revset: remove existence check from min() and max()
min() and max() would first do an existence check. Unfortunately existence
checks can be slow in certain situations (like if the smartset is a list, and
quickly iterable in both ascending and descending directions, then doing an
existence check will start from the bottom, even if you want to check the
max()).
The fix is to not do the check, and just handle the error if it happens. In a
large repo, this speeds up:
hg log -r 'max(parents(. + .^) - (. + .^) & ::master)'
from 3.5s to 0.85s. That revset is contrived and just for testing. In our
real case we used 'bundle()' in place of '. + .^'
Interesting perf numbers for the revset benchmarks:
max(draft() and ::tip) => 0.027s to 0.0005s
max(author(lmoscovicz)) => 2.48s to 0.57s
min doesn't show any perf changes, but changing it as well will prevent a perf
regression in my next patch.
Result from revset benchmark
revset #0: draft() and ::tip
min max
0) 0.001971 0.001991
1) 0.001965 0.000428 21%
revset #1: ::tip and draft()
min max
0) 0.002017 0.001912
1) 0.001896 94% 0.000421 22%
revset #2: author(lmoscovicz)
min max
0) 1.049033 1.358913
1) 1.042508 0.319824 23%
revset #3: author(lmoscovicz) or author(mpm)
min max
0) 1.042512 1.367432
1) 1.019750 0.327750 23%
revset #4: author(mpm) or author(lmoscovicz)
min max
0) 1.050135 0.324924
1) 1.070698 0.319913
revset #5: roots((tip~100::) - (tip~100::tip))
min max
0) 0.000671 0.001018
1) 0.000605 90% 0.000946 92%
revset #6: roots((0::) - (0::tip))
min max
0) 0.149714 0.152369
1) 0.098677 65% 0.100374 65%
revset #7: (20000::) - (20000)
min max
0) 0.051019 0.042747
1) 0.035586 69% 0.016267 38%
Test histedit extension: Fold commands
======================================
This test file is dedicated to testing the fold command in non conflicting
case.
Initialization
---------------
$ . "$TESTDIR/histedit-helpers.sh"
$ cat >> $HGRCPATH <<EOF
> [alias]
> logt = log --template '{rev}:{node|short} {desc|firstline}\n'
> [extensions]
> histedit=
> EOF
Simple folding
--------------------
$ initrepo ()
> {
> hg init r
> cd r
> for x in a b c d e f ; do
> echo $x > $x
> hg add $x
> hg ci -m $x
> done
> }
$ initrepo
log before edit
$ hg logt --graph
@ 5:652413bf663e f
|
o 4:e860deea161a e
|
o 3:055a42cdd887 d
|
o 2:177f92b77385 c
|
o 1:d2ae7f538514 b
|
o 0:cb9a9f314b8b a
$ hg histedit 177f92b77385 --commands - 2>&1 <<EOF | fixbundle
> pick e860deea161a e
> pick 652413bf663e f
> fold 177f92b77385 c
> pick 055a42cdd887 d
> EOF
0 files updated, 0 files merged, 4 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
log after edit
$ hg logt --graph
@ 4:9c277da72c9b d
|
o 3:6de59d13424a f
|
o 2:ee283cb5f2d5 e
|
o 1:d2ae7f538514 b
|
o 0:cb9a9f314b8b a
post-fold manifest
$ hg manifest
a
b
c
d
e
f
check histedit_source
$ hg log --debug --rev 3
changeset: 3:6de59d13424a8a13acd3e975514aed29dd0d9b2d
phase: draft
parent: 2:ee283cb5f2d5955443f23a27b697a04339e9a39a
parent: -1:0000000000000000000000000000000000000000
manifest: 3:81eede616954057198ead0b2c73b41d1f392829a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
files+: c f
extra: branch=default
extra: histedit_source=a4f7421b80f79fcc59fff01bcbf4a53d127dd6d3,177f92b773850b59254aa5e923436f921b55483b
description:
f
***
c
rollup will fold without preserving the folded commit's message
$ OLDHGEDITOR=$HGEDITOR
$ HGEDITOR=false
$ hg histedit d2ae7f538514 --commands - 2>&1 <<EOF | fixbundle
> pick d2ae7f538514 b
> roll ee283cb5f2d5 e
> pick 6de59d13424a f
> pick 9c277da72c9b d
> EOF
0 files updated, 0 files merged, 4 files removed, 0 files unresolved
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ HGEDITOR=$OLDHGEDITOR
log after edit
$ hg logt --graph
@ 3:c4a9eb7989fc d
|
o 2:8e03a72b6f83 f
|
o 1:391ee782c689 b
|
o 0:cb9a9f314b8b a
description is taken from rollup target commit
$ hg log --debug --rev 1
changeset: 1:391ee782c68930be438ccf4c6a403daedbfbffa5
phase: draft
parent: 0:cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
parent: -1:0000000000000000000000000000000000000000
manifest: 1:b5e112a3a8354e269b1524729f0918662d847c38
