identify: avoid a crash when given '-r wdir()'
The crash was 'NoneType is not subscriptable' in hexfunc(ctx.node()), because
the node for wdir() is None. This can be avoided simply by detecting 'wdir()'
and taking the existing path for no given revision.
# node.py - basic nodeid manipulation for mercurial
#
# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
import binascii
nullrev = -1
nullid = "\0" * 20
# This ugly style has a noticeable effect in manifest parsing
hex = binascii.hexlify
bin = binascii.unhexlify
def short(node):
return hex(node[:6])