mercurial/node.py
author Kirill Smelkov <kirr@landau.phys.spbu.ru>
Sat, 13 Oct 2007 15:22:03 +0400
changeset 5461 ab4d2e9f3b97
parent 4995 e45fc5d03798
permissions -rw-r--r--
convert: svn -- fix 'exists' Previously 'exists' erroneously returned False for empty dirictories. This is wrong since we want to detect even empty 'branches/' or 'tags/'.

"""
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])