Mercurial > hg
annotate mercurial/hg.py @ 8744:6b675c781c6d
merge: simplify 'other deleted' case
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 08 Jun 2009 18:14:44 -0500 |
parents | 2c097e22492c |
children | 971e38a9344b |
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1 # hg.py - repository classes for mercurial |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
2859 | 4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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5 # |
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6 # This software may be used and distributed according to the terms of the |
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7 # GNU General Public License version 2, incorporated herein by reference. |
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8 |
3891 | 9 from i18n import _ |
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10 from lock import release |
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11 import localrepo, bundlerepo, httprepo, sshrepo, statichttprepo |
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12 import lock, util, extensions, error |
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13 import merge as _merge |
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14 import verify as _verify |
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15 import errno, os, shutil |
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16 |
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17 def _local(path): |
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18 return (os.path.isfile(util.drop_scheme('file', path)) and |
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19 bundlerepo or localrepo) |
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20 |
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21 def parseurl(url, revs=[]): |
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22 '''parse url#branch, returning url, branch + revs''' |
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23 |
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24 if '#' not in url: |
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25 return url, (revs or None), revs and revs[-1] or None |
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26 |
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27 url, branch = url.split('#', 1) |
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28 checkout = revs and revs[-1] or branch |
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29 return url, (revs or []) + [branch], checkout |
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30 |
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31 schemes = { |
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32 'bundle': bundlerepo, |
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33 'file': _local, |
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34 'http': httprepo, |
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35 'https': httprepo, |
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36 'ssh': sshrepo, |
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37 'static-http': statichttprepo, |
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38 } |
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39 |
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40 def _lookup(path): |
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41 scheme = 'file' |
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42 if path: |
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43 c = path.find(':') |
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44 if c > 0: |
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45 scheme = path[:c] |
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46 thing = schemes.get(scheme) or schemes['file'] |
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47 try: |
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48 return thing(path) |
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49 except TypeError: |
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50 return thing |
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51 |
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52 def islocal(repo): |
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53 '''return true if repo or path is local''' |
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54 if isinstance(repo, str): |
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55 try: |
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56 return _lookup(repo).islocal(repo) |
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57 except AttributeError: |
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58 return False |
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59 return repo.local() |
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60 |
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61 def repository(ui, path='', create=False): |
2774 | 62 """return a repository object for the specified path""" |
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63 repo = _lookup(path).instance(ui, path, create) |
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64 ui = getattr(repo, "ui", ui) |
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65 for name, module in extensions.extensions(): |
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66 hook = getattr(module, 'reposetup', None) |
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67 if hook: |
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68 hook(ui, repo) |
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69 return repo |
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70 |
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71 def defaultdest(source): |
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72 '''return default destination of clone if none is given''' |
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73 return os.path.basename(os.path.normpath(source)) |
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75 def localpath(path): |
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76 if path.startswith('file://localhost/'): |
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77 return path[16:] |
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78 if path.startswith('file://'): |
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79 return path[7:] |
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80 if path.startswith('file:'): |
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81 return path[5:] |
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82 return path |
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83 |
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84 def clone(ui, source, dest=None, pull=False, rev=None, update=True, |
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85 stream=False): |
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86 """Make a copy of an existing repository. |
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87 |
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88 Create a copy of an existing repository in a new directory. The |
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89 source and destination are URLs, as passed to the repository |
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90 function. Returns a pair of repository objects, the source and |
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91 newly created destination. |
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92 |
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93 The location of the source is added to the new repository's |
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94 .hg/hgrc file, as the default to be used for future pulls and |
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95 pushes. |
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96 |
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97 If an exception is raised, the partly cloned/updated destination |
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98 repository will be deleted. |
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99 |
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100 Arguments: |
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101 |
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102 source: repository object or URL |
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103 |
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104 dest: URL of destination repository to create (defaults to base |
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105 name of source repository) |
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106 |
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107 pull: always pull from source repository, even in local case |
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108 |
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109 stream: stream raw data uncompressed from repository (fast over |
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110 LAN, slow over WAN) |
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111 |
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112 rev: revision to clone up to (implies pull=True) |
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113 |
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114 update: update working directory after clone completes, if |
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115 destination is local repository (True means update to default rev, |
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116 anything else is treated as a revision) |
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117 """ |
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118 |
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119 if isinstance(source, str): |
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120 origsource = ui.expandpath(source) |
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121 source, rev, checkout = parseurl(origsource, rev) |
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122 src_repo = repository(ui, source) |
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123 else: |
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124 src_repo = source |
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125 origsource = source = src_repo.url() |
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126 checkout = rev and rev[-1] or None |
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127 |
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128 if dest is None: |
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129 dest = defaultdest(source) |
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130 ui.status(_("destination directory: %s\n") % dest) |
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131 |
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132 dest = localpath(dest) |
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133 source = localpath(source) |
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134 |
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135 if os.path.exists(dest): |
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136 if not os.path.isdir(dest): |
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137 raise util.Abort(_("destination '%s' already exists") % dest) |
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138 elif os.listdir(dest): |
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139 raise util.Abort(_("destination '%s' is not empty") % dest) |
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140 |
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141 class DirCleanup(object): |
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142 def __init__(self, dir_): |
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143 self.rmtree = shutil.rmtree |
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144 self.dir_ = dir_ |
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145 def close(self): |
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146 self.dir_ = None |
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147 def cleanup(self): |
