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

annotate mercurial/revlog.py @ 47280:6be2a7ca4b1d

revlog: do not call Rust code if the index is not compatible with it This will avoid hitting the TypeError we defined in the previous changesets. This is the simplest fix but not the most elegant. Ideally we would teach the Rust code to use any kind of revlog. However this is an adventure for another time. Differential Revision: https://phab.mercurial-scm.org/D10666

author	Pierre-Yves David <pierre-yves.david@octobus.net>
date	Tue, 04 May 2021 14:18:06 +0200
parents	921648d31553
children	25ce16bf724b

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 #
46819 d4ba4d51f85f contributor: change mentions of mpm to olivia Rapha?l Gom?s <rgomes@octobus.net> parents: 46807 diff changeset	3 # Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
8226 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
46852 fbfb1d6d8459 revlog: fix error about unknown compression format in py3 Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 46819 diff changeset	16 import binascii
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	17 import collections
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	18 import contextlib
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	19 import errno
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42478 diff changeset	20 import io
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	21 import os
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	22 import struct
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	23 import zlib
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	24
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	25 # 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	26 from .node import (
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	27 bin,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	28 hex,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	29 nullrev,
46793 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	30 sha1nodeconstants,
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	31 short,
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	32 wdirrev,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	33 )
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	34 from .i18n import _
43089 c59eb1560c44 py3: manually import getattr where it is needed Gregory Szorc <gregory.szorc@gmail.com> parents: 43077 diff changeset	35 from .pycompat import getattr
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	36 from .revlogutils.constants import (
47089 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	37 ALL_KINDS,
47277 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47274 diff changeset	38 CHANGELOGV2,
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	39 COMP_MODE_DEFAULT,
47260 130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	40 COMP_MODE_INLINE,
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	41 COMP_MODE_PLAIN,
47242 4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	42 FEATURES_BY_VERSION,
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	43 FLAG_GENERALDELTA,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	44 FLAG_INLINE_DATA,
46859 c6e23fb4bfb4 revlog: move the "index header" struct inside revlog.utils.constants Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46858 diff changeset	45 INDEX_HEADER,
47274 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47272 diff changeset	46 KIND_CHANGELOG,
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	47 REVLOGV0,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	48 REVLOGV1,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	49 REVLOGV1_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	50 REVLOGV2,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	51 REVLOGV2_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	52 REVLOG_DEFAULT_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	53 REVLOG_DEFAULT_FORMAT,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	54 REVLOG_DEFAULT_VERSION,
47241 0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	55 SUPPORTED_FLAGS,
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	56 )
42745 ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	57 from .revlogutils.flagutil import (
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	58 REVIDX_DEFAULT_FLAGS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	59 REVIDX_ELLIPSIS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	60 REVIDX_EXTSTORED,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	61 REVIDX_FLAGS_ORDER,
45671 2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45054 diff changeset	62 REVIDX_HASCOPIESINFO,
42745 ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	63 REVIDX_ISCENSORED,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	64 REVIDX_RAWTEXT_CHANGING_FLAGS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42736 diff changeset	65 )
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	66 from .thirdparty import attr
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	67 from . import (
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	68 ancestor,
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	69 dagop,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	70 error,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	71 mdiff,
32411 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32355 diff changeset	72 policy,
31580 a8e55d6f1d67 revlog: use pycompat.maplist to eagerly evaluate map on Python 3 Augie Fackler <augie@google.com> parents: 31511 diff changeset	73 pycompat,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	74 templatefilters,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	75 util,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	76 )
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	77 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	78 repository,
42824 2c4f656c8e9f interfaceutil: move to interfaces/ Pulkit Goyal <pulkit@yandex-team.ru> parents: 42823 diff changeset	79 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	80 )
39357 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39356 diff changeset	81 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	82 deltas as deltautil,
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	83 docket as docketutil,
42746 05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42745 diff changeset	84 flagutil,
44035 ab595920de0e revlogutils: move the NodeMap class in a dedicated nodemap module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44017 diff changeset	85 nodemap as nodemaputil,
47079 724db234b790 revlog: code for `revlogv0` in its own module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47078 diff changeset	86 revlogv0,
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	87 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	88 )
37087 f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36768 diff changeset	89 from .utils import (
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	90 storageutil,
37087 f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36768 diff changeset	91 stringutil,
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36768 diff changeset	92 )
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	93
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	94 # 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	95 # We need these name available in the module for extensions.
