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view mercurial/node.py @ 13565:984175605311 stable

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filemerge: introduce a 'regkeyalt' merge tool variable This allows us to provide alternate search keys for 64bit operating systems that may have 32bit merge tools installed. Presumably it may find other uses.
author Steve Borho <steve@borho.org>
date Tue, 08 Mar 2011 13:05:18 -0600
parents 25e572394f5c
children 1a5211f2f87f
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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 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])