Mercurial > hg
annotate mercurial/scmutil.py @ 27586:42910f9fffeb
revset: use delayregistrar to register predicate in extension easily
Previous patch introduced 'revset.predicate' decorator to register
revset predicate function easily.
But it shouldn't be used in extension directly, because it registers
specified function immediately. Registration itself can't be restored,
even if extension loading fails after that.
Therefore, registration should be delayed until 'uisetup()' or so.
This patch uses 'extpredicate' decorator derived from 'delayregistrar'
to register predicate in extension easily.
This patch also tests whether 'registrar.delayregistrar' avoids
function registration if 'setup()' isn't invoked on it, because
'extpredicate' is the first user of it.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Tue, 29 Dec 2015 23:58:30 +0900 |
parents | dde3da2246f1 |
children | b8405d739149 |
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 errno |
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11 import glob |
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12 import os |
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13 import re |
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14 import shutil |
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15 import stat |
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16 import tempfile |
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17 |
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18 from .i18n import _ |
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19 from .node import wdirrev |
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20 from . import ( |
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21 encoding, |
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22 error, |
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23 match as matchmod, |
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24 osutil, |
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25 pathutil, |
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26 phases, |
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27 revset, |
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28 similar, |
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29 util, |
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30 ) |
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31 |
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32 if os.name == 'nt': |
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33 from . import scmwindows as scmplatform |
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34 else: |
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35 from . import scmposix as scmplatform |
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36 |
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37 systemrcpath = scmplatform.systemrcpath |
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38 userrcpath = scmplatform.userrcpath |
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39 |
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40 class status(tuple): |
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41 '''Named tuple with a list of files per status. The 'deleted', 'unknown' |
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42 and 'ignored' properties are only relevant to the working copy. |
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43 ''' |
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44 |
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45 __slots__ = () |
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46 |
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47 def __new__(cls, modified, added, removed, deleted, unknown, ignored, |
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48 clean): |
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49 return tuple.__new__(cls, (modified, added, removed, deleted, unknown, |
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50 ignored, clean)) |
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51 |
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52 @property |
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53 def modified(self): |
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54 '''files that have been modified''' |
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55 return self[0] |
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56 |
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57 @property |
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58 def added(self): |
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59 '''files that have been added''' |
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60 return self[1] |
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61 |
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62 @property |
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63 def removed(self): |
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64 '''files that have been removed''' |
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65 return self[2] |
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66 |
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67 @property |
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68 def deleted(self): |
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69 '''files that are in the dirstate, but have been deleted from the |
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70 working copy (aka "missing") |
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71 ''' |
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72 return self[3] |
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73 |
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74 @property |
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75 def unknown(self): |
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76 '''files not in the dirstate that are not ignored''' |
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77 return self[4] |
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78 |
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79 @property |
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80 def ignored(self): |
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81 '''files not in the dirstate that are ignored (by _dirignore())''' |
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82 return self[5] |
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83 |
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84 @property |
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85 def clean(self): |
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86 '''files that have not been modified''' |
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87 return self[6] |
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88 |
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89 def __repr__(self, *args, **kwargs): |
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90 return (('<status modified=%r, added=%r, removed=%r, deleted=%r, ' |
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91 'unknown=%r, ignored=%r, clean=%r>') % self) |
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92 |
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93 def itersubrepos(ctx1, ctx2): |
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94 """find subrepos in ctx1 or ctx2""" |
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95 # Create a (subpath, ctx) mapping where we prefer subpaths from |
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96 # ctx1. The subpaths from ctx2 are important when the .hgsub file |
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97 # has been modified (in ctx2) but not yet committed (in ctx1). |
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98 subpaths = dict.fromkeys(ctx2.substate, ctx2) |
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99 subpaths.update(dict.fromkeys(ctx1.substate, ctx1)) |
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100 |
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101 missing = set() |
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102 |
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103 for subpath in ctx2.substate: |
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104 if subpath not in ctx1.substate: |
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105 del subpaths[subpath] |
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106 missing.add(subpath) |
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107 |
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108 for subpath, ctx in sorted(subpaths.iteritems()): |
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109 yield subpath, ctx.sub(subpath) |
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110 |
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111 # Yield an empty subrepo based on ctx1 for anything only in ctx2. That way, |
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112 # status and diff will have an accurate result when it does |
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113 # 'sub.{status|diff}(rev2)'. Otherwise, the ctx2 subrepo is compared |
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114 # against itself. |
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115 for subpath in missing: |
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116 yield subpath, ctx2.nullsub(subpath, ctx1) |
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117 |
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118 def nochangesfound(ui, repo, excluded=None): |
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119 '''Report no changes for push/pull, excluded is None or a list of |
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120 nodes excluded from the push/pull. |
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121 ''' |
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122 secretlist = [] |
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123 if excluded: |
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124 for n in excluded: |
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125 if n not in repo: |
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126 # discovery should not have included the filtered revision, |
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127 # we have to explicitly exclude it until discovery is cleanup. |
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128 continue |
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129 ctx = repo[n] |
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130 if ctx.phase() >= phases.secret and not ctx.extinct(): |
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131 secretlist.append(n) |
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132 |
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133 if secretlist: |
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134 ui.status(_("no changes found (ignored %d secret changesets)\n") |
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135 % len(secretlist)) |
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136 else: |
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137 ui.status(_("no changes found\n")) |
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138 |
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139 def checknewlabel(repo, lbl, kind): |
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140 # Do not use the "kind" parameter in ui output. |
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141 # It makes strings difficult to translate. |
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142 if lbl in ['tip', '.', 'null']: |
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143 raise error.Abort(_("the name '%s' is reserved") % lbl) |
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144 for c in (':', '\0', '\n', '\r'): |
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145 if c in lbl: |
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146 raise error.Abort(_("%r cannot be used in a name") % c) |
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147 try: |
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148 int(lbl) |
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149 raise error.Abort(_("cannot use an integer as a name")) |
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150 except ValueError: |
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151 pass |
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152 |
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153 def checkfilename(f): |
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154 '''Check that the filename f is an acceptable filename for a tracked file''' |
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155 if '\r' in f or '\n' in f: |
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156 raise error.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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157 |
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158 def checkportable(ui, f): |
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159 '''Check if filename f is portable and warn or abort depending on config''' |
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160 checkfilename(f) |
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161 abort, warn = checkportabilityalert(ui) |
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162 if abort or warn: |
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163 msg = util.checkwinfilename(f) |
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164 if msg: |
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165 msg = "%s: %r" % (msg, f) |
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166 if abort: |
