Mercurial > hg
annotate mercurial/scmutil.py @ 32129:f0ea0f642627
py3: make posix.getuser return a bytes
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Fri, 21 Apr 2017 00:53:38 +0530 |
parents | ef966bcf48a5 |
children | 994b0b1c77d6 |
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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 hashlib |
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13 import os |
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14 import re |
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15 import socket |
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16 |
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17 from .i18n import _ |
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18 from .node import wdirrev |
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19 from . import ( |
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20 encoding, |
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21 error, |
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22 match as matchmod, |
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23 pathutil, |
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24 phases, |
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25 pycompat, |
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26 revsetlang, |
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27 similar, |
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28 util, |
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29 ) |
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30 |
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31 if pycompat.osname == 'nt': |
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32 from . import scmwindows as scmplatform |
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33 else: |
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34 from . import scmposix as scmplatform |
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35 |
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36 termsize = scmplatform.termsize |
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37 |
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38 class status(tuple): |
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39 '''Named tuple with a list of files per status. The 'deleted', 'unknown' |
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40 and 'ignored' properties are only relevant to the working copy. |
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41 ''' |
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42 |
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43 __slots__ = () |
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44 |
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45 def __new__(cls, modified, added, removed, deleted, unknown, ignored, |
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46 clean): |
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47 return tuple.__new__(cls, (modified, added, removed, deleted, unknown, |
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48 ignored, clean)) |
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49 |
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50 @property |
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51 def modified(self): |
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52 '''files that have been modified''' |
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53 return self[0] |
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54 |
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55 @property |
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56 def added(self): |
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57 '''files that have been added''' |
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58 return self[1] |
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59 |
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60 @property |
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61 def removed(self): |
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62 '''files that have been removed''' |
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63 return self[2] |
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64 |
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65 @property |
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66 def deleted(self): |
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67 '''files that are in the dirstate, but have been deleted from the |
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68 working copy (aka "missing") |
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69 ''' |
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70 return self[3] |
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71 |
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72 @property |
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73 def unknown(self): |
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74 '''files not in the dirstate that are not ignored''' |
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75 return self[4] |
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76 |
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77 @property |
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78 def ignored(self): |
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79 '''files not in the dirstate that are ignored (by _dirignore())''' |
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80 return self[5] |
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81 |
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82 @property |
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83 def clean(self): |
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84 '''files that have not been modified''' |
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85 return self[6] |
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86 |
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87 def __repr__(self, *args, **kwargs): |
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88 return (('<status modified=%r, added=%r, removed=%r, deleted=%r, ' |
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89 'unknown=%r, ignored=%r, clean=%r>') % self) |
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90 |
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91 def itersubrepos(ctx1, ctx2): |
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92 """find subrepos in ctx1 or ctx2""" |
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93 # Create a (subpath, ctx) mapping where we prefer subpaths from |
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94 # ctx1. The subpaths from ctx2 are important when the .hgsub file |
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95 # has been modified (in ctx2) but not yet committed (in ctx1). |
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96 subpaths = dict.fromkeys(ctx2.substate, ctx2) |
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97 subpaths.update(dict.fromkeys(ctx1.substate, ctx1)) |
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98 |
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99 missing = set() |
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100 |
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101 for subpath in ctx2.substate: |
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102 if subpath not in ctx1.substate: |
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103 del subpaths[subpath] |
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104 missing.add(subpath) |
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105 |
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106 for subpath, ctx in sorted(subpaths.iteritems()): |
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107 yield subpath, ctx.sub(subpath) |
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108 |
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109 # Yield an empty subrepo based on ctx1 for anything only in ctx2. That way, |
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110 # status and diff will have an accurate result when it does |
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111 # 'sub.{status|diff}(rev2)'. Otherwise, the ctx2 subrepo is compared |
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112 # against itself. |
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113 for subpath in missing: |
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114 yield subpath, ctx2.nullsub(subpath, ctx1) |
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115 |
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116 def nochangesfound(ui, repo, excluded=None): |
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117 '''Report no changes for push/pull, excluded is None or a list of |
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118 nodes excluded from the push/pull. |
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119 ''' |
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120 secretlist = [] |
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121 if excluded: |
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122 for n in excluded: |
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123 if n not in repo: |
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124 # discovery should not have included the filtered revision, |
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125 # we have to explicitly exclude it until discovery is cleanup. |
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126 continue |
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127 ctx = repo[n] |
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128 if ctx.phase() >= phases.secret and not ctx.extinct(): |
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129 secretlist.append(n) |
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130 |
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131 if secretlist: |
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132 ui.status(_("no changes found (ignored %d secret changesets)\n") |
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133 % len(secretlist)) |
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134 else: |
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135 ui.status(_("no changes found\n")) |
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136 |
