Mercurial > hg
view tests/test-histedit-fold-non-commute.t @ 18063:34a1a639d835
revset.children: ignore rev numbers that are too low
This replaces unnecessary parentrevs() calls with calculating min(parentset).
Even though the min operation is O(size of parentset), since parentrevs is
relatively expensive, this tradeoff almost always works in our favour. In a
repository with over 400,000 changesets, hg perfrevset "children(X)" takes:
Set X Before After
-1 0.51s 0.06s
-1000: 0.55s 0.08s
-10000: 0.56s 0.10s
-100000: 0.60s 0.25s
-100000:-99000 0.55s 0.19s
0:100000 0.60s 0.61s
all() 0.72s 0.74s
The relative performance is similar for Mercurial's own repository -- several
times faster in most cases, slightly slower for revisions close to 0 and
all().
author | Siddharth Agarwal <sid0@fb.com> |
---|---|
date | Fri, 07 Dec 2012 10:37:43 -0800 |
parents | d34ba4991188 |
children | 358c23e8f1c6 |
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$ . "$TESTDIR/histedit-helpers.sh" $ cat >> $HGRCPATH <<EOF > [extensions] > graphlog= > histedit= > EOF $ initrepo () > { > hg init $1 > cd $1 > for x in a b c d e f ; do > echo $x$x$x$x$x > $x > hg add $x > done > hg ci -m 'Initial commit' > for x in a b c d e f ; do > echo $x > $x > hg ci -m $x > done > echo 'I can haz no commute' > e > hg ci -m 'does not commute with e' > cd .. > } $ initrepo r $ cd r Initial generation of the command files $ EDITED="$TESTTMP/editedhistory" $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 3 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 4 >> $EDITED $ hg log --template 'fold {node|short} {rev} {desc}\n' -r 7 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED $ cat $EDITED pick 65a9a84f33fd 3 c pick 00f1c5383965 4 d fold 39522b764e3d 7 does not commute with e pick 7b4e2f4b7bcd 5 e pick 500cac37a696 6 f log before edit $ hg log --graph @ changeset: 7:39522b764e3d | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: does not commute with e | o changeset: 6:500cac37a696 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: f | o changeset: 5:7b4e2f4b7bcd | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: e | o changeset: 4:00f1c5383965 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | o changeset: 3:65a9a84f33fd | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 2:da6535b52e45 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 1:c1f09da44841 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: a | o changeset: 0:1715188a53c7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Initial commit edit the history $ HGEDITOR="cat \"$EDITED\" > " hg histedit 3 2>&1 | fixbundle 2 files updated, 0 files merged, 0 files removed, 0 files unresolved merging e warning: conflicts during merge. merging e incomplete! (edit conflicts, then use 'hg resolve --mark') abort: Fix up the change and run hg histedit --continue fix up $ echo 'I can haz no commute' > e $ hg resolve --mark e $ cat > cat.py <<EOF > import sys > print open(sys.argv[1]).read() > print > print > EOF $ HGEDITOR="python cat.py" hg histedit --continue 2>&1 | fixbundle | grep -v '2 files removed' 2 files updated, 0 files merged, 0 files removed, 0 files unresolved d *** does not commute with e 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 d HG: changed e 2 files updated, 0 files merged, 0 files removed, 0 files unresolved 0 files updated, 0 files merged, 0 files removed, 0 files unresolved merging e warning: conflicts during merge. merging e incomplete! (edit conflicts, then use 'hg resolve --mark') abort: Fix up the change and run hg histedit --continue just continue this time $ hg revert -r 'p1()' e $ hg resolve --mark e $ hg histedit --continue 2>&1 | fixbundle 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 log --graph @ changeset: 5:2696a654c663 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: f | o changeset: 4:ec2c1cf833a8 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | o changeset: 3:65a9a84f33fd | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 2:da6535b52e45 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 1:c1f09da44841 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: a | o changeset: 0:1715188a53c7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Initial commit contents of e $ hg cat e I can haz no commute manifest $ hg manifest a b c d e f $ cd ..