Mercurial > hg > mercurial-source

annotate hgext/convert/__init__.py @ 4635:63b9d2deed48

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated copyright notices and add "and others" to "hg version"
author Thomas Arendsen Hein <thomas@intevation.de>
date Tue, 19 Jun 2007 08:51:34 +0200
parents 9ec0a3b6a18a
children 1069205a8894
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rev   line source
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1 # convert.py Foreign SCM converter
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2 #
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3 # Copyright 2005-2007 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 self.readauthormap(opts.get('authors'))
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60 self.authorfile = self.dest.authorfile()
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61
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62 def walktree(self, heads):
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63 visit = heads
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64 known = {}
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65 parents = {}
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66 while visit:
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67 n = visit.pop(0)
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68 if n in known or n in self.map: continue
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69 known[n] = 1
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70 self.commitcache[n] = self.source.getcommit(n)
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71 cp = self.commitcache[n].parents
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72 for p in cp:
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73 parents.setdefault(n, []).append(p)
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74 visit.append(p)
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75
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76 return parents
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77
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78 def toposort(self, parents):
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79 visit = parents.keys()
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80 seen = {}
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81 children = {}
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82
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83 while visit:
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84 n = visit.pop(0)
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85 if n in seen: continue
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86 seen[n] = 1
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87 pc = 0
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88 if n in parents:
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89 for p in parents[n]:
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90 if p not in self.map: pc += 1
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91 visit.append(p)
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92 children.setdefault(p, []).append(n)
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93 if not pc: root = n
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94
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95 s = []
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96 removed = {}
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97 visit = children.keys()
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98 while visit:
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99 n = visit.pop(0)
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100 if n in removed: continue
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101 dep = 0
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102 if n in parents:
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103 for p in parents[n]:
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104 if p in self.map: continue
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105 if p not in removed:
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106 # we're still dependent
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107 visit.append(n)
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108 dep = 1
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109 break
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110
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111 if not dep:
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112 # all n's parents are in the list
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113 removed[n] = 1
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114 if n not in self.map:
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115 s.append(n)
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116 if n in children:
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117 for c in children[n]:
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118 visit.insert(0, c)
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119
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120 if self.opts.get('datesort'):
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121 depth = {}
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122 for n in s:
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123 depth[n] = 0
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124 pl = [p for p in self.commitcache[n].parents
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125 if p not in self.map]
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126 if pl:
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127 depth[n] = max([depth[p] for p in pl]) + 1
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128
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129 s = [(depth[n], self.commitcache[n].date, n) for n in s]
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130 s.sort()
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131 s = [e[2] for e in s]
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132
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133 return s
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134
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135 def mapentry(self, src, dst):
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136 if self.mapfilefd is None:
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137 try:
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138 self.mapfilefd = open(self.mapfile, "a")
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139 except IOError, (errno, strerror):
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140 raise util.Abort("Could not open map file %s: %s, %s\n" % (self.mapfile, errno, strerror))
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141 self.map[src] = dst
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142 self.mapfilefd.write("%s %s\n" % (src, dst))
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143 self.mapfilefd.flush()
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144
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145 def writeauthormap(self):
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146 authorfile = self.authorfile
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147 if authorfile:
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148 self.ui.status('Writing author map file %s\n' % authorfile)
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149 ofile = open(authorfile, 'w+')
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150 for author in self.authors:
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151 ofile.write("%s=%s\n" % (author, self.authors[author]))
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152 ofile.close()
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153
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154 def readauthormap(self, authorfile):
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155 afile = open(authorfile, 'r')
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parents: 4589
diff changeset
156 for line in afile:
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parents: 4589
diff changeset
157 try:
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parents: 4589
diff changeset
158 srcauthor = line.split('=')[0].strip()
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diff changeset
159 dstauthor = line.split('=')[1].strip()
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parents: 4589
diff changeset
160 if srcauthor in self.authors and dstauthor != self.authors[srcauthor]:
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parents: 4589
diff changeset
161 self.ui.status(
80fb4ec512b5 convert: fix various authormap handling bugs
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parents: 4589
diff changeset