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167 raise error.Abort(msg) |
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168 ui.warn(_("warning: %s\n") % msg) |
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169 |
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170 def checkportabilityalert(ui): |
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171 '''check if the user's config requests nothing, a warning, or abort for |
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172 non-portable filenames''' |
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173 val = ui.config('ui', 'portablefilenames', 'warn') |
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174 lval = val.lower() |
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175 bval = util.parsebool(val) |
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176 abort = os.name == 'nt' or lval == 'abort' |
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177 warn = bval or lval == 'warn' |
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178 if bval is None and not (warn or abort or lval == 'ignore'): |
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179 raise error.ConfigError( |
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180 _("ui.portablefilenames value is invalid ('%s')") % val) |
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181 return abort, warn |
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182 |
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183 class casecollisionauditor(object): |
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184 def __init__(self, ui, abort, dirstate): |
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185 self._ui = ui |
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186 self._abort = abort |
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187 allfiles = '\0'.join(dirstate._map) |
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188 self._loweredfiles = set(encoding.lower(allfiles).split('\0')) |
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189 self._dirstate = dirstate |
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190 # The purpose of _newfiles is so that we don't complain about |
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191 # case collisions if someone were to call this object with the |
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192 # same filename twice. |
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193 self._newfiles = set() |
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194 |
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195 def __call__(self, f): |
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196 if f in self._newfiles: |
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197 return |
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198 fl = encoding.lower(f) |
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199 if fl in self._loweredfiles and f not in self._dirstate: |
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200 msg = _('possible case-folding collision for %s') % f |
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201 if self._abort: |
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202 raise error.Abort(msg) |
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203 self._ui.warn(_("warning: %s\n") % msg) |
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204 self._loweredfiles.add(fl) |
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205 self._newfiles.add(f) |
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206 |
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207 def filteredhash(repo, maxrev): |
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208 """build hash of filtered revisions in the current repoview. |
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209 |
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210 Multiple caches perform up-to-date validation by checking that the |
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211 tiprev and tipnode stored in the cache file match the current repository. |
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212 However, this is not sufficient for validating repoviews because the set |
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213 of revisions in the view may change without the repository tiprev and |
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214 tipnode changing. |
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215 |
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216 This function hashes all the revs filtered from the view and returns |
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217 that SHA-1 digest. |
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218 """ |
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219 cl = repo.changelog |
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220 if not cl.filteredrevs: |
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221 return None |
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222 key = None |
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223 revs = sorted(r for r in cl.filteredrevs if r <= maxrev) |
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224 if revs: |
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225 s = util.sha1() |
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226 for rev in revs: |
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227 s.update('%s;' % rev) |
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228 key = s.digest() |
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229 return key |
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230 |
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231 class abstractvfs(object): |
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232 """Abstract base class; cannot be instantiated""" |
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233 |
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234 def __init__(self, *args, **kwargs): |
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235 '''Prevent instantiation; don't call this from subclasses.''' |
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236 raise NotImplementedError('attempted instantiating ' + str(type(self))) |
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237 |
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238 def tryread(self, path): |
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239 '''gracefully return an empty string for missing files''' |
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240 try: |
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241 return self.read(path) |
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242 except IOError as inst: |
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243 if inst.errno != errno.ENOENT: |
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244 raise |
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245 return "" |
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246 |
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247 def tryreadlines(self, path, mode='rb'): |
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248 '''gracefully return an empty array for missing files''' |
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249 try: |
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250 return self.readlines(path, mode=mode) |
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251 except IOError as inst: |
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252 if inst.errno != errno.ENOENT: |
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253 raise |
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254 return [] |
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255 |
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256 def open(self, path, mode="r", text=False, atomictemp=False, |
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257 notindexed=False): |
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258 '''Open ``path`` file, which is relative to vfs root. |
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259 |
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260 Newly created directories are marked as "not to be indexed by |
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261 the content indexing service", if ``notindexed`` is specified |
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262 for "write" mode access. |
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263 ''' |
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264 self.open = self.__call__ |
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265 return self.__call__(path, mode, text, atomictemp, notindexed) |
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266 |
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267 def read(self, path): |
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268 fp = self(path, 'rb') |
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269 try: |
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270 return fp.read() |
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271 finally: |
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272 fp.close() |
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273 |
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274 def readlines(self, path, mode='rb'): |
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275 fp = self(path, mode=mode) |
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276 try: |
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277 return fp.readlines() |
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278 finally: |
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279 fp.close() |
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280 |
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281 def write(self, path, data): |
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282 fp = self(path, 'wb') |
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283 try: |
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284 return fp.write(data) |
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285 finally: |
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286 fp.close() |
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287 |
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288 def writelines(self, path, data, mode='wb', notindexed=False): |
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289 fp = self(path, mode=mode, notindexed=notindexed) |
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290 try: |
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291 return fp.writelines(data) |
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292 finally: |
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293 fp.close() |
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294 |
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295 def append(self, path, data): |
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296 fp = self(path, 'ab') |
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297 try: |
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298 return fp.write(data) |
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299 finally: |
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300 fp.close() |
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301 |
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302 def basename(self, path): |
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303 """return base element of a path (as os.path.basename would do) |
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304 |
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305 This exists to allow handling of strange encoding if needed.""" |
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306 return os.path.basename(path) |
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307 |
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308 def chmod(self, path, mode): |
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309 return os.chmod(self.join(path), mode) |
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310 |
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311 def dirname(self, path): |
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312 """return dirname element of a path (as os.path.dirname would do) |
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313 |
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314 This exists to allow handling of strange encoding if needed.""" |
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315 return os.path.dirname(path) |
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316 |
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317 def exists(self, path=None): |
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318 return os.path.exists(self.join(path)) |
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319 |
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320 def fstat(self, fp): |
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321 return util.fstat(fp) |
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322 |
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323 def isdir(self, path=None): |
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324 return os.path.isdir(self.join(path)) |
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325 |
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326 def isfile(self, path=None): |
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327 return os.path.isfile(self.join(path)) |
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328 |
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329 def islink(self, path=None): |
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330 return os.path.islink(self.join(path)) |
