Mercurial > hg-stable
annotate hgext/convert/__init__.py @ 5521:03496d4fa509
convert: display all errors if we couldn't open the source repo
This should give the user a better hint of what's going wrong.
Improve some error messages. In particular, mention "CVS checkout" instead
of "CVS repo".
Fixes issue822 and issue826.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
---|---|
date | Fri, 09 Nov 2007 20:21:35 -0200 |
parents | 247af577fe29 |
children | 6ffca2bf23da badbefa55972 |
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 exceptions = [] |
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36 for name, source in source_converters: |
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37 try: |
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38 if not type or name == type: |
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39 return source(ui, path, rev) |
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40 except NoRepo, inst: |
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41 exceptions.append(inst) |
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42 if not ui.quiet: |
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43 for inst in exceptions: |
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44 ui.write(_("%s\n") % inst) |
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45 raise util.Abort('%s: unknown repository type' % path) |
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46 |
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47 def convertsink(ui, path, type): |
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48 for name, sink in sink_converters: |
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49 try: |
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50 if not type or name == type: |
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51 return sink(ui, path) |
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52 except NoRepo, inst: |
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53 ui.note(_("convert: %s\n") % inst) |
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54 raise util.Abort('%s: unknown repository type' % path) |
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55 |
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56 class converter(object): |
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57 def __init__(self, ui, source, dest, revmapfile, opts): |
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58 |
316 | 59 self.source = source |
60 self.dest = dest | |
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61 self.ui = ui |
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62 self.opts = opts |
316 | 63 self.commitcache = {} |
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64 self.revmapfile = revmapfile |
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65 self.revmapfilefd = None |
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66 self.authors = {} |
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67 self.authorfile = None |
316 | 68 |
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69 self.maporder = [] |
316 | 70 self.map = {} |
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71 try: |
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72 origrevmapfile = open(self.revmapfile, 'r') |
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73 for l in origrevmapfile: |
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74 sv, dv = l[:-1].split() |
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75 if sv not in self.map: |
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76 self.maporder.append(sv) |
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77 self.map[sv] = dv |
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78 origrevmapfile.close() |
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79 except IOError: |
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80 pass |
316 | 81 |
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82 # Read first the dst author map if any |
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83 authorfile = self.dest.authorfile() |
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84 if authorfile and os.path.exists(authorfile): |
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85 self.readauthormap(authorfile) |
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86 # Extend/Override with new author map if necessary |
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87 if opts.get('authors'): |
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88 self.readauthormap(opts.get('authors')) |
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89 self.authorfile = self.dest.authorfile() |
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90 |
316 | 91 def walktree(self, heads): |
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92 '''Return a mapping that identifies the uncommitted parents of every |
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93 uncommitted changeset.''' |
316 | 94 visit = heads |
95 known = {} | |
96 parents = {} | |
97 while visit: | |
98 n = visit.pop(0) | |
99 if n in known or n in self.map: continue | |
100 known[n] = 1 | |
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101 commit = self.cachecommit(n) |
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102 parents[n] = [] |
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103 for p in commit.parents: |
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104 parents[n].append(p) |
316 | 105 visit.append(p) |
106 | |
107 return parents | |
108 | |
109 def toposort(self, parents): | |
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110 '''Return an ordering such that every uncommitted changeset is |
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111 preceeded by all its uncommitted ancestors.''' |
316 | 112 visit = parents.keys() |
113 seen = {} | |
114 children = {} | |
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115 |
316 | 116 while visit: |
117 n = visit.pop(0) | |
118 if n in seen: continue | |
119 seen[n] = 1 | |
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120 # Ensure that nodes without parents are present in the 'children' |
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121 # mapping. |
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122 children.setdefault(n, []) |
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123 for p in parents[n]: |
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124 if not p in self.map: |
316 | 125 visit.append(p) |
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126 children.setdefault(p, []).append(n) |
316 | 127 |
128 s = [] | |
129 removed = {} | |
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130 visit = children.keys() |
316 | 131 while visit: |
132 n = visit.pop(0) | |
133 if n in removed: continue | |
134 dep = 0 | |
135 if n in parents: | |
136 for p in parents[n]: | |
137 if p in self.map: continue | |
138 if p not in removed: | |
139 # we're still dependent | |
140 visit.append(n) | |
141 dep = 1 | |
142 break | |
143 | |
144 if not dep: | |