162 'Overriding mapping for author %s, was %s, will be %s\n'
80fb4ec512b5 convert: fix various authormap handling bugs
Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
163 % (srcauthor, self.authors[srcauthor], dstauthor))
80fb4ec512b5 convert: fix various authormap handling bugs
Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
164 else:
80fb4ec512b5 convert: fix various authormap handling bugs
Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
165 self.ui.debug('Mapping author %s to %s\n'
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Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
166 % (srcauthor, dstauthor))
4589
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Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
167 self.authors[srcauthor] = dstauthor
4590
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parents: 4589
diff changeset
168 except IndexError:
80fb4ec512b5 convert: fix various authormap handling bugs
Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
169 self.ui.warn(
80fb4ec512b5 convert: fix various authormap handling bugs
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parents: 4589
diff changeset
170 'Ignoring bad line in author file map %s: %s\n'
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Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
171 % (authorfile, line))
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Brendan Cully <brendan@kublai.com>
parents: 4589
diff changeset
172 afile.close()
4589
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parents: 4588
diff changeset
173
316
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parents:
diff changeset
174 def copy(self, rev):
3955
9af4b853ed4d convert-repo: add CVS branch support
Matt Mackall <mpm@selenic.com>
parents: 3954
diff changeset
175 c = self.commitcache[rev]
316
c48d069163d6 Add new convert-repo script
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parents:
diff changeset
176 files = self.source.getchanges(rev)
c48d069163d6 Add new convert-repo script
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parents:
diff changeset
177
4532
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parents: 4521
diff changeset
178 for f, v in files:
316
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parents:
diff changeset
179 try:
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parents:
diff changeset
180 data = self.source.getfile(f, v)
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mpm@selenic.com
parents:
diff changeset
181 except IOError, inst:
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parents:
diff changeset
182 self.dest.delfile(f)
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mpm@selenic.com
parents:
diff changeset
183 else:
3957
558f52943cd2 convert-repo: add CVS exec bit support
Matt Mackall <mpm@selenic.com>
parents: 3955
diff changeset
184 e = self.source.getmode(f, v)
316
c48d069163d6 Add new convert-repo script
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parents:
diff changeset
185 self.dest.putfile(f, e, data)
c48d069163d6 Add new convert-repo script
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parents:
diff changeset
186
3955
9af4b853ed4d convert-repo: add CVS branch support
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parents: 3954
diff changeset
187 r = [self.map[v] for v in c.parents]
4532
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
188 f = [f for f, v in files]
4588
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
189 newnode = self.dest.putcommit(f, r, c)
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
190 self.mapentry(rev, newnode)
316
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parents:
diff changeset
191
c48d069163d6 Add new convert-repo script
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parents:
diff changeset
192 def convert(self):
4588
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parents: 4534
diff changeset
193 try:
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parents: 4534
diff changeset
194 self.ui.status("scanning source...\n")
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parents: 4534
diff changeset
195 heads = self.source.getheads()
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parents: 4534
diff changeset
196 parents = self.walktree(heads)
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parents: 4534
diff changeset
197 self.ui.status("sorting...\n")
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parents: 4534
diff changeset
198 t = self.toposort(parents)
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parents: 4534
diff changeset
199 num = len(t)
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parents: 4534
diff changeset
200 c = None
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parents: 4534
diff changeset
201
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
202 self.ui.status("converting...\n")
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parents: 4534
diff changeset
203 for c in t:
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parents: 4534
diff changeset
204 num -= 1
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
205 desc = self.commitcache[c].desc
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
206 if "\n" in desc:
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parents: 4534
diff changeset
207 desc = desc.splitlines()[0]
4589
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diff changeset
208 author = self.commitcache[c].author
451e91ed535e convert extension: Add support for username mapping
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parents: 4588
diff changeset
209 author = self.authors.get(author, author)
451e91ed535e convert extension: Add support for username mapping
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parents: 4588
diff changeset
210 self.commitcache[c].author = author
4588
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parents: 4534
diff changeset
211 self.ui.status("%d %s\n" % (num, desc))
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
212 self.copy(c)
316
c48d069163d6 Add new convert-repo script
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diff changeset
213
4588
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diff changeset
214 tags = self.source.gettags()
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parents: 4534
diff changeset
215 ctags = {}
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
216 for k in tags:
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parents: 4534
diff changeset
217 v = tags[k]
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
218 if v in self.map:
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parents: 4534
diff changeset
219 ctags[k] = self.map[v]
316
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parents:
diff changeset
220
4588
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parents: 4534
diff changeset
221 if c and ctags:
9855939d0c82 convert extension: Save a few opens on the map file
Edouard Gomez <ed.gomez@free.fr>
parents: 4534
diff changeset
222 nrev = self.dest.puttags(ctags)
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Edouard Gomez <ed.gomez@free.fr>
parents: 4534
diff changeset
223 # write another hash correspondence to override the previous
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
224 # one so we don't end up with extra tag heads
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
225 if nrev:
9855939d0c82 convert extension: Save a few opens on the map file
Edouard Gomez <ed.gomez@free.fr>
parents: 4534
diff changeset
226 self.mapentry(c, nrev)
4589
451e91ed535e convert extension: Add support for username mapping
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parents: 4588
diff changeset
227
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
228 self.writeauthormap()
4588
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parents: 4534
diff changeset
229 finally:
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
230 self.cleanup()
694
51eb248d3348 Teach convert-repo about tags
mpm@selenic.com
parents: 692
diff changeset
231
4588
9855939d0c82 convert extension: Save a few opens on the map file
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parents: 4534
diff changeset
232 def cleanup(self):
9855939d0c82 convert extension: Save a few opens on the map file
Edouard Gomez <ed.gomez@free.fr>
parents: 4534
diff changeset
233 if self.mapfilefd:
9855939d0c82 convert extension: Save a few opens on the map file
Edouard Gomez <ed.gomez@free.fr>
parents: 4534
diff changeset
234 self.mapfilefd.close()
694
51eb248d3348 Teach convert-repo about tags
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parents: 692
diff changeset
235
4513
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
236 def _convert(ui, src, dest=None, mapfile=None, **opts):
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
237 '''Convert a foreign SCM repository to a Mercurial one.
