annotate hgext/convert/hg.py @ 5013:6c1029aacc9a

convert: Support Mercurial as a source, as well as a sink
author Bryan O'Sullivan <bos@serpentine.com>
date Thu, 26 Jul 2007 13:34:36 -0700
parents 89fbb0a5e8e3
children 914054ca532e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # hg backend for convert extension
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2
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3 # Note for hg->hg conversion: Old versions of Mercurial didn't trim
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4 # the whitespace from the ends of commit messages, but new versions
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5 # do. Changesets created by those older versions, then converted, may
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6 # thus have different hashes for changesets that are otherwise
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7 # identical.
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8
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9
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10 import os, time
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11 from mercurial.node import *
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12 from mercurial import hg, revlog, util
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13
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14 from common import NoRepo, commit, converter_source, converter_sink
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15
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16 class mercurial_sink(converter_sink):
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17 def __init__(self, ui, path):
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18 self.path = path
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19 self.ui = ui
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20 try:
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21 self.repo = hg.repository(self.ui, path)
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22 except:
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23 raise NoRepo("could not open hg repo %s as sink" % path)
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24
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25 def revmapfile(self):
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26 return os.path.join(self.path, ".hg", "shamap")
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27
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28 def authorfile(self):
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29 return os.path.join(self.path, ".hg", "authormap")
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30
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31 def getheads(self):
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32 h = self.repo.changelog.heads()
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33 return [ hg.hex(x) for x in h ]
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34
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35 def putfile(self, f, e, data):
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36 self.repo.wwrite(f, data, e)
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37 if f not in self.repo.dirstate:
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38 self.repo.dirstate.add(f)
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39
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40 def copyfile(self, source, dest):
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41 self.repo.copy(source, dest)
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42
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43 def delfile(self, f):
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44 try:
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45 os.unlink(self.repo.wjoin(f))
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46 #self.repo.remove([f])
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47 except:
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48 pass
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49
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50 def putcommit(self, files, parents, commit):
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51 seen = {}
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52 pl = []
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53 for p in parents:
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54 if p not in seen:
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55 pl.append(p)
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56 seen[p] = 1
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57 parents = pl
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58
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59 if len(parents) < 2: parents.append("0" * 40)
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60 if len(parents) < 2: parents.append("0" * 40)
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61 p2 = parents.pop(0)
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62
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63 text = commit.desc
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64 extra = {}
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65 if commit.branch:
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66 extra['branch'] = commit.branch
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67 if commit.rev:
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68 extra['convert_revision'] = commit.rev
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69
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70 while parents:
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71 p1 = p2
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72 p2 = parents.pop(0)
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73 a = self.repo.rawcommit(files, text, commit.author, commit.date,
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74 hg.bin(p1), hg.bin(p2), extra=extra)
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75 text = "(octopus merge fixup)\n"
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76 p2 = hg.hex(self.repo.changelog.tip())
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77
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78 return p2
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79
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80 def puttags(self, tags):
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81 try:
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82 old = self.repo.wfile(".hgtags").read()
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83 oldlines = old.splitlines(1)
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84 oldlines.sort()
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85 except:
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86 oldlines = []
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87
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88 k = tags.keys()
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89 k.sort()
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90 newlines = []
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91 for tag in k:
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92 newlines.append("%s %s\n" % (tags[tag], tag))
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93
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94 newlines.sort()
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95
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96 if newlines != oldlines:
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97 self.ui.status("updating tags\n")
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98 f = self.repo.wfile(".hgtags", "w")
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99 f.write("".join(newlines))
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100 f.close()
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101 if not oldlines: self.repo.add([".hgtags"])
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102 date = "%s 0" % int(time.mktime(time.gmtime()))
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103 self.repo.rawcommit([".hgtags"], "update tags", "convert-repo",
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104 date, self.repo.changelog.tip(), hg.nullid)
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105 return hg.hex(self.repo.changelog.tip())
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106
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107 class mercurial_source(converter_source):
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108 def __init__(self, ui, path, rev=None):
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109 converter_source.__init__(self, ui, path, rev)
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110 self.repo = hg.repository(self.ui, path)
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111 self.lastrev = None
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112 self.lastctx = None
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113
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114 def changectx(self, rev):
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115 if self.lastrev != rev:
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116 self.lastctx = self.repo.changectx(rev)
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117 self.lastrev = rev
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118 return self.lastctx
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119
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120 def getheads(self):
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121 return [hex(node) for node in self.repo.heads()]
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122
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123 def getfile(self, name, rev):
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124 try:
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125 return self.changectx(rev).filectx(name).data()
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126 except revlog.LookupError, err:
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127 raise IOError(err)
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128
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129 def getmode(self, name, rev):
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130 m = self.changectx(rev).manifest()
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131 return (m.execf(name) and 'x' or '') + (m.linkf(name) and 'l' or '')
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132
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133 def getchanges(self, rev):
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134 ctx = self.changectx(rev)
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135 m, a, r = self.repo.status(ctx.parents()[0].node(), ctx.node())[:3]
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136 changes = [(name, rev) for name in m + a + r]
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137 changes.sort()
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138 return changes
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139
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140 def getcopies(self, ctx):
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141 added = self.repo.status(ctx.parents()[0].node(), ctx.node())[1]
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142 copies = {}
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143 for name in added:
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parents: 5011
diff changeset
144 try:
6c1029aacc9a convert: Support Mercurial as a source, as well as a sink
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145 copies[name] = ctx.filectx(name).renamed()[0]
6c1029aacc9a convert: Support Mercurial as a source, as well as a sink
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146 except TypeError:
6c1029aacc9a convert: Support Mercurial as a source, as well as a sink
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147 pass
6c1029aacc9a convert: Support Mercurial as a source, as well as a sink
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148 return copies
6c1029aacc9a convert: Support Mercurial as a source, as well as a sink
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149
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150 def getcommit(self, rev):
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151 ctx = self.changectx(rev)
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152 parents = [hex(p.node()) for p in ctx.parents() if p.node() != nullid]
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153 return commit(author=ctx.user(), date=util.datestr(ctx.date()),
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diff changeset
154 desc=ctx.description(), parents=parents,
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155 branch=ctx.branch(), copies=self.getcopies(ctx))
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156
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157 def gettags(self):
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158 tags = [t for t in self.repo.tagslist() if t[0] != 'tip']
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159 return dict([(name, hex(node)) for name, node in tags])