view mercurial/node.py @ 28359:f6b5b041c6c9

commit: block amend while histedit is in progress (issue4800)
author timeless <timeless@mozdev.org>
date Sun, 14 Feb 2016 07:35:50 +0000
parents 18f50b8cbf1e
children a3f3fdac8433
line wrap: on
line source

# 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.

from __future__ import absolute_import

import binascii

# This ugly style has a noticeable effect in manifest parsing
hex = binascii.hexlify
bin = binascii.unhexlify

nullrev = -1
nullid = "\0" * 20
nullhex = hex(nullid)

# pseudo identifiers for working directory
# (they are experimental, so don't add too many dependencies on them)
wdirrev = 0x7fffffff
wdirid = "\xff" * 20

def short(node):
    return hex(node[:6])