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	96
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	97 REVLOGV0
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	98 REVLOGV1
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	99 REVLOGV2
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	100 FLAG_INLINE_DATA
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	101 FLAG_GENERALDELTA
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	102 REVLOG_DEFAULT_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	103 REVLOG_DEFAULT_FORMAT
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	104 REVLOG_DEFAULT_VERSION
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	105 REVLOGV1_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	106 REVLOGV2_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	107 REVIDX_ISCENSORED
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	108 REVIDX_ELLIPSIS
45671 2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45054 diff changeset	109 REVIDX_HASCOPIESINFO
39356 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	110 REVIDX_EXTSTORED
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	111 REVIDX_DEFAULT_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	112 REVIDX_FLAGS_ORDER
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	113 REVIDX_RAWTEXT_CHANGING_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39260 diff changeset	114
43554 9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings Augie Fackler <augie@google.com> parents: 43492 diff changeset	115 parsers = policy.importmod('parsers')
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings Augie Fackler <augie@google.com> parents: 43492 diff changeset	116 rustancestor = policy.importrust('ancestor')
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings Augie Fackler <augie@google.com> parents: 43492 diff changeset	117 rustdagop = policy.importrust('dagop')
44017 8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper Georges Racinet <georges.racinet@octobus.net> parents: 43984 diff changeset	118 rustrevlog = policy.importrust('revlog')
32411 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32355 diff changeset	119
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	120 # Aliased for performance.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	121 _zlibdecompress = zlib.decompress
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	122
10916 9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	123 # max size of revlog with inline data
9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	124 _maxinline = 131072
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	125 _chunksize = 1048576
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	126
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	127 # Flag processors for REVIDX_ELLIPSIS.
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	128 def ellipsisreadprocessor(rl, text):
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	129 return text, False
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	130
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	131
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	132 def ellipsiswriteprocessor(rl, text):
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	133 return text, False
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	134
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	135
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	136 def ellipsisrawprocessor(rl, text):
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	137 return False
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	138
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	139
39783 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	140 ellipsisprocessor = (
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	141 ellipsisreadprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	142 ellipsiswriteprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	143 ellipsisrawprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	144 )
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39360 diff changeset	145
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	146
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	147 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	148 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	149 raise ValueError(b'unknown revlog index flags')
31511 73aa13bc8dac revlog: use int instead of long Augie Fackler <augie@google.com> parents: 31378 diff changeset	150 return int(int(offset) << 16 \| type)
4987 8d30004ada40 revlog: some basic code reordering Matt Mackall <mpm@selenic.com> parents: 4986 diff changeset	151
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	152
43962 7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	153 def _verify_revision(rl, skipflags, state, node):
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	154 """Verify the integrity of the given revlog ``node`` while providing a hook
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	155 point for extensions to influence the operation."""
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	156 if skipflags:
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	157 state[b'skipread'].add(node)
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	158 else:
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	159 # Side-effect: read content and verify hash.