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331 |
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332 def reljoin(self, *paths): |
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333 """join various elements of a path together (as os.path.join would do) |
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334 |
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335 The vfs base is not injected so that path stay relative. This exists |
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336 to allow handling of strange encoding if needed.""" |
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337 return os.path.join(*paths) |
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338 |
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339 def split(self, path): |
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340 """split top-most element of a path (as os.path.split would do) |
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341 |
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342 This exists to allow handling of strange encoding if needed.""" |
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343 return os.path.split(path) |
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344 |
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345 def lexists(self, path=None): |
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346 return os.path.lexists(self.join(path)) |
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347 |
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348 def lstat(self, path=None): |
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349 return os.lstat(self.join(path)) |
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350 |
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351 def listdir(self, path=None): |
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352 return os.listdir(self.join(path)) |
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353 |
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354 def makedir(self, path=None, notindexed=True): |
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355 return util.makedir(self.join(path), notindexed) |
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356 |
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357 def makedirs(self, path=None, mode=None): |
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358 return util.makedirs(self.join(path), mode) |
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359 |
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360 def makelock(self, info, path): |
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361 return util.makelock(info, self.join(path)) |
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362 |
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363 def mkdir(self, path=None): |
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364 return os.mkdir(self.join(path)) |
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365 |
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366 def mkstemp(self, suffix='', prefix='tmp', dir=None, text=False): |
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367 fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, |
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368 dir=self.join(dir), text=text) |
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369 dname, fname = util.split(name) |
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370 if dir: |
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371 return fd, os.path.join(dir, fname) |
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372 else: |
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373 return fd, fname |
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374 |
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375 def readdir(self, path=None, stat=None, skip=None): |
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376 return osutil.listdir(self.join(path), stat, skip) |
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377 |
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378 def readlock(self, path): |
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379 return util.readlock(self.join(path)) |
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380 |
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381 def rename(self, src, dst): |
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382 return util.rename(self.join(src), self.join(dst)) |
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383 |
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384 def readlink(self, path): |
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385 return os.readlink(self.join(path)) |
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386 |
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387 def removedirs(self, path=None): |
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388 """Remove a leaf directory and all empty intermediate ones |
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389 """ |
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390 return util.removedirs(self.join(path)) |
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391 |
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392 def rmtree(self, path=None, ignore_errors=False, forcibly=False): |
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393 """Remove a directory tree recursively |
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394 |
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395 If ``forcibly``, this tries to remove READ-ONLY files, too. |
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396 """ |
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397 if forcibly: |
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398 def onerror(function, path, excinfo): |
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399 if function is not os.remove: |
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|
400 raise |
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|
401 # read-only files cannot be unlinked under Windows |
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402 s = os.stat(path) |
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403 if (s.st_mode & stat.S_IWRITE) != 0: |
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|
404 raise |
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405 os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE) |
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406 os.remove(path) |
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407 else: |
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408 onerror = None |
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409 return shutil.rmtree(self.join(path), |
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410 ignore_errors=ignore_errors, onerror=onerror) |
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411 |
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412 def setflags(self, path, l, x): |
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413 return util.setflags(self.join(path), l, x) |
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414 |
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415 def stat(self, path=None): |
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416 return os.stat(self.join(path)) |
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417 |
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418 def unlink(self, path=None): |
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419 return util.unlink(self.join(path)) |
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420 |
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421 def unlinkpath(self, path=None, ignoremissing=False): |
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422 return util.unlinkpath(self.join(path), ignoremissing) |
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423 |
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424 def utime(self, path=None, t=None): |
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425 return os.utime(self.join(path), t) |
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426 |
24725 | 427 def walk(self, path=None, onerror=None): |
428 """Yield (dirpath, dirs, files) tuple for each directories under path | |
429 | |
430 ``dirpath`` is relative one from the root of this vfs. This | |
431 uses ``os.sep`` as path separator, even you specify POSIX | |
432 style ``path``. | |
433 | |
434 "The root of this vfs" is represented as empty ``dirpath``. | |
435 """ | |
436 root = os.path.normpath(self.join(None)) | |
437 # when dirpath == root, dirpath[prefixlen:] becomes empty | |
438 # because len(dirpath) < prefixlen. | |
439 prefixlen = len(pathutil.normasprefix(root)) | |
440 for dirpath, dirs, files in os.walk(self.join(path), onerror=onerror): | |
441 yield (dirpath[prefixlen:], dirs, files) | |
442 | |
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443 class vfs(abstractvfs): |
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444 '''Operate files relative to a base directory |
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445 |
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446 This class is used to hide the details of COW semantics and |
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447 remote file access from higher level code. |
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448 ''' |
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449 def __init__(self, base, audit=True, expandpath=False, realpath=False): |
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450 if expandpath: |
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451 base = util.expandpath(base) |
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452 if realpath: |
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453 base = os.path.realpath(base) |
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454 self.base = base |
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455 self._setmustaudit(audit) |
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456 self.createmode = None |
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457 self._trustnlink = None |
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458 |
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459 def _getmustaudit(self): |
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460 return self._audit |
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461 |
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462 def _setmustaudit(self, onoff): |
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463 self._audit = onoff |
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464 if onoff: |
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465 self.audit = pathutil.pathauditor(self.base) |
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466 else: |
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467 self.audit = util.always |
17554
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468 |
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469 mustaudit = property(_getmustaudit, _setmustaudit) |
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470 |
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471 @util.propertycache |
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472 def _cansymlink(self): |
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473 return util.checklink(self.base) |
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474 |
18192
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475 @util.propertycache |
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476 def _chmod(self): |
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477 return util.checkexec(self.base) |
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478 |
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479 def _fixfilemode(self, name): |
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480 if self.createmode is None or not self._chmod: |
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481 return |
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|
482 os.chmod(name, self.createmode & 0o666) |
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483 |
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484 def __call__(self, path, mode="r", text=False, atomictemp=False, |
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|
485 notindexed=False): |
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486 '''Open ``path`` file, which is relative to vfs root. |
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487 |
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488 Newly created directories are marked as "not to be indexed by |
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|
489 the content indexing service", if ``notindexed`` is specified |
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490 for "write" mode access. |
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|
491 ''' |
14720
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492 if self._audit: |
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493 r = util.checkosfilename(path) |
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494 if r: |
26587
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error: get Abort from 'error' instead of 'util'
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|
495 raise error.Abort("%s: %r" % (r, path)) |
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|
496 self.audit(path) |
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497 f = self.join(path) |
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|
498 |
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499 if not text and "b" not in mode: |
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500 mode += "b" # for that other OS |
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501 |
