Mercurial > hg
annotate hgext/share.py @ 25025:72f7f98bc5e5
rebase: add short -k option for --keep
histedit and strip already have a short option for keep, so this makes the
interface more consistent
author | Nat Mote <nmote@fb.com> |
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date | Tue, 12 May 2015 15:04:19 -0700 |
parents | 135b23868f45 |
children | 80c5b2666a96 |
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 directory')), |
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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 shared = repo.vfs.read('shared').splitlines() |
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83 except IOError, inst: |
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84 if inst.errno != errno.ENOENT: |
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85 raise |
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86 return False |
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87 return 'bookmarks' in shared |
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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) |