Mercurial > hg > mercurial-crew-with-dirclash
annotate hgext/convert/__init__.py @ 5483:0c43f87baba3 default tip
Fix file-changed-to-dir and dir-to-file commits (issue660).
Allow adding to dirstate files that clash with previously existing
but marked for removal. Protect from reintroducing clashes by revert.
This change doesn't address related issues with update. Current
workaround is to do "clean" update by manually removing conflicting
files/dirs from working directory.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sat, 27 Oct 2007 16:27:55 +0400 |
parents | 71e7c86adcb7 |
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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> |
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, ui, util, commands |
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18 from mercurial.i18n import _ |
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19 |
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20 commands.norepo += " convert debugsvnlog" |
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21 |
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22 source_converters = [ |
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23 ('cvs', convert_cvs), |
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24 ('git', convert_git), |
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25 ('svn', svn_source), |
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26 ('hg', mercurial_source), |
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27 ('darcs', darcs_source), |
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28 ] |
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29 |
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30 sink_converters = [ |
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31 ('hg', mercurial_sink), |
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32 ] |
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33 |
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34 def convertsource(ui, path, type, rev): |
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35 for name, source in source_converters: |
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36 try: |
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37 if not type or name == type: |
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38 return source(ui, path, rev) |
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39 except NoRepo, inst: |
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40 ui.note(_("convert: %s\n") % inst) |
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41 raise util.Abort('%s: unknown repository type' % path) |
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42 |
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43 def convertsink(ui, path, type): |
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44 for name, sink in sink_converters: |
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45 try: |
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46 if not type or name == type: |
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47 return sink(ui, path) |
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48 except NoRepo, inst: |
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49 ui.note(_("convert: %s\n") % inst) |
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50 raise util.Abort('%s: unknown repository type' % path) |
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51 |
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52 class converter(object): |
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53 def __init__(self, ui, source, dest, revmapfile, opts): |
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54 |
316 | 55 self.source = source |
56 self.dest = dest | |
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57 self.ui = ui |
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58 self.opts = opts |
316 | 59 self.commitcache = {} |
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60 self.revmapfile = revmapfile |
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61 self.revmapfilefd = None |
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62 self.authors = {} |
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63 self.authorfile = None |
316 | 64 |
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65 self.maporder = [] |
316 | 66 self.map = {} |
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67 try: |
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68 origrevmapfile = open(self.revmapfile, 'r') |
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69 for l in origrevmapfile: |
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70 sv, dv = l[:-1].split() |
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71 if sv not in self.map: |
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72 self.maporder.append(sv) |
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73 self.map[sv] = dv |
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74 origrevmapfile.close() |
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75 except IOError: |
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76 pass |
316 | 77 |
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78 # Read first the dst author map if any |
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79 authorfile = self.dest.authorfile() |
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80 if authorfile and os.path.exists(authorfile): |
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81 self.readauthormap(authorfile) |
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82 # Extend/Override with new author map if necessary |
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83 if opts.get('authors'): |
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84 self.readauthormap(opts.get('authors')) |
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85 self.authorfile = self.dest.authorfile() |
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86 |
316 | 87 def walktree(self, heads): |
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88 '''Return a mapping that identifies the uncommitted parents of every |
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89 uncommitted changeset.''' |
316 | 90 visit = heads |
91 known = {} | |
92 parents = {} | |
93 while visit: | |
94 n = visit.pop(0) | |
95 if n in known or n in self.map: continue | |
96 known[n] = 1 | |
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97 commit = self.cachecommit(n) |
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98 parents[n] = [] |
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99 for p in commit.parents: |
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100 parents[n].append(p) |
316 | 101 visit.append(p) |
102 | |
103 return parents | |
104 | |
105 def toposort(self, parents): | |
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106 '''Return an ordering such that every uncommitted changeset is |
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107 preceeded by all its uncommitted ancestors.''' |
316 | 108 visit = parents.keys() |
109 seen = {} | |
110 children = {} | |
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111 |
316 | 112 while visit: |
113 n = visit.pop(0) | |
114 if n in seen: continue | |
115 seen[n] = 1 | |
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116 # Ensure that nodes without parents are present in the 'children' |
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117 # mapping. |
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118 children.setdefault(n, []) |
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119 for p in parents[n]: |
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120 if not p in self.map: |
316 | 121 visit.append(p) |
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122 children.setdefault(p, []).append(n) |
316 | 123 |
124 s = [] | |
125 removed = {} | |
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126 visit = children.keys() |
316 | 127 while visit: |
128 n = visit.pop(0) | |
129 if n in removed: continue | |
