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view mercurial/node.py @ 13789:7e5031180c0f

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transplant: fix crash if filter script munges log file This fixes an UnboundLocalError crash if the filter script removes the 'User' or 'Date' lines from the log file.
author Luke Plant <L.Plant.98@cantab.net>
date Mon, 28 Mar 2011 21:17:32 +0100
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])