Mercurial > hg
view tests/test-bookmarks-strip.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 | b682997d6944 |
children | ca275f7ec576 |
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$ echo "[extensions]" >> $HGRCPATH $ echo "mq=" >> $HGRCPATH $ hg init $ echo qqq>qqq.txt rollback dry run without rollback information $ hg rollback no rollback information available [1] add file $ hg add adding qqq.txt commit first revision $ hg ci -m 1 set bookmark $ hg book test $ echo www>>qqq.txt commit second revision $ hg ci -m 2 set bookmark $ hg book test2 update to -2 (deactivates the active bookmark) $ hg update -r -2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo eee>>qqq.txt commit new head $ hg ci -m 3 created new head bookmarks updated? $ hg book test 1:25e1ee7a0081 test2 1:25e1ee7a0081 strip to revision 1 $ hg strip 1 saved backup bundle to $TESTTMP/.hg/strip-backup/*-backup.hg (glob) list bookmarks $ hg book test 0:5c9ad3787638 test2 0:5c9ad3787638 immediate rollback and reentrancy issue $ echo "mq=!" >> $HGRCPATH $ hg init repo $ cd repo $ echo a > a $ hg ci -Am adda adding a $ echo b > b $ hg ci -Am addb adding b $ hg bookmarks markb $ hg rollback repository tip rolled back to revision 0 (undo commit) working directory now based on revision 0 are you there? $ hg bookmarks no bookmarks set can we commit? (issue2692) $ echo c > c $ hg ci -Am rockon adding c can you be added again? $ hg bookmarks markb $ hg bookmarks * markb 1:fdb34407462c rollback dry run with rollback information $ hg rollback -n repository tip rolled back to revision 0 (undo commit) $ hg bookmarks * markb 1:fdb34407462c rollback dry run with rollback information and no commit undo $ rm .hg/store/undo $ hg rollback -n no rollback information available [1] $ hg bookmarks * markb 1:fdb34407462c $ cd ..