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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
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test-single-head.t
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=====================
Test workflow options
=====================
$ . "$TESTDIR/testlib/obsmarker-common.sh"
Test single head enforcing - Setup
=============================================
$ cat << EOF >> $HGRCPATH
> [experimental]
> evolution = all
> EOF
$ hg init single-head-server
$ cd single-head-server
$ cat <<EOF >> .hg/hgrc
> [phases]
> publish = no
> [experimental]
> single-head-per-branch = yes
> EOF
$ mkcommit ROOT
$ mkcommit c_dA0
$ cd ..
$ hg clone single-head-server client
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Test single head enforcing - with branch only
---------------------------------------------
$ cd client
continuing the current defaultbranch
$ mkcommit c_dB0
$ hg push
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
creating a new branch
$ hg up 'desc("ROOT")'
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ hg branch branch_A
marked working directory as branch branch_A
(branches are permanent and global, did you want a bookmark?)
$ mkcommit c_aC0
$ hg push --new-branch
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
Create a new head on the default branch
$ hg up 'desc("c_dA0")'
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit c_dD0
created new head
$ hg log -r 'heads(::branch("default"))' -T '{node|short}\n'
286d02a6e2a2
9bf953aa81f6
$ hg push -f
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
transaction abort!
rollback completed
abort: rejecting multiple heads on branch "default"
(2 heads: 286d02a6e2a2 9bf953aa81f6)
[255]
remerge them
$ hg merge
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ mkcommit c_dE0
$ hg push
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 2 files
Test single head enforcing - after rewrite
------------------------------------------
$ mkcommit c_dF0
$ hg push
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
$ hg commit --amend -m c_dF1
$ hg push
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 1 files (+1 heads)
1 new obsolescence markers
obsoleted 1 changesets
Check it does not interfer with strip
-------------------------------------
setup
$ hg branch branch_A --force
marked working directory as branch branch_A
$ mkcommit c_aG0
created new head
$ hg update 'desc("c_dF1")'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit c_dH0
$ hg update 'desc("c_aG0")'
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ mkcommit c_aI0
$ hg log -G
@ changeset: 10:49003e504178
|\ branch: branch_A
| | tag: tip
| | parent: 8:a33fb808fb4b
| | parent: 3:840af1c6bc88
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_aI0
| |
| | o changeset: 9:fe47ea669cea
| | | parent: 7:99a2dc242c5d
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_dH0
| | |
| o | changeset: 8:a33fb808fb4b
| |/ branch: branch_A
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_aG0
| |
| o changeset: 7:99a2dc242c5d
| | parent: 5:6ed1df20edb1
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_dF1
| |
| o changeset: 5:6ed1df20edb1
| |\ parent: 4:9bf953aa81f6
| | | parent: 2:286d02a6e2a2
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_dE0
| | |
| | o changeset: 4:9bf953aa81f6
| | | parent: 1:134bc3852ad2
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_dD0
| | |
o | | changeset: 3:840af1c6bc88
| | | branch: branch_A
| | | parent: 0:ea207398892e
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_aC0
| | |
| o | changeset: 2:286d02a6e2a2
| |/ user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_dB0
| |
| o changeset: 1:134bc3852ad2
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c_dA0
|
o changeset: 0:ea207398892e
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: ROOT
actual stripping
$ hg strip --config extensions.strip= --rev 'desc("c_dH0")'
saved backup bundle to $TESTTMP/client/.hg/strip-backup/fe47ea669cea-a41bf5a9-backup.hg
Test that closing heads are ignored by default
-----------------------------------------------
$ hg up 'desc("c_aG0")'
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ mkcommit c_aJ0
created new head
pushing the new head should fails
$ hg push -f
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
transaction abort!
rollback completed
abort: rejecting multiple heads on branch "branch_A"
(2 heads: 49003e504178 468bd81ccc5d)
[255]
closing the head and pushing should succeed
$ mkcommit c_aK0 --close-branch
$ hg push -f
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 4 changes to 4 files (-1 heads)
Test that closing heads can be explicitly accounted for
-------------------------------------------------------
$ cat <<EOF >> $TESTTMP/single-head-server/.hg/hgrc
> [experimental]
> single-head-per-branch:account-closed-heads = yes
> EOF
$ hg up 'desc("c_aG0")'
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ mkcommit c_aL0
created new head
$ mkcommit c_aM0 --close-branch
$ hg push -f
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
transaction abort!
rollback completed
abort: rejecting multiple heads on branch "branch_A"
(3 heads: 49003e504178 5254bcccab93 42b9fe70a3c1)
[255]
Test that config can be overriden as the boolean it is
------------------------------------------------------
$ cat <<EOF >> $TESTTMP/single-head-server/.hg/hgrc
> [experimental]
> single-head-per-branch = no
> EOF
Because of previous test, we'll also push c_aL0 and c_aM0.
$ hg out -T "{desc}\n"
comparing with $TESTTMP/single-head-server
searching for changes
c_aL0
c_aM0
Let's make a new head and push everything. The server feedback will mention
exactly one new head because c_aM0 is closed.
$ hg up 'desc("c_aG0")'
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ mkcommit c_aN0
created new head
$ hg push -f
pushing to $TESTTMP/single-head-server
searching for changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 3 changes to 3 files (+1 heads)
$ cd ..
Test that singe-head-per-branch can be restricted to public changes
-------------------------------------------------------------------
$ hg clone -r 49003e504178 single-head-server public-only
adding changesets
adding manifests
adding file changes
added 9 changesets with 9 changes to 9 files
1 new obsolescence markers
new changesets ea207398892e:49003e504178 (9 drafts)
updating to branch branch_A
9 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd public-only
$ cat <<EOF >> .hg/hgrc
> [phases]
> publish = no
> [experimental]
> single-head-per-branch = yes
> single-head-per-branch:public-changes-only = yes
> EOF
> hg phase -p :
$ hg update 'desc("c_aG0")'
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ mkcommit c_dO0
created new head
$ hg log -G
@ changeset: 9:8058fd35cc2b
| branch: branch_A
| tag: tip
| parent: 7:a33fb808fb4b
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c_dO0
|
| o changeset: 8:49003e504178
|/| branch: branch_A
| | parent: 7:a33fb808fb4b
| | parent: 3:840af1c6bc88
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_aI0
| |
o | changeset: 7:a33fb808fb4b
| | branch: branch_A
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_aG0
| |
o | changeset: 6:99a2dc242c5d
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_dF1
| |
o | changeset: 5:6ed1df20edb1
|\ \ parent: 4:9bf953aa81f6
| | | parent: 2:286d02a6e2a2
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_dE0
| | |
| o | changeset: 4:9bf953aa81f6
| | | parent: 1:134bc3852ad2
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_dD0
| | |
| | o changeset: 3:840af1c6bc88
| | | branch: branch_A
| | | parent: 0:ea207398892e
| | | user: test
| | | date: Thu Jan 01 00:00:00 1970 +0000
| | | summary: c_aC0
| | |
o | | changeset: 2:286d02a6e2a2
|/ / user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: c_dB0
| |
o | changeset: 1:134bc3852ad2
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c_dA0
|
o changeset: 0:ea207398892e
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: ROOT
$ hg phase -p .
abort: rejecting multiple heads on branch "branch_A"
(2 heads: 49003e504178 8058fd35cc2b)
[255]