Mercurial > hg
annotate hgext/share.py @ 16719:e7bf09acd410
localrepo: add branchtip() method for faster single-branch lookups
For the PyPy repo with 744 branches and 843 branch heads, this brings
hg log -r default over NFS from:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
3249 0 1.3222 1.3222 <open>
3244 0 0.6211 0.6211 <method 'close' of 'file' objects>
3243 0 0.0800 0.0800 <method 'read' of 'file' objects>
3241 0 0.0660 0.0660 <method 'seek' of 'file' objects>
3905 0 0.0476 0.0476 <zlib.decompress>
3281 0 2.6756 0.0472 mercurial.changelog:182(read)
+3281 0 2.5256 0.0453 +mercurial.revlog:881(revision)
+3276 0 0.0389 0.0196 +mercurial.changelog:28(decodeextra)
+6562 0 0.0123 0.0123 +<method 'split' of 'str' objects>
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+3281 0 0.0054 0.0054 +<method 'index' of 'str' objects>
3241 0 2.2464 0.0456 mercurial.revlog:818(_loadchunk)
+3241 0 0.6205 0.6205 +<method 'close' of 'file' objects>
+3241 0 0.0765 0.0765 +<method 'read' of 'file' objects>
+3241 0 0.0660 0.0660 +<method 'seek' of 'file' objects>
+3241 0 1.4209 0.0135 +mercurial.store:374(__call__)
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3281 0 2.5256 0.0453 mercurial.revlog:881(revision)
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+3281 0 0.0603 0.0083 +mercurial.revlog:945(_checkhash)
+3281 0 0.0051 0.0051 +mercurial.revlog:349(flags)
+3281 0 0.0040 0.0040 +<mercurial.mpatch.patches>
13682 0 0.0479 0.0248 <method 'decode' of 'str' objects>
+7418 0 0.0228 0.0076 +encodings.utf_8:15(decode)
+1 0 0.0003 0.0000 +encodings:71(search_function)
3248 0 1.3995 0.0246 mercurial.scmutil:218(__call__)
+3248 0 1.3222 1.3222 +<open>
+3248 0 0.0235 0.0184 +os.path:80(split)
+3248 0 0.0084 0.0068 +mercurial.scmutil:92(__call__)
Time: real 2.750 secs (user 0.680+0.000 sys 0.360+0.000)
down to:
CallCount Recursive Total(ms) Inline(ms) module:lineno(function)
55 31 0.0197 0.0163 <__import__>
+1 0 0.0006 0.0002 +mercurial.context:8(<module>)
+1 0 0.0042 0.0001 +mercurial.revlog:12(<module>)
+1 0 0.0002 0.0001 +mercurial.match:8(<module>)
+1 0 0.0003 0.0001 +mercurial.dirstate:7(<module>)
+1 0 0.0057 0.0001 +mercurial.changelog:8(<module>)
1 0 0.0117 0.0032 mercurial.localrepo:525(_readbranchcache)
+844 0 0.0015 0.0015 +<binascii.unhexlify>
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+843 0 0.0045 0.0009 +mercurial.encoding:61(tolocal)
+843 0 0.0004 0.0004 +<method 'setdefault' of 'dict' objects>
+1 0 0.0003 0.0003 +<method 'close' of 'file' objects>
3 0 0.0029 0.0029 <method 'read' of 'file' objects>
9 0 0.0018 0.0018 <open>
990 0 0.0017 0.0017 <binascii.unhexlify>
53 0 0.0016 0.0016 mercurial.demandimport:43(__init__)
862 0 0.0015 0.0015 <_codecs.utf_8_decode>
862 0 0.0037 0.0014 <method 'decode' of 'str' objects>
+862 0 0.0023 0.0008 +encodings.utf_8:15(decode)
981 0 0.0011 0.0011 <method 'split' of 'str' objects>
861 0 0.0046 0.0009 mercurial.encoding:61(tolocal)
+861 0 0.0037 0.0014 +<method 'decode' of 'str' objects>
862 0 0.0023 0.0008 encodings.utf_8:15(decode)
+862 0 0.0015 0.0015 +<_codecs.utf_8_decode>
4 0 0.0008 0.0008 <method 'close' of 'file' objects>
179 154 0.0202 0.0004 mercurial.demandimport:83(__getattribute__)
+36 11 0.0199 0.0003 +mercurial.demandimport:55(_load)
+72 0 0.0001 0.0001 +mercurial.demandimport:83(__getattribute__)
+36 0 0.0000 0.0000 +<getattr>
1 0 0.0015 0.0004 mercurial.tags:148(_readtagcache)
Time: real 0.060 secs (user 0.030+0.000 sys 0.010+0.000)
author | Brodie Rao <brodie@sf.io> |
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date | Sun, 13 May 2012 14:04:04 +0200 |
parents | d23dfcbb8840 |
children | 38caf405d010 |
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 hg, commands, util |
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10 |
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11 def share(ui, source, dest=None, noupdate=False): |
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12 """create a new shared repository |
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13 |
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14 Initialize a new repository and working directory that shares its |
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15 history with another repository. |
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16 |
12389 | 17 .. note:: |
18 using rollback or extensions that destroy/modify history (mq, | |
19 rebase, etc.) can cause considerable confusion with shared | |
20 clones. In particular, if two shared clones are both updated to | |
21 the same changeset, and one of them destroys that changeset | |
22 with rollback, the other clone will suddenly stop working: all | |
23 operations will fail with "abort: working directory has unknown | |
24 parent". The only known workaround is to use debugsetparents on | |
25 the broken clone to reset it to a changeset that still exists | |
26 (e.g. tip). | |
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27 """ |
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28 |
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29 return hg.share(ui, source, dest, not noupdate) |
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30 |
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31 def unshare(ui, repo): |
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32 """convert a shared repository to a normal one |
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33 |
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34 Copy the store data to the repo and remove the sharedpath data. |
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35 """ |
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36 |
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37 if repo.sharedpath == repo.path: |
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38 raise util.Abort(_("this is not a shared repo")) |
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39 |
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40 destlock = lock = None |
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41 lock = repo.lock() |
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42 try: |
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43 # we use locks here because if we race with commit, we |
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44 # can end up with extra data in the cloned revlogs that's |
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45 # not pointed to by changesets, thus causing verify to |
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46 # fail |
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47 |
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48 destlock = hg.copystore(ui, repo, repo.path) |
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49 |
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50 sharefile = repo.join('sharedpath') |
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51 util.rename(sharefile, sharefile + '.old') |
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52 |
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53 repo.requirements.discard('sharedpath') |
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54 repo._writerequirements() |
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55 finally: |
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56 destlock and destlock.release() |
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57 lock and lock.release() |
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58 |
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59 # update store, spath, sopener and sjoin of repo |
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60 repo.__init__(ui, repo.root) |
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61 |
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62 cmdtable = { |
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63 "share": |
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64 (share, |
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65 [('U', 'noupdate', None, _('do not create a working copy'))], |
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66 _('[-U] SOURCE [DEST]')), |
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67 "unshare": |
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68 (unshare, |
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69 [], |
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70 ''), |
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71 } |
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72 |
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73 commands.norepo += " share" |