view mercurial/node.py @ 9632:16698d87ad20

util: use sys.argv[0] if $HG is unset and 'hg' is not in PATH This is necessary when the executable name is not 'hg'. For example, if your system-wide mercurial is name 'hgs', sys.argv[0] is more accurate than 'hg'.
author Nicolas Dumazet <nicdumz.commits@gmail.com>
date Mon, 21 Sep 2009 19:21:32 +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])