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	160 rl.revision(node)
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	161
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	162
46310 fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	163 # True if a fast implementation for persistent-nodemap is available
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	164 #
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	165 # We also consider we have a "fast" implementation in "pure" python because
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	166 # people using pure don't really have performance consideration (and a
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	167 # wheelbarrow of other slowness source)
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	168 HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or util.safehasattr(
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	169 parsers, 'BaseIndexObject'
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	170 )
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	171
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45957 diff changeset	172
35641 c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	173 @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	174 class _revisioninfo(object):
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	175 """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	176 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	177 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	178 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	179 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	180 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	181
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	182 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	183 """
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	184
35641 c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	185 node = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	186 p1 = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	187 p2 = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	188 btext = attr.ib()
35737 d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision Paul Morelle <paul.morelle@octobus.net> parents: 35641 diff changeset	189 textlen = attr.ib()
35641 c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	190 cachedelta = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	191 flags = attr.ib()
c41bb85c09ff revlog: group revision info into a dedicated structure Paul Morelle <paul.morelle@octobus.net> parents: 35640 diff changeset	192
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	193
39259 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	194 @interfaceutil.implementer(repository.irevisiondelta)
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	195 @attr.s(slots=True)
39259 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	196 class revlogrevisiondelta(object):
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	197 node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	198 p1node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	199 p2node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	200 basenode = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	201 flags = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	202 baserevisionsize = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	203 revision = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	204 delta = attr.ib()
46725 e8c11a2c96c0 delta: add sidedata field to revision delta Rapha?l Gom?s <rgomes@octobus.net> parents: 46724 diff changeset	205 sidedata = attr.ib()
47094 119790e1c67c cg4: introduce protocol flag to signify the presence of sidedata Rapha?l Gom?s <rgomes@octobus.net> parents: 47092 diff changeset	206 protocol_flags = attr.ib()
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	207 linknode = attr.ib(default=None)
39259 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39225 diff changeset	208
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	209
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	210 @interfaceutil.implementer(repository.iverifyproblem)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	211 @attr.s(frozen=True)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	212 class revlogproblem(object):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	213 warning = attr.ib(default=None)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	214 error = attr.ib(default=None)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	215 node = attr.ib(default=None)
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	216
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	217
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	218 def parse_index_v1(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	219 # call the C implementation to parse the index data
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	220 index, cache = parsers.parse_index2(data, inline)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	221 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	222
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	223
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	224 def parse_index_v2(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	225 # call the C implementation to parse the index data
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	226 index, cache = parsers.parse_index2(data, inline, revlogv2=True)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	227 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	228
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	229
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	230 if util.safehasattr(parsers, 'parse_index_devel_nodemap'):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	231
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	232 def parse_index_v1_nodemap(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	233 index, cache = parsers.parse_index_devel_nodemap(data, inline)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	234 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	235
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	236
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	237 else:
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	238 parse_index_v1_nodemap = None
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	239
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	240
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	241 def parse_index_v1_mixed(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	242 index, cache = parse_index_v1(data, inline)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	243 return rustrevlog.MixedIndex(index), cache
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	244
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	245
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	246 # 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	247 # signed integer)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	248 _maxentrysize = 0x7FFFFFFF
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	249
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	250
42997 73288e7abe9b flagprocessors: remove flagprocessorsmixin Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42996 diff changeset	251 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	252 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	253 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	254
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	255 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	256
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	257 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	258 information on each revision, including its nodeid (hash), the
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	259 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	260 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	261 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	262 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	263
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	264 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	265 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	266 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	267 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	268 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	269 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	270
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	271 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	272 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	273 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	274 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	275
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	276 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	277 writing, to avoid file stat ambiguity.
34303 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	278
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	279 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	280 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	281 configured threshold.
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	282
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	283 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	284
bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	285 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	286 compression for the data content.
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	287
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	288 `concurrencychecker` is an optional function that receives 3 arguments: a
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	289 file handle, a filename, and an expected position. It should check whether
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	290 the current position in the file handle is valid, and log/warn/fail (by
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	291 raising).
