mercurial-scm/hg-stable: mercurial/revlog.py annotate

annotate mercurial/revlog.py @ 43077:687b865b95ad

formatting: byteify all mercurial/ and hgext/ string literals Done with python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py') black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**') # skip-blame mass-reformatting only Differential Revision: https://phab.mercurial-scm.org/D6972

author	Augie Fackler <augie@google.com>
date	Sun, 06 Oct 2019 09:48:39 -0400
parents	2372284d9457
children	c59eb1560c44

rev	line source
8226 8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	1 # revlog.py - storage back-end 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 2005-2007 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: 10047 diff changeset	6 # GNU General Public License version 2 or any later version.
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	7
8227 0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	8 """Storage back-end for Mercurial.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	9
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	10 This provides efficient delta storage with O(1) retrieve and append
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	11 and O(changes) merge between branches.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	12 """
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	13
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	14 from __future__ import absolute_import
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	15
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	16 import collections
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	17 import contextlib
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	18 import errno
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42478 diff changeset	19 import io
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	20 import os
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	21 import struct
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	22 import zlib
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	23
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	24 # import stuff from node for others to import from revlog
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	25 from .node import (
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	26 bin,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	27 hex,
39224 5517d62c1bcc revlog: fix pure version of _partialmatch() to include nullid Martin von Zweigbergk <martinvonz@google.com> parents: 39190 diff changeset	28 nullhex,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	29 nullid,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	30 nullrev,
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	31 short,
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	32 wdirfilenodeids,
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	33 wdirhex,
32679 7b17f9de6d3e revlog: map rev(wdirid) to WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 32481 diff changeset	34 wdirid,
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	35 wdirrev,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	36 )
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	37 from .i18n import _
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	38 from .revlogutils.constants import (
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	39 FLAG_GENERALDELTA,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	40 FLAG_INLINE_DATA,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	41 REVLOGV0,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	42 REVLOGV1,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	43 REVLOGV1_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	44 REVLOGV2,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	45 REVLOGV2_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	46 REVLOG_DEFAULT_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	47 REVLOG_DEFAULT_FORMAT,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	48 REVLOG_DEFAULT_VERSION,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	49 )
42745 ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	50 from .revlogutils.flagutil import (
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	51 REVIDX_DEFAULT_FLAGS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	52 REVIDX_ELLIPSIS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	53 REVIDX_EXTSTORED,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	54 REVIDX_FLAGS_ORDER,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	55 REVIDX_ISCENSORED,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	56 REVIDX_RAWTEXT_CHANGING_FLAGS,
43037 142deb539ccf sidedata: register the flag processors if the repository allows for it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43034 diff changeset	57 REVIDX_SIDEDATA,
42745 ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	58 )
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	59 from .thirdparty import attr
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	60 from . import (
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	61 ancestor,
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	62 dagop,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	63 error,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	64 mdiff,
32411 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32355 diff changeset	65 policy,
31580 a8e55d6f1d67 revlog: use pycompat.maplist to eagerly evaluate map on Python 3 Augie Fackler <augie@google.com> parents: 31511 diff changeset	66 pycompat,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	67 templatefilters,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	68 util,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	69 )
42823 268662aac075 interfaces: create a new folder for interfaces and move repository.py in it Pulkit Goyal <pulkit@yandex-team.ru> parents: 42808 diff changeset	70 from .interfaces import (
268662aac075 interfaces: create a new folder for interfaces and move repository.py in it Pulkit Goyal <pulkit@yandex-team.ru> parents: 42808 diff changeset	71 repository,
42824 2c4f656c8e9f interfaceutil: move to interfaces/ Pulkit Goyal <pulkit@yandex-team.ru> parents: 42823 diff changeset	72 util as interfaceutil,
42823 268662aac075 interfaces: create a new folder for interfaces and move repository.py in it Pulkit Goyal <pulkit@yandex-team.ru> parents: 42808 diff changeset	73 )
39357 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	74 from .revlogutils import (
655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	75 deltas as deltautil,
42746 05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42745 diff changeset	76 flagutil,
43037 142deb539ccf sidedata: register the flag processors if the repository allows for it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43034 diff changeset	77 sidedata as sidedatautil,
39357 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	78 )
37087 f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36768 diff changeset	79 from .utils import (
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	80 storageutil,
37087 f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36768 diff changeset	81 stringutil,
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36768 diff changeset	82 )
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	83
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	84 # blanked usage of all the name to prevent pyflakes constraints
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	85 # We need these name available in the module for extensions.
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	86 REVLOGV0
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	87 REVLOGV1
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	88 REVLOGV2
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	89 FLAG_INLINE_DATA
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	90 FLAG_GENERALDELTA
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	91 REVLOG_DEFAULT_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	92 REVLOG_DEFAULT_FORMAT
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	93 REVLOG_DEFAULT_VERSION
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	94 REVLOGV1_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	95 REVLOGV2_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	96 REVIDX_ISCENSORED
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	97 REVIDX_ELLIPSIS
43037 142deb539ccf sidedata: register the flag processors if the repository allows for it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43034 diff changeset	98 REVIDX_SIDEDATA
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	99 REVIDX_EXTSTORED
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	100 REVIDX_DEFAULT_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	101 REVIDX_FLAGS_ORDER
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	102 REVIDX_RAWTEXT_CHANGING_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	103
32411 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32355 diff changeset	104 parsers = policy.importmod(r'parsers')
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	105 rustancestor = policy.importrust(r'ancestor')
a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	106 rustdagop = policy.importrust(r'dagop')
32411 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32355 diff changeset	107
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	108 # Aliased for performance.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	109 _zlibdecompress = zlib.decompress
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	110
10916 9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	111 # max size of revlog with inline data
9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	112 _maxinline = 131072
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	113 _chunksize = 1048576
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	114
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	115 # Flag processors for REVIDX_ELLIPSIS.
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	116 def ellipsisreadprocessor(rl, text):
42987 bd5858c28bbe flagprocessors: have the read transform function return side data (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42985 diff changeset	117 return text, False, {}
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	118
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	119
42990 f4caf910669e flagprocessors: writetransform function take side data as parameter (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42989 diff changeset	120 def ellipsiswriteprocessor(rl, text, sidedata):
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	121 return text, False
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	122
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	123
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	124 def ellipsisrawprocessor(rl, text):
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	125 return False
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	126
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	127
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	128 ellipsisprocessor = (
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	129 ellipsisreadprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	130 ellipsiswriteprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	131 ellipsisrawprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	132 )
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	133
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	134
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	135 def getoffset(q):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	136 return int(q >> 16)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	137
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	138
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	139 def gettype(q):
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	140 return int(q & 0xFFFF)
8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	141
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	142
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	143 def offset_type(offset, type):
42747 92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42746 diff changeset	144 if (type & ~flagutil.REVIDX_KNOWN_FLAGS) != 0:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	145 raise ValueError(b'unknown revlog index flags')
31511 73aa13bc8dac revlog: use int instead of long Augie Fackler <augie@google.com> parents: 31378 diff changeset	146 return int(int(offset) << 16 \| type)
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	147
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	148
35641 c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	149 @attr.s(slots=True, frozen=True)
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	150 class _revisioninfo(object):
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	151 """Information about a revision that allows building its fulltext
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	152 node: expected hash of the revision
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	153 p1, p2: parent revs of the revision
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	154 btext: built text cache consisting of a one-element list
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	155 cachedelta: (baserev, uncompressed_delta) or None
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	156 flags: flags associated to the revision storage
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	157
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	158 One of btext[0] or cachedelta must be set.
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	159 """
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	160
35641 c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	161 node = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	162 p1 = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	163 p2 = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	164 btext = attr.ib()
35737 d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision Paul Morelle <paul.morelle@octobus.net> parents: 35641 diff changeset	165 textlen = attr.ib()
35641 c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	166 cachedelta = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	167 flags = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	168
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	169
39259 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	170 @interfaceutil.implementer(repository.irevisiondelta)
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	171 @attr.s(slots=True)
39259 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	172 class revlogrevisiondelta(object):
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	173 node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	174 p1node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	175 p2node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	176 basenode = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	177 flags = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	178 baserevisionsize = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	179 revision = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	180 delta = attr.ib()
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	181 linknode = attr.ib(default=None)
39259 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	182
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	183
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	184 @interfaceutil.implementer(repository.iverifyproblem)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	185 @attr.s(frozen=True)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	186 class revlogproblem(object):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	187 warning = attr.ib(default=None)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	188 error = attr.ib(default=None)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	189 node = attr.ib(default=None)
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	190
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	191
18585 b280f3bfc8a0 revlog: document v0 format Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 18090 diff changeset	192 # index v0:
b280f3bfc8a0 revlog: document v0 format Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 18090 diff changeset	193 # 4 bytes: offset
b280f3bfc8a0 revlog: document v0 format Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 18090 diff changeset	194 # 4 bytes: compressed length
b280f3bfc8a0 revlog: document v0 format Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 18090 diff changeset	195 # 4 bytes: base rev
b280f3bfc8a0 revlog: document v0 format Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 18090 diff changeset	196 # 4 bytes: link rev
25891 c73fada78589 revlog: correct comment about size of v0 index format Yuya Nishihara <yuya@tcha.org> parents: 25822 diff changeset	197 # 20 bytes: parent 1 nodeid
c73fada78589 revlog: correct comment about size of v0 index format Yuya Nishihara <yuya@tcha.org> parents: 25822 diff changeset	198 # 20 bytes: parent 2 nodeid
c73fada78589 revlog: correct comment about size of v0 index format Yuya Nishihara <yuya@tcha.org> parents: 25822 diff changeset	199 # 20 bytes: nodeid
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	200 indexformatv0 = struct.Struct(b">4l20s20s20s")
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	201 indexformatv0_pack = indexformatv0.pack
ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	202 indexformatv0_unpack = indexformatv0.unpack
4918 e017d3a82e1d revlog: raise offset/type helpers to global scope Matt Mackall <mpm@selenic.com> parents: 4746 diff changeset	203
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	204
38888 da5a666f0f78 pure: create type for revlog v0 index Martin von Zweigbergk <martinvonz@google.com> parents: 38883 diff changeset	205 class revlogoldindex(list):
da5a666f0f78 pure: create type for revlog v0 index Martin von Zweigbergk <martinvonz@google.com> parents: 38883 diff changeset	206 def __getitem__(self, i):
38891 a3dacabd476b index: don't allow index[len(index)] to mean nullid Martin von Zweigbergk <martinvonz@google.com> parents: 38890 diff changeset	207 if i == -1:
38888 da5a666f0f78 pure: create type for revlog v0 index Martin von Zweigbergk <martinvonz@google.com> parents: 38883 diff changeset	208 return (0, 0, 0, -1, -1, -1, -1, nullid)
da5a666f0f78 pure: create type for revlog v0 index Martin von Zweigbergk <martinvonz@google.com> parents: 38883 diff changeset	209 return list.__getitem__(self, i)
da5a666f0f78 pure: create type for revlog v0 index Martin von Zweigbergk <martinvonz@google.com> parents: 38883 diff changeset	210
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	211
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	212 class revlogoldio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	213 def __init__(self):
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	214 self.size = indexformatv0.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	215
13264 8439526fb407 revlog/parseindex: no need to pass the file around Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13259 diff changeset	216 def parseindex(self, data, inline):
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	217 s = self.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	218 index = []
27637 b502138f5faa cleanup: remove superfluous space after space after equals (python) timeless <timeless@mozdev.org> parents: 27475 diff changeset	219 nodemap = {nullid: nullrev}
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	220 n = off = 0
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	221 l = len(data)
a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	222 while off + s <= l:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	223 cur = data[off : off + s]
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	224 off += s
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	225 e = indexformatv0_unpack(cur)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	226 # transform to revlogv1 format
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	227 e2 = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	228 offset_type(e[0], 0),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	229 e[1],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	230 -1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	231 e[2],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	232 e[3],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	233 nodemap.get(e[4], nullrev),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	234 nodemap.get(e[5], nullrev),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	235 e[6],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	236 )
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	237 index.append(e2)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	238 nodemap[e[6]] = n
4973 a386a6e4fe46 revlog: simplify the v0 parser Matt Mackall <mpm@selenic.com> parents: 4972 diff changeset	239 n += 1
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	240
38888 da5a666f0f78 pure: create type for revlog v0 index Martin von Zweigbergk <martinvonz@google.com> parents: 38883 diff changeset	241 return revlogoldindex(index), nodemap, None
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	242
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	243 def packentry(self, entry, node, version, rev):
10395 ea52a2d4f42c revlog: don't silently discard revlog flags on revlogv0 Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10329 diff changeset	244 if gettype(entry[0]):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	245 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	246 _(b'index entry flags need revlog ' b'version 1')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	247 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	248 e2 = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	249 getoffset(entry[0]),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	250 entry[1],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	251 entry[3],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	252 entry[4],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	253 node(entry[5]),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	254 node(entry[6]),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	255 entry[7],
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	256 )
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	257 return indexformatv0_pack(*e2)
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	258
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	259
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	260 # index ng:
11323 d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	261 # 6 bytes: offset
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	262 # 2 bytes: flags
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	263 # 4 bytes: compressed length
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	264 # 4 bytes: uncompressed length
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	265 # 4 bytes: base rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	266 # 4 bytes: link rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	267 # 4 bytes: parent 1 rev
d65b74106113 revlog: fix inconsistent comment formatting Martin Geisler <mg@aragost.com> parents: 11155 diff changeset	268 # 4 bytes: parent 2 rev
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	269 # 32 bytes: nodeid
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	270 indexformatng = struct.Struct(b">Qiiiiii20s12x")
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	271 indexformatng_pack = indexformatng.pack
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	272 versionformat = struct.Struct(b">I")
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	273 versionformat_pack = versionformat.pack
ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	274 versionformat_unpack = versionformat.unpack
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	275
25410 eee88912db0a revlog: raise an exception earlier if an entry is too large (issue4675) Jordi Guti?rrez Hermoso <jordigh@octave.org> parents: 25361 diff changeset	276 # corresponds to uncompressed length of indexformatng (2 gigs, 4-byte
eee88912db0a revlog: raise an exception earlier if an entry is too large (issue4675) Jordi Guti?rrez Hermoso <jordigh@octave.org> parents: 25361 diff changeset	277 # signed integer)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	278 _maxentrysize = 0x7FFFFFFF
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	279
25410 eee88912db0a revlog: raise an exception earlier if an entry is too large (issue4675) Jordi Guti?rrez Hermoso <jordigh@octave.org> parents: 25361 diff changeset	280
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	281 class revlogio(object):
8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	282 def __init__(self):
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	283 self.size = indexformatng.size
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	284
13264 8439526fb407 revlog/parseindex: no need to pass the file around Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13259 diff changeset	285 def parseindex(self, data, inline):
7109 528b7fc1216c use the new parseindex implementation C in parsers Bernhard Leiner <bleiner@gmail.com> parents: 7089 diff changeset	286 # call the C implementation to parse the index data
13254 5ef5eb1f3515 revlog: only build the nodemap on demand Matt Mackall <mpm@selenic.com> parents: 13253 diff changeset	287 index, cache = parsers.parse_index2(data, inline)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	288 return index, getattr(index, 'nodemap', None), cache
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	289
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	290 def packentry(self, entry, node, version, rev):
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	291 p = indexformatng_pack(*entry)
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	292 if rev == 0:
33392 ac6446611ad2 revlog: use struct.Struct instances for slight performance wins Alex Gaynor <agaynor@mozilla.com> parents: 33391 diff changeset	293 p = versionformat_pack(version) + p[4:]
4986 58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	294 return p
58cc017ec7e0 revlog: abstract out index entry packing Matt Mackall <mpm@selenic.com> parents: 4985 diff changeset	295
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	296
42997 73288e7abe9b flagprocessors: remove flagprocessorsmixin Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42996 diff changeset	297 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	298 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	299 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	300
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	301 A revlog consists of two parts, an index and the revision data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	302
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	303 The index is a file with a fixed record size containing
6912 b92baef99ebf Fixed docstring typos Martin Geisler <mg@daimi.au.dk> parents: 6891 diff changeset	304 information on each revision, including its nodeid (hash), the
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	305 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	306 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	307 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	308 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	309
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	310 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	311 Each chunk represents a revision and is usually represented as a
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	312 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	313 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	314 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	315 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	316
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	317 Both pieces of the revlog are written to in an append-only
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	318 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	319 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	320 for locking while reading.