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148 if self.dir_: |
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149 self.rmtree(self.dir_, True) |
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150 |
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151 src_lock = dest_lock = dir_cleanup = None |
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152 try: |
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153 if islocal(dest): |
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154 dir_cleanup = DirCleanup(dest) |
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155 |
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156 abspath = origsource |
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157 copy = False |
6315 | 158 if src_repo.cancopy() and islocal(dest): |
5248 | 159 abspath = os.path.abspath(util.drop_scheme('file', origsource)) |
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160 copy = not pull and not rev |
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161 |
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162 if copy: |
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163 try: |
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164 # we use a lock here because if we race with commit, we |
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165 # can end up with extra data in the cloned revlogs that's |
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166 # not pointed to by changesets, thus causing verify to |
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167 # fail |
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168 src_lock = src_repo.lock(wait=False) |
7640 | 169 except error.LockError: |
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170 copy = False |
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171 |
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172 if copy: |
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173 hgdir = os.path.realpath(os.path.join(dest, ".hg")) |
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174 if not os.path.exists(dest): |
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175 os.mkdir(dest) |
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176 else: |
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177 # only clean up directories we create ourselves |
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178 dir_cleanup.dir_ = hgdir |
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179 try: |
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180 dest_path = hgdir |
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181 os.mkdir(dest_path) |
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182 except OSError, inst: |
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183 if inst.errno == errno.EEXIST: |
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184 dir_cleanup.close() |
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185 raise util.Abort(_("destination '%s' already exists") |
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186 % dest) |
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187 raise |
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188 |
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189 for f in src_repo.store.copylist(): |
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190 src = os.path.join(src_repo.path, f) |
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191 dst = os.path.join(dest_path, f) |
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192 dstbase = os.path.dirname(dst) |
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193 if dstbase and not os.path.exists(dstbase): |
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194 os.mkdir(dstbase) |
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195 if os.path.exists(src): |
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196 if dst.endswith('data'): |
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197 # lock to avoid premature writing to the target |
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198 dest_lock = lock.lock(os.path.join(dstbase, "lock")) |
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199 util.copyfiles(src, dst) |
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200 |
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201 # we need to re-init the repo after manually copying the data |
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202 # into it |
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203 dest_repo = repository(ui, dest) |
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204 |
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205 else: |
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206 try: |
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207 dest_repo = repository(ui, dest, create=True) |
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208 except OSError, inst: |
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209 if inst.errno == errno.EEXIST: |
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210 dir_cleanup.close() |
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211 raise util.Abort(_("destination '%s' already exists") |
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212 % dest) |
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213 raise |
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214 |
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215 revs = None |
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216 if rev: |
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217 if 'lookup' not in src_repo.capabilities: |
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218 raise util.Abort(_("src repository does not support revision " |
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219 "lookup and so doesn't support clone by " |
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220 "revision")) |
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221 revs = [src_repo.lookup(r) for r in rev] |
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222 checkout = revs[0] |
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223 if dest_repo.local(): |
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224 dest_repo.clone(src_repo, heads=revs, stream=stream) |
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225 elif src_repo.local(): |
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226 src_repo.push(dest_repo, revs=revs) |
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227 else: |
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228 raise util.Abort(_("clone from remote to remote not supported")) |
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229 |
5186 | 230 if dir_cleanup: |
231 dir_cleanup.close() | |
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232 |
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233 if dest_repo.local(): |
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234 fp = dest_repo.opener("hgrc", "w", text=True) |
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235 fp.write("[paths]\n") |
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236 fp.write("default = %s\n" % abspath) |
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237 fp.close() |
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238 |
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239 if update: |
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240 dest_repo.ui.status(_("updating working directory\n")) |
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241 if update is not True: |
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242 checkout = update |
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243 for test in (checkout, 'default', 'tip'): |
5248 | 244 try: |
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245 uprev = dest_repo.lookup(test) |
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246 break |
5248 | 247 except: |
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248 continue |
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249 _update(dest_repo, uprev) |
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250 |
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251 return src_repo, dest_repo |
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252 finally: |
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253 release(src_lock, dest_lock) |
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254 if dir_cleanup is not None: |
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255 dir_cleanup.cleanup() |
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256 |
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257 def _showstats(repo, stats): |
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258 stats = ((stats[0], _("updated")), |
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259 (stats[1], _("merged")), |
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260 (stats[2], _("removed")), |
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261 (stats[3], _("unresolved"))) |
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262 note = ", ".join([_("%d files %s") % s for s in stats]) |
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263 repo.ui.status("%s\n" % note) |
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264 |
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265 def update(repo, node): |
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266 """update the working directory to node, merging linear changes""" |
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267 stats = _merge.update(repo, node, False, False, None) |
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268 _showstats(repo, stats) |
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269 if stats[3]: |
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271 return stats[3] > 0 |
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272 |
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273 # naming conflict in clone() |
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274 _update = update |
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275 |
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276 def clean(repo, node, show_stats=True): |
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277 """forcibly switch the working directory to node, clobbering changes""" |
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278 stats = _merge.update(repo, node, False, True, None) |
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279 if show_stats: _showstats(repo, stats) |
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280 return stats[3] > 0 |
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281 |
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282 def merge(repo, node, force=None, remind=True): |
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283 """branch merge with node, resolving changes""" |
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284 stats = _merge.update(repo, node, True, force, False) |
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285 _showstats(repo, stats) |
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286 if stats[3]: |
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287 repo.ui.status(_("use 'hg resolve' to retry unresolved file merges " |
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288 "or 'hg up --clean' to abandon\n")) |
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289 elif remind: |
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290 repo.ui.status(_("(branch merge, don't forget to commit)\n")) |
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291 return stats[3] > 0 |
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292 |
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293 def revert(repo, node, choose): |
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294 """revert changes to revision in node without updating dirstate""" |
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295 return _merge.update(repo, node, False, True, choose)[3] > 0 |
2778 | 296 |
297 def verify(repo): | |
298 """verify the consistency of a repository""" | |
299 return _verify.verify(repo) |