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bisect: avoid adding irrelevant revisions to bisect state...
bisect: avoid adding irrelevant revisions to bisect state When adding new revisions to the bisect state, it only makes sense to add information about revisions that are under consideration (i.e., those that are topologically between the known good and bad revisions). However, if the user passes in a revset (e.g., '!merge()' to exclude merge commits), hg will resolve the revset first and add all matching revisions to the bisect state (which in this case would likely be the majority of revisions in the repo). To avoid this, revisions should only be added to the bisect state if they are between the good and bad revisions (and therefore relevant to the bisection). -- Here are the results of some performance tests using the `mozilla-central` repo (since it is one of the largest freely-available hg repositories in the wild). These tests compare the performance of a locally-built `hg` before and after application of this series. Note that `--noupdate` is passed to avoid including update time (which should not vary across cases). Setup (run between each test): $ hg bisect --reset $ hg bisect --noupdate --bad 56c3ad4bde5c70714b784ccf15d099e0df0f5bde $ hg bisect --noupdate --good 57426696adaf08298af3027fa77486fee0633b13 Test using a revset that returns a very large number of revisions: $ time hg bisect --noupdate --skip '!merge()' > /dev/null Before: real 0m9.398s user 0m9.233s sys 0m0.120s After: real 0m1.513s user 0m1.425s sys 0m0.052s Test using a revset that is expensive to compute: $ time hg bisect --noupdate --skip 'desc("Bug")' > /dev/null Before: real 0m49.853s user 0m49.580s sys 0m0.243s After: real 0m4.120s user 0m4.036s sys 0m0.048s
Martin von Zweigbergk - - Load All Authors

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test-treediscovery-legacy.t
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Tests discovery against servers without getbundle support:
$ cat >> $HGRCPATH <<EOF
> [ui]
> logtemplate="{rev} {node|short}: {desc} {branches}\n"
> EOF
$ cp $HGRCPATH $HGRCPATH-withcap
$ CAP="getbundle known changegroupsubset bundle2"
$ . "$TESTDIR/notcapable"
$ cp $HGRCPATH $HGRCPATH-nocap
$ cp $HGRCPATH-withcap $HGRCPATH
Prep for test server without branchmap support
$ CAP="branchmap"
$ . "$TESTDIR/notcapable"
$ cp $HGRCPATH $HGRCPATH-nocap-branchmap
$ cp $HGRCPATH-withcap $HGRCPATH
Setup HTTP server control:
$ remote=http://localhost:$HGPORT/
$ export remote
$ tstart() {
> echo '[web]' > $1/.hg/hgrc
> echo 'push_ssl = false' >> $1/.hg/hgrc
> echo 'allow_push = *' >> $1/.hg/hgrc
> cp $HGRCPATH-nocap $HGRCPATH
> hg serve -R $1 -p $HGPORT -d --pid-file=hg.pid -E errors.log
> cat hg.pid >> $DAEMON_PIDS
> }
$ tstop() {
> killdaemons.py
> cp $HGRCPATH-withcap $HGRCPATH
> }
Both are empty:
$ hg init empty1
$ hg init empty2
$ tstart empty2
$ hg incoming -R empty1 $remote
comparing with http://localhost:$HGPORT/
no changes found
[1]
$ hg outgoing -R empty1 $remote
comparing with http://localhost:$HGPORT/
no changes found
[1]
$ hg pull -R empty1 $remote
pulling from http://localhost:$HGPORT/
no changes found
$ hg push -R empty1 $remote
pushing to http://localhost:$HGPORT/
no changes found
[1]
$ tstop
Base repo:
$ hg init main
$ cd main
$ hg debugbuilddag -mo '+2:tbase @name1 +3:thead1 <tbase @name2 +4:thead2 @both /thead1 +2:tmaintip'
$ hg log -G
o 11 a19bfa7e7328: r11 both
|
o 10 8b6bad1512e1: r10 both
|
o 9 025829e08038: r9 both
|\
| o 8 d8f638ac69e9: r8 name2
| |
| o 7 b6b4d315a2ac: r7 name2
| |
| o 6 6c6f5d5f3c11: r6 name2
| |
| o 5 70314b29987d: r5 name2
| |
o | 4 e71dbbc70e03: r4 name1
| |
o | 3 2c8d5d5ec612: r3 name1
| |
o | 2 a7892891da29: r2 name1
|/
o 1 0019a3b924fd: r1
|
o 0 d57206cc072a: r0
$ cd ..
$ tstart main
Full clone:
$ hg clone main full
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd full
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg pull $remote
pulling from http://localhost:$HGPORT/
searching for changes
no changes found
$ hg push $remote
pushing to http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ cd ..
