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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.t
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test sparse
$ hg init myrepo
$ cd myrepo
$ cat > .hg/hgrc <<EOF
> [extensions]
> sparse=
> strip=
> EOF
$ echo a > show
$ echo x > hide
$ hg ci -Aqm 'initial'
$ echo b > show
$ echo y > hide
$ echo aa > show2
$ echo xx > hide2
$ hg ci -Aqm 'two'
Verify basic --include
$ hg up -q 0
$ hg debugsparse --include 'hide'
$ ls -A
.hg
hide
Absolute paths outside the repo should just be rejected
#if no-windows
$ hg debugsparse --include /foo/bar
abort: paths cannot be absolute
[255]
$ hg debugsparse --include '$TESTTMP/myrepo/hide'
$ hg debugsparse --include '/root'
abort: paths cannot be absolute
[255]
#else
TODO: See if this can be made to fail the same way as on Unix
$ hg debugsparse --include /c/foo/bar
abort: paths cannot be absolute
[255]
$ hg debugsparse --include '$TESTTMP/myrepo/hide'
$ hg debugsparse --include '/c/root'
abort: paths cannot be absolute
[255]
#endif
Paths should be treated as cwd-relative, not repo-root-relative
$ mkdir subdir && cd subdir
$ hg debugsparse --include path
$ hg debugsparse
[include]
$TESTTMP/myrepo/hide
hide
subdir/path
$ cd ..
$ echo hello > subdir/file2.ext
$ cd subdir
$ hg debugsparse --include '**.ext' # let us test globs
$ hg debugsparse --include 'path:abspath' # and a path: pattern
$ cd ..
$ hg debugsparse
[include]
$TESTTMP/myrepo/hide
hide
path:abspath
subdir/**.ext
subdir/path
$ rm -rf subdir
Verify commiting while sparse includes other files
$ echo z > hide
$ hg ci -Aqm 'edit hide'
$ ls -A
.hg
hide
$ hg manifest
hide
show
Verify --reset brings files back
$ hg debugsparse --reset
$ ls -A
.hg
hide
show
$ cat hide
z
$ cat show
a
Verify 'hg debugsparse' default output
$ hg up -q null
$ hg debugsparse --include 'show*'
$ hg debugsparse
[include]
show*
Verify update only writes included files
$ hg up -q 0
$ ls -A
.hg
show
$ hg up -q 1
$ ls -A
.hg
show
show2
Verify status only shows included files
$ touch hide
$ touch hide3
$ echo c > show
$ hg status
M show
Adding an excluded file should fail
$ hg add hide3
abort: cannot add 'hide3' - 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)
[255]
But adding a truly excluded file shouldn't count
$ hg add hide3 -X hide3
Verify deleting sparseness while a file has changes fails
$ hg debugsparse --delete 'show*'
pending changes to 'hide'
abort: cannot change sparseness due to pending changes (delete the files or use --force to bring them back dirty)
[255]
Verify deleting sparseness with --force brings back files
$ hg debugsparse -f --delete 'show*'
pending changes to 'hide'
$ ls -A
.hg
hide
hide2
hide3
show
show2
$ hg st
M hide
M show
? hide3
Verify editing sparseness fails if pending changes
$ hg debugsparse --include 'show*'
pending changes to 'hide'
abort: could not update sparseness due to pending changes
[255]
Verify adding sparseness hides files
$ hg debugsparse -f --exclude 'hide*'
pending changes to 'hide'
$ ls -A
.hg
hide
hide3
show
show2
$ hg st
M show
$ hg up -qC .
TODO: add an option to purge to also purge files outside the sparse config?
$ hg purge --all --config extensions.purge=
$ ls -A
.hg
hide
hide3
show
show2
For now, manually remove the files
$ rm hide hide3
Verify rebase temporarily includes excluded files
$ hg rebase -d 1 -r 2 --config extensions.rebase=
rebasing 2:b91df4f39e75 tip "edit hide"
temporarily included 2 file(s) in the sparse checkout for merging
merging hide
warning: conflicts while merging hide! (edit, then use 'hg resolve --mark')
unresolved conflicts (see 'hg resolve', then 'hg rebase --continue')
[240]
$ hg debugsparse
[exclude]
hide*
Temporarily Included Files (for merge/rebase):
hide
$ cat hide
<<<<<<< dest: 39278f7c08a9 - test: two
y
=======
z
>>>>>>> source: b91df4f39e75 - test: edit hide
Verify aborting a rebase cleans up temporary files
$ hg rebase --abort --config extensions.rebase=
cleaned up 1 temporarily added file(s) from the sparse checkout
rebase aborted
$ rm hide.orig
$ ls -A
.hg
show
show2
Verify merge fails if merging excluded files
$ hg up -q 1
$ hg merge -r 2
temporarily included 2 file(s) in the sparse checkout for merging
merging hide
warning: conflicts while merging hide! (edit, then use 'hg resolve --mark')
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]
$ hg debugsparse
[exclude]
hide*
Temporarily Included Files (for merge/rebase):
hide
$ hg up -C .
