annotate mercurial/node.py @ 39583:ee1e74ee037c

formatter: fill missing resources by formatter, not by resource mapper While working on demand loading of ctx/fctx objects, I found it's weird to support lookup in both directions. For instance, fctx can be loaded from (ctx, path) pair, but ctx may also be derived from fctx.changectx() in the original mapping. If the original mapping has had fctx but no ctx, and if the new mapping provides {path}, we can't be sure if fctx should be updated by fctx'.changectx()[path] or not. This patch simply drops the support for the resolution in fctx -> ctx -> repo direction.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 01 Sep 2018 13:21:45 +0900
parents 1e7a462cb946
children 57875cf423c9
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1 # node.py - basic nodeid manipulation for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 import binascii
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12 # This ugly style has a noticeable effect in manifest parsing
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13 hex = binascii.hexlify
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14 # Adapt to Python 3 API changes. If this ends up showing up in
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15 # profiles, we can use this version only on Python 3, and forward
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16 # binascii.unhexlify like we used to on Python 2.
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17 def bin(s):
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18 try:
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19 return binascii.unhexlify(s)
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20 except binascii.Error as e:
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21 raise TypeError(e)
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22
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23 nullrev = -1
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24 # In hex, this is '0000000000000000000000000000000000000000'
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25 nullid = b"\0" * 20
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26 nullhex = hex(nullid)
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28 # Phony node value to stand-in for new files in some uses of
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29 # manifests.
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30 # In hex, this is '2121212121212121212121212121212121212121'
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31 newnodeid = '!!!!!!!!!!!!!!!!!!!!'
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32 # In hex, this is '3030303030303030303030303030306164646564'
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33 addednodeid = '000000000000000added'
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34 # In hex, this is '3030303030303030303030306d6f646966696564'
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35 modifiednodeid = '000000000000modified'
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36
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37 wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid}
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38
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39 # pseudo identifiers for working directory
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40 # (they are experimental, so don't add too many dependencies on them)
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41 wdirrev = 0x7fffffff
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42 # In hex, this is 'ffffffffffffffffffffffffffffffffffffffff'
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43 wdirid = b"\xff" * 20
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44 wdirhex = hex(wdirid)
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45
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46 def short(node):
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47 return hex(node[:6])