mercurial/node.py
author Pierre-Yves David <pierre-yves.david@fb.com>
Wed, 03 Feb 2016 15:12:01 +0000
changeset 28030 ca2a0a654f54
parent 26980 18f50b8cbf1e
child 28585 a3f3fdac8433
permissions -rw-r--r--
update: warn about other topological head in pull and unbundle Other commands have a '--update' triggering a bare update. We now issue the message introduced into the previous changeset for these too.

# 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])