130 dep = 0 | |
131 if n in parents: | |
132 for p in parents[n]: | |
133 if p in self.map: continue | |
134 if p not in removed: | |
135 # we're still dependent | |
136 visit.append(n) | |
137 dep = 1 | |
138 break | |
139 | |
140 if not dep: | |
141 # all n's parents are in the list | |
142 removed[n] = 1 | |
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143 if n not in self.map: |
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144 s.append(n) |
316 | 145 if n in children: |
146 for c in children[n]: | |
147 visit.insert(0, c) | |
148 | |
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149 if self.opts.get('datesort'): |
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150 depth = {} |
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151 for n in s: |
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152 depth[n] = 0 |
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153 pl = [p for p in self.commitcache[n].parents |
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154 if p not in self.map] |
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|
155 if pl: |
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|
156 depth[n] = max([depth[p] for p in pl]) + 1 |
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|
157 |
2b87d3c5ab8e
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|
158 s = [(depth[n], self.commitcache[n].date, n) for n in s] |
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diff
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|
159 s.sort() |
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|
160 s = [e[2] for e in s] |
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|
161 |
316 | 162 return s |
163 | |
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diff
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|
164 def mapentry(self, src, dst): |
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convert: rename mapfile to revmapfile, so we can map more than just revs
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|
165 if self.revmapfilefd is None: |
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|
166 try: |
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diff
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|
167 self.revmapfilefd = open(self.revmapfile, "a") |
4588
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|
168 except IOError, (errno, strerror): |
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convert: rename mapfile to revmapfile, so we can map more than just revs
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diff
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|
169 raise util.Abort("Could not open map file %s: %s, %s\n" % (self.revmapfile, errno, strerror)) |
4588
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diff
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170 self.map[src] = dst |
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diff
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|
171 self.revmapfilefd.write("%s %s\n" % (src, dst)) |
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|
172 self.revmapfilefd.flush() |
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173 |
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diff
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|
174 def writeauthormap(self): |
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175 authorfile = self.authorfile |
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|
176 if authorfile: |
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diff
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|
177 self.ui.status('Writing author map file %s\n' % authorfile) |
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178 ofile = open(authorfile, 'w+') |
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179 for author in self.authors: |
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180 ofile.write("%s=%s\n" % (author, self.authors[author])) |
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181 ofile.close() |
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182 |
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183 def readauthormap(self, authorfile): |
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184 afile = open(authorfile, 'r') |
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185 for line in afile: |
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|
186 try: |
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187 srcauthor = line.split('=')[0].strip() |
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188 dstauthor = line.split('=')[1].strip() |
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189 if srcauthor in self.authors and dstauthor != self.authors[srcauthor]: |
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190 self.ui.status( |
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|
191 'Overriding mapping for author %s, was %s, will be %s\n' |
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|
192 % (srcauthor, self.authors[srcauthor], dstauthor)) |
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|
193 else: |
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|
194 self.ui.debug('Mapping author %s to %s\n' |
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|
195 % (srcauthor, dstauthor)) |
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|
196 self.authors[srcauthor] = dstauthor |
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|
197 except IndexError: |
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|
198 self.ui.warn( |
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|
199 'Ignoring bad line in author file map %s: %s\n' |
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|
200 % (authorfile, line)) |
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diff
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|
201 afile.close() |
4589
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diff
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|
202 |
5201
653790c2fa52
convert: wrap cached commits author remapping
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parents:
5192
diff
changeset
|
203 def cachecommit(self, rev): |
653790c2fa52
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5192
diff
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|
204 commit = self.source.getcommit(rev) |
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5192
diff
changeset
|
205 commit.author = self.authors.get(commit.author, commit.author) |
653790c2fa52
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5192
diff
changeset
|
206 self.commitcache[rev] = commit |
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5192
diff
changeset
|
207 return commit |
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5192
diff
changeset
|
208 |
316 | 209 def copy(self, rev): |
5016
4ebc8693ce72
convert: add filename filtering and renaming support
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5014
diff
changeset
|
210 commit = self.commitcache[rev] |
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5014
diff
changeset
|
211 do_copies = hasattr(self.dest, 'copyfile') |
4ebc8693ce72
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5014
diff
changeset
|
212 filenames = [] |
4939
cdd33a048289
removed trailing whitespace
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4905
diff
changeset
|
213 |
5374
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diff
changeset
|
214 changes = self.source.getchanges(rev) |
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diff
changeset
|
215 if isinstance(changes, basestring): |
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diff
changeset
|
216 if changes == SKIPREV: |
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diff
changeset
|
217 dest = SKIPREV |
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|
218 else: |
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diff
changeset
|
219 dest = self.map[changes] |
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diff
changeset
|
220 self.mapentry(rev, dest) |
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diff