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502 nlink = -1 |
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503 if mode not in ('r', 'rb'): |
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504 dirname, basename = util.split(f) |
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505 # If basename is empty, then the path is malformed because it points |
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506 # to a directory. Let the posixfile() call below raise IOError. |
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|
507 if basename: |
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|
508 if atomictemp: |
23370
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diff
changeset
|
509 util.ensuredirs(dirname, self.createmode, notindexed) |
17937
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510 return util.atomictempfile(f, mode, self.createmode) |
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|
511 try: |
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|
512 if 'w' in mode: |
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|
513 util.unlink(f) |
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514 nlink = 0 |
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515 else: |
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|
516 # nlinks() may behave differently for files on Windows |
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517 # shares if the file is open. |
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518 fd = util.posixfile(f) |
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519 nlink = util.nlinks(f) |
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|
520 if nlink < 1: |
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521 nlink = 2 # force mktempcopy (issue1922) |
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|
522 fd.close() |
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|
523 except (OSError, IOError) as e: |
17937
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524 if e.errno != errno.ENOENT: |
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changeset
|
525 raise |
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|
526 nlink = 0 |
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diff
changeset
|
527 util.ensuredirs(dirname, self.createmode, notindexed) |
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528 if nlink > 0: |
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529 if self._trustnlink is None: |
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530 self._trustnlink = nlink > 1 or util.checknlink(f) |
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|
531 if nlink > 1 or not self._trustnlink: |
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532 util.rename(util.mktempcopy(f), f) |
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533 fp = util.posixfile(f, mode) |
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changeset
|
534 if nlink == 0: |
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parents:
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diff
changeset
|
535 self._fixfilemode(f) |
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|
536 return fp |
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changeset
|
537 |
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changeset
|
538 def symlink(self, src, dst): |
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diff
changeset
|
539 self.audit(dst) |
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changeset
|
540 linkname = self.join(dst) |
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changeset
|
541 try: |
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changeset
|
542 os.unlink(linkname) |
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|
543 except OSError: |
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changeset
|
544 pass |
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changeset
|
545 |
18678
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parents:
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diff
changeset
|
546 util.ensuredirs(os.path.dirname(linkname), self.createmode) |
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|
547 |
14261
e3649bcca3f6
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changeset
|
548 if self._cansymlink: |
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changeset
|
549 try: |
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changeset
|
550 os.symlink(src, linkname) |
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changeset
|
551 except OSError as err: |
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552 raise OSError(err.errno, _('could not symlink to %r: %s') % |
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changeset
|
553 (src, err.strerror), linkname) |
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changeset
|
554 else: |
17768
9837cafc25b1
vfs: use self.write to write symlink placeholders
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
555 self.write(dst, src) |
13971
bfeaa88b875d
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diff
changeset
|
556 |
24628
a0b47885a1c5
vfs: make it possible to pass multiple path elements to join
Matt Harbison <matt_harbison@yahoo.com>
parents:
24582
diff
changeset
|
557 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:
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diff
changeset
|
558 if path: |
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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changeset
|
559 return os.path.join(self.base, path, *insidef) |
17681
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scmutil: backout 83785bb56062 (issue3643)
Matt Mackall <mpm@selenic.com>
parents:
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diff
changeset
|
560 else: |
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parents:
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|
561 return self.base |
16199
8181bd808dc5
scmutil: add join method to opener to construct path relative to base
Idan Kamara <idankk86@gmail.com>
parents:
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diff
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|
562 |
17649
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scmutil: rename classes from "opener" to "vfs"
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parents:
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diff
changeset
|
563 opener = vfs |
f65c6a5f256c
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
564 |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
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parents:
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diff
changeset
|
565 class auditvfs(object): |
408ded42c5ec
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parents:
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|
566 def __init__(self, vfs): |
408ded42c5ec
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|
567 self.vfs = vfs |
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diff
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|
568 |
408ded42c5ec
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diff
changeset
|
569 def _getmustaudit(self): |
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|
570 return self.vfs.mustaudit |
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diff
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|
571 |
408ded42c5ec
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changeset
|
572 def _setmustaudit(self, onoff): |
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|
573 self.vfs.mustaudit = onoff |
408ded42c5ec
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|
574 |
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changeset
|
575 mustaudit = property(_getmustaudit, _setmustaudit) |
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parents:
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diff
changeset
|
576 |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
17845
diff
changeset
|
577 class filtervfs(abstractvfs, auditvfs): |
17649
f65c6a5f256c
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
578 '''Wrapper vfs for filtering filenames with a function.''' |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
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diff
changeset
|
579 |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
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parents:
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|
580 def __init__(self, vfs, filter): |
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parents:
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diff
changeset
|
581 auditvfs.__init__(self, vfs) |
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parents:
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diff
changeset
|
582 self._filter = filter |
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add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
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diff
changeset
|
583 |
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
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diff
changeset
|
584 def __call__(self, path, *args, **kwargs): |
17846
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parents:
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changeset
|
585 return self.vfs(self._filter(path), *args, **kwargs) |
14090
e24b5e3c2f27
add filteropener abstraction for store openers
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents:
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diff
changeset
|
586 |
24628
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parents:
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diff
changeset
|
587 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
|
588 if path: |
24628
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Matt Harbison <matt_harbison@yahoo.com>
parents:
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diff
changeset
|
589 return self.vfs.join(self._filter(self.vfs.reljoin(path, *insidef))) |
17725
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vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17723
diff
changeset
|
590 else: |
17846
f42cf30873dc
scmutil: add mustaudit delegation to filtervfs (issue3673)
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
591 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
|
592 |
17649
f65c6a5f256c
scmutil: rename classes from "opener" to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
593 filteropener = filtervfs |
f65c6a5f256c
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17561
diff
changeset
|
594 |
18213
c38a62af000e
vfs: add a read only vfs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18206
diff
changeset
|
595 class readonlyvfs(abstractvfs, auditvfs): |
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
596 '''Wrapper vfs preventing any writing.''' |
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
597 |
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
598 def __init__(self, vfs): |
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
599 auditvfs.__init__(self, vfs) |
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parents:
18206
diff
changeset
|
600 |
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parents:
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diff
changeset
|
601 def __call__(self, path, mode='r', *args, **kw): |
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
602 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
|
603 raise error.Abort('this vfs is read only') |
18213
c38a62af000e
vfs: add a read only vfs
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parents:
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diff
changeset
|
604 return self.vfs(path, mode, *args, **kw) |
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vfs: add a read only vfs
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parents:
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diff
changeset
|
605 |
26156
a112fffdb632
scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents:
26098
diff
changeset
|
606 def join(self, path, *insidef): |
a112fffdb632
scmutil.readonlyvfs: implement join
Siddharth Agarwal <sid0@fb.com>
parents:
26098
diff
changeset
|
607 return self.vfs.join(path, *insidef) |
18213
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parents:
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diff
changeset
|
608 |
13975
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diff
changeset
|
609 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
|
610 '''yield every hg repository under path, always recursively. |
5a9acb0b2086
help: improve hgweb help
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parents:
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diff
changeset
|
611 The recurse flag will only control recursion into repo working dirs''' |
13975
938fbeacac84
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diff
changeset
|
612 def errhandler(err): |
938fbeacac84
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diff
changeset
|
613 if err.filename == path: |
938fbeacac84
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parents:
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diff
changeset
|
614 raise err |
14961
5523529bd1af
walkrepos: use getattr instead of hasattr for samestat
Augie Fackler <durin42@gmail.com>
parents:
14928
diff
changeset
|
615 samestat = getattr(os.path, 'samestat', None) |
5523529bd1af
walkrepos: use getattr instead of hasattr for samestat
Augie Fackler <durin42@gmail.com>
parents:
14928
diff
changeset
|
616 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
|
617 def adddir(dirlst, dirname): |
13975
938fbeacac84
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parents:
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diff
