view mercurial/node.py @ 5651:e11940d84606

patch: avoid file existence tests when possible in selectfile()
author Patrick Mezard <pmezard@gmail.com>
date Mon, 17 Dec 2007 23:06:04 +0100
parents e45fc5d03798
children 46293a0c7e9f
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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, incorporated herein by reference.
"""

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])