Mercurial > hg
annotate mercurial/node.py @ 51630:513597087b89
branching: merge stable into default
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 10 Jun 2024 12:12:56 +0200 |
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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 Olivia Mackall <olivia@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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
1089 | 7 |
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8 |
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9 import binascii |
1089 | 10 |
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11 # This ugly style has a noticeable effect in manifest parsing |
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12 hex = binascii.hexlify |
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13 bin = binascii.unhexlify |
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14 |
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15 |
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16 def short(node): |
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17 return hex(node[:6]) |
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18 |
1089 | 19 |
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20 nullrev = -1 |
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21 |
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22 # pseudo identifier for working directory |
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23 # (experimental, so don't add too many dependencies on it) |
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24 wdirrev = 0x7FFFFFFF |
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26 |
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27 class sha1nodeconstants: |
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28 nodelen = 20 |
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29 |
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30 # In hex, this is '0000000000000000000000000000000000000000' |
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31 nullid = b"\0" * nodelen |
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32 nullhex = hex(nullid) |
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33 |
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34 # Phony node value to stand-in for new files in some uses of |
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35 # manifests. |
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36 # In hex, this is '2121212121212121212121212121212121212121' |
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37 newnodeid = b'!!!!!!!!!!!!!!!!!!!!' |
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38 # In hex, this is '3030303030303030303030303030306164646564' |
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39 addednodeid = b'000000000000000added' |
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40 # In hex, this is '3030303030303030303030306d6f646966696564' |
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41 modifiednodeid = b'000000000000modified' |
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42 |
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43 wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid} |
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44 |
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45 # pseudo identifier for working directory |
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46 # (experimental, so don't add too many dependencies on it) |
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47 # In hex, this is 'ffffffffffffffffffffffffffffffffffffffff' |
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48 wdirid = b"\xff" * nodelen |
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49 wdirhex = hex(wdirid) |
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50 |
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51 |
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52 # legacy starting point for porting modules |
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53 nullid = sha1nodeconstants.nullid |
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54 nullhex = sha1nodeconstants.nullhex |
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55 newnodeid = sha1nodeconstants.newnodeid |
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56 addednodeid = sha1nodeconstants.addednodeid |
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57 modifiednodeid = sha1nodeconstants.modifiednodeid |
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58 wdirfilenodeids = sha1nodeconstants.wdirfilenodeids |
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59 wdirid = sha1nodeconstants.wdirid |
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60 wdirhex = sha1nodeconstants.wdirhex |