Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 2732:42a02b5773d4

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import: allow application/x-patch for funny patch from christian ebert
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Sun, 30 Jul 2006 21:24:06 -0700
parents 532809ba1db5
children 400a4a502001
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1 # hg.py - repository classes for mercurial
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2 #
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3 # Copyright 2005 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
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from node import *
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9 from repo import *
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10 from demandload import *
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11 from i18n import gettext as _
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12 demandload(globals(), "localrepo bundlerepo httprepo sshrepo statichttprepo")
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13 demandload(globals(), "errno lock os shutil util")
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14
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15 def bundle(ui, path):
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16 if path.startswith('bundle://'):
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17 path = path[9:]
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18 else:
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19 path = path[7:]
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20 s = path.split("+", 1)
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21 if len(s) == 1:
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22 repopath, bundlename = "", s[0]
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23 else:
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24 repopath, bundlename = s
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25 return bundlerepo.bundlerepository(ui, repopath, bundlename)
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26
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27 def hg(ui, path):
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28 ui.warn(_("hg:// syntax is deprecated, please use http:// instead\n"))
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29 return httprepo.httprepository(ui, path.replace("hg://", "http://"))
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30
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31 def local_(ui, path, create=0):
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32 if path.startswith('file:'):
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33 path = path[5:]
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34 return localrepo.localrepository(ui, path, create)
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35
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36 def ssh_(ui, path, create=0):
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37 return sshrepo.sshrepository(ui, path, create)
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38
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39 def old_http(ui, path):
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40 ui.warn(_("old-http:// syntax is deprecated, "
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41 "please use static-http:// instead\n"))
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42 return statichttprepo.statichttprepository(
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43 ui, path.replace("old-http://", "http://"))
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44
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45 def static_http(ui, path):
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46 return statichttprepo.statichttprepository(
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47 ui, path.replace("static-http://", "http://"))
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48
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49 schemes = {
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50 'bundle': bundle,
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51 'file': local_,
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52 'hg': hg,
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53 'http': lambda ui, path: httprepo.httprepository(ui, path),
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54 'https': lambda ui, path: httprepo.httpsrepository(ui, path),
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55 'old-http': old_http,
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56 'ssh': ssh_,
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57 'static-http': static_http,
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58 }
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59
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60 remote_schemes = [
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61 'bundle',
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62 'hg',
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63 'http',
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64 'https',
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65 'old-http',
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66 'ssh',
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67 'static-http',
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68 ]
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69
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70 def islocal(repo):
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71 '''return true if repo or path is local'''
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72 if isinstance(repo, str):
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73 c = repo.find(':')
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74 return c <= 0 or repo[:c] not in remote_schemes
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75 return repo.local()
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76
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77 def repository(ui, path=None, create=0):
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78 scheme = None
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79 if path:
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80 c = path.find(':')
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81 if c > 0:
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82 scheme = schemes.get(path[:c])
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83 else:
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84 path = ''
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85 ctor = scheme or schemes['file']
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86 if create:
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87 try:
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88 return ctor(ui, path, create)
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89 except TypeError:
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90 raise util.Abort(_('cannot create new repository over "%s" protocol') %
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91 scheme)
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92 return ctor(ui, path)
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93
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94 def defaultdest(source):
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95 '''return default destination of clone if none is given'''
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96 return os.path.basename(os.path.normpath(source))
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97
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98 def clone(ui, source, dest=None, pull=False, rev=None, update=True,
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99 stream=False):
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100 """Make a copy of an existing repository.
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101
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102 Create a copy of an existing repository in a new directory. The
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103 source and destination are URLs, as passed to the repository
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104 function. Returns a pair of repository objects, the source and
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105 newly created destination.
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106
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107 The location of the source is added to the new repository's
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108 .hg/hgrc file, as the default to be used for future pulls and
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109 pushes.
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110
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111 If an exception is raised, the partly cloned/updated destination
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112 repository will be deleted.