changeset
|
618 match = False |
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parents:
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diff
changeset
|
619 dirstat = os.stat(dirname) |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
620 for lstdirstat in dirlst: |
938fbeacac84
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parents:
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diff
changeset
|
621 if samestat(dirstat, lstdirstat): |
938fbeacac84
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parents:
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diff
changeset
|
622 match = True |
938fbeacac84
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parents:
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diff
changeset
|
623 break |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
624 if not match: |
938fbeacac84
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diff
changeset
|
625 dirlst.append(dirstat) |
938fbeacac84
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parents:
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diff
changeset
|
626 return not match |
938fbeacac84
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parents:
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diff
changeset
|
627 else: |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
628 followsym = False |
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diff
changeset
|
629 |
938fbeacac84
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parents:
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diff
changeset
|
630 if (seen_dirs is None) and followsym: |
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parents:
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diff
changeset
|
631 seen_dirs = [] |
14227
94985b5a8278
scmutil: rename local function _add_dir_if_not_there
Adrian Buehlmann <adrian@cadifra.com>
parents:
14226
diff
changeset
|
632 adddir(seen_dirs, path) |
13975
938fbeacac84
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parents:
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diff
changeset
|
633 for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): |
938fbeacac84
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parents:
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diff
changeset
|
634 dirs.sort() |
938fbeacac84
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parents:
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diff
changeset
|
635 if '.hg' in dirs: |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
636 yield root # found a repository |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
637 qroot = os.path.join(root, '.hg', 'patches') |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
638 if os.path.isdir(os.path.join(qroot, '.hg')): |
938fbeacac84
move walkrepos from util to scmutil
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parents:
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diff
changeset
|
639 yield qroot # we have a patch queue repo here |
938fbeacac84
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parents:
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diff
changeset
|
640 if recurse: |
938fbeacac84
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parents:
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diff
changeset
|
641 # avoid recursing inside the .hg directory |
938fbeacac84
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parents:
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diff
changeset
|
642 dirs.remove('.hg') |
938fbeacac84
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parents:
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diff
changeset
|
643 else: |
938fbeacac84
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parents:
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diff
changeset
|
644 dirs[:] = [] # don't descend further |
938fbeacac84
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parents:
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diff
changeset
|
645 elif followsym: |
938fbeacac84
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parents:
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diff
changeset
|
646 newdirs = [] |
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move walkrepos from util to scmutil
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parents:
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diff
changeset
|
647 for d in dirs: |
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move walkrepos from util to scmutil
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parents:
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diff
changeset
|
648 fname = os.path.join(root, d) |
14227
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parents:
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diff
changeset
|
649 if adddir(seen_dirs, fname): |
13975
938fbeacac84
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diff
changeset
|
650 if os.path.islink(fname): |
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diff
changeset
|
651 for hgname in walkrepos(fname, True, seen_dirs): |
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changeset
|
652 yield hgname |
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Adrian Buehlmann <adrian@cadifra.com>
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diff
changeset
|
653 else: |
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changeset
|
654 newdirs.append(d) |
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changeset
|
655 dirs[:] = newdirs |
13984
af60153b5e3b
move rcpath from util to scmutil
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parents:
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diff
changeset
|
656 |
14224
f4189866c76c
rename scmutil.os_rcpath to osrcpath
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parents:
14220
diff
changeset
|
657 def osrcpath(): |
13985
26335a817dd0
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parents:
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diff
changeset
|
658 '''return default os-specific hgrc search path''' |
23142
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config: introduce "built-in" default configuration settings in default.d
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parents:
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changeset
|
659 path = [] |
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changeset
|
660 defaultpath = os.path.join(util.datapath, 'default.d') |
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parents:
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diff
changeset
|
661 if os.path.isdir(defaultpath): |
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parents:
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diff
changeset
|
662 for f, kind in osutil.listdir(defaultpath): |
c4ce077588d0
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parents:
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diff
changeset
|
663 if f.endswith('.rc'): |
c4ce077588d0
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parents:
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diff
changeset
|
664 path.append(os.path.join(defaultpath, f)) |
c4ce077588d0
config: introduce "built-in" default configuration settings in default.d
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parents:
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diff
changeset
|
665 path.extend(systemrcpath()) |
14226
73cca883370d
rename scmutil.user_rcpath to userrcpath
Adrian Buehlmann <adrian@cadifra.com>
parents:
14225
diff
changeset
|
666 path.extend(userrcpath()) |
13985
26335a817dd0
move os_rcpath from util to scmutil
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diff
changeset
|
667 path = [os.path.normpath(f) for f in path] |
26335a817dd0
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diff
changeset
|
668 return path |
26335a817dd0
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parents:
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669 |
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670 _rcpath = None |
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671 |
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672 def rcpath(): |
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673 '''return hgrc search path. if env var HGRCPATH is set, use it. |
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674 for each item in path, if directory, use files ending in .rc, |
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675 else use item. |
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676 make HGRCPATH empty to only look in .hg/hgrc of current repo. |
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677 if no HGRCPATH, use default os-specific path.''' |
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678 global _rcpath |
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679 if _rcpath is None: |
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680 if 'HGRCPATH' in os.environ: |
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681 _rcpath = [] |
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682 for p in os.environ['HGRCPATH'].split(os.pathsep): |
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683 if not p: |
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684 continue |
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685 p = util.expandpath(p) |
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686 if os.path.isdir(p): |
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687 for f, kind in osutil.listdir(p): |
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688 if f.endswith('.rc'): |
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689 _rcpath.append(os.path.join(p, f)) |
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690 else: |
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691 _rcpath.append(p) |
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692 else: |
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693 _rcpath = osrcpath() |
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694 return _rcpath |
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695 |
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696 def intrev(rev): |
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697 """Return integer for a given revision that can be used in comparison or |
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698 arithmetic operation""" |
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699 if rev is None: |
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700 return wdirrev |
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701 return rev |
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702 |
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703 def revsingle(repo, revspec, default='.'): |
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704 if not revspec and revspec != 0: |
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705 return repo[default] |
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706 |
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707 l = revrange(repo, [revspec]) |
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708 if not l: |
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|
709 raise error.Abort(_('empty revision set')) |
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revsingle: use `last` instead of direct indexing
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710 return repo[l.last()] |
14319
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711 |
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|
712 def _pairspec(revspec): |
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713 tree = revset.parse(revspec) |
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diff
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|
714 tree = revset.optimize(tree, True)[1] # fix up "x^:y" -> "(x^):y" |
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|
715 return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') |
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|
716 |
14319
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|
717 def revpair(repo, revs): |
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diff
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718 if not revs: |
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|
719 return repo.dirstate.p1(), None |
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diff
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|
720 |
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diff
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|
721 l = revrange(repo, revs) |
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diff
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|
722 |
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diff
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|
723 if not l: |
97b2f26dfc43
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diff
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|
724 first = second = None |
97b2f26dfc43
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diff
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|
725 elif l.isascending(): |
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diff
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|
726 first = l.min() |
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diff
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|
727 second = l.max() |
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|
728 elif l.isdescending(): |
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|
729 first = l.max() |
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|
730 second = l.min() |
97b2f26dfc43
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diff
