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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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r46520:122f0b59 default
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test-bookflow.t
292 lines | 7.9 KiB | text/troff | Tads3Lexer
bookflow: new extension for bookmark-based branching...
r40869 initialize
$ make_changes() {
> d=`pwd`
> [ ! -z $1 ] && cd $1
> echo "test `basename \`pwd\``" >> test
> hg commit -Am"${2:-test}"
> r=$?
> cd $d
> return $r
> }
$ ls -1a
.
..
$ hg init a
$ cd a
$ echo 'test' > test; hg commit -Am'test'
adding test
clone to b
$ mkdir ../b
$ cd ../b
$ hg clone ../a .
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo "[extensions]" >> .hg/hgrc
$ echo "bookflow=" >> .hg/hgrc
$ hg branch X
abort: creating named branches is disabled and you should use bookmarks
(see 'hg help bookflow')
[255]
$ hg bookmark X
$ hg bookmarks
* X 0:* (glob)
$ hg bookmark X
abort: bookmark X already exists, to move use the --rev option
[255]
$ make_changes
$ hg push ../a -q
$ hg bookmarks
\* X 1:* (glob)
change a
$ cd ../a
$ hg up
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo 'test' >> test; hg commit -Am'test'
pull in b
$ cd ../b
$ hg pull -u
pulling from $TESTTMP/a
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
new changesets * (glob)
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(leaving bookmark X)
$ hg status
$ hg bookmarks
X 1:* (glob)
check protection of @ bookmark
$ hg bookmark @
$ hg bookmarks
\* @ 2:* (glob)
X 1:* (glob)
$ make_changes
abort: cannot commit, bookmark @ is protected
[255]
$ hg status
M test
$ hg bookmarks
\* @ 2:* (glob)
X 1:* (glob)
$ hg --config bookflow.protect= commit -Am"Updated test"
$ hg bookmarks
\* @ 3:* (glob)
X 1:* (glob)
check requirement for an active bookmark
$ hg bookmark -i
$ hg bookmarks
@ 3:* (glob)
X 1:* (glob)
$ make_changes
abort: cannot commit without an active bookmark
[255]
$ hg revert test
$ rm test.orig
$ hg status
make the bookmark move by updating it on a, and then pulling
# add a commit to a
$ cd ../a
$ hg bookmark X
$ hg bookmarks
\* X 2:* (glob)
$ make_changes
$ hg bookmarks
* X 3:81af7977fdb9
# go back to b, and check out X
$ cd ../b
$ hg up X
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(activating bookmark X)
$ hg bookmarks
@ 3:* (glob)
\* X 1:* (glob)
# pull, this should move the bookmark forward, because it was changed remotely
$ hg pull -u | grep "updating to active bookmark X"
updating to active bookmark X
$ hg bookmarks
@ 3:* (glob)
* X 4:81af7977fdb9
the bookmark should not move if it diverged from remote
$ hg -R ../a status
$ hg -R ../b status
$ make_changes ../a
$ make_changes ../b
$ hg -R ../a status
$ hg -R ../b status
$ hg -R ../a bookmarks
* X 4:238292f60a57
$ hg -R ../b bookmarks
@ 3:* (glob)
* X 5:096f7e86892d
$ cd ../b
$ # make sure we cannot push after bookmarks diverged
$ hg push -B X | grep abort
Martin von Zweigbergk
errors: remove trailing "!" in messages about creating new heads on push...
r46520 abort: push creates new remote head * with bookmark 'X' (glob)
bookflow: new extension for bookmark-based branching...
r40869 (pull and merge or see 'hg help push' for details about pushing new heads)
[1]
$ hg pull -u | grep divergent
divergent bookmark X stored as X@default
1 other divergent bookmarks for "X"
$ hg bookmarks
@ 3:* (glob)
* X 5:096f7e86892d
X@default 6:238292f60a57
$ hg id -in
096f7e86892d 5
$ make_changes
$ hg status
$ hg bookmarks
@ 3:* (glob)
* X 7:227f941aeb07
X@default 6:238292f60a57
now merge with the remote bookmark
$ hg merge X@default --tool :local -q
$ hg status
M test
$ hg commit -m"Merged with X@default"
$ hg bookmarks
@ 3:* (glob)
* X 8:26fed9bb3219
$ hg push -B X | grep bookmark
pushing to $TESTTMP/a (?)
