if not ui.quiet: | |
1061 ui.warn(_("%s has not been committed yet, so no copy " | |
1062 "data will be stored for %s.\n") | |
1063 % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd))) | |
1064 if repo.dirstate[dst] in '?r' and not dryrun: | |
1065 wctx.add([dst]) | |
1066 elif not dryrun: | |
1067 wctx.copy(origsrc, dst) | |
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1068 |
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1069 def readrequires(opener, supported): |
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1070 '''Reads and parses .hg/requires and checks if all entries found |
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1071 are in the list of supported features.''' |
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1072 requirements = set(opener.read("requires").splitlines()) |
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1073 missings = [] |
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1074 for r in requirements: |
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1075 if r not in supported: |
14484
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1076 if not r or not r[0].isalnum(): |
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1077 raise error.RequirementError(_(".hg/requires file is corrupt")) |
14746
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1078 missings.append(r) |
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1079 missings.sort() |
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1080 if missings: |
16683 | 1081 raise error.RequirementError( |
20820
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1082 _("repository requires features unknown to this Mercurial: %s") |
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|
1083 % " ".join(missings), |
26421
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1084 hint=_("see https://mercurial-scm.org/wiki/MissingRequirement" |
20820
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1085 " for more information")) |
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1086 return requirements |
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1087 |
24934
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1088 def writerequires(opener, requirements): |
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1089 with opener('requires', 'w') as fp: |
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1090 for r in sorted(requirements): |
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1091 fp.write("%s\n" % r) |
24934
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1092 |
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1093 class filecachesubentry(object): |
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1094 def __init__(self, path, stat): |
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1095 self.path = path |
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1096 self.cachestat = None |
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1097 self._cacheable = None |
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1098 |
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1099 if stat: |
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1100 self.cachestat = filecachesubentry.stat(self.path) |
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1101 |
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1102 if self.cachestat: |
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1103 self._cacheable = self.cachestat.cacheable() |
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1104 else: |
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1105 # None means we don't know yet |
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1106 self._cacheable = None |
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1107 |
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1108 def refresh(self): |
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1109 if self.cacheable(): |
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1110 self.cachestat = filecachesubentry.stat(self.path) |
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1111 |
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1112 def cacheable(self): |
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1113 if self._cacheable is not None: |
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1114 return self._cacheable |
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1115 |
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1116 # we don't know yet, assume it is for now |
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1117 return True |
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1118 |
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1119 def changed(self): |
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1120 # no point in going further if we can't cache it |
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1121 if not self.cacheable(): |
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1122 return True |
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1123 |
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1124 newstat = filecachesubentry.stat(self.path) |
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1125 |
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1126 # we may not know if it's cacheable yet, check again now |
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1127 if newstat and self._cacheable is None: |
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1128 self._cacheable = newstat.cacheable() |
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1129 |
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1130 # check again |
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1131 if not self._cacheable: |
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1132 return True |
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1133 |
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1134 if self.cachestat != newstat: |
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1135 self.cachestat = newstat |
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1136 return True |
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1137 else: |
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1138 return False |
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1139 |
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1140 @staticmethod |
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1141 def stat(path): |
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1142 try: |
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1143 return util.cachestat(path) |
25660
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1144 except OSError as e: |
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1145 if e.errno != errno.ENOENT: |
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1146 raise |
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1147 |
20044
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1148 class filecacheentry(object): |
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1149 def __init__(self, paths, stat=True): |
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1150 self._entries = [] |
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1151 for path in paths: |
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1152 self._entries.append(filecachesubentry(path, stat)) |
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1153 |
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1154 def changed(self): |
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1155 '''true if any entry has changed''' |
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1156 for entry in self._entries: |
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1157 if entry.changed(): |
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1158 return True |
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1159 return False |
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1160 |
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1161 def refresh(self): |
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1162 for entry in self._entries: |
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1163 entry.refresh() |
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1164 |
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1165 class filecache(object): |
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1166 '''A property like decorator that tracks files under .hg/ for updates. |
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1167 |
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1168 Records stat info when called in _filecache. |
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1169 |
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1170 On subsequent calls, compares old stat info with new info, and recreates the |
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1171 object when any of the files changes, updating the new stat info in |
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1172 _filecache. |
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1173 |
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1174 Mercurial either atomic renames or appends for files under .hg, |
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1175 so to ensure the cache is reliable we need the filesystem to be able |
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1176 to tell us if a file has been replaced. If it can't, we fallback to |
