Mercurial > hg
annotate mercurial/node.py @ 45083:3a6ec080b521
merge with stable
author | Augie Fackler <augie@google.com> |
---|---|
date | Mon, 13 Jul 2020 13:06:12 -0400 |
parents | 687b865b95ad |
children | 6266d19556ad |
rev | line source |
---|---|
8226
8b2cd04a6e97
put license and copyright info into comment blocks
Martin Geisler <mg@lazybytes.net>
parents:
8225
diff
changeset
|
1 # node.py - basic nodeid manipulation for mercurial |
8b2cd04a6e97
put license and copyright info into comment blocks
Martin Geisler <mg@lazybytes.net>
parents:
8225
diff
changeset
|
2 # |
8b2cd04a6e97
put license and copyright info into comment blocks
Martin Geisler <mg@lazybytes.net>
parents:
8225
diff
changeset
|
3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
8b2cd04a6e97
put license and copyright info into comment blocks
Martin Geisler <mg@lazybytes.net>
parents:
8225
diff
changeset
|
4 # |
8b2cd04a6e97
put license and copyright info into comment blocks
Martin Geisler <mg@lazybytes.net>
parents:
8225
diff
changeset
|
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 |
25962
738314da6c75
node: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25737
diff
changeset
|
8 from __future__ import absolute_import |
738314da6c75
node: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25737
diff
changeset
|
9 |
3877
abaee83ce0a6
Replace demandload with new demandimport
Matt Mackall <mpm@selenic.com>
parents:
3578
diff
changeset
|
10 import binascii |
1089 | 11 |
26980
18f50b8cbf1e
node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents:
25962
diff
changeset
|
12 # This ugly style has a noticeable effect in manifest parsing |
18f50b8cbf1e
node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents:
25962
diff
changeset
|
13 hex = binascii.hexlify |
36238
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
14 # Adapt to Python 3 API changes. If this ends up showing up in |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
15 # profiles, we can use this version only on Python 3, and forward |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
16 # binascii.unhexlify like we used to on Python 2. |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
17 def bin(s): |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
18 try: |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
19 return binascii.unhexlify(s) |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
20 except binascii.Error as e: |
f574cc00831a
node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents:
32684
diff
changeset
|
21 raise TypeError(e) |
26980
18f50b8cbf1e
node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents:
25962
diff
changeset
|
22 |
43075
57875cf423c9
style: run a patched black on a subset of mercurial
Augie Fackler <augie@google.com>
parents:
39195
diff
changeset
|
23 |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
2859
diff
changeset
|
24 nullrev = -1 |
39145
b623c7b23695
nodes: expand/comment the magic nodes so they are more easily searchable
Kyle Lippincott <spectral@google.com>
parents:
37448
diff
changeset
|
25 # In hex, this is '0000000000000000000000000000000000000000' |
28585
a3f3fdac8433
node: use byte literals to construct nullid and wdirid
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26980
diff
changeset
|
26 nullid = b"\0" * 20 |
26980
18f50b8cbf1e
node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents:
25962
diff
changeset
|
27 nullhex = hex(nullid) |
1089 | 28 |
30360
0298a07f64d9
dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents:
28585
diff
changeset
|
29 # Phony node value to stand-in for new files in some uses of |
0298a07f64d9
dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents:
28585
diff
changeset
|
30 # manifests. |
39145
b623c7b23695
nodes: expand/comment the magic nodes so they are more easily searchable
Kyle Lippincott <spectral@google.com>
parents:
37448
diff
changeset
|
31 # In hex, this is '2121212121212121212121212121212121212121' |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43075
diff
changeset
|
32 newnodeid = b'!!!!!!!!!!!!!!!!!!!!' |
39195
1e7a462cb946
node: correct hex representation of pseudo node ids
Yuya Nishihara <yuya@tcha.org>
parents:
39145
diff
changeset
|
33 # In hex, this is '3030303030303030303030303030306164646564' |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43075
diff
changeset
|
34 addednodeid = b'000000000000000added' |
39195
1e7a462cb946
node: correct hex representation of pseudo node ids
Yuya Nishihara <yuya@tcha.org>
parents:
39145
diff
changeset
|
35 # In hex, this is '3030303030303030303030306d6f646966696564' |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43075
diff
changeset
|
36 modifiednodeid = b'000000000000modified' |
30360
0298a07f64d9
dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents:
28585
diff
changeset
|
37 |
37448
d7114f883505
node: rename wdirnodes to clarify they are for manifest/filelogs
Yuya Nishihara <yuya@tcha.org>
parents:
36238
diff
changeset
|
38 wdirfilenodeids = {newnodeid, addednodeid, modifiednodeid} |
30360
0298a07f64d9
dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents:
28585
diff
changeset
|
39 |
25737
1a5211f2f87f
node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents:
10263
diff
changeset
|
40 # pseudo identifiers for working directory |
1a5211f2f87f
node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents:
10263
diff
changeset
|
41 # (they are experimental, so don't add too many dependencies on them) |
43075
57875cf423c9
style: run a patched black on a subset of mercurial
Augie Fackler <augie@google.com>
parents:
39195
diff
changeset
|
42 wdirrev = 0x7FFFFFFF |
39145
b623c7b23695
nodes: expand/comment the magic nodes so they are more easily searchable
Kyle Lippincott <spectral@google.com>
parents:
37448
diff
changeset
|
43 # In hex, this is 'ffffffffffffffffffffffffffffffffffffffff' |
28585
a3f3fdac8433
node: use byte literals to construct nullid and wdirid
Gregory Szorc <gregory.szorc@gmail.com>
parents:
26980
diff
changeset
|
44 wdirid = b"\xff" * 20 |
32684
af854b1b36f8
revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents:
32291
diff
changeset
|
45 wdirhex = hex(wdirid) |
25737
1a5211f2f87f
node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents:
10263
diff
changeset
|
46 |
43075
57875cf423c9
style: run a patched black on a subset of mercurial
Augie Fackler <augie@google.com>
parents:
39195
diff
changeset
|
47 |
1089 | 48 def short(node): |
49 return hex(node[:6]) |