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view mercurial/node.py @ 35959:9724f54923ec

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chg: enable clang-format on all .c and .h files Nothing in here looks awful, so I think we may as well just do it. # skip-blame because it's just reformatting with no functionality change Differential Revision: https://phab.mercurial-scm.org/D2058
author Augie Fackler <augie@google.com>
date Tue, 06 Feb 2018 05:24:28 -0500
parents af854b1b36f8
children f574cc00831a
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# 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)

# Phony node value to stand-in for new files in some uses of
# manifests.
newnodeid = '!' * 20
addednodeid = ('0' * 15) + 'added'
modifiednodeid = ('0' * 12) + 'modified'

wdirnodes = {newnodeid, addednodeid, modifiednodeid}

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

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