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137 def callcatch(ui, func): |
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138 """call func() with global exception handling |
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139 |
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140 return func() if no exception happens. otherwise do some error handling |
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141 and return an exit code accordingly. does not handle all exceptions. |
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142 """ |
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143 try: |
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144 try: |
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145 return func() |
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146 except: # re-raises |
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147 ui.traceback() |
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148 raise |
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149 # Global exception handling, alphabetically |
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150 # Mercurial-specific first, followed by built-in and library exceptions |
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151 except error.LockHeld as inst: |
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152 if inst.errno == errno.ETIMEDOUT: |
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153 reason = _('timed out waiting for lock held by %r') % inst.locker |
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154 else: |
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155 reason = _('lock held by %r') % inst.locker |
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156 ui.warn(_("abort: %s: %s\n") % (inst.desc or inst.filename, reason)) |
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157 if not inst.locker: |
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158 ui.warn(_("(lock might be very busy)\n")) |
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159 except error.LockUnavailable as inst: |
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160 ui.warn(_("abort: could not lock %s: %s\n") % |
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161 (inst.desc or inst.filename, inst.strerror)) |
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162 except error.OutOfBandError as inst: |
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163 if inst.args: |
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164 msg = _("abort: remote error:\n") |
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165 else: |
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166 msg = _("abort: remote error\n") |
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167 ui.warn(msg) |
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168 if inst.args: |
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169 ui.warn(''.join(inst.args)) |
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170 if inst.hint: |
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171 ui.warn('(%s)\n' % inst.hint) |
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172 except error.RepoError as inst: |
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173 ui.warn(_("abort: %s!\n") % inst) |
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174 if inst.hint: |
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175 ui.warn(_("(%s)\n") % inst.hint) |
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176 except error.ResponseError as inst: |
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177 ui.warn(_("abort: %s") % inst.args[0]) |
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178 if not isinstance(inst.args[1], basestring): |
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179 ui.warn(" %r\n" % (inst.args[1],)) |
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180 elif not inst.args[1]: |
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181 ui.warn(_(" empty string\n")) |
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182 else: |
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183 ui.warn("\n%r\n" % util.ellipsis(inst.args[1])) |
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184 except error.CensoredNodeError as inst: |
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185 ui.warn(_("abort: file censored %s!\n") % inst) |
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186 except error.RevlogError as inst: |
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187 ui.warn(_("abort: %s!\n") % inst) |
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188 except error.InterventionRequired as inst: |
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189 ui.warn("%s\n" % inst) |
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190 if inst.hint: |
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191 ui.warn(_("(%s)\n") % inst.hint) |
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192 return 1 |
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193 except error.Abort as inst: |
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194 ui.warn(_("abort: %s\n") % inst) |
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195 if inst.hint: |
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196 ui.warn(_("(%s)\n") % inst.hint) |
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197 except ImportError as inst: |
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198 ui.warn(_("abort: %s!\n") % inst) |
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199 m = str(inst).split()[-1] |
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200 if m in "mpatch bdiff".split(): |
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201 ui.warn(_("(did you forget to compile extensions?)\n")) |
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202 elif m in "zlib".split(): |
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203 ui.warn(_("(is your Python install correct?)\n")) |
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204 except IOError as inst: |
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205 if util.safehasattr(inst, "code"): |
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206 ui.warn(_("abort: %s\n") % inst) |
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207 elif util.safehasattr(inst, "reason"): |
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208 try: # usually it is in the form (errno, strerror) |
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209 reason = inst.reason.args[1] |
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210 except (AttributeError, IndexError): |
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211 # it might be anything, for example a string |
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212 reason = inst.reason |
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213 if isinstance(reason, unicode): |
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214 # SSLError of Python 2.7.9 contains a unicode |
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215 reason = reason.encode(encoding.encoding, 'replace') |
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216 ui.warn(_("abort: error: %s\n") % reason) |
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217 elif (util.safehasattr(inst, "args") |
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218 and inst.args and inst.args[0] == errno.EPIPE): |
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219 pass |
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220 elif getattr(inst, "strerror", None): |
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221 if getattr(inst, "filename", None): |
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222 ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename)) |
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223 else: |
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224 ui.warn(_("abort: %s\n") % inst.strerror) |
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225 else: |
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226 raise |
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227 except OSError as inst: |
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228 if getattr(inst, "filename", None) is not None: |
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229 ui.warn(_("abort: %s: '%s'\n") % (inst.strerror, inst.filename)) |
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230 else: |
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231 ui.warn(_("abort: %s\n") % inst.strerror) |
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232 except MemoryError: |
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233 ui.warn(_("abort: out of memory\n")) |
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234 except SystemExit as inst: |
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235 # Commands shouldn't sys.exit directly, but give a return code. |
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236 # Just in case catch this and and pass exit code to caller. |
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237 return inst.code |
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238 except socket.error as inst: |
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239 ui.warn(_("abort: %s\n") % inst.args[-1]) |
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240 |
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241 return -1 |
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242 |
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243 def checknewlabel(repo, lbl, kind): |
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244 # Do not use the "kind" parameter in ui output. |
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245 # It makes strings difficult to translate. |
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246 if lbl in ['tip', '.', 'null']: |
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247 raise error.Abort(_("the name '%s' is reserved") % lbl) |
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248 for c in (':', '\0', '\n', '\r'): |
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249 if c in lbl: |
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250 raise error.Abort(_("%r cannot be used in a name") % c) |
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251 try: |
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252 int(lbl) |
