Mercurial > hg
view tests/test-clone.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 | e54a078153f7 |
children | dda11e799529 |
line wrap: on
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Prepare repo a: $ hg init a $ cd a $ echo a > a $ hg add a $ hg commit -m test $ echo first line > b $ hg add b Create a non-inlined filelog: $ python -c 'file("data1", "wb").write("".join("%s\n" % x for x in range(10000)))' $ for j in 0 1 2 3 4 5 6 7 8 9; do > cat data1 >> b > hg commit -m test > done List files in store/data (should show a 'b.d'): $ for i in .hg/store/data/*; do > echo $i > done .hg/store/data/a.i .hg/store/data/b.d .hg/store/data/b.i Default operation: $ hg clone . ../b updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd ../b $ cat a a $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files 2 files, 11 changesets, 11 total revisions Invalid dest '' must abort: $ hg clone . '' abort: empty destination path is not valid [255] No update, with debug option: #if hardlink $ hg --debug clone -U . ../c linked 8 files listing keys for "bookmarks" #else $ hg --debug clone -U . ../c copied 8 files listing keys for "bookmarks" #endif $ cd ../c $ cat a 2>/dev/null || echo "a not present" a not present $ hg verify checking changesets checking manifests crosschecking files in changesets and manifests checking files 2 files, 11 changesets, 11 total revisions Default destination: $ mkdir ../d $ cd ../d $ hg clone ../a destination directory: a updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd a $ hg cat a a $ cd ../.. Check that we drop the 'file:' from the path before writing the .hgrc: $ hg clone file:a e updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ grep 'file:' e/.hg/hgrc [1] Check that path aliases are expanded: $ hg clone -q -U --config 'paths.foobar=a#0' foobar f $ hg -R f showconfig paths.default $TESTTMP/a#0 (glob) Use --pull: $ hg clone --pull a g requesting all changes adding changesets adding manifests adding file changes added 11 changesets with 11 changes to 2 files updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R g verify checking changesets checking manifests crosschecking files in changesets and manifests checking files 2 files, 11 changesets, 11 total revisions Invalid dest '' with --pull must abort (issue2528): $ hg clone --pull a '' abort: empty destination path is not valid [255] Clone to '.': $ mkdir h $ cd h $ hg clone ../a . updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd .. *** Tests for option -u *** Adding some more history to repo a: $ cd a $ hg tag ref1 $ echo the quick brown fox >a $ hg ci -m "hacked default" $ hg up ref1 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg branch stable marked working directory as branch stable (branches are permanent and global, did you want a bookmark?) $ echo some text >a $ hg ci -m "starting branch stable" $ hg tag ref2 $ echo some more text >a $ hg ci -m "another change for branch stable" $ hg up ref2 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg parents changeset: 13:e8ece76546a6 branch: stable tag: ref2 parent: 10:a7949464abda user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: starting branch stable Repo a has two heads: $ hg heads changeset: 15:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default $ cd .. Testing --noupdate with --updaterev (must abort): $ hg clone --noupdate --updaterev 1 a ua abort: cannot specify both --noupdate and --updaterev [255] Testing clone -u: $ hg clone -u . a ua updating to branch stable 2 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has both heads: $ hg -R ua heads changeset: 15:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default Same revision checked out in repo a and ua: $ hg -R a parents --template "{node|short}\n" e8ece76546a6 $ hg -R ua parents --template "{node|short}\n" e8ece76546a6 $ rm -r ua Testing clone --pull -u: $ hg clone --pull -u . a ua requesting all changes adding changesets adding manifests adding file changes added 16 changesets with 16 changes to 3 files (+1 heads) updating to branch stable 2 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has both heads: $ hg -R ua heads changeset: 15:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default Same revision checked out in repo a and ua: $ hg -R a parents --template "{node|short}\n" e8ece76546a6 $ hg -R ua parents --template "{node|short}\n" e8ece76546a6 $ rm -r ua Testing clone -u <branch>: $ hg clone -u stable a ua updating to branch stable 3 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has both heads: $ hg -R ua heads changeset: 15:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default Branch 'stable' is checked out: $ hg -R ua parents changeset: 15:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable $ rm -r ua Testing default checkout: $ hg clone a ua updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has both heads: $ hg -R ua heads changeset: 15:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default Branch 'default' is checked out: $ hg -R ua parents changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default