30001 b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	321
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	322 If checkambig, indexfile is opened with checkambig=True at
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	323 writing, to avoid file stat ambiguity.
34303 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	324
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	325 If mmaplargeindex is True, and an mmapindexthreshold is set, the
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	326 index will be mmapped rather than read if it is larger than the
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	327 configured threshold.
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	328
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	329 If censorable is True, the revlog can have censored revisions.
42478 bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	330
bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	331 If `upperboundcomp` is not None, this is the expected maximal gain from
bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	332 compression for the data content.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	333 """
42996 3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	334
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	335 _flagserrorclass = error.RevlogError
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	336
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	337 def __init__(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	338 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	339 opener,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	340 indexfile,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	341 datafile=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	342 checkambig=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	343 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	344 censorable=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	345 upperboundcomp=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	346 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	347 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	348 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	349
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	350 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	351 and can be used to implement COW semantics or the like.
42478 bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	352
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	353 """
42478 bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	354 self.upperboundcomp = upperboundcomp
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	355 self.indexfile = indexfile
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	356 self.datafile = datafile or (indexfile[:-2] + b".d")
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	357 self.opener = opener
30001 b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	358 # When True, indexfile is opened with checkambig=True at writing, to
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	359 # avoid file stat ambiguity.
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	360 self._checkambig = checkambig
41203 d0de4fdd87aa revlog: store mmaplargeindex as an instance attribute Gregory Szorc <gregory.szorc@gmail.com> parents: 41202 diff changeset	361 self._mmaplargeindex = mmaplargeindex
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	362 self._censorable = censorable
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	363 # 3-tuple of (node, rev, text) for a raw revision.
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	364 self._revisioncache = None
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	365 # Maps rev to chain base rev.
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	366 self._chainbasecache = util.lrucachedict(100)
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	367 # 2-tuple of (offset, data) of raw data from the revlog at an offset.
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	368 self._chunkcache = (0, b'')
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	369 # How much data to read and cache into the raw revlog data cache.
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	370 self._chunkcachesize = 65536
23255 76effa770ff9 revlog: add config variable for limiting delta-chain length Mateusz Kwapich <mitrandir@fb.com> parents: 23254 diff changeset	371 self._maxchainlen = None
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	372 self._deltabothparents = True
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	373 self.index = []
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	374 # Mapping of partial identifiers to full nodes.
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	375 self._pcache = {}
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	376 # Mapping of revision integer to full node.
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	377 self._nodecache = {nullid: nullrev}
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	378 self._nodepos = None
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	379 self._compengine = b'zlib'
42043 1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41877 diff changeset	380 self._compengineopts = {}
33207 895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 33173 diff changeset	381 self._maxdeltachainspan = -1
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	382 self._withsparseread = False
38717 aa21a9ad46ea sparse-revlog: new requirement enabled with format.sparse-revlog Paul Morelle <paul.morelle@octobus.net> parents: 38716 diff changeset	383 self._sparserevlog = False
38632 eb8504715071 sparse-read: target density of 50% instead of 25% Paul Morelle <paul.morelle@octobus.net> parents: 38603 diff changeset	384 self._srdensitythreshold = 0.50
34881 8c9b08a0c48c sparse-read: skip gaps too small to be worth splitting Paul Morelle <paul.morelle@octobus.net> parents: 34880 diff changeset	385 self._srmingapsize = 262144
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	386
39784 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	387 # Make copy of flag processors so each revlog instance can support
7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	388 # custom flags.
42746 05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42745 diff changeset	389 self._flagprocessors = dict(flagutil.flagprocessors)
39784 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	390
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	391 # 2-tuple of file handles being used for active writing.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	392 self._writinghandles = None
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	393
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	394 self._loadindex()
e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	395
e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	396 def _loadindex(self):
34303 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	397 mmapindexthreshold = None
43027 3518da504303 vfs: give all vfs an options attribute by default Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43026 diff changeset	398 opts = self.opener.options
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	399
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	400 if b'revlogv2' in opts:
41205 3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	401 newversionflags = REVLOGV2 \| FLAG_INLINE_DATA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	402 elif b'revlogv1' in opts:
41205 3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	403 newversionflags = REVLOGV1 \| FLAG_INLINE_DATA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	404 if b'generaldelta' in opts:
41205 3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	405 newversionflags \|= FLAG_GENERALDELTA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	406 elif b'revlogv0' in self.opener.options:
41302 c953c2a94d68 revlog: fix resolution of revlog version 0 Yuya Nishihara <yuya@tcha.org> parents: 41301 diff changeset	407 newversionflags = REVLOGV0
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	408 else:
41205 3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	409 newversionflags = REVLOG_DEFAULT_VERSION
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	410
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	411 if b'chunkcachesize' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	412 self._chunkcachesize = opts[b'chunkcachesize']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	413 if b'maxchainlen' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	414 self._maxchainlen = opts[b'maxchainlen']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	415 if b'deltabothparents' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	416 self._deltabothparents = opts[b'deltabothparents']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	417 self._lazydelta = bool(opts.get(b'lazydelta', True))
41824 688fc33e105d storage: introduce a `revlog.reuse-external-delta` config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41773 diff changeset	418 self._lazydeltabase = False
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41773 diff changeset	419 if self._lazydelta:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	420 self._lazydeltabase = bool(opts.get(b'lazydeltabase', False))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	421 if b'compengine' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	422 self._compengine = opts[b'compengine']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	423 if b'zlib.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	424 self._compengineopts[b'zlib.level'] = opts[b'zlib.level']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	425 if b'zstd.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	426 self._compengineopts[b'zstd.level'] = opts[b'zstd.level']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	427 if b'maxdeltachainspan' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	428 self._maxdeltachainspan = opts[b'maxdeltachainspan']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	429 if self._mmaplargeindex and b'mmapindexthreshold' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	430 mmapindexthreshold = opts[b'mmapindexthreshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	431 self.hassidedata = bool(opts.get(b'side-data', False))
43037 142deb539ccf sidedata: register the flag processors if the repository allows for it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43034 diff changeset	432 if self.hassidedata:
142deb539ccf sidedata: register the flag processors if the repository allows for it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43034 diff changeset	433 self._flagprocessors[REVIDX_SIDEDATA] = sidedatautil.processors
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	434 self._sparserevlog = bool(opts.get(b'sparse-revlog', False))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	435 withsparseread = bool(opts.get(b'with-sparse-read', False))
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	436 # sparse-revlog forces sparse-read
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	437 self._withsparseread = self._sparserevlog or withsparseread
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	438 if b'sparse-read-density-threshold' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	439 self._srdensitythreshold = opts[b'sparse-read-density-threshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	440 if b'sparse-read-min-gap-size' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	441 self._srmingapsize = opts[b'sparse-read-min-gap-size']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	442 if opts.get(b'enableellipsis'):
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	443 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	444
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	445 # revlog v0 doesn't have flag processors
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	446 for flag, processor in opts.get(b'flagprocessors', {}).iteritems():
42748 5109217a9ab6 flagutil: move insertflagprocessor to the new module (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42747 diff changeset	447 flagutil.insertflagprocessor(flag, processor, self._flagprocessors)
40267 9d5ddf55415b revlog: allow flag processors to be applied via store options Matt Harbison <matt_harbison@yahoo.com> parents: 40180 diff changeset	448
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	449 if self._chunkcachesize <= 0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	450 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	451 _(b'revlog chunk cache size %r is not ' b'greater than 0')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	452 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	453 )
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	454 elif self._chunkcachesize & (self._chunkcachesize - 1):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	455 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	456 _(b'revlog chunk cache size %r is not a ' b'power of 2')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	457 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	458 )
11928 b69899dbad40 revlog: parentdelta flags for revlog index Pradeepkumar Gayam <in3xes@gmail.com> parents: 11759 diff changeset	459
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	460 indexdata = b''
14334 85c82ebc96a3 changelog: don't use generaldelta Sune Foldager <cryo@cyanite.org> parents: 14333 diff changeset	461 self._initempty = True
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	462 try:
36008 1f2b8a644dd4 revlog: use context manager for index file life time in __init__ Boris Feld <boris.feld@octobus.net> parents: 36007 diff changeset	463 with self._indexfp() as f:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	464 if (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	465 mmapindexthreshold is not None
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	466 and self.opener.fstat(f).st_size >= mmapindexthreshold
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	467 ):
41286 00b314c42094 revlog: document that mmap resources are released implicitly by GC Yuya Nishihara <yuya@tcha.org> parents: 41275 diff changeset	468 # TODO: should .close() to release resources without
00b314c42094 revlog: document that mmap resources are released implicitly by GC Yuya Nishihara <yuya@tcha.org> parents: 41275 diff changeset	469 # relying on Python GC
36008 1f2b8a644dd4 revlog: use context manager for index file life time in __init__ Boris Feld <boris.feld@octobus.net> parents: 36007 diff changeset	470 indexdata = util.buffer(util.mmapread(f))
1f2b8a644dd4 revlog: use context manager for index file life time in __init__ Boris Feld <boris.feld@octobus.net> parents: 36007 diff changeset	471 else:
1f2b8a644dd4 revlog: use context manager for index file life time in __init__ Boris Feld <boris.feld@octobus.net> parents: 36007 diff changeset	472 indexdata = f.read()
26241 eb97d49768cc revlog: rename generic "i" variable to "indexdata" Gregory Szorc <gregory.szorc@gmail.com> parents: 26118 diff changeset	473 if len(indexdata) > 0:
41201 6439cefaeb64 revlog: rename v to versionflags Gregory Szorc <gregory.szorc@gmail.com> parents: 41200 diff changeset	474 versionflags = versionformat_unpack(indexdata[:4])[0]
14334 85c82ebc96a3 changelog: don't use generaldelta Sune Foldager <cryo@cyanite.org> parents: 14333 diff changeset	475 self._initempty = False
41205 3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	476 else:
3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	477 versionflags = newversionflags
25660 328739ea70c3 global: mass rewrite to use modern exception syntax Gregory Szorc <gregory.szorc@gmail.com> parents: 25459 diff changeset	478 except IOError as inst:
1322 b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	479 if inst.errno != errno.ENOENT:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors. Bryan O'Sullivan <bos@serpentine.com> parents: 1232 diff changeset	480 raise
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	481
41205 3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	482 versionflags = newversionflags
3f807237dc94 revlog: use separate variables to track version flags Gregory Szorc <gregory.szorc@gmail.com> parents: 41204 diff changeset	483
41201 6439cefaeb64 revlog: rename v to versionflags Gregory Szorc <gregory.szorc@gmail.com> parents: 41200 diff changeset	484 self.version = versionflags
41202 e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	485
41201 6439cefaeb64 revlog: rename v to versionflags Gregory Szorc <gregory.szorc@gmail.com> parents: 41200 diff changeset	486 flags = versionflags & ~0xFFFF
6439cefaeb64 revlog: rename v to versionflags Gregory Szorc <gregory.szorc@gmail.com> parents: 41200 diff changeset	487 fmt = versionflags & 0xFFFF
41202 e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	488
32430 36d3559c69a6 revlog: tweak wording and logic for flags validation Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	489 if fmt == REVLOGV0:
36d3559c69a6 revlog: tweak wording and logic for flags validation Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	490 if flags:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	491 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	492 _(b'unknown flags (%#04x) in version %d ' b'revlog %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	493 % (flags >> 16, fmt, self.indexfile)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	494 )
41202 e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	495
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	496 self._inline = False
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	497 self._generaldelta = False
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	498
32430 36d3559c69a6 revlog: tweak wording and logic for flags validation Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	499 elif fmt == REVLOGV1:
36d3559c69a6 revlog: tweak wording and logic for flags validation Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	500 if flags & ~REVLOGV1_FLAGS:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	501 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	502 _(b'unknown flags (%#04x) in version %d ' b'revlog %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	503 % (flags >> 16, fmt, self.indexfile)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	504 )
41202 e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	505
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	506 self._inline = versionflags & FLAG_INLINE_DATA
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	507 self._generaldelta = versionflags & FLAG_GENERALDELTA
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	508
32717 19b9fc40cc51 revlog: skeleton support for version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 32704 diff changeset	509 elif fmt == REVLOGV2:
19b9fc40cc51 revlog: skeleton support for version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 32704 diff changeset	510 if flags & ~REVLOGV2_FLAGS:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	511 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	512 _(b'unknown flags (%#04x) in version %d ' b'revlog %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	513 % (flags >> 16, fmt, self.indexfile)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	514 )
41202 e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	515
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	516 self._inline = versionflags & FLAG_INLINE_DATA
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	517 # generaldelta implied by version 2 revlogs.
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	518 self._generaldelta = True
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 41201 diff changeset	519
32430 36d3559c69a6 revlog: tweak wording and logic for flags validation Gregory Szorc <gregory.szorc@gmail.com> parents: 32411 diff changeset	520 else:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	521 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	522 _(b'unknown version (%d) in revlog %s') % (fmt, self.indexfile)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	523 )
41312 189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	524 # sparse-revlog can't be on without general-delta (issue6056)
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	525 if not self._generaldelta:
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	526 self._sparserevlog = False
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	527
39260 0a5b20c107a6 repository: remove storedeltachains from ifilestorage Gregory Szorc <gregory.szorc@gmail.com> parents: 39259 diff changeset	528 self._storedeltachains = True
30154 5e72129d75ed revlog: add instance variable controlling delta chain use Gregory Szorc <gregory.szorc@gmail.com> parents: 30014 diff changeset	529
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	530 self._io = revlogio()
4971 3e6dae278c99 revlog: regroup parsing code Matt Mackall <mpm@selenic.com> parents: 4920 diff changeset	531 if self.version == REVLOGV0:
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	532 self._io = revlogoldio()
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	533 try:
26241 eb97d49768cc revlog: rename generic "i" variable to "indexdata" Gregory Szorc <gregory.szorc@gmail.com> parents: 26118 diff changeset	534 d = self._io.parseindex(indexdata, self._inline)
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	535 except (ValueError, IndexError):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	536 raise error.RevlogError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	537 _(b"index %s is corrupted") % self.indexfile
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	538 )
13268 fff12b3d953a revlog: explicit test and explicit variable names Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13267 diff changeset	539 self.index, nodemap, self._chunkcache = d
fff12b3d953a revlog: explicit test and explicit variable names Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13267 diff changeset	540 if nodemap is not None:
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	541 self.nodemap = self._nodecache = nodemap
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	542 if not self._chunkcache:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	543 self._chunkclear()
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	544 # revnum -> (chain-length, sum-delta-length)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	545 self._chaininfocache = {}
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	546 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	547 self._decompressors = {}
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	548
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	549 @util.propertycache
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	550 def _compressor(self):
42043 1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41877 diff changeset	551 engine = util.compengines[self._compengine]
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41877 diff changeset	552 return engine.revlogcompressor(self._compengineopts)
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	553
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	554 def _indexfp(self, mode=b'r'):
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	555 """file object for the revlog's index file"""
91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	556 args = {r'mode': mode}
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	557 if mode != b'r':
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	558 args[r'checkambig'] = self._checkambig
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	559 if mode == b'w':
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	560 args[r'atomictemp'] = True
91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	561 return self.opener(self.indexfile, **args)
91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	562
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	563 def _datafp(self, mode=b'r'):
36006 61326dd7cb8d revlog: move datafile opening in a method Boris Feld <boris.feld@octobus.net> parents: 35885 diff changeset	564 """file object for the revlog's data file"""
61326dd7cb8d revlog: move datafile opening in a method Boris Feld <boris.feld@octobus.net> parents: 35885 diff changeset	565 return self.opener(self.datafile, mode=mode)
61326dd7cb8d revlog: move datafile opening in a method Boris Feld <boris.feld@octobus.net> parents: 35885 diff changeset	566
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	567 @contextlib.contextmanager
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	568 def _datareadfp(self, existingfp=None):
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	569 """file object suitable to read data"""
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	570 # Use explicit file handle, if given.
