annotate wrappers.py @ 308:41aa4c3f789e

A quick stab at a distutils installation script.
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Sun, 03 May 2009 15:29:59 +0200
parents 1d48d9a34c19
children b6c6d32c8ef1 33736e2e25f0
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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 from mercurial import i18n
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12
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13 from svn import core
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14 from svn import delta
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15
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16 import cmdutil
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17 import hg_delta_editor
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18 import stupid as stupidmod
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19 import svnwrap
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20 import util
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21
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22 def parent(orig, ui, repo, *args, **opts):
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23 """show Mercurial & Subversion parents of the working dir or revision
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24 """
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25 if not opts.get('svn', False):
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26 return orig(ui, repo, *args, **opts)
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27 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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28 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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29 hge.revmap.iterkeys()))
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30 ha = cmdutil.parentrev(ui, repo, hge, svn_commit_hashes)
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31 if ha.node() == node.nullid:
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32 raise hgutil.Abort('No parent svn revision!')
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33 displayer = hgcmdutil.show_changeset(ui, repo, opts, buffered=False)
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34 displayer.show(ha)
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35 return 0
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36
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37
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38 def outgoing(orig, ui, repo, dest=None, *args, **opts):
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39 """show changesets not found in the Subversion repository
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40 """
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41 svnurl = repo.ui.expandpath(dest or 'default-push', dest or 'default')
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42 if not (cmdutil.issvnurl(svnurl) or opts.get('svn', False)):
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43 return orig(ui, repo, dest, *args, **opts)
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44
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45 # split off #rev; TODO implement --revision/#rev support
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46 svnurl, revs, checkout = hg.parseurl(svnurl, opts.get('rev'))
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47 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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48 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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49 hge.revmap.iterkeys()))
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50 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes,
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51 repo.parents()[0].node())
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52 if not (o_r and len(o_r)):
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53 ui.status('no changes found\n')
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54 return 0
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55 displayer = hgcmdutil.show_changeset(ui, repo, opts, buffered=False)
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56 for node in reversed(o_r):
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57 displayer.show(repo[node])
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58
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59
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60 def diff(orig, ui, repo, *args, **opts):
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61 """show a diff of the most recent revision against its parent from svn
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62 """
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63 if not opts.get('svn', False) or opts.get('change', None):
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64 return orig(ui, repo, *args, **opts)
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65 svn_commit_hashes = {}
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66 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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67 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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68 hge.revmap.iterkeys()))
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69 if not opts.get('rev', None):
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70 parent = repo.parents()[0]
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71 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes,
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72 parent.node())
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73 if o_r:
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74 parent = repo[o_r[-1]].parents()[0]
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75 opts['rev'] = ['%s:.' % node.hex(parent.node()), ]
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76 node1, node2 = hgcmdutil.revpair(repo, opts['rev'])
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77 baserev, _junk = svn_commit_hashes.get(node1, (-1, 'junk', ))
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78 newrev, _junk = svn_commit_hashes.get(node2, (-1, 'junk', ))
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79 it = patch.diff(repo, node1, node2,
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80 opts=patch.diffopts(ui, opts={'git': True,
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81 'show_function': False,
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82 'ignore_all_space': False,
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83 'ignore_space_change': False,
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84 'ignore_blank_lines': False,
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85 'unified': True,
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86 'text': False,
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87 }))
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88 ui.write(cmdutil.filterdiff(''.join(it), baserev, newrev))
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89
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90
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91 def push(orig, ui, repo, dest=None, *args, **opts):
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92 """push revisions starting at a specified head back to Subversion.
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93 """
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94 opts.pop('svn', None) # unused in this case
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95 svnurl = repo.ui.expandpath(dest or 'default-push', dest or 'default')
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96 if not cmdutil.issvnurl(svnurl):
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97 return orig(ui, repo, dest=dest, *args, **opts)
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98 old_encoding = util.swap_out_encoding()
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99 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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100 svnurl = util.normalize_url(svnurl)
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101 # split of #rev; TODO: implement --rev/#rev support
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102 svnurl, revs, checkout = hg.parseurl(svnurl, opts.get('rev'))
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103 if svnurl != hge.url:
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104 raise hgutil.Abort('wrong subversion url!')
