Mercurial > public > mercurial-scm > hg-stable
diff mercurial/localrepo.py @ 9120:d3b995dd4eab
branch heads: optimise computation of branch head cache (issue1734)
The previous branch heads cache implementation iterated all ancestors
for each new revision in the repository, causing a massive slowdown on
cloning larger repositories.
| author | Henrik Stuart <hg@hstuart.dk> |
|---|---|
| date | Mon, 13 Jul 2009 20:19:17 +0200 |
| parents | 0b2b269ba3d0 |
| children | a5c060b80082 1444a42f6052 |
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--- a/mercurial/localrepo.py Sun Jul 12 00:46:43 2009 -0500 +++ b/mercurial/localrepo.py Mon Jul 13 20:19:17 2009 +0200 @@ -473,9 +473,8 @@ latest = newnodes.pop() if latest not in bheads: continue - reachable = set() - for bh in bheads: - reachable |= self.changelog.reachable(latest, bh) + minbhrev = self[min([self[bh].rev() for bh in bheads])].node() + reachable = self.changelog.reachable(latest, minbhrev) bheads = [b for b in bheads if b not in reachable] newbheads.insert(0, latest) bheads.extend(newbheads)