Mercurial > hg
annotate hgext/convert/convcmd.py @ 6131:fddeeb00f8d1
convert: improve cycles detection message
author | Patrick Mezard <pmezard@gmail.com> |
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date | Sat, 16 Feb 2008 11:55:33 +0100 |
parents | 516d8ffede7c |
children | 5b159ebb19cf |
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, mapfile |
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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 debugsvnlog, svn_source, svn_sink |
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14 from gnuarch import gnuarch_source |
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15 import filemap |
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16 |
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17 import os, shutil |
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18 from mercurial import hg, util |
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19 from mercurial.i18n import _ |
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20 |
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21 orig_encoding = 'ascii' |
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22 |
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23 def recode(s): |
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24 if isinstance(s, unicode): |
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25 return s.encode(orig_encoding, 'replace') |
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26 else: |
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27 return s.decode('utf-8').encode(orig_encoding, 'replace') |
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28 |
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29 source_converters = [ |
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30 ('cvs', convert_cvs), |
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31 ('git', convert_git), |
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32 ('svn', svn_source), |
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33 ('hg', mercurial_source), |
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34 ('darcs', darcs_source), |
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35 ('gnuarch', gnuarch_source), |
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36 ] |
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37 |
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38 sink_converters = [ |
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39 ('hg', mercurial_sink), |
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40 ('svn', svn_sink), |
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41 ] |
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42 |
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43 def convertsource(ui, path, type, rev): |
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44 exceptions = [] |
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45 for name, source in source_converters: |
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46 try: |
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47 if not type or name == type: |
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48 return source(ui, path, rev) |
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49 except NoRepo, inst: |
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50 exceptions.append(inst) |
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51 if not ui.quiet: |
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52 for inst in exceptions: |
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53 ui.write(_("%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 def convertsink(ui, path, type): |
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57 for name, sink in sink_converters: |
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58 try: |
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59 if not type or name == type: |
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60 return sink(ui, path) |
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61 except NoRepo, inst: |
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62 ui.note(_("convert: %s\n") % inst) |
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63 raise util.Abort('%s: unknown repository type' % path) |
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64 |
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65 class converter(object): |
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66 def __init__(self, ui, source, dest, revmapfile, opts): |
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67 |
316 | 68 self.source = source |
69 self.dest = dest | |
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70 self.ui = ui |
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71 self.opts = opts |
316 | 72 self.commitcache = {} |
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73 self.authors = {} |
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74 self.authorfile = None |
316 | 75 |
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76 self.map = mapfile(ui, revmapfile) |
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 |
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87 self.splicemap = mapfile(ui, ui.config('convert', 'splicemap')) |
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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 actives = [] |
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114 |
316 | 115 while visit: |
116 n = visit.pop(0) | |
117 if n in seen: continue | |
118 seen[n] = 1 | |
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119 # Ensure that nodes without parents are present in the 'children' |
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120 # mapping. |
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121 children.setdefault(n, []) |
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122 hasparent = False |
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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 hasparent = True |
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127 children.setdefault(p, []).append(n) |
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128 if not hasparent: |
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129 actives.append(n) |
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130 |
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131 del seen |
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132 del visit |
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133 |
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134 if self.opts.get('datesort'): |
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135 dates = {} |
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136 def getdate(n): |
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137 if n not in dates: |
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138 dates[n] = util.parsedate(self.commitcache[n].date) |
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139 return dates[n] |
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140 |
