Mercurial > public > mercurial-scm > hg-stable
diff mercurial/revlog.py @ 11962:5f7ee3db3dd8
revlog._addrevision(): make the parent of the cached delta explicit
| author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
|---|---|
| date | Wed, 18 Aug 2010 19:45:52 +0200 |
| parents | 927ada259634 |
| children | 7c3aa579d98a |
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--- a/mercurial/revlog.py Thu Aug 19 13:25:46 2010 +0200 +++ b/mercurial/revlog.py Wed Aug 18 19:45:52 2010 +0200 @@ -1142,7 +1142,7 @@ tr.replace(self.indexfile, trindex * self._io.size) self._chunkclear() - def addrevision(self, text, transaction, link, p1, p2, d=None): + def addrevision(self, text, transaction, link, p1, p2, cachedelta=None): """add a revision to the log text - the revision data to add @@ -1156,13 +1156,15 @@ dfh = self.opener(self.datafile, "a") ifh = self.opener(self.indexfile, "a+") try: - return self._addrevision(text, transaction, link, p1, p2, d, ifh, dfh) + return self._addrevision(text, transaction, link, p1, p2, + cachedelta, ifh, dfh) finally: if dfh: dfh.close() ifh.close() - def _addrevision(self, text, transaction, link, p1, p2, d, ifh, dfh): + def _addrevision(self, text, transaction, link, p1, p2, + cachedelta, ifh, dfh): node = hash(text, p1, p2) if node in self.nodemap: return node @@ -1172,8 +1174,14 @@ base = self.base(prev) offset = self.end(prev) flags = 0 + d = None if curr: + # can we use the cached delta? + if cachedelta: + cacherev, d = cachedelta + if cacherev != prev: + d = None if not d: if self._parentdelta: ptext = self.revision(p1)