Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/hg.py @ 2811:4f7abf341cd4
fetch: fix breakage from mpm.
add test so will not break again.
author | Vadim Gelfer <vadim.gelfer@gmail.com> |
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date | Tue, 08 Aug 2006 16:09:26 -0700 |
parents | fdc232d8a193 |
children | 49988d9f0758 |
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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 |
1089 | 8 from node import * |
9 from repo import * | |
262 | 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 merge") |
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14 |
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15 def _local(path): |
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16 return (os.path.isfile(path and util.drop_scheme('file', path)) and |
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17 bundlerepo or localrepo) |
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18 |
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19 schemes = { |
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20 'bundle': bundlerepo, |
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21 'file': _local, |
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22 'hg': httprepo, |
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23 'http': httprepo, |
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24 'https': httprepo, |
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25 'old-http': statichttprepo, |
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26 'ssh': sshrepo, |
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27 'static-http': statichttprepo, |
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28 } |
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29 |
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30 def _lookup(path): |
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31 scheme = 'file' |
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32 if path: |
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33 c = path.find(':') |
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34 if c > 0: |
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35 scheme = path[:c] |
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36 thing = schemes.get(scheme) or schemes['file'] |
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37 try: |
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38 return thing(path) |
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39 except TypeError: |
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40 return thing |
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41 |
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42 def islocal(repo): |
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43 '''return true if repo or path is local''' |
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44 if isinstance(repo, str): |
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45 try: |
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46 return _lookup(repo).islocal(repo) |
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47 except AttributeError: |
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48 return False |
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49 return repo.local() |
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50 |
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51 def repository(ui, path=None, create=False): |
2798 | 52 """return a repository object for the specified path""" |
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53 return _lookup(path).instance(ui, path, create) |
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54 |
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55 def defaultdest(source): |
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56 '''return default destination of clone if none is given''' |
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57 return os.path.basename(os.path.normpath(source)) |
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59 def clone(ui, source, dest=None, pull=False, rev=None, update=True, |
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60 stream=False): |
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61 """Make a copy of an existing repository. |
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62 |
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63 Create a copy of an existing repository in a new directory. The |
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64 source and destination are URLs, as passed to the repository |
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65 function. Returns a pair of repository objects, the source and |
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66 newly created destination. |
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67 |
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68 The location of the source is added to the new repository's |
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69 .hg/hgrc file, as the default to be used for future pulls and |
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70 pushes. |
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71 |
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72 If an exception is raised, the partly cloned/updated destination |
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73 repository will be deleted. |
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74 |
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75 Arguments: |
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76 |
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77 source: repository object or URL |
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78 |
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79 dest: URL of destination repository to create (defaults to base |
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80 name of source repository) |
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81 |
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82 pull: always pull from source repository, even in local case |
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83 |
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84 stream: stream raw data uncompressed from repository (fast over |
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85 LAN, slow over WAN) |
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86 |
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87 rev: revision to clone up to (implies pull=True) |
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88 |
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89 update: update working directory after clone completes, if |
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90 destination is local repository |
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91 """ |
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92 if isinstance(source, str): |
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93 src_repo = repository(ui, source) |
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94 else: |
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95 src_repo = source |
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96 source = src_repo.url() |
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97 |
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98 if dest is None: |
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99 dest = defaultdest(source) |
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100 |
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101 def localpath(path): |
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102 if path.startswith('file://'): |
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103 return path[7:] |
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104 if path.startswith('file:'): |
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105 return path[5:] |
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106 return path |
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107 |
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108 dest = localpath(dest) |
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109 source = localpath(source) |
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110 |
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111 if os.path.exists(dest): |
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112 raise util.Abort(_("destination '%s' already exists"), dest) |
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113 |
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114 class DirCleanup(object): |
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115 def __init__(self, dir_): |