Test clone with a branch named "@" (issue3677) $ hg -R ua branch @ marked working directory as branch @ (branches are permanent and global, did you want a bookmark?) $ hg -R ua commit -m 'created branch @' $ hg clone ua atbranch updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R atbranch heads changeset: 16:798b6d97153e branch: @ tag: tip parent: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: created branch @ changeset: 15:0aae7cf88f0d branch: stable user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default $ hg -R atbranch parents changeset: 12:f21241060d6a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: hacked default $ rm -r ua atbranch Testing #<branch>: $ hg clone -u . a#stable ua adding changesets adding manifests adding file changes added 14 changesets with 14 changes to 3 files updating to branch stable 2 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has branch 'stable' and 'default' (was changed in fd511e9eeea6): $ hg -R ua heads changeset: 13:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 10:a7949464abda user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: test Same revision checked out in repo a and ua: $ hg -R a parents --template "{node|short}\n" e8ece76546a6 $ hg -R ua parents --template "{node|short}\n" e8ece76546a6 $ rm -r ua Testing -u -r <branch>: $ hg clone -u . -r stable a ua adding changesets adding manifests adding file changes added 14 changesets with 14 changes to 3 files updating to branch stable 2 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has branch 'stable' and 'default' (was changed in fd511e9eeea6): $ hg -R ua heads changeset: 13:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 10:a7949464abda user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: test Same revision checked out in repo a and ua: $ hg -R a parents --template "{node|short}\n" e8ece76546a6 $ hg -R ua parents --template "{node|short}\n" e8ece76546a6 $ rm -r ua Testing -r <branch>: $ hg clone -r stable a ua adding changesets adding manifests adding file changes added 14 changesets with 14 changes to 3 files updating to branch stable 3 files updated, 0 files merged, 0 files removed, 0 files unresolved Repo ua has branch 'stable' and 'default' (was changed in fd511e9eeea6): $ hg -R ua heads changeset: 13:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable changeset: 10:a7949464abda user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: test Branch 'stable' is checked out: $ hg -R ua parents changeset: 13:0aae7cf88f0d branch: stable tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: another change for branch stable $ rm -r ua Issue2267: Error in 1.6 hg.py: TypeError: 'NoneType' object is not iterable in addbranchrevs() $ cat <<EOF > simpleclone.py > from mercurial import ui, hg > myui = ui.ui() > repo = hg.repository(myui, 'a') > hg.clone(myui, {}, repo, dest="ua") > EOF $ python simpleclone.py updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ rm -r ua $ cat <<EOF > branchclone.py > from mercurial import ui, hg, extensions > myui = ui.ui() > extensions.loadall(myui) > repo = hg.repository(myui, 'a') > hg.clone(myui, {}, repo, dest="ua", branch=["stable",]) > EOF $ python branchclone.py adding changesets adding manifests adding file changes added 14 changesets with 14 changes to 3 files updating to branch stable 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ rm -r ua Test clone with special '@' bookmark: $ cd a $ hg bookmark -r a7949464abda @ # branch point of stable from default $ hg clone . ../i updating to bookmark @ 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg id -i ../i a7949464abda $ rm -r ../i $ hg bookmark -f -r stable @ $ hg bookmarks @ 15:0aae7cf88f0d $ hg clone . ../i updating to bookmark @ on branch stable 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg id -i ../i 0aae7cf88f0d $ cd "$TESTTMP" Testing failures: $ mkdir fail $ cd fail No local source $ hg clone a b abort: repository a not found! [255] No remote source $ hg clone http://127.0.0.1:3121/a b abort: error: *refused* (glob) [255] $ rm -rf b # work around bug with http clone #if unix-permissions no-root Inaccessible source $ mkdir a $ chmod 000 a $ hg clone a b abort: repository a not found! [255] Inaccessible destination $ hg init b $ cd b $ hg clone . ../a abort: Permission denied: '../a' [255] $ cd .. $ chmod 700 a $ rm -r a b #endif #if fifo Source of wrong type $ mkfifo a $ hg clone a b abort: repository a not found! [255] $ rm a #endif Default destination, same directory $ hg init q $ hg clone q destination directory: q abort: destination 'q' is not empty [255] destination directory not empty $ mkdir a $ echo stuff > a/a $ hg clone q a abort: destination 'a' is not empty [255] #if unix-permissions no-root leave existing directory in place after clone failure $ hg init c $ cd c $ echo c > c $ hg commit -A -m test adding c $ chmod -rx .hg/store/data $ cd .. $ mkdir d $ hg clone c d 2> err [255] $ test -d d $ test -d d/.hg [1] re-enable perm to allow deletion $ chmod +rx c/.hg/store/data #endif $ cd ..