author | Pierre-Yves David <pierre-yves.david@octobus.net> |
Sun, 06 Oct 2019 23:36:51 -0400 | |
changeset 43134 | 75ad8af9c95e |
parent 43077 | 687b865b95ad |
child 46780 | 6266d19556ad |
permissions | -rw-r--r-- |
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# node.py - basic nodeid manipulation for mercurial |
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# |
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# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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from __future__ import absolute_import |
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import binascii |
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# This ugly style has a noticeable effect in manifest parsing |
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hex = binascii.hexlify |
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# Adapt to Python 3 API changes. If this ends up showing up in |
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# profiles, we can use this version only on Python 3, and forward |
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# binascii.unhexlify like we used to on Python 2. |
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def bin(s): |
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try: |
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return binascii.unhexlify(s) |
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except binascii.Error as e: |
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raise TypeError(e) |
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Define and use nullrev (revision of nullid) instead of -1.
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nullrev = -1 |
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# In hex, this is '0000000000000000000000000000000000000000' |
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nullid = b"\0" * 20 |
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nullhex = hex(nullid) |
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# Phony node value to stand-in for new files in some uses of |
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# manifests. |
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# In hex, this is '2121212121212121212121212121212121212121' |
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newnodeid = b'!!!!!!!!!!!!!!!!!!!!' |
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# In hex, this is '3030303030303030303030303030306164646564' |
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addednodeid = b'000000000000000added' |
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# In hex, this is '3030303030303030303030306d6f646966696564' |
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modifiednodeid = b'000000000000modified' |
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wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid} |
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# pseudo identifiers for working directory |
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# (they are experimental, so don't add too many dependencies on them) |
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wdirrev = 0x7FFFFFFF |
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# In hex, this is 'ffffffffffffffffffffffffffffffffffffffff' |
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wdirid = b"\xff" * 20 |
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wdirhex = hex(wdirid) |
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def short(node): |
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return hex(node[:6]) |