mercurial/node.py
author Bryan O'Sullivan <bryano@fb.com>
Tue, 08 May 2012 14:46:04 -0700
branchstable
changeset 16641 e6dfbc5df76f
parent 10263 25e572394f5c
child 25737 1a5211f2f87f
permissions -rw-r--r--
parsers: use the correct maximum radix tree depth Previously, we would not use more than half of a SHA-1 hash when constructing and searching the tree.

# 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.

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])