changeset
|
221 return |
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diff
changeset
|
222 files, copies = changes |
5172
6b4c332f241b
convert: hg: optionally create branches as clones
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parents:
5117
diff
changeset
|
223 parents = [self.map[r] for r in commit.parents] |
6b4c332f241b
convert: hg: optionally create branches as clones
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parents:
5117
diff
changeset
|
224 if commit.parents: |
5202
6f636d13f6b8
convert: load parent commits on-demand
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parents:
5201
diff
changeset
|
225 prev = commit.parents[0] |
6f636d13f6b8
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diff
changeset
|
226 if prev not in self.commitcache: |
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diff
changeset
|
227 self.cachecommit(prev) |
6f636d13f6b8
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5201
diff
changeset
|
228 pbranch = self.commitcache[prev].branch |
5172
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diff
changeset
|
229 else: |
6b4c332f241b
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diff
changeset
|
230 pbranch = None |
6b4c332f241b
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5117
diff
changeset
|
231 self.dest.setbranch(commit.branch, pbranch, parents) |
5076
ef338e34a906
convert: look up copies in getchanges instead of getcommit
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parents:
5018
diff
changeset
|
232 for f, v in files: |
5375
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convert: disable current --filemap support
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5374
diff
changeset
|
233 filenames.append(f) |
316 | 234 try: |
235 data = self.source.getfile(f, v) | |
236 except IOError, inst: | |
5375
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diff
changeset
|
237 self.dest.delfile(f) |
316 | 238 else: |
3957
558f52943cd2
convert-repo: add CVS exec bit support
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parents:
3955
diff
changeset
|
239 e = self.source.getmode(f, v) |
5375
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diff
changeset
|
240 self.dest.putfile(f, e, data) |
4758
b6a1f2c46c6c
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parents:
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diff
changeset
|
241 if do_copies: |
5076
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convert: look up copies in getchanges instead of getcommit
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5018
diff
changeset
|
242 if f in copies: |
5375
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changeset
|
243 copyf = copies[f] |
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changeset
|
244 # Merely marks that a copy happened. |
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changeset
|
245 self.dest.copyfile(copyf, f) |
4758
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diff
changeset
|
246 |
5375
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changeset
|
247 newnode = self.dest.putcommit(filenames, parents, commit) |
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changeset
|
248 self.mapentry(rev, newnode) |
316 | 249 |
250 def convert(self): | |
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changeset
|
251 try: |
5352
f0931c0240b4
convert: add before/after hooks for converter sources
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5281
diff
changeset
|
252 self.source.before() |
5014
914054ca532e
convert: acquire/release locks periodically
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parents:
5013
diff
changeset
|
253 self.dest.before() |
5373
6aba1835a7b3
convert: pass the order of the revmapfile to the converter_source
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5355
diff
changeset
|
254 self.source.setrevmap(self.map, self.maporder) |
4588
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changeset
|
255 self.ui.status("scanning source...\n") |
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changeset
|
256 heads = self.source.getheads() |
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changeset
|
257 parents = self.walktree(heads) |
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changeset
|
258 self.ui.status("sorting...\n") |
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changeset
|
259 t = self.toposort(parents) |
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changeset
|
260 num = len(t) |
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diff
changeset
|
261 c = None |
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changeset
|
262 |
9855939d0c82
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diff
changeset
|
263 self.ui.status("converting...\n") |
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diff
changeset
|
264 for c in t: |
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diff
changeset
|
265 num -= 1 |
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diff
changeset
|
266 desc = self.commitcache[c].desc |
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diff
changeset
|
267 if "\n" in desc: |
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changeset
|
268 desc = desc.splitlines()[0] |
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diff
changeset
|
269 self.ui.status("%d %s\n" % (num, desc)) |
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diff
changeset
|
270 self.copy(c) |
316 | 271 |
4588
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changeset
|
272 tags = self.source.gettags() |
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changeset
|
273 ctags = {} |
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diff
changeset
|
274 for k in tags: |
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diff
changeset
|
275 v = tags[k] |
5374
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diff
changeset
|
276 if self.map.get(v, SKIPREV) != SKIPREV: |
4588
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diff
changeset
|
277 ctags[k] = self.map[v] |
316 | 278 |
4588
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diff
changeset
|
279 if c and ctags: |
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280 nrev = self.dest.puttags(ctags) |
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281 # write another hash correspondence to override the previous |
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282 # one so we don't end up with extra tag heads |
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283 if nrev: |
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284 self.mapentry(c, nrev) |
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285 |
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286 self.writeauthormap() |
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287 finally: |
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288 self.cleanup() |
694 | 289 |
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290 def cleanup(self): |
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291 try: |
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292 self.dest.after() |
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293 finally: |
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294 self.source.after() |
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295 if self.revmapfilefd: |
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296 self.revmapfilefd.close() |
694 | 297 |
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298 def convert(ui, src, dest=None, revmapfile=None, **opts): |
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299 """Convert a foreign SCM repository to a Mercurial one. |
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300 |
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301 Accepted source formats: |
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302 - CVS |
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303 - Darcs |
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304 - git |
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305 - Subversion |
