Mercurial > hg > mercurial-crew-with-dirclash

annotate hgext/convert/__init__.py @ 4590:80fb4ec512b5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
convert: fix various authormap handling bugs
author Brendan Cully <brendan@kublai.com>
date Thu, 14 Jun 2007 16:12:08 -0700
parents 451e91ed535e
children 9ec0a3b6a18a
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1 # convert.py Foreign SCM converter
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from common import NoRepo
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9 from cvs import convert_cvs
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10 from git import convert_git
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11 from hg import convert_mercurial
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12
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13 import os
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14 from mercurial import hg, ui, util, commands
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15
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16 commands.norepo += " convert"
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17
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18 converters = [convert_cvs, convert_git, convert_mercurial]
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19
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20 def converter(ui, path):
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21 if not os.path.isdir(path):
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22 raise util.Abort("%s: not a directory" % path)
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23 for c in converters:
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24 try:
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25 return c(ui, path)
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26 except NoRepo:
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27 pass
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28 raise util.Abort("%s: unknown repository type" % path)
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29
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30 class convert(object):
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31 def __init__(self, ui, source, dest, mapfile, opts):
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32
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33 self.source = source
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34 self.dest = dest
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35 self.ui = ui
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36 self.opts = opts
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37 self.commitcache = {}
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38 self.mapfile = mapfile
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39 self.mapfilefd = None
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40 self.authors = {}
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41 self.authorfile = None
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42
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43 self.map = {}
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44 try:
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45 origmapfile = open(self.mapfile, 'r')
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46 for l in origmapfile:
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47 sv, dv = l[:-1].split()
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48 self.map[sv] = dv
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49 origmapfile.close()
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50 except IOError:
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51 pass
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52
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53 # Read first the dst author map if any
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54 authorfile = self.dest.authorfile()
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55 if authorfile and os.path.exists(authorfile):
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56 self.readauthormap(authorfile)
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57 # Extend/Override with new author map if necessary
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58 if opts.get('authors'):
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59 import pdb
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60 pdb.set_trace()
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61 self.readauthormap(opts.get('authors'))
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62 self.authorfile = self.dest.authorfile()
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63
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64 def walktree(self, heads):
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65 visit = heads
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66 known = {}
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67 parents = {}
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68 while visit:
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69 n = visit.pop(0)
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70 if n in known or n in self.map: continue
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71 known[n] = 1
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72 self.commitcache[n] = self.source.getcommit(n)
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73 cp = self.commitcache[n].parents
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74 for p in cp:
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75 parents.setdefault(n, []).append(p)
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76 visit.append(p)
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77
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78 return parents
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79
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80 def toposort(self, parents):
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81 visit = parents.keys()
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82 seen = {}
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83 children = {}
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84
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85 while visit:
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86 n = visit.pop(0)
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87 if n in seen: continue
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88 seen[n] = 1
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89 pc = 0
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90 if n in parents:
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91 for p in parents[n]:
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92 if p not in self.map: pc += 1
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93 visit.append(p)
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94 children.setdefault(p, []).append(n)
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95 if not pc: root = n
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96
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97 s = []
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98 removed = {}
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99 visit = children.keys()
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100 while visit:
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101 n = visit.pop(0)
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102 if n in removed: continue
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103 dep = 0
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104 if n in parents:
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105 for p in parents[n]:
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106 if p in self.map: continue
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107 if p not in removed:
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108 # we're still dependent
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109 visit.append(n)
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110 dep = 1
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111 break
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112
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113 if not dep:
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114 # all n's parents are in the list
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115 removed[n] = 1
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116 if n not in self.map:
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117 s.append(n)
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118 if n in children:
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119 for c in children[n]:
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120 visit.insert(0, c)
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121
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122 if self.opts.get('datesort'):
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123 depth = {}
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124 for n in s:
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125 depth[n] = 0
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126 pl = [p for p in self.commitcache[n].parents
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127 if p not in self.map]
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128 if pl:
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129 depth[n] = max([depth[p] for p in pl]) + 1
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130
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131 s = [(depth[n], self.commitcache[n].date, n) for n in s]
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132 s.sort()
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133 s = [e[2] for e in s]
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134
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135 return s
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136
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137 def mapentry(self, src, dst):
