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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
Joerg Sonnenberger - - Load All Authors

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test-hooklib-changeset_obsoleted.t
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$ cat <<EOF >> $HGRCPATH
> [experimental]
> evolution = true
>
> [extensions]
> notify =
> hooklib =
>
> [phases]
> publish = False
>
> [notify]
> sources = pull
> diffstat = False
> messageidseed = example
> domain = example.com
>
> [reposubs]
> * = baz
> EOF
$ hg init a
$ hg --cwd a debugbuilddag +2
$ hg init b
$ cat <<EOF >> b/.hg/hgrc
> [hooks]
> incoming.notify = python:hgext.notify.hook
> txnclose.changeset_obsoleted = python:hgext.hooklib.changeset_obsoleted.hook
> EOF
$ hg --cwd b pull ../a | "$PYTHON" $TESTDIR/unwrap-message-id.py
pulling from ../a
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 0 changes to 0 files
new changesets 1ea73414a91b:66f7d451a68b (2 drafts)
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Date: * (glob)
Subject: changeset in * (glob)
From: debugbuilddag@example.com
X-Hg-Notification: changeset 1ea73414a91b
Message-Id: <hg.81c297828fd2d5afaadf2775a6a71b74143b6451dfaac09fac939e9107a50d01@example.com>
To: baz@example.com
changeset 1ea73414a91b in $TESTTMP/b
details: $TESTTMP/b?cmd=changeset;node=1ea73414a91b
description:
r0
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Date: * (glob)
Subject: changeset in * (glob)
From: debugbuilddag@example.com
X-Hg-Notification: changeset 66f7d451a68b
Message-Id: <hg.364d03da7dc13829eb779a805be7e37f54f572e9afcea7d2626856a794d3e8f3@example.com>
To: baz@example.com
changeset 66f7d451a68b in $TESTTMP/b
details: $TESTTMP/b?cmd=changeset;node=66f7d451a68b
description:
r1
(run 'hg update' to get a working copy)
$ hg --cwd a debugobsolete 1ea73414a91b0920940797d8fc6a11e447f8ea1e
1 new obsolescence markers
obsoleted 1 changesets
1 new orphan changesets
$ hg --cwd a push ../b --hidden | "$PYTHON" $TESTDIR/unwrap-message-id.py
1 new orphan changesets
pushing to ../b
searching for changes
no changes found
1 new obsolescence markers
obsoleted 1 changesets
Subject: changeset abandoned
In-reply-to: <hg.81c297828fd2d5afaadf2775a6a71b74143b6451dfaac09fac939e9107a50d01@example.com>
Message-Id: <hg.d6329e9481594f0f3c8a84362b3511318bfbce50748ab1123f909eb6fbcab018@example.com>
Date: * (glob)
From: test@example.com
To: baz@example.com
This changeset has been abandoned.
Check that known changesets with known successors do not result in a mail.
$ hg init c
$ hg init d
$ cat <<EOF >> d/.hg/hgrc
> [hooks]
> incoming.notify = python:hgext.notify.hook
> txnclose.changeset_obsoleted = python:hgext.hooklib.changeset_obsoleted.hook
> EOF
$ hg --cwd c debugbuilddag '.:parent.*parent'
$ hg --cwd c push ../d -r 1
pushing to ../d
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 0 changes to 0 files
$ hg --cwd c debugobsolete $(hg --cwd c log -T '{node}' -r 1) $(hg --cwd c log -T '{node}' -r 2)
1 new obsolescence markers
obsoleted 1 changesets
$ hg --cwd c push ../d | "$PYTHON" $TESTDIR/unwrap-message-id.py
pushing to ../d
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files (+1 heads)
1 new obsolescence markers
obsoleted 1 changesets