Mercurial > hg
annotate mercurial/repair.py @ 21707:e22cfd1ae97c stable
keyword: suppress keyword expansion while 'hg histedit' for internal merge
Before this patch, 'hg histedit' may cause unexpected conflict, if 'hg
histedit'-ed changes are located near lines in which keywords are
embedded, because keywords are substituted with other strings in the
working directory.
This patch suppresses keyword expansion while 'hg histedit' for
internal merge by adding 'histedit' to 'restricted' command list like
'merge'.
Test in this patch just swaps order of revision #13 and #14: this is
enough to cause internal merge.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Thu, 05 Jun 2014 16:47:14 +0900 |
parents | 4d9d490d7bbe |
children | 445472225ccd |
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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 |
10263 | 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="all", topic='backup'): |
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51 repo = repo.unfiltered() |
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52 repo.destroying() |
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53 |
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54 cl = repo.changelog |
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55 # TODO handle undo of merge sets |
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56 if isinstance(nodelist, str): |
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57 nodelist = [nodelist] |
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58 striplist = [cl.rev(node) for node in nodelist] |
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59 striprev = min(striplist) |
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60 |
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61 keeppartialbundle = backup == 'strip' |
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62 |
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63 # Some revisions with rev > striprev may not be descendants of striprev. |
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64 # We have to find these revisions and put them in a bundle, so that |
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65 # we can restore them after the truncations. |
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66 # To create the bundle we use repo.changegroupsubset which requires |
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67 # the list of heads and bases of the set of interesting revisions. |
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68 # (head = revision in the set that has no descendant in the set; |
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69 # base = revision in the set that has no ancestor in the set) |
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70 tostrip = set(striplist) |
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71 for rev in striplist: |
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72 for desc in cl.descendants([rev]): |
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73 tostrip.add(desc) |
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74 |
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75 files = _collectfiles(repo, striprev) |
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76 saverevs = _collectbrokencsets(repo, files, striprev) |
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77 |
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78 # compute heads |
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79 saveheads = set(saverevs) |
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80 for r in xrange(striprev + 1, len(cl)): |
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81 if r not in tostrip: |
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82 saverevs.add(r) |
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83 saveheads.difference_update(cl.parentrevs(r)) |
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84 saveheads.add(r) |
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85 saveheads = [cl.node(r) for r in saveheads] |
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86 |
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87 # compute base nodes |
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88 if saverevs: |
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89 descendants = set(cl.descendants(saverevs)) |
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90 saverevs.difference_update(descendants) |
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91 savebases = [cl.node(r) for r in saverevs] |
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92 stripbases = [cl.node(r) for r in tostrip] |
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93 |
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94 # For a set s, max(parents(s) - s) is the same as max(heads(::s - s)), but |
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95 # is much faster |
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96 newbmtarget = repo.revs('max(parents(%ld) - (%ld))', tostrip, tostrip) |
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97 if newbmtarget: |
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98 newbmtarget = repo[newbmtarget[0]].node() |
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99 else: |
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100 newbmtarget = '.' |
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101 |
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102 bm = repo._bookmarks |
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103 updatebm = [] |
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104 for m in bm: |
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105 rev = repo[bm[m]].rev() |
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106 if rev in tostrip: |
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107 updatebm.append(m) |
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108 |
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109 # create a changegroup for all the branches we need to keep |
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110 backupfile = None |
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111 vfs = repo.vfs |
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112 if backup == "all": |
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113 backupfile = _bundle(repo, stripbases, cl.heads(), node, topic) |
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114 repo.ui.status(_("saved backup bundle to %s\n") % |
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115 vfs.join(backupfile)) |
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116 repo.ui.log("backupbundle", "saved backup bundle to %s\n", |
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117 vfs.join(backupfile)) |
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118 if saveheads or savebases: |
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119 # do not compress partial bundle if we remove it from disk later |
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120 chgrpfile = _bundle(repo, savebases, saveheads, node, 'temp', |
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121 compress=keeppartialbundle) |
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122 |
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123 mfst = repo.manifest |
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124 |
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125 tr = repo.transaction("strip") |
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126 offset = len(tr.entries) |
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127 |
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128 try: |
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129 tr.startgroup() |
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130 cl.strip(striprev, tr) |
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131 mfst.strip(striprev, tr) |
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132 for fn in files: |
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133 repo.file(fn).strip(striprev, tr) |
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134 tr.endgroup() |
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135 |
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136 try: |
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137 for i in xrange(offset, len(tr.entries)): |
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138 file, troffset, ignore = tr.entries[i] |
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139 repo.sopener(file, 'a').truncate(troffset) |
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140 if troffset == 0: |
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141 repo.store.markremoved(file) |
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142 tr.close() |
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143 except: # re-raises |
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144 tr.abort() |
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145 raise |
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146 |
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147 if saveheads or savebases: |
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148 ui.note(_("adding branch\n")) |
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149 f = vfs.open(chgrpfile, "rb") |
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150 gen = exchange.readbundle(ui, f, chgrpfile, vfs) |
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151 if not repo.ui.verbose: |
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152 # silence internal shuffling chatter |
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153 repo.ui.pushbuffer() |
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154 changegroup.addchangegroup(repo, gen, 'strip', |
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155 'bundle:' + vfs.join(chgrpfile), True) |
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156 if not repo.ui.verbose: |
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157 repo.ui.popbuffer() |
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158 f.close() |
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159 if not keeppartialbundle: |
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160 vfs.unlink(chgrpfile) |
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161 |
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162 # remove undo files |
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163 for undovfs, undofile in repo.undofiles(): |
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164 try: |
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165 undovfs.unlink(undofile) |
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166 except OSError, e: |
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167 if e.errno != errno.ENOENT: |
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168 ui.warn(_('error removing %s: %s\n') % |
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169 (undovfs.join(undofile), str(e))) |
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170 |
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171 for m in updatebm: |
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172 bm[m] = repo[newbmtarget].node() |
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173 bm.write() |
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174 except: # re-raises |
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175 if backupfile: |
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176 ui.warn(_("strip failed, full bundle stored in '%s'\n") |
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177 % vfs.join(backupfile)) |
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178 elif saveheads: |
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179 ui.warn(_("strip failed, partial bundle stored in '%s'\n") |
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180 % vfs.join(chgrpfile)) |
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181 raise |
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182 |
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183 repo.destroyed() |