Mercurial > hg
view tests/test-strip.t @ 20182:04036798ebed
branches: avoid unnecessary changectx.branch() calls
This requires reading from the changelog, which can be costly over NFS.
Note that this does not totally remove reading from the changelog; we
still do that when calling changectx.closesbranch(). That call will be
removed in a later patch.
Running hg branches on the PyPy repo (with 996) over a busy NFS server,
before this change:
$ time hg --profile branches > /dev/null
CallCount Recursive Total(s) Inline(s) module:lineno(function)
2042 0 2.2827 2.2827 <open>
2036 0 0.9840 0.9840 <method 'close' of 'file' objects>
2036 0 0.0464 0.0464 <method 'read' of 'file' objects>
5233 0 0.1985 0.0453 mercurial.repoview:161(changelog)
10462 0 0.0791 0.0314 mercurial.changelog:133(tip)
5233 0 0.0388 0.0176 mercurial.localrepo:26(__get__)
10462 0 0.0250 0.0126 <len>
5233 0 0.0059 0.0039 mercurial.repoview:112(filterrevs)
10462 0 0.0029 0.0029 <hash>
2034 0 0.0444 0.0444 <method 'seek' of 'file' objects>
5340 0 0.0390 0.0390 mercurial.revlog:296(rev)
2582 0 0.0371 0.0371 <zlib.decompress>
3155 0 0.1963 0.0366 mercurial.context:202(__init__)
3155 0 0.1238 0.0306 mercurial.repoview:161(changelog)
3155 0 0.0261 0.0080 mercurial.changelog:183(rev)
9465 0 0.0061 0.0061 <isinstance>
1096 0 0.0023 0.0023 <binascii.unhexlify>
4251 0 0.0014 0.0014 <len>
2059 0 3.7341 0.0332 mercurial.changelog:270(read)
2059 0 3.6304 0.0307 mercurial.revlog:907(revision)
2057 0 0.0262 0.0137 mercurial.changelog:28(decodeextra)
4118 0 0.0094 0.0094 <method 'split' of 'str' objects>
4118 0 0.0270 0.0048 mercurial.encoding:61(tolocal)
2059 0 0.0040 0.0040 <method 'index' of 'str' objects>
10462 0 0.0791 0.0314 mercurial.changelog:133(tip)
10462 0 0.0289 0.0207 mercurial.changelog:190(node)
10462 0 0.0188 0.0091 <len>
52433 20932 0.0478 0.0310 <len>
20932 0 0.0221 0.0168 mercurial.revlog:262(__len__)
2059 0 3.6304 0.0307 mercurial.revlog:907(revision)
real 0m4.361s
user 0m0.986s
sys 0m0.237s
After this change:
$ time hg --profile branches > /dev/null
CallCount Recursive Total(s) Inline(s) module:lineno(function)
1069 0 1.1098 1.1098 <open>
1063 0 0.4865 0.4865 <method 'close' of 'file' objects>
4122 0 0.1811 0.0404 mercurial.repoview:161(changelog)
8240 0 0.0712 0.0272 mercurial.changelog:133(tip)
4122 0 0.0378 0.0177 mercurial.localrepo:26(__get__)
8240 0 0.0221 0.0115 <len>
4122 0 0.0057 0.0033 mercurial.repoview:112(filterrevs)
8240 0 0.0025 0.0025 <hash>
3029 0 0.1979 0.0371 mercurial.context:202(__init__)
3029 0 0.1278 0.0310 mercurial.repoview:161(changelog)
3029 0 0.0230 0.0081 mercurial.changelog:183(rev)
9087 0 0.0061 0.0061 <isinstance>
1096 0 0.0026 0.0026 <binascii.unhexlify>
4125 0 0.0014 0.0014 <len>
4229 0 0.0337 0.0337 mercurial.revlog:296(rev)
1061 0 0.0296 0.0296 <method 'seek' of 'file' objects>
1063 0 0.0292 0.0292 <method 'read' of 'file' objects>
8240 0 0.0712 0.0272 mercurial.changelog:133(tip)
8240 0 0.0271 0.0196 mercurial.changelog:190(node)
8240 0 0.0169 0.0083 <len>
40476 16488 0.0422 0.0271 <len>
16488 0 0.0193 0.0152 mercurial.revlog:262(__len__)
1342 0 0.0241 0.0241 <zlib.decompress>
9445 0 0.0336 0.0224 mercurial.changelog:190(node)
9445 0 0.0112 0.0112 mercurial.revlog:317(node)
1074 0 1.9102 0.0224 mercurial.changelog:270(read)
1074 0 1.8397 0.0202 mercurial.revlog:907(revision)
1073 0 0.0187 0.0099 mercurial.changelog:28(decodeextra)
2148 0 0.0061 0.0061 <method 'split' of 'str' objects>
2148 0 0.0184 0.0034 mercurial.encoding:61(tolocal)
real 0m2.402s
user 0m0.735s
sys 0m0.177s
author | Brodie Rao <brodie@sf.io> |
---|---|
date | Fri, 15 Nov 2013 23:18:08 -0500 |
parents | aa9385f983fa |
children | f49d60fa40a5 |
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$ echo "[extensions]" >> $HGRCPATH $ echo "strip=" >> $HGRCPATH $ restore() { > hg unbundle -q .hg/strip-backup/* > rm .hg/strip-backup/* > } $ teststrip() { > hg up -C $1 > echo % before update $1, strip $2 > hg parents > hg --traceback strip $2 > echo % after update $1, strip $2 > hg parents > restore > } $ hg init test $ cd test $ echo foo > bar $ hg ci -Ama adding bar $ echo more >> bar $ hg ci -Amb $ echo blah >> bar $ hg ci -Amc $ hg up 1 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo blah >> bar $ hg ci -Amd created new head $ echo final >> bar $ hg ci -Ame $ hg log changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e changeset: 3:65bd5f99a4a3 parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d changeset: 2:264128213d29 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ teststrip 4 4 0 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 4 changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 4 changeset: 3:65bd5f99a4a3 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d $ teststrip 4 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 3 changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 3 changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ teststrip 1 4 0 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 1, strip 4 changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 1, strip 4 changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ teststrip 4 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 2 changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 