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	571 if existingfp is not None:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	572 yield existingfp
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	573
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	574 # Use a file handle being actively used for writes, if available.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	575 # There is some danger to doing this because reads will seek the
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	576 # file. However, _writeentry() performs a SEEK_END before all writes,
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	577 # so we should be safe.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	578 elif self._writinghandles:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	579 if self._inline:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	580 yield self._writinghandles[0]
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	581 else:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	582 yield self._writinghandles[1]
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	583
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	584 # Otherwise open a new file handle.
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	585 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	586 if self._inline:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	587 func = self._indexfp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	588 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	589 func = self._datafp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	590 with func() as fp:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	591 yield fp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	592
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	593 def tip(self):
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	594 return self.node(len(self.index) - 1)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	595
24030 828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	596 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	597 return 0 <= rev < len(self)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	598
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	599 def __len__(self):
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	600 return len(self.index)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	601
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	602 def __iter__(self):
38823 e7aa113b14f7 global: use pycompat.xrange() Gregory Szorc <gregory.szorc@gmail.com> parents: 38818 diff changeset	603 return iter(pycompat.xrange(len(self)))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	604
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	605 def revs(self, start=0, stop=None):
474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	606 """iterate over all rev in this revlog (from start to stop)"""
39886 d63153611ed5 storageutil: extract revision number iteration Gregory Szorc <gregory.szorc@gmail.com> parents: 39884 diff changeset	607 return storageutil.iterrevs(len(self), start=start, stop=stop)
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	608
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	609 @util.propertycache
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	610 def nodemap(self):
39177 65d5de1169dd revlog: fix pure nodemap to not access missing index entry Yuya Nishihara <yuya@tcha.org> parents: 39124 diff changeset	611 if self.index:
65d5de1169dd revlog: fix pure nodemap to not access missing index entry Yuya Nishihara <yuya@tcha.org> parents: 39124 diff changeset	612 # populate mapping down to the initial node
39178 5f924aa0567c revlog: obtain the first node at the lowest layer while building pure nodemap Yuya Nishihara <yuya@tcha.org> parents: 39177 diff changeset	613 node0 = self.index[0][7] # get around changelog filtering
5f924aa0567c revlog: obtain the first node at the lowest layer while building pure nodemap Yuya Nishihara <yuya@tcha.org> parents: 39177 diff changeset	614 self.rev(node0)
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	615 return self._nodecache
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	616
16374 29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	617 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	618 try:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	619 self.rev(node)
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	620 return True
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	621 except KeyError:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	622 return False
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	623
35839 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	624 def candelta(self, baserev, rev):
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	625 """whether two revisions (baserev, rev) can be delta-ed or not"""
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	626 # Disable delta if either rev requires a content-changing flag
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	627 # processor (ex. LFS). This is because such flag processor can alter
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	628 # the rawtext content that the delta will be based on, and two clients
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	629 # could have a same revlog node with different flags (i.e. different
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	630 # rawtext contents) and the delta could be incompatible.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	631 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	632 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	633 ):
35839 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	634 return False
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	635 return True
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	636
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	637 def clearcaches(self):
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	638 self._revisioncache = None
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	639 self._chainbasecache.clear()
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	640 self._chunkcache = (0, b'')
27465 072a675c51f2 revlog: make clearcaches() more effective Gregory Szorc <gregory.szorc@gmail.com> parents: 27449 diff changeset	641 self._pcache = {}
072a675c51f2 revlog: make clearcaches() more effective Gregory Szorc <gregory.szorc@gmail.com> parents: 27449 diff changeset	642
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	643 try:
41457 e2e815e3c4ae revlog: document cext oddities in terms of object/caches Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	644 # If we are using the native C version, you are in a fun case
e2e815e3c4ae revlog: document cext oddities in terms of object/caches Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	645 # where self.index, self.nodemap and self._nodecaches is the same
e2e815e3c4ae revlog: document cext oddities in terms of object/caches Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	646 # object.
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	647 self._nodecache.clearcaches()
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	648 except AttributeError:
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	649 self._nodecache = {nullid: nullrev}
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	650 self._nodepos = None
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	651
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	652 def rev(self, node):
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	653 try:
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	654 return self._nodecache[node]
22282 4092d12ba18a repoview: fix 0L with pack/unpack for 2.4 Matt Mackall <mpm@selenic.com> parents: 21752 diff changeset	655 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4 Matt Mackall <mpm@selenic.com> parents: 21752 diff changeset	656 raise
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	657 except error.RevlogError:
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	658 # parsers.c radix tree lookup failed
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	659 if node == wdirid or node in wdirfilenodeids:
32679 7b17f9de6d3e revlog: map rev(wdirid) to WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 32481 diff changeset	660 raise error.WdirUnsupported
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	661 raise error.LookupError(node, self.indexfile, _(b'no node'))
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	662 except KeyError:
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	663 # pure python cache lookup failed
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	664 n = self._nodecache
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	665 i = self.index
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	666 p = self._nodepos
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	667 if p is None:
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	668 p = len(i) - 1
37494 1ce7a55b09d1 revlog: reset _nodepos after strip Joerg Sonnenberger <joerg@bec.de> parents: 37449 diff changeset	669 else:
1ce7a55b09d1 revlog: reset _nodepos after strip Joerg Sonnenberger <joerg@bec.de> parents: 37449 diff changeset	670 assert p < len(i)
38823 e7aa113b14f7 global: use pycompat.xrange() Gregory Szorc <gregory.szorc@gmail.com> parents: 38818 diff changeset	671 for r in pycompat.xrange(p, -1, -1):
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	672 v = i[r][7]
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	673 n[v] = r
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	674 if v == node:
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	675 self._nodepos = r - 1
68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	676 return r
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	677 if node == wdirid or node in wdirfilenodeids:
32679 7b17f9de6d3e revlog: map rev(wdirid) to WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 32481 diff changeset	678 raise error.WdirUnsupported
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	679 raise error.LookupError(node, self.indexfile, _(b'no node'))
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	680
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	681 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	682
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	683 # First tuple entry is 8 bytes. First 6 bytes are offset. Last 2 bytes
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	684 # are flags.
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	685 def start(self, rev):
5006 c2febf5420e9 revlog: minor chunk speed-up Matt Mackall <mpm@selenic.com> parents: 5005 diff changeset	686 return int(self.index[rev][0] >> 16)
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	687
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	688 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	689 return self.index[rev][0] & 0xFFFF
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	690
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	691 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	692 return self.index[rev][1]
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	693
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	694 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	695 """return the length of the uncompressed text for a given revision"""
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	696 l = self.index[rev][2]
38210 7fa3408f83ef revlog: disallow setting uncompressed length to None Yuya Nishihara <yuya@tcha.org> parents: 38202 diff changeset	697 if l >= 0:
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	698 return l
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	699
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	700 t = self.rawdata(rev)
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	701 return len(t)
31856 0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	702
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	703 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	704 """length of non-raw text (processed by a "read" flag processor)"""
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	705 # fast path: if no "read" flag processor could change the content,
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	706 # size is rawsize. note: ELLIPSIS is known to not change the content.
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	707 flags = self.flags(rev)
42747 92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42746 diff changeset	708 if flags & (flagutil.REVIDX_KNOWN_FLAGS ^ REVIDX_ELLIPSIS) == 0:
31856 0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	709 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	710
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	711 return len(self.revision(rev, raw=False))
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	712
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	713 def chainbase(self, rev):
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	714 base = self._chainbasecache.get(rev)
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	715 if base is not None:
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	716 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	717
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	718 index = self.index
38202 fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	719 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	720 base = index[iterrev][3]
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	721 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	722 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	723 base = index[iterrev][3]
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	724
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	725 self._chainbasecache[rev] = base
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	726 return base
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	727
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	728 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	729 return self.index[rev][4]
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	730
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	731 def parentrevs(self, rev):
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	732 try:
35525 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35354 diff changeset	733 entry = self.index[rev]
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	734 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	735 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	736 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	737 raise
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	738
35525 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35354 diff changeset	739 return entry[5], entry[6]
a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35354 diff changeset	740
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	741 # fast parentrevs(rev) where rev isn't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	742 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	743
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	744 def node(self, rev):
32481 34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	745 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	746 return self.index[rev][7]
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	747 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	748 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	749 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	750 raise
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	751
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	752 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	753
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	754 def end(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	755 return self.start(rev) + self.length(rev)
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	756
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	757 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	758 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	759 d = i[self.rev(node)]
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	760 return i[d[5]][7], i[d[6]][7] # map revisions to nodes inline
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	761
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	762 def chainlen(self, rev):
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	763 return self._chaininfo(rev)[0]
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	764
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	765 def _chaininfo(self, rev):
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	766 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	767 if rev in chaininfocache:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	768 return chaininfocache[rev]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	769 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	770 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	771 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	772 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	773 clen = 0
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	774 compresseddeltalen = 0
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	775 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	776 clen += 1
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	777 compresseddeltalen += e[1]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	778 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	779 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	780 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	781 iterrev -= 1
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	782 if iterrev in chaininfocache:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	783 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	784 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	785 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	786 break
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	787 e = index[iterrev]
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	788 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	789 # Add text length of base since decompressing that also takes
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	790 # work. For cache hits the length is already included.
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	791 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	792 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	793 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	794 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	795
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	796 def _deltachain(self, rev, stoprev=None):
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	797 """Obtain the delta chain for a revision.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	798
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	799 ``stoprev`` specifies a revision to stop at. If not specified, we
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	800 stop at the base of the chain.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	801
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	802 Returns a 2-tuple of (chain, stopped) where ``chain`` is a list of
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	803 revs in ascending order and ``stopped`` is a bool indicating whether
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	804 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	805 """
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	806 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	807 try:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	808 return self.index.deltachain(rev, stoprev, self._generaldelta)
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	809 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	810 pass
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	811
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	812 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	813
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	814 # Alias to prevent attribute lookup in tight loop.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	815 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	816 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	817
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	818 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	819 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	820 while iterrev != e[3] and iterrev != stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	821 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	822 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	823 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	824 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	825 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	826 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	827
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	828 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	829 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	830 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	831 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	832 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	833
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	834 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	835 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	836
18081 f88c60e740a1 revlog.ancestors: add support for including revs Siddharth Agarwal <sid0@fb.com> parents: 17975 diff changeset	837 def ancestors(self, revs, stoprev=0, inclusive=False):
40772 8947f49daaa8 revlog: update the docstring of `ancestors` to match reality Boris Feld <boris.feld@octobus.net> parents: 40671 diff changeset	838 """Generate the ancestors of 'revs' in reverse revision order.
16868 eb88ed4269c5 revlog: add optional stoprev arg to revlog.ancestors() Joshua Redstone <joshua.redstone@fb.com> parents: 16867 diff changeset	839 Does not generate revs lower than stoprev.
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	840
18090 9abc55ef85b5 revlog: move ancestor generation out to a new class Siddharth Agarwal <sid0@fb.com> parents: 18083 diff changeset	841 See the documentation for ancestor.lazyancestors for more details."""
18081 f88c60e740a1 revlog.ancestors: add support for including revs Siddharth Agarwal <sid0@fb.com> parents: 17975 diff changeset	842
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	843 # first, make sure start revisions aren't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	844 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	845 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	846 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	847 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	848 # and we're sure ancestors aren't filtered as well
41118 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	849
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	850 if rustancestor is not None:
a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	851 lazyancestors = rustancestor.LazyAncestors
41118 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	852 arg = self.index
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	853 elif util.safehasattr(parsers, b'rustlazyancestors'):
41118 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	854 lazyancestors = ancestor.rustlazyancestors
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	855 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	856 else:
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	857 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	858 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	859 return lazyancestors(arg, revs, stoprev=stoprev, inclusive=inclusive)
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	860
16867 1093ad1e8903 revlog: descendants(revs) becomes descendants(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16866 diff changeset	861 def descendants(self, revs):
40000 0b24fcd88066 dagop: extract descendants() from revlog module Gregory Szorc <gregory.szorc@gmail.com> parents: 39913 diff changeset	862 return dagop.descendantrevs(revs, self.revs, self.parentrevs)
6872 c7cc40fd74f6 Add ancestors and descendants to revlog Stefano Tortarolo <stefano.tortarolo@gmail.com> parents: 6750 diff changeset	863
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	864 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	865 """Return a tuple of the ancestors of common and the ancestors of heads
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	866 that are not ancestors of common. In revset terminology, we return the
fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	867 tuple:
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	868
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	869 ::common, (::heads) - (::common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	870
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	871 The list is sorted by revision number, meaning it is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	872 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	873
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	874 'heads' and 'common' are both lists of node IDs. If heads is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	875 not supplied, uses all of the revlog's heads. If common is not
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	876 supplied, uses nullid."""
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	877 if common is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	878 common = [nullid]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	879 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	880 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	881
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	882 common = [self.rev(n) for n in common]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	883 heads = [self.rev(n) for n in heads]
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	884
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	885 # we want the ancestors, but inclusive
20073 eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	886 class lazyset(object):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	887 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	888 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	889 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	890
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	891 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	892 return value in self.addedvalues or value in self.lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	893
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	894 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	895 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	896 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	897 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	898 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	899 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	900 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	901
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	902 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	903 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	904
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	905 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	906 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	907
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	908 has = lazyset(self.ancestors(common))
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	909 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	910 has.update(common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	911
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	912 # take all ancestors from heads that aren't in has
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	913 missing = set()
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	914 visit = collections.deque(r for r in heads if r not in has)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	915 while visit:
16803 107a3270a24a cleanup: use the deque type where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	916 r = visit.popleft()
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	917 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	918 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	919 else:
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	920 missing.add(r)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	921 for p in self.parentrevs(r):
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	922 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	923 visit.append(p)
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	924 missing = list(missing)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	925 missing.sort()
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	926 return has, [self.node(miss) for miss in missing]
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	927
23337 3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	928 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	929 """Return an object that can be used to incrementally compute the
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	930 revision numbers of the ancestors of arbitrary sets that are not
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	931 ancestors of common. This is an ancestor.incrementalmissingancestors
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	932 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	933
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	934 'common' is a list of revision numbers. If common is not supplied, uses
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	935 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	936 """
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	937 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	938 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	939
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	940 if rustancestor is not None:
a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	941 return rustancestor.MissingAncestors(self.index, common)
23337 3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	942 return ancestor.incrementalmissingancestors(self.parentrevs, common)
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	943
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	944 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	945 """Return the revision numbers of the ancestors of heads that
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	946 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	947
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	948 More specifically, return a list of revision numbers corresponding to
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	949 nodes N such that every N satisfies the following constraints:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	950
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	951 1. N is an ancestor of some node in 'heads'
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	952 2. N is not an ancestor of any node in 'common'
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	953
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	954 The list is sorted by revision number, meaning it is
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	955 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	956
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	957 'heads' and 'common' are both lists of revision numbers. If heads is
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	958 not supplied, uses all of the revlog's heads. If common is not
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	959 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	960 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	961 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	962 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	963 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	964
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	965 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	966 return inc.missingancestors(heads)
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	967
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	968 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	969 """Return the ancestors of heads that are not ancestors of common.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	970
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	971 More specifically, return a list of nodes N such that every N
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	972 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	973
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	974 1. N is an ancestor of some node in 'heads'
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	975 2. N is not an ancestor of any node in 'common'
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	976
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	977 The list is sorted by revision number, meaning it is
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	978 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	979
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	980 'heads' and 'common' are both lists of node IDs. If heads is
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	981 not supplied, uses all of the revlog's heads. If common is not
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	982 supplied, uses nullid."""
