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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-remotefilelog-local.t
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/ tests / test-remotefilelog-local.t
#require no-windows
$ . "$TESTDIR/remotefilelog-library.sh"
$ hg init master
$ cd master
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> server=True
> EOF
$ echo x > x
$ echo y > y
$ echo z > z
$ hg commit -qAm xy
$ cd ..
$ hgcloneshallow ssh://user@dummy/master shallow -q
3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
$ cd shallow
# status
$ clearcache
$ echo xx > x
$ echo yy > y
$ touch a
$ hg status
M x
M y
? a
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ hg add a
$ hg status
M x
M y
A a
# diff
$ hg debugrebuilddirstate # fixes dirstate non-determinism
$ hg add a
$ clearcache
$ hg diff
diff -r f3d0bb0d1e48 x
--- a/x* (glob)
+++ b/x* (glob)
@@ -1,1 +1,1 @@
-x
+xx
diff -r f3d0bb0d1e48 y
--- a/y* (glob)
+++ b/y* (glob)
@@ -1,1 +1,1 @@
-y
+yy
3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
# local commit
$ clearcache
$ echo a > a
$ echo xxx > x
$ echo yyy > y
$ hg commit -m a
? files fetched over 1 fetches - (? misses, 0.00% hit ratio) over *s (glob)
# local commit where the dirstate is clean -- ensure that we do just one fetch
# (update to a commit on the server first)
$ hg --config debug.dirstate.delaywrite=1 up 0
2 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ clearcache
$ hg debugdirstate
n 644 2 * x (glob)
n 644 2 * y (glob)
n 644 2 * z (glob)
$ echo xxxx > x
$ echo yyyy > y
$ hg commit -m x
created new head
2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
# restore state for future tests
$ hg -q strip .
$ hg -q up tip
# rebase
$ clearcache
$ cd ../master
$ echo w > w
$ hg commit -qAm w
$ cd ../shallow
$ hg pull
pulling from ssh://user@dummy/master
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files (+1 heads)
new changesets fed61014d323
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg rebase -d tip
rebasing 1:9abfe7bca547 "a"
saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/9abfe7bca547-8b11e5ff-rebase.hg (glob)
3 files fetched over 2 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
# strip
$ clearcache
$ hg debugrebuilddirstate # fixes dirstate non-determinism
$ hg strip -r .
2 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/shallow/.hg/strip-backup/19edf50f4de7-df3d0f74-backup.hg (glob)
3 files fetched over 2 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
# unbundle
$ clearcache
$ ls -A
.hg
w
x
y
z
$ hg debugrebuilddirstate # fixes dirstate non-determinism
$ hg unbundle .hg/strip-backup/19edf50f4de7-df3d0f74-backup.hg
adding changesets
adding manifests
adding file changes
added 1 changesets with 3 changes to 3 files
new changesets 19edf50f4de7 (1 drafts)
(run 'hg update' to get a working copy)
2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
$ hg up
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ cat a
a
# revert
$ clearcache
$ hg revert -r .~2 y z
no changes needed to z
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ hg checkout -C -r . -q
# explicit bundle should produce full bundle file
$ hg bundle -r 2 --base 1 ../local.bundle
1 changesets found
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ cd ..
$ hgcloneshallow ssh://user@dummy/master shallow2 -q
2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
$ cd shallow2
$ hg unbundle ../local.bundle
adding changesets
adding manifests
adding file changes
added 1 changesets with 3 changes to 3 files
new changesets 19edf50f4de7 (1 drafts)
(run 'hg update' to get a working copy)
$ hg log -r 2 --stat
changeset: 2:19edf50f4de7
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
a | 1 +
x | 2 +-
y | 2 +-
3 files changed, 3 insertions(+), 2 deletions(-)
# Merge
$ echo merge >> w
$ hg commit -m w
created new head
$ hg merge 2
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -m merge
$ hg strip -q -r ".^"
# commit without producing new node
$ cd $TESTTMP
$ hgcloneshallow ssh://user@dummy/master shallow3 -q
$ cd shallow3
$ echo 1 > A
$ hg commit -m foo -A A
$ hg log -r . -T '{node}\n'
383ce605500277f879b7460a16ba620eb6930b7f
$ hg update -r '.^' -q
$ echo 1 > A
$ hg commit -m foo -A A
warning: commit already existed in the repository!
$ hg log -r . -T '{node}\n'
383ce605500277f879b7460a16ba620eb6930b7f