annotate wrappers.py @ 280:4a327bfc69c6

README: Now require 1.3.
author Augie Fackler <durin42@gmail.com>
date Fri, 24 Apr 2009 21:06:54 -0500
parents 60acc38eac96
children 521d9c1bb11d
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1 import os
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2
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3 from hgext import rebase as hgrebase
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4
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5 from mercurial import cmdutil as hgcmdutil
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6 from mercurial import commands
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7 from mercurial import patch
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8 from mercurial import hg
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9 from mercurial import util as hgutil
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10 from mercurial import node
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11
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12 from svn import core
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13 from svn import delta
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14
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15 import cmdutil
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16 import hg_delta_editor
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17 import stupid as stupidmod
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18 import svnwrap
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19 import util
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20
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21 def parent(orig, ui, repo, *args, **opts):
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22 """show Mercurial & Subversion parents of the working dir or revision
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23 """
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24 if not opts.get('svn', False):
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25 return orig(ui, repo, *args, **opts)
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26 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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27 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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28 hge.revmap.iterkeys()))
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29 ha = cmdutil.parentrev(ui, repo, hge, svn_commit_hashes)
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30 if ha.node() == node.nullid:
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31 raise hgutil.Abort('No parent svn revision!')
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32 displayer = hgcmdutil.show_changeset(ui, repo, opts, buffered=False)
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33 displayer.show(ha)
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34 return 0
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35
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36
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37 def outgoing(orig, ui, repo, dest=None, *args, **opts):
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38 """show changesets not found in the Subversion repository
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39 """
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40 svnurl = repo.ui.expandpath(dest or 'default-push', dest or 'default')
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41 if not (cmdutil.issvnurl(svnurl) or opts.get('svn', False)):
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42 return orig(ui, repo, dest, *args, **opts)
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43
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44 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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45 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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46 hge.revmap.iterkeys()))
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47 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes,
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48 repo.parents()[0].node())
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49 if not (o_r and len(o_r)):
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50 ui.status('no changes found\n')
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51 return 0
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52 displayer = hgcmdutil.show_changeset(ui, repo, opts, buffered=False)
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53 for node in reversed(o_r):
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54 displayer.show(repo[node])
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55
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56
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57 def diff(orig, ui, repo, *args, **opts):
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58 """show a diff of the most recent revision against its parent from svn
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59 """
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60 if not opts.get('svn', False) or opts.get('change', None):
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61 return orig(ui, repo, *args, **opts)
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62 svn_commit_hashes = {}
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63 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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64 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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65 hge.revmap.iterkeys()))
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66 if not opts.get('rev', None):
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67 parent = repo.parents()[0]
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68 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes,
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69 parent.node())
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70 if o_r:
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71 parent = repo[o_r[-1]].parents()[0]
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72 opts['rev'] = ['%s:.' % node.hex(parent.node()), ]
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73 node1, node2 = hgcmdutil.revpair(repo, opts['rev'])
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74 baserev, _junk = svn_commit_hashes.get(node1, (-1, 'junk', ))
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75 newrev, _junk = svn_commit_hashes.get(node2, (-1, 'junk', ))
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76 it = patch.diff(repo, node1, node2,
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77 opts=patch.diffopts(ui, opts={'git': True,
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78 'show_function': False,
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79 'ignore_all_space': False,
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80 'ignore_space_change': False,
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81 'ignore_blank_lines': False,
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82 'unified': True,
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83 'text': False,
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84 }))
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85 ui.write(cmdutil.filterdiff(''.join(it), baserev, newrev))
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86
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87
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88 def push(orig, ui, repo, dest=None, *args, **opts):
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89 """push revisions starting at a specified head back to Subversion.
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90 """
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91 opts.pop('svn', None) # unused in this case
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92 svnurl = repo.ui.expandpath(dest or 'default-push', dest or 'default')
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93 if not cmdutil.issvnurl(svnurl):
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94 return orig(ui, repo, dest=dest, *args, **opts)
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95 old_encoding = util.swap_out_encoding()
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96 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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97 svnurl = util.normalize_url(svnurl)
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98 if svnurl != hge.url:
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99 raise hgutil.Abort('wrong subversion url!')
