view mercurial/node.py @ 8877:08636e18268f

extensions: check for path existence only when necessary
author Cédric Duval <cedricduval@free.fr>
date Sun, 21 Jun 2009 17:18:48 +0200
parents 8b2cd04a6e97
children 25e572394f5c
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# 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, incorporated herein by reference.

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])