Mercurial > hg
view mercurial/node.py @ 48059:5d68c4eedd66
dirstate: move parent state handling in the dirstatemap
This involves dirstatemap data mostly. Moving this one level down will remove
the needs for the dirstatemap to expose some of its internals.
This will help us to simplify more code further.
Differential Revision: https://phab.mercurial-scm.org/D11505
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 22 Sep 2021 15:17:12 +0200 |
parents | d4ba4d51f85f |
children | 6000f5b25c9b |
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# node.py - basic nodeid manipulation for mercurial # # Copyright 2005, 2006 Olivia Mackall <olivia@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 # Adapt to Python 3 API changes. If this ends up showing up in # profiles, we can use this version only on Python 3, and forward # binascii.unhexlify like we used to on Python 2. def bin(s): try: return binascii.unhexlify(s) except binascii.Error as e: raise TypeError(e) def short(node): return hex(node[:6]) nullrev = -1 # pseudo identifier for working directory # (experimental, so don't add too many dependencies on it) wdirrev = 0x7FFFFFFF class sha1nodeconstants(object): nodelen = 20 # In hex, this is '0000000000000000000000000000000000000000' nullid = b"\0" * nodelen nullhex = hex(nullid) # Phony node value to stand-in for new files in some uses of # manifests. # In hex, this is '2121212121212121212121212121212121212121' newnodeid = b'!!!!!!!!!!!!!!!!!!!!' # In hex, this is '3030303030303030303030303030306164646564' addednodeid = b'000000000000000added' # In hex, this is '3030303030303030303030306d6f646966696564' modifiednodeid = b'000000000000modified' wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid} # pseudo identifier for working directory # (experimental, so don't add too many dependencies on it) # In hex, this is 'ffffffffffffffffffffffffffffffffffffffff' wdirid = b"\xff" * nodelen wdirhex = hex(wdirid) # legacy starting point for porting modules nullid = sha1nodeconstants.nullid nullhex = sha1nodeconstants.nullhex newnodeid = sha1nodeconstants.newnodeid addednodeid = sha1nodeconstants.addednodeid modifiednodeid = sha1nodeconstants.modifiednodeid wdirfilenodeids = sha1nodeconstants.wdirfilenodeids wdirid = sha1nodeconstants.wdirid wdirhex = sha1nodeconstants.wdirhex