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	983 if common is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	984 common = [nullid]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	985 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	986 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	987
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	988 common = [self.rev(n) for n in common]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	989 heads = [self.rev(n) for n in heads]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	990
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	991 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	992 return [self.node(r) for r in inc.missingancestors(heads)]
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	993
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	994 def nodesbetween(self, roots=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	995 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	996
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	997 Return a tuple (nodes, outroots, outheads) where 'nodes' is a
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	998 topologically sorted list of all nodes N that satisfy both of
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	999 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1000
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1001 1. N is a descendant of some node in 'roots'
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1002 2. N is an ancestor of some node in 'heads'
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1003
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1004 Every node is considered to be both a descendant and an ancestor
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1005 of itself, so every reachable node in 'roots' and 'heads' will be
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1006 included in 'nodes'.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1007
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1008 'outroots' is the list of reachable nodes in 'roots', i.e., the
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1009 subset of 'roots' that is returned in 'nodes'. Likewise,
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1010 'outheads' is the subset of 'heads' that is also in 'nodes'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1011
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1012 'roots' and 'heads' are both lists of node IDs. If 'roots' is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1013 unspecified, uses nullid as the only root. If 'heads' is
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1014 unspecified, uses list of all of the revlog's heads."""
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1015 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1016 if roots is not None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1017 roots = list(roots)
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1018 if not roots:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1019 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1020 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1021 else:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1022 roots = [nullid] # Everybody's a descendant of nullid
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1023 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1024 if (lowestrev == nullrev) and (heads is None):
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1025 # We want _all_ the nodes!
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1026 return ([self.node(r) for r in self], [nullid], list(self.heads()))
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1027 if heads is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1028 # All nodes are ancestors, so the latest ancestor is the last
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1029 # node.
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1030 highestrev = len(self) - 1
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1031 # Set ancestors to None to signal that every node is an ancestor.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1032 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1033 # Set heads to an empty dictionary for later discovery of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1034 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1035 else:
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1036 heads = list(heads)
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1037 if not heads:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1038 return nonodes
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	1039 ancestors = set()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1040 # Turn heads into a dictionary so we can remove 'fake' heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1041 # Also, later we will be using it to filter out the heads we can't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1042 # find from roots.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	1043 heads = dict.fromkeys(heads, False)
3360 ef8307585b41 nodesbetween: fix a bug with duplicate heads Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3335 diff changeset	1044 # Start at the top and keep marking parents until we're done.
8163 62d7287fe6b0 rebase, revlog: use set(x) instead of set(x.keys()) Martin Geisler <mg@lazybytes.net> parents: 8153 diff changeset	1045 nodestotag = set(heads)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1046 # Remember where the top was so we can use it as a limit later.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1047 highestrev = max([self.rev(n) for n in nodestotag])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1048 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1049 # grab a node to tag
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1050 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1051 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1052 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1053 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1054 # A node's revision number represents its place in a
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1055 # topologically sorted list of nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1056 r = self.rev(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1057 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1058 if n not in ancestors:
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1059 # If we are possibly a descendant of one of the roots
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1060 # and we haven't already been marked as an ancestor
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1061 ancestors.add(n) # Mark as ancestor
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1062 # Add non-nullid parents to list of nodes to tag.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1063 nodestotag.update(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1064 [p for p in self.parents(n) if p != nullid]
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1065 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1066 elif n in heads: # We've seen it before, is it a fake head?
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1067 # So it is, real heads should not be the ancestors of
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1068 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1069 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	1070 if not ancestors:
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1071 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1072 # Now that we have our set of ancestors, we want to remove any
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1073 # roots that are not ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1074
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1075 # If one of the roots was nullid, everything is included anyway.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1076 if lowestrev > nullrev:
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1077 # But, since we weren't, let's recompute the lowest rev to not
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1078 # include roots that aren't ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1079
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1080 # Filter out roots that aren't ancestors of heads
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1081 roots = [root for root in roots if root in ancestors]
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1082 # Recompute the lowest revision
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1083 if roots:
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1084 lowestrev = min([self.rev(root) for root in roots])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1085 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1086 # No more roots? Return empty list
1463 26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween. Eric Hopper <hopper@omnifarious.org> parents: 1459 diff changeset	1087 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1088 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1089 # We are descending from nullid, and don't need to care about
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1090 # any other roots.
3578 3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1091 lowestrev = nullrev
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1092 roots = [nullid]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1093 # Transform our roots list into a set.
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1094 descendants = set(roots)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1095 # Also, keep the original roots so we can filter out roots that aren't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1096 # 'real' roots (i.e. are descended from other roots).
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1097 roots = descendants.copy()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1098 # Our topologically sorted list of output nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1099 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1100 # Don't start at nullid since we don't want nullid in our output list,
17483 fe3b26048140 spelling: descendants timeless@mozdev.org parents: 17150 diff changeset	1101 # and if nullid shows up in descendants, empty parents will look like
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1102 # they're descendants.
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	1103 for r in self.revs(start=max(lowestrev, 0), stop=highestrev + 1):
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1104 n = self.node(r)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1105 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1106 if lowestrev == nullrev: # Everybody is a descendant of nullid
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1107 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1108 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1109 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1110 isdescendant = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1111 # This check only needs to be done here because all the roots
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1112 # will start being marked is descendants before the loop.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1113 if n in roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1114 # If n was a root, check if it's a 'real' root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1115 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1116 # If any of its parents are descendants, it's not a root.
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1117 if (p[0] in descendants) or (p[1] in descendants):
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1118 roots.remove(n)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1119 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1120 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1121 # A node is a descendant if either of its parents are
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1122 # descendants. (We seeded the dependents list with the roots
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1123 # up there, remember?)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1124 if (p[0] in descendants) or (p[1] in descendants):
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1125 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1126 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1127 if isdescendant and ((ancestors is None) or (n in ancestors)):
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1128 # Only include nodes that are both descendants and ancestors.
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1129 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1130 if (ancestors is not None) and (n in heads):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1131 # We're trying to figure out which heads are reachable
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1132 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1133 # Mark this head as having been reached
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	1134 heads[n] = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1135 elif ancestors is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1136 # Otherwise, we're trying to discover the heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1137 # Assume this is a head because if it isn't, the next step
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1138 # will eventually remove it.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	1139 heads[n] = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1140 # But, obviously its parents aren't.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1141 for p in self.parents(n):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1142 heads.pop(p, None)
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1143 heads = [head for head, flag in heads.iteritems() if flag]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1144 roots = list(roots)
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1145 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1146 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1147 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1148 return (orderedout, roots, heads)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1149
41275 1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1150 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1151 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1152 try:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1153 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1154 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1155 return self._headrevs()
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	1156 if rustdagop is not None:
a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	1157 return rustdagop.headrevs(self.index, revs)
41772 6843379bf99e changelog: prefilter in headrevs() Georges Racinet <georges.racinet@octobus.net> parents: 41700 diff changeset	1158 return dagop.headrevs(revs, self._uncheckedparentrevs)
17674 e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	1159
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1160 def computephases(self, roots):
25361 1635579f9baf phases: fix bug where native phase computation wasn't called Laurent Charignon <lcharignon@fb.com> parents: 25113 diff changeset	1161 return self.index.computephasesmapsets(roots)
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1162
17674 e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	1163 def _headrevs(self):
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1164 count = len(self)
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1165 if not count:
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1166 return [nullrev]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1167 # we won't iter over filtered rev so nobody is a head at start
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1168 ishead = [0] * (count + 1)
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1169 index = self.index
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	1170 for r in self:
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1171 ishead[r] = 1 # I may be an head
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1172 e = index[r]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1173 ishead[e[5]] = ishead[e[6]] = 0 # my parent are not
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1174 return [r for r, val in enumerate(ishead) if val]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1175
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	1176 def heads(self, start=None, stop=None):
1550 ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1535 diff changeset	1177 """return the list of all nodes that have no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1178
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1179 if start is specified, only heads that are descendants of
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1180 start will be returned
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	1181 if stop is specified, it will consider all the revs from stop
27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	1182 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1183 """
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	1184 if start is None and stop is None:
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1185 if not len(self):
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	1186 return [nullid]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1187 return [self.node(r) for r in self.headrevs()]
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	1188
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1189 if start is None:
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1190 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1191 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1192 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1193
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1194 stoprevs = set(self.rev(n) for n in stop or [])
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1195
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1196 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1197 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1198 )
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1199
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1200 return [self.node(rev) for rev in revs]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1201
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1202 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1203 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1204 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1205 p = self.rev(node)
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	1206 for r in self.revs(start=p + 1):
4746 62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1207 prevs = [pr for pr in self.parentrevs(r) if pr != nullrev]
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1208 if prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1209 for pr in prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1210 if pr == p:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1211 c.append(self.node(r))
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1212 elif p == nullrev:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated. Thomas Arendsen Hein <thomas@intevation.de> parents: 4635 diff changeset	1213 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1214 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1215
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1216 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1217 """calculate all the heads of the common ancestors of nodes a and b"""
40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1218 a, b = self.rev(a), self.rev(b)
38516 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1219 ancs = self._commonancestorsheads(a, b)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1220 return pycompat.maplist(self.node, ancs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1221
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1222 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1223 """calculate all the heads of the common ancestors of revs"""
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1224 try:
38516 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1225 ancs = self.index.commonancestorsheads(*revs)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1226 except (AttributeError, OverflowError): # C implementation failed
38516 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1227 ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1228 return ancs
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1229
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1230 def isancestor(self, a, b):
38664 160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API) Martin von Zweigbergk <martinvonz@google.com> parents: 38663 diff changeset	1231 """return True if node a is an ancestor of node b
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API) Martin von Zweigbergk <martinvonz@google.com> parents: 38663 diff changeset	1232
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API) Martin von Zweigbergk <martinvonz@google.com> parents: 38663 diff changeset	1233 A revision is considered an ancestor of itself."""
38518 cc3543c87de5 revlog: reuse 'descendant' implemention in 'isancestor' Boris Feld <boris.feld@octobus.net> parents: 38517 diff changeset	1234 a, b = self.rev(a), self.rev(b)
38666 a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1235 return self.isancestorrev(a, b)
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1236
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1237 def isancestorrev(self, a, b):
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1238 """return True if revision a is an ancestor of revision b
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1239
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1240 A revision is considered an ancestor of itself.
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1241
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1242 The implementation of this is trivial but the use of
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1243 reachableroots is not."""
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1244 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1245 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1246 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1247 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1248 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1249 return False
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1250 return bool(self.reachableroots(a, [b], [a], includepath=False))
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1251
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1252 def reachableroots(self, minroot, heads, roots, includepath=False):
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1253 """return (heads(::<roots> and <roots>::<heads>))
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1254
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1255 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1256 try:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1257 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1258 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1259 )
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1260 except AttributeError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1261 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1262 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1263 )
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1264
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1265 def ancestor(self, a, b):
22389 94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor' Mads Kiilerich <madski@unity3d.com> parents: 22381 diff changeset	1266 """calculate the "best" common ancestor of nodes a and b"""
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1267
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1268 a, b = self.rev(a), self.rev(b)
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1269 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1270 ancs = self.index.ancestors(a, b)
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1271 except (AttributeError, OverflowError):
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1272 ancs = ancestor.ancestors(self.parentrevs, a, b)
18987 3605d4e7e618 revlog: choose a consistent ancestor when there's a tie Bryan O'Sullivan <bryano@fb.com> parents: 18986 diff changeset	1273 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie Bryan O'Sullivan <bryano@fb.com> parents: 18986 diff changeset	1274 # choose a consistent winner when there's a tie
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1275 return min(map(self.node, ancs))
18987 3605d4e7e618 revlog: choose a consistent ancestor when there's a tie Bryan O'Sullivan <bryano@fb.com> parents: 18986 diff changeset	1276 return nullid
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1277
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1278 def _match(self, id):
16762 93f8b9565257 revlog: don't handle long for revision matching Matt Mackall <mpm@selenic.com> parents: 16686 diff changeset	1279 if isinstance(id, int):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1280 # rev
2641 156fb1feab62 lookup should allow -1 to represent nullid (if passed an int as arg) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 2600 diff changeset	1281 return self.node(id)
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1282 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1283 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1284 # odds of a binary node being all hex in ASCII are 1 in 10**25
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1285 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1286 node = id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1287 self.rev(node) # quick search the index
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1288 return node
39791 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39790 diff changeset	1289 except error.LookupError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1290 pass # may be partial hex id
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1291 try:
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1292 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1293 rev = int(id)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1294 if b"%d" % rev != id:
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1295 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1296 if rev < 0:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1297 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1298 if rev < 0 or rev >= len(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1299 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1300 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	1301 except (ValueError, OverflowError):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1302 pass
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1303 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1304 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1305 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1306 node = bin(id)
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	1307 self.rev(node)
3157 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3156 diff changeset	1308 return node
39791 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39790 diff changeset	1309 except (TypeError, error.LookupError):
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1310 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1311
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1312 def _partialmatch(self, id):
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	1313 # we don't care wdirfilenodeids as they should be always full hash
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1314 maybewdir = wdirhex.startswith(id)
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1315 try:
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1316 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1317 if partial and self.hasnode(partial):
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1318 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1319 # single 'ff...' match in radix tree, ambiguous with wdir
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1320 raise error.RevlogError
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1321 return partial
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1322 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1323 # no 'ff...' match in radix tree, wdir identified
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1324 raise error.WdirUnsupported
19471 fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979) Matt Mackall <mpm@selenic.com> parents: 19326 diff changeset	1325 return None
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1326 except error.RevlogError:
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1327 # parsers.c radix tree lookup gave multiple matches
29396 d0ae5b8f80dc revlog: add a fast path for "ambiguous identifier" Jun Wu <quark@fb.com> parents: 29339 diff changeset	1328 # fast path: for unfiltered changelog, radix tree is accurate
d0ae5b8f80dc revlog: add a fast path for "ambiguous identifier" Jun Wu <quark@fb.com> parents: 29339 diff changeset	1329 if not getattr(self, 'filteredrevs', None):
39790 4a2466b2a434 revlog: drop some more error aliases (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39789 diff changeset	1330 raise error.AmbiguousPrefixLookupError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1331 id, self.indexfile, _(b'ambiguous identifier')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1332 )
19471 fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979) Matt Mackall <mpm@selenic.com> parents: 19326 diff changeset	1333 # fall through to slow path that filters hidden revisions
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1334 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1335 # we are pure python, or key was too short to search radix tree
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1336 pass
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1337
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1338 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1339 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1340
37819 ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids Martin von Zweigbergk <martinvonz@google.com> parents: 37767 diff changeset	1341 if len(id) <= 40:
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1342 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1343 # hex(node)[:...]
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	1344 l = len(id) // 2 # grab an even number of digits
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1345 prefix = bin(id[: l * 2])
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	1346 nl = [e[7] for e in self.index if e[7].startswith(prefix)]
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1347 nl = [
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1348 n for n in nl if hex(n).startswith(id) and self.hasnode(n)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1349 ]
39224 5517d62c1bcc revlog: fix pure version of _partialmatch() to include nullid Martin von Zweigbergk <martinvonz@google.com> parents: 39190 diff changeset	1350 if nullhex.startswith(id):
5517d62c1bcc revlog: fix pure version of _partialmatch() to include nullid Martin von Zweigbergk <martinvonz@google.com> parents: 39190 diff changeset	1351 nl.append(nullid)
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1352 if len(nl) > 0:
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1353 if len(nl) == 1 and not maybewdir:
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1354 self._pcache[id] = nl[0]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1355 return nl[0]
39790 4a2466b2a434 revlog: drop some more error aliases (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39789 diff changeset	1356 raise error.AmbiguousPrefixLookupError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1357 id, self.indexfile, _(b'ambiguous identifier')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1358 )
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1359 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1360 raise error.WdirUnsupported
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1361 return None
36275 f574cc00831a node: make bin() be a wrapper instead of just an alias Augie Fackler <augie@google.com> parents: 36013 diff changeset	1362 except TypeError:
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1363 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1364
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1365 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1366 """locate a node based on:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1367 - revision number or str(revision number)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1368 - nodeid or subset of hex nodeid
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1369 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1370 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1371 if n is not None:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1372 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1373 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1374 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1375 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1376
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1377 raise error.LookupError(id, self.indexfile, _(b'no match found'))
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1378
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1379 def shortest(self, node, minlength=1):
44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1380 """Find the shortest unambiguous prefix that matches node."""
