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 addrevision(
self,
revisiondata,
transaction,
linkrev,
p1,
p2,
node=None,
flags=0,
cachedelta=None,
):
if flags:
raise SQLiteStoreError(_(b'flags not supported on revisions'))
validatehash = node is not None
node = node or storageutil.hashrevisionsha1(revisiondata, p1, p2)
if validatehash:
self._checkhash(revisiondata, node, p1, p2)
if node in self._nodetorev:
return node
node = self._addrawrevision(
node, revisiondata, transaction, linkrev, p1, p2
)
self._revisioncache[node] = revisiondata
return node
def add(self, text, meta, transaction, linknode, p1=None, p2=None):
# hash with the metadata, like in vanilla filelogs
hashtext = shallowutil.createrevlogtext(
text, meta.get(b'copy'), meta.get(b'copyrev')
)
node = storageutil.hashrevisionsha1(hashtext, p1, p2)
return self.addrevision(
hashtext, transaction, linknode, p1, p2, node=node
)
def addrevision(self, text, transaction, linkrev, p1, p2, node=None,
flags=revlog.REVIDX_DEFAULT_FLAGS, cachedelta=None):
validatenode(p1)
validatenode(p2)
if flags:
node = node or storageutil.hashrevisionsha1(text, p1, p2)
rawtext, validatehash = self._processflags(text, flags, 'write')
node = node or storageutil.hashrevisionsha1(text, p1, p2)
if node in self._indexbynode:
return node
if validatehash:
self.checkhash(rawtext, node, p1=p1, p2=p2)
return self._addrawrevision(node, rawtext, transaction, linkrev, p1, p2,
flags)
def _checkhash(self, fulltext, node, p1=None, p2=None):
if p1 is None and p2 is None:
p1, p2 = self.parents(node)
if node == storageutil.hashrevisionsha1(fulltext, p1, p2):
return
try:
del self._revisioncache[node]
except KeyError:
pass
if storageutil.iscensoredtext(fulltext):
raise error.CensoredNodeError(self._path, node, fulltext)
raise SQLiteStoreError(_(b'integrity check failed on %s') % self._path)
def cmp(self, node, text):
validatenode(node)
t = text
if text.startswith(b'\1\n'):
t = b'\1\n\1\n' + text
p1, p2 = self.parents(node)
if storageutil.hashrevisionsha1(t, p1, p2) == node:
return False
if self.iscensored(self.rev(node)):
return text != b''
if self.renamed(node):
t2 = self.read(node)
return t2 != text
return True
def checkhash(self, text, node, p1=None, p2=None, rev=None):
if p1 is None and p2 is None:
p1, p2 = self.parents(node)
if node != storageutil.hashrevisionsha1(text, p1, p2):
raise simplestoreerror(_("integrity check failed on %s") %
self._path)