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141 def picknext(nodes): |
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142 return min([(getdate(n), n) for n in nodes])[1] |
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143 else: |
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144 prev = [None] |
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145 def picknext(nodes): |
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|
146 # Return the first eligible child of the previously converted |
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147 # revision, or any of them. |
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148 next = nodes[0] |
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149 for n in nodes: |
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|
150 if prev[0] in parents[n]: |
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|
151 next = n |
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|
152 break |
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153 prev[0] = next |
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154 return next |
316 | 155 |
156 s = [] | |
6100
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157 pendings = {} |
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158 while actives: |
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|
159 n = picknext(actives) |
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|
160 actives.remove(n) |
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161 s.append(n) |
316 | 162 |
6100
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163 # Update dependents list |
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164 for c in children.get(n, []): |
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165 if c not in pendings: |
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166 pendings[c] = [p for p in parents[c] if p not in self.map] |
6131
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167 try: |
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|
168 pendings[c].remove(n) |
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diff
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|
169 except ValueError: |
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changeset
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170 raise util.Abort(_('cycle detected between %s and %s') |
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diff
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|
171 % (recode(c), recode(n))) |
6100
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172 if not pendings[c]: |
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173 # Parents are converted, node is eligible |
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174 actives.insert(0, c) |
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|
175 pendings[c] = None |
316 | 176 |
6100
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|
177 if len(s) != len(parents): |
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|
178 raise util.Abort(_("not all revisions were sorted")) |
3957
2b87d3c5ab8e
convert-repo: add option to attempt to sort by date
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diff
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179 |
316 | 180 return s |
181 | |
4589
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diff
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|
182 def writeauthormap(self): |
4590
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183 authorfile = self.authorfile |
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changeset
|
184 if authorfile: |
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diff
changeset
|
185 self.ui.status('Writing author map file %s\n' % authorfile) |
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diff
changeset
|
186 ofile = open(authorfile, 'w+') |
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diff
changeset
|
187 for author in self.authors: |
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diff
changeset
|
188 ofile.write("%s=%s\n" % (author, self.authors[author])) |
451e91ed535e
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diff
changeset
|
189 ofile.close() |
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diff
changeset
|
190 |
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diff
changeset
|
191 def readauthormap(self, authorfile): |
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diff
changeset
|
192 afile = open(authorfile, 'r') |
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diff
changeset
|
193 for line in afile: |
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parents:
4589
diff
changeset
|
194 try: |
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diff
changeset
|
195 srcauthor = line.split('=')[0].strip() |
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diff
changeset
|
196 dstauthor = line.split('=')[1].strip() |
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diff
changeset
|
197 if srcauthor in self.authors and dstauthor != self.authors[srcauthor]: |
80fb4ec512b5
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4589
diff
changeset
|
198 self.ui.status( |
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4589
diff
changeset
|
199 'Overriding mapping for author %s, was %s, will be %s\n' |
80fb4ec512b5
convert: fix various authormap handling bugs
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4589
diff
changeset
|
200 % (srcauthor, self.authors[srcauthor], dstauthor)) |
80fb4ec512b5
convert: fix various authormap handling bugs
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parents:
4589
diff
changeset
|
201 else: |
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4589
diff
changeset
|
202 self.ui.debug('Mapping author %s to %s\n' |
80fb4ec512b5
convert: fix various authormap handling bugs
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4589
diff
changeset
|
203 % (srcauthor, dstauthor)) |
4589
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convert extension: Add support for username mapping
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4588
diff
changeset
|
204 self.authors[srcauthor] = dstauthor |
4590
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convert: fix various authormap handling bugs
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4589
diff
changeset
|
205 except IndexError: |
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4589
diff
changeset
|
206 self.ui.warn( |
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parents:
4589
diff
changeset
|
207 'Ignoring bad line in author file map %s: %s\n' |
80fb4ec512b5
convert: fix various authormap handling bugs
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parents:
4589
diff
changeset
|
208 % (authorfile, line)) |
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parents:
4589
diff
changeset
|
209 afile.close() |
4589
451e91ed535e
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parents:
4588
diff
changeset
|
210 |
5203
653790c2fa52
convert: wrap cached commits author remapping
