Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/hg.py @ 4553:741f64dfc04d
dispatch: parse and apply -R early
This allows us to use extensions specified in .hg/hgrc. Unfortunately,
this requires us to parse that file twice, but performance impact on
the version command appears to be less than 1%.
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 11 Jun 2007 21:09:24 -0500 |
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children | 63b9d2deed48 |
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1 # hg.py - repository classes for mercurial |
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2 # |
2858 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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 |
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7 # of the GNU General Public License, incorporated herein by reference. |
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8 |
1089 | 9 from node import * |
10 from repo import * | |
3893 | 11 from i18n import _ |
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12 import localrepo, bundlerepo, httprepo, sshrepo, statichttprepo |
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13 import errno, lock, os, shutil, util, cmdutil |
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14 import merge as _merge |
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15 import verify as _verify |
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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 schemes = { |
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22 'bundle': bundlerepo, |
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23 'file': _local, |
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24 'hg': httprepo, |
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25 'http': httprepo, |
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26 'https': httprepo, |
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27 'old-http': statichttprepo, |
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28 'ssh': sshrepo, |
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29 'static-http': statichttprepo, |
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30 } |
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31 |
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32 def _lookup(path): |
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33 scheme = 'file' |
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34 if path: |
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35 c = path.find(':') |
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36 if c > 0: |
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37 scheme = path[:c] |
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38 thing = schemes.get(scheme) or schemes['file'] |
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39 try: |
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40 return thing(path) |
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41 except TypeError: |
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42 return thing |
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43 |
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44 def islocal(repo): |
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45 '''return true if repo or path is local''' |
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46 if isinstance(repo, str): |
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47 try: |
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48 return _lookup(repo).islocal(repo) |
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49 except AttributeError: |
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50 return False |
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51 return repo.local() |
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52 |
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53 repo_setup_hooks = [] |
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54 |
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55 def repository(ui, path='', create=False): |
2798 | 56 """return a repository object for the specified path""" |
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57 repo = _lookup(path).instance(ui, path, create) |
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58 ui = getattr(repo, "ui", ui) |
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59 for hook in repo_setup_hooks: |
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60 hook(ui, repo) |
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61 return repo |
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62 |
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63 def defaultdest(source): |
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64 '''return default destination of clone if none is given''' |
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65 return os.path.basename(os.path.normpath(source)) |
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67 def clone(ui, source, dest=None, pull=False, rev=None, update=True, |
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68 stream=False): |
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69 """Make a copy of an existing repository. |
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70 |
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71 Create a copy of an existing repository in a new directory. The |
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72 source and destination are URLs, as passed to the repository |
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73 function. Returns a pair of repository objects, the source and |
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74 newly created destination. |
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75 |
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76 The location of the source is added to the new repository's |
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77 .hg/hgrc file, as the default to be used for future pulls and |
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78 pushes. |
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79 |
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80 If an exception is raised, the partly cloned/updated destination |
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81 repository will be deleted. |
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82 |
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83 Arguments: |
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84 |
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85 source: repository object or URL |
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86 |
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87 dest: URL of destination repository to create (defaults to base |
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88 name of source repository) |
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89 |
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90 pull: always pull from source repository, even in local case |
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91 |
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92 stream: stream raw data uncompressed from repository (fast over |
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93 LAN, slow over WAN) |
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94 |
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95 rev: revision to clone up to (implies pull=True) |
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96 |
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97 update: update working directory after clone completes, if |
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98 destination is local repository |
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99 """ |
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100 |
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101 origsource = source |
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102 source, rev = cmdutil.parseurl(ui.expandpath(source), rev) |
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103 |
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104 if isinstance(source, str): |
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105 src_repo = repository(ui, source) |
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106 else: |
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107 src_repo = source |
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108 source = src_repo.url() |
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109 |
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110 if dest is None: |
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111 dest = defaultdest(source) |
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112 ui.status(_("destination directory: %s\n") % dest) |
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113 |
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114 def localpath(path): |
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115 if path.startswith('file://'): |
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116 return path[7:] |
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117 if path.startswith('file:'): |
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118 return path[5:] |
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119 return path |
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120 |
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121 dest = localpath(dest) |
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122 source = localpath(source) |
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123 |
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124 if os.path.exists(dest): |
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125 raise util.Abort(_("destination '%s' already exists") % dest) |
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126 |
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127 class DirCleanup(object): |
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128 def __init__(self, dir_): |
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129 self.rmtree = shutil.rmtree |
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130 self.dir_ = dir_ |
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131 def close(self): |
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132 self.dir_ = None |
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133 def __del__(self): |
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134 if self.dir_: |
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135 self.rmtree(self.dir_, True) |
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136 |
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137 dir_cleanup = None |
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138 if islocal(dest): |
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139 dir_cleanup = DirCleanup(dest) |
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140 |
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141 abspath = origsource |
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142 copy = False |
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143 if src_repo.local() and islocal(dest): |
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144 abspath = os.path.abspath(origsource) |
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145 copy = not pull and not rev |
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146 |
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147 src_lock, dest_lock = None, None |
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148 if copy: |
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149 try: |
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150 # we use a lock here because if we race with commit, we |
