Mercurial > hg
annotate mercurial/hg.py @ 12030:927d63be166b stable
context: mark string for translation
author | Martin Geisler <mg@lazybytes.net> |
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date | Wed, 25 Aug 2010 13:29:46 +0200 |
parents | b1ae33b813cb |
children | be9c4131a8f4 |
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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 |
10263 | 7 # GNU General Public License version 2 or any later version. |
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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, encoding, node |
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13 import merge as mergemod |
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14 import verify as verifymod |
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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 path = util.expandpath(util.drop_scheme('file', path)) |
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19 return (os.path.isfile(path) and bundlerepo or localrepo) |
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20 |
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21 def addbranchrevs(lrepo, repo, branches, revs): |
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22 hashbranch, branches = branches |
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23 if not hashbranch and not branches: |
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24 return revs or None, revs and revs[0] or None |
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25 revs = revs and list(revs) or [] |
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26 if not repo.capable('branchmap'): |
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27 if branches: |
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28 raise util.Abort(_("remote branch lookup not supported")) |
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29 revs.append(hashbranch) |
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30 return revs, revs[0] |
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31 branchmap = repo.branchmap() |
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32 |
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33 def primary(butf8): |
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34 if butf8 == '.': |
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35 if not lrepo or not lrepo.local(): |
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36 raise util.Abort(_("dirstate branch not accessible")) |
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37 butf8 = lrepo.dirstate.branch() |
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38 if butf8 in branchmap: |
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39 revs.extend(node.hex(r) for r in reversed(branchmap[butf8])) |
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40 return True |
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41 else: |
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42 return False |
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43 |
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44 for branch in branches: |
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45 butf8 = encoding.fromlocal(branch) |
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46 if not primary(butf8): |
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47 raise error.RepoLookupError(_("unknown branch '%s'") % branch) |
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48 if hashbranch: |
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49 butf8 = encoding.fromlocal(hashbranch) |
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50 if not primary(butf8): |
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51 revs.append(hashbranch) |
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52 return revs, revs[0] |
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53 |
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54 def parseurl(url, branches=None): |
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55 '''parse url#branch, returning (url, (branch, branches))''' |
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56 |
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57 if '#' not in url: |
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58 return url, (None, branches or []) |
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59 url, branch = url.split('#', 1) |
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60 return url, (branch, branches or []) |
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61 |
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62 schemes = { |
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63 'bundle': bundlerepo, |
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64 'file': _local, |
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65 'http': httprepo, |
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66 'https': httprepo, |
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67 'ssh': sshrepo, |
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68 'static-http': statichttprepo, |
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69 } |
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70 |
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71 def _lookup(path): |
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72 scheme = 'file' |
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73 if path: |
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74 c = path.find(':') |
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75 if c > 0: |
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76 scheme = path[:c] |
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77 thing = schemes.get(scheme) or schemes['file'] |
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78 try: |
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79 return thing(path) |
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80 except TypeError: |
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81 return thing |
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82 |
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83 def islocal(repo): |
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84 '''return true if repo or path is local''' |
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85 if isinstance(repo, str): |
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86 try: |
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87 return _lookup(repo).islocal(repo) |
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88 except AttributeError: |
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89 return False |
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90 return repo.local() |
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91 |
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92 def repository(ui, path='', create=False): |
2774 | 93 """return a repository object for the specified path""" |
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94 repo = _lookup(path).instance(ui, path, create) |
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95 ui = getattr(repo, "ui", ui) |
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96 for name, module in extensions.extensions(): |
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97 hook = getattr(module, 'reposetup', None) |
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98 if hook: |
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99 hook(ui, repo) |
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100 return repo |
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101 |
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102 def defaultdest(source): |
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103 '''return default destination of clone if none is given''' |
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104 return os.path.basename(os.path.normpath(source)) |
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106 def localpath(path): |
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107 if path.startswith('file://localhost/'): |
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108 return path[16:] |
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109 if path.startswith('file://'): |
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110 return path[7:] |
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111 if path.startswith('file:'): |
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112 return path[5:] |
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113 return path |
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114 |
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115 def share(ui, source, dest=None, update=True): |
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116 '''create a shared repository''' |
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117 |