145 # all n's parents are in the list | |
146 removed[n] = 1 | |
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147 if n not in self.map: |
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148 s.append(n) |
316 | 149 if n in children: |
150 for c in children[n]: | |
151 visit.insert(0, c) | |
152 | |
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153 if self.opts.get('datesort'): |
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154 depth = {} |
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155 for n in s: |
2b87d3c5ab8e
convert-repo: add option to attempt to sort by date
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diff
changeset
|
156 depth[n] = 0 |
4532
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4521
diff
changeset
|
157 pl = [p for p in self.commitcache[n].parents |
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|
158 if p not in self.map] |
3957
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|
159 if pl: |
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|
160 depth[n] = max([depth[p] for p in pl]) + 1 |
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diff
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|
161 |
2b87d3c5ab8e
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diff
changeset
|
162 s = [(depth[n], self.commitcache[n].date, n) for n in s] |
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diff
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|
163 s.sort() |
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diff
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|
164 s = [e[2] for e in s] |
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diff
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|
165 |
316 | 166 return s |
167 | |
4588
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convert extension: Save a few opens on the map file
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diff
changeset
|
168 def mapentry(self, src, dst): |
5011
89fbb0a5e8e3
convert: rename mapfile to revmapfile, so we can map more than just revs
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diff
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|
169 if self.revmapfilefd is None: |
4588
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|
170 try: |
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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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|
171 self.revmapfilefd = open(self.revmapfile, "a") |
4588
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diff
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|
172 except IOError, (errno, strerror): |
5011
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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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|
173 raise util.Abort("Could not open map file %s: %s, %s\n" % (self.revmapfile, errno, strerror)) |
4588
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convert extension: Save a few opens on the map file
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diff
changeset
|
174 self.map[src] = dst |
5011
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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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|
175 self.revmapfilefd.write("%s %s\n" % (src, dst)) |
89fbb0a5e8e3
convert: rename mapfile to revmapfile, so we can map more than just revs
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diff
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|
176 self.revmapfilefd.flush() |
4588
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diff
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|
177 |
4589
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diff
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|
178 def writeauthormap(self): |
4590
80fb4ec512b5
convert: fix various authormap handling bugs
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diff
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|
179 authorfile = self.authorfile |
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convert: fix various authormap handling bugs
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diff
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|
180 if authorfile: |
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diff
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|
181 self.ui.status('Writing author map file %s\n' % authorfile) |
451e91ed535e
convert extension: Add support for username mapping
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diff
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|
182 ofile = open(authorfile, 'w+') |
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diff
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|
183 for author in self.authors: |
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diff
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|
184 ofile.write("%s=%s\n" % (author, self.authors[author])) |
451e91ed535e
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diff
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|
185 ofile.close() |
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diff
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|
186 |
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diff
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|
187 def readauthormap(self, authorfile): |
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diff
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|
188 afile = open(authorfile, 'r') |
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diff
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|
189 for line in afile: |
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convert: fix various authormap handling bugs
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diff
changeset
|
190 try: |
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diff
changeset
|
191 srcauthor = line.split('=')[0].strip() |
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convert: fix various authormap handling bugs
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diff
changeset
|
192 dstauthor = line.split('=')[1].strip() |
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convert: fix various authormap handling bugs
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diff
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|
193 if srcauthor in self.authors and dstauthor != self.authors[srcauthor]: |
80fb4ec512b5
convert: fix various authormap handling bugs
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diff
changeset
|
194 self.ui.status( |
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diff
changeset
|
195 'Overriding mapping for author %s, was %s, will be %s\n' |
80fb4ec512b5
convert: fix various authormap handling bugs
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diff
changeset
|
196 % (srcauthor, self.authors[srcauthor], dstauthor)) |
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convert: fix various authormap handling bugs