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151 # can end up with extra data in the cloned revlogs that's |
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152 # not pointed to by changesets, thus causing verify to |
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153 # fail |
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154 src_lock = src_repo.lock() |
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155 except lock.LockException: |
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156 copy = False |
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157 |
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158 if copy: |
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159 def force_copy(src, dst): |
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160 try: |
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161 util.copyfiles(src, dst) |
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162 except OSError, inst: |
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163 if inst.errno != errno.ENOENT: |
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164 raise |
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165 |
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166 src_store = os.path.realpath(src_repo.spath) |
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167 if not os.path.exists(dest): |
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168 os.mkdir(dest) |
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169 dest_path = os.path.realpath(os.path.join(dest, ".hg")) |
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170 os.mkdir(dest_path) |
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171 if src_repo.spath != src_repo.path: |
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172 dest_store = os.path.join(dest_path, "store") |
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173 os.mkdir(dest_store) |
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174 else: |
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175 dest_store = dest_path |
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176 # copy the requires file |
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177 force_copy(src_repo.join("requires"), |
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178 os.path.join(dest_path, "requires")) |
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179 # we lock here to avoid premature writing to the target |
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180 dest_lock = lock.lock(os.path.join(dest_store, "lock")) |
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181 |
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182 files = ("data", |
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183 "00manifest.d", "00manifest.i", |
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184 "00changelog.d", "00changelog.i") |
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185 for f in files: |
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186 src = os.path.join(src_store, f) |
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187 dst = os.path.join(dest_store, f) |
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188 force_copy(src, dst) |
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189 |
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190 # we need to re-init the repo after manually copying the data |
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191 # into it |
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192 dest_repo = repository(ui, dest) |
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193 |
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194 else: |
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195 dest_repo = repository(ui, dest, create=True) |
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196 |
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197 revs = None |
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198 if rev: |
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199 if 'lookup' not in src_repo.capabilities: |
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200 raise util.Abort(_("src repository does not support revision " |
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201 "lookup and so doesn't support clone by " |
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202 "revision")) |
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203 revs = [src_repo.lookup(r) for r in rev] |
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204 |
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205 if dest_repo.local(): |
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206 dest_repo.clone(src_repo, heads=revs, stream=stream) |
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207 elif src_repo.local(): |
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208 src_repo.push(dest_repo, revs=revs) |
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209 else: |
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210 raise util.Abort(_("clone from remote to remote not supported")) |
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211 |
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212 if src_lock: |
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213 src_lock.release() |
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214 |
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215 if dest_repo.local(): |
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216 fp = dest_repo.opener("hgrc", "w", text=True) |
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217 fp.write("[paths]\n") |
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218 fp.write("default = %s\n" % abspath) |
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219 fp.close() |
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220 |
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221 if dest_lock: |
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222 dest_lock.release() |
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223 |
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224 if update: |
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225 try: |
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226 checkout = dest_repo.lookup("default") |
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227 except: |
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228 checkout = dest_repo.changelog.tip() |
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229 _update(dest_repo, checkout) |
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230 if dir_cleanup: |
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231 dir_cleanup.close() |
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232 |
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233 return src_repo, dest_repo |
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234 |
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235 def _showstats(repo, stats): |
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236 stats = ((stats[0], _("updated")), |
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237 (stats[1], _("merged")), |
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238 (stats[2], _("removed")), |
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239 (stats[3], _("unresolved"))) |
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240 note = ", ".join([_("%d files %s") % s for s in stats]) |
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241 repo.ui.status("%s\n" % note) |
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242 |
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243 def _update(repo, node): return update(repo, node) |
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244 |
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245 def update(repo, node): |
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246 """update the working directory to node, merging linear changes""" |
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247 pl = repo.parents() |
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248 stats = _merge.update(repo, node, False, False, None, None) |
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249 _showstats(repo, stats) |
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250 if stats[3]: |
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251 repo.ui.status(_("There are unresolved merges with" |
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252 " locally modified files.\n")) |
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253 if stats[1]: |
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254 repo.ui.status(_("You can finish the partial merge using:\n")) |
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255 else: |
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256 repo.ui.status(_("You can redo the full merge using:\n")) |
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257 # len(pl)==1, otherwise _merge.update() would have raised util.Abort: |
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258 repo.ui.status(_(" hg update %s\n hg update %s\n") |
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259 % (pl[0].rev(), repo.changectx(node).rev())) |
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260 return stats[3] |
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261 |
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262 def clean(repo, node, wlock=None, show_stats=True): |
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263 """forcibly switch the working directory to node, clobbering changes""" |
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264 stats = _merge.update(repo, node, False, True, None, wlock) |
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265 if show_stats: _showstats(repo, stats) |
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266 return stats[3] |
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267 |
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268 def merge(repo, node, force=None, remind=True, wlock=None): |
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269 """branch merge with node, resolving changes""" |
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270 stats = _merge.update(repo, node, True, force, False, wlock) |
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271 _showstats(repo, stats) |
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272 if stats[3]: |
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273 pl = repo.parents() |
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274 repo.ui.status(_("There are unresolved merges," |
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275 " you can redo the full merge using:\n" |
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276 " hg update -C %s\n" |
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277 " hg merge %s\n") |
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278 % (pl[0].rev(), pl[1].rev())) |
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279 elif remind: |
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280 repo.ui.status(_("(branch merge, don't forget to commit)\n")) |
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281 return stats[3] |
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282 |
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283 def revert(repo, node, choose, wlock): |
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284 """revert changes to revision in node without updating dirstate""" |
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285 return _merge.update(repo, node, False, True, choose, wlock)[3] |
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287 def verify(repo): | |
288 """verify the consistency of a repository""" | |
289 return _verify.verify(repo) |