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118 if not islocal(source): |
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119 raise util.Abort(_('can only share local repositories')) |
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120 |
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121 if not dest: |
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122 dest = defaultdest(source) |
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124 dest = ui.expandpath(dest) | |
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125 |
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126 if isinstance(source, str): |
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127 origsource = ui.expandpath(source) |
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128 source, branches = parseurl(origsource) |
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129 srcrepo = repository(ui, source) |
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130 rev, checkout = addbranchrevs(srcrepo, srcrepo, branches, None) |
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131 else: |
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132 srcrepo = source |
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133 origsource = source = srcrepo.url() |
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134 checkout = None |
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135 |
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136 sharedpath = srcrepo.sharedpath # if our source is already sharing |
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137 |
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138 root = os.path.realpath(dest) |
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139 roothg = os.path.join(root, '.hg') |
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140 |
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141 if os.path.exists(roothg): |
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142 raise util.Abort(_('destination already exists')) |
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143 |
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144 if not os.path.isdir(root): |
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145 os.mkdir(root) |
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146 os.mkdir(roothg) |
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147 |
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148 requirements = '' |
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149 try: |
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150 requirements = srcrepo.opener('requires').read() |
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151 except IOError, inst: |
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152 if inst.errno != errno.ENOENT: |
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153 raise |
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154 |
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155 requirements += 'shared\n' |
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156 file(os.path.join(roothg, 'requires'), 'w').write(requirements) |
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157 file(os.path.join(roothg, 'sharedpath'), 'w').write(sharedpath) |
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158 |
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159 default = srcrepo.ui.config('paths', 'default') |
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160 if default: |
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161 f = file(os.path.join(roothg, 'hgrc'), 'w') |
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162 f.write('[paths]\ndefault = %s\n' % default) |
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163 f.close() |
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164 |
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165 r = repository(ui, root) |
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166 |
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167 if update: |
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168 r.ui.status(_("updating working directory\n")) |
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169 if update is not True: |
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170 checkout = update |
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171 for test in (checkout, 'default', 'tip'): |
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172 if test is None: |
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173 continue |
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174 try: |
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175 uprev = r.lookup(test) |
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176 break |
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177 except error.RepoLookupError: |
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178 continue |
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179 _update(r, uprev) |
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180 |
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181 def clone(ui, source, dest=None, pull=False, rev=None, update=True, |
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182 stream=False, branch=None): |
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183 """Make a copy of an existing repository. |
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184 |
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185 Create a copy of an existing repository in a new directory. The |
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186 source and destination are URLs, as passed to the repository |
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187 function. Returns a pair of repository objects, the source and |
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188 newly created destination. |
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189 |
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190 The location of the source is added to the new repository's |
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191 .hg/hgrc file, as the default to be used for future pulls and |
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192 pushes. |
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193 |
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194 If an exception is raised, the partly cloned/updated destination |
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195 repository will be deleted. |
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196 |
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197 Arguments: |
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198 |
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199 source: repository object or URL |
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200 |
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201 dest: URL of destination repository to create (defaults to base |
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202 name of source repository) |
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203 |
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204 pull: always pull from source repository, even in local case |
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205 |
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206 stream: stream raw data uncompressed from repository (fast over |
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207 LAN, slow over WAN) |
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208 |
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209 rev: revision to clone up to (implies pull=True) |
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210 |
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211 update: update working directory after clone completes, if |
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212 destination is local repository (True means update to default rev, |
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213 anything else is treated as a revision) |
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214 |
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215 branch: branches to clone |
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216 """ |
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217 |
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218 if isinstance(source, str): |
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219 origsource = ui.expandpath(source) |
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220 source, branch = parseurl(origsource, branch) |
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221 src_repo = repository(ui, source) |
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222 else: |
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223 src_repo = source |
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224 branch = (None, branch or []) |