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diff
changeset
|
197 else: |
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diff
changeset
|
198 self.ui.debug('Mapping author %s to %s\n' |
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diff
changeset
|
199 % (srcauthor, dstauthor)) |
4589
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diff
changeset
|
200 self.authors[srcauthor] = dstauthor |
4590
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diff
changeset
|
201 except IndexError: |
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diff
changeset
|
202 self.ui.warn( |
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4589
diff
changeset
|
203 'Ignoring bad line in author file map %s: %s\n' |
80fb4ec512b5
convert: fix various authormap handling bugs
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4589
diff
changeset
|
204 % (authorfile, line)) |
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convert: fix various authormap handling bugs
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4589
diff
changeset
|
205 afile.close() |
4589
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diff
changeset
|
206 |
5203
653790c2fa52
convert: wrap cached commits author remapping
Patrick Mezard <pmezard@gmail.com>
parents:
5195
diff
changeset
|
207 def cachecommit(self, rev): |
653790c2fa52
convert: wrap cached commits author remapping
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5195
diff
changeset
|
208 commit = self.source.getcommit(rev) |
653790c2fa52
convert: wrap cached commits author remapping
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parents:
5195
diff
changeset
|
209 commit.author = self.authors.get(commit.author, commit.author) |
653790c2fa52
convert: wrap cached commits author remapping
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5195
diff
changeset
|
210 self.commitcache[rev] = commit |
653790c2fa52
convert: wrap cached commits author remapping
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parents:
5195
diff
changeset
|
211 return commit |
653790c2fa52
convert: wrap cached commits author remapping
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parents:
5195
diff
changeset
|
212 |
316 | 213 def copy(self, rev): |
5016
4ebc8693ce72
convert: add filename filtering and renaming support
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parents:
5014
diff
changeset
|
214 commit = self.commitcache[rev] |
4ebc8693ce72
convert: add filename filtering and renaming support
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parents:
5014
diff
changeset
|
215 do_copies = hasattr(self.dest, 'copyfile') |
4ebc8693ce72
convert: add filename filtering and renaming support
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parents:
5014
diff
changeset
|
216 filenames = [] |
4957
cdd33a048289
removed trailing whitespace
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4924
diff
changeset
|
217 |
5374
e710874247d1
convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
218 changes = self.source.getchanges(rev) |
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convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
219 if isinstance(changes, basestring): |
e710874247d1
convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
220 if changes == SKIPREV: |
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convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
221 dest = SKIPREV |
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5373
diff
changeset
|
222 else: |
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convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
223 dest = self.map[changes] |
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5373
diff
changeset
|
224 self.mapentry(rev, dest) |
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5373
diff
changeset
|
225 return |
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5373
diff
changeset
|
226 files, copies = changes |
5173
6b4c332f241b
convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents:
5143
diff
changeset
|
227 parents = [self.map[r] for r in commit.parents] |
6b4c332f241b
convert: hg: optionally create branches as clones
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parents:
5143
diff
changeset
|
228 if commit.parents: |
5204
6f636d13f6b8
convert: load parent commits on-demand
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parents:
5203
diff
changeset
|
229 prev = commit.parents[0] |
6f636d13f6b8
convert: load parent commits on-demand
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5203
diff
changeset
|
230 if prev not in self.commitcache: |
6f636d13f6b8
convert: load parent commits on-demand
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5203
diff
changeset
|
231 self.cachecommit(prev) |
6f636d13f6b8
convert: load parent commits on-demand
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5203
diff
changeset
|
232 pbranch = self.commitcache[prev].branch |
5173
6b4c332f241b
convert: hg: optionally create branches as clones
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5143
diff
changeset
|
233 else: |
6b4c332f241b
convert: hg: optionally create branches as clones
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parents:
5143
diff
changeset
|
234 pbranch = None |
6b4c332f241b
convert: hg: optionally create branches as clones
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parents:
5143
diff
changeset
|
235 self.dest.setbranch(commit.branch, pbranch, parents) |
5121
ef338e34a906
convert: look up copies in getchanges instead of getcommit
Brendan Cully <brendan@kublai.com>
parents:
5018
diff
changeset
|
236 for f, v in files: |
5375
dae323e453aa
convert: disable current --filemap support
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parents:
5374
diff
changeset
|
237 filenames.append(f) |
316 | 238 try: |
239 data = self.source.getfile(f, v) | |
240 except IOError, inst: | |
5375
dae323e453aa
convert: disable current --filemap support
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parents:
5374
diff
changeset
|
241 self.dest.delfile(f) |
316 | 242 else: |
3956
558f52943cd2
convert-repo: add CVS exec bit support
Matt Mackall <mpm@selenic.com>
parents:
3954
diff
changeset
|
243 e = self.source.getmode(f, v) |
5375
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convert: disable current --filemap support
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5374
diff
changeset
|
244 self.dest.putfile(f, e, data) |
4765
b6a1f2c46c6c
convert extension: Add SVN converter
Daniel Holth <dholth@fastmail.fm>
parents:
4763
diff
changeset
|
245 if do_copies: |
5121
ef338e34a906
convert: look up copies in getchanges instead of getcommit
Brendan Cully <brendan@kublai.com>
parents:
5018
diff
changeset
|
246 if f in copies: |
5375
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convert: disable current --filemap support
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5374
diff
changeset
|
247 copyf = copies[f] |
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diff
changeset
|
248 # Merely marks that a copy happened. |
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diff