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1381
37907 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1382 def isvalid(prefix):
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1383 try:
42629 24111fb9a725 lookup: don't use "00changelog.i@None" when lookup of prefix fails Martin von Zweigbergk <martinvonz@google.com> parents: 42567 diff changeset	1384 matchednode = self._partialmatch(prefix)
39836 7a9e2d85f475 revlog: catch more specific exception in shortest() Yuya Nishihara <yuya@tcha.org> parents: 39794 diff changeset	1385 except error.AmbiguousPrefixLookupError:
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1386 return False
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1387 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1388 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1389 return True
42629 24111fb9a725 lookup: don't use "00changelog.i@None" when lookup of prefix fails Martin von Zweigbergk <martinvonz@google.com> parents: 42567 diff changeset	1390 if matchednode is None:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1391 raise error.LookupError(node, self.indexfile, _(b'no node'))
38014 76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid() Martin von Zweigbergk <martinvonz@google.com> parents: 38013 diff changeset	1392 return True
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1393
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1394 def maybewdir(prefix):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1395 return all(c == b'f' for c in pycompat.iterbytestr(prefix))
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1396
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1397 hexnode = hex(node)
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1398
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1399 def disambiguate(hexnode, minlength):
38015 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 38014 diff changeset	1400 """Disambiguate against wdirid."""
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1401 for length in range(minlength, 41):
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1402 prefix = hexnode[:length]
38015 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 38014 diff changeset	1403 if not maybewdir(prefix):
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1404 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1405
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1406 if not getattr(self, 'filteredrevs', None):
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1407 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1408 length = max(self.index.shortest(node), minlength)
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1409 return disambiguate(hexnode, length)
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1410 except error.RevlogError:
38013 0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1411 if node != wdirid:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1412 raise error.LookupError(node, self.indexfile, _(b'no node'))
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1413 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1414 # Fall through to pure code
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1415 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1416
38013 0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1417 if node == wdirid:
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1418 for length in range(minlength, 41):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1419 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1420 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1421 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1422
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1423 for length in range(minlength, 41):
37907 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1424 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1425 if isvalid(prefix):
38013 0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1426 return disambiguate(hexnode, length)
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1427
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1428 def cmp(self, node, text):
11539 a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1429 """compare text with a given file revision
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1430
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1431 returns True if text is different than what is stored.
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1432 """
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1433 p1, p2 = self.parents(node)
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	1434 return storageutil.hashrevisionsha1(text, p1, p2) != node
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1435
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1436 def _cachesegment(self, offset, data):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1437 """Add a segment to the revlog cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1438
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1439 Accepts an absolute offset and the data that is at that location.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1440 """
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1441 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1442 # try to add to existing cache
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	1443 if o + len(d) == offset and len(d) + len(data) < _chunksize:
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1444 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1445 else:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1446 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1447
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1448 def _readsegment(self, offset, length, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1449 """Load a segment of raw data from the revlog.
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1450
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1451 Accepts an absolute offset, length to read, and an optional existing
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1452 file handle to read from.
dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1453
dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1454 If an existing file handle is passed, it will be seeked and the
dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1455 original seek position will NOT be restored.
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1456
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1457 Returns a str or buffer of raw byte data.
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1458
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1459 Raises if the requested number of bytes could not be read.
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1460 """
20179 5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB Brodie Rao <brodie@sf.io> parents: 20074 diff changeset	1461 # Cache data both forward and backward around the requested
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB Brodie Rao <brodie@sf.io> parents: 20074 diff changeset	1462 # data, in a fixed size window. This helps speed up operations
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB Brodie Rao <brodie@sf.io> parents: 20074 diff changeset	1463 # involving reading the revlog backwards.
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	1464 cachesize = self._chunkcachesize
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	1465 realoffset = offset & ~(cachesize - 1)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1466 reallength = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1467 (offset + length + cachesize) & ~(cachesize - 1)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1468 ) - realoffset
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1469 with self._datareadfp(df) as df:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1470 df.seek(realoffset)
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1471 d = df.read(reallength)
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1472
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1473 self._cachesegment(realoffset, d)
20179 5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB Brodie Rao <brodie@sf.io> parents: 20074 diff changeset	1474 if offset != realoffset or reallength != length:
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1475 startoffset = offset - realoffset
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1476 if len(d) - startoffset < length:
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1477 raise error.RevlogError(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1478 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1479 b'partial read of revlog %s; expected %d bytes from '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1480 b'offset %d, got %d'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1481 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1482 % (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1483 self.indexfile if self._inline else self.datafile,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1484 length,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1485 realoffset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1486 len(d) - startoffset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1487 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1488 )
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1489
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1490 return util.buffer(d, startoffset, length)
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1491
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1492 if len(d) < length:
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1493 raise error.RevlogError(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1494 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1495 b'partial read of revlog %s; expected %d bytes from offset '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1496 b'%d, got %d'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1497 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1498 % (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1499 self.indexfile if self._inline else self.datafile,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1500 length,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1501 offset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1502 len(d),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1503 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1504 )
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1505
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1506 return d
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1507
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1508 def _getsegment(self, offset, length, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1509 """Obtain a segment of raw data from the revlog.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1510
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1511 Accepts an absolute offset, length of bytes to obtain, and an
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1512 optional file handle to the already-opened revlog. If the file
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1513 handle is used, it's original seek position will not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1514
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1515 Requests for data may be returned from a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1516
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1517 Returns a str or a buffer instance of raw byte data.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1518 """
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1519 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1520 l = len(d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1521
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1522 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1523 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1524 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1525 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1526 if cachestart == 0 and cacheend == l:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1527 return d # avoid a copy
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	1528 return util.buffer(d, cachestart, cacheend - cachestart)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1529
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1530 return self._readsegment(offset, length, df=df)
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1531
32269 75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs() Gregory Szorc <gregory.szorc@gmail.com> parents: 32267 diff changeset	1532 def _getsegmentforrevs(self, startrev, endrev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1533 """Obtain a segment of raw data corresponding to a range of revisions.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1534
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1535 Accepts the start and end revisions and an optional already-open
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1536 file handle to be used for reading. If the file handle is read, its
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1537 seek position will not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1538
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1539 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1540
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1541 Returns a 2-tuple of (offset, data) for the requested range of
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1542 revisions. Offset is the integer offset from the beginning of the
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1543 revlog and data is a str or buffer of the raw byte data.
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1544
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1545 Callers will need to call ``self.start(rev)`` and ``self.length(rev)``
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1546 to determine where each revision's data begins and ends.
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1547 """
30302 ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1548 # Inlined self.start(startrev) & self.end(endrev) for perf reasons
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1549 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1550 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1551 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1552 start = int(istart[0] >> 16)
30303 1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1553 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1554 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1555 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1556 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1557 end = int(iend[0] >> 16) + iend[1]
30302 ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1558
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1559 if self._inline:
6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1560 start += (startrev + 1) * self._io.size
19714 0e07c0b5fb1c revlog.revision: fix cache preload for inline revlogs Siddharth Agarwal <sid0@fb.com> parents: 19713 diff changeset	1561 end += (endrev + 1) * self._io.size
0e07c0b5fb1c revlog.revision: fix cache preload for inline revlogs Siddharth Agarwal <sid0@fb.com> parents: 19713 diff changeset	1562 length = end - start
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1563
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1564 return start, self._getsegment(start, length, df=df)
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1565
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1566 def _chunk(self, rev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1567 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1568
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1569 Accepts an integer revision and an optional already-open file handle
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1570 to be used for reading. If used, the seek position of the file will not
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1571 be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1572
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1573 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1574 """
32269 75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs() Gregory Szorc <gregory.szorc@gmail.com> parents: 32267 diff changeset	1575 return self.decompress(self._getsegmentforrevs(rev, rev, df=df)[1])
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1576
38644 43d0619cec90 revlog: enforce chunk slicing down to a certain size Boris Feld <boris.feld@octobus.net> parents: 38643 diff changeset	1577 def _chunks(self, revs, df=None, targetsize=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1578 """Obtain decompressed chunks for the specified revisions.
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1579
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1580 Accepts an iterable of numeric revisions that are assumed to be in
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1581 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1582 to be used for reading. If used, the seek position of the file will
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1583 not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1584
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1585 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1586 but is faster.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1587
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1588 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1589 """
19716 e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1590 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1591 return []
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1592 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1593 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1594 inline = self._inline
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1595 iosize = self._io.size
19715 1aab406be57c revlog._chunks: inline getchunk Siddharth Agarwal <sid0@fb.com> parents: 19714 diff changeset	1596 buffer = util.buffer
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1597
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1598 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1599 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1600
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1601 if not self._withsparseread:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1602 slicedchunks = (revs,)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1603 else:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1604 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1605 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1606 )
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1607
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1608 for revschunk in slicedchunks:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1609 firstrev = revschunk[0]
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1610 # Skip trailing revisions with empty diff
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1611 for lastrev in revschunk[::-1]:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1612 if length(lastrev) != 0:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1613 break
34823 7891d243d821 revlog: ignore empty trailing chunks when reading segments Paul Morelle <paul.morelle@octobus.net> parents: 34303 diff changeset	1614
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1615 try:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1616 offset, data = self._getsegmentforrevs(firstrev, lastrev, df=df)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1617 except OverflowError:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1618 # issue4215 - we can't cache a run of chunks greater than
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1619 # 2G on Windows
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1620 return [self._chunk(rev, df=df) for rev in revschunk]
19715 1aab406be57c revlog._chunks: inline getchunk Siddharth Agarwal <sid0@fb.com> parents: 19714 diff changeset	1621
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1622 decomp = self.decompress
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1623 for rev in revschunk:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1624 chunkstart = start(rev)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1625 if inline:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1626 chunkstart += (rev + 1) * iosize
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1627 chunklength = length(rev)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1628 ladd(decomp(buffer(data, chunkstart - offset, chunklength)))
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1629
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1630 return l
14075 bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	1631
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1632 def _chunkclear(self):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1633 """Clear the raw chunk cache."""
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1634 self._chunkcache = (0, b'')
1598 14d1f1868bf6 cleanup of revlog.group when repository is local Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1559 diff changeset	1635
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	1636 def deltaparent(self, rev):
14195 0013d3eeb826 revlog: remove support for parentdelta Sune Foldager <cryo@cyanite.org> parents: 14164 diff changeset	1637 """return deltaparent of the given revision"""
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1638 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1639 if base == rev:
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1640 return nullrev
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1641 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1642 return base
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1643 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1644 return rev - 1
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	1645
39182 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1646 def issnapshot(self, rev):
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1647 """tells whether rev is a snapshot
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1648 """
41089 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1649 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1650 return self.deltaparent(rev) == nullrev
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1651 elif util.safehasattr(self.index, b'issnapshot'):
41089 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1652 # directly assign the method to cache the testing and access
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1653 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1654 return self.issnapshot(rev)
39182 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1655 if rev == nullrev:
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1656 return True
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1657 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1658 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1659 if base == rev:
39182 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1660 return True
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1661 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1662 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1663 p1 = entry[5]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1664 p2 = entry[6]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1665 if base == p1 or base == p2:
39183 f39efa885a6d revlog: also detect intermediate snapshots Paul Morelle <paul.morelle@octobus.net> parents: 39182 diff changeset	1666 return False
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1667 return self.issnapshot(base)
39182 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39180 diff changeset	1668
39185 3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1669 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1670 """number of snapshot in the chain before this one"""
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1671 if not self.issnapshot(rev):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1672 raise error.ProgrammingError(b'revision %d not a snapshot')
39185 3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1673 return len(self._deltachain(rev)[0]) - 1
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1674
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	1675 def revdiff(self, rev1, rev2):
31758 5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1676 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1677
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1678 The delta calculated is in binary form and is intended to be written to
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1679 revlog data directly. So this function needs raw revision data.
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1680 """
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1681 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
31378 b6f5af372c0c revlog: use bytes() instead of str() to get data from memoryview Augie Fackler <augie@google.com> parents: 31366 diff changeset	1682 return bytes(self._chunk(rev2))
5005 72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	1683
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1684 return mdiff.textdiff(self.rawdata(rev1), self.rawdata(rev2))
119 c7a66f9752a4 Add code to retrieve or construct a revlog delta mpm@selenic.com parents: 117 diff changeset	1685
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1686 def _processflags(self, text, flags, operation, raw=False):
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1687 """deprecated entry point to access flag processors"""
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1688 msg = b'_processflag(...) use the specialized variant'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1689 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1690 if raw:
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1691 return text, flagutil.processflagsraw(self, text, flags)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1692 elif operation == b'read':
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1693 return flagutil.processflagsread(self, text, flags)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1694 else: # write operation
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1695 return flagutil.processflagswrite(self, text, flags)
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1696
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1697 def revision(self, nodeorrev, _df=None, raw=False):
16435 df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c) Patrick Mezard <patrick@mezard.eu> parents: 16424 diff changeset	1698 """return an uncompressed revision of a given node or revision
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c) Patrick Mezard <patrick@mezard.eu> parents: 16424 diff changeset	1699 number.
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1700
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1701 _df - an existing file handle to read from. (internal-only)
2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1702 raw - an optional argument specifying if the revision data is to be
2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1703 treated as raw data when applying flag transforms. 'raw' should be set
2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1704 to True when generating changegroups or in debug commands.
16435 df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c) Patrick Mezard <patrick@mezard.eu> parents: 16424 diff changeset	1705 """
42853 f75f47b3ea41 revlog: deprecate the use of `revision(..., raw=True)` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42824 diff changeset	1706 if raw:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1707 msg = (
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1708 b'revlog.revision(..., raw=True) is deprecated, '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1709 b'use revlog.rawdata(...)'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1710 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1711 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1712 return self._revisiondata(nodeorrev, _df, raw=raw)[0]
42735 389233789952 revlog: split a `_revisiondata` method to file `revision` job Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42711 diff changeset	1713
42982 0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1714 def sidedata(self, nodeorrev, _df=None):
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1715 """a map of extra data related to the changeset but not part of the hash
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1716
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1717 This function currently return a dictionary. However, more advanced
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1718 mapping object will likely be used in the future for a more
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1719 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1720 """
42984 9d62f9fa332f revlog: use the new sidedata map return in the sidedata method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42983 diff changeset	1721 return self._revisiondata(nodeorrev, _df)[1]
42982 0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1722
42735 389233789952 revlog: split a `_revisiondata` method to file `revision` job Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42711 diff changeset	1723 def _revisiondata(self, nodeorrev, _df=None, raw=False):
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1724 # deal with <nodeorrev> argument type
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1725 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1726 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1727 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1728 else:
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1729 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1730 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1731
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1732 # fast path the special `nullid` rev
42805 bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42804 diff changeset	1733 if node == nullid:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1734 return b"", {}
42805 bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42804 diff changeset	1735
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1736 # The text as stored inside the revlog. Might be the revision or might
616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1737 # need to be processed to retrieve the revision.
31804 726f24123f02 revlog: avoid applying delta chain on cache hit Jun Wu <quark@fb.com> parents: 31803 diff changeset	1738 rawtext = None
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1739
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1740 rev, rawtext, validated = self._rawtext(node, rev, _df=_df)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1741
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1742 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1743 # if we don't want to process the raw text and that raw
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1744 # text is cached, we can exit early.
