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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
Pulkit Goyal - - Load All Authors

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test-diff-hashes.t
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Adrian Buehlmann
tests: unify test-diff-hashes
 r12137 $ hg init a
$ cd a
$ hg diff inexistent1 inexistent2
Mads Kiilerich
tests: hide 'No such file or directory' messages...
 r15521 inexistent1: * (glob)
inexistent2: * (glob)
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137
$ echo bar > foo
$ hg add foo
Martin Geisler
tests: remove unneeded -d flags...
 r12156 $ hg ci -m 'add foo'
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137
$ echo foobar > foo
Martin Geisler
tests: remove unneeded -d flags...
 r12156 $ hg ci -m 'change foo'
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137
$ hg --quiet diff -r 0 -r 1
Pulkit Goyal
diff: make sure we output stat even when --git is not passed (issue4037) (BC)...
 r41950 diff -r a99fb63adac3 -r 9b8568d3af2f foo
Martin Geisler
tests: remove unneeded -d flags...
 r12156 --- a/foo Thu Jan 01 00:00:00 1970 +0000
+++ b/foo Thu Jan 01 00:00:00 1970 +0000
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137 @@ -1,1 +1,1 @@
-bar
+foobar
$ hg diff -r 0 -r 1
Martin Geisler
tests: remove unneeded -d flags...
 r12156 diff -r a99fb63adac3 -r 9b8568d3af2f foo
--- a/foo Thu Jan 01 00:00:00 1970 +0000
+++ b/foo Thu Jan 01 00:00:00 1970 +0000
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137 @@ -1,1 +1,1 @@
-bar
+foobar
$ hg --verbose diff -r 0 -r 1
Martin Geisler
tests: remove unneeded -d flags...
 r12156 diff -r a99fb63adac3 -r 9b8568d3af2f foo
--- a/foo Thu Jan 01 00:00:00 1970 +0000
+++ b/foo Thu Jan 01 00:00:00 1970 +0000
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137 @@ -1,1 +1,1 @@
-bar
+foobar
$ hg --debug diff -r 0 -r 1
Martin Geisler
tests: remove unneeded -d flags...
 r12156 diff -r a99fb63adac3f31816a22f665bc3b7a7655b30f4 -r 9b8568d3af2f1749445eef03aede868a6f39f210 foo
--- a/foo Thu Jan 01 00:00:00 1970 +0000
+++ b/foo Thu Jan 01 00:00:00 1970 +0000
Adrian Buehlmann
tests: unify test-diff-hashes
 r12137 @@ -1,1 +1,1 @@
-bar
+foobar
Mads Kiilerich
tests: add missing trailing 'cd ..'...
 r16913 $ cd ..