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
238
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
239 Accepted source formats:
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
240 - GIT
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
241 - CVS
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
242
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
243 Accepted destination formats:
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
244 - Mercurial
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
245
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
246 If destination isn't given, a new Mercurial repo named <src>-hg will
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
247 be created. If <mapfile> isn't given, it will be put in a default
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
248 location (<dest>/.hg/shamap by default)
ac2fe196ac9b Turns convert.py into a real extension
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parents: 4512
diff changeset
249
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
250 The <mapfile> is a simple text file that maps each source commit ID to
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
251 the destination ID for that revision, like so:
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
252 <source ID> <destination ID>
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
253
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
254 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
255 on each commit copied, so convert-repo can be interrupted and can
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
256 be run repeatedly to copy new commits.
4589
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
257
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
258 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
259 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
260 that use unix logins to identify authors (eg: CVS). One line per author
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
261 mapping and the line format is:
451e91ed535e convert extension: Add support for username mapping
Edouard Gomez <ed.gomez@free.fr>
parents: 4588
diff changeset
262 srcauthor=whatever string you want
4513
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
263 '''
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
264
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
265 srcc = converter(ui, src)
3947
0fab73b3f453 convert-repo: add some smarts
Matt Mackall <mpm@selenic.com>
parents: 3916
diff changeset
266 if not hasattr(srcc, "getcommit"):
4532
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
267 raise util.Abort("%s: can't read from this repo type" % src)
3947
0fab73b3f453 convert-repo: add some smarts
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parents: 3916
diff changeset
268
0fab73b3f453 convert-repo: add some smarts
Matt Mackall <mpm@selenic.com>
parents: 3916
diff changeset
269 if not dest:
0fab73b3f453 convert-repo: add some smarts
Matt Mackall <mpm@selenic.com>
parents: 3916
diff changeset
270 dest = src + "-hg"
4513
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
271 ui.status("assuming destination %s\n" % dest)
4521
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
272
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
273 # 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
274 if os.path.isdir(dest):
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
275 if len(os.listdir(dest)) > 0:
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
276 try:
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
277 hg.repository(ui, dest)
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
278 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
279 except hg.RepoError:
4521
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
280 raise util.Abort(
4532
c3a78a49d7f0 Some small cleanups for convert extension:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4521
diff changeset
281 "destination directory %s is not empty.\n"
c3a78a49d7f0 Some small cleanups for convert extension:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4521
diff changeset
282 "Please specify an empty directory to be initialized\n"
c3a78a49d7f0 Some small cleanups for convert extension:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4521
diff changeset
283 "or an already initialized mercurial repository"
c3a78a49d7f0 Some small cleanups for convert extension:
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parents: 4521
diff changeset
284 % dest)
4521
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
285 else:
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
286 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
287 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
288 elif os.path.exists(dest):
4532
c3a78a49d7f0 Some small cleanups for convert extension:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4521
diff changeset
289 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
290 else:
d634b61e9cec Add some more smart when initializing destination repository
Edouard Gomez <ed.gomez@free.fr>
parents: 4520
diff changeset
291 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
292 hg.repository(ui, dest, create=True)
4532
c3a78a49d7f0 Some small cleanups for convert extension:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4521
diff changeset
293
4513
ac2fe196ac9b Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents: 4512
diff changeset
294 destc = converter(ui, dest)
3947
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Matt Mackall <mpm@selenic.com>
parents: 3916
diff changeset
295 if not hasattr(destc, "putcommit"):
4532
c3a78a49d7f0 Some small cleanups for convert extension:
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4521
diff changeset
296 raise util.Abort("%s: can't write to this repo type" % src)
316
c48d069163d6 Add new convert-repo script
mpm@selenic.com
parents:
diff changeset
297
3947
0fab73b3f453 convert-repo: add some smarts
Matt Mackall <mpm@selenic.com>
parents: 3916
diff changeset
298 if not mapfile:
0fab73b3f453 convert-repo: add some smarts
Matt Mackall <mpm@selenic.com>
parents: 3916
diff changeset
299 try:
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300 mapfile = destc.mapfile()
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301 except:
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302 mapfile = os.path.join(destc, "map")
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303
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304 c = convert(ui, srcc, destc, mapfile, opts)
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305 c.convert()
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306
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307 cmdtable = {
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308 "convert":
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309 (_convert,
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310 [('A', 'authors', '', 'username mapping filename'),
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311 ('', 'datesort', None, 'try to sort changesets by date')],
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312 'hg convert [OPTION]... SOURCE [DEST [MAPFILE]]'),
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parents: 4512
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313 }