cleaned up 1 temporarily added file(s) from the sparse checkout
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg debugsparse
[exclude]
hide*
Multiple -I and -X can be passed at once
$ hg debugsparse --reset -I '*2' -X 'hide2'
$ ls -A
.hg
hide.orig
show2
$ hg debugsparse --reset -X 'hide*'
Verify strip -k resets dirstate correctly
$ hg status
$ hg debugsparse
[exclude]
hide*
$ hg log -r . -T '{rev}\n' --stat
1
hide | 2 +-
hide2 | 1 +
show | 2 +-
show2 | 1 +
4 files changed, 4 insertions(+), 2 deletions(-)
$ hg strip -r . -k
saved backup bundle to $TESTTMP/myrepo/.hg/strip-backup/39278f7c08a9-ce59e002-backup.hg
$ hg status
M show
? show2
Verify rebase succeeds if all changed files are in sparse checkout
$ hg commit -Aqm "add show2"
$ hg rebase -d 1 --config extensions.rebase=
rebasing 2:bdde55290160 tip "add show2"
saved backup bundle to $TESTTMP/myrepo/.hg/strip-backup/bdde55290160-216ed9c6-rebase.hg
Verify log --sparse only shows commits that affect the sparse checkout
$ hg log -T '{rev} '
2 1 0 (no-eol)
$ hg log --sparse -T '{rev} '
2 0 (no-eol)
Test status on a file in a subdir
$ mkdir -p dir1/dir2
$ touch dir1/dir2/file
$ hg debugsparse -I dir1/dir2
$ hg status
? dir1/dir2/file
Mix files and subdirectories, both "glob:" and unprefixed
$ hg debugsparse --reset
$ touch dir1/notshown
$ hg commit -A dir1/notshown -m "notshown"
$ hg debugsparse --include 'dir1/dir2'
$ "$PYTHON" $TESTDIR/list-tree.py . | egrep -v '\.[\/]\.hg'
./
./dir1/
./dir1/dir2/
./dir1/dir2/file
./hide.orig
$ hg debugsparse --delete 'dir1/dir2'
$ hg debugsparse --include 'glob:dir1/dir2'
$ "$PYTHON" $TESTDIR/list-tree.py . | egrep -v '\.[\/]\.hg'
./
./dir1/
./dir1/dir2/
./dir1/dir2/file
./hide.orig
Test that add -s adds dirs to sparse profile
$ hg debugsparse --reset
$ hg debugsparse --include empty
$ hg debugsparse
[include]
empty
$ mkdir add
$ touch add/foo
$ touch add/bar
$ hg add add/foo
abort: cannot add 'add/foo' - 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)
[255]
$ hg add -s add/foo
$ hg st
A add/foo
? add/bar
$ hg debugsparse
[include]
add
empty
$ hg add -s add/*
add/foo already tracked!
$ hg st
A add/bar
A add/foo
$ hg debugsparse
[include]
add
empty
$ cd ..
Test non-sparse repos work while sparse is loaded
$ hg init sparserepo
$ hg init nonsparserepo
$ cd sparserepo
$ cat > .hg/hgrc <<EOF
> [extensions]
> sparse=
> EOF
$ cd ../nonsparserepo
$ echo x > x && hg add x && hg commit -qAm x
$ cd ../sparserepo
$ hg clone ../nonsparserepo ../nonsparserepo2
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Test debugrebuilddirstate
$ cd ../sparserepo
$ touch included
$ touch excluded
$ hg add included excluded
$ hg commit -m 'a commit' -q
$ cp .hg/dirstate ../dirstateboth
$ hg debugsparse -X excluded
$ cp ../dirstateboth .hg/dirstate
$ hg debugrebuilddirstate
$ hg debugdirstate
n 0 -1 unset included
Test debugdirstate --minimal where file is in the parent manifest but not the
dirstate
$ hg debugsparse -X included
$ hg debugdirstate
$ cp .hg/dirstate ../dirstateallexcluded
$ hg debugsparse --reset
$ hg debugsparse -X excluded
$ cp ../dirstateallexcluded .hg/dirstate
$ touch includedadded
$ hg add includedadded
$ hg debugdirstate --no-dates
a 0 -1 unset includedadded
$ hg debugrebuilddirstate --minimal
$ hg debugdirstate --no-dates
n 0 -1 unset included
a 0 -1 * includedadded (glob)
Test debugdirstate --minimal where a file is not in parent manifest
but in the dirstate. This should take into account excluded files in the
manifest
$ cp ../dirstateboth .hg/dirstate
$ touch includedadded
$ hg add includedadded
$ touch excludednomanifest
$ hg add excludednomanifest
$ cp .hg/dirstate ../moreexcluded
$ hg forget excludednomanifest
$ rm excludednomanifest
$ hg debugsparse -X excludednomanifest
$ cp ../moreexcluded .hg/dirstate
$ hg manifest
excluded
included
We have files in the dirstate that are included and excluded. Some are in the
manifest and some are not.
$ hg debugdirstate --no-dates
n * excluded (glob)
a * excludednomanifest (glob)
n * included (glob)
a * includedadded (glob)
$ hg debugrebuilddirstate --minimal
$ hg debugdirstate --no-dates
n * included (glob)
a * includedadded (glob)