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100 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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101 hge.revmap.iterkeys()))
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102 user, passwd = util.getuserpass(opts)
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103 # Strategy:
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104 # 1. Find all outgoing commits from this head
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105 if len(repo.parents()) != 1:
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106 ui.status('Cowardly refusing to push branch merge\n')
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107 return 1
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108 workingrev = repo.parents()[0]
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109 ui.status('searching for changes\n')
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110 outgoing = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes, workingrev.node())
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111 if not (outgoing and len(outgoing)):
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112 ui.status('no changes found\n')
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113 return 0
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114 while outgoing:
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115 oldest = outgoing.pop(-1)
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116 old_ctx = repo[oldest]
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117 if len(old_ctx.parents()) != 1:
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118 ui.status('Found a branch merge, this needs discussion and '
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119 'implementation.\n')
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120 return 1
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121 base_n = old_ctx.parents()[0].node()
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122 old_children = repo[base_n].children()
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123 svnbranch = repo[base_n].branch()
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124 oldtip = base_n
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125 samebranchchildren = [c for c in repo[oldtip].children() if c.branch() == svnbranch
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126 and c.node() in svn_commit_hashes]
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127 while samebranchchildren:
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128 oldtip = samebranchchildren[0].node()
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129 samebranchchildren = [c for c in repo[oldtip].children() if c.branch() == svnbranch
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130 and c.node() in svn_commit_hashes]
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131 # 2. Commit oldest revision that needs to be pushed
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132 base_revision = svn_commit_hashes[base_n][0]
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133 try:
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134 cmdutil.commit_from_rev(ui, repo, old_ctx, hge, svnurl,
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135 base_revision, user, passwd)
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136 except cmdutil.NoFilesException:
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137 ui.warn("Could not push revision %s because it had no changes in svn.\n" %
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138 old_ctx)
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139 return 1
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140 # 3. Fetch revisions from svn
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141 # TODO this probably should pass in the source explicitly
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142 r = pull(None, ui, repo, svn=True, stupid=opts.get('svn_stupid', False),
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143 username=user, password=passwd)
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144 assert not r or r == 0
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145 # 4. Find the new head of the target branch
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146 repo = hg.repository(ui, hge.path)
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147 oldtipctx = repo[oldtip]
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148 replacement = [c for c in oldtipctx.children() if c not in old_children
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149 and c.branch() == oldtipctx.branch()]
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150 assert len(replacement) == 1, 'Replacement node came back as: %r' % replacement
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151 replacement = replacement[0]
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152 # 5. Rebase all children of the currently-pushing rev to the new branch
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153 heads = repo.heads(old_ctx.node())
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154 for needs_transplant in heads:
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155 def extrafn(ctx, extra):
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156 if ctx.node() == oldest:
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157 return
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158 extra['branch'] = ctx.branch()
264
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159 rebase(hgrebase.rebase, ui, repo, svn=True, svnextrafn=extrafn,
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160 svnsourcerev=needs_transplant, **opts)
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161 repo = hg.repository(ui, hge.path)
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162 for child in repo[replacement.node()].children():
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163 rebasesrc = node.bin(child.extra().get('rebase_source', node.hex(node.nullid)))
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164 if rebasesrc in outgoing:
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165 while rebasesrc in outgoing:
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166 rebsrcindex = outgoing.index(rebasesrc)
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167 outgoing = (outgoing[0:rebsrcindex] +
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168 [child.node(), ] + outgoing[rebsrcindex+1:])
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169 children = [c for c in child.children() if c.branch() == child.branch()]
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170 if children:
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171 child = children[0]
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172 rebasesrc = node.bin(child.extra().get('rebase_source', node.hex(node.nullid)))
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173 hge = hg_delta_editor.HgChangeReceiver(hge.path, ui_=ui)
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174 svn_commit_hashes = dict(zip(hge.revmap.itervalues(), hge.revmap.iterkeys()))
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175 util.swap_out_encoding(old_encoding)
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176 return 0
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177
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178
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179 def clone(orig, ui, source, dest=None, *args, **opts):
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180 '''clone Subversion repository to a local Mercurial repository.
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181
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182 If no destination directory name is specified, it defaults to the
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183 basename of the source plus "-hg".