47257 02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	292
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	293
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	294 Internal details
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	295 ----------------
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	296
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	297 A large part of the revlog logic deals with revisions' "index entries", tuple
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	298 objects that contains the same "items" whatever the revlog version.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	299 Different versions will have different ways of storing these items (sometimes
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	300 not having them at all), but the tuple will always be the same. New fields
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	301 are usually added at the end to avoid breaking existing code that relies
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	302 on the existing order. The field are defined as follows:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	303
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	304 [0] offset:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	305 The byte index of the start of revision data chunk.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	306 That value is shifted up by 16 bits. use "offset = field >> 16" to
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	307 retrieve it.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	308
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	309 flags:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	310 A flag field that carries special information or changes the behavior
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	311 of the revision. (see `REVIDX_*` constants for details)
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	312 The flag field only occupies the first 16 bits of this field,
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	313 use "flags = field & 0xFFFF" to retrieve the value.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	314
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	315 [1] compressed length:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	316 The size, in bytes, of the chunk on disk
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	317
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	318 [2] uncompressed length:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	319 The size, in bytes, of the full revision once reconstructed.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	320
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	321 [3] base rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	322 Either the base of the revision delta chain (without general
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	323 delta), or the base of the delta (stored in the data chunk)
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	324 with general delta.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	325
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	326 [4] link rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	327 Changelog revision number of the changeset introducing this
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	328 revision.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	329
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	330 [5] parent 1 rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	331 Revision number of the first parent
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	332
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	333 [6] parent 2 rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	334 Revision number of the second parent
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	335
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	336 [7] node id:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	337 The node id of the current revision
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	338
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	339 [8] sidedata offset:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	340 The byte index of the start of the revision's side-data chunk.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	341
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	342 [9] sidedata chunk length:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	343 The size, in bytes, of the revision's side-data chunk.
47260 130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	344
130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	345 [10] data compression mode:
130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	346 two bits that detail the way the data chunk is compressed on disk.
130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	347 (see "COMP_MODE_*" constants for details). For revlog version 0 and
130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	348 1 this will always be COMP_MODE_INLINE.
130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	349
47267 2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	350 [11] side-data compression mode:
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	351 two bits that detail the way the sidedata chunk is compressed on disk.
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	352 (see "COMP_MODE_*" constants for details)
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	353 """
42996 3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	354
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	355 _flagserrorclass = error.RevlogError
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	356
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	357 def __init__(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	358 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	359 opener,
47089 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	360 target,
47164 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	361 radix,
47251 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	362 postfix=None, # only exist for `tmpcensored` now
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	363 checkambig=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	364 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	365 censorable=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	366 upperboundcomp=None,
44351 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	367 persistentnodemap=False,
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	368 concurrencychecker=None,
47251 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	369 trypending=False,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	370 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	371 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	372 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	373
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	374 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	375 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	376
47089 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	377 `target`: a (KIND, ID) tuple that identify the content stored in
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	378 this revlog. It help the rest of the code to understand what the revlog
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	379 is about without having to resort to heuristic and index filename
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	380 analysis. Note: that this must be reliably be set by normal code, but
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	381 that test, debug, or performance measurement code might not set this to
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	382 accurate value.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	383 """
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	384 self.upperboundcomp = upperboundcomp
47164 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	385
8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	386 self.radix = radix
8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	387
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	388 self._docket_file = None
47182 cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47181 diff changeset	389 self._indexfile = None
cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47181 diff changeset	390 self._datafile = None
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	391 self._nodemap_file = None
47159 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	392 self.postfix = postfix
47251 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	393 self._trypending = trypending
47165 24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47164 diff changeset	394 self.opener = opener
44351 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	395 if persistentnodemap:
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	396 self._nodemap_file = nodemaputil.get_nodemap_file(self)
47165 24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47164 diff changeset	397
47089 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	398 assert target[0] in ALL_KINDS
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	399 assert len(target) == 2
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	400 self.target = target
30001 b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	401 # 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	402 # 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	403 self._checkambig = checkambig
41203 d0de4fdd87aa revlog: store mmaplargeindex as an instance attribute Gregory Szorc <gregory.szorc@gmail.com> parents: 41202 diff changeset	404 self._mmaplargeindex = mmaplargeindex
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	405 self._censorable = censorable
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	406 # 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	407 self._revisioncache = None
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	408 # 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	409 self._chainbasecache = util.lrucachedict(100)
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	410 # 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	411 self._chunkcache = (0, b'')
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	412 # 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	413 self._chunkcachesize = 65536
23255 76effa770ff9 revlog: add config variable for limiting delta-chain length Mateusz Kwapich <mitrandir@fb.com> parents: 23254 diff changeset	414 self._maxchainlen = None
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	415 self._deltabothparents = True
43573 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43572 diff changeset	416 self.index = None
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	417 self._docket = None
44366 76a96e3a2bbb nodemap: keep track of the docket for loaded data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44363 diff changeset	418 self._nodemap_docket = None
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	419 # 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	420 self._pcache = {}
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	421 # Mapping of revision integer to full node.
