mercurial/node.py
author Wagner Bruna <wbruna@softwareexpress.com.br>
Wed, 31 May 2017 19:24:00 -0300
branchstable
changeset 32574 870248603a4e
parent 30361 1070df141718
child 32291 bd872f64a8ba
permissions -rw-r--r--
bugzilla: fix typo in help text
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
25e572394f5c Update license to GPLv2+
Matt Mackall <mpm@selenic.com>
parents: 8226
diff changeset
     6
# GNU General Public License version 2 or any later version.
1089
142b5d5ec9cc Break apart hg.py
mpm@selenic.com
parents:
diff changeset
     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
142b5d5ec9cc Break apart hg.py
mpm@selenic.com
parents:
diff changeset
    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
18f50b8cbf1e node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents: 25962
diff changeset
    14
bin = binascii.unhexlify
18f50b8cbf1e node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents: 25962
diff changeset
    15
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2859
diff changeset
    16
nullrev = -1
28585
a3f3fdac8433 node: use byte literals to construct nullid and wdirid
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26980
diff changeset
    17
nullid = b"\0" * 20
26980
18f50b8cbf1e node: add 'nullhex', hex-encoded nullid
Siddharth Agarwal <sid0@fb.com>
parents: 25962
diff changeset
    18
nullhex = hex(nullid)
1089
142b5d5ec9cc Break apart hg.py
mpm@selenic.com
parents:
diff changeset
    19
30360
0298a07f64d9 dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 28585
diff changeset
    20
# 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
    21
# manifests.
0298a07f64d9 dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 28585
diff changeset
    22
newnodeid = '!' * 20
30361
1070df141718 dirstate: change added/modified placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 30360
diff changeset
    23
addednodeid = ('0' * 15) + 'added'
1070df141718 dirstate: change added/modified placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 30360
diff changeset
    24
modifiednodeid = ('0' * 12) + 'modified'
30360
0298a07f64d9 dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 28585
diff changeset
    25
30361
1070df141718 dirstate: change added/modified placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 30360
diff changeset
    26
wdirnodes = set((newnodeid, addednodeid, modifiednodeid))
30360
0298a07f64d9 dirstate: change placeholder hash length to 20 bytes
Durham Goode <durham@fb.com>
parents: 28585
diff changeset
    27
25737
1a5211f2f87f node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents: 10263
diff changeset
    28
# pseudo identifiers for working directory
1a5211f2f87f node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents: 10263
diff changeset
    29
# (they are experimental, so don't add too many dependencies on them)
1a5211f2f87f node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents: 10263
diff changeset
    30
wdirrev = 0x7fffffff
28585
a3f3fdac8433 node: use byte literals to construct nullid and wdirid
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26980
diff changeset
    31
wdirid = b"\xff" * 20
25737
1a5211f2f87f node: define experimental identifiers for working directory
Yuya Nishihara <yuya@tcha.org>
parents: 10263
diff changeset
    32
1089
142b5d5ec9cc Break apart hg.py
mpm@selenic.com
parents:
diff changeset
    33
def short(node):
142b5d5ec9cc Break apart hg.py
mpm@selenic.com
parents:
diff changeset
    34
    return hex(node[:6])