findcopies: fix rename bug
We've fiddled with this line several times, and an old bug has
reappeared from it. Let's take a peek at the history.
The original "or" (rev 3674, in 0.9.2 and 0.9.3):
http://www.selenic.com/hg/rev/9103dab96093
Then I changed it to an "and" to fix a bug (rev 4304):
http://www.selenic.com/hg/rev/4787e2b0dd03
Then for reasons now lost in the mists of time, I dropped half (rev 4399):
http://www.selenic.com/hg/rev/93652499bed3
Then we added back the "or" (rev 4416, in 0.9.4):
http://www.selenic.com/hg/rev/bb1800a7d7e1
So it seems it ought to be "and".
# repo.py - repository base classes for mercurial
#
# Copyright 2005, 2006 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 NoCapability(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.'''
if name in self.capabilities:
return True
name_eq = name + '='
for cap in self.capabilities:
if cap.startswith(name_eq):
return cap[len(name_eq):]
return False
def requirecap(self, name, purpose):
'''raise an exception if the given capability is not present'''
if not self.capable(name):
raise NoCapability(_('cannot %s; remote repository does not '
'support the %r capability') %
(purpose, name))