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138 if self.mapfilefd is None:
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139 try:
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140 self.mapfilefd = open(self.mapfile, "a")
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141 except IOError, (errno, strerror):
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142 raise util.Abort("Could not open map file %s: %s, %s\n" % (self.mapfile, errno, strerror))
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143 self.map[src] = dst
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144 self.mapfilefd.write("%s %s\n" % (src, dst))
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145 self.mapfilefd.flush()
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146
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147 def writeauthormap(self):
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148 authorfile = self.authorfile
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149 if authorfile:
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150 self.ui.status('Writing author map file %s\n' % authorfile)
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151 ofile = open(authorfile, 'w+')
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152 for author in self.authors:
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153 ofile.write("%s=%s\n" % (author, self.authors[author]))
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154 ofile.close()
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155
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diff changeset
156 def readauthormap(self, authorfile):
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diff changeset
157 afile = open(authorfile, 'r')
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diff changeset
158 for line in afile:
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parents: 4589
diff changeset
159 try:
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parents: 4589
diff changeset
160 srcauthor = line.split('=')[0].strip()
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diff changeset
161 dstauthor = line.split('=')[1].strip()
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diff changeset
162 if srcauthor in self.authors and dstauthor != self.authors[srcauthor]:
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diff changeset
163 self.ui.status(
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diff changeset
164 'Overriding mapping for author %s, was %s, will be %s\n'
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parents: 4589
diff changeset
165 % (srcauthor, self.authors[srcauthor], dstauthor))
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diff changeset
166 else:
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diff changeset
167 self.ui.debug('Mapping author %s to %s\n'
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parents: 4589
diff changeset
168 % (srcauthor, dstauthor))
4589
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diff changeset
169 self.authors[srcauthor] = dstauthor
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diff changeset
170 except IndexError:
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parents: 4589
diff changeset
171 self.ui.warn(
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diff changeset
172 'Ignoring bad line in author file map %s: %s\n'
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parents: 4589
diff changeset
173 % (authorfile, line))
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Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
174 afile.close()
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diff changeset
175
316
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176 def copy(self, rev):
3955
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parents: 3954
diff changeset
177 c = self.commitcache[rev]
316
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parents:
diff changeset
178 files = self.source.getchanges(rev)
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parents:
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179
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180 for f, v in files:
316
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parents:
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181 try:
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parents:
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182 data = self.source.getfile(f, v)
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parents:
diff changeset
183 except IOError, inst:
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parents:
diff changeset
184 self.dest.delfile(f)
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parents:
diff changeset
185 else:
3957
558f52943cd2 convert-repo: add CVS exec bit support
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parents: 3955
diff changeset
186 e = self.source.getmode(f, v)
316
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diff changeset
187 self.dest.putfile(f, e, data)
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parents:
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188
3955
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diff changeset
189 r = [self.map[v] for v in c.parents]
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190 f = [f for f, v in files]
4588
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diff changeset
191 newnode = self.dest.putcommit(f, r, c)
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parents: 4534
diff changeset
192 self.mapentry(rev, newnode)
316
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193
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194 def convert(self):
4588
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diff changeset
195 try:
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196 self.ui.status("scanning source...\n")
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diff changeset
197 heads = self.source.getheads()
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diff changeset
198 parents = self.walktree(heads)
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diff changeset
199 self.ui.status("sorting...\n")
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diff changeset
200 t = self.toposort(parents)
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diff changeset
201 num = len(t)
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parents: 4534
diff changeset
202 c = None
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diff changeset
203
9855939d0c82 convert extension: Save a few opens on the map file
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diff changeset
204 self.ui.status("converting...\n")
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diff changeset
205 for c in t:
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diff changeset
206 num -= 1
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diff changeset
207 desc = self.commitcache[c].desc
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diff changeset
208 if "\n" in desc:
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diff changeset
209 desc = desc.splitlines()[0]
4589
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diff changeset
210 author = self.commitcache[c].author
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diff changeset
211 author = self.authors.get(author, author)
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diff changeset
212 self.commitcache[c].author = author
4588
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diff changeset
213 self.ui.status("%d %s\n" % (num, desc))
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diff changeset
214 self.copy(c)
316
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215
4588
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diff changeset
216 tags = self.source.gettags()
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diff changeset
217 ctags = {}
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diff changeset
218 for k in tags:
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diff changeset
219 v = tags[k]
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diff changeset
220 if v in self.map:
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parents: 4534
diff changeset
221 ctags[k] = self.map[v]
316
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diff changeset
222
4588
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diff changeset
223 if c and ctags:
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parents: 4534
diff changeset
224 nrev = self.dest.puttags(ctags)
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diff changeset
225 # write another hash correspondence to override the previous
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diff changeset
226 # one so we don't end up with extra tag heads
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diff changeset
227 if nrev:
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parents: 4534
diff changeset
228 self.mapentry(c, nrev)
4589
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diff changeset
229
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diff changeset
230 self.writeauthormap()
4588
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diff changeset
231 finally:
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
232 self.cleanup()
694
51eb248d3348 Teach convert-repo about tags
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parents: 692
diff changeset
233
4588
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diff changeset
234 def cleanup(self):
9855939d0c82 convert extension: Save a few opens on the map file
Edouard Gomez <ed.gomez@free.fr>
parents: 4534
diff changeset
235 if self.mapfilefd:
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
236 self.mapfilefd.close()
694
51eb248d3348 Teach convert-repo about tags
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parents: 692
diff changeset
237
4513
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
238 def _convert(ui, src, dest=None, mapfile=None, **opts):
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parents: 4512
diff changeset
239 '''Convert a foreign SCM repository to a Mercurial one.