26098 | 1177 recreating the object on every call (essentially the same behavior as |
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1178 propertycache). |
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1179 |
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1180 ''' |
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1181 def __init__(self, *paths): |
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1182 self.paths = paths |
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1183 |
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1184 def join(self, obj, fname): |
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1185 """Used to compute the runtime path of a cached file. |
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1186 |
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1187 Users should subclass filecache and provide their own version of this |
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1188 function to call the appropriate join function on 'obj' (an instance |
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1189 of the class that its member function was decorated). |
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1190 """ |
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1191 return obj.join(fname) |
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1192 |
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1193 def __call__(self, func): |
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1194 self.func = func |
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1195 self.name = func.__name__ |
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1196 return self |
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1197 |
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1198 def __get__(self, obj, type=None): |
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1199 # do we need to check if the file changed? |
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1200 if self.name in obj.__dict__: |
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1201 assert self.name in obj._filecache, self.name |
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1202 return obj.__dict__[self.name] |
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1203 |
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1204 entry = obj._filecache.get(self.name) |
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1205 |
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1206 if entry: |
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1207 if entry.changed(): |
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1208 entry.obj = self.func(obj) |
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1209 else: |
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1210 paths = [self.join(obj, path) for path in self.paths] |
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1211 |
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1212 # We stat -before- creating the object so our cache doesn't lie if |
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1213 # a writer modified between the time we read and stat |
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1214 entry = filecacheentry(paths, True) |
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1215 entry.obj = self.func(obj) |
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1216 |
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1217 obj._filecache[self.name] = entry |
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1218 |
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1219 obj.__dict__[self.name] = entry.obj |
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1220 return entry.obj |
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1221 |
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1222 def __set__(self, obj, value): |
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1223 if self.name not in obj._filecache: |
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1224 # we add an entry for the missing value because X in __dict__ |
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1225 # implies X in _filecache |
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1226 paths = [self.join(obj, path) for path in self.paths] |
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1227 ce = filecacheentry(paths, False) |
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1228 obj._filecache[self.name] = ce |
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1229 else: |
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1230 ce = obj._filecache[self.name] |
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1231 |
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1232 ce.obj = value # update cached copy |
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1233 obj.__dict__[self.name] = value # update copy returned by obj.x |
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1234 |
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1235 def __delete__(self, obj): |
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1236 try: |
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1237 del obj.__dict__[self.name] |
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1238 except KeyError: |
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1239 raise AttributeError(self.name) |
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1240 |
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1241 def _locksub(repo, lock, envvar, cmd, environ=None, *args, **kwargs): |
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1242 if lock is None: |
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1243 raise error.LockInheritanceContractViolation( |
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1244 'lock can only be inherited while held') |
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1245 if environ is None: |
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1246 environ = {} |
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1247 with lock.inherit() as locker: |
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1248 environ[envvar] = locker |
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1249 return repo.ui.system(cmd, environ=environ, *args, **kwargs) |
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1250 |
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1251 def wlocksub(repo, cmd, *args, **kwargs): |
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1252 """run cmd as a subprocess that allows inheriting repo's wlock |
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1253 |
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1254 This can only be called while the wlock is held. This takes all the |
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1255 arguments that ui.system does, and returns the exit code of the |
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1256 subprocess.""" |
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1257 return _locksub(repo, repo.currentwlock(), 'HG_WLOCK_LOCKER', cmd, *args, |
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1258 **kwargs) |
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1259 |
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1260 def gdinitconfig(ui): |
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1261 """helper function to know if a repo should be created as general delta |
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1262 """ |
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1263 # experimental config: format.generaldelta |
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1264 return (ui.configbool('format', 'generaldelta', False) |
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1265 or ui.configbool('format', 'usegeneraldelta', True)) |
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1266 |
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1267 def gddeltaconfig(ui): |
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1268 """helper function to know if incoming delta should be optimised |
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1269 """ |
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1270 # experimental config: format.generaldelta |
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1271 return ui.configbool('format', 'generaldelta', False) |
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1272 |
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1273 class delayclosedfile(object): |
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1274 """Proxy for a file object whose close is delayed. |
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1275 |
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1276 Do not instantiate outside of the vfs layer. |
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1277 """ |
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1278 |
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1279 def __init__(self, fh, closer): |
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1280 object.__setattr__(self, '_origfh', fh) |
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1281 object.__setattr__(self, '_closer', closer) |
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1282 |
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1283 def __getattr__(self, attr): |