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113
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114 Arguments:
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115
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116 source: repository object or URL
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117
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118 dest: URL of destination repository to create (defaults to base
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119 name of source repository)
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120
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121 pull: always pull from source repository, even in local case
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122
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123 stream: stream raw data uncompressed from repository (fast over
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124 LAN, slow over WAN)
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125
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126 rev: revision to clone up to (implies pull=True)
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127
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128 update: update working directory after clone completes, if
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129 destination is local repository
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130 """
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131 if isinstance(source, str):
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132 src_repo = repository(ui, source)
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133 else:
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134 src_repo = source
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135 source = src_repo.url()
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136
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137 if dest is None:
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138 dest = defaultdest(source)
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139
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140 def localpath(path):
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141 if path.startswith('file://'):
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142 return path[7:]
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143 if path.startswith('file:'):
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144 return path[5:]
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145 return path
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146
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147 dest = localpath(dest)
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148 source = localpath(source)
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149
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150 if os.path.exists(dest):
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151 raise util.Abort(_("destination '%s' already exists"), dest)
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152
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153 class DirCleanup(object):
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154 def __init__(self, dir_):
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155 self.rmtree = shutil.rmtree
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156 self.dir_ = dir_
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157 def close(self):
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158 self.dir_ = None
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159 def __del__(self):
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160 if self.dir_:
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161 self.rmtree(self.dir_, True)
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162
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163 dest_repo = None
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164 try:
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165 dest_repo = repository(ui, dest)
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166 raise util.Abort(_("destination '%s' already exists." % dest))
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167 except RepoError:
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168 dest_repo = repository(ui, dest, create=True)
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169
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170 dest_path = None
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171 dir_cleanup = None
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172 if dest_repo.local():
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173 dest_path = os.path.realpath(dest_repo.root)
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174 dir_cleanup = DirCleanup(dest_path)
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175
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176 abspath = source
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177 copy = False
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178 if src_repo.local() and dest_repo.local():
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179 abspath = os.path.abspath(source)
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180 copy = not pull and not rev
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181
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182 src_lock, dest_lock = None, None
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183 if copy:
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184 try:
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185 # we use a lock here because if we race with commit, we
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186 # can end up with extra data in the cloned revlogs that's
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187 # not pointed to by changesets, thus causing verify to
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188 # fail
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189 src_lock = src_repo.lock()
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190 except lock.LockException:
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191 copy = False
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192
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193 if copy:
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194 # we lock here to avoid premature writing to the target
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195 dest_lock = lock.lock(os.path.join(dest_path, ".hg", "lock"))
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196
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197 # we need to remove the (empty) data dir in dest so copyfiles
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198 # can do its work
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199 os.rmdir(os.path.join(dest_path, ".hg", "data"))
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200 files = "data 00manifest.d 00manifest.i 00changelog.d 00changelog.i"
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201 for f in files.split():
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202 src = os.path.join(source, ".hg", f)
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203 dst = os.path.join(dest_path, ".hg", f)
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204 try:
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205 util.copyfiles(src, dst)
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206 except OSError, inst:
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207 if inst.errno != errno.ENOENT:
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208 raise
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209
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210 # we need to re-init the repo after manually copying the data
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211 # into it
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212 dest_repo = repository(ui, dest)
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213
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214 else:
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215 revs = None
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216 if rev:
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217 if not src_repo.local():
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218 raise util.Abort(_("clone by revision not supported yet "
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219 "for remote repositories"))
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220 revs = [src_repo.lookup(r) for r in rev]
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221
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222 if dest_repo.local():
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223 dest_repo.clone(src_repo, heads=revs, stream=stream)
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224 elif src_repo.local():
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225 src_repo.push(dest_repo, revs=revs)
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226 else:
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227 raise util.Abort(_("clone from remote to remote not supported"))
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228
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229 if src_lock:
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230 src_lock.release()
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diff changeset
231
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diff changeset
232 if dest_repo.local():
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233 fp = dest_repo.opener("hgrc", "w", text=True)
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234 fp.write("[paths]\n")
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235 fp.write("default = %s\n" % abspath)
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236 fp.close()
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237
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238 if dest_lock:
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239 dest_lock.release()
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240
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241 if update:
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242 dest_repo.update(dest_repo.changelog.tip())
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diff changeset
243 if dir_cleanup:
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244 dir_cleanup.close()
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245
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246 return src_repo, dest_repo