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225 origsource = source = src_repo.url() |
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226 rev, checkout = addbranchrevs(src_repo, src_repo, branch, rev) |
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227 |
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228 if dest is None: |
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229 dest = defaultdest(source) |
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230 ui.status(_("destination directory: %s\n") % dest) |
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232 dest = ui.expandpath(dest) | |
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233 |
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234 dest = localpath(dest) |
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235 source = localpath(source) |
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236 |
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237 if os.path.exists(dest): |
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238 if not os.path.isdir(dest): |
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239 raise util.Abort(_("destination '%s' already exists") % dest) |
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240 elif os.listdir(dest): |
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241 raise util.Abort(_("destination '%s' is not empty") % dest) |
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242 |
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243 class DirCleanup(object): |
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244 def __init__(self, dir_): |
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245 self.rmtree = shutil.rmtree |
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246 self.dir_ = dir_ |
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247 def close(self): |
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248 self.dir_ = None |
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249 def cleanup(self): |
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250 if self.dir_: |
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251 self.rmtree(self.dir_, True) |
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252 |
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253 src_lock = dest_lock = dir_cleanup = None |
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254 try: |
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255 if islocal(dest): |
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256 dir_cleanup = DirCleanup(dest) |
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257 |
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258 abspath = origsource |
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259 copy = False |
6315 | 260 if src_repo.cancopy() and islocal(dest): |
5248 | 261 abspath = os.path.abspath(util.drop_scheme('file', origsource)) |
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262 copy = not pull and not rev |
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263 |
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264 if copy: |
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265 try: |
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266 # we use a lock here because if we race with commit, we |
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267 # can end up with extra data in the cloned revlogs that's |
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268 # not pointed to by changesets, thus causing verify to |
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269 # fail |
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270 src_lock = src_repo.lock(wait=False) |
7640 | 271 except error.LockError: |
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272 copy = False |
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273 |
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274 if copy: |
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275 src_repo.hook('preoutgoing', throw=True, source='clone') |
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276 hgdir = os.path.realpath(os.path.join(dest, ".hg")) |
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277 if not os.path.exists(dest): |
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278 os.mkdir(dest) |
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279 else: |
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280 # only clean up directories we create ourselves |
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281 dir_cleanup.dir_ = hgdir |
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282 try: |
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283 dest_path = hgdir |
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284 os.mkdir(dest_path) |
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285 except OSError, inst: |
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286 if inst.errno == errno.EEXIST: |
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287 dir_cleanup.close() |
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288 raise util.Abort(_("destination '%s' already exists") |
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289 % dest) |
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290 raise |
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291 |
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292 hardlink = None |
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293 num = 0 |
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294 for f in src_repo.store.copylist(): |
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295 src = os.path.join(src_repo.sharedpath, f) |
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296 dst = os.path.join(dest_path, f) |
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297 dstbase = os.path.dirname(dst) |
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298 if dstbase and not os.path.exists(dstbase): |
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299 os.mkdir(dstbase) |
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300 if os.path.exists(src): |
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301 if dst.endswith('data'): |
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302 # lock to avoid premature writing to the target |
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303 dest_lock = lock.lock(os.path.join(dstbase, "lock")) |
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304 hardlink, n = util.copyfiles(src, dst, hardlink) |
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305 num += n |
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306 if hardlink: |
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307 ui.debug("linked %d files\n" % num) |
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308 else: |
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309 ui.debug("copied %d files\n" % num) |
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310 |
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311 # we need to re-init the repo after manually copying the data |
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312 # into it |
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313 dest_repo = repository(ui, dest) |
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314 src_repo.hook('outgoing', source='clone', node='0'*40) |
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315 else: |
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316 try: |
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317 dest_repo = repository(ui, dest, create=True) |
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318 except OSError, inst: |
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319 if inst.errno == errno.EEXIST: |
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320 dir_cleanup.close() |
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321 raise util.Abort(_("destination '%s' already exists") |
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322 % dest) |
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323 raise |
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324 |
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325 revs = None |
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326 if rev: |
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327 if 'lookup' not in src_repo.capabilities: |
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328 raise util.Abort(_("src repository does not support " |
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329 "revision lookup and so doesn't " |
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330 "support clone by revision")) |
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331 revs = [src_repo.lookup(r) for r in rev] |
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332 checkout = revs[0] |