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	422 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	423 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	424 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	425 self._withsparseread = False
38717 aa21a9ad46ea sparse-revlog: new requirement enabled with format.sparse-revlog Paul Morelle <paul.morelle@octobus.net> parents: 38716 diff changeset	426 self._sparserevlog = False
47233 c2180093682a revlog: determine sidedata support based on the revlog version Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47230 diff changeset	427 self.hassidedata = False
38632 eb8504715071 sparse-read: target density of 50% instead of 25% Paul Morelle <paul.morelle@octobus.net> parents: 38603 diff changeset	428 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	429 self._srmingapsize = 262144
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	430
39784 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	431 # 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	432 # 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	433 self._flagprocessors = dict(flagutil.flagprocessors)
39784 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	434
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	435 # 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	436 self._writinghandles = None
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	437 # prevent nesting of addgroup
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	438 self._adding_group = None
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	439
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	440 self._loadindex()
e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	441
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	442 self._concurrencychecker = concurrencychecker
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	443
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	444 def _init_opts(self):
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	445 """process options (from above/config) to setup associated default revlog mode
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	446
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	447 These values might be affected when actually reading on disk information.
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	448
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	449 The relevant values are returned for use in _loadindex().
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	450
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	451 * newversionflags:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	452 version header to use if we need to create a new revlog
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	453
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	454 * mmapindexthreshold:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	455 minimal index size for start to use mmap
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	456
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	457 * force_nodemap:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	458 force the usage of a "development" version of the nodemap code
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	459 """
34303 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	460 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	461 opts = self.opener.options
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	462
47274 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47272 diff changeset	463 if b'changelogv2' in opts and self.revlog_kind == KIND_CHANGELOG:
47277 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47274 diff changeset	464 new_header = CHANGELOGV2
47274 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47272 diff changeset	465 elif b'revlogv2' in opts:
47272 80164d50ae3d revlogv2: no longer attempt to use inline for new revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47270 diff changeset	466 new_header = REVLOGV2
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	467 elif b'revlogv1' in opts:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	468 new_header = REVLOGV1 \| FLAG_INLINE_DATA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	469 if b'generaldelta' in opts:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	470 new_header \|= FLAG_GENERALDELTA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	471 elif b'revlogv0' in self.opener.options:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	472 new_header = REVLOGV0
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	473 else:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	474 new_header = REVLOG_DEFAULT_VERSION
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	475
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	476 if b'chunkcachesize' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	477 self._chunkcachesize = opts[b'chunkcachesize']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	478 if b'maxchainlen' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	479 self._maxchainlen = opts[b'maxchainlen']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	480 if b'deltabothparents' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	481 self._deltabothparents = opts[b'deltabothparents']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	482 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	483 self._lazydeltabase = False
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41773 diff changeset	484 if self._lazydelta:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	485 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	486 if b'compengine' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	487 self._compengine = opts[b'compengine']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	488 if b'zlib.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	489 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	490 if b'zstd.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	491 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	492 if b'maxdeltachainspan' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	493 self._maxdeltachainspan = opts[b'maxdeltachainspan']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	494 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	495 mmapindexthreshold = opts[b'mmapindexthreshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	496 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	497 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	498 # sparse-revlog forces sparse-read
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	499 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	500 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	501 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	502 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	503 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	504 if opts.get(b'enableellipsis'):
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	505 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	506
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	507 # revlog v0 doesn't have flag processors
43106 d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer Gregory Szorc <gregory.szorc@gmail.com> parents: 43089 diff changeset	508 for flag, processor in pycompat.iteritems(
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer Gregory Szorc <gregory.szorc@gmail.com> parents: 43089 diff changeset	509 opts.get(b'flagprocessors', {})
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer Gregory Szorc <gregory.szorc@gmail.com> parents: 43089 diff changeset	510 ):