Local is empty:
$ cd empty1
$ hg incoming $remote --rev name1
comparing with http://localhost:$HGPORT/
abort: cannot look up remote changes; remote repository does not support the 'changegroupsubset' capability
[255]
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
0 d57206cc072a: r0
1 0019a3b924fd: r1
2 a7892891da29: r2 name1
3 2c8d5d5ec612: r3 name1
4 e71dbbc70e03: r4 name1
5 70314b29987d: r5 name2
6 6c6f5d5f3c11: r6 name2
7 b6b4d315a2ac: r7 name2
8 d8f638ac69e9: r8 name2
9 025829e08038: r9 both
10 8b6bad1512e1: r10 both
11 a19bfa7e7328: r11 both
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
no changes found
[1]
$ hg push $remote
pushing to http://localhost:$HGPORT/
no changes found
[1]
$ hg pull $remote
pulling from http://localhost:$HGPORT/
requesting all changes
adding changesets
adding manifests
adding file changes
added 12 changesets with 24 changes to 2 files
new changesets d57206cc072a:a19bfa7e7328
(run 'hg update' to get a working copy)
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ cd ..
Local is subset:
$ cp $HGRCPATH-withcap $HGRCPATH
$ hg clone main subset --rev name2 ; cd subset
adding changesets
adding manifests
adding file changes
added 6 changesets with 12 changes to 2 files
new changesets d57206cc072a:d8f638ac69e9
updating to branch name2
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cp $HGRCPATH-nocap $HGRCPATH
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
6 a7892891da29: r2 name1
7 2c8d5d5ec612: r3 name1
8 e71dbbc70e03: r4 name1
9 025829e08038: r9 both
10 8b6bad1512e1: r10 both
11 a19bfa7e7328: r11 both
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg push $remote
pushing to http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg pull $remote
pulling from http://localhost:$HGPORT/
searching for changes
adding changesets
adding manifests
adding file changes
added 6 changesets with 12 changes to 2 files
new changesets a7892891da29:a19bfa7e7328
(run 'hg update' to get a working copy)
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ cd ..
Remote is empty:
$ tstop ; tstart empty2
$ cd main
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
0 d57206cc072a: r0
1 0019a3b924fd: r1
2 a7892891da29: r2 name1
3 2c8d5d5ec612: r3 name1
4 e71dbbc70e03: r4 name1
5 70314b29987d: r5 name2
6 6c6f5d5f3c11: r6 name2
7 b6b4d315a2ac: r7 name2
8 d8f638ac69e9: r8 name2
9 025829e08038: r9 both
10 8b6bad1512e1: r10 both
11 a19bfa7e7328: r11 both
$ hg pull $remote
pulling from http://localhost:$HGPORT/
searching for changes
no changes found
$ hg push $remote
pushing to http://localhost:$HGPORT/
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 12 changesets with 24 changes to 2 files
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ cd ..
Local is superset:
$ tstop
$ hg clone main subset2 --rev name2
adding changesets
adding manifests
adding file changes
added 6 changesets with 12 changes to 2 files
new changesets d57206cc072a:d8f638ac69e9
updating to branch name2
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ tstart subset2
$ cd main
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
2 a7892891da29: r2 name1
3 2c8d5d5ec612: r3 name1
4 e71dbbc70e03: r4 name1
9 025829e08038: r9 both
10 8b6bad1512e1: r10 both
11 a19bfa7e7328: r11 both
$ hg pull $remote
pulling from http://localhost:$HGPORT/
searching for changes
no changes found
$ hg push $remote
pushing to http://localhost:$HGPORT/
searching for changes
abort: push creates new remote branches: both, name1
(use 'hg push --new-branch' to create new remote branches)
[20]
$ hg push $remote --new-branch
pushing to http://localhost:$HGPORT/
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 6 changesets with 12 changes to 2 files
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ cd ..
Partial pull:
$ tstop ; tstart main
$ hg clone $remote partial --rev name2
abort: partial pull cannot be done because other repository doesn't support changegroupsubset.
[255]
$ hg init partial; cd partial
$ hg incoming $remote --rev name2
comparing with http://localhost:$HGPORT/
abort: cannot look up remote changes; remote repository does not support the 'changegroupsubset' capability
[255]
$ hg pull $remote --rev name2
pulling from http://localhost:$HGPORT/
abort: partial pull cannot be done because other repository doesn't support changegroupsubset.
[255]
$ cd ..
$ tstop
Exercise pushing to server without branchmap capability
$ cp $HGRCPATH-nocap-branchmap $HGRCPATH-nocap
$ hg init rlocal
$ cd rlocal
$ echo A > A
$ hg ci -Am A
adding A
$ cd ..
$ hg clone rlocal rremote
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd rlocal
$ echo B > B
$ hg ci -Am B
adding B
$ cd ..
$ tstart rremote
$ cd rlocal
$ hg incoming $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
1 27547f69f254: B
$ hg pull $remote
pulling from http://localhost:$HGPORT/
searching for changes
no changes found
1 local changesets published
$ hg push $remote
pushing to http://localhost:$HGPORT/
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ hg outgoing $remote
comparing with http://localhost:$HGPORT/
searching for changes
no changes found
[1]
$ cd ..
$ tstop