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333 if dest_repo.local(): |
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334 dest_repo.clone(src_repo, heads=revs, stream=stream) |
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335 elif src_repo.local(): |
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336 src_repo.push(dest_repo, revs=revs) |
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337 else: |
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338 raise util.Abort(_("clone from remote to remote not supported")) |
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339 |
5186 | 340 if dir_cleanup: |
341 dir_cleanup.close() | |
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342 |
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343 if dest_repo.local(): |
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344 fp = dest_repo.opener("hgrc", "w", text=True) |
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345 fp.write("[paths]\n") |
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346 fp.write("default = %s\n" % abspath) |
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347 fp.close() |
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348 |
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349 dest_repo.ui.setconfig('paths', 'default', abspath) |
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350 |
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351 if update: |
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352 if update is not True: |
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353 checkout = update |
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354 if src_repo.local(): |
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355 checkout = src_repo.lookup(update) |
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356 for test in (checkout, 'default', 'tip'): |
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357 if test is None: |
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358 continue |
5248 | 359 try: |
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360 uprev = dest_repo.lookup(test) |
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361 break |
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362 except error.RepoLookupError: |
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363 continue |
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364 bn = dest_repo[uprev].branch() |
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365 dest_repo.ui.status(_("updating to branch %s\n") |
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366 % encoding.tolocal(bn)) |
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367 _update(dest_repo, uprev) |
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368 |
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369 return src_repo, dest_repo |
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370 finally: |
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371 release(src_lock, dest_lock) |
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372 if dir_cleanup is not None: |
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373 dir_cleanup.cleanup() |
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374 |
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375 def _showstats(repo, stats): |
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376 repo.ui.status(_("%d files updated, %d files merged, " |
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377 "%d files removed, %d files unresolved\n") % stats) |
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378 |
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379 def update(repo, node): |
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380 """update the working directory to node, merging linear changes""" |
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381 stats = mergemod.update(repo, node, False, False, None) |
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382 _showstats(repo, stats) |
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383 if stats[3]: |
6518 | 384 repo.ui.status(_("use 'hg resolve' to retry unresolved file merges\n")) |
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385 return stats[3] > 0 |
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386 |
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387 # naming conflict in clone() |
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388 _update = update |
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389 |
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390 def clean(repo, node, show_stats=True): |
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391 """forcibly switch the working directory to node, clobbering changes""" |
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392 stats = mergemod.update(repo, node, False, True, None) |
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393 if show_stats: |
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394 _showstats(repo, stats) |
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395 return stats[3] > 0 |
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396 |
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397 def merge(repo, node, force=None, remind=True): |
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398 """branch merge with node, resolving changes""" |
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399 stats = mergemod.update(repo, node, True, force, False) |
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400 _showstats(repo, stats) |
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401 if stats[3]: |
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402 repo.ui.status(_("use 'hg resolve' to retry unresolved file merges " |
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403 "or 'hg update -C' to abandon\n")) |
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404 elif remind: |
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405 repo.ui.status(_("(branch merge, don't forget to commit)\n")) |
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406 return stats[3] > 0 |
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407 |
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408 def revert(repo, node, choose): |
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409 """revert changes to revision in node without updating dirstate""" |
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410 return mergemod.update(repo, node, False, True, choose)[3] > 0 |
2778 | 411 |
412 def verify(repo): | |
413 """verify the consistency of a repository""" | |
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414 return verifymod.verify(repo) |
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415 |
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416 def remoteui(src, opts): |
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417 'build a remote ui from ui or repo and opts' |
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418 if hasattr(src, 'baseui'): # looks like a repository |
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419 dst = src.baseui.copy() # drop repo-specific config |
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420 src = src.ui # copy target options from repo |
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421 else: # assume it's a global ui object |
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422 dst = src.copy() # keep all global options |
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423 |
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424 # copy ssh-specific options |
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425 for o in 'ssh', 'remotecmd': |
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426 v = opts.get(o) or src.config('ui', o) |
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427 if v: |
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428 dst.setconfig("ui", o, v) |
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429 |
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430 # copy bundle-specific options |
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431 r = src.config('bundle', 'mainreporoot') |
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432 if r: |
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433 dst.setconfig('bundle', 'mainreporoot', r) |
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434 |
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435 # copy auth and http_proxy section settings |
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436 for sect in ('auth', 'http_proxy'): |
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437 for key, val in src.configitems(sect): |
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438 dst.setconfig(sect, key, val) |
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439 |
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440 return dst |