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view mercurial/node.py @ 8589:3edf133dcb5a

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dirstate: skip step 3 in walk if nothing new will match nothing will ever match on match.never nothing new will match on match.exact (all found in step 1) nothing new will match on match.match when there is no pattern and there is no direcory in pats
author Simon Heimberg <simohe@besonet.ch>
date Thu, 14 May 2009 19:54:26 +0200
parents 8b2cd04a6e97
children 25e572394f5c
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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, 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])