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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
Sushil khanchi - - Load All Authors

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r47350:04920025 stable
r50337:81623652 default
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test-diffstat.t
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$ hg init repo
$ cd repo
$ i=0; while [ "$i" -lt 213 ]; do echo a >> a; i=`expr $i + 1`; done
$ hg add a
$ cp a b
$ hg add b
Wide diffstat:
$ hg diff --stat
a | 213 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
b | 213 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 426 insertions(+), 0 deletions(-)
diffstat width:
$ COLUMNS=24 hg diff --config ui.interactive=true --stat
a | 213 ++++++++++++++
b | 213 ++++++++++++++
2 files changed, 426 insertions(+), 0 deletions(-)
$ hg ci -m adda
$ cat >> a <<EOF
> a
> a
> a
> EOF
Narrow diffstat:
$ hg diff --stat
a | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
$ hg ci -m appenda
>>> open("c", "wb").write(b"\0") and None
$ touch d
$ hg add c d
Binary diffstat:
$ hg diff --stat
c | Bin
1 files changed, 0 insertions(+), 0 deletions(-)
Binary git diffstat:
$ hg diff --stat --git
c | Bin
d | 0
2 files changed, 0 insertions(+), 0 deletions(-)
$ hg ci -m createb
>>> open("file with spaces", "wb").write(b"\0") and None
$ hg add "file with spaces"
Filename with spaces diffstat:
$ hg diff --stat
file with spaces | Bin
1 files changed, 0 insertions(+), 0 deletions(-)
Filename with spaces git diffstat:
$ hg diff --stat --git
file with spaces | Bin
1 files changed, 0 insertions(+), 0 deletions(-)
Filename without "a/" or "b/" (issue5759):
$ hg diff --config 'diff.noprefix=1' -c1 --stat --git
a | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
$ hg diff --config 'diff.noprefix=1' -c2 --stat --git
c | Bin
d | 0
2 files changed, 0 insertions(+), 0 deletions(-)
$ hg log --config 'diff.noprefix=1' -r '1:' -p --stat --git
changeset: 1:3a95b07bb77f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: appenda
a | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a a
--- a
+++ a
@@ -211,3 +211,6 @@
a
a
a
+a
+a
+a
changeset: 2:c60a6c753773
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: createb
c | Bin
d | 0
2 files changed, 0 insertions(+), 0 deletions(-)
diff --git c c
new file mode 100644
index 0000000000000000000000000000000000000000..f76dd238ade08917e6712764a16a22005a50573d
GIT binary patch
literal 1
Ic${MZ000310RR91
diff --git d d
new file mode 100644
diffstat within directories:
$ hg rm -f 'file with spaces'
$ mkdir dir1 dir2
$ echo new1 > dir1/new
$ echo new2 > dir2/new
$ hg add dir1/new dir2/new
$ hg diff --stat
dir1/new | 1 +
dir2/new | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
$ hg diff --stat --root dir1
new | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
$ hg diff --stat --root dir1 dir2
warning: dir2 not inside relative root dir1
$ hg diff --stat --root dir1 -I dir1/old
$ cd dir1
$ hg diff --stat .
dir1/new | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
$ hg diff --stat . --config ui.relative-paths=yes
new | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
$ hg diff --stat --root .
new | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
$ hg diff --stat --root . --config ui.relative-paths=yes
new | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
--root trumps ui.relative-paths
$ hg diff --stat --root .. --config ui.relative-paths=yes
new | 1 +
../dir2/new | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
$ hg diff --stat --root ../dir1 ../dir2
warning: ../dir2 not inside relative root .
$ hg diff --stat --root . -I old
$ cd ..
Files with lines beginning with '--' or '++' should be properly counted in diffstat
$ hg up -Cr tip
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ rm dir1/new
$ rm dir2/new
$ rm "file with spaces"
$ cat > file << EOF
> line 1
> line 2
> line 3
> EOF
$ hg commit -Am file
adding file
Lines added starting with '--' should count as additions
$ cat > file << EOF
> line 1
> -- line 2, with dashes
> line 3
> EOF
$ hg diff --root .
diff -r be1569354b24 file
--- a/file Thu Jan 01 00:00:00 1970 +0000
+++ b/file * (glob)
@@ -1,3 +1,3 @@
line 1
-line 2
+-- line 2, with dashes
line 3
$ hg diff --root . --stat
file | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
Lines changed starting with '--' should count as deletions
$ hg commit -m filev2
$ cat > file << EOF
> line 1
> -- line 2, with dashes, changed again
> line 3
> EOF
$ hg diff --root .
diff -r 160f7c034df6 file
--- a/file Thu Jan 01 00:00:00 1970 +0000
+++ b/file * (glob)
@@ -1,3 +1,3 @@
line 1
--- line 2, with dashes
+-- line 2, with dashes, changed again
line 3
$ hg diff --root . --stat
file | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
Lines changed starting with '--' should count as deletions
and starting with '++' should count as additions
$ cat > file << EOF
> line 1
> ++ line 2, switched dashes to plusses
> line 3
> EOF
$ hg diff --root .
diff -r 160f7c034df6 file
--- a/file Thu Jan 01 00:00:00 1970 +0000
+++ b/file * (glob)
@@ -1,3 +1,3 @@
line 1
--- line 2, with dashes
+++ line 2, switched dashes to plusses
line 3
$ hg diff --root . --stat
file | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
When a file is renamed, --git shouldn't loss the info about old file
$ hg init issue6025
$ cd issue6025
$ echo > a
$ hg ci -Am 'add a'
adding a
$ hg mv a b
$ hg diff --git
diff --git a/a b/b
rename from a
rename to b
$ hg diff --stat
a | 1 -
b | 1 +
2 files changed, 1 insertions(+), 1 deletions(-)
$ hg diff --stat --git
a => b | 0
1 files changed, 0 insertions(+), 0 deletions(-)
-- filename may contain whitespaces
$ echo > c
$ hg ci -Am 'add c'
adding c
$ hg mv c 'new c'
$ hg diff --git
diff --git a/c b/new c
rename from c
rename to new c
$ hg diff --stat
c | 1 -
new c | 1 +
2 files changed, 1 insertions(+), 1 deletions(-)
$ hg diff --stat --git
c => new c | 0
1 files changed, 0 insertions(+), 0 deletions(-)
Make sure `diff --stat -q --config diff.git-0` shows stat (issue4037)
$ hg status
A new c
R c
$ hg diff --stat -q
c | 1 -
new c | 1 +
2 files changed, 1 insertions(+), 1 deletions(-)