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|
731 else: |
22816
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revpair: use `first` and `last` instead of direct indexing
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diff
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|
732 first = l.first() |
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diff
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|
733 second = l.last() |
20862
97b2f26dfc43
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diff
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|
734 |
97b2f26dfc43
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diff
changeset
|
735 if first is None: |
26587
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diff
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|
736 raise error.Abort(_('empty revision range')) |
26836
88c4e97b9669
scmutil: abort if an empty revision is given to revpair()
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parents:
26587
diff
changeset
|
737 if (first == second and len(revs) >= 2 |
88c4e97b9669
scmutil: abort if an empty revision is given to revpair()
Matt Harbison <matt_harbison@yahoo.com>
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diff
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|
738 and not all(revrange(repo, [r]) for r in revs)): |
88c4e97b9669
scmutil: abort if an empty revision is given to revpair()
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diff
changeset
|
739 raise error.Abort(_('empty revision on one side of range')) |
14319
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changeset
|
740 |
26020
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diff
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|
741 # if top-level is range expression, the result must always be a pair |
cc3a30ff9490
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diff
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|
742 if first == second and len(revs) == 1 and not _pairspec(revs[0]): |
20862
97b2f26dfc43
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|
743 return repo.lookup(first), None |
14319
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|
744 |
20862
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diff
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|
745 return repo.lookup(first), repo.lookup(second) |
14319
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|
746 |
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changeset
|
747 def revrange(repo, revs): |
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|
748 """Yield revision as strings from a list of revision specifications.""" |
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revrange: evaluate all revset specs at once
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25904
diff
changeset
|
749 allspecs = [] |
14319
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diff
changeset
|
750 for spec in revs: |
25904
fbaa2de13cf6
revrange: drop old-style parser in favor of revset (API)
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25772
diff
changeset
|
751 if isinstance(spec, int): |
fbaa2de13cf6
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diff
changeset
|
752 spec = revset.formatspec('rev(%d)', spec) |
25928
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diff
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|
753 allspecs.append(spec) |
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diff
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|
754 m = revset.matchany(repo.ui, allspecs, repo) |
4ee4f7415095
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diff
changeset
|
755 return m(repo) |
14320 | 756 |
26433
3ad41638b4b4
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diff
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|
757 def meaningfulparents(repo, ctx): |
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|
758 """Return list of meaningful (or all if debug) parentrevs for rev. |
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|
759 |
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changeset
|
760 For merges (two non-nullrev revisions) both parents are meaningful. |
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|
761 Otherwise the first parent revision is considered meaningful if it |
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|
762 is not the preceding revision. |
3ad41638b4b4
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diff
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|
763 """ |
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changeset
|
764 parents = ctx.parents() |
3ad41638b4b4
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changeset
|
765 if len(parents) > 1: |
3ad41638b4b4
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diff
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|
766 return parents |
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26421
diff
changeset
|
767 if repo.ui.debugflag: |
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changeset
|
768 return [parents[0], repo['null']] |
3ad41638b4b4
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diff
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|
769 if parents[0].rev() >= intrev(ctx.rev()) - 1: |
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changeset
|
770 return [] |
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diff
changeset
|
771 return parents |
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diff
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|
772 |
14320 | 773 def expandpats(pats): |
21111
9d28fd795215
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parents:
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diff
changeset
|
774 '''Expand bare globs when running on windows. |
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diff
changeset
|
775 On posix we assume it already has already been done by sh.''' |
14320 | 776 if not util.expandglobs: |
777 return list(pats) | |
778 ret = [] | |
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changeset
|
779 for kindpat in pats: |
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changeset
|
780 kind, pat = matchmod._patsplit(kindpat, None) |
14320 | 781 if kind is None: |
782 try: | |
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diff
changeset
|
783 globbed = glob.glob(pat) |
14320 | 784 except re.error: |
21111
9d28fd795215
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diff
changeset
|
785 globbed = [pat] |
14320 | 786 if globbed: |
787 ret.extend(globbed) | |
788 continue | |
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789 ret.append(kindpat) |
14320 | 790 return ret |
791 | |
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792 def matchandpats(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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793 badfn=None): |
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794 '''Return a matcher and the patterns that were used. |
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795 The matcher will warn about bad matches, unless an alternate badfn callback |
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796 is provided.''' |
14320 | 797 if pats == ("",): |
798 pats = [] | |
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799 if opts is None: |
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800 opts = {} |
14320 | 801 if not globbed and default == 'relpath': |
802 pats = expandpats(pats or []) | |
14670
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803 |
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804 def bad(f, msg): |
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805 ctx.repo().ui.warn("%s: %s\n" % (m.rel(f), msg)) |
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806 |
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|
807 if badfn is None: |
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808 badfn = bad |
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809 |
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810 m = ctx.match(pats, opts.get('include'), opts.get('exclude'), |
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811 default, listsubrepos=opts.get('subrepos'), badfn=badfn) |
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|
812 |
24447
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813 if m.always(): |
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|
814 pats = [] |
16171
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|
815 return m, pats |
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816 |
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|
817 def match(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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818 badfn=None): |
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819 '''Return a matcher that will warn about bad matches.''' |
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820 return matchandpats(ctx, pats, opts, globbed, default, badfn=badfn)[0] |
14320 | 821 |
822 def matchall(repo): | |
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823 '''Return a matcher that will efficiently match everything.''' |
14320 | 824 return matchmod.always(repo.root, repo.getcwd()) |
825 | |
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826 def matchfiles(repo, files, badfn=None): |
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827 '''Return a matcher that will efficiently match exactly these files.''' |
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828 return matchmod.exact(repo.root, repo.getcwd(), files, badfn=badfn) |
14320 | 829 |
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830 def addremove(repo, matcher, prefix, opts=None, dry_run=None, similarity=None): |
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831 if opts is None: |
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832 opts = {} |
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|
833 m = matcher |
14320 | 834 if dry_run is None: |
835 dry_run = opts.get('dry_run') | |
836 if similarity is None: | |
837 similarity = float(opts.get('similarity') or 0) | |
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|
838 |
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|
839 ret = 0 |
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840 join = lambda f: os.path.join(prefix, f) |
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|
841 |
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842 def matchessubrepo(matcher, subpath): |
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843 if matcher.exact(subpath): |
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844 return True |
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845 for f in matcher.files(): |
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|
846 if f.startswith(subpath): |
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|
847 return True |
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|
848 return False |
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|
849 |
23537
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|
850 wctx = repo[None] |
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|
851 for subpath in sorted(wctx.substate): |
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|
852 if opts.get('subrepos') or matchessubrepo(m, subpath): |
23537
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|
853 sub = wctx.sub(subpath) |
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|
854 try: |
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|
855 submatch = matchmod.narrowmatcher(subpath, m) |
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|
856 if sub.addremove(submatch, prefix, opts, dry_run, similarity): |
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|
857 ret = 1 |
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|
858 except error.LookupError: |
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|
859 repo.ui.status(_("skipping missing subrepository: %s\n") |
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|
860 % join(subpath)) |
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|
861 |
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|
862 rejected = [] |
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|
863 def badfn(f, msg): |
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|
864 if f in m.files(): |
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|
865 m.bad(f, msg) |
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|
866 rejected.append(f) |
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|
867 |
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|
868 badmatch = matchmod.badmatch(m, badfn) |
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|
869 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, |
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|
870 badmatch) |
18863
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|
871 |
23259
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|
872 unknownset = set(unknown + forgotten) |
18863
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|
873 toprint = unknownset.copy() |
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|
874 toprint.update(deleted) |
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|
875 for abs in sorted(toprint): |
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|
876 if repo.ui.verbose or not m.exact(abs): |
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|
877 if abs in unknownset: |
23686
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|
878 status = _('adding %s\n') % m.uipath(abs) |
18863
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879 else: |
23686
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|
880 status = _('removing %s\n') % m.uipath(abs) |
18863
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|
