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view mercurial/node.py @ 18411:8b0f0dd56cec

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bundlerepo: improve performance for bundle() revset expression Create the set of revision numbers directly instead of creating a list of nodes first.
author Mads Kiilerich <madski@unity3d.com>
date Wed, 16 Jan 2013 20:41:34 +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])