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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-sparse-merges.t
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/ tests / test-sparse-merges.t
test merging things outside of the sparse checkout
$ hg init myrepo
$ cd myrepo
$ cat > .hg/hgrc <<EOF
> [extensions]
> sparse=
> EOF
$ echo foo > foo
$ echo bar > bar
$ hg add foo bar
$ hg commit -m initial
$ hg branch feature
marked working directory as branch feature
(branches are permanent and global, did you want a bookmark?)
$ echo bar2 >> bar
$ hg commit -m 'feature - bar2'
$ hg update -q default
$ hg debugsparse --exclude 'bar**'
$ hg merge feature
temporarily included 1 file(s) in the sparse checkout for merging
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
Verify bar was merged temporarily
$ ls -A
.hg
bar
foo
$ hg status
M bar
Verify bar disappears automatically when the working copy becomes clean
$ hg commit -m "merged"
cleaned up 1 temporarily added file(s) from the sparse checkout
$ hg status
$ ls -A
.hg
foo
$ hg cat -r . bar
bar
bar2
Test merging things outside of the sparse checkout that are not in the working
copy
$ hg strip -q -r . --config extensions.strip=
$ hg up -q feature
$ touch branchonly
$ hg ci -Aqm 'add branchonly'
$ hg up -q default
$ hg debugsparse -X branchonly
$ hg merge feature
temporarily included 2 file(s) in the sparse checkout for merging
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ cd ..
Tests merging a file which is modified in one branch and deleted in another and
file is excluded from sparse checkout
$ hg init ytest
$ cd ytest
$ echo "syntax: glob" >> .hgignore
$ echo "*.orig" >> .hgignore
$ hg ci -Aqm "added .hgignore"
$ for ch in a d; do echo foo > $ch; hg ci -Aqm "added "$ch; done;
$ cat >> .hg/hgrc <<EOF
> [alias]
> glog = log -GT "{rev}:{node|short} {desc}"
> [extensions]
> sparse =
> EOF
$ hg glog
@ 2:f29feff37cfc added d
|
o 1:617125d27d6b added a
|
o 0:53f3774ed939 added .hgignore
$ hg rm d
$ hg ci -m "removed d"
$ hg up '.^'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg debugsparse --reset
$ echo bar >> d
$ hg ci -Am "added bar to d"
created new head
$ hg glog
@ 4:6527874a90e4 added bar to d
|
| o 3:372c8558de45 removed d
|/
o 2:f29feff37cfc added d
|
o 1:617125d27d6b added a
|
o 0:53f3774ed939 added .hgignore
$ hg debugsparse --exclude "d"
$ ls -A
.hg
.hgignore
a
$ hg merge
temporarily included 1 file(s) in the sparse checkout for merging
file 'd' was deleted in other [merge rev] but was modified in local [working copy].
You can use (c)hanged version, (d)elete, or leave (u)nresolved.
What do you want to do? u
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg merge --abort' to abandon
[1]
$ cd ..
Testing merging of a file which is renamed+modified on one side and modified on
another
$ hg init mvtest
$ cd mvtest
$ echo "syntax: glob" >> .hgignore
$ echo "*.orig" >> .hgignore
$ hg ci -Aqm "added .hgignore"
$ for ch in a d; do echo foo > $ch; hg ci -Aqm "added "$ch; done;
$ cat >> .hg/hgrc <<EOF
> [alias]
> glog = log -GT "{rev}:{node|short} {desc}"
> [extensions]
> sparse =
> EOF
$ hg glog
@ 2:f29feff37cfc added d
|
o 1:617125d27d6b added a
|
o 0:53f3774ed939 added .hgignore
$ echo babar >> a
$ hg ci -m "added babar to a"
$ hg up '.^'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg mv a amove
$ hg ci -m "moved a to amove"
created new head
$ hg up 3
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg glog
o 4:5d1e85955f6d moved a to amove
|
| @ 3:a06e41a6c16c added babar to a
|/
o 2:f29feff37cfc added d
|
o 1:617125d27d6b added a
|
o 0:53f3774ed939 added .hgignore
$ hg debugsparse --exclude "a"
$ ls -A
.hg
.hgignore
d
$ hg merge
temporarily included 1 file(s) in the sparse checkout for merging
merging a and amove to amove
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg status --copies
M amove
a
R a
$ hg up -C 4
cleaned up 1 temporarily added file(s) from the sparse checkout
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg merge
merging amove and a to amove
abort: cannot add 'a' - it is outside the sparse checkout
(include file with `hg debugsparse --include <pattern>` or use `hg add -s <file>` to include file directory while adding)
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