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1284 return getattr(self._origfh, attr) |
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1285 |
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1286 def __setattr__(self, attr, value): |
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1287 return setattr(self._origfh, attr, value) |
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1288 |
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1289 def __delattr__(self, attr): |
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1290 return delattr(self._origfh, attr) |
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1291 |
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1292 def __enter__(self): |
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1293 return self._origfh.__enter__() |
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1294 |
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1295 def __exit__(self, exc_type, exc_value, exc_tb): |
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1296 self._closer.close(self._origfh) |
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1297 |
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1298 def close(self): |
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1299 self._closer.close(self._origfh) |
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1300 |
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1301 class backgroundfilecloser(object): |
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1302 """Coordinates background closing of file handles on multiple threads.""" |
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1303 def __init__(self, ui, expectedcount=-1): |
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1304 self._running = False |
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1305 self._entered = False |
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1306 self._threads = [] |
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1307 self._threadexception = None |
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1308 |
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1309 # Only Windows/NTFS has slow file closing. So only enable by default |
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1310 # on that platform. But allow to be enabled elsewhere for testing. |
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1311 defaultenabled = os.name == 'nt' |
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1312 enabled = ui.configbool('worker', 'backgroundclose', defaultenabled) |
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1313 |
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1314 if not enabled: |
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1315 return |
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1316 |
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1317 # There is overhead to starting and stopping the background threads. |
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1318 # Don't do background processing unless the file count is large enough |
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1319 # to justify it. |
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1320 minfilecount = ui.configint('worker', 'backgroundcloseminfilecount', |
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1321 2048) |
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1322 # FUTURE dynamically start background threads after minfilecount closes. |
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1323 # (We don't currently have any callers that don't know their file count) |
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1324 if expectedcount > 0 and expectedcount < minfilecount: |
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1325 return |
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1326 |
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1327 # Windows defaults to a limit of 512 open files. A buffer of 128 |
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1328 # should give us enough headway. |
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1329 maxqueue = ui.configint('worker', 'backgroundclosemaxqueue', 384) |
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1330 threadcount = ui.configint('worker', 'backgroundclosethreadcount', 4) |
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1331 |
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1332 ui.debug('starting %d threads for background file closing\n' % |
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1333 threadcount) |
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1334 |
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1335 self._queue = util.queue(maxsize=maxqueue) |
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1336 self._running = True |
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1337 |
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1338 for i in range(threadcount): |
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1339 t = threading.Thread(target=self._worker, name='backgroundcloser') |
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1340 self._threads.append(t) |
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1341 t.start() |
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1342 |
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1343 def __enter__(self): |
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1344 self._entered = True |
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1345 return self |
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1346 |
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1347 def __exit__(self, exc_type, exc_value, exc_tb): |
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1348 self._running = False |
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1349 |
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1350 # Wait for threads to finish closing so open files don't linger for |
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1351 # longer than lifetime of context manager. |
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1352 for t in self._threads: |
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1353 t.join() |
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1354 |
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1355 def _worker(self): |
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1356 """Main routine for worker thread.""" |
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1357 while True: |
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1358 try: |
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1359 fh = self._queue.get(block=True, timeout=0.100) |
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1360 # Need to catch or the thread will terminate and |
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1361 # we could orphan file descriptors. |
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1362 try: |
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1363 fh.close() |
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1364 except Exception as e: |
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1365 # Stash so can re-raise from main thread later. |
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1366 self._threadexception = e |
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1367 except util.empty: |
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1368 if not self._running: |
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1369 break |
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1370 |
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1371 def close(self, fh): |
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1372 """Schedule a file for closing.""" |
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1373 if not self._entered: |
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1374 raise error.Abort('can only call close() when context manager ' |
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1375 'active') |
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1376 |
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1377 # If a background thread encountered an exception, raise now so we fail |
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1378 # fast. Otherwise we may potentially go on for minutes until the error |
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1379 # is acted on. |
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1380 if self._threadexception: |
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1381 e = self._threadexception |
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1382 self._threadexception = None |
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1383 raise e |
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1384 |
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1385 # If we're not actively running, close synchronously. |
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1386 if not self._running: |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
1387 fh.close() |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
1388 return |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
1389 |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
1390 self._queue.put(fh, block=True, timeout=None) |
2d6a89e79b48
scmutil: support background file closing
Gregory Szorc <gregory.szorc@gmail.com>
parents:
27879
diff
changeset
|
1391 |