mercurial/node.py
author Gregory Szorc <gregory.szorc@gmail.com>
Sat, 27 Feb 2016 23:57:07 -0800
changeset 28322 ebd0e86bdf89
parent 26980 18f50b8cbf1e
child 28585 a3f3fdac8433
permissions -rw-r--r--
cmdutil: use absolute_import Now that @command doesn't write back into commands when it is being executed during the loading of commands.py itself, we are unblocked from converting cmdutil to absolute_import.

# 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])