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253 raise error.Abort(_("cannot use an integer as a name")) |
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254 except ValueError: |
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255 pass |
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256 |
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257 def checkfilename(f): |
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258 '''Check that the filename f is an acceptable filename for a tracked file''' |
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259 if '\r' in f or '\n' in f: |
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260 raise error.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f) |
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261 |
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262 def checkportable(ui, f): |
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263 '''Check if filename f is portable and warn or abort depending on config''' |
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264 checkfilename(f) |
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265 abort, warn = checkportabilityalert(ui) |
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266 if abort or warn: |
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267 msg = util.checkwinfilename(f) |
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268 if msg: |
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269 msg = "%s: %r" % (msg, f) |
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270 if abort: |
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271 raise error.Abort(msg) |
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272 ui.warn(_("warning: %s\n") % msg) |
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273 |
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274 def checkportabilityalert(ui): |
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275 '''check if the user's config requests nothing, a warning, or abort for |
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276 non-portable filenames''' |
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277 val = ui.config('ui', 'portablefilenames', 'warn') |
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278 lval = val.lower() |
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279 bval = util.parsebool(val) |
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280 abort = pycompat.osname == 'nt' or lval == 'abort' |
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281 warn = bval or lval == 'warn' |
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282 if bval is None and not (warn or abort or lval == 'ignore'): |
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283 raise error.ConfigError( |
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284 _("ui.portablefilenames value is invalid ('%s')") % val) |
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285 return abort, warn |
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286 |
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287 class casecollisionauditor(object): |
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288 def __init__(self, ui, abort, dirstate): |
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289 self._ui = ui |
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290 self._abort = abort |
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291 allfiles = '\0'.join(dirstate._map) |
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292 self._loweredfiles = set(encoding.lower(allfiles).split('\0')) |
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293 self._dirstate = dirstate |
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294 # The purpose of _newfiles is so that we don't complain about |
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295 # case collisions if someone were to call this object with the |
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296 # same filename twice. |
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297 self._newfiles = set() |
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298 |
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299 def __call__(self, f): |
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300 if f in self._newfiles: |
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301 return |
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302 fl = encoding.lower(f) |
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303 if fl in self._loweredfiles and f not in self._dirstate: |
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304 msg = _('possible case-folding collision for %s') % f |
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305 if self._abort: |
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306 raise error.Abort(msg) |
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307 self._ui.warn(_("warning: %s\n") % msg) |
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308 self._loweredfiles.add(fl) |
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309 self._newfiles.add(f) |
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310 |
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311 def filteredhash(repo, maxrev): |
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312 """build hash of filtered revisions in the current repoview. |
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313 |
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314 Multiple caches perform up-to-date validation by checking that the |
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315 tiprev and tipnode stored in the cache file match the current repository. |
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316 However, this is not sufficient for validating repoviews because the set |
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317 of revisions in the view may change without the repository tiprev and |
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318 tipnode changing. |
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319 |
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320 This function hashes all the revs filtered from the view and returns |
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321 that SHA-1 digest. |
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322 """ |
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323 cl = repo.changelog |
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324 if not cl.filteredrevs: |
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325 return None |
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326 key = None |
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327 revs = sorted(r for r in cl.filteredrevs if r <= maxrev) |
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328 if revs: |
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329 s = hashlib.sha1() |
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330 for rev in revs: |
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331 s.update('%d;' % rev) |
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332 key = s.digest() |
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333 return key |
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334 |
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335 def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): |
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336 '''yield every hg repository under path, always recursively. |
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337 The recurse flag will only control recursion into repo working dirs''' |
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338 def errhandler(err): |
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339 if err.filename == path: |
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340 raise err |
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341 samestat = getattr(os.path, 'samestat', None) |
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342 if followsym and samestat is not None: |
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343 def adddir(dirlst, dirname): |
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344 match = False |
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345 dirstat = os.stat(dirname) |
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346 for lstdirstat in dirlst: |
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347 if samestat(dirstat, lstdirstat): |
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348 match = True |
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349 break |
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350 if not match: |
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351 dirlst.append(dirstat) |
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352 return not match |
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353 else: |
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354 followsym = False |
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355 |
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356 if (seen_dirs is None) and followsym: |
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357 seen_dirs = [] |
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358 adddir(seen_dirs, path) |
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359 for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): |
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360 dirs.sort() |
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361 if '.hg' in dirs: |
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362 yield root # found a repository |
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363 qroot = os.path.join(root, '.hg', 'patches') |
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364 if os.path.isdir(os.path.join(qroot, '.hg')): |
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365 yield qroot # we have a patch queue repo here |
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366 if recurse: |
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367 # avoid recursing inside the .hg directory |
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368 dirs.remove('.hg') |
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369 else: |
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370 dirs[:] = [] # don't descend further |
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371 elif followsym: |