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184
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185 You can specify multiple paths for the location of tags using comma
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186 separated values.
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187 '''
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188 svnurl = ui.expandpath(source)
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189 if not cmdutil.issvnurl(svnurl):
260
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190 return orig(ui, source=source, dest=dest, *args, **opts)
257
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191
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192 if not dest:
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193 dest = hg.defaultdest(source) + '-hg'
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194 ui.status("Assuming destination %s\n" % dest)
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195
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196 if os.path.exists(dest):
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197 raise hgutil.Abort("destination '%s' already exists" % dest)
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198 url = util.normalize_url(svnurl)
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199 res = -1
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200 try:
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201 try:
261
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202 res = pull(None, ui, None, source=url, svn=None,
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203 svn_stupid=opts.pop('svn_stupid', False),
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204 create_new_dest=dest, **opts)
257
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205 except core.SubversionException, e:
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206 if e.apr_err == core.SVN_ERR_RA_SERF_SSL_CERT_UNTRUSTED:
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207 raise hgutil.Abort('It appears svn does not trust the ssl cert for this site.\n'
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208 'Please try running svn ls on that url first.')
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209 raise
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210 finally:
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211 if os.path.exists(dest):
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212 repo = hg.repository(ui, dest)
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213 fp = repo.opener("hgrc", "w", text=True)
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214 fp.write("[paths]\n")
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215 # percent needs to be escaped for ConfigParser
276
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diff changeset
216 fp.write("default = %(url)s\nsvn = %(url)s\n" % {'url': svnurl})
257
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217 fp.close()
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218 if (res is None or res == 0) and not opts.get('noupdate', False):
278
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diff changeset
219 for test in ('default', 'tip'):
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220 try:
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221 uprev = repo.lookup(test)
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222 break
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diff changeset
223 except:
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diff changeset
224 continue
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225 commands.update(ui, repo, uprev)
257
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226
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227 return res
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228
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229
261
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230 def pull(orig, ui, repo, source="default", *args, **opts):
257
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231 """pull new revisions from Subversion
261
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232
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233 Also takes svn, svn_stupid, and create_new_dest kwargs.
257
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234 """
261
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235 svn = opts.pop('svn', None)
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236 svn_stupid = opts.pop('svn_stupid', False)
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237 create_new_dest = opts.pop('create_new_dest', False)
257
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238 url = ((repo and repo.ui) or ui).expandpath(source)
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239 if not (cmdutil.issvnurl(url) or svn or create_new_dest):
260
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diff changeset
240 return orig(ui, repo, source=source, *args, **opts)
257
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241 svn_url = url
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242 svn_url = util.normalize_url(svn_url)
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243 old_encoding = util.swap_out_encoding()
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244 # TODO implement skipto support
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245 skipto_rev = 0
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246 have_replay = not svn_stupid
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247 if have_replay and not callable(
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248 delta.svn_txdelta_apply(None, None, None)[0]): #pragma: no cover
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249 ui.status('You are using old Subversion SWIG bindings. Replay will not'
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250 ' work until you upgrade to 1.5.0 or newer. Falling back to'
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251 ' a slower method that may be buggier. Please upgrade, or'
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252 ' contribute a patch to use the ctypes bindings instead'
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253 ' of SWIG.\n')
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254 have_replay = False
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255 initializing_repo = False
265
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diff changeset
256 user, passwd = util.getuserpass(opts)
257
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257 svn = svnwrap.SubversionRepo(svn_url, user, passwd)
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258 author_host = "@%s" % svn.uuid
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259 tag_locations = ['tags', ]
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260 authors = opts.pop('svn_authors', None)
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261 filemap = opts.pop('svn_filemap', None)
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262 if repo:
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263 hg_editor = hg_delta_editor.HgChangeReceiver(repo=repo,
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264 subdir=svn.subdir,
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265 author_host=author_host,
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266 tag_locations=tag_locations,
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267 authors=authors,
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268 filemap=filemap)
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269 else:
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270 hg_editor = hg_delta_editor.HgChangeReceiver(ui_=ui,
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271 path=create_new_dest,
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272 subdir=svn.subdir,
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273 author_host=author_host,
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274 tag_locations=tag_locations,
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275 authors=authors,
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276 filemap=filemap)
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277 if os.path.exists(hg_editor.uuid_file):
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278 uuid = open(hg_editor.uuid_file).read()
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279 assert uuid == svn.uuid
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280 start = hg_editor.last_known_revision()
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281 else:
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282 open(hg_editor.uuid_file, 'w').write(svn.uuid)
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283 open(hg_editor.svn_url_file, 'w').write(svn_url)
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284 initializing_repo = True
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285 start = skipto_rev
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286
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287 if initializing_repo and start > 0:
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288 raise hgutil.Abort('Revision skipping at repository initialization '
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289 'remains unimplemented.')