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105 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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106 hge.revmap.iterkeys()))
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107 user, passwd = util.getuserpass(opts)
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108 # Strategy:
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109 # 1. Find all outgoing commits from this head
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110 if len(repo.parents()) != 1:
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111 ui.status('Cowardly refusing to push branch merge\n')
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112 return 1
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113 workingrev = repo.parents()[0]
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114 ui.status('searching for changes\n')
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115 outgoing = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes, workingrev.node())
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116 if not (outgoing and len(outgoing)):
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117 ui.status('no changes found\n')
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118 return 0
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119 while outgoing:
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120 oldest = outgoing.pop(-1)
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121 old_ctx = repo[oldest]
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122 if len(old_ctx.parents()) != 1:
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123 ui.status('Found a branch merge, this needs discussion and '
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124 'implementation.\n')
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125 return 1
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126 base_n = old_ctx.parents()[0].node()
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127 old_children = repo[base_n].children()
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128 svnbranch = repo[base_n].branch()
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129 oldtip = base_n
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130 samebranchchildren = [c for c in repo[oldtip].children() if c.branch() == svnbranch
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131 and c.node() in svn_commit_hashes]
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132 while samebranchchildren:
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133 oldtip = samebranchchildren[0].node()
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134 samebranchchildren = [c for c in repo[oldtip].children() if c.branch() == svnbranch
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135 and c.node() in svn_commit_hashes]
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136 # 2. Commit oldest revision that needs to be pushed
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137 base_revision = svn_commit_hashes[base_n][0]
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138 try:
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139 cmdutil.commit_from_rev(ui, repo, old_ctx, hge, svnurl,
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140 base_revision, user, passwd)
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141 except cmdutil.NoFilesException:
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142 ui.warn("Could not push revision %s because it had no changes in svn.\n" %
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143 old_ctx)
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144 return 1
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145 # 3. Fetch revisions from svn
262
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146 # TODO this probably should pass in the source explicitly
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147 r = pull(None, ui, repo, svn=True, stupid=opts.get('svn_stupid', False),
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148 username=user, password=passwd)
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149 assert not r or r == 0
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150 # 4. Find the new head of the target branch
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151 repo = hg.repository(ui, hge.path)
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152 oldtipctx = repo[oldtip]
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153 replacement = [c for c in oldtipctx.children() if c not in old_children
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154 and c.branch() == oldtipctx.branch()]
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155 assert len(replacement) == 1, 'Replacement node came back as: %r' % replacement
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156 replacement = replacement[0]
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157 # 5. Rebase all children of the currently-pushing rev to the new branch
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158 heads = repo.heads(old_ctx.node())
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159 for needs_transplant in heads:
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160 def extrafn(ctx, extra):
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161 if ctx.node() == oldest:
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162 return
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163 extra['branch'] = ctx.branch()
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164 rebase(hgrebase.rebase, ui, repo, svn=True, svnextrafn=extrafn,
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165 svnsourcerev=needs_transplant, **opts)
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166 repo = hg.repository(ui, hge.path)
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167 for child in repo[replacement.node()].children():
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168 rebasesrc = node.bin(child.extra().get('rebase_source', node.hex(node.nullid)))
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169 if rebasesrc in outgoing:
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170 while rebasesrc in outgoing:
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171 rebsrcindex = outgoing.index(rebasesrc)
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172 outgoing = (outgoing[0:rebsrcindex] +
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173 [child.node(), ] + outgoing[rebsrcindex+1:])
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174 children = [c for c in child.children() if c.branch() == child.branch()]
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175 if children:
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176 child = children[0]
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177 rebasesrc = node.bin(child.extra().get('rebase_source', node.hex(node.nullid)))
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178 hge = hg_delta_editor.HgChangeReceiver(hge.path, ui_=ui)
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179 svn_commit_hashes = dict(zip(hge.revmap.itervalues(), hge.revmap.iterkeys()))
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180 util.swap_out_encoding(old_encoding)
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181 return 0
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182
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183
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184 def clone(orig, ui, source, dest=None, *args, **opts):
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185 '''clone Subversion repository to a local Mercurial repository.
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186
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187 If no destination directory name is specified, it defaults to the
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188 basename of the source plus "-hg".
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189
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190 You can specify multiple paths for the location of tags using comma
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191 separated values.
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192 '''
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193 svnurl = ui.expandpath(source)
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194 if not cmdutil.issvnurl(svnurl):
260
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195 return orig(ui, source=source, dest=dest, *args, **opts)
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196
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197 if not dest:
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198 dest = hg.defaultdest(hg.parseurl(source)[0]) + '-hg'
257
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199 ui.status("Assuming destination %s\n" % dest)
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200
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201 if os.path.exists(dest):
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202 raise hgutil.Abort("destination '%s' already exists" % dest)
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203 url = util.normalize_url(svnurl)
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204 res = -1
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205 try:
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206 try:
261
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207 res = pull(None, ui, None, source=url, svn=None,
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208 svn_stupid=opts.pop('svn_stupid', False),
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209 create_new_dest=dest, **opts)
257
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210 except core.SubversionException, e:
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211 if e.apr_err == core.SVN_ERR_RA_SERF_SSL_CERT_UNTRUSTED:
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212 raise hgutil.Abort('It appears svn does not trust the ssl cert for this site.\n'
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213 'Please try running svn ls on that url first.')