Patrick Mezard <pmezard@gmail.com>
parents:
5195
diff
changeset
|
211 def cachecommit(self, rev): |
653790c2fa52
convert: wrap cached commits author remapping
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parents:
5195
diff
changeset
|
212 commit = self.source.getcommit(rev) |
653790c2fa52
convert: wrap cached commits author remapping
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parents:
5195
diff
changeset
|
213 commit.author = self.authors.get(commit.author, commit.author) |
653790c2fa52
convert: wrap cached commits author remapping
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5195
diff
changeset
|
214 self.commitcache[rev] = commit |
653790c2fa52
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5195
diff
changeset
|
215 return commit |
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parents:
5195
diff
changeset
|
216 |
316 | 217 def copy(self, rev): |
5016
4ebc8693ce72
convert: add filename filtering and renaming support
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parents:
5014
diff
changeset
|
218 commit = self.commitcache[rev] |
4ebc8693ce72
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parents:
5014
diff
changeset
|
219 do_copies = hasattr(self.dest, 'copyfile') |
4ebc8693ce72
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parents:
5014
diff
changeset
|
220 filenames = [] |
4957
cdd33a048289
removed trailing whitespace
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4924
diff
changeset
|
221 |
5374
e710874247d1
convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
222 changes = self.source.getchanges(rev) |
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5373
diff
changeset
|
223 if isinstance(changes, basestring): |
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convert: allow the converter_source to say "skip this revision"
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parents:
5373
diff
changeset
|
224 if changes == SKIPREV: |
e710874247d1
convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
225 dest = SKIPREV |
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5373
diff
changeset
|
226 else: |
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convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
227 dest = self.map[changes] |
5510
11d7908a3ea8
convert: abstract map files into a class
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parents:
5488
diff
changeset
|
228 self.map[rev] = dest |
5374
e710874247d1
convert: allow the converter_source to say "skip this revision"
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5373
diff
changeset
|
229 return |
e710874247d1
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5373
diff
changeset
|
230 files, copies = changes |
5934
e495f3f35b2d
convert: hg.clonebranches must pull missing parents (issue941)
Patrick Mezard <pmezard@gmail.com>
parents:
5621
diff
changeset
|
231 pbranches = [] |
5173
6b4c332f241b
convert: hg: optionally create branches as clones
Brendan Cully <brendan@kublai.com>
parents:
5143
diff
changeset
|
232 if commit.parents: |
5934
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convert: hg.clonebranches must pull missing parents (issue941)
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5621
diff
changeset
|
233 for prev in commit.parents: |
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convert: hg.clonebranches must pull missing parents (issue941)
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parents:
5621
diff
changeset
|
234 if prev not in self.commitcache: |
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convert: hg.clonebranches must pull missing parents (issue941)
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parents:
5621
diff
changeset
|
235 self.cachecommit(prev) |
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convert: hg.clonebranches must pull missing parents (issue941)
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5621
diff
changeset
|
236 pbranches.append((self.map[prev], |
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convert: hg.clonebranches must pull missing parents (issue941)
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5621
diff
changeset
|
237 self.commitcache[prev].branch)) |
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convert: hg.clonebranches must pull missing parents (issue941)
Patrick Mezard <pmezard@gmail.com>
parents:
5621
diff
changeset
|
238 self.dest.setbranch(commit.branch, pbranches) |
5121
ef338e34a906
convert: look up copies in getchanges instead of getcommit
Brendan Cully <brendan@kublai.com>
parents:
5018
diff
changeset
|
239 for f, v in files: |
5375
dae323e453aa
convert: disable current --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5374
diff
changeset
|
240 filenames.append(f) |
316 | 241 try: |
242 data = self.source.getfile(f, v) | |
243 except IOError, inst: | |
5375
dae323e453aa
convert: disable current --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5374
diff
changeset
|
244 self.dest.delfile(f) |
316 | 245 else: |
3956
558f52943cd2
convert-repo: add CVS exec bit support
Matt Mackall <mpm@selenic.com>
parents:
3954
diff
changeset
|
246 e = self.source.getmode(f, v) |
5375
dae323e453aa
convert: disable current --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5374
diff
changeset
|
247 self.dest.putfile(f, e, data) |
4765
b6a1f2c46c6c
convert extension: Add SVN converter
Daniel Holth <dholth@fastmail.fm>
parents:
4763
diff
changeset
|
248 if do_copies: |
5121
ef338e34a906
convert: look up copies in getchanges instead of getcommit
Brendan Cully <brendan@kublai.com>
parents:
5018
diff
changeset
|
249 if f in copies: |
5375
dae323e453aa
convert: disable current --filemap support
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parents:
5374
diff
changeset
|
250 copyf = copies[f] |
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convert: disable current --filemap support
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5374
diff
changeset
|
251 # Merely marks that a copy happened. |
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diff
changeset
|
252 self.dest.copyfile(copyf, f) |
4765
b6a1f2c46c6c
convert extension: Add SVN converter
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parents:
4763
diff
changeset
|
253 |
5996
3f9ce63da18c
convert: allow synthetic history to be spliced in.
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parents:
5959
diff
changeset
|
254 try: |
3f9ce63da18c
convert: allow synthetic history to be spliced in.
Bryan O'Sullivan <bos@serpentine.com>
parents:
5959
diff
changeset
|
255 parents = [self.splicemap[rev]] |
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convert: allow synthetic history to be spliced in.
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parents:
5959
diff
changeset
|
256 self.ui.debug('spliced in %s as parents of %s\n' % |
3f9ce63da18c
convert: allow synthetic history to be spliced in.
Bryan O'Sullivan <bos@serpentine.com>
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5959
diff
changeset
|
257 (parents, rev)) |
3f9ce63da18c
convert: allow synthetic history to be spliced in.