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372 newdirs = [] |
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373 for d in dirs: |
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374 fname = os.path.join(root, d) |
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375 if adddir(seen_dirs, fname): |
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376 if os.path.islink(fname): |
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377 for hgname in walkrepos(fname, True, seen_dirs): |
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378 yield hgname |
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379 else: |
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380 newdirs.append(d) |
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381 dirs[:] = newdirs |
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382 |
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383 def intrev(rev): |
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384 """Return integer for a given revision that can be used in comparison or |
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385 arithmetic operation""" |
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386 if rev is None: |
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387 return wdirrev |
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388 return rev |
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389 |
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390 def revsingle(repo, revspec, default='.'): |
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391 if not revspec and revspec != 0: |
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392 return repo[default] |
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393 |
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394 l = revrange(repo, [revspec]) |
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395 if not l: |
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396 raise error.Abort(_('empty revision set')) |
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397 return repo[l.last()] |
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398 |
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399 def _pairspec(revspec): |
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400 tree = revsetlang.parse(revspec) |
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401 return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') |
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402 |
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403 def revpair(repo, revs): |
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404 if not revs: |
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405 return repo.dirstate.p1(), None |
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406 |
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407 l = revrange(repo, revs) |
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408 |
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409 if not l: |
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410 first = second = None |
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411 elif l.isascending(): |
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412 first = l.min() |
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413 second = l.max() |
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414 elif l.isdescending(): |
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415 first = l.max() |
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416 second = l.min() |
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417 else: |
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418 first = l.first() |
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419 second = l.last() |
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420 |
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421 if first is None: |
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422 raise error.Abort(_('empty revision range')) |
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423 if (first == second and len(revs) >= 2 |
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424 and not all(revrange(repo, [r]) for r in revs)): |
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425 raise error.Abort(_('empty revision on one side of range')) |
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426 |
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427 # if top-level is range expression, the result must always be a pair |
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428 if first == second and len(revs) == 1 and not _pairspec(revs[0]): |
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429 return repo.lookup(first), None |
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430 |
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431 return repo.lookup(first), repo.lookup(second) |
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432 |
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433 def revrange(repo, specs): |
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434 """Execute 1 to many revsets and return the union. |
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435 |
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436 This is the preferred mechanism for executing revsets using user-specified |
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437 config options, such as revset aliases. |
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438 |
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439 The revsets specified by ``specs`` will be executed via a chained ``OR`` |
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440 expression. If ``specs`` is empty, an empty result is returned. |
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441 |
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442 ``specs`` can contain integers, in which case they are assumed to be |
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|
443 revision numbers. |
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444 |
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|
445 It is assumed the revsets are already formatted. If you have arguments |
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|
446 that need to be expanded in the revset, call ``revsetlang.formatspec()`` |
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447 and pass the result as an element of ``specs``. |
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448 |
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449 Specifying a single revset is allowed. |
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450 |
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451 Returns a ``revset.abstractsmartset`` which is a list-like interface over |
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|
452 integer revisions. |
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453 """ |
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454 allspecs = [] |
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455 for spec in specs: |
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456 if isinstance(spec, int): |
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457 spec = revsetlang.formatspec('rev(%d)', spec) |
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458 allspecs.append(spec) |
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|
459 return repo.anyrevs(allspecs, user=True) |
14320 | 460 |
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461 def meaningfulparents(repo, ctx): |
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462 """Return list of meaningful (or all if debug) parentrevs for rev. |
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463 |
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464 For merges (two non-nullrev revisions) both parents are meaningful. |
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465 Otherwise the first parent revision is considered meaningful if it |
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466 is not the preceding revision. |
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467 """ |
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468 parents = ctx.parents() |
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469 if len(parents) > 1: |
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470 return parents |
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471 if repo.ui.debugflag: |
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472 return [parents[0], repo['null']] |
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473 if parents[0].rev() >= intrev(ctx.rev()) - 1: |
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474 return [] |
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475 return parents |
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476 |
14320 | 477 def expandpats(pats): |
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478 '''Expand bare globs when running on windows. |
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479 On posix we assume it already has already been done by sh.''' |
14320 | 480 if not util.expandglobs: |
481 return list(pats) | |
482 ret = [] | |
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483 for kindpat in pats: |
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484 kind, pat = matchmod._patsplit(kindpat, None) |
14320 | 485 if kind is None: |
486 try: | |
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487 globbed = glob.glob(pat) |
14320 | 488 except re.error: |
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489 globbed = [pat] |
14320 | 490 if globbed: |
491 ret.extend(globbed) | |
492 continue | |
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493 ret.append(kindpat) |
14320 | 494 return ret |
495 | |
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496 def matchandpats(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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497 badfn=None): |
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498 '''Return a matcher and the patterns that were used. |
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499 The matcher will warn about bad matches, unless an alternate badfn callback |
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500 is provided.''' |
14320 | 501 if pats == ("",): |
502 pats = [] | |
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503 if opts is None: |