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214 raise
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215 finally:
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216 if os.path.exists(dest):
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217 repo = hg.repository(ui, dest)
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218 fp = repo.opener("hgrc", "w", text=True)
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219 fp.write("[paths]\n")
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220 # percent needs to be escaped for ConfigParser
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221 fp.write("default = %(url)s\nsvn = %(url)s\n" % {'url': svnurl})
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222 fp.close()
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223 if (res is None or res == 0) and not opts.get('noupdate', False):
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224 # Split off #rev
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225 url, revs, checkout = hg.parseurl(svnurl)
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226 for test in (checkout, 'default', 'tip'):
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227 try:
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228 uprev = repo.lookup(test)
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229 break
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230 except:
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231 continue
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232 commands.update(ui, repo, uprev)
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233
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234 return res
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235
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236
261
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237 def pull(orig, ui, repo, source="default", *args, **opts):
257
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238 """pull new revisions from Subversion
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239
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240 Also takes svn, svn_stupid, and create_new_dest kwargs.
257
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241 """
261
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242 svn = opts.pop('svn', None)
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243 svn_stupid = opts.pop('svn_stupid', False)
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244 create_new_dest = opts.pop('create_new_dest', False)
257
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245 url = ((repo and repo.ui) or ui).expandpath(source)
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246 if not (cmdutil.issvnurl(url) or svn or create_new_dest):
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diff changeset
247 return orig(ui, repo, source=source, *args, **opts)
257
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248 svn_url = url
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249 svn_url = util.normalize_url(svn_url)
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250 # Split off #rev; TODO: implement --rev/#rev support limiting the pulled/cloned revisions
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251 svn_url, revs, checkout = hg.parseurl(svn_url, opts.get('rev'))
257
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252 old_encoding = util.swap_out_encoding()
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253 # TODO implement skipto support
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254 skipto_rev = 0
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255 have_replay = not svn_stupid
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256 if have_replay and not callable(
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257 delta.svn_txdelta_apply(None, None, None)[0]): #pragma: no cover
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258 ui.status('You are using old Subversion SWIG bindings. Replay will not'
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259 ' work until you upgrade to 1.5.0 or newer. Falling back to'
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260 ' a slower method that may be buggier. Please upgrade, or'
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261 ' contribute a patch to use the ctypes bindings instead'
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262 ' of SWIG.\n')
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263 have_replay = False
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264 initializing_repo = False
265
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265 user, passwd = util.getuserpass(opts)
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266 svn = svnwrap.SubversionRepo(svn_url, user, passwd)
307
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267 author_host = ui.config('hgsubversion', 'defaulthost', svn.uuid)
257
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268 tag_locations = ['tags', ]
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269 authors = opts.pop('svn_authors', None)
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270 filemap = opts.pop('svn_filemap', None)
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271 if repo:
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272 hg_editor = hg_delta_editor.HgChangeReceiver(repo=repo,
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273 subdir=svn.subdir,
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274 author_host=author_host,
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275 tag_locations=tag_locations,
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276 authors=authors,
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277 filemap=filemap)
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278 else:
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279 hg_editor = hg_delta_editor.HgChangeReceiver(ui_=ui,
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280 path=create_new_dest,
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281 subdir=svn.subdir,
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282 author_host=author_host,
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283 tag_locations=tag_locations,
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284 authors=authors,
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285 filemap=filemap)
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286 if os.path.exists(hg_editor.uuid_file):
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287 uuid = open(hg_editor.uuid_file).read()
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288 assert uuid == svn.uuid
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289 start = hg_editor.last_known_revision()
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290 else:
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291 open(hg_editor.uuid_file, 'w').write(svn.uuid)
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292 open(hg_editor.svn_url_file, 'w').write(svn_url)
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293 initializing_repo = True
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294 start = skipto_rev
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295
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296 if initializing_repo and start > 0:
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297 raise hgutil.Abort('Revision skipping at repository initialization '
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298 'remains unimplemented.')
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299
283
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300 revisions = 0
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301 if not initializing_repo:
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302 oldheads = len(repo.changelog.heads())
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303
257
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304 # start converting revisions
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305 for r in svn.revisions(start=start):
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306 valid = True
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307 hg_editor.update_branch_tag_map_for_rev(r)
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308 for p in r.paths:
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309 if hg_editor._is_path_valid(p):
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310 valid = True
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311 break
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312 if valid:
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313 # got a 502? Try more than once!
