Mercurial > hg-stable
changeset 12025:2315a95ee887
mdiff.patch(): add a special case for when the base text is empty
remove the special casing from revlog.addgroup()
| author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
|---|---|
| date | Mon, 23 Aug 2010 13:28:04 +0200 |
| parents | 56a7721ee3ec |
| children | e1a3d7ed478e |
| files | mercurial/mdiff.py mercurial/revlog.py |
| diffstat | 2 files changed, 4 insertions(+), 6 deletions(-) [+] |
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--- a/mercurial/mdiff.py Mon Aug 23 13:24:19 2010 +0200 +++ b/mercurial/mdiff.py Mon Aug 23 13:28:04 2010 +0200 @@ -260,6 +260,9 @@ return "".join(t) def patch(a, bin): + if len(a) == 0: + # skip over trivial delta header + return buffer(bin, 12) return mpatch.patches(a, [bin]) # similar to difflib.SequenceMatcher.get_matching_blocks
--- a/mercurial/revlog.py Mon Aug 23 13:24:19 2010 +0200 +++ b/mercurial/revlog.py Mon Aug 23 13:28:04 2010 +0200 @@ -1353,12 +1353,7 @@ dfh.flush() ifh.flush() text = self.revision(chain) - if len(text) == 0: - # skip over trivial delta header - # text == '' in the case of nullrev or punched revision - text = buffer(delta, 12) - else: - text = mdiff.patches(text, [delta]) + text = mdiff.patch(text, delta) del delta chk = self._addrevision(node, text, transaction, link, p1, p2, None, ifh, dfh)