user: test
date: Thu Jan 01 00:00:00 1970 +0000
files+: b e
extra: branch=default
extra: histedit_source=d2ae7f538514cd87c17547b0de4cea71fe1af9fb,ee283cb5f2d5955443f23a27b697a04339e9a39a
description:
b
check saving last-message.txt
$ cat > $TESTTMP/abortfolding.py <<EOF
> from mercurial import util
> def abortfolding(ui, repo, hooktype, **kwargs):
> ctx = repo[kwargs.get('node')]
> if set(ctx.files()) == set(['c', 'd', 'f']):
> return True # abort folding commit only
> ui.warn('allow non-folding commit\\n')
> EOF
$ cat > .hg/hgrc <<EOF
> [hooks]
> pretxncommit.abortfolding = python:$TESTTMP/abortfolding.py:abortfolding
> EOF
$ cat > $TESTTMP/editor.sh << EOF
> echo "==== before editing"
> cat \$1
> echo "===="
> echo "check saving last-message.txt" >> \$1
> EOF
$ rm -f .hg/last-message.txt
$ hg status --rev '8e03a72b6f83^1::c4a9eb7989fc'
A c
A d
A f
$ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 8e03a72b6f83 --commands - 2>&1 <<EOF
> pick 8e03a72b6f83 f
> fold c4a9eb7989fc d
> EOF
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
adding d
allow non-folding commit
0 files updated, 0 files merged, 3 files removed, 0 files unresolved
==== before editing
f
***
c
***
d
HG: Enter commit message. Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: --
HG: user: test
HG: branch 'default'
HG: added c
HG: added d
HG: added f
====
transaction abort!
rollback completed
abort: pretxncommit.abortfolding hook failed
[255]
$ cat .hg/last-message.txt
f
***
c
***
d
check saving last-message.txt
$ cd ..
$ rm -r r
folding preserves initial author
--------------------------------
$ initrepo
$ hg ci --user "someone else" --amend --quiet
tip before edit
$ hg log --rev .
changeset: 5:a00ad806cb55
tag: tip
user: someone else
date: Thu Jan 01 00:00:00 1970 +0000
summary: f
$ hg histedit e860deea161a --commands - 2>&1 <<EOF | fixbundle
> pick e860deea161a e
> fold a00ad806cb55 f
> EOF
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
tip after edit
$ hg log --rev .
changeset: 4:698d4e8040a1
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
$ cd ..
$ rm -r r
folding and creating no new change doesn't break:
-------------------------------------------------
folded content is dropped during a merge. The folded commit should properly disappear.
$ mkdir fold-to-empty-test
$ cd fold-to-empty-test
$ hg init
$ printf "1\n2\n3\n" > file
$ hg add file
$ hg commit -m '1+2+3'
$ echo 4 >> file
$ hg commit -m '+4'
$ echo 5 >> file
$ hg commit -m '+5'
$ echo 6 >> file
$ hg commit -m '+6'
$ hg logt --graph
@ 3:251d831eeec5 +6
|
o 2:888f9082bf99 +5
|
o 1:617f94f13c0f +4
|
o 0:0189ba417d34 1+2+3
$ hg histedit 1 --commands - << EOF
> pick 617f94f13c0f 1 +4
> drop 888f9082bf99 2 +5
> fold 251d831eeec5 3 +6
> EOF
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging file
warning: conflicts during merge.
merging file incomplete! (edit conflicts, then use 'hg resolve --mark')
Fix up the change and run hg histedit --continue
[1]
There were conflicts, we keep P1 content. This
should effectively drop the changes from +6.
$ hg status
M file
? file.orig
$ hg resolve -l
U file
$ hg revert -r 'p1()' file
$ hg resolve --mark file
(no more unresolved files)
$ hg histedit --continue
251d831eeec5: empty changeset
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/*-backup.hg (glob)
$ hg logt --graph
@ 1:617f94f13c0f +4
|
o 0:0189ba417d34 1+2+3
$ cd ..
Test fold through dropped
-------------------------
Test corner case where folded revision is separated from its parent by a
dropped revision.
$ hg init fold-with-dropped
$ cd fold-with-dropped
$ printf "1\n2\n3\n" > file
$ hg commit -Am '1+2+3'
adding file
$ echo 4 >> file
$ hg commit -m '+4'
$ echo 5 >> file
$ hg commit -m '+5'
$ echo 6 >> file
$ hg commit -m '+6'
$ hg logt -G
@ 3:251d831eeec5 +6
|
o 2:888f9082bf99 +5
|
o 1:617f94f13c0f +4
|
o 0:0189ba417d34 1+2+3
$ hg histedit 1 --commands - << EOF
> pick 617f94f13c0f 1 +4
> drop 888f9082bf99 2 +5
> fold 251d831eeec5 3 +6
> EOF
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging file
warning: conflicts during merge.