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504 opts = {} |
14320 | 505 if not globbed and default == 'relpath': |
506 pats = expandpats(pats or []) | |
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507 |
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508 def bad(f, msg): |
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509 ctx.repo().ui.warn("%s: %s\n" % (m.rel(f), msg)) |
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510 |
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511 if badfn is None: |
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512 badfn = bad |
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513 |
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514 m = ctx.match(pats, opts.get('include'), opts.get('exclude'), |
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515 default, listsubrepos=opts.get('subrepos'), badfn=badfn) |
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516 |
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517 if m.always(): |
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518 pats = [] |
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519 return m, pats |
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520 |
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521 def match(ctx, pats=(), opts=None, globbed=False, default='relpath', |
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522 badfn=None): |
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523 '''Return a matcher that will warn about bad matches.''' |
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524 return matchandpats(ctx, pats, opts, globbed, default, badfn=badfn)[0] |
14320 | 525 |
526 def matchall(repo): | |
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527 '''Return a matcher that will efficiently match everything.''' |
14320 | 528 return matchmod.always(repo.root, repo.getcwd()) |
529 | |
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530 def matchfiles(repo, files, badfn=None): |
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531 '''Return a matcher that will efficiently match exactly these files.''' |
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532 return matchmod.exact(repo.root, repo.getcwd(), files, badfn=badfn) |
14320 | 533 |
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534 def origpath(ui, repo, filepath): |
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535 '''customize where .orig files are created |
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536 |
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537 Fetch user defined path from config file: [ui] origbackuppath = <path> |
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538 Fall back to default (filepath) if not specified |
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539 ''' |
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540 origbackuppath = ui.config('ui', 'origbackuppath', None) |
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541 if origbackuppath is None: |
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542 return filepath + ".orig" |
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543 |
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544 filepathfromroot = os.path.relpath(filepath, start=repo.root) |
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545 fullorigpath = repo.wjoin(origbackuppath, filepathfromroot) |
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546 |
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547 origbackupdir = repo.vfs.dirname(fullorigpath) |
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548 if not repo.vfs.exists(origbackupdir): |
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549 ui.note(_('creating directory: %s\n') % origbackupdir) |
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550 util.makedirs(origbackupdir) |
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551 |
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552 return fullorigpath + ".orig" |
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553 |
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554 def addremove(repo, matcher, prefix, opts=None, dry_run=None, similarity=None): |
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555 if opts is None: |
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556 opts = {} |
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557 m = matcher |
14320 | 558 if dry_run is None: |
559 dry_run = opts.get('dry_run') | |
560 if similarity is None: | |
561 similarity = float(opts.get('similarity') or 0) | |
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562 |
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563 ret = 0 |
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564 join = lambda f: os.path.join(prefix, f) |
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565 |
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566 wctx = repo[None] |
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567 for subpath in sorted(wctx.substate): |
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|
568 submatch = matchmod.subdirmatcher(subpath, m) |
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569 if opts.get('subrepos') or m.exact(subpath) or any(submatch.files()): |
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570 sub = wctx.sub(subpath) |
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571 try: |
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572 if sub.addremove(submatch, prefix, opts, dry_run, similarity): |
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573 ret = 1 |
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574 except error.LookupError: |
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575 repo.ui.status(_("skipping missing subrepository: %s\n") |
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576 % join(subpath)) |
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577 |
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578 rejected = [] |
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579 def badfn(f, msg): |
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580 if f in m.files(): |
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581 m.bad(f, msg) |
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582 rejected.append(f) |
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583 |
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584 badmatch = matchmod.badmatch(m, badfn) |
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585 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, |
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586 badmatch) |
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587 |
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588 unknownset = set(unknown + forgotten) |
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589 toprint = unknownset.copy() |
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590 toprint.update(deleted) |
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591 for abs in sorted(toprint): |
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592 if repo.ui.verbose or not m.exact(abs): |
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593 if abs in unknownset: |
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594 status = _('adding %s\n') % m.uipath(abs) |
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595 else: |
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596 status = _('removing %s\n') % m.uipath(abs) |
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597 repo.ui.status(status) |
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598 |
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599 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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600 similarity) |
14320 | 601 |
602 if not dry_run: | |
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603 _markchanges(repo, unknown + forgotten, deleted, renames) |
14320 | 604 |
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605 for f in rejected: |
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606 if f in m.files(): |
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607 return 1 |
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608 return ret |
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609 |
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610 def marktouched(repo, files, similarity=0.0): |
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611 '''Assert that files have somehow been operated upon. files are relative to |
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612 the repo root.''' |
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613 m = matchfiles(repo, files, badfn=lambda x, y: rejected.append(x)) |
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614 rejected = [] |
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615 |
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616 added, unknown, deleted, removed, forgotten = _interestingfiles(repo, m) |
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617 |
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618 if repo.ui.verbose: |
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619 unknownset = set(unknown + forgotten) |
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620 toprint = unknownset.copy() |
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621 toprint.update(deleted) |
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622 for abs in sorted(toprint): |
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623 if abs in unknownset: |
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624 status = _('adding %s\n') % abs |
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625 else: |
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626 status = _('removing %s\n') % abs |
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627 repo.ui.status(status) |
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628 |
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629 renames = _findrenames(repo, m, added + unknown, removed + deleted, |
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630 similarity) |
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631 |
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632 _markchanges(repo, unknown + forgotten, deleted, renames) |
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633 |