881 repo.ui.status(status) |
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|
882 |
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|
883 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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|
884 similarity) |
14320 | 885 |
886 if not dry_run: | |
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|
887 _markchanges(repo, unknown + forgotten, deleted, renames) |
14320 | 888 |
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|
889 for f in rejected: |
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|
890 if f in m.files(): |
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|
891 return 1 |
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|
892 return ret |
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|
893 |
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|
894 def marktouched(repo, files, similarity=0.0): |
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895 '''Assert that files have somehow been operated upon. files are relative to |
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|
896 the repo root.''' |
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|
897 m = matchfiles(repo, files, badfn=lambda x, y: rejected.append(x)) |
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898 rejected = [] |
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|
899 |
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|
900 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, m) |
19154
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901 |
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|
902 if repo.ui.verbose: |
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|
903 unknownset = set(unknown + forgotten) |
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904 toprint = unknownset.copy() |
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905 toprint.update(deleted) |
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|
906 for abs in sorted(toprint): |
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907 if abs in unknownset: |
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|
908 status = _('adding %s\n') % abs |
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|
909 else: |
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changeset
|
910 status = _('removing %s\n') % abs |
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911 repo.ui.status(status) |
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|
912 |
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913 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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|
914 similarity) |
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|
915 |
23259
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|
916 _markchanges(repo, unknown + forgotten, deleted, renames) |
19154
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|
917 |
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|
918 for f in rejected: |
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|
919 if f in m.files(): |
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|
920 return 1 |
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|
921 return 0 |
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|
922 |
19150
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|
923 def _interestingfiles(repo, matcher): |
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924 '''Walk dirstate with matcher, looking for files that addremove would care |
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|
925 about. |
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|
926 |
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|
927 This is different from dirstate.status because it doesn't care about |
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|
928 whether files are modified or clean.''' |
23259
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diff
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|
929 added, unknown, deleted, removed, forgotten = [], [], [], [], [] |
20033
f962870712da
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Augie Fackler <raf@durin42.com>
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|
930 audit_path = pathutil.pathauditor(repo.root) |
19150
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931 |
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|
932 ctx = repo[None] |
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|
933 dirstate = repo.dirstate |
19655
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diff
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|
934 walkresults = dirstate.walk(matcher, sorted(ctx.substate), True, False, |
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935 full=False) |
19150
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936 for abs, st in walkresults.iteritems(): |
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937 dstate = dirstate[abs] |
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938 if dstate == '?' and audit_path.check(abs): |
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939 unknown.append(abs) |
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940 elif dstate != 'r' and not st: |
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|
941 deleted.append(abs) |
23259
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942 elif dstate == 'r' and st: |
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|
943 forgotten.append(abs) |
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|
944 # for finding renames |
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|
945 elif dstate == 'r' and not st: |
19150
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|
946 removed.append(abs) |
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947 elif dstate == 'a': |
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948 added.append(abs) |
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949 |
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950 return added, unknown, deleted, removed, forgotten |
19150
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951 |
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952 def _findrenames(repo, matcher, added, removed, similarity): |
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953 '''Find renames from removed files to added ones.''' |
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954 renames = {} |
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955 if similarity > 0: |
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|
956 for old, new, score in similar.findrenames(repo, added, removed, |
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957 similarity): |
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958 if (repo.ui.verbose or not matcher.exact(old) |
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959 or not matcher.exact(new)): |
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960 repo.ui.status(_('recording removal of %s as rename to %s ' |
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|
961 '(%d%% similar)\n') % |
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962 (matcher.rel(old), matcher.rel(new), |
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|
963 score * 100)) |
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964 renames[new] = old |
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965 return renames |
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|
966 |
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967 def _markchanges(repo, unknown, deleted, renames): |
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968 '''Marks the files in unknown as added, the files in deleted as removed, |
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969 and the files in renames as copied.''' |
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|
970 wctx = repo[None] |
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971 wlock = repo.wlock() |
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|
972 try: |
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|
973 wctx.forget(deleted) |
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|
974 wctx.add(unknown) |
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|
975 for new, old in renames.iteritems(): |
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|
976 wctx.copy(old, new) |
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|
977 finally: |
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|
978 wlock.release() |
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|
979 |
14320 | 980 def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None): |
981 """Update the dirstate to reflect the intent of copying src to dst. For | |
982 different reasons it might not end with dst being marked as copied from src. | |
983 """ | |
984 origsrc = repo.dirstate.copied(src) or src | |
985 if dst == origsrc: # copying back a copy? | |
986 if repo.dirstate[dst] not in 'mn' and not dryrun: | |
987 repo.dirstate.normallookup(dst) | |
988 else: | |
989 if repo.dirstate[origsrc] == 'a' and origsrc == src: | |
990 if not ui.quiet: | |
991 ui.warn(_("%s has not been committed yet, so no copy " | |
992 "data will be stored for %s.\n") | |
993 % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd))) | |
994 if repo.dirstate[dst] in '?r' and not dryrun: | |
995 wctx.add([dst]) | |
996 elif not dryrun: | |
997 wctx.copy(origsrc, dst) | |
14482
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|
998 |
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|
999 def readrequires(opener, supported): |
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1000 '''Reads and parses .hg/requires and checks if all entries found |
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|
1001 are in the list of supported features.''' |
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|
1002 requirements = set(opener.read("requires").splitlines()) |
14746
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diff
changeset
|
1003 missings = [] |
14482
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|
1004 for r in requirements: |
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|
1005 if r not in supported: |
14484
4582a4dd1817
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Matt Mackall <mpm@selenic.com>
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14483
diff
changeset
|
1006 if not r or not r[0].isalnum(): |
4582a4dd1817
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14483
diff
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|
1007 raise error.RequirementError(_(".hg/requires file is corrupt")) |
14746
72e4fcb43227
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diff
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|
1008 missings.append(r) |
72e4fcb43227
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diff
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|
1009 missings.sort() |
72e4fcb43227
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14720
diff
changeset
|
1010 if missings: |
16683 | 1011 raise error.RequirementError( |
20820
f8e531a3a77c
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20819
diff
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|
1012 _("repository requires features unknown to this Mercurial: %s") |
f8e531a3a77c
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diff
changeset
|
1013 % " ".join(missings), |
26421
4b0fc75f9403
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Matt Mackall <mpm@selenic.com>
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26329
diff
changeset
|
1014 hint=_("see https://mercurial-scm.org/wiki/MissingRequirement" |
20820
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|
1015 " for more information")) |
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|
1016 return requirements |
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|
1017 |
24934
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|
1018 def writerequires(opener, requirements): |
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|
1019 reqfile = opener("requires", "w") |
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|
1020 for r in sorted(requirements): |
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|
1021 reqfile.write("%s\n" % r) |
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|
1022 reqfile.close() |
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|
1023 |
20043
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|
1024 class filecachesubentry(object): |
20042
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|
1025 def __init__(self, path, stat): |
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1026 self.path = path |
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|
1027 self.cachestat = None |
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|
1028 self._cacheable = None |
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1029 |
18315
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|
1030 if stat: |
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|
1031 self.cachestat = filecachesubentry.stat(self.path) |
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1032 |
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|
1033 if self.cachestat: |
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1034 self._cacheable = self.cachestat.cacheable() |
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1035 else: |
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1036 # None means we don't know yet |
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1037 self._cacheable = None |
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1038 |
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1039 def refresh(self): |
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1040 if self.cacheable(): |