changeset
|
249 self.dest.copyfile(copyf, f) |
4765
b6a1f2c46c6c
convert extension: Add SVN converter
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parents:
4763
diff
changeset
|
250 |
5375
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diff
changeset
|
251 newnode = self.dest.putcommit(filenames, parents, commit) |
4588
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diff
changeset
|
252 self.mapentry(rev, newnode) |
316 | 253 |
254 def convert(self): | |
4588
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changeset
|
255 try: |
5356
f0931c0240b4
convert: add before/after hooks for converter sources
Bryan O'Sullivan <bos@serpentine.com>
parents:
5281
diff
changeset
|
256 self.source.before() |
5014
914054ca532e
convert: acquire/release locks periodically
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parents:
5013
diff
changeset
|
257 self.dest.before() |
5373
6aba1835a7b3
convert: pass the order of the revmapfile to the converter_source
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parents:
5359
diff
changeset
|
258 self.source.setrevmap(self.map, self.maporder) |
4588
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changeset
|
259 self.ui.status("scanning source...\n") |
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changeset
|
260 heads = self.source.getheads() |
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diff
changeset
|
261 parents = self.walktree(heads) |
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diff
changeset
|
262 self.ui.status("sorting...\n") |
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diff
changeset
|
263 t = self.toposort(parents) |
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diff
changeset
|
264 num = len(t) |
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diff
changeset
|
265 c = None |
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changeset
|
266 |
9855939d0c82
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diff
changeset
|
267 self.ui.status("converting...\n") |
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diff
changeset
|
268 for c in t: |
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diff
changeset
|
269 num -= 1 |
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diff
changeset
|
270 desc = self.commitcache[c].desc |
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diff
changeset
|
271 if "\n" in desc: |
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diff
changeset
|
272 desc = desc.splitlines()[0] |
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diff
changeset
|
273 self.ui.status("%d %s\n" % (num, desc)) |
9855939d0c82
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diff
changeset
|
274 self.copy(c) |
316 | 275 |
4588
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diff
changeset
|
276 tags = self.source.gettags() |
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diff
changeset
|
277 ctags = {} |
9855939d0c82
convert extension: Save a few opens on the map file
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diff
changeset
|
278 for k in tags: |
9855939d0c82
convert extension: Save a few opens on the map file
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4536
diff
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279 v = tags[k] |
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280 if self.map.get(v, SKIPREV) != SKIPREV: |
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281 ctags[k] = self.map[v] |
316 | 282 |
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283 if c and ctags: |
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284 nrev = self.dest.puttags(ctags) |
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285 # write another hash correspondence to override the previous |
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286 # one so we don't end up with extra tag heads |
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287 if nrev: |
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288 self.mapentry(c, nrev) |
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289 |
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290 self.writeauthormap() |
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291 finally: |
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292 self.cleanup() |
694 | 293 |
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294 def cleanup(self): |
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295 try: |
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296 self.dest.after() |
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297 finally: |
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298 self.source.after() |
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299 if self.revmapfilefd: |
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300 self.revmapfilefd.close() |
694 | 301 |
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302 def convert(ui, src, dest=None, revmapfile=None, **opts): |
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303 """Convert a foreign SCM repository to a Mercurial one. |
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304 |
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305 Accepted source formats: |
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306 - Mercurial |
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307 - CVS |
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308 - Darcs |
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309 - git |
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310 - Subversion |
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311 |
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312 Accepted destination formats: |
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313 - Mercurial |
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314 |
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315 If no revision is given, all revisions will be converted. Otherwise, |
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316 convert will only import up to the named revision (given in a format |
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317 understood by the source). |
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318 |
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319 If no destination directory name is specified, it defaults to the |
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320 basename of the source with '-hg' appended. If the destination |
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321 repository doesn't exist, it will be created. |
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322 |
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323 If <MAPFILE> isn't given, it will be put in a default location |
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324 (<dest>/.hg/shamap by default). The <MAPFILE> is a simple text |
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325 file that maps each source commit ID to the destination ID for |
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326 that revision, like so: |
