Mercurial > hg
view tests/test-merge8.t @ 20713:6a1a4c212d50
revset: improve head revset performance
Previously the head() revset would iterate over every item in the subset and
check if it was a head. Since the subset is often the entire repo, this was
slow on large repos. Now we iterate over each item in the head list and check if
it's in the subset, which results in much less work.
hg log -r 'head()' on a large repo:
Before: 0.95s
After: 0.28s
author | Durham Goode <durham@fb.com> |
---|---|
date | Thu, 13 Mar 2014 13:47:21 -0700 |
parents | f2719b387380 |
children | eb586ed5d8ce |
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Test for changeset ba7c74081861 (update dirstate correctly for non-branchmerge updates) $ hg init a $ cd a $ echo a > a $ hg add a $ hg commit -m a $ cd .. $ hg clone a b updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd a $ hg mv a b $ hg commit -m move $ echo b >> b $ hg commit -m b $ cd ../b $ hg pull ../a pulling from ../a searching for changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 1 files (run 'hg update' to get a working copy) $ hg update 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ cd ..