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
240
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
241 Accepted source formats:
ac2fe196ac9b Turns convert.py into a real extension
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diff changeset
242 - GIT
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
243 - CVS
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
244
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
245 Accepted destination formats:
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
246 - Mercurial
ac2fe196ac9b Turns convert.py into a real extension
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diff changeset
247
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
248 If destination isn't given, a new Mercurial repo named <src>-hg will
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
249 be created. If <mapfile> isn't given, it will be put in a default
ac2fe196ac9b Turns convert.py into a real extension
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diff changeset
250 location (<dest>/.hg/shamap by default)
ac2fe196ac9b Turns convert.py into a real extension
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diff changeset
251
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
252 The <mapfile> is a simple text file that maps each source commit ID to
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
253 the destination ID for that revision, like so:
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
254 <source ID> <destination ID>
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
255
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
256 If the file doesn't exist, it's automatically created. It's updated
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
257 on each commit copied, so convert-repo can be interrupted and can
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
258 be run repeatedly to copy new commits.
4589
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diff changeset
259
451e91ed535e convert extension: Add support for username mapping
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parents: 4588
diff changeset
260 The [username mapping] file is a simple text file that maps each source
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
261 commit author to a destination commit author. It is handy for source SCMs
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
262 that use unix logins to identify authors (eg: CVS). One line per author
451e91ed535e convert extension: Add support for username mapping
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parents: 4588
diff changeset
263 mapping and the line format is:
451e91ed535e convert extension: Add support for username mapping
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parents: 4588
diff changeset
264 srcauthor=whatever string you want
4513
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
265 '''
ac2fe196ac9b Turns convert.py into a real extension
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diff changeset
266
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
267 srcc = converter(ui, src)
3947
0fab73b3f453 convert-repo: add some smarts
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parents: 3916
diff changeset
268 if not hasattr(srcc, "getcommit"):
4532
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parents: 4521
diff changeset
269 raise util.Abort("%s: can't read from this repo type" % src)
3947
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diff changeset
270
0fab73b3f453 convert-repo: add some smarts
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diff changeset
271 if not dest:
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diff changeset
272 dest = src + "-hg"
4513
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diff changeset
273 ui.status("assuming destination %s\n" % dest)
4521
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parents: 4520
diff changeset
274
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
275 # Try to be smart and initalize things when required
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
276 if os.path.isdir(dest):
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
277 if len(os.listdir(dest)) > 0:
d634b61e9cec Add some more smart when initializing destination repository
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parents: 4520
diff changeset
278 try:
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
279 hg.repository(ui, dest)
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
280 ui.status("destination %s is a Mercurial repository\n" % dest)
4532
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
281 except hg.RepoError:
4521
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Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
282 raise util.Abort(
4532
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
283 "destination directory %s is not empty.\n"
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
284 "Please specify an empty directory to be initialized\n"
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
285 "or an already initialized mercurial repository"
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
286 % dest)
4521
d634b61e9cec Add some more smart when initializing destination repository
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parents: 4520
diff changeset
287 else:
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
288 ui.status("initializing destination %s repository\n" % dest)
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
289 hg.repository(ui, dest, create=True)
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
290 elif os.path.exists(dest):
4532
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diff changeset
291 raise util.Abort("destination %s exists and is not a directory" % dest)
4521
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
292 else:
d634b61e9cec Add some more smart when initializing destination repository
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parents: 4520
diff changeset
293 ui.status("initializing destination %s repository\n" % dest)
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Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
294 hg.repository(ui, dest, create=True)
4532
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parents: 4521
diff changeset
295
4513
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parents: 4512
diff changeset
296 destc = converter(ui, dest)
3947
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diff changeset
297 if not hasattr(destc, "putcommit"):
4532
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
298 raise util.Abort("%s: can't write to this repo type" % src)
316
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parents:
diff changeset
299
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300 if not mapfile:
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301 try:
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302 mapfile = destc.mapfile()
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303 except:
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304 mapfile = os.path.join(destc, "map")
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305
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306 c = convert(ui, srcc, destc, mapfile, opts)
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307 c.convert()
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308
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309 cmdtable = {
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310 "convert":
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311 (_convert,
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312 [('A', 'authors', '', 'username mapping filename'),
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313 ('', 'datesort', None, 'try to sort changesets by date')],
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314 'hg convert [OPTION]... SOURCE [DEST [MAPFILE]]'),
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315 }