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1745 return rawtext, {}
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1746 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1747 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1748 # the revlog's flag for this revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1749 # (usually alter its state or content)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1750 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1751
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1752 if validated and flags == REVIDX_DEFAULT_FLAGS:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1753 # no extra flags set, no flag processor runs, text = rawtext
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1754 return rawtext, {}
35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1755
35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1756 sidedata = {}
42885 4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	1757 if raw:
42994 dff95420480f flagprocessors: make `processflagsraw` a module level function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42993 diff changeset	1758 validatehash = flagutil.processflagsraw(self, rawtext, flags)
42885 4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	1759 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	1760 else:
43034 294afb982a88 sidedata: add a function to read sidedata from revlog raw text Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43030 diff changeset	1761 try:
294afb982a88 sidedata: add a function to read sidedata from revlog raw text Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43030 diff changeset	1762 r = flagutil.processflagsread(self, rawtext, flags)
294afb982a88 sidedata: add a function to read sidedata from revlog raw text Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43030 diff changeset	1763 except error.SidedataHashError as exc:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1764 msg = _(b"integrity check failed on %s:%s sidedata key %d")
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1765 msg %= (self.indexfile, pycompat.bytestr(rev), exc.sidedatakey)
43034 294afb982a88 sidedata: add a function to read sidedata from revlog raw text Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43030 diff changeset	1766 raise error.RevlogError(msg)
42985 a45d670c2bfc flagprocessors: return sidedata map in `_processflagsread` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42984 diff changeset	1767 text, validatehash, sidedata = r
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1768 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1769 self.checkhash(text, node, rev=rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1770 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1771 self._revisioncache = (node, rev, rawtext)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1772
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1773 return text, sidedata
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1774
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1775 def _rawtext(self, node, rev, _df=None):
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1776 """return the possibly unvalidated rawtext for a revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1777
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1778 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1779 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1780
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1781 # revision in the cache (could be useful to apply delta)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1782 cachedrev = None
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1783 # An intermediate text to apply deltas to
42804 2eec53a99ec1 revlog: stop calling `basetext` `rawtext` in _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42803 diff changeset	1784 basetext = None
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1785
616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1786 # Check if we have the entry in cache
616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1787 # The cache entry looks like (node, rev, rawtext)
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	1788 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	1789 if self._revisioncache[0] == node:
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1790 return (rev, self._revisioncache[2], True)
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	1791 cachedrev = self._revisioncache[1]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1792
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1793 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1794 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1795
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1796 chain, stopped = self._deltachain(rev, stoprev=cachedrev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1797 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1798 basetext = self._revisioncache[2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1799
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1800 # drop cache to save memory, the caller is expected to
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1801 # update self._revisioncache after validating the text
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1802 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1803
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1804 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1805 rawsize = self.index[rev][2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1806 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1807 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1809 bins = self._chunks(chain, df=_df, targetsize=targetsize)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1810 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1811 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1812 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1813
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1814 rawtext = mdiff.patches(basetext, bins)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1815 del basetext # let us have a chance to free memory early
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1816 return (rev, rawtext, False)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	1817
42802 ef177c04ac7f revlog: drop silly `raw` parameter to `rawdata` function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42784 diff changeset	1818 def rawdata(self, nodeorrev, _df=None):
42736 415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	1819 """return an uncompressed raw data of a given node or revision number.
415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	1820
415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	1821 _df - an existing file handle to read from. (internal-only)
415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	1822 """
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	1823 return self._revisiondata(nodeorrev, _df, raw=True)[0]
42736 415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	1824
22785 abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1825 def hash(self, text, p1, p2):
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1826 """Compute a node hash.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1827
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1828 Available as a function so that subclasses can replace the hash
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1829 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1830 """
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	1831 return storageutil.hashrevisionsha1(text, p1, p2)
22785 abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1832
30589 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	1833 def checkhash(self, text, node, p1=None, p2=None, rev=None):
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	1834 """Check node hash integrity.
19624 55749cb14d24 revlog: extract 'checkhash' method Wojciech Lopata <lopek@fb.com> parents: 19471 diff changeset	1835
30589 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	1836 Available as a function so that subclasses can extend hash mismatch
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	1837 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	1838 """
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1839 try:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1840 if p1 is None and p2 is None:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1841 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1842 if node != self.hash(text, p1, p2):
40055 801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1843 # Clear the revision cache on hash failure. The revision cache
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1844 # only stores the raw revision and clearing the cache does have
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1845 # the side-effect that we won't have a cache hit when the raw
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1846 # revision data is accessed. But this case should be rare and
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1847 # it is extra work to teach the cache about the hash
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1848 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1849 if self._revisioncache and self._revisioncache[0] == node:
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1850 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	1851
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1852 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1853 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1854 revornode = templatefilters.short(hex(node))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1855 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1856 _(b"integrity check failed on %s:%s")
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1857 % (self.indexfile, pycompat.bytestr(revornode))
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1858 )
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1859 except error.RevlogError:
39884 d269ddbf54f0 storageutil: move _censoredtext() from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39883 diff changeset	1860 if self._censorable and storageutil.iscensoredtext(text):
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1861 raise error.CensoredNodeError(self.indexfile, node, text)
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1862 raise
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1863
36013 9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize' Boris Feld <boris.feld@octobus.net> parents: 36012 diff changeset	1864 def _enforceinlinesize(self, tr, fp=None):
26376 344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1865 """Check if the revlog is too big for inline and convert if so.
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1866
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1867 This should be called after revisions are added to the revlog. If the
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1868 revlog has grown too large to be an inline revlog, it will convert it
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1869 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1870 """
38883 119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index Martin von Zweigbergk <martinvonz@google.com> parents: 38880 diff changeset	1871 tiprev = len(self) - 1
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1872 if (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1873 not self._inline
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1874 or (self.start(tiprev) + self.length(tiprev)) < _maxinline
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1875 ):
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1876 return
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	1877
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1878 trinfo = tr.find(self.indexfile)
8527 f9a80054dd3c use 'x is None' instead of 'x == None' Martin Geisler <mg@lazybytes.net> parents: 8464 diff changeset	1879 if trinfo is None:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1880 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1881 _(b"%s not found in the transaction") % self.indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1882 )
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1883
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1884 trindex = trinfo[2]
24454 59904edf0a5e revlog: make converting from inline to non-line work after a strip Mike Edgar <adgar@google.com> parents: 24444 diff changeset	1885 if trindex is not None:
59904edf0a5e revlog: make converting from inline to non-line work after a strip Mike Edgar <adgar@google.com> parents: 24444 diff changeset	1886 dataoff = self.start(trindex)
59904edf0a5e revlog: make converting from inline to non-line work after a strip Mike Edgar <adgar@google.com> parents: 24444 diff changeset	1887 else:
59904edf0a5e revlog: make converting from inline to non-line work after a strip Mike Edgar <adgar@google.com> parents: 24444 diff changeset	1888 # revlog was stripped at start of transaction, use all leftover data
59904edf0a5e revlog: make converting from inline to non-line work after a strip Mike Edgar <adgar@google.com> parents: 24444 diff changeset	1889 trindex = len(self) - 1
38883 119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index Martin von Zweigbergk <martinvonz@google.com> parents: 38880 diff changeset	1890 dataoff = self.end(tiprev)
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1891
d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1892 tr.add(self.datafile, dataoff)
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	1893
8317 5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	1894 if fp:
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	1895 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	1896 fp.close()
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	1897 # We can't use the cached file handle after close(). So prevent
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	1898 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	1899 self._writinghandles = None
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	1900
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1901 with self._indexfp(b'r') as ifh, self._datafp(b'w') as dfh:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1902 for r in self:
40669 39369475445c revlog: use single file handle when de-inlining revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40512 diff changeset	1903 dfh.write(self._getsegmentforrevs(r, r, df=ifh)[1])
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	1904
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1905 with self._indexfp(b'w') as fp:
36010 0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1906 self.version &= ~FLAG_INLINE_DATA
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1907 self._inline = False
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1908 io = self._io
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1909 for i in self:
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1910 e = io.packentry(self.index[i], self.node, self.version, i)
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1911 fp.write(e)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1912
36010 0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1913 # the temp file replace the real index when we exit the context
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize Boris Feld <boris.feld@octobus.net> parents: 36009 diff changeset	1914 # manager
2084 d66278012853 Chris Mason <mason@suse.com> parents: 2082 diff changeset	1915
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1916 tr.replace(self.indexfile, trindex * self._io.size)
ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1917 self._chunkclear()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	1918
39891 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	1919 def _nodeduplicatecallback(self, transaction, node):
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	1920 """called when trying to add a node already stored.
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	1921 """
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	1922
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1923 def addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1924 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1925 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1926 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1927 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1928 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1929 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1930 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1931 node=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1932 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1933 deltacomputer=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1934 sidedata=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1935 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1936 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1937
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1938 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1939 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1940 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1941 p1, p2 - the parent nodeids of the revision
12012 bade7a9c5c07 revlog: fix docstring Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12011 diff changeset	1942 cachedelta - an optional precomputed delta
19625 6a411a06cb1f revlog: pass node as an argument of addrevision Wojciech Lopata <lopek@fb.com> parents: 19624 diff changeset	1943 node - nodeid of revision; typically node is not specified, and it is
6a411a06cb1f revlog: pass node as an argument of addrevision Wojciech Lopata <lopek@fb.com> parents: 19624 diff changeset	1944 computed by default as hash(text, p1, p2), however subclasses might
6a411a06cb1f revlog: pass node as an argument of addrevision Wojciech Lopata <lopek@fb.com> parents: 19624 diff changeset	1945 use different hashing method (and override checkhash() in such case)
30744 e12c0fa1f65b revlog: pass revlog flags to addrevision Remi Chaintron <remi@fb.com> parents: 30743 diff changeset	1946 flags - the known flags to set on the revision
39357 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	1947 deltacomputer - an optional deltacomputer instance shared between
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	1948 multiple calls
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1949 """
19326 7014526d67a8 revlog: add exception when linkrev == nullrev Durham Goode <durham@fb.com> parents: 19200 diff changeset	1950 if link == nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1951 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1952 _(b"attempted to add linkrev -1 to %s") % self.indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1953 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	1954
42988 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	1955 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	1956 sidedata = {}
43039 7902001aaf41 sidedata: make sure we don't use the flag if there are not sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43038 diff changeset	1957 flags = flags & ~REVIDX_SIDEDATA
43030 827cb4fe62a3 sidedata: introduce a new requirement to protect the feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43027 diff changeset	1958 elif not self.hassidedata:
827cb4fe62a3 sidedata: introduce a new requirement to protect the feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43027 diff changeset	1959 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1960 _(b"trying to add sidedata to a revlog who don't support them")
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1961 )
43038 7bb5a2465501 revlog: add the appropriate flag is sidedata are passed to `addrevision` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43037 diff changeset	1962 else:
7bb5a2465501 revlog: add the appropriate flag is sidedata are passed to `addrevision` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43037 diff changeset	1963 flags \|= REVIDX_SIDEDATA
42988 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	1964
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1965 if flags:
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1966 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1967
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1968 rawtext, validatehash = flagutil.processflagswrite(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1969 self, text, flags, sidedata=sidedata
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1970 )
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1971
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1972 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1973 # cachedelta.
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	1974 if rawtext != text:
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1975 cachedelta = None
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1976
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	1977 if len(rawtext) > _maxentrysize:
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1978 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1979 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1980 b"%s: size of %d bytes exceeds maximum revlog storage of 2GiB"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1981 )
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1982 % (self.indexfile, len(rawtext))
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1983 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	1984
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	1985 node = node or self.hash(rawtext, p1, p2)
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	1986 if node in self.nodemap:
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1987 return node
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	1988
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1989 if validatehash:
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	1990 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	1991
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1992 return self.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1993 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1994 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1995 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1996 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1997 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1998 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1999 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2000 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2001 deltacomputer=deltacomputer,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2002 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2003
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2004 def addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2005 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2006 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2007 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2008 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2009 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2010 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2011 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2012 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2013 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2014 deltacomputer=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2015 ):
32284 3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32269 diff changeset	2016 """add a raw revision with known flags, node and parents
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32269 diff changeset	2017 useful when reusing a revision not stored in this revlog (ex: received
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32269 diff changeset	2018 over wire, or read from an external bundle).
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32269 diff changeset	2019 """
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2020 dfh = None
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2021 if not self._inline:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2022 dfh = self._datafp(b"a+")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2023 ifh = self._indexfp(b"a+")
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2024 try:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2025 return self._addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2026 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2027 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2028 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2029 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2030 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2031 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2032 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2033 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2034 ifh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2035 dfh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2036 deltacomputer=deltacomputer,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2037 )
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2038 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2039 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2040 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2041 ifh.close()
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2042
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2043 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2044 """Generate a possibly-compressed representation of data."""
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2045 if not data:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2046 return b'', data
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2047
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2048 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2049
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2050 if compressed:
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2051 # The revlog compressor added the header in the returned data.
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2052 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2053
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2054 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2055 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2056 return b'u', data
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	2057
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2058 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2059 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2060
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2061 The chunk is expected to begin with a header identifying the
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2062 format type so it can be routed to an appropriate decompressor.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2063 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2064 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2065 return data
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2066
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2067 # Revlogs are read much more frequently than they are written and many
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2068 # chunks only take microseconds to decompress, so performance is
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2069 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2070 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2071 # We can make a few assumptions about revlogs:
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2072 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2073 # 1) the majority of chunks will be compressed (as opposed to inline
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2074 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2075 # 2) decompressing any data will likely by at least 10x slower than
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2076 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2077 # 3) we want to prioritize common and officially supported compression
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2078 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2079 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2080 # It follows that we want to optimize for "decompress compressed data
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2081 # when encoded with common and officially supported compression engines"
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2082 # case over "raw data" and "data encoded by less common or non-official
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2083 # compression engines." That is why we have the inline lookup first
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2084 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2085 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2086 # According to `hg perfrevlogchunks`, this is ~0.5% faster for zlib
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2087 # compressed chunks. And this matters for changelog and manifest reads.
31365 ef6888172437 revlog: extract first byte of revlog with a slice so it's portable Augie Fackler <augie@google.com> parents: 30829 diff changeset	2088 t = data[0:1]
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2089
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2090 if t == b'x':
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2091 try:
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2092 return _zlibdecompress(data)
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2093 except zlib.error as e:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2094 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2095 _(b'revlog decompress error: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2096 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2097 )
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2098 # '\0' is more common than 'u' so it goes first.
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2099 elif t == b'\0':
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2100 return data
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2101 elif t == b'u':
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2102 return util.buffer(data, 1)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2103
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2104 try:
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2105 compressor = self._decompressors[t]
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2106 except KeyError:
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2107 try:
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2108 engine = util.compengines.forrevlogheader(t)
42043 1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41877 diff changeset	2109 compressor = engine.revlogcompressor(self._compengineopts)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2110 self._decompressors[t] = compressor
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2111 except KeyError:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2112 raise error.RevlogError(_(b'unknown compression type %r') % t)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2113
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2114 return compressor.decompress(data)
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2115
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2116 def _addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2117 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2118 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2119 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2120 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2121 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2122 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2123 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2124 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2125 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2126 ifh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2127 dfh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2128 alwayscache=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2129 deltacomputer=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2130 ):
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2131 """internal function to add revisions to the log
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	2132
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2133 see addrevision for argument descriptions.
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2134
ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2135 note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2136
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2137 if "deltacomputer" is not provided or None, a defaultdeltacomputer will
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2138 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2139
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2140 invariants:
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2141 - rawtext is optional (can be None); if not set, cachedelta must be set.
17424 e7cfe3587ea4 fix trivial spelling errors Mads Kiilerich <mads@kiilerich.com> parents: 17150 diff changeset	2142 if both are set, they must correspond to each other.