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314 tries = 0
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315 converted = False
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316 while not converted:
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317 try:
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318 util.describe_revision(ui, r)
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319 if have_replay:
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320 try:
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321 cmdutil.replay_convert_rev(hg_editor, svn, r)
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322 except svnwrap.SubversionRepoCanNotReplay, e: #pragma: no cover
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323 ui.status('%s\n' % e.message)
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324 stupidmod.print_your_svn_is_old_message(ui)
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325 have_replay = False
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326 stupidmod.svn_server_pull_rev(ui, svn, hg_editor, r)
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327 else:
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328 stupidmod.svn_server_pull_rev(ui, svn, hg_editor, r)
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329 converted = True
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330 except core.SubversionException, e: #pragma: no cover
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331 if (e.apr_err == core.SVN_ERR_RA_DAV_REQUEST_FAILED
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332 and '502' in str(e)
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333 and tries < 3):
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334 tries += 1
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335 ui.status('Got a 502, retrying (%s)\n' % tries)
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336 else:
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337 raise hgutil.Abort(*e.args)
283
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338 revisions += 1
257
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339 util.swap_out_encoding(old_encoding)
264
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340
283
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341 if revisions == 0:
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342 ui.status(i18n._("no changes found\n"))
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343 return
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344 else:
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345 ui.status("added %d svn revisions\n" % revisions)
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diff changeset
346 if not initializing_repo:
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347 newheads = len(repo.changelog.heads())
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348 # postincoming needs to know if heads were added or removed
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349 # calculation based on mercurial.localrepo.addchangegroup
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350 # 0 means no changes, 1 no new heads, > 1 new heads, < 0 heads removed
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351 modheads = newheads - oldheads + (newheads < oldheads and -1 or 1)
284
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352 commands.postincoming(ui, repo, modheads, opts.get('update'), checkout)
283
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diff changeset
353
264
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diff changeset
354
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355 def rebase(orig, ui, repo, **opts):
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356 """rebase current unpushed revisions onto the Subversion head
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357
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358 This moves a line of development from making its own head to the top of
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diff changeset
359 Subversion development, linearizing the changes. In order to make sure you
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diff changeset
360 rebase on top of the current top of Subversion work, you should probably run
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diff changeset
361 'hg svn pull' before running this.
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diff changeset
362
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diff changeset
363 Also looks for svnextrafn and svnsourcerev in **opts.
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diff changeset
364 """
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diff changeset
365 if not opts.get('svn', False):
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366 return orig(ui, repo, **opts)
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diff changeset
367 def extrafn2(ctx, extra):
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368 """defined here so we can add things easily.
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369 """
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diff changeset
370 extra['branch'] = ctx.branch()
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diff changeset
371 extrafn = opts.get('svnextrafn', extrafn2)
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diff changeset
372 sourcerev = opts.get('svnsourcerev', repo.parents()[0].node())
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373 hge = hg_delta_editor.HgChangeReceiver(repo=repo)
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374 svn_commit_hashes = dict(zip(hge.revmap.itervalues(),
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diff changeset
375 hge.revmap.iterkeys()))
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diff changeset
376 o_r = util.outgoing_revisions(ui, repo, hge, svn_commit_hashes, sourcerev=sourcerev)
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diff changeset
377 if not o_r:
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diff changeset
378 ui.status('Nothing to rebase!\n')
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diff changeset
379 return 0
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diff changeset
380 if len(repo[sourcerev].children()):
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diff changeset
381 ui.status('Refusing to rebase non-head commit like a coward\n')
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diff changeset
382 return 0
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diff changeset
383 parent_rev = repo[o_r[-1]].parents()[0]
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diff changeset
384 target_rev = parent_rev
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diff changeset
385 p_n = parent_rev.node()
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diff changeset
386 exhausted_choices = False
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diff changeset
387 while target_rev.children() and not exhausted_choices:
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diff changeset
388 for c in target_rev.children():
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diff changeset
389 exhausted_choices = True
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diff changeset
390 n = c.node()
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diff changeset
391 if (n in svn_commit_hashes and
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diff changeset
392 svn_commit_hashes[n][1] == svn_commit_hashes[p_n][1]):
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diff changeset
393 target_rev = c
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diff changeset
394 exhausted_choices = False
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diff changeset
395 break
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diff changeset
396 if parent_rev == target_rev:
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diff changeset
397 ui.status('Already up to date!\n')
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diff changeset
398 return 0
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diff changeset
399 return orig(ui, repo, dest=node.hex(target_rev.node()),
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parents: 263
diff changeset
400 base=node.hex(sourcerev),
112d57bb736e rebase: moved to wrappers, now a wrapper around rebase triggered with --svn.
Augie Fackler <durin42@gmail.com>
parents: 263
diff changeset
401 extrafn=extrafn)