42748 5109217a9ab6 flagutil: move insertflagprocessor to the new module (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42747 diff changeset	511 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	512
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	513 if self._chunkcachesize <= 0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	514 raise error.RevlogError(
43117 8ff1ecfadcd1 cleanup: join string literals that are already on one line Martin von Zweigbergk <martinvonz@google.com> parents: 43106 diff changeset	515 _(b'revlog chunk cache size %r is not greater than 0')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	516 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	517 )
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	518 elif self._chunkcachesize & (self._chunkcachesize - 1):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	519 raise error.RevlogError(
43117 8ff1ecfadcd1 cleanup: join string literals that are already on one line Martin von Zweigbergk <martinvonz@google.com> parents: 43106 diff changeset	520 _(b'revlog chunk cache size %r is not a power of 2')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	521 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	522 )
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	523 force_nodemap = opts.get(b'devel-force-nodemap', False)
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	524 return new_header, mmapindexthreshold, force_nodemap
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	525
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	526 def _get_data(self, filepath, mmap_threshold, size=None):
47183 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	527 """return a file content with or without mmap
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	528
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	529 If the file is missing return the empty string"""
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	530 try:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	531 with self.opener(filepath) as fp:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	532 if mmap_threshold is not None:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	533 file_size = self.opener.fstat(fp).st_size
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	534 if file_size >= mmap_threshold:
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	535 if size is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	536 # avoid potentiel mmap crash
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	537 size = min(file_size, size)
47183 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	538 # TODO: should .close() to release resources without
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	539 # relying on Python GC
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	540 if size is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	541 return util.buffer(util.mmapread(fp))
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	542 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	543 return util.buffer(util.mmapread(fp, size))
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	544 if size is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	545 return fp.read()
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	546 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	547 return fp.read(size)
47183 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	548 except IOError as inst:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	549 if inst.errno != errno.ENOENT:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	550 raise
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	551 return b''
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	552
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	553 def _loadindex(self):
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	554
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	555 new_header, mmapindexthreshold, force_nodemap = self._init_opts()
47182 cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47181 diff changeset	556
47251 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	557 if self.postfix is not None:
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	558 entry_point = b'%s.i.%s' % (self.radix, self.postfix)
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	559 elif self._trypending and self.opener.exists(b'%s.i.a' % self.radix):
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	560 entry_point = b'%s.i.a' % self.radix
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	561 else:
47189 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	562 entry_point = b'%s.i' % self.radix
47182 cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47181 diff changeset	563
47190 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	564 entry_data = b''
14334 85c82ebc96a3 changelog: don't use generaldelta Sune Foldager <cryo@cyanite.org> parents: 14333 diff changeset	565 self._initempty = True
47190 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	566 entry_data = self._get_data(entry_point, mmapindexthreshold)
8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	567 if len(entry_data) > 0:
8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	568 header = INDEX_HEADER.unpack(entry_data[:4])[0]
47183 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	569 self._initempty = False
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	570 else:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	571 header = new_header
47184 6e0ee1810fbd revlog: rename `versionflags` to header Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47183 diff changeset	572
47188 58ef549ae55f revlog: directly use self._format_flags when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47187 diff changeset	573 self._format_flags = header & ~0xFFFF
47187 ef7a8a1622ad revlog: directly use self._format_version when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47186 diff changeset	574 self._format_version = header & 0xFFFF
ef7a8a1622ad revlog: directly use self._format_version when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47186 diff changeset	575
47241 0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	576 supported_flags = SUPPORTED_FLAGS.get(self._format_version)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	577 if supported_flags is None:
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	578 msg = _(b'unknown version (%d) in revlog %s')
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	579 msg %= (self._format_version, self.display_id)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	580 raise error.RevlogError(msg)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	581 elif self._format_flags & ~supported_flags:
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	582 msg = _(b'unknown flags (%#04x) in version %d revlog %s')
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	583 display_flag = self._format_flags >> 16
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	584 msg %= (display_flag, self._format_version, self.display_id)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	585 raise error.RevlogError(msg)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	586
47242 4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	587 features = FEATURES_BY_VERSION[self._format_version]
4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	588 self._inline = features[b'inline'](self._format_flags)
4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	589 self._generaldelta = features[b'generaldelta'](self._format_flags)
4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	590 self.hassidedata = features[b'sidedata']
46793 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	591
