Mercurial > hg
annotate hgext/convert/convcmd.py @ 5621:badbefa55972
convert: move commands definition to ease demandload job (issue 860)
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sun, 09 Dec 2007 15:25:36 +0100 |
parents | hgext/convert/__init__.py@03496d4fa509 |
children | fe2e81229819 e495f3f35b2d |
rev | line source |
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1 # convcmd - convert extension commands definition |
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2 # |
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3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
316 | 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. |
316 | 7 |
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8 from common import NoRepo, SKIPREV, converter_source, converter_sink |
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9 from cvs import convert_cvs |
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10 from darcs import darcs_source |
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11 from git import convert_git |
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12 from hg import mercurial_source, mercurial_sink |
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13 from subversion import svn_source, debugsvnlog |
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14 import filemap |
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15 |
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16 import os, shutil |
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17 from mercurial import hg, util |
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18 from mercurial.i18n import _ |
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19 |
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20 source_converters = [ |
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21 ('cvs', convert_cvs), |
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22 ('git', convert_git), |
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23 ('svn', svn_source), |
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24 ('hg', mercurial_source), |
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25 ('darcs', darcs_source), |
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26 ] |
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27 |
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28 sink_converters = [ |
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29 ('hg', mercurial_sink), |
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30 ] |
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31 |
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32 def convertsource(ui, path, type, rev): |
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33 exceptions = [] |
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34 for name, source in source_converters: |
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35 try: |
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36 if not type or name == type: |
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37 return source(ui, path, rev) |
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38 except NoRepo, inst: |
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39 exceptions.append(inst) |
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40 if not ui.quiet: |
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41 for inst in exceptions: |
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42 ui.write(_("%s\n") % inst) |
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43 raise util.Abort('%s: unknown repository type' % path) |
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44 |
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45 def convertsink(ui, path, type): |
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46 for name, sink in sink_converters: |
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47 try: |
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48 if not type or name == type: |
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49 return sink(ui, path) |
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50 except NoRepo, inst: |
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51 ui.note(_("convert: %s\n") % inst) |
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52 raise util.Abort('%s: unknown repository type' % path) |
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53 |
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54 class converter(object): |
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55 def __init__(self, ui, source, dest, revmapfile, opts): |
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56 |
316 | 57 self.source = source |
58 self.dest = dest | |
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59 self.ui = ui |
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60 self.opts = opts |
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62 self.revmapfile = revmapfile |
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63 self.revmapfilefd = None |
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64 self.authors = {} |
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65 self.authorfile = None |
316 | 66 |
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67 self.maporder = [] |
316 | 68 self.map = {} |
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69 try: |
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70 origrevmapfile = open(self.revmapfile, 'r') |
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71 for l in origrevmapfile: |
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72 sv, dv = l[:-1].split() |
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73 if sv not in self.map: |
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74 self.maporder.append(sv) |
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75 self.map[sv] = dv |
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76 origrevmapfile.close() |
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77 except IOError: |
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78 pass |
316 | 79 |
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80 # Read first the dst author map if any |
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81 authorfile = self.dest.authorfile() |
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82 if authorfile and os.path.exists(authorfile): |
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83 self.readauthormap(authorfile) |
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84 # Extend/Override with new author map if necessary |
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85 if opts.get('authors'): |
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86 self.readauthormap(opts.get('authors')) |
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87 self.authorfile = self.dest.authorfile() |
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88 |
316 | 89 def walktree(self, heads): |
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90 '''Return a mapping that identifies the uncommitted parents of every |
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91 uncommitted changeset.''' |
316 | 92 visit = heads |
93 known = {} | |
94 parents = {} | |
95 while visit: | |
96 n = visit.pop(0) | |
97 if n in known or n in self.map: continue | |
98 known[n] = 1 | |
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99 commit = self.cachecommit(n) |
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100 parents[n] = [] |
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101 for p in commit.parents: |
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102 parents[n].append(p) |
316 | 103 visit.append(p) |
104 | |
105 return parents | |
106 | |
107 def toposort(self, parents): | |
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108 '''Return an ordering such that every uncommitted changeset is |
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109 preceeded by all its uncommitted ancestors.''' |
316 | 110 visit = parents.keys() |
111 seen = {} | |
112 children = {} | |
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113 |
316 | 114 while visit: |
115 n = visit.pop(0) | |
116 if n in seen: continue | |
117 seen[n] = 1 | |
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118 # Ensure that nodes without parents are present in the 'children' |
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119 # mapping. |
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120 children.setdefault(n, []) |