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1041 self.cachestat = filecachesubentry.stat(self.path) |
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1042 |
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1043 def cacheable(self): |
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1044 if self._cacheable is not None: |
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1045 return self._cacheable |
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1046 |
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1047 # we don't know yet, assume it is for now |
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1048 return True |
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1049 |
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1050 def changed(self): |
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1051 # no point in going further if we can't cache it |
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1052 if not self.cacheable(): |
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1053 return True |
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1054 |
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1055 newstat = filecachesubentry.stat(self.path) |
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1056 |
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1057 # we may not know if it's cacheable yet, check again now |
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1058 if newstat and self._cacheable is None: |
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1059 self._cacheable = newstat.cacheable() |
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1060 |
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1061 # check again |
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1062 if not self._cacheable: |
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1063 return True |
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1064 |
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1065 if self.cachestat != newstat: |
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1066 self.cachestat = newstat |
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1067 return True |
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1068 else: |
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1069 return False |
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1070 |
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1071 @staticmethod |
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1072 def stat(path): |
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1073 try: |
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1074 return util.cachestat(path) |
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1075 except OSError as e: |
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1076 if e.errno != errno.ENOENT: |
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1077 raise |
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1078 |
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1079 class filecacheentry(object): |
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1080 def __init__(self, paths, stat=True): |
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1081 self._entries = [] |
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1082 for path in paths: |
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1083 self._entries.append(filecachesubentry(path, stat)) |
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1084 |
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1085 def changed(self): |
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1086 '''true if any entry has changed''' |
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1087 for entry in self._entries: |
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1088 if entry.changed(): |
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1089 return True |
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1090 return False |
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1091 |
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1092 def refresh(self): |
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1093 for entry in self._entries: |
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1094 entry.refresh() |
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1095 |
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1096 class filecache(object): |
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1097 '''A property like decorator that tracks files under .hg/ for updates. |
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1098 |
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1099 Records stat info when called in _filecache. |
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1100 |
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1101 On subsequent calls, compares old stat info with new info, and recreates the |
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1102 object when any of the files changes, updating the new stat info in |
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1103 _filecache. |
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1104 |
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1105 Mercurial either atomic renames or appends for files under .hg, |
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1106 so to ensure the cache is reliable we need the filesystem to be able |
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1107 to tell us if a file has been replaced. If it can't, we fallback to |
26098 | 1108 recreating the object on every call (essentially the same behavior as |
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1109 propertycache). |
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1110 |
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1111 ''' |
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1112 def __init__(self, *paths): |
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1113 self.paths = paths |
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1114 |
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1115 def join(self, obj, fname): |
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1116 """Used to compute the runtime path of a cached file. |
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1117 |
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1118 Users should subclass filecache and provide their own version of this |
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1119 function to call the appropriate join function on 'obj' (an instance |
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1120 of the class that its member function was decorated). |
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1121 """ |
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1122 return obj.join(fname) |
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1123 |
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1124 def __call__(self, func): |
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1125 self.func = func |
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1126 self.name = func.__name__ |
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1127 return self |
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1128 |
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1129 def __get__(self, obj, type=None): |
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1130 # do we need to check if the file changed? |
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1131 if self.name in obj.__dict__: |
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1132 assert self.name in obj._filecache, self.name |
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1133 return obj.__dict__[self.name] |
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1134 |
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1135 entry = obj._filecache.get(self.name) |
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1136 |
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1137 if entry: |
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1138 if entry.changed(): |
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1139 entry.obj = self.func(obj) |
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1140 else: |
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1141 paths = [self.join(obj, path) for path in self.paths] |
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1142 |
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1143 # We stat -before- creating the object so our cache doesn't lie if |
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1144 # a writer modified between the time we read and stat |
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1145 entry = filecacheentry(paths, True) |
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1146 entry.obj = self.func(obj) |
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1147 |
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1148 obj._filecache[self.name] = entry |
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1149 |
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1150 obj.__dict__[self.name] = entry.obj |
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1151 return entry.obj |
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1152 |
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1153 def __set__(self, obj, value): |
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1154 if self.name not in obj._filecache: |
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1155 # we add an entry for the missing value because X in __dict__ |
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1156 # implies X in _filecache |
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1157 paths = [self.join(obj, path) for path in self.paths] |
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1158 ce = filecacheentry(paths, False) |
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1159 obj._filecache[self.name] = ce |
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1160 else: |
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1161 ce = obj._filecache[self.name] |
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1162 |
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1163 ce.obj = value # update cached copy |
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1164 obj.__dict__[self.name] = value # update copy returned by obj.x |
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1165 |
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1166 def __delete__(self, obj): |
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1167 try: |
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1168 del obj.__dict__[self.name] |
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1169 except KeyError: |
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1170 raise AttributeError(self.name) |
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1171 |
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1172 def _locksub(repo, lock, envvar, cmd, environ=None, *args, **kwargs): |
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1173 if lock is None: |
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1174 raise error.LockInheritanceContractViolation( |
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1175 'lock can only be inherited while held') |
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1176 if environ is None: |
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1177 environ = {} |
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1178 with lock.inherit() as locker: |
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1179 environ[envvar] = locker |
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1180 return repo.ui.system(cmd, environ=environ, *args, **kwargs) |
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1181 |
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1182 def wlocksub(repo, cmd, *args, **kwargs): |
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1183 """run cmd as a subprocess that allows inheriting repo's wlock |
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1184 |
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1185 This can only be called while the wlock is held. This takes all the |
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1186 arguments that ui.system does, and returns the exit code of the |
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1187 subprocess.""" |
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1188 return _locksub(repo, repo.currentwlock(), 'HG_WLOCK_LOCKER', cmd, *args, |
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1189 **kwargs) |
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1190 |
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1191 def gdinitconfig(ui): |
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1192 """helper function to know if a repo should be created as general delta |
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1193 """ |
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1194 # experimental config: format.generaldelta |
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1195 return (ui.configbool('format', 'generaldelta', False) |
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1196 or ui.configbool('format', 'usegeneraldelta', True)) |
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1197 |
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1198 def gddeltaconfig(ui): |
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1199 """helper function to know if incoming delta should be optimised |
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1200 """ |
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1201 # experimental config: format.generaldelta |
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1202 return ui.configbool('format', 'generaldelta', False) |