def _processflags(self, text, flags, operation, raw=False):
# mostly copied from hg/mercurial/revlog.py
validatehash = True
orderedflags = revlog.REVIDX_FLAGS_ORDER
if operation == "write":
orderedflags = reversed(orderedflags)
for flag in orderedflags:
if flag & flags:
vhash = True
if flag not in revlog._flagprocessors:
message = _("missing processor for flag '%#x'") % flag
raise revlog.RevlogError(message)
readfunc, writefunc, rawfunc = revlog._flagprocessors[flag]
if raw:
vhash = rawfunc(self, text)
elif operation == "read":
text, vhash = readfunc(self, text)
elif operation == "write":
text, vhash = writefunc(self, text)
validatehash = validatehash and vhash
return text, validatehash
def addrevision(
self,
text,
transaction,
linknode,
p1,
p2,
cachedelta=None,
node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS,
):
# text passed to "addrevision" includes hg filelog metadata header
if node is None:
node = revlog.hash(text, p1, p2)
meta, metaoffset = filelog.parsemeta(text)
rawtext, validatehash = self._processflags(text, flags, "write")
if len(rawtext) > _maxentrysize:
raise revlog.RevlogError(
_("%s: size of %s exceeds maximum size of %s")
% (
self.filename,
util.bytecount(len(rawtext)),
util.bytecount(_maxentrysize),
)
)
return self.addrawrevision(
rawtext,
transaction,
linknode,
p1,
p2,
node,
flags,
cachedelta,
_metatuple=(meta, metaoffset),
)
