annotate mercurial/repair.py @ 22777:bbb2f8b0459e

match: remove unnecessary setting of self._always The 'always' class calls its parent constructor with an empty list of patterns, which will result in a matcher that always matches. The parent constructor will set self._always to True in such cases, so there is no need to set it again.
author Martin von Zweigbergk <martinvonz@gmail.com>
date Tue, 30 Sep 2014 15:58:08 -0700
parents 445472225ccd
children d7b114493315
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # repair.py - functions for repository repair for mercurial
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2 #
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3 # Copyright 2005, 2006 Chris Mason <mason@suse.com>
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4 # Copyright 2007 Matt Mackall
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 from mercurial import changegroup, exchange
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10 from mercurial.node import short
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11 from mercurial.i18n import _
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12 import errno
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13
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14 def _bundle(repo, bases, heads, node, suffix, compress=True):
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15 """create a bundle with the specified revisions as a backup"""
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16 cg = changegroup.changegroupsubset(repo, bases, heads, 'strip')
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17 backupdir = "strip-backup"
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18 vfs = repo.vfs
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19 if not vfs.isdir(backupdir):
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20 vfs.mkdir(backupdir)
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21 name = "%s/%s-%s.hg" % (backupdir, short(node), suffix)
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22 if compress:
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23 bundletype = "HG10BZ"
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24 else:
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25 bundletype = "HG10UN"
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26 return changegroup.writebundle(cg, name, bundletype, vfs)
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27
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28 def _collectfiles(repo, striprev):
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29 """find out the filelogs affected by the strip"""
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30 files = set()
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31
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32 for x in xrange(striprev, len(repo)):
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33 files.update(repo[x].files())
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34
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35 return sorted(files)
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36
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37 def _collectbrokencsets(repo, files, striprev):
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38 """return the changesets which will be broken by the truncation"""
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39 s = set()
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40 def collectone(revlog):
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41 _, brokenset = revlog.getstrippoint(striprev)
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42 s.update([revlog.linkrev(r) for r in brokenset])
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43
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44 collectone(repo.manifest)
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45 for fname in files:
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46 collectone(repo.file(fname))
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47
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48 return s
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49
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50 def strip(ui, repo, nodelist, backup=True, topic='backup'):
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51
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52 # Simple way to maintain backwards compatibility for this
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53 # argument.
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54 if backup in ['none', 'strip']:
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55 backup = False
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56
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57 repo = repo.unfiltered()
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58 repo.destroying()
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59
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60 cl = repo.changelog
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61 # TODO handle undo of merge sets
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62 if isinstance(nodelist, str):
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63 nodelist = [nodelist]
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64 striplist = [cl.rev(node) for node in nodelist]
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65 striprev = min(striplist)
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66
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67 # Some revisions with rev > striprev may not be descendants of striprev.
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68 # We have to find these revisions and put them in a bundle, so that
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69 # we can restore them after the truncations.
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70 # To create the bundle we use repo.changegroupsubset which requires
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71 # the list of heads and bases of the set of interesting revisions.
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72 # (head = revision in the set that has no descendant in the set;
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73 # base = revision in the set that has no ancestor in the set)
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74 tostrip = set(striplist)
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75 for rev in striplist:
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76 for desc in cl.descendants([rev]):
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77 tostrip.add(desc)
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78
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79 files = _collectfiles(repo, striprev)
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80 saverevs = _collectbrokencsets(repo, files, striprev)
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81
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82 # compute heads
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83 saveheads = set(saverevs)
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84 for r in xrange(striprev + 1, len(cl)):
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85 if r not in tostrip:
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86 saverevs.add(r)
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87 saveheads.difference_update(cl.parentrevs(r))
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88 saveheads.add(r)
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89 saveheads = [cl.node(r) for r in saveheads]
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90
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91 # compute base nodes
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92 if saverevs:
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93 descendants = set(cl.descendants(saverevs))
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94 saverevs.difference_update(descendants)
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95 savebases = [cl.node(r) for r in saverevs]
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96 stripbases = [cl.node(r) for r in tostrip]
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97
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98 # For a set s, max(parents(s) - s) is the same as max(heads(::s - s)), but
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99 # is much faster
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100 newbmtarget = repo.revs('max(parents(%ld) - (%ld))', tostrip, tostrip)
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101 if newbmtarget:
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102 newbmtarget = repo[newbmtarget[0]].node()
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103 else:
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104 newbmtarget = '.'
