mercurial/node.py
author Augie Fackler <augie@google.com>
Sat, 08 Oct 2016 08:36:39 -0400
changeset 30087 9b230a8e6008
parent 28585 a3f3fdac8433
child 30360 0298a07f64d9
permissions -rw-r--r--
util: ensure forwarded attrs are set in globals() as sysstr Custom module importer strikes again.

# 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 = b"\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 = b"\xff" * 20

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