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116 self.rmtree = shutil.rmtree |
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117 self.dir_ = dir_ |
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118 def close(self): |
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119 self.dir_ = None |
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120 def __del__(self): |
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121 if self.dir_: |
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122 self.rmtree(self.dir_, True) |
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123 |
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124 dest_repo = None |
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125 try: |
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126 dest_repo = repository(ui, dest) |
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127 raise util.Abort(_("destination '%s' already exists." % dest)) |
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128 except RepoError: |
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129 dest_repo = repository(ui, dest, create=True) |
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130 |
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131 dest_path = None |
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132 dir_cleanup = None |
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133 if dest_repo.local(): |
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134 dest_path = os.path.realpath(dest_repo.root) |
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135 dir_cleanup = DirCleanup(dest_path) |
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136 |
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137 abspath = source |
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138 copy = False |
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139 if src_repo.local() and dest_repo.local(): |
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140 abspath = os.path.abspath(source) |
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141 copy = not pull and not rev |
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142 |
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143 src_lock, dest_lock = None, None |
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144 if copy: |
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145 try: |
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146 # we use a lock here because if we race with commit, we |
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147 # can end up with extra data in the cloned revlogs that's |
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148 # not pointed to by changesets, thus causing verify to |
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149 # fail |
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150 src_lock = src_repo.lock() |
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151 except lock.LockException: |
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152 copy = False |
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153 |
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154 if copy: |
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155 # we lock here to avoid premature writing to the target |
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156 dest_lock = lock.lock(os.path.join(dest_path, ".hg", "lock")) |
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157 |
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158 # we need to remove the (empty) data dir in dest so copyfiles |
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159 # can do its work |
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160 os.rmdir(os.path.join(dest_path, ".hg", "data")) |
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161 files = "data 00manifest.d 00manifest.i 00changelog.d 00changelog.i" |
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162 for f in files.split(): |
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163 src = os.path.join(source, ".hg", f) |
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164 dst = os.path.join(dest_path, ".hg", f) |
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165 try: |
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166 util.copyfiles(src, dst) |
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167 except OSError, inst: |
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168 if inst.errno != errno.ENOENT: |
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169 raise |
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170 |
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171 # we need to re-init the repo after manually copying the data |
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172 # into it |
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173 dest_repo = repository(ui, dest) |
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174 |
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175 else: |
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176 revs = None |
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177 if rev: |
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178 if not src_repo.local(): |
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179 raise util.Abort(_("clone by revision not supported yet " |
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180 "for remote repositories")) |
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181 revs = [src_repo.lookup(r) for r in rev] |
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182 |
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183 if dest_repo.local(): |
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184 dest_repo.clone(src_repo, heads=revs, stream=stream) |
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185 elif src_repo.local(): |
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186 src_repo.push(dest_repo, revs=revs) |
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187 else: |
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188 raise util.Abort(_("clone from remote to remote not supported")) |
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189 |
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190 if src_lock: |
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191 src_lock.release() |
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192 |
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193 if dest_repo.local(): |
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194 fp = dest_repo.opener("hgrc", "w", text=True) |
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195 fp.write("[paths]\n") |
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196 fp.write("default = %s\n" % abspath) |
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197 fp.close() |
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198 |
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199 if dest_lock: |
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200 dest_lock.release() |
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201 |
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202 if update: |
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203 merge.update(dest_repo, dest_repo.changelog.tip()) |
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204 if dir_cleanup: |
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205 dir_cleanup.close() |
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206 |
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207 return src_repo, dest_repo |
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208 |
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209 |
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210 # This should instead be several functions with short arglists, like |
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211 # update/merge/revert |
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212 |
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213 def update(repo, node, allow=False, force=False, choose=None, |
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214 moddirstate=True, forcemerge=False, wlock=None, show_stats=True, |
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215 remind=True): |
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216 return merge.update(repo, node, allow, force, choose, moddirstate, |
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217 forcemerge, wlock, show_stats, remind) |
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219 def verify(repo): | |
220 """verify the consistency of a repository""" | |
221 import verify as _verify | |
222 return _verify.verify(repo) |