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634 for f in rejected: |
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635 if f in m.files(): |
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636 return 1 |
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637 return 0 |
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638 |
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639 def _interestingfiles(repo, matcher): |
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640 '''Walk dirstate with matcher, looking for files that addremove would care |
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641 about. |
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642 |
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643 This is different from dirstate.status because it doesn't care about |
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644 whether files are modified or clean.''' |
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645 added, unknown, deleted, removed, forgotten = [], [], [], [], [] |
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646 audit_path = pathutil.pathauditor(repo.root) |
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647 |
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648 ctx = repo[None] |
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649 dirstate = repo.dirstate |
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650 walkresults = dirstate.walk(matcher, sorted(ctx.substate), True, False, |
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651 full=False) |
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652 for abs, st in walkresults.iteritems(): |
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653 dstate = dirstate[abs] |
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654 if dstate == '?' and audit_path.check(abs): |
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655 unknown.append(abs) |
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656 elif dstate != 'r' and not st: |
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657 deleted.append(abs) |
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658 elif dstate == 'r' and st: |
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659 forgotten.append(abs) |
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660 # for finding renames |
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661 elif dstate == 'r' and not st: |
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662 removed.append(abs) |
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663 elif dstate == 'a': |
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664 added.append(abs) |
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665 |
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666 return added, unknown, deleted, removed, forgotten |
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667 |
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668 def _findrenames(repo, matcher, added, removed, similarity): |
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669 '''Find renames from removed files to added ones.''' |
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670 renames = {} |
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671 if similarity > 0: |
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672 for old, new, score in similar.findrenames(repo, added, removed, |
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673 similarity): |
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674 if (repo.ui.verbose or not matcher.exact(old) |
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675 or not matcher.exact(new)): |
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676 repo.ui.status(_('recording removal of %s as rename to %s ' |
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677 '(%d%% similar)\n') % |
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678 (matcher.rel(old), matcher.rel(new), |
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679 score * 100)) |
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680 renames[new] = old |
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681 return renames |
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682 |
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683 def _markchanges(repo, unknown, deleted, renames): |
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684 '''Marks the files in unknown as added, the files in deleted as removed, |
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685 and the files in renames as copied.''' |
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686 wctx = repo[None] |
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687 with repo.wlock(): |
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688 wctx.forget(deleted) |
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689 wctx.add(unknown) |
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690 for new, old in renames.iteritems(): |
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691 wctx.copy(old, new) |
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692 |
14320 | 693 def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None): |
694 """Update the dirstate to reflect the intent of copying src to dst. For | |
695 different reasons it might not end with dst being marked as copied from src. | |
696 """ | |
697 origsrc = repo.dirstate.copied(src) or src | |
698 if dst == origsrc: # copying back a copy? | |
699 if repo.dirstate[dst] not in 'mn' and not dryrun: | |
700 repo.dirstate.normallookup(dst) | |
701 else: | |
702 if repo.dirstate[origsrc] == 'a' and origsrc == src: | |
703 if not ui.quiet: | |
704 ui.warn(_("%s has not been committed yet, so no copy " | |
705 "data will be stored for %s.\n") | |
706 % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd))) | |
707 if repo.dirstate[dst] in '?r' and not dryrun: | |
708 wctx.add([dst]) | |
709 elif not dryrun: | |
710 wctx.copy(origsrc, dst) | |
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711 |
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712 def readrequires(opener, supported): |
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713 '''Reads and parses .hg/requires and checks if all entries found |
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diff
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|
714 are in the list of supported features.''' |
58b36e9ea783
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diff
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|
715 requirements = set(opener.read("requires").splitlines()) |
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72e4fcb43227
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diff
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|
716 missings = [] |
14482
58b36e9ea783
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diff
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|
717 for r in requirements: |
58b36e9ea783
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diff
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|
718 if r not in supported: |
14484
4582a4dd1817
requires: note apparent corruption
Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
719 if not r or not r[0].isalnum(): |
4582a4dd1817
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Matt Mackall <mpm@selenic.com>
parents:
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diff
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|
720 raise error.RequirementError(_(".hg/requires file is corrupt")) |
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parents:
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diff
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|
721 missings.append(r) |
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|
722 missings.sort() |
72e4fcb43227
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diff
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|
723 if missings: |
16683 | 724 raise error.RequirementError( |
20820
f8e531a3a77c
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
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|
725 _("repository requires features unknown to this Mercurial: %s") |
f8e531a3a77c
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Mads Kiilerich <madski@unity3d.com>
parents:
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diff
changeset
|
726 % " ".join(missings), |
26421
4b0fc75f9403
urls: bulk-change primary website URLs
Matt Mackall <mpm@selenic.com>
parents:
26329
diff
changeset
|
727 hint=_("see https://mercurial-scm.org/wiki/MissingRequirement" |
20820
f8e531a3a77c
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parents:
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diff
changeset
|
728 " for more information")) |
14482
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diff
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|
729 return requirements |
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parents:
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diff
changeset
|
730 |
24934
5abd0a76bc8f
requires: move requires file writing func from localrepo to scmutil
Drew Gottlieb <drgott@google.com>
parents:
24755
diff
changeset
|
731 def writerequires(opener, requirements): |
27706
22e362da27cf
scmutil: use context managers for file handles
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parents:
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diff
changeset
|
732 with opener('requires', 'w') as fp: |
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parents:
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diff
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|
733 for r in sorted(requirements): |
22e362da27cf
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parents:
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diff
changeset
|
734 fp.write("%s\n" % r) |
24934
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requires: move requires file writing func from localrepo to scmutil
Drew Gottlieb <drgott@google.com>
parents:
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diff
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|
735 |
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parents:
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diff
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|
736 class filecachesubentry(object): |
20042
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Siddharth Agarwal <sid0@fb.com>
