Mercurial > hg
annotate hgext/share.py @ 23752:70d8be6299ab
trydiff: make addindexmeta() unconditionally add index meta
The conditional-ness is not clear from the name and there is only one
caller, so it's clearer to check on the call site. Moving it also
makes addindexmeta() no longer close on the 'opts' variable.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Wed, 07 Jan 2015 08:54:26 -0800 |
parents | 965788d9ae09 |
children | 7e71898a7cdc |
rev | line source |
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1 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com> |
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2 # |
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3 # This software may be used and distributed according to the terms of the |
10263 | 4 # GNU General Public License version 2 or any later version. |
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5 |
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6 '''share a common history between several working directories''' |
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7 |
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8 from mercurial.i18n import _ |
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9 from mercurial import cmdutil, hg, util, extensions, bookmarks |
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10 from mercurial.hg import repository, parseurl |
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11 import errno |
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12 |
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13 cmdtable = {} |
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14 command = cmdutil.command(cmdtable) |
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15 testedwith = 'internal' |
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16 |
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17 @command('share', |
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18 [('U', 'noupdate', None, _('do not create a working copy')), |
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19 ('B', 'bookmarks', None, _('also share bookmarks'))], |
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20 _('[-U] [-B] SOURCE [DEST]'), |
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21 norepo=True) |
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22 def share(ui, source, dest=None, noupdate=False, bookmarks=False): |
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23 """create a new shared repository |
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24 |
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25 Initialize a new repository and working directory that shares its |
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26 history (and optionally bookmarks) with another repository. |
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27 |
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29 |
12389 | 30 using rollback or extensions that destroy/modify history (mq, |
31 rebase, etc.) can cause considerable confusion with shared | |
32 clones. In particular, if two shared clones are both updated to | |
33 the same changeset, and one of them destroys that changeset | |
34 with rollback, the other clone will suddenly stop working: all | |
35 operations will fail with "abort: working directory has unknown | |
36 parent". The only known workaround is to use debugsetparents on | |
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37 the broken clone to reset it to a changeset that still exists. |
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38 """ |
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39 |
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40 return hg.share(ui, source, dest, not noupdate, bookmarks) |
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41 |
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42 @command('unshare', [], '') |
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43 def unshare(ui, repo): |
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44 """convert a shared repository to a normal one |
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45 |
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46 Copy the store data to the repo and remove the sharedpath data. |
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47 """ |
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48 |
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49 if not repo.shared(): |
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50 raise util.Abort(_("this is not a shared repo")) |
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51 |
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52 destlock = lock = None |
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53 lock = repo.lock() |
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54 try: |
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55 # we use locks here because if we race with commit, we |
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56 # can end up with extra data in the cloned revlogs that's |
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57 # not pointed to by changesets, thus causing verify to |
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58 # fail |
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59 |
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60 destlock = hg.copystore(ui, repo, repo.path) |
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61 |
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62 sharefile = repo.join('sharedpath') |
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63 util.rename(sharefile, sharefile + '.old') |
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64 |
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65 repo.requirements.discard('sharedpath') |
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66 repo._writerequirements() |
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67 finally: |
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68 destlock and destlock.release() |
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69 lock and lock.release() |
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70 |
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71 # update store, spath, sopener and sjoin of repo |
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72 repo.unfiltered().__init__(repo.baseui, repo.root) |
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73 |
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74 def extsetup(ui): |
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75 extensions.wrapfunction(bookmarks.bmstore, 'getbkfile', getbkfile) |
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76 extensions.wrapfunction(bookmarks.bmstore, 'recordchange', recordchange) |
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77 extensions.wrapfunction(bookmarks.bmstore, 'write', write) |
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78 |
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79 def _hassharedbookmarks(repo): |
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80 """Returns whether this repo has shared bookmarks""" |
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81 try: |
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82 repo.vfs.read('bookmarks.shared') |
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83 return True |
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84 except IOError, inst: |
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85 if inst.errno != errno.ENOENT: |
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86 raise |
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87 return False |
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88 |
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89 def _getsrcrepo(repo): |
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90 """ |
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91 Returns the source repository object for a given shared repository. |
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92 If repo is not a shared repository, return None. |
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93 """ |
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94 if repo.sharedpath == repo.path: |
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95 return None |
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96 |
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97 # the sharedpath always ends in the .hg; we want the path to the repo |
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98 source = repo.vfs.split(repo.sharedpath)[0] |
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99 srcurl, branches = parseurl(source) |
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100 return repository(repo.ui, srcurl) |
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101 |
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102 def getbkfile(orig, self, repo): |
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103 if _hassharedbookmarks(repo): |
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104 srcrepo = _getsrcrepo(repo) |
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105 if srcrepo is not None: |
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106 repo = srcrepo |
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107 return orig(self, repo) |
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108 |
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109 def recordchange(orig, self, tr): |
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110 # Continue with write to local bookmarks file as usual |
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111 orig(self, tr) |
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112 |
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113 if _hassharedbookmarks(self._repo): |
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114 srcrepo = _getsrcrepo(self._repo) |
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115 if srcrepo is not None: |
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116 category = 'share-bookmarks' |
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117 tr.addpostclose(category, lambda tr: self._writerepo(srcrepo)) |
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118 |
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119 def write(orig, self): |
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120 # First write local bookmarks file in case we ever unshare |
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121 orig(self) |
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122 if _hassharedbookmarks(self._repo): |
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123 srcrepo = _getsrcrepo(self._repo) |
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124 if srcrepo is not None: |
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125 self._writerepo(srcrepo) |