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2143 """
33956 9180f8f593f3 revlog: abort on attempt to write null revision Martin von Zweigbergk <martinvonz@google.com> parents: 33392 diff changeset	2144 if node == nullid:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2145 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2146 _(b"%s: attempt to add null revision") % self.indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2147 )
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	2148 if node == wdirid or node in wdirfilenodeids:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2149 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2150 _(b"%s: attempt to add wdir revision") % self.indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2151 )
34045 bfb38c5cebf4 revlog: move check for wdir from changelog to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 34044 diff changeset	2152
35635 0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2153 if self._inline:
0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2154 fh = ifh
0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2155 else:
0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2156 fh = dfh
0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2157
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2158 btext = [rawtext]
12623 8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12336 diff changeset	2159
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2160 curr = len(self)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2161 prev = curr - 1
e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2162 offset = self.end(prev)
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	2163 p1r, p2r = self.rev(p1), self.rev(p2)
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	2164
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2165 # full versions are inserted when the needed deltas
562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2166 # become comparable to the uncompressed text
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2167 if rawtext is None:
35841 369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta Jun Wu <quark@fb.com> parents: 35840 diff changeset	2168 # need rawtext size, before changed by flag processors, which is
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta Jun Wu <quark@fb.com> parents: 35840 diff changeset	2169 # the non-raw size. use revlog explicitly to avoid filelog's extra
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta Jun Wu <quark@fb.com> parents: 35840 diff changeset	2170 # logic that might remove metadata size.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2171 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2172 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2173 )
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2174 else:
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2175 textlen = len(rawtext)
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2176
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2177 if deltacomputer is None:
39357 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	2178 deltacomputer = deltautil.deltacomputer(self)
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2179
35737 d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision Paul Morelle <paul.morelle@octobus.net> parents: 35641 diff changeset	2180 revinfo = _revisioninfo(node, p1, p2, btext, textlen, cachedelta, flags)
35840 33275ab5e837 revlog: do not use delta for lfs revisions Jun Wu <quark@fb.com> parents: 35839 diff changeset	2181
39359 6f4b8f607a31 revlogdeltas: move special cases around raw revisions in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39357 diff changeset	2182 deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
35634 b43578ec483a revlog: refactor out the selection of candidate revisions Paul Morelle <paul.morelle@octobus.net> parents: 35525 diff changeset	2183
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2184 e = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2185 offset_type(offset, flags),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2186 deltainfo.deltalen,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2187 textlen,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2188 deltainfo.base,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2189 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2190 p1r,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2191 p2r,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2192 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2193 )
38889 6104b203bec8 index: replace insert(-1, e) method by append(e) method Martin von Zweigbergk <martinvonz@google.com> parents: 38888 diff changeset	2194 self.index.append(e)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2195 self.nodemap[node] = curr
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	2196
40180 ba70e3acf58a revlog: update pure nodecache start lookup offset on insertion Gregory Szorc <gregory.szorc@gmail.com> parents: 40152 diff changeset	2197 # Reset the pure node cache start lookup offset to account for new
ba70e3acf58a revlog: update pure nodecache start lookup offset on insertion Gregory Szorc <gregory.szorc@gmail.com> parents: 40152 diff changeset	2198 # revision.
ba70e3acf58a revlog: update pure nodecache start lookup offset on insertion Gregory Szorc <gregory.szorc@gmail.com> parents: 40152 diff changeset	2199 if self._nodepos is not None:
ba70e3acf58a revlog: update pure nodecache start lookup offset on insertion Gregory Szorc <gregory.szorc@gmail.com> parents: 40152 diff changeset	2200 self._nodepos = curr
ba70e3acf58a revlog: update pure nodecache start lookup offset on insertion Gregory Szorc <gregory.szorc@gmail.com> parents: 40152 diff changeset	2201
5338 f87685355c9c revlog: fix revlogio.packentry corner case Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5325 diff changeset	2202 entry = self._io.packentry(e, self.node, self.version, curr)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2203 self._writeentry(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2204 transaction, ifh, dfh, entry, deltainfo.data, link, offset
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2205 )
39360 5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2206
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2207 rawtext = btext[0]
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2208
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2209 if alwayscache and rawtext is None:
39225 dbc5ead9f40f revlog: fix typo in 'buildtext' name Boris Feld <boris.feld@octobus.net> parents: 39224 diff changeset	2210 rawtext = deltacomputer.buildtext(revinfo, fh)
26243 836291420d53 revlog: optionally cache the full text when adding revisions Gregory Szorc <gregory.szorc@gmail.com> parents: 26242 diff changeset	2211
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2212 if type(rawtext) == bytes: # only accept immutable objects
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	2213 self._revisioncache = (node, curr, rawtext)
39360 5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2214 self._chainbasecache[curr] = deltainfo.chainbase
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2215 return node
33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2216
33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2217 def _writeentry(self, transaction, ifh, dfh, entry, data, link, offset):
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2218 # Files opened in a+ mode have inconsistent behavior on various
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2219 # platforms. Windows requires that a file positioning call be made
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2220 # when the file handle transitions between reads and writes. See
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2221 # 3686fa2b8eee and the mixedfilemodewrapper in windows.py. On other
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2222 # platforms, Python or the platform itself can be buggy. Some versions
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2223 # of Solaris have been observed to not append at the end of the file
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2224 # if the file was seeked to before the end. See issue4943 for more.
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2225 #
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2226 # We work around this issue by inserting a seek() before writing.
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2227 # Note: This is likely not necessary on Python 3. However, because
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2228 # the file handle is reused for reads and may be seeked there, we need
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2229 # to be careful before changing this.
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2230 ifh.seek(0, os.SEEK_END)
27441 e47841c8343d revlog: fix bad indentation (replace tab by space) Martin von Zweigbergk <martinvonz@google.com> parents: 27430 diff changeset	2231 if dfh:
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2232 dfh.seek(0, os.SEEK_END)
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2233
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2234 curr = len(self) - 1
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2235 if not self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2236 transaction.add(self.datafile, offset)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2237 transaction.add(self.indexfile, curr * len(entry))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2238 if data[0]:
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2239 dfh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2240 dfh.write(data[1])
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2241 ifh.write(entry)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2242 else:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	2243 offset += curr * self._io.size
5324 8409a2e3a78d revlog: fix inlined revision transaction extra data (issue 749) Patrick Mezard <pmezard@gmail.com> parents: 5007 diff changeset	2244 transaction.add(self.indexfile, offset, curr)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2245 ifh.write(entry)
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2246 ifh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2247 ifh.write(data[1])
36013 9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize' Boris Feld <boris.feld@octobus.net> parents: 36012 diff changeset	2248 self._enforceinlinesize(transaction, ifh)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2249
34298 1db9abf407c5 revlog: add revmap back to revlog.addgroup Durham Goode <durham@fb.com> parents: 34257 diff changeset	2250 def addgroup(self, deltas, linkmapper, transaction, addrevisioncb=None):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2251 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2252 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2253
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2254 given a set of deltas, add them to the revision log. the
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2255 first delta is against its parent, which should be in our
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2256 log, the rest are against the previous delta.
25822 00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2257
00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2258 If ``addrevisioncb`` is defined, it will be called with arguments of
00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2259 this revlog and the node that was added.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2260 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2261
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2262 if self._writinghandles:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2263 raise error.ProgrammingError(b'cannot nest addgroup() calls')
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2264
32886 ef015ba5ba2e revlog: rename list of nodes from "content" to "nodes" Martin von Zweigbergk <martinvonz@google.com> parents: 32885 diff changeset	2265 nodes = []
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	2266
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	2267 r = len(self)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	2268 end = 0
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2269 if r:
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	2270 end = self.end(r - 1)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2271 ifh = self._indexfp(b"a+")
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	2272 isize = r * self._io.size
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2273 if self._inline:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	2274 transaction.add(self.indexfile, end + isize, r)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2275 dfh = None
1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2276 else:
4996 a0d37976cd5b revlog: avoid some unnecessary seek/tell syscalls Matt Mackall <mpm@selenic.com> parents: 4994 diff changeset	2277 transaction.add(self.indexfile, isize, r)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2278 transaction.add(self.datafile, end)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2279 dfh = self._datafp(b"a+")
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2280
24255 4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2281 def flush():
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2282 if dfh:
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2283 dfh.flush()
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2284 ifh.flush()
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2285
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2286 self._writinghandles = (ifh, dfh)
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2287
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2288 try:
39357 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	2289 deltacomputer = deltautil.deltacomputer(self)
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2290 # loop through our set of deltas
34160 c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup Durham Goode <durham@fb.com> parents: 34159 diff changeset	2291 for data in deltas:
34298 1db9abf407c5 revlog: add revmap back to revlog.addgroup Durham Goode <durham@fb.com> parents: 34257 diff changeset	2292 node, p1, p2, linknode, deltabase, delta, flags = data
1db9abf407c5 revlog: add revmap back to revlog.addgroup Durham Goode <durham@fb.com> parents: 34257 diff changeset	2293 link = linkmapper(linknode)
34160 c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup Durham Goode <durham@fb.com> parents: 34159 diff changeset	2294 flags = flags or REVIDX_DEFAULT_FLAGS
12336 9d234f7d8a77 bundle: move chunk parsing into unbundle class Matt Mackall <mpm@selenic.com> parents: 12335 diff changeset	2295
32886 ef015ba5ba2e revlog: rename list of nodes from "content" to "nodes" Martin von Zweigbergk <martinvonz@google.com> parents: 32885 diff changeset	2296 nodes.append(node)
15890 e234eda20984 revlog: make addgroup returns a list of node contained in the added source Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15835 diff changeset	2297
14196 e7483ec3c374 revlog: remove support for punched/shallow Sune Foldager <cryo@cyanite.org> parents: 14195 diff changeset	2298 if node in self.nodemap:
39891 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	2299 self._nodeduplicatecallback(transaction, node)
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2300 # this can happen if two branches make the same change
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2301 continue
192 5d8553352d2e Changes to network protocol mpm@selenic.com parents: 155 diff changeset	2302
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2303 for p in (p1, p2):
16686 67964cda8701 cleanup: "not x in y" -> "x not in y" Brodie Rao <brodie@sf.io> parents: 16665 diff changeset	2304 if p not in self.nodemap:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2305 raise error.LookupError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2306 p, self.indexfile, _(b'unknown parent')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2307 )
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2308
14141 bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	2309 if deltabase not in self.nodemap:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2310 raise error.LookupError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2311 deltabase, self.indexfile, _(b'unknown delta base')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2312 )
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2313
14141 bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 14075 diff changeset	2314 baserev = self.rev(deltabase)
24120 a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2315
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2316 if baserev != nullrev and self.iscensored(baserev):
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2317 # if base is censored, delta must be full replacement in a
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2318 # single patch operation
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2319 hlen = struct.calcsize(b">lll")
24120 a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2320 oldlen = self.rawsize(baserev)
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2321 newlen = len(delta) - hlen
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2322 if delta[:hlen] != mdiff.replacediffheader(oldlen, newlen):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2323 raise error.CensoredBaseError(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2324 self.indexfile, self.node(baserev)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2325 )
24120 a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2326
27433 12f727a5b434 changegroup: add flags field to cg3 delta header Mike Edgar <adgar@google.com> parents: 27431 diff changeset	2327 if not flags and self._peek_iscensored(baserev, delta, flush):
24255 4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2328 flags \|= REVIDX_ISCENSORED
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2329
26243 836291420d53 revlog: optionally cache the full text when adding revisions Gregory Szorc <gregory.szorc@gmail.com> parents: 26242 diff changeset	2330 # We assume consumers of addrevisioncb will want to retrieve
836291420d53 revlog: optionally cache the full text when adding revisions Gregory Szorc <gregory.szorc@gmail.com> parents: 26242 diff changeset	2331 # the added revision, which will require a call to
836291420d53 revlog: optionally cache the full text when adding revisions Gregory Szorc <gregory.szorc@gmail.com> parents: 26242 diff changeset	2332 # revision(). revision() will fast path if there is a cache
836291420d53 revlog: optionally cache the full text when adding revisions Gregory Szorc <gregory.szorc@gmail.com> parents: 26242 diff changeset	2333 # hit. So, we tell _addrevision() to always cache in this case.
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	2334 # We're only using addgroup() in the context of changegroup
2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	2335 # generation so the revision data can always be handled as raw
2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	2336 # by the flagprocessor.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2337 self._addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2338 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2339 None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2340 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2341 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2342 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2343 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2344 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2345 (baserev, delta),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2346 ifh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2347 dfh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2348 alwayscache=bool(addrevisioncb),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2349 deltacomputer=deltacomputer,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2350 )
25822 00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2351
00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2352 if addrevisioncb:
34159 b96cfc309ac5 revlog: refactor chain variable Durham Goode <durham@fb.com> parents: 34045 diff changeset	2353 addrevisioncb(self, node)
25822 00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2354
12624 557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	2355 if not dfh and not self._inline:
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	2356 # addrevision switched from inline to conventional
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12623 diff changeset	2357 # reopen the index
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	2358 ifh.close()
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2359 dfh = self._datafp(b"a+")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2360 ifh = self._indexfp(b"a+")
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2361 self._writinghandles = (ifh, dfh)
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2362 finally:
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2363 self._writinghandles = None
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2364
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2365 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2366 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2367 ifh.close()
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2368
32886 ef015ba5ba2e revlog: rename list of nodes from "content" to "nodes" Martin von Zweigbergk <martinvonz@google.com> parents: 32885 diff changeset	2369 return nodes
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2370
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2371 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2372 """Check if a file revision is censored."""
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2373 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2374 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2375
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2376 return self.flags(rev) & REVIDX_ISCENSORED
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2377
24255 4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2378 def _peek_iscensored(self, baserev, delta, flush):
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2379 """Quickly check if a delta produces a censored revision."""
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2380 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2381 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2382
40325 b0fbd1792e2d storageutil: extract most of peek_censored from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40298 diff changeset	2383 return storageutil.deltaiscensored(delta, baserev, self.rawsize)
24255 4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2384
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2385 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2386 """find the minimum rev that must be stripped to strip the linkrev
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2387
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2388 Returns a tuple containing the minimum rev and a set of all revs that
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2389 have linkrevs that will be broken by this strip.
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2390 """
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2391 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2392 minlink,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2393 len(self) - 1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2394 self.headrevs(),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2395 self.linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2396 self.parentrevs,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2397 )
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2398
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	2399 def strip(self, minlink, transaction):
5910 b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2400 """truncate the revlog on the first revision with a linkrev >= minlink
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2401
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2402 This function is called when we're stripping revision minlink and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2403 its descendants from the repository.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2404
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2405 We have to remove all revisions with linkrev >= minlink, because
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2406 the equivalent changelog revisions will be renumbered after the
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2407 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2408
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2409 So we truncate the revlog on the first of these revisions, and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2410 trust that the caller has saved the revisions that shouldn't be
15827 1dacf7672556 revlog: clarify strip docstring "readd" -> "re-add" Steven Brown <StevenGBrown@gmail.com> parents: 15407 diff changeset	2411 removed and that it'll re-add them after this truncation.
5910 b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2412 """
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2413 if len(self) == 0:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2414 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2415
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2416 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2417 if rev == len(self):
5909 f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5659 diff changeset	2418 return
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2419
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2420 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2421 end = self.start(rev)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2422 if not self._inline:
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	2423 transaction.add(self.datafile, end)
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	2424 end = rev * self._io.size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2425 else:
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	2426 end += rev * self._io.size
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	2427
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	2428 transaction.add(self.indexfile, end)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2429
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2430 # then reset internal state in memory to forget those revisions
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	2431 self._revisioncache = None
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	2432 self._chaininfocache = {}
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	2433 self._chunkclear()
38823 e7aa113b14f7 global: use pycompat.xrange() Gregory Szorc <gregory.szorc@gmail.com> parents: 38818 diff changeset	2434 for x in pycompat.xrange(rev, len(self)):
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	2435 del self.nodemap[self.node(x)]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2436
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	2437 del self.index[rev:-1]
37494 1ce7a55b09d1 revlog: reset _nodepos after strip Joerg Sonnenberger <joerg@bec.de> parents: 37449 diff changeset	2438 self._nodepos = None
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2439
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2440 def checksize(self):
41877 3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2441 """Check size of index and data files
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2442
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2443 return a (dd, di) tuple.