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|
737 def __init__(self, path, stat): |
14928
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738 self.path = path |
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739 self.cachestat = None |
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740 self._cacheable = None |
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741 |
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742 if stat: |
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|
743 self.cachestat = filecachesubentry.stat(self.path) |
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744 |
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|
745 if self.cachestat: |
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|
746 self._cacheable = self.cachestat.cacheable() |
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747 else: |
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|
748 # None means we don't know yet |
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|
749 self._cacheable = None |
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|
750 |
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|
751 def refresh(self): |
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|
752 if self.cacheable(): |
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|
753 self.cachestat = filecachesubentry.stat(self.path) |
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|
754 |
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|
755 def cacheable(self): |
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756 if self._cacheable is not None: |
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|
757 return self._cacheable |
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|
758 |
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parents:
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changeset
|
759 # we don't know yet, assume it is for now |
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parents:
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|
760 return True |
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|
761 |
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|
762 def changed(self): |
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763 # no point in going further if we can't cache it |
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|
764 if not self.cacheable(): |
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changeset
|
765 return True |
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diff
changeset
|
766 |
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parents:
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diff
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|
767 newstat = filecachesubentry.stat(self.path) |
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|
768 |
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parents:
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changeset
|
769 # we may not know if it's cacheable yet, check again now |
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770 if newstat and self._cacheable is None: |
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parents:
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771 self._cacheable = newstat.cacheable() |
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|
772 |
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|
773 # check again |
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|
774 if not self._cacheable: |
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|
775 return True |
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|
776 |
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|
777 if self.cachestat != newstat: |
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|
778 self.cachestat = newstat |
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|
779 return True |
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|
780 else: |
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diff
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|
781 return False |
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|
782 |
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|
783 @staticmethod |
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|
784 def stat(path): |
dca59d5be12d
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diff
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|
785 try: |
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changeset
|
786 return util.cachestat(path) |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
787 except OSError as e: |
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parents:
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|
788 if e.errno != errno.ENOENT: |
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|
789 raise |
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diff
changeset
|
790 |
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|
791 class filecacheentry(object): |
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diff
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792 def __init__(self, paths, stat=True): |
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|
793 self._entries = [] |
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diff
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|
794 for path in paths: |
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|
795 self._entries.append(filecachesubentry(path, stat)) |
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diff
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|
796 |
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changeset
|
797 def changed(self): |
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|
798 '''true if any entry has changed''' |
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|
799 for entry in self._entries: |
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parents:
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800 if entry.changed(): |
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|
801 return True |
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|
802 return False |
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diff
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|
803 |
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|
804 def refresh(self): |
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|
805 for entry in self._entries: |
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diff
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|
806 entry.refresh() |
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|
807 |
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|
808 class filecache(object): |
20045
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Siddharth Agarwal <sid0@fb.com>
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diff
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|
809 '''A property like decorator that tracks files under .hg/ for updates. |
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|
810 |
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|
811 Records stat info when called in _filecache. |
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|
812 |
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|
813 On subsequent calls, compares old stat info with new info, and recreates the |
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814 object when any of the files changes, updating the new stat info in |
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|
815 _filecache. |
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816 |
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|
817 Mercurial either atomic renames or appends for files under .hg, |
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diff
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|
818 so to ensure the cache is reliable we need the filesystem to be able |
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|
819 to tell us if a file has been replaced. If it can't, we fallback to |
26098 | 820 recreating the object on every call (essentially the same behavior as |
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|
821 propertycache). |
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822 |
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823 ''' |
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824 def __init__(self, *paths): |
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825 self.paths = paths |
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826 |
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|
827 def join(self, obj, fname): |
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828 """Used to compute the runtime path of a cached file. |
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829 |
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830 Users should subclass filecache and provide their own version of this |
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|
831 function to call the appropriate join function on 'obj' (an instance |
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|
832 of the class that its member function was decorated). |
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diff
changeset
|
833 """ |
31285
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parents:
31217
diff
changeset
|
834 raise NotImplementedError |
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835 |
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836 def __call__(self, func): |
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837 self.func = func |
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838 self.name = func.__name__.encode('ascii') |
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839 return self |
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840 |
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841 def __get__(self, obj, type=None): |
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842 # if accessed on the class, return the descriptor itself. |
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843 if obj is None: |
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844 return self |
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845 # do we need to check if the file changed? |
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846 if self.name in obj.__dict__: |
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847 assert self.name in obj._filecache, self.name |
