view mercurial/node.py @ 14723:b9faf94ee196 stable

revset: fix aliases with 0 or more than 2 parameters

The existing code seemed to have incorrect assumptions about how parameter
lists are represented by the parser.

Now the match and replace functions have been merged and simplified by using
getlist().

# node.py - basic nodeid manipulation for mercurial
#
# Copyright 2005, 2006 Matt Mackall <[e-mail]>
#
# 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])