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105
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106 bm = repo._bookmarks
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107 updatebm = []
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108 for m in bm:
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109 rev = repo[bm[m]].rev()
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110 if rev in tostrip:
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111 updatebm.append(m)
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112
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113 # create a changegroup for all the branches we need to keep
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114 backupfile = None
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115 vfs = repo.vfs
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116 if backup:
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117 backupfile = _bundle(repo, stripbases, cl.heads(), node, topic)
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118 repo.ui.status(_("saved backup bundle to %s\n") %
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119 vfs.join(backupfile))
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120 repo.ui.log("backupbundle", "saved backup bundle to %s\n",
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121 vfs.join(backupfile))
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122 if saveheads or savebases:
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123 # do not compress partial bundle if we remove it from disk later
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124 chgrpfile = _bundle(repo, savebases, saveheads, node, 'temp',
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125 compress=False)
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Matt Mackall <mpm@selenic.com>
parents:
diff changeset
126
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Henrik Stuart <henrik.stuart@edlund.dk>
parents: 7361
diff changeset
127 mfst = repo.manifest
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parents: 7361
diff changeset
128
10881
a685011ed38e localrepo: add desc parameter to transaction
Steve Borho <steve@borho.org>
parents: 10263
diff changeset
129 tr = repo.transaction("strip")
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Henrik Stuart <henrik.stuart@edlund.dk>
parents: 7361
diff changeset
130 offset = len(tr.entries)
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Henrik Stuart <henrik.stuart@edlund.dk>
parents: 7361
diff changeset
131
11197
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
132 try:
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
133 tr.startgroup()
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
134 cl.strip(striprev, tr)
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
135 mfst.strip(striprev, tr)
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
136 for fn in files:
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
137 repo.file(fn).strip(striprev, tr)
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
138 tr.endgroup()
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Henrik Stuart <henrik.stuart@edlund.dk>
parents: 7361
diff changeset
139
11197
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
140 try:
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
141 for i in xrange(offset, len(tr.entries)):
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
142 file, troffset, ignore = tr.entries[i]
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
143 repo.sopener(file, 'a').truncate(troffset)
20885
f49d60fa40a5 fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents: 20074
diff changeset
144 if troffset == 0:
f49d60fa40a5 fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents: 20074
diff changeset
145 repo.store.markremoved(file)
11197
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
146 tr.close()
16705
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Brodie Rao <brodie@sf.io>
parents: 16628
diff changeset
147 except: # re-raises
11197
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
148 tr.abort()
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
149 raise
4bb4895e1693 strip: be quiet about temporary internal bundle
Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
150
15386
6051d8e7e133 strip: backout 73307643a09f (issue3077)
Matt Mackall <mpm@selenic.com>
parents: 15068
diff changeset
151 if saveheads or savebases:
11202
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Matt Mackall <mpm@selenic.com>
parents: 11200
diff changeset
152 ui.note(_("adding branch\n"))
20979
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20977
diff changeset
153 f = vfs.open(chgrpfile, "rb")
21064
4d9d490d7bbe bundle2: add a ui argument to readbundle
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 21063
diff changeset
154 gen = exchange.readbundle(ui, f, chgrpfile, vfs)
11202
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Matt Mackall <mpm@selenic.com>