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327 <source ID> <destination ID> |
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328 |
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329 If the file doesn't exist, it's automatically created. It's updated |
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330 on each commit copied, so convert-repo can be interrupted and can |
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331 be run repeatedly to copy new commits. |
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332 |
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333 The [username mapping] file is a simple text file that maps each source |
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334 commit author to a destination commit author. It is handy for source SCMs |
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335 that use unix logins to identify authors (eg: CVS). One line per author |
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336 mapping and the line format is: |
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337 srcauthor=whatever string you want |
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338 |
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339 The filemap is a file that allows filtering and remapping of files |
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340 and directories. Comment lines start with '#'. Each line can |
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341 contain one of the following directives: |
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342 |
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343 include path/to/file |
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344 |
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345 exclude path/to/file |
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346 |
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347 rename from/file to/file |
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348 |
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349 The 'include' directive causes a file, or all files under a |
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350 directory, to be included in the destination repository, and the |
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351 exclusion of all other files and dirs not explicitely included. |
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352 The 'exclude' directive causes files or directories to be omitted. |
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353 The 'rename' directive renames a file or directory. To rename from a |
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354 subdirectory into the root of the repository, use '.' as the path to |
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355 rename to. |
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356 """ |
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357 |
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358 util._encoding = 'UTF-8' |
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359 |
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360 if not dest: |
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361 dest = hg.defaultdest(src) + "-hg" |
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362 ui.status("assuming destination %s\n" % dest) |
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363 |
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364 destc = convertsink(ui, dest, opts.get('dest_type')) |
316 | 365 |
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366 try: |
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367 srcc = convertsource(ui, src, opts.get('source_type'), |
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368 opts.get('rev')) |
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369 except Exception: |
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370 for path in destc.created: |
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371 shutil.rmtree(path, True) |
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372 raise |
316 | 373 |
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374 fmap = opts.get('filemap') |
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375 if fmap: |
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376 srcc = filemap.filemap_source(ui, srcc, fmap) |
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377 destc.setfilemapmode(True) |
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378 |
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379 if not revmapfile: |
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380 try: |
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381 revmapfile = destc.revmapfile() |
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382 except: |
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383 revmapfile = os.path.join(destc, "map") |
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384 |
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385 c = converter(ui, srcc, destc, revmapfile, opts) |
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386 c.convert() |
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387 |
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388 |
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389 cmdtable = { |
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390 "convert": |
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391 (convert, |
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392 [('A', 'authors', '', 'username mapping filename'), |
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393 ('d', 'dest-type', '', 'destination repository type'), |
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394 ('', 'filemap', '', 'remap file names using contents of file'), |
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395 ('r', 'rev', '', 'import up to target revision REV'), |
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396 ('s', 'source-type', '', 'source repository type'), |
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397 ('', 'datesort', None, 'try to sort changesets by date')], |
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398 'hg convert [OPTION]... SOURCE [DEST [MAPFILE]]'), |
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399 "debugsvnlog": |
5127
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convert: replace fork with subprocess call.
Patrick Mezard <pmezard@gmail.com>
parents:
5121
diff
changeset
|
400 (debugsvnlog, |
39b6eaee6fd7
convert: replace fork with subprocess call.
Patrick Mezard <pmezard@gmail.com>
parents:
5121
diff
changeset
|
401 [], |
5138
9cda2315c7a9
convert: Use debugsvnlog instead of git-like debug-svn-log.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
5134
diff
changeset
|
402 'hg debugsvnlog'), |
4513
ac2fe196ac9b
Turns convert.py into a real extension
Edouard Gomez <ed.gomez@free.fr>
parents:
4512
diff
changeset
|
403 } |
5127
39b6eaee6fd7
convert: replace fork with subprocess call.
Patrick Mezard <pmezard@gmail.com>
parents:
5121
diff
changeset
|
404 |