2 changeset: 3:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e $ teststrip 4 1 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 1 changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 1 changeset: 0:9ab35a2d17cb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ teststrip null 4 0 files updated, 0 files merged, 1 files removed, 0 files unresolved % before update null, strip 4 saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update null, strip 4 $ hg log changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c changeset: 3:443431ffac4f user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e changeset: 2:65bd5f99a4a3 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ hg up -C 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg merge 4 0 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) before strip of merge parent $ hg parents changeset: 2:65bd5f99a4a3 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c $ hg strip 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) after strip of merge parent $ hg parents changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ restore $ hg up 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -G @ changeset: 4:264128213d29 | tag: tip | parent: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | | o changeset: 3:443431ffac4f | | user: test | | date: Thu Jan 01 00:00:00 1970 +0000 | | summary: e | | | o changeset: 2:65bd5f99a4a3 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | o changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a 2 is parent of 3, only one strip should happen $ hg strip "roots(2)" 3 saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg log -G @ changeset: 2:264128213d29 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ restore $ hg log -G o changeset: 4:443431ffac4f | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: e | o changeset: 3:65bd5f99a4a3 | parent: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | | @ changeset: 2:264128213d29 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a 2 different branches: 2 strips $ hg strip 2 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg log -G o changeset: 2:65bd5f99a4a3 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | @ changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ restore 2 different branches and a common ancestor: 1 strip $ hg strip 1 "2|4" 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ restore stripping an empty revset $ hg strip "1 and not 1" abort: empty revision set [255] remove branchy history for qimport tests $ hg strip 3 saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) strip of applied mq should cleanup status file $ echo "mq=" >> $HGRCPATH $ hg up -C 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo fooagain >> bar $ hg ci -mf $ hg qimport -r tip:2 applied patches before strip $ hg qapplied 2.diff 3.diff 4.diff stripping revision in queue $ hg strip 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) applied patches after stripping rev in queue $ hg qapplied 2.diff stripping ancestor of queue $ hg strip 1 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) applied patches after stripping ancestor of queue $ hg qapplied Verify strip protects against stripping wc parent when there are uncommitted mods $ echo b > b $ hg add b $ hg ci -m 'b' $ hg log --graph @ changeset: 1:7519abd79d14 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ echo c > b $ echo c > bar $ hg strip tip abort: local changes found [255] $ hg strip tip --keep saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg log --graph @ changeset: 0:9ab35a2d17cb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ hg status M bar ? b Strip adds, removes, modifies with --keep $ touch b $ hg add b $ hg commit -mb $ touch c ... with a clean working dir $ hg add c $ hg rm bar $ hg commit -mc $ hg status $ hg strip --keep tip saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg status ! bar ? c ... with a dirty working dir $ hg add c $ hg rm bar $ hg commit -mc $ hg status $ echo b > b $ echo d > d $ hg strip --keep tip saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg status M b ! bar ? c ? d $ cd .. stripping many nodes on a complex graph (issue3299) $ hg init issue3299 $ cd issue3299 $ hg debugbuilddag '@a.:a@b.:b.:x<a@a.:a<b@b.:b<a@a.:a' $ hg strip 'not ancestors(x)' saved backup bundle to $TESTTMP/issue3299/.hg/strip-backup/*-backup.hg (glob) test hg strip -B bookmark $ cd .. $ hg init bookmarks $ cd bookmarks $ hg debugbuilddag '..<2.*1/2:m<2+3:c<m+3:a<2.:b' $ hg bookmark -r 'a' 'todelete' $ hg bookmark -r 'b' 'B' $ hg bookmark -r 'b' 'nostrip' $ hg bookmark -r 'c' 'delete' $ hg up -C todelete 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg strip -B nostrip bookmark 'nostrip' deleted abort: empty revision set [255] $ hg strip -B todelete bookmark 'todelete' deleted 0 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob) $ hg id -ir dcbb326fdec2 abort: unknown revision 'dcbb326fdec2'! [255] $ hg id -ir d62d843c9a01 d62d843c9a01 $ hg bookmarks B 9:ff43616e5d0f delete 6:2702dd0c91e7 $ hg strip -B delete bookmark 'delete' deleted saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob) $ hg id -ir 6:2702dd0c91e7 abort: unknown revision '2702dd0c91e7'! [255] $ cd ..