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5959
diff
changeset
|
258 except KeyError: |
3f9ce63da18c
convert: allow synthetic history to be spliced in.
Bryan O'Sullivan <bos@serpentine.com>
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5959
diff
changeset
|
259 parents = [b[0] for b in pbranches] |
5375
dae323e453aa
convert: disable current --filemap support
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5374
diff
changeset
|
260 newnode = self.dest.putcommit(filenames, parents, commit) |
5554
2147a734dcf9
convert: tell the source repository when a rev has been converted
Bryan O'Sullivan <bos@serpentine.com>
parents:
5528
diff
changeset
|
261 self.source.converted(rev, newnode) |
5510
11d7908a3ea8
convert: abstract map files into a class
Bryan O'Sullivan <bos@serpentine.com>
parents:
5488
diff
changeset
|
262 self.map[rev] = newnode |
316 | 263 |
264 def convert(self): | |
5954
851402e53337
convert: display source revision id with --verbose
Patrick Mezard <pmezard@gmail.com>
parents:
5794
diff
changeset
|
265 |
4588
9855939d0c82
convert extension: Save a few opens on the map file
Edouard Gomez <ed.gomez@free.fr>
parents:
4536
diff
changeset
|
266 try: |
5356
f0931c0240b4
convert: add before/after hooks for converter sources
Bryan O'Sullivan <bos@serpentine.com>
parents:
5281
diff
changeset
|
267 self.source.before() |
5014
914054ca532e
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268 self.dest.before() |
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269 self.source.setrevmap(self.map) |
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270 self.ui.status("scanning source...\n") |
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271 heads = self.source.getheads() |
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272 parents = self.walktree(heads) |
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273 self.ui.status("sorting...\n") |
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274 t = self.toposort(parents) |
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275 num = len(t) |
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276 c = None |
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277 |
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278 self.ui.status("converting...\n") |
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279 for c in t: |
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280 num -= 1 |
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281 desc = self.commitcache[c].desc |
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282 if "\n" in desc: |
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283 desc = desc.splitlines()[0] |
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284 # convert log message to local encoding without using |
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285 # tolocal() because util._encoding conver() use it as |
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286 # 'utf-8' |
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287 self.ui.status("%d %s\n" % (num, recode(desc))) |
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288 self.ui.note(_("source: %s\n" % recode(c))) |
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289 self.copy(c) |
316 | 290 |
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291 tags = self.source.gettags() |
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292 ctags = {} |
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293 for k in tags: |
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294 v = tags[k] |
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295 if self.map.get(v, SKIPREV) != SKIPREV: |
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296 ctags[k] = self.map[v] |
316 | 297 |
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298 if c and ctags: |
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299 nrev = self.dest.puttags(ctags) |
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300 # write another hash correspondence to override the previous |
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301 # one so we don't end up with extra tag heads |
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302 if nrev: |
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303 self.map[c] = nrev |
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304 |
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305 self.writeauthormap() |
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306 finally: |
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307 self.cleanup() |
694 | 308 |
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309 def cleanup(self): |
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310 try: |
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311 self.dest.after() |
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312 finally: |
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313 self.source.after() |
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314 self.map.close() |
694 | 315 |
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316 def convert(ui, src, dest=None, revmapfile=None, **opts): |
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317 global orig_encoding |
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318 orig_encoding = util._encoding |
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319 util._encoding = 'UTF-8' |
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320 |
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321 if not dest: |
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322 dest = hg.defaultdest(src) + "-hg" |
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323 ui.status("assuming destination %s\n" % dest) |
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324 |
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325 destc = convertsink(ui, dest, opts.get('dest_type')) |
316 | 326 |
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327 try: |
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328 srcc = convertsource(ui, src, opts.get('source_type'), |
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329 opts.get('rev')) |
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330 except Exception: |
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331 for path in destc.created: |
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332 shutil.rmtree(path, True) |
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333 raise |
316 | 334 |
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335 fmap = opts.get('filemap') |
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336 if fmap: |
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337 srcc = filemap.filemap_source(ui, srcc, fmap) |
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338 destc.setfilemapmode(True) |
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339 |
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340 if not revmapfile: |
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341 try: |
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342 revmapfile = destc.revmapfile() |
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343 except: |
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344 revmapfile = os.path.join(destc, "map") |
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345 |
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346 c = converter(ui, srcc, destc, revmapfile, opts) |
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347 c.convert() |
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348 |