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	592 if not features[b'docket']:
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	593 self._indexfile = entry_point
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	594 index_data = entry_data
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	595 else:
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	596 self._docket_file = entry_point
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	597 if self._initempty:
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	598 self._docket = docketutil.default_docket(self, header)
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	599 else:
47252 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47251 diff changeset	600 self._docket = docketutil.parse_docket(
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47251 diff changeset	601 self, entry_data, use_pending=self._trypending
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47251 diff changeset	602 )
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	603 self._indexfile = self._docket.index_filepath()
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	604 index_data = b''
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	605 index_size = self._docket.index_end
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	606 if index_size > 0:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	607 index_data = self._get_data(
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	608 self._indexfile, mmapindexthreshold, size=index_size
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	609 )
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	610 if len(index_data) < index_size:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	611 msg = _(b'too few index data for %s: got %d, expected %d')
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	612 msg %= (self.display_id, len(index_data), index_size)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	613 raise error.RevlogError(msg)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	614
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	615 self._inline = False
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	616 # generaldelta implied by version 2 revlogs.
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	617 self._generaldelta = True
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	618 # the logic for persistent nodemap will be dealt with within the
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	619 # main docket, so disable it for now.
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	620 self._nodemap_file = None
47189 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	621
47251 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	622 if self.postfix is None:
47189 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	623 self._datafile = b'%s.d' % self.radix
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	624 else:
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	625 self._datafile = b'%s.d.%s' % (self.radix, self.postfix)
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	626
46793 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	627 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	628 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	629
41312 189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	630 # 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	631 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	632 self._sparserevlog = False
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	633
39260 0a5b20c107a6 repository: remove storedeltachains from ifilestorage Gregory Szorc <gregory.szorc@gmail.com> parents: 39259 diff changeset	634 self._storedeltachains = True
30154 5e72129d75ed revlog: add instance variable controlling delta chain use Gregory Szorc <gregory.szorc@gmail.com> parents: 30014 diff changeset	635
44356 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44353 diff changeset	636 devel_nodemap = (
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	637 self._nodemap_file
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	638 and force_nodemap
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	639 and parse_index_v1_nodemap is not None
44356 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44353 diff changeset	640 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44353 diff changeset	641
44523 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	642 use_rust_index = False
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	643 if rustrevlog is not None:
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	644 if self._nodemap_file is not None:
44523 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	645 use_rust_index = True
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	646 else:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	647 use_rust_index = self.opener.options.get(b'rust.index')
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	648
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	649 self._parse_index = parse_index_v1
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	650 if self._format_version == REVLOGV0:
47079 724db234b790 revlog: code for `revlogv0` in its own module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47078 diff changeset	651 self._parse_index = revlogv0.parse_index_v0
47187 ef7a8a1622ad revlog: directly use self._format_version when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47186 diff changeset	652 elif self._format_version == REVLOGV2:
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	653 self._parse_index = parse_index_v2
47277 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47274 diff changeset	654 elif self._format_version == CHANGELOGV2:
921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47274 diff changeset	655 self._parse_index = parse_index_v2
44356 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44353 diff changeset	656 elif devel_nodemap:
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	657 self._parse_index = parse_index_v1_nodemap
44523 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	658 elif use_rust_index:
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	659 self._parse_index = parse_index_v1_mixed
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	660 try:
47190 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	661 d = self._parse_index(index_data, self._inline)
44363 671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	662 index, _chunkcache = d
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	663 use_nodemap = (
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	664 not self._inline
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	665 and self._nodemap_file is not None
44363 671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	666 and util.safehasattr(index, 'update_nodemap_data')
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	667 )
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	668 if use_nodemap:
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	669 nodemap_data = nodemaputil.persisted_data(self)
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	670 if nodemap_data is not None:
44525 6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	671 docket = nodemap_data[0]
44803 affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44526 diff changeset	672 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44526 diff changeset	673 len(d[0]) > docket.tip_rev
affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44526 diff changeset	674 and d[0][docket.tip_rev][7] == docket.tip_node
affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44526 diff changeset	675 ):
44525 6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	676 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	677 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	678 index.update_nodemap_data(*nodemap_data)
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	679 except (ValueError, IndexError):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	680 raise error.RevlogError(
47172 e1936ae27897 revlog: use revlog.display_id for corruption error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47171 diff changeset	681 _(b"index %s is corrupted") % self.display_id
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	682 )
43574 e258ad110488 revlog: no longer return the nodemap after parsing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43573 diff changeset	683 self.index, self._chunkcache = d
13265 04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 13264 diff changeset	684 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	685 self._chunkclear()
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	686 # revnum -> (chain-length, sum-delta-length)
45802 8719a5b68419 revlog: use LRU for the chain cache Joerg Sonnenberger <joerg@bec.de> parents: 45735 diff changeset	687 self._chaininfocache = util.lrucachedict(500)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	688 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	689 self._decompressors = {}
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	690
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	691 @util.propertycache
47090 64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47089 diff changeset	692 def revlog_kind(self):
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47089 diff changeset	693 return self.target[0]
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47089 diff changeset	694
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47089 diff changeset	695 @util.propertycache
47167 fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	696 def display_id(self):
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	697 """The public facing "ID" of the revlog that we use in message"""
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	698 # Maybe we should build a user facing representation of
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	699 # revlog.target instead of using `self.radix`
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	700 return self.radix
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	701
47265 eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	702 def _get_decompressor(self, t):
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	703 try:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	704 compressor = self._decompressors[t]
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	705 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	706 try:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	707 engine = util.compengines.forrevlogheader(t)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	708 compressor = engine.revlogcompressor(self._compengineopts)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	709 self._decompressors[t] = compressor
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	710 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	711 raise error.RevlogError(
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	712 _(b'unknown compression type %s') % binascii.hexlify(t)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	713 )
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	714 return compressor
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	715
47167 fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	716 @util.propertycache
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	717 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	718 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	719 return engine.revlogcompressor(self._compengineopts)
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	720
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	721 @util.propertycache
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	722 def _decompressor(self):
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	723 """the default decompressor"""
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	724 if self._docket is None:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	725 return None
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	726 t = self._docket.default_compression_header
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	727 c = self._get_decompressor(t)
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	728 return c.decompress
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	729
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	730 def _indexfp(self):
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	731 """file object for the revlog's index file"""
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	732 return self.opener(self._indexfile, mode=b"r")
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	733
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	734 def __index_write_fp(self):
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	735 # You should not use this directly and use `_writing` instead
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	736 try:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	737 f = self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	738 self._indexfile, mode=b"r+", checkambig=self._checkambig
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	739 )
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	740 if self._docket is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	741 f.seek(0, os.SEEK_END)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	742 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	743 f.seek(self._docket.index_end, os.SEEK_SET)
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	744 return f
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	745 except IOError as inst:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	746 if inst.errno != errno.ENOENT:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	747 raise
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	748 return self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	749 self._indexfile, mode=b"w+", checkambig=self._checkambig
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	750 )
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	751
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	752 def __index_new_fp(self):
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	753 # You should not use this unless you are upgrading from inline revlog
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	754 return self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	755 self._indexfile,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	756 mode=b"w",
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	757 checkambig=self._checkambig,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	758 atomictemp=True,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	759 )
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	760
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	761 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	762 """file object for the revlog's data file"""
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	763 return self.opener(self._datafile, mode=mode)
36006 61326dd7cb8d revlog: move datafile opening in a method Boris Feld <boris.feld@octobus.net> parents: 35885 diff changeset	764
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	765 @contextlib.contextