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view mercurial/node.py @ 12369:6f0d9d79111f

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merge: delay writing the mergestate during until commit is called This speeds up merges of lots of files considerably.
author Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
date Mon, 06 Sep 2010 17:35:49 +0200
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])