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306 |
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307 Accepted destination formats: |
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308 - Mercurial |
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309 |
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310 If no revision is given, all revisions will be converted. Otherwise, |
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311 convert will only import up to the named revision (given in a format |
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312 understood by the source). |
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313 |
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314 If no destination directory name is specified, it defaults to the |
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315 basename of the source with '-hg' appended. If the destination |
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316 repository doesn't exist, it will be created. |
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317 |
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318 If <revmapfile> isn't given, it will be put in a default location |
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319 (<dest>/.hg/shamap by default). The <revmapfile> is a simple text |
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320 file that maps each source commit ID to the destination ID for |
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321 that revision, like so: |
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322 <source ID> <destination ID> |
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323 |
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324 If the file doesn't exist, it's automatically created. It's updated |
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325 on each commit copied, so convert-repo can be interrupted and can |
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326 be run repeatedly to copy new commits. |
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327 |
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328 The [username mapping] file is a simple text file that maps each source |
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329 commit author to a destination commit author. It is handy for source SCMs |
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330 that use unix logins to identify authors (eg: CVS). One line per author |
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331 mapping and the line format is: |
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332 srcauthor=whatever string you want |
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333 |
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334 The filemap is a file that allows filtering and remapping of files |
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335 and directories. Comment lines start with '#'. Each line can |
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336 contain one of the following directives: |
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337 |
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338 include path/to/file |
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339 |
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340 exclude path/to/file |
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341 |
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342 rename from/file to/file |
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343 |
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344 The 'include' directive causes a file, or all files under a |
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345 directory, to be included in the destination repository. The |
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346 'exclude' directive causes files or directories to be omitted. |
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347 The 'rename' directive renames a file or directory. To rename |
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348 from a subdirectory into the root of the repository, use '.' as |
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349 the path to rename to. |
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350 """ |
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351 |
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352 util._encoding = 'UTF-8' |
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353 |
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354 if not dest: |
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355 dest = hg.defaultdest(src) + "-hg" |
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356 ui.status("assuming destination %s\n" % dest) |
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357 |
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358 destc = convertsink(ui, dest, opts.get('dest_type')) |
316 | 359 |
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360 try: |
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361 srcc = convertsource(ui, src, opts.get('source_type'), |
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362 opts.get('rev')) |
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363 except Exception: |
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364 for path in destc.created: |
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365 shutil.rmtree(path, True) |
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366 raise |
316 | 367 |
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368 fmap = opts.get('filemap') |
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369 if fmap: |
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370 srcc = filemap.filemap_source(ui, srcc, fmap) |
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371 destc.setfilemapmode(True) |
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372 |
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373 if not revmapfile: |
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374 try: |
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375 revmapfile = destc.revmapfile() |
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376 except: |
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377 revmapfile = os.path.join(destc, "map") |
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378 |
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379 c = converter(ui, srcc, destc, revmapfile, opts) |
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380 c.convert() |
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381 |
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382 |
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383 cmdtable = { |
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384 "convert": |
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385 (convert, |
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386 [('A', 'authors', '', 'username mapping filename'), |
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387 ('d', 'dest-type', '', 'destination repository type'), |
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388 ('', 'filemap', '', 'remap file names using contents of file'), |
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389 ('r', 'rev', '', 'import up to target revision REV'), |
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390 ('s', 'source-type', '', 'source repository type'), |
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391 ('', 'datesort', None, 'try to sort changesets by date')], |
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392 'hg convert [OPTION]... SOURCE [DEST [MAPFILE]]'), |
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393 "debugsvnlog": |
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394 (debugsvnlog, |
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395 [], |
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396 'hg debugsvnlog'), |
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397 } |
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398 |