# 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])