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848 return obj.__dict__[self.name] |
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849 |
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850 entry = obj._filecache.get(self.name) |
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851 |
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852 if entry: |
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853 if entry.changed(): |
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854 entry.obj = self.func(obj) |
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855 else: |
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856 paths = [self.join(obj, path) for path in self.paths] |
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857 |
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858 # We stat -before- creating the object so our cache doesn't lie if |
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859 # a writer modified between the time we read and stat |
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860 entry = filecacheentry(paths, True) |
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861 entry.obj = self.func(obj) |
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862 |
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863 obj._filecache[self.name] = entry |
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864 |
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865 obj.__dict__[self.name] = entry.obj |
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866 return entry.obj |
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867 |
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868 def __set__(self, obj, value): |
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869 if self.name not in obj._filecache: |
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870 # we add an entry for the missing value because X in __dict__ |
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871 # implies X in _filecache |
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872 paths = [self.join(obj, path) for path in self.paths] |
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873 ce = filecacheentry(paths, False) |
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874 obj._filecache[self.name] = ce |
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875 else: |
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876 ce = obj._filecache[self.name] |
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877 |
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|
878 ce.obj = value # update cached copy |
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879 obj.__dict__[self.name] = value # update copy returned by obj.x |
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880 |
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881 def __delete__(self, obj): |
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882 try: |
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883 del obj.__dict__[self.name] |
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884 except KeyError: |
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|
885 raise AttributeError(self.name) |
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886 |
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887 def _locksub(repo, lock, envvar, cmd, environ=None, *args, **kwargs): |
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888 if lock is None: |
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889 raise error.LockInheritanceContractViolation( |
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890 'lock can only be inherited while held') |
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891 if environ is None: |
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892 environ = {} |
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893 with lock.inherit() as locker: |
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894 environ[envvar] = locker |
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895 return repo.ui.system(cmd, environ=environ, *args, **kwargs) |
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|
896 |
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|
897 def wlocksub(repo, cmd, *args, **kwargs): |
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898 """run cmd as a subprocess that allows inheriting repo's wlock |
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899 |
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900 This can only be called while the wlock is held. This takes all the |
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|
901 arguments that ui.system does, and returns the exit code of the |
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902 subprocess.""" |
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|
903 return _locksub(repo, repo.currentwlock(), 'HG_WLOCK_LOCKER', cmd, *args, |
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904 **kwargs) |
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905 |
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|
906 def gdinitconfig(ui): |
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|
907 """helper function to know if a repo should be created as general delta |
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|
908 """ |
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diff
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|
909 # experimental config: format.generaldelta |
dfab6edb98e3
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diff
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|
910 return (ui.configbool('format', 'generaldelta', False) |
27093
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parents:
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diff
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|
911 or ui.configbool('format', 'usegeneraldelta', True)) |
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|
912 |
26907
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parents:
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diff
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|
913 def gddeltaconfig(ui): |
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|
914 """helper function to know if incoming delta should be optimised |
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|
915 """ |
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|
916 # experimental config: format.generaldelta |
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|
917 return ui.configbool('format', 'generaldelta', False) |
31553
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|
918 |
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|
919 class simplekeyvaluefile(object): |
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|
920 """A simple file with key=value lines |
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921 |
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922 Keys must be alphanumerics and start with a letter, values must not |
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923 contain '\n' characters""" |
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|
924 |
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|
925 def __init__(self, vfs, path, keys=None): |
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|
926 self.vfs = vfs |
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927 self.path = path |
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928 |
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929 def read(self): |
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930 lines = self.vfs.readlines(self.path) |
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|
931 try: |
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|
932 d = dict(line[:-1].split('=', 1) for line in lines if line) |
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933 except ValueError as e: |
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|
934 raise error.CorruptedState(str(e)) |
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|
935 return d |
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|
936 |
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|
937 def write(self, data): |
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938 """Write key=>value mapping to a file |
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939 data is a dict. Keys must be alphanumerical and start with a letter. |
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|
940 Values must not contain newline characters.""" |
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|
941 lines = [] |
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diff
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|
942 for k, v in data.items(): |
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|
943 if not k[0].isalpha(): |
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|
944 e = "keys must start with a letter in a key-value file" |
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diff
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|
945 raise error.ProgrammingError(e) |
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946 if not k.isalnum(): |
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947 e = "invalid key name in a simple key-value file" |
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scmutil: add a simple key-value file helper
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948 raise error.ProgrammingError(e) |
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scmutil: add a simple key-value file helper
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949 if '\n' in v: |
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scmutil: add a simple key-value file helper
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950 e = "invalid value in a simple key-value file" |
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951 raise error.ProgrammingError(e) |
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Kostia Balytskyi <ikostia@fb.com>
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952 lines.append("%s=%s\n" % (k, v)) |
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953 with self.vfs(self.path, mode='wb', atomictemp=True) as fp: |
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scmutil: add a simple key-value file helper
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954 fp.write(''.join(lines)) |