merging file incomplete! (edit conflicts, then use 'hg resolve --mark')
Fix up the change and run hg histedit --continue
[1]
$ cat > file << EOF
> 1
> 2
> 3
> 4
> 5
> EOF
$ hg resolve --mark file
(no more unresolved files)
$ hg commit -m '+5.2'
created new head
$ echo 6 >> file
$ HGEDITOR=cat hg histedit --continue
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+4
***
+5.2
***
+6
HG: Enter commit message. Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: --
HG: user: test
HG: branch 'default'
HG: changed file
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/fold-with-dropped/.hg/strip-backup/617f94f13c0f-3d69522c-backup.hg (glob)
$ hg logt -G
@ 1:10c647b2cdd5 +4
|
o 0:0189ba417d34 1+2+3
$ hg export tip
# HG changeset patch
# User test
# Date 0 0
# Thu Jan 01 00:00:00 1970 +0000
# Node ID 10c647b2cdd54db0603ecb99b2ff5ce66d5a5323
# Parent 0189ba417d34df9dda55f88b637dcae9917b5964
+4
***
+5.2
***
+6
diff -r 0189ba417d34 -r 10c647b2cdd5 file
--- a/file Thu Jan 01 00:00:00 1970 +0000
+++ b/file Thu Jan 01 00:00:00 1970 +0000
@@ -1,3 +1,6 @@
1
2
3
+4
+5
+6
$ cd ..
Folding with initial rename (issue3729)
---------------------------------------
$ hg init fold-rename
$ cd fold-rename
$ echo a > a.txt
$ hg add a.txt
$ hg commit -m a
$ hg rename a.txt b.txt
$ hg commit -m rename
$ echo b >> b.txt
$ hg commit -m b
$ hg logt --follow b.txt
2:e0371e0426bc b
1:1c4f440a8085 rename
0:6c795aa153cb a
$ hg histedit 1c4f440a8085 --commands - 2>&1 << EOF | fixbundle
> pick 1c4f440a8085 rename
> fold e0371e0426bc b
> EOF
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
reverting b.txt
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg logt --follow b.txt
1:cf858d235c76 rename
0:6c795aa153cb a
$ cd ..
Folding with swapping
---------------------
This is an excuse to test hook with histedit temporary commit (issue4422)
$ hg init issue4422
$ cd issue4422
$ echo a > a.txt
$ hg add a.txt
$ hg commit -m a
$ echo b > b.txt
$ hg add b.txt
$ hg commit -m b
$ echo c > c.txt
$ hg add c.txt
$ hg commit -m c
$ hg logt
2:a1a953ffb4b0 c
1:199b6bb90248 b
0:6c795aa153cb a
Setup the proper environment variable symbol for the platform, to be subbed
into the hook command.
#if windows
$ NODE="%HG_NODE%"
#else
$ NODE="\$HG_NODE"
#endif
$ hg histedit 6c795aa153cb --config hooks.commit="echo commit $NODE" --commands - 2>&1 << EOF | fixbundle
> pick 199b6bb90248 b
> fold a1a953ffb4b0 c
> pick 6c795aa153cb a
> EOF
0 files updated, 0 files merged, 3 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
commit 9599899f62c05f4377548c32bf1c9f1a39634b0c
$ hg logt
1:9599899f62c0 a
0:79b99e9c8e49 b
$ echo "foo" > amended.txt
$ hg add amended.txt
$ hg ci -q --config extensions.largefiles= --amend -I amended.txt
Test that folding multiple changes in a row doesn't show multiple
editors.
$ echo foo >> foo
$ hg add foo
$ hg ci -m foo1
$ echo foo >> foo
$ hg ci -m foo2
$ echo foo >> foo
$ hg ci -m foo3
$ hg logt
4:21679ff7675c foo3
3:b7389cc4d66e foo2
2:0e01aeef5fa8 foo1
1:578c7455730c a
0:79b99e9c8e49 b
$ cat > $TESTTMP/editor.sh <<EOF
> echo ran editor >> $TESTTMP/editorlog.txt
> cat \$1 >> $TESTTMP/editorlog.txt
> echo END >> $TESTTMP/editorlog.txt
> echo merged foos > \$1
> EOF
$ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 1 --commands - 2>&1 <<EOF | fixbundle
> pick 578c7455730c 1 a
> pick 0e01aeef5fa8 2 foo1
> fold b7389cc4d66e 3 foo2
> fold 21679ff7675c 4 foo3
> EOF
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
reverting foo
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging foo
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg logt
2:e8bedbda72c1 merged foos
1:578c7455730c a
0:79b99e9c8e49 b
Editor should have run only once
$ cat $TESTTMP/editorlog.txt
ran editor
foo1
***
foo2
***
foo3
HG: Enter commit message. Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: --
HG: user: test
HG: branch 'default'
HG: added foo
END
$ cd ..