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290
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291 # start converting revisions
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292 for r in svn.revisions(start=start):
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293 valid = True
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294 hg_editor.update_branch_tag_map_for_rev(r)
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295 for p in r.paths:
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296 if hg_editor._is_path_valid(p):
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297 valid = True
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298 break
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299 if valid:
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300 # got a 502? Try more than once!
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301 tries = 0
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302 converted = False
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303 while not converted:
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304 try:
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305 util.describe_revision(ui, r)
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306 if have_replay:
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307 try:
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308 cmdutil.replay_convert_rev(hg_editor, svn, r)
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309 except svnwrap.SubversionRepoCanNotReplay, e: #pragma: no cover
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310 ui.status('%s\n' % e.message)
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311 stupidmod.print_your_svn_is_old_message(ui)
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312 have_replay = False
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313 stupidmod.svn_server_pull_rev(ui, svn, hg_editor, r)
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314 else:
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315 stupidmod.svn_server_pull_rev(ui, svn, hg_editor, r)
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316 converted = True
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317 except core.SubversionException, e: #pragma: no cover
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318 if (e.apr_err == core.SVN_ERR_RA_DAV_REQUEST_FAILED
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319 and '502' in str(e)
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320 and tries < 3):
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321 tries += 1
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322 ui.status('Got a 502, retrying (%s)\n' % tries)
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323 else:
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324 raise hgutil.Abort(*e.args)
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325 util.swap_out_encoding(old_encoding)
264
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326
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327
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328 def rebase(orig, ui, repo, **opts):
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329 """rebase current unpushed revisions onto the Subversion head
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330
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331 This moves a line of development from making its own head to the top of
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332 Subversion development, linearizing the changes. In order to make sure you
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333 rebase on top of the current top of Subversion work, you should probably run
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334 'hg svn pull' before running this.
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335
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336 Also looks for svnextrafn and svnsourcerev in **opts.
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337 """
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338 if not opts.get('svn', False):
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339 return orig(ui, repo, **opts)
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340 def extrafn2(ctx, extra):
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341 """defined here so we can add things easily.
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342 """
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343 extra['branch'] = ctx.branch()
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344 extrafn = opts.get('svnextrafn', extrafn2)
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345 sourcerev = opts.get('svnsourcerev', repo.parents()[0].node())
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346 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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347 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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348 hge.revmap.iterkeys()))
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349 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes, sourcerev=sourcerev)
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350 if not o_r:
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351 ui.status('Nothing to rebase!\n')
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352 return 0
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353 if len(repo[sourcerev].children()):
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354 ui.status('Refusing to rebase non-head commit like a coward\n')
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355 return 0
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356 parent_rev = repo[o_r[-1]].parents()[0]
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357 target_rev = parent_rev
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358 p_n = parent_rev.node()
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359 exhausted_choices = False
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360 while target_rev.children() and not exhausted_choices:
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361 for c in target_rev.children():
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362 exhausted_choices = True
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363 n = c.node()
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364 if (n in svn_commit_hashes and
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365 svn_commit_hashes[n][1] == svn_commit_hashes[p_n][1]):
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366 target_rev = c
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367 exhausted_choices = False
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diff changeset
368 break
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diff changeset
369 if parent_rev == target_rev:
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diff changeset
370 ui.status('Already up to date!\n')
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371 return 0
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372 return orig(ui, repo, dest=node.hex(target_rev.node()),
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373 base=node.hex(sourcerev),
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diff changeset
374 extrafn=extrafn)