def revision(self, node):
"""return an uncompressed revision of a given"""
if node == nullid:
return ""
text = None
chain = []
iter_node = node
rev = self.rev(iter_node)
# reconstruct the revision if it is from a changegroup
while self.bundle(rev):
if self._cache and self._cache[0] == iter_node:
text = self._cache[2]
break
chain.append(rev)
iter_node = self.bundlebase(rev)
rev = self.rev(iter_node)
if text is None:
text = revlog.revlog.revision(self, iter_node)
while chain:
delta = self._chunk(chain.pop())
text = mdiff.patches(text, [delta])
p1, p2 = self.parents(node)
if node != revlog.hash(text, p1, p2):
raise error.RevlogError(
_("integrity check failed on %s:%d") %
(self.datafile, self.rev(node)))
self._cache = (node, self.rev(node), text)
return text
def add(self,
manifest,
files,
desc,
transaction,
p1,
p2,
user,
date=None,
extra=None):
# Convert to UTF-8 encoded bytestrings as the very first
# thing: calling any method on a localstr object will turn it
# into a str object and the cached UTF-8 string is thus lost.
user, desc = encoding.fromlocal(user), encoding.fromlocal(desc)
user = user.strip()
# An empty username or a username with a "\n" will make the
# revision text contain two "\n\n" sequences -> corrupt
# repository since read cannot unpack the revision.
if not user:
raise error.RevlogError(_("empty username"))
if "\n" in user:
raise error.RevlogError(
_("username %s contains a newline") % repr(user))
# strip trailing whitespace and leading and trailing empty lines
desc = '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n')
if date:
parseddate = "%d %d" % util.parsedate(date)
else:
parseddate = "%d %d" % util.makedate()
if extra:
branch = extra.get("branch")
if branch in ("default", ""):
del extra["branch"]
elif branch in (".", "null", "tip"):
raise error.RevlogError(
_('the name \'%s\' is reserved') % branch)
if extra:
extra = encodeextra(extra)
parseddate = "%s %s" % (parseddate, extra)
l = [hex(manifest), user, parseddate] + sorted(files) + ["", desc]
text = "\n".join(l)
return self.addrevision(text, transaction, len(self), p1, p2)
def checkforbidden(l):
for f in l:
if '\n' in f or '\r' in f:
raise error.RevlogError(
_("'\\n' and '\\r' disallowed in filenames: %r") % f)
def _checkforbidden(l):
"""Check filenames for illegal characters."""
for f in l:
if '\n' in f or '\r' in f:
raise error.RevlogError(
_("'\\n' and '\\r' disallowed in filenames: %r") % f)
