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view mercurial/node.py @ 17471:ad1561723dde

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amend: lock the repository during the whole process Without this changes another writer can lock the repository in the middle the amend process. The resulting mess can be pretty ugly.
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Sat, 25 Aug 2012 15:37:28 +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])