hgweb: handle IOErrors and OSErrors during unbundle
This allows the client to display a reasonable message to the user
(e.g. "Permission denied: .hg/lock"), instead of the current
"<url> does not appear to be an hg repository".
# repo.py - repository base classes for mercurial
#
# Copyright 2005 Matt Mackall <mpm@selenic.com>
# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
#
# This software may be used and distributed according to the terms
# of the GNU General Public License, incorporated herein by reference.
class RepoError(Exception):
pass
class LookupError(RepoError):
pass
class repository(object):
def capable(self, name):
'''tell whether repo supports named capability.
return False if not supported.
if boolean capability, return True.
if string capability, return string.'''
name_eq = name + '='
for cap in self.capabilities:
if name == cap:
return True
if cap.startswith(name_eq):
return cap[len(name_eq):]
return False