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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
Mads Kiilerich - - Load All Authors

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test-mq-git.t
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# Test the plumbing of mq.git option
# Automatic upgrade itself is tested elsewhere.
$ cat <<EOF >> $HGRCPATH
> [extensions]
> mq =
> [diff]
> nodates = 1
> EOF
$ hg init repo-auto
$ cd repo-auto
git=auto: regular patch creation:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f adda
$ cat .hg/patches/adda
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff -r 000000000000 -r ef8dafc9fa4c a
--- /dev/null
+++ b/a
@@ -0,0 +1,1 @@
+a
git=auto: git patch creation with copy:
$ hg cp a b
$ hg qnew -d '0 0' -f copy
$ cat .hg/patches/copy
# HG changeset patch
# Date 0 0
# Parent ef8dafc9fa4caff80f6e243eb0171bcd60c455b4
diff --git a/a b/b
copy from a
copy to b
git=auto: git patch when using --git:
$ echo regular > regular
$ hg add regular
$ hg qnew -d '0 0' --git -f git
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 99586d5f048c399e20f81cee41fbb3809c0e735d
diff --git a/regular b/regular
new file mode 100644
--- /dev/null
+++ b/regular
@@ -0,0 +1,1 @@
+regular
git=auto: regular patch after qrefresh without --git:
$ hg qrefresh -d '0 0'
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 99586d5f048c399e20f81cee41fbb3809c0e735d
diff -r 99586d5f048c regular
--- /dev/null
+++ b/regular
@@ -0,0 +1,1 @@
+regular
$ cd ..
$ hg init repo-keep
$ cd repo-keep
$ echo '[mq]' > .hg/hgrc
$ echo 'git = KEEP' >> .hg/hgrc
git=keep: git patch with --git:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f --git git
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,1 @@
+a
git=keep: git patch after qrefresh without --git:
$ echo a >> a
$ hg qrefresh -d '0 0'
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,2 @@
+a
+a
$ cd ..
$ hg init repo-yes
$ cd repo-yes
$ echo '[mq]' > .hg/hgrc
$ echo 'git = yes' >> .hg/hgrc
git=yes: git patch:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f git
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,1 @@
+a
git=yes: git patch after qrefresh:
$ echo a >> a
$ hg qrefresh -d '0 0'
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,2 @@
+a
+a
$ cd ..
$ hg init repo-no
$ cd repo-no
$ echo '[diff]' > .hg/hgrc
$ echo 'git = True' >> .hg/hgrc
$ echo '[mq]' > .hg/hgrc
$ echo 'git = False' >> .hg/hgrc
git=no: regular patch with copy:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f adda
$ hg cp a b
$ hg qnew -d '0 0' -f regular
$ cat .hg/patches/regular
# HG changeset patch
# Date 0 0
# Parent ef8dafc9fa4caff80f6e243eb0171bcd60c455b4
diff -r ef8dafc9fa4c -r a70404f79ba3 b
--- /dev/null
+++ b/b
@@ -0,0 +1,1 @@
+a
git=no: regular patch after qrefresh with copy:
$ hg cp a c
$ hg qrefresh -d '0 0'
$ cat .hg/patches/regular
# HG changeset patch
# Date 0 0
# Parent ef8dafc9fa4caff80f6e243eb0171bcd60c455b4
diff -r ef8dafc9fa4c b
--- /dev/null
+++ b/b
@@ -0,0 +1,1 @@
+a
diff -r ef8dafc9fa4c c
--- /dev/null
+++ b/c
@@ -0,0 +1,1 @@
+a
Test how [diff] configuration influence and cause invalid or lossy patches:
$ cat <<EOF >> .hg/hgrc
> [mq]
> git = AUTO
> [diff]
> nobinary = True
> noprefix = True
> showfunc = True
> ignorews = True
> ignorewsamount = True
> ignoreblanklines = True
> unified = 1
> EOF
$ echo ' a' > a
$ hg qnew prepare -d '0 0'
$ echo ' a' > a
$ printf '\0' > b
$ echo >> c
$ hg qnew diff -d '0 0'
$ cat .hg/patches/prepare
# HG changeset patch
# Date 0 0
# Parent cf0bfe72686a47d8d7d7b4529a3adb8b0b449a9f
diff -r cf0bfe72686a -r fb9c4422b0f3 a
--- a/a
+++ b/a
@@ -1,1 +1,1 @@
-a
+ a
$ cat .hg/patches/diff
# HG changeset patch
# Date 0 0
# Parent fb9c4422b0f37dd576522dd9a3f99b825c177efe
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,1 +1,1 @@
- a
+ a
diff --git a/b b/b
index 78981922613b2afb6025042ff6bd878ac1994e85..f76dd238ade08917e6712764a16a22005a50573d
GIT binary patch
literal 1
Ic${MZ000310RR91
diff --git a/c b/c
--- a/c
+++ b/c
@@ -1,1 +1,2 @@
a
+
$ cd ..