Comments
Patch
@@ -292,16 +292,18 @@ class revlog(object):
% (self.indexfile, flags >> 16))
elif fmt == REVLOGNG and flags & ~REVLOGNG_FLAGS:
raise RevlogError(_("index %s unknown flags %#04x for revlogng")
% (self.indexfile, flags >> 16))
elif fmt > REVLOGNG:
raise RevlogError(_("index %s unknown format %d")
% (self.indexfile, fmt))
+ self._storedeltachains = True
+
self._io = revlogio()
if self.version == REVLOGV0:
self._io = revlogoldio()
try:
d = self._io.parseindex(indexdata, self._inline)
except (ValueError, IndexError):
raise RevlogError(_("index %s is corrupted") % (self.indexfile))
self.index, nodemap, self._chunkcache = d
@@ -1463,17 +1465,17 @@ class revlog(object):
# become comparable to the uncompressed text
if text is None:
textlen = mdiff.patchedsize(self.rawsize(cachedelta[0]),
cachedelta[1])
else:
textlen = len(text)
# should we try to build a delta?
- if prev != nullrev:
+ if prev != nullrev and self._storedeltachains:
tested = set()
if cachedelta and self._generaldelta and self._lazydeltabase:
# Assume what we received from the server is a good choice
# build delta will reuse the cache
candidatedelta = builddelta(cachedelta[0])
tested.add(cachedelta[0])
if self._isgooddelta(candidatedelta, textlen):
delta = candidatedelta