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2444 - dd: extra bytes for the "data" file
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2445 - di: extra bytes for the "index" file
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2446
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2447 A healthy revlog will return (0, 0).
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2448 """
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2449 expected = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2450 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2451 expected = max(0, self.end(len(self) - 1))
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2452
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	2453 try:
36011 82afb1a5ed94 revlog: use context manager for data file lifetime in checksize Boris Feld <boris.feld@octobus.net> parents: 36010 diff changeset	2454 with self._datafp() as f:
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42478 diff changeset	2455 f.seek(0, io.SEEK_END)
36011 82afb1a5ed94 revlog: use context manager for data file lifetime in checksize Boris Feld <boris.feld@octobus.net> parents: 36010 diff changeset	2456 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2457 dd = actual - expected
25660 328739ea70c3 global: mass rewrite to use modern exception syntax Gregory Szorc <gregory.szorc@gmail.com> parents: 25459 diff changeset	2458 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2459 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2460 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2461 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2462
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2463 try:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2464 f = self.opener(self.indexfile)
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42478 diff changeset	2465 f.seek(0, io.SEEK_END)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2466 actual = f.tell()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	2467 f.close()
4977 6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally Matt Mackall <mpm@selenic.com> parents: 4976 diff changeset	2468 s = self._io.size
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	2469 i = max(0, actual // s)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2470 di = actual - (i * s)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2471 if self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2472 databytes = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2473 for r in self:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	2474 databytes += max(0, self.length(r))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2475 dd = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2476 di = actual - len(self) * s - databytes
25660 328739ea70c3 global: mass rewrite to use modern exception syntax Gregory Szorc <gregory.szorc@gmail.com> parents: 25459 diff changeset	2477 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2478 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2479 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2480 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2481
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2482 return (dd, di)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2483
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2484 def files(self):
10282 08a0f04b56bd many, many trivial check-code fixups Matt Mackall <mpm@selenic.com> parents: 10264 diff changeset	2485 res = [self.indexfile]
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2486 if not self._inline:
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2487 res.append(self.datafile)
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2488 return res
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2489
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2490 def emitrevisions(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2491 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2492 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2493 nodesorder=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2494 revisiondata=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2495 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2496 deltamode=repository.CG_DELTAMODE_STD,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2497 ):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2498 if nodesorder not in (b'nodes', b'storage', b'linear', None):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2499 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2500 b'unhandled value for nodesorder: %s' % nodesorder
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2501 )
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2502
5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2503 if nodesorder is None and not self._generaldelta:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2504 nodesorder = b'storage'
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2505
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2506 if (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2507 not self._storedeltachains
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2508 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2509 ):
40495 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2510 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2511
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2512 return storageutil.emitrevisions(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2513 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2514 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2515 nodesorder,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2516 revlogrevisiondelta,
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2517 deltaparentfn=self.deltaparent,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2518 candeltafn=self.candelta,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2519 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2520 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2521 flagsfn=self.flags,
40495 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2522 deltamode=deltamode,
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2523 revisiondata=revisiondata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2524 assumehaveparentrevisions=assumehaveparentrevisions,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2525 )
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2526
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2527 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2528 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2529 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2530
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2531 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2532
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2533 DELTAREUSEALL = {b'always', b'samerevs', b'never', b'fulladd'}
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2534
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2535 def clone(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2536 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2537 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2538 destrevlog,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2539 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2540 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2541 forcedeltabothparents=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2542 ):
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2543 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2544
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2545 The destination revlog will contain the same revisions and nodes.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2546 However, it may not be bit-for-bit identical due to e.g. delta encoding
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2547 differences.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2548
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2549 The ``deltareuse`` argument control how deltas from the existing revlog
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2550 are preserved in the destination revlog. The argument can have the
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2551 following values:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2552
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2553 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2554 Deltas will always be reused (if possible), even if the destination
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2555 revlog would not select the same revisions for the delta. This is the
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2556 fastest mode of operation.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2557 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2558 Deltas will be reused if the destination revlog would pick the same
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2559 revisions for the delta. This mode strikes a balance between speed
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2560 and optimization.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2561 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2562 Deltas will never be reused. This is the slowest mode of execution.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2563 This mode can be used to recompute deltas (e.g. if the diff/delta
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2564 algorithm changes).
42999 6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	2565 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	2566 Revision will be re-added as if their were new content. This is
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	2567 slower than DELTAREUSEALWAYS but allow more mechanism to kicks in.
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	2568 eg: large file detection and handling.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2569
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2570 Delta computation can be slow, so the choice of delta reuse policy can
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2571 significantly affect run time.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2572
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2573 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2574 two extremes. Deltas will be reused if they are appropriate. But if the
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2575 delta could choose a better revision, it will do so. This means if you
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2576 are converting a non-generaldelta revlog to a generaldelta revlog,
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2577 deltas will be recomputed if the delta's parent isn't a parent of the
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2578 revision.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2579
40855 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	2580 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	2581 argument controls whether to force compute deltas against both parents
64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	2582 for merges. By default, the current default is used.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2583 """
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2584 if deltareuse not in self.DELTAREUSEALL:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2585 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2586 _(b'value for deltareuse invalid: %s') % deltareuse
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2587 )
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2588
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2589 if len(destrevlog):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2590 raise ValueError(_(b'destination revlog is not empty'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2591
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2592 if getattr(self, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2593 raise ValueError(_(b'source revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2594 if getattr(destrevlog, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2595 raise ValueError(_(b'destination revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2596
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2597 # lazydelta and lazydeltabase controls whether to reuse a cached delta,
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2598 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2599 oldlazydelta = destrevlog._lazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2600 oldlazydeltabase = destrevlog._lazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	2601 oldamd = destrevlog._deltabothparents
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2602
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2603 try:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2604 if deltareuse == self.DELTAREUSEALWAYS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2605 destrevlog._lazydeltabase = True
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2606 destrevlog._lazydelta = True
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2607 elif deltareuse == self.DELTAREUSESAMEREVS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2608 destrevlog._lazydeltabase = False
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2609 destrevlog._lazydelta = True
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2610 elif deltareuse == self.DELTAREUSENEVER:
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2611 destrevlog._lazydeltabase = False
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2612 destrevlog._lazydelta = False
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2613
40855 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	2614 destrevlog._deltabothparents = forcedeltabothparents or oldamd
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2615
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2616 self._clone(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2617 tr, destrevlog, addrevisioncb, deltareuse, forcedeltabothparents
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2618 )
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2619
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2620 finally:
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	2621 destrevlog._lazydelta = oldlazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2622 destrevlog._lazydeltabase = oldlazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	2623 destrevlog._deltabothparents = oldamd
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2624
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2625 def _clone(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2626 self, tr, destrevlog, addrevisioncb, deltareuse, forcedeltabothparents
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2627 ):
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2628 """perform the core duty of `revlog.clone` after parameter processing"""
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2629 deltacomputer = deltautil.deltacomputer(destrevlog)
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2630 index = self.index
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2631 for rev in self:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2632 entry = index[rev]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2633
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2634 # Some classes override linkrev to take filtered revs into
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2635 # account. Use raw entry from index.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2636 flags = entry[0] & 0xFFFF
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2637 linkrev = entry[4]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2638 p1 = index[entry[5]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2639 p2 = index[entry[6]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2640 node = entry[7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2641
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2642 # (Possibly) reuse the delta from the revlog if allowed and
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2643 # the revlog chunk is a delta.
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2644 cachedelta = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2645 rawtext = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2646 if deltareuse == self.DELTAREUSEFULLADD:
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2647 text = self.revision(rev)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2648 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2649 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2650 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2651 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2652 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2653 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2654 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2655 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2656 flags=flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2657 deltacomputer=deltacomputer,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2658 )
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2659 else:
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2660 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2661 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2662 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2663 cachedelta = (dp, bytes(self._chunk(rev)))
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2664
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2665 if not cachedelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2666 rawtext = self.rawdata(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	2667
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2668 ifh = destrevlog.opener(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2669 destrevlog.indexfile, b'a+', checkambig=False
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2670 )
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2671 dfh = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2672 if not destrevlog._inline:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2673 dfh = destrevlog.opener(destrevlog.datafile, b'a+')
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2674 try:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2675 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2676 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2677 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2678 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2679 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2680 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2681 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2682 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2683 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2684 ifh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2685 dfh,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2686 deltacomputer=deltacomputer,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2687 )
42998 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2688 finally:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2689 if dfh:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2690 dfh.close()
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2691 ifh.close()
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2692
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2693 if addrevisioncb:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2694 addrevisioncb(self, rev, node)
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	2695
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2696 def censorrevision(self, tr, censornode, tombstone=b''):
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2697 if (self.version & 0xFFFF) == REVLOGV0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2698 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2699 _(b'cannot censor with version %d revlogs') % self.version
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2700 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2701
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2702 censorrev = self.rev(censornode)
39883 3e896b51aa5d storageutil: move metadata parsing and packing from revlog (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39882 diff changeset	2703 tombstone = storageutil.packmeta({b'censored': tombstone}, b'')
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2704
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2705 if len(tombstone) > self.rawsize(censorrev):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2706 raise error.Abort(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2707 _(b'censor tombstone must be no longer than ' b'censored data')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2708 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2709
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2710 # Rewriting the revlog in place is hard. Our strategy for censoring is
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2711 # to create a new revlog, copy all revisions to it, then replace the
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2712 # revlogs on transaction close.
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2713
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2714 newindexfile = self.indexfile + b'.tmpcensored'
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2715 newdatafile = self.datafile + b'.tmpcensored'
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2716
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2717 # This is a bit dangerous. We could easily have a mismatch of state.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2718 newrl = revlog(self.opener, newindexfile, newdatafile, censorable=True)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2719 newrl.version = self.version
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2720 newrl._generaldelta = self._generaldelta
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2721 newrl._io = self._io
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2722
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2723 for rev in self.revs():
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2724 node = self.node(rev)
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2725 p1, p2 = self.parents(node)
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2726
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2727 if rev == censorrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2728 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2729 tombstone,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2730 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2731 self.linkrev(censorrev),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2732 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2733 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2734 censornode,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2735 REVIDX_ISCENSORED,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2736 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2737
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2738 if newrl.deltaparent(rev) != nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2739 raise error.Abort(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2740 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2741 b'censored revision stored as delta; '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2742 b'cannot censor'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2743 ),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2744 hint=_(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2745 b'censoring of revlogs is not '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2746 b'fully implemented; please report '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2747 b'this bug'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2748 ),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2749 )
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2750 continue
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2751
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2752 if self.iscensored(rev):
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2753 if self.deltaparent(rev) != nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2754 raise error.Abort(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2755 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2756 b'cannot censor due to censored '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2757 b'revision having delta stored'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2758 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2759 )
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2760 rawtext = self._chunk(rev)
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2761 else:
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	2762 rawtext = self.rawdata(rev)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2763
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2764 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2765 rawtext, tr, self.linkrev(rev), p1, p2, node, self.flags(rev)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2766 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	2767
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2768 tr.addbackup(self.indexfile, location=b'store')
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2769 if not self._inline:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2770 tr.addbackup(self.datafile, location=b'store')
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2771
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2772 self.opener.rename(newrl.indexfile, self.indexfile)
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2773 if not self._inline:
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2774 self.opener.rename(newrl.datafile, self.datafile)
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2775
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	2776 self.clearcaches()
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	2777 self._loadindex()
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2778
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2779 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2780 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2781
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2782 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2783 found.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2784 """
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2785 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2786 if dd:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2787 yield revlogproblem(error=_(b'data length off by %d bytes') % dd)
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2788 if di:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2789 yield revlogproblem(error=_(b'index contains %d extra bytes') % di)
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	2790
39850 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	2791 version = self.version & 0xFFFF
e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	2792
e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	2793 # The verifier tells us what version revlog we should be.
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2794 if version != state[b'expectedversion']:
39850 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	2795 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2796 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2797 % (self.indexfile, version, state[b'expectedversion'])
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2798 )
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2799
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2800 state[b'skipread'] = set()
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2801
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2802 for rev in self:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2803 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2804
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2805 # Verify contents. 4 cases to care about:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2806 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2807 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2808 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2809 # meta: file content starts with b'\1\n', the metadata
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2810 # header defined in filelog.py, but without a rename
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2811 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2812 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2813 # More formally, their differences are shown below:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2814 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2815 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2816 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2817 # flags() \| 0 \| 0 \| 0 \| not 0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2818 # renamed() \| False \| True \| False \| ?
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2819 # rawtext[0:2]=='\1\n'\| False \| True \| True \| ?
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2820 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2821 # "rawtext" means the raw text stored in revlog data, which
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	2822 # could be retrieved by "rawdata(rev)". "text"
5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	2823 # mentioned below is "revision(rev)".
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2824 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2825 # There are 3 different lengths stored physically:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2826 # 1. L1: rawsize, stored in revlog index
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2827 # 2. L2: len(rawtext), stored in revlog data
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2828 # 3. L3: len(text), stored in revlog data if flags==0, or
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2829 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2830 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2831 # L1 should be equal to L2. L3 could be different from them.
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2832 # "text" may or may not affect commit hash depending on flag
42749 6d61be152c55 flagutil: move addflagprocessor to the new module (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42748 diff changeset	2833 # processors (see flagutil.addflagprocessor).
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2834 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2835 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2836 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2837 # rawsize() \| L1 \| L1 \| L1 \| L1
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2838 # size() \| L1 \| L2-LM \| L1(*) \| L1 (?)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2839 # len(rawtext) \| L2 \| L2 \| L2 \| L2
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2840 # len(text) \| L2 \| L2 \| L2 \| L3
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2841 # len(read()) \| L2 \| L2-LM \| L2-LM \| L3 (?)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2842 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2843 # LM: length of metadata, depending on rawtext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2844 # (*): not ideal, see comment in filelog.size
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2845 # (?): could be "- len(meta)" if the resolved content has
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2846 # rename metadata
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2847 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2848 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2849 # 1. length check: L1 == L2, in all cases.
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2850 # 2. hash check: depending on flag processor, we may need to
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2851 # use either "text" (external), or "rawtext" (in revlog).
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2852
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2853 try:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2854 skipflags = state.get(b'skipflags', 0)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2855 if skipflags:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2856 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2857
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2858 if skipflags:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2859 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2860 else:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2861 # Side-effect: read content and verify hash.
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2862 self.revision(node)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2863
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2864 l1 = self.rawsize(rev)
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	2865 l2 = len(self.rawdata(node))
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2866
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2867 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2868 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2869 error=_(b'unpacked size is %d, %d expected') % (l2, l1),
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2870 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2871 )
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2872
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2873 except error.CensoredNodeError:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2874 if state[b'erroroncensored']:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2875 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2876 error=_(b'censored file data'), node=node
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2877 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2878 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2879 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2880 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2881 error=_(b'unpacking %s: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2882 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2883 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2884 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2885 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	2886
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2887 def storageinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2888 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2889 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2890 sharedfiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2891 revisionscount=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2892 trackedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2893 storedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2894 ):
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2895 d = {}
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2896
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2897 if exclusivefiles:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2898 d[b'exclusivefiles'] = [(self.opener, self.indexfile)]
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2899 if not self._inline:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2900 d[b'exclusivefiles'].append((self.opener, self.datafile))
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2901
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2902 if sharedfiles:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2903 d[b'sharedfiles'] = []
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2904
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2905 if revisionscount:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2906 d[b'revisionscount'] = len(self)
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2907
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2908 if trackedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2909 d[b'trackedsize'] = sum(map(self.rawsize, iter(self)))
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2910
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2911 if storedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2912 d[b'storedsize'] = sum(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2913 self.opener.stat(path).st_size for path in self.files()
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2914 )
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2915
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	2916 return d

Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/revlog.py @ 43077:687b865b95ad