def addrevision(
self,
text,
transaction,
linknode,
p1,
p2,
cachedelta=None,
node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS,
sidedata=None,
):
# text passed to "addrevision" includes hg filelog metadata header
if node is None:
node = storageutil.hashrevisionsha1(text, p1, p2)
if sidedata is None:
sidedata = {}
meta, metaoffset = storageutil.parsemeta(text)
rawtext, validatehash = flagutil.processflagswrite(
self, text, flags, sidedata=sidedata
)
return self.addrawrevision(
rawtext,
transaction,
linknode,
p1,
p2,
node,
flags,
cachedelta,
_metatuple=(meta, metaoffset),
)
def filelogaddrevision(orig,
self,
text,
transaction,
link,
p1,
p2,
cachedelta=None,
node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS,
**kwds):
# The matcher isn't available if reposetup() wasn't called.
lfstrack = self._revlog.opener.options.get(b'lfstrack')
if lfstrack:
textlen = len(text)
# exclude hg rename meta from file size
meta, offset = storageutil.parsemeta(text)
if offset:
textlen -= offset
if lfstrack(self._revlog.filename, textlen):
flags |= revlog.REVIDX_EXTSTORED
return orig(self,
text,
transaction,
link,
p1,
p2,
cachedelta=cachedelta,
node=node,
flags=flags,
**kwds)
def writetostore(self, text, sidedata):
# hg filelog metadata (includes rename, etc)
hgmeta, offset = storageutil.parsemeta(text)
if offset and offset > 0:
# lfs blob does not contain hg filelog metadata
text = text[offset:]
# git-lfs only supports sha256
oid = hex(hashlib.sha256(text).digest())
self.opener.lfslocalblobstore.write(oid, text)
# replace contents with metadata
longoid = b'sha256:%s' % oid
metadata = pointer.gitlfspointer(oid=longoid, size=b'%d' % len(text))
# by default, we expect the content to be binary. however, LFS could also
# be used for non-binary content. add a special entry for non-binary data.
# this will be used by filectx.isbinary().
if not stringutil.binary(text):
# not hg filelog metadata (affecting commit hash), no "x-hg-" prefix
metadata[b'x-is-binary'] = b'0'
# translate hg filelog metadata to lfs metadata with "x-hg-" prefix
if hgmeta is not None:
for k, v in pycompat.iteritems(hgmeta):
metadata[b'x-hg-%s' % k] = v
rawtext = metadata.serialize()
return (rawtext, False)
def parsemeta(text):
"""parse mercurial filelog metadata"""
meta, size = storageutil.parsemeta(text)
if text.startswith('\1\n'):
s = text.index('\1\n', 2)
text = text[s + 2:]
return meta or {}, text
def renamed(self, node):
validatenode(node)
if self.parents(node)[0] != nullid:
return False
fulltext = self.revision(node)
m = storageutil.parsemeta(fulltext)[0]
if m and 'copy' in m:
return m['copy'], bin(m['copyrev'])
return False
def addrawrevision(
self,
rawtext,
transaction,
linknode,
p1,
p2,
node,
flags,
cachedelta=None,
_metatuple=None,
):
if _metatuple:
# _metatuple: used by "addrevision" internally by remotefilelog
# meta was parsed confidently
meta, metaoffset = _metatuple
else:
# not from self.addrevision, but something else (repo._filecommit)
# calls addrawrevision directly. remotefilelog needs to get and
# strip filelog metadata.
# we don't have confidence about whether rawtext contains filelog
# metadata or not (flag processor could replace it), so we just
# parse it as best-effort.
# in LFS (flags != 0)'s case, the best way is to call LFS code to
# get the meta information, instead of storageutil.parsemeta.
meta, metaoffset = storageutil.parsemeta(rawtext)
if flags != 0:
# when flags != 0, be conservative and do not mangle rawtext, since
# a read flag processor expects the text not being mangled at all.
metaoffset = 0
if metaoffset:
# remotefilelog fileblob stores copy metadata in its ancestortext,
# not its main blob. so we need to remove filelog metadata
# (containing copy information) from text.
blobtext = rawtext[metaoffset:]
else:
blobtext = rawtext
data = self._createfileblob(
blobtext, meta, flags, p1, p2, node, linknode
)
self.repo.contentstore.addremotefilelognode(self.filename, node, data)
return node