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121 for p in parents[n]: |
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122 if not p in self.map: |
316 | 123 visit.append(p) |
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124 children.setdefault(p, []).append(n) |
316 | 125 |
126 s = [] | |
127 removed = {} | |
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128 visit = children.keys() |
316 | 129 while visit: |
130 n = visit.pop(0) | |
131 if n in removed: continue | |
132 dep = 0 | |
133 if n in parents: | |
134 for p in parents[n]: | |
135 if p in self.map: continue | |
136 if p not in removed: | |
137 # we're still dependent | |
138 visit.append(n) | |
139 dep = 1 | |
140 break | |
141 | |
142 if not dep: | |
143 # all n's parents are in the list | |
144 removed[n] = 1 | |
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145 if n not in self.map: |
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146 s.append(n) |
316 | 147 if n in children: |
148 for c in children[n]: | |
149 visit.insert(0, c) | |
150 | |
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151 if self.opts.get('datesort'): |
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152 depth = {} |
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153 for n in s: |
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154 depth[n] = 0 |
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155 pl = [p for p in self.commitcache[n].parents |
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|
156 if p not in self.map] |
3957
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|
157 if pl: |
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|
158 depth[n] = max([depth[p] for p in pl]) + 1 |
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|
159 |
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|
160 s = [(depth[n], self.commitcache[n].date, n) for n in s] |
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|
161 s.sort() |
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|
162 s = [e[2] for e in s] |
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|
163 |
316 | 164 return s |
165 | |
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166 def mapentry(self, src, dst): |
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167 if self.revmapfilefd is None: |
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168 try: |
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169 self.revmapfilefd = open(self.revmapfile, "a") |
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170 except IOError, (errno, strerror): |
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|
171 raise util.Abort("Could not open map file %s: %s, %s\n" % (self.revmapfile, errno, strerror)) |
4588
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172 self.map[src] = dst |
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173 self.revmapfilefd.write("%s %s\n" % (src, dst)) |
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|
174 self.revmapfilefd.flush() |
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175 |
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|
176 def writeauthormap(self): |
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177 authorfile = self.authorfile |
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178 if authorfile: |
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179 self.ui.status('Writing author map file %s\n' % authorfile) |
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180 ofile = open(authorfile, 'w+') |
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181 for author in self.authors: |
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182 ofile.write("%s=%s\n" % (author, self.authors[author])) |
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183 ofile.close() |
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184 |
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185 def readauthormap(self, authorfile): |
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186 afile = open(authorfile, 'r') |
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187 for line in afile: |
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188 try: |
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189 srcauthor = line.split('=')[0].strip() |
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190 dstauthor = line.split('=')[1].strip() |
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191 if srcauthor in self.authors and dstauthor != self.authors[srcauthor]: |
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192 self.ui.status( |
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|
193 'Overriding mapping for author %s, was %s, will be %s\n' |
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194 % (srcauthor, self.authors[srcauthor], dstauthor)) |
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|
195 else: |
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|
196 self.ui.debug('Mapping author %s to %s\n' |
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|
197 % (srcauthor, dstauthor)) |
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|
198 self.authors[srcauthor] = dstauthor |
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199 except IndexError: |
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200 self.ui.warn( |
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|
201 'Ignoring bad line in author file map %s: %s\n' |
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|
202 % (authorfile, line)) |
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|
203 afile.close() |
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diff
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|
204 |
5203
653790c2fa52
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5195
diff
changeset
|
205 def cachecommit(self, rev): |
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diff
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|
206 commit = self.source.getcommit(rev) |
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diff
changeset
|
207 commit.author = self.authors.get(commit.author, commit.author) |
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diff
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|
208 self.commitcache[rev] = commit |
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diff
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|
209 return commit |
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diff
changeset
|
210 |
316 | 211 def copy(self, rev): |
5016
4ebc8693ce72
convert: add filename filtering and renaming support
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5014
diff
changeset
|
212 commit = self.commitcache[rev] |
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diff
changeset
|
213 do_copies = hasattr(self.dest, 'copyfile') |
4ebc8693ce72
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5014
diff
changeset
|
214 filenames = [] |
4957
cdd33a048289
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4924
diff
changeset
|
215 |
5374
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|
216 changes = self.source.getchanges(rev) |
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changeset
|
217 if isinstance(changes, basestring): |
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|
218 if changes == SKIPREV: |
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diff
changeset
|
219 dest = SKIPREV |
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220 else: |
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changeset
|
221 dest = self.map[changes] |
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|
222 self.mapentry(rev, dest) |
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changeset
|
223 return |
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diff
changeset
|
224 files, copies = changes |
5173
6b4c332f241b
convert: hg: optionally create branches as clones
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parents:
5143
diff
changeset
|
225 parents = [self.map[r] for r in commit.parents] |
6b4c332f241b
convert: hg: optionally create branches as clones
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diff
changeset
|
226 if commit.parents: |
5204
6f636d13f6b8
convert: load parent commits on-demand
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diff
changeset
|
227 prev = commit.parents[0] |
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changeset
|
228 if prev not in self.commitcache: |
