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view mercurial/node.py @ 20745:5fb7c36d751f

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contrib: added revset performance benchmarking script This script takes two arguments (starting revision, ending revision) and tests for each revision in between the entire list of revsets in the script using perfrevset.
author Lucas Moscovicz <lmoscovicz@fb.com>
date Fri, 14 Mar 2014 11:24:59 -0700
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])