parents: 11200
diff changeset
155 if not repo.ui.verbose:
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Matt Mackall <mpm@selenic.com>
parents: 11200
diff changeset
156 # silence internal shuffling chatter
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Matt Mackall <mpm@selenic.com>
parents: 11200
diff changeset
157 repo.ui.pushbuffer()
20933
d3775db748a0 localrepo: move the addchangegroup method in changegroup module
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20927
diff changeset
158 changegroup.addchangegroup(repo, gen, 'strip',
20979
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20977
diff changeset
159 'bundle:' + vfs.join(chgrpfile), True)
11202
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Matt Mackall <mpm@selenic.com>
parents: 11200
diff changeset
160 if not repo.ui.verbose:
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Matt Mackall <mpm@selenic.com>
parents: 11200
diff changeset
161 repo.ui.popbuffer()
11197
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
162 f.close()
13362
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Matt Mackall <mpm@selenic.com>
parents: 12057
diff changeset
163
16237
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Idan Kamara <idankk86@gmail.com>
parents: 15901
diff changeset
164 # remove undo files
20975
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20933
diff changeset
165 for undovfs, undofile in repo.undofiles():
16237
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Idan Kamara <idankk86@gmail.com>
parents: 15901
diff changeset
166 try:
20975
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20933
diff changeset
167 undovfs.unlink(undofile)
16237
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Idan Kamara <idankk86@gmail.com>
parents: 15901
diff changeset
168 except OSError, e:
b5c0c7d0f83f repair: remove undo files after strip
Idan Kamara <idankk86@gmail.com>
parents: 15901
diff changeset
169 if e.errno != errno.ENOENT:
20975
37cdf1fca1b2 localrepo: make "undofiles()" return list of tuples "(vfs, relative filename)"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20933
diff changeset
170 ui.warn(_('error removing %s: %s\n') %
37cdf1fca1b2 localrepo: make "undofiles()" return list of tuples "(vfs, relative filename)"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20933
diff changeset
171 (undovfs.join(undofile), str(e)))
16237
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Idan Kamara <idankk86@gmail.com>
parents: 15901
diff changeset
172
13362
ee01d9d84115 bookmarks: move strip support to repair
Matt Mackall <mpm@selenic.com>
parents: 12057
diff changeset
173 for m in updatebm:
17264
ec7b9bec19c9 strip: move bookmarks to nearest ancestor rather than '.'
Augie Fackler <raf@durin42.com>
parents: 17013
diff changeset
174 bm[m] = repo[newbmtarget].node()
17922
7f5dab94e48c bookmarks: introduce a bmstore to manage bookmark persistence
Augie Fackler <raf@durin42.com>
parents: 17796
diff changeset
175 bm.write()
16705
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Brodie Rao <brodie@sf.io>
parents: 16628
diff changeset
176 except: # re-raises
11197
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
177 if backupfile:
11600
76454cbc11e4 mark ui.warn strings for translation
Martin Geisler <mg@lazybytes.net>
parents: 11333
diff changeset
178 ui.warn(_("strip failed, full bundle stored in '%s'\n")
20979
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20977
diff changeset
179 % vfs.join(backupfile))
11197
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Matt Mackall <mpm@selenic.com>
parents: 10881
diff changeset
180 elif saveheads:
11600
76454cbc11e4 mark ui.warn strings for translation
Martin Geisler <mg@lazybytes.net>
parents: 11333
diff changeset
181 ui.warn(_("strip failed, partial bundle stored in '%s'\n")
20979
ad5b61370514 repair: make "strip()" treat bundle files via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 20977
diff changeset
182 % vfs.join(chgrpfile))
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 7361
diff changeset
183 raise
22057
445472225ccd strip: remove -b/--backup codepaths
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 21064
diff changeset
184 else:
445472225ccd strip: remove -b/--backup codepaths
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 21064
diff changeset
185 if saveheads or savebases:
445472225ccd strip: remove -b/--backup codepaths
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 21064
diff changeset
186 # Remove partial backup only if there were no exceptions
445472225ccd strip: remove -b/--backup codepaths
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 21064
diff changeset
187 vfs.unlink(chgrpfile)
4702
18e91c9def0c strip: move strip code to a new repair module
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
188
18395
904b7109938e destroyed: drop complex branchcache rebuilt logic
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18311
diff changeset
189 repo.destroyed()