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changeset
|
229 self.cachecommit(prev) |
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diff
changeset
|
230 pbranch = self.commitcache[prev].branch |
5173
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diff
changeset
|
231 else: |
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diff
changeset
|
232 pbranch = None |
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diff
changeset
|
233 self.dest.setbranch(commit.branch, pbranch, parents) |
5121
ef338e34a906
convert: look up copies in getchanges instead of getcommit
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parents:
5018
diff
changeset
|
234 for f, v in files: |
5375
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convert: disable current --filemap support
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diff
changeset
|
235 filenames.append(f) |
316 | 236 try: |
237 data = self.source.getfile(f, v) | |
238 except IOError, inst: | |
5375
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diff
changeset
|
239 self.dest.delfile(f) |
316 | 240 else: |
3956
558f52943cd2
convert-repo: add CVS exec bit support
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parents:
3954
diff
changeset
|
241 e = self.source.getmode(f, v) |
5375
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diff
changeset
|
242 self.dest.putfile(f, e, data) |
4765
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diff
changeset
|
243 if do_copies: |
5121
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diff
changeset
|
244 if f in copies: |
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changeset
|
245 copyf = copies[f] |
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changeset
|
246 # Merely marks that a copy happened. |
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changeset
|
247 self.dest.copyfile(copyf, f) |
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|
248 |
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changeset
|
249 newnode = self.dest.putcommit(filenames, parents, commit) |
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|
250 self.mapentry(rev, newnode) |
316 | 251 |
252 def convert(self): | |
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|
253 try: |
5356
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5281
diff
changeset
|
254 self.source.before() |
5014
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convert: acquire/release locks periodically
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5013
diff
changeset
|
255 self.dest.before() |
5373
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5359
diff
changeset
|
256 self.source.setrevmap(self.map, self.maporder) |
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|
257 self.ui.status("scanning source...\n") |
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|
258 heads = self.source.getheads() |
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259 parents = self.walktree(heads) |
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changeset
|
260 self.ui.status("sorting...\n") |
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changeset
|
261 t = self.toposort(parents) |
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|
262 num = len(t) |
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changeset
|
263 c = None |
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changeset
|
264 |
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changeset
|
265 self.ui.status("converting...\n") |
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|
266 for c in t: |
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changeset
|
267 num -= 1 |
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changeset
|
268 desc = self.commitcache[c].desc |
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changeset
|
269 if "\n" in desc: |
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changeset
|
270 desc = desc.splitlines()[0] |
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changeset
|
271 self.ui.status("%d %s\n" % (num, desc)) |
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changeset
|
272 self.copy(c) |
316 | 273 |
4588
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|
274 tags = self.source.gettags() |
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|
275 ctags = {} |
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|
276 for k in tags: |
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changeset
|
277 v = tags[k] |
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changeset
|
278 if self.map.get(v, SKIPREV) != SKIPREV: |
4588
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changeset
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279 ctags[k] = self.map[v] |
316 | 280 |
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281 if c and ctags: |
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282 nrev = self.dest.puttags(ctags) |
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283 # write another hash correspondence to override the previous |
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284 # one so we don't end up with extra tag heads |
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285 if nrev: |
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286 self.mapentry(c, nrev) |
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287 |
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288 self.writeauthormap() |
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289 finally: |
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290 self.cleanup() |
694 | 291 |
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292 def cleanup(self): |
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293 try: |
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294 self.dest.after() |
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295 finally: |
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296 self.source.after() |
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297 if self.revmapfilefd: |
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298 self.revmapfilefd.close() |
694 | 299 |
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300 def convert(ui, src, dest=None, revmapfile=None, **opts): |
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301 util._encoding = 'UTF-8' |
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302 |
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303 if not dest: |
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304 dest = hg.defaultdest(src) + "-hg" |
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305 ui.status("assuming destination %s\n" % dest) |
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306 |
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307 destc = convertsink(ui, dest, opts.get('dest_type')) |
316 | 308 |
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309 try: |
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310 srcc = convertsource(ui, src, opts.get('source_type'), |
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311 opts.get('rev')) |
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312 except Exception: |
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313 for path in destc.created: |
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314 shutil.rmtree(path, True) |
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315 raise |
316 | 316 |
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317 fmap = opts.get('filemap') |
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318 if fmap: |
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319 srcc = filemap.filemap_source(ui, srcc, fmap) |
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320 destc.setfilemapmode(True) |
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321 |
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322 if not revmapfile: |
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323 try: |
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324 revmapfile = destc.revmapfile() |
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325 except: |
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326 revmapfile = os.path.join(destc, "map") |
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327 |
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328 c = converter(ui, srcc, destc, revmapfile, opts) |
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329 c.convert() |
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330 |