Mercurial > hg
annotate hgext/share.py @ 25295:701df761aa94
branch: don't warn about branches if repository has multiple branches already
This warning exists to prevent git users from prematurely polluting
their namespace when trying out Mercurial. But for repos that already
have multiple branches, understanding what branches are is not
optional so we should just shut up.
author | Matt Mackall <mpm@selenic.com> |
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date | Fri, 22 May 2015 17:08:59 -0500 |
parents | 80c5b2666a96 |
children | 328739ea70c3 |
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 # Note for extension authors: ONLY specify testedwith = 'internal' for |
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16 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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17 # be specifying the version(s) of Mercurial they are tested with, or |
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18 # leave the attribute unspecified. |
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19 testedwith = 'internal' |
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20 |
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21 @command('share', |
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22 [('U', 'noupdate', None, _('do not create a working directory')), |
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23 ('B', 'bookmarks', None, _('also share bookmarks'))], |
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24 _('[-U] [-B] SOURCE [DEST]'), |
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25 norepo=True) |
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26 def share(ui, source, dest=None, noupdate=False, bookmarks=False): |
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27 """create a new shared repository |
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28 |
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29 Initialize a new repository and working directory that shares its |
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30 history (and optionally bookmarks) with another repository. |
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31 |
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33 |
12389 | 34 using rollback or extensions that destroy/modify history (mq, |
35 rebase, etc.) can cause considerable confusion with shared | |
36 clones. In particular, if two shared clones are both updated to | |
37 the same changeset, and one of them destroys that changeset | |
38 with rollback, the other clone will suddenly stop working: all | |
39 operations will fail with "abort: working directory has unknown | |
40 parent". The only known workaround is to use debugsetparents on | |
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41 the broken clone to reset it to a changeset that still exists. |
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42 """ |
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43 |
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44 return hg.share(ui, source, dest, not noupdate, bookmarks) |
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45 |
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46 @command('unshare', [], '') |
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47 def unshare(ui, repo): |
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48 """convert a shared repository to a normal one |
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49 |
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50 Copy the store data to the repo and remove the sharedpath data. |
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51 """ |
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52 |
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53 if not repo.shared(): |
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54 raise util.Abort(_("this is not a shared repo")) |
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55 |
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56 destlock = lock = None |
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57 lock = repo.lock() |
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58 try: |
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59 # we use locks here because if we race with commit, we |
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60 # can end up with extra data in the cloned revlogs that's |
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61 # not pointed to by changesets, thus causing verify to |
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62 # fail |
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63 |
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64 destlock = hg.copystore(ui, repo, repo.path) |
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65 |
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66 sharefile = repo.join('sharedpath') |
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67 util.rename(sharefile, sharefile + '.old') |
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68 |
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69 repo.requirements.discard('sharedpath') |
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70 repo._writerequirements() |
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71 finally: |
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72 destlock and destlock.release() |
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73 lock and lock.release() |
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74 |
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75 # update store, spath, sopener and sjoin of repo |
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76 repo.unfiltered().__init__(repo.baseui, repo.root) |
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77 |
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78 def extsetup(ui): |
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79 extensions.wrapfunction(bookmarks.bmstore, 'getbkfile', getbkfile) |
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80 extensions.wrapfunction(bookmarks.bmstore, 'recordchange', recordchange) |
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81 extensions.wrapfunction(bookmarks.bmstore, 'write', write) |
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82 |
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83 def _hassharedbookmarks(repo): |
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84 """Returns whether this repo has shared bookmarks""" |
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85 try: |
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86 shared = repo.vfs.read('shared').splitlines() |
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87 except IOError, inst: |
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88 if inst.errno != errno.ENOENT: |
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89 raise |
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90 return False |
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91 return 'bookmarks' in shared |
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92 |
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93 def _getsrcrepo(repo): |
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94 """ |
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95 Returns the source repository object for a given shared repository. |
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96 If repo is not a shared repository, return None. |
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97 """ |
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98 if repo.sharedpath == repo.path: |
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99 return None |
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100 |
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101 # the sharedpath always ends in the .hg; we want the path to the repo |
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102 source = repo.vfs.split(repo.sharedpath)[0] |
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103 srcurl, branches = parseurl(source) |
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104 return repository(repo.ui, srcurl) |
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105 |
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106 def getbkfile(orig, self, repo): |
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107 if _hassharedbookmarks(repo): |
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108 srcrepo = _getsrcrepo(repo) |
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109 if srcrepo is not None: |
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110 repo = srcrepo |
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111 return orig(self, repo) |
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112 |
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113 def recordchange(orig, self, tr): |
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114 # Continue with write to local bookmarks file as usual |
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115 orig(self, tr) |
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116 |
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117 if _hassharedbookmarks(self._repo): |
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118 srcrepo = _getsrcrepo(self._repo) |
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119 if srcrepo is not None: |
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120 category = 'share-bookmarks' |
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121 tr.addpostclose(category, lambda tr: self._writerepo(srcrepo)) |
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122 |
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123 def write(orig, self): |
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124 # First write local bookmarks file in case we ever unshare |
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125 orig(self) |
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126 if _hassharedbookmarks(self._repo): |
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127 srcrepo = _getsrcrepo(self._repo) |
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128 if srcrepo is not None: |
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129 self._writerepo(srcrepo) |