updating bookmark X
$ cd ../a
$ hg up -q
$ hg bookmarks
* X 7:26fed9bb3219
test hg pull when there is more than one descendant
$ cd ../a
$ hg bookmark Z
$ hg bookmark Y
$ make_changes . YY
$ hg up Z -q
$ make_changes . ZZ
created new head
$ hg bookmarks
X 7:26fed9bb3219
Y 8:131e663dbd2a
* Z 9:b74a4149df25
$ hg log -r 'p1(Y)' -r 'p1(Z)' -T '{rev}\n' # prove that Y and Z share the same parent
7
$ hg log -r 'Y%Z' -T '{rev}\n' # revs in Y but not in Z
8
$ hg log -r 'Z%Y' -T '{rev}\n' # revs in Z but not in Y
9
$ cd ../b
$ hg pull -uq
$ hg id
b74a4149df25 tip Z
$ hg bookmarks | grep \* # no active bookmark
[1]
test shelving
$ cd ../a
$ echo anotherfile > anotherfile # this change should not conflict
$ hg add anotherfile
$ hg commit -m"Change in a"
$ cd ../b
$ hg up Z | grep Z
(activating bookmark Z)
$ hg book | grep \* # make sure active bookmark
\* Z 10:* (glob)
$ echo "test b" >> test
$ hg diff --stat
test | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
Navaneeth Suresh
shelve: move shelve extension to core...
r42744 $ hg shelve
bookflow: new extension for bookmark-based branching...
r40869 shelved as Z
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg pull -uq
Navaneeth Suresh
shelve: move shelve extension to core...
r42744 $ hg unshelve
bookflow: new extension for bookmark-based branching...
r40869 unshelving change 'Z'
rebasing shelved changes
$ hg diff --stat
test | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
make the bookmark move by updating it on a, and then pulling with a local change
# add a commit to a
$ cd ../a
$ hg up -C X |fgrep "activating bookmark X"
(activating bookmark X)
# go back to b, and check out X
$ cd ../b
$ hg up -C X |fgrep "activating bookmark X"
(activating bookmark X)
# update and push from a
$ make_changes ../a
created new head
$ echo "more" >> test
$ hg pull -u 2>&1 | fgrep -v TESTTMP| fgrep -v "searching for changes" | fgrep -v adding
pulling from $TESTTMP/a
changegroup: move message about added changes to transaction summary...
r43167 updating bookmark X
bookflow: new extension for bookmark-based branching...
r40869 added 1 changesets with 0 changes to 0 files (+1 heads)
new changesets * (glob)
updating to active bookmark X
merging test
warning: conflicts while merging test! (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
$ hg update -Cq
$ rm test.orig
make sure that commits aren't possible if working directory is not pointing to active bookmark
$ hg -R ../a status
$ hg -R ../b status
$ hg -R ../a id -i
36a6e592ec06
$ hg -R ../a book | grep X
\* X \d+:36a6e592ec06 (re)
$ hg -R ../b id -i
36a6e592ec06
$ hg -R ../b book | grep X
\* X \d+:36a6e592ec06 (re)
$ make_changes ../a
$ hg -R ../a book | grep X
\* X \d+:f73a71c992b8 (re)
$ cd ../b
$ hg pull 2>&1 | grep -v add | grep -v pulling | grep -v searching | grep -v changeset
updating bookmark X
(run 'hg update' to get a working copy)
working directory out of sync with active bookmark, run 'hg up X'
$ hg id -i # we're still on the old commit
36a6e592ec06
$ hg book | grep X # while the bookmark moved
\* X \d+:f73a71c992b8 (re)
$ make_changes
abort: cannot commit, working directory out of sync with active bookmark
(run 'hg up X')
[255]
$ hg up -Cq -r . # cleanup local changes
$ hg status
$ hg id -i # we're still on the old commit
36a6e592ec06
$ hg up X -q
$ hg id -i # now we're on X
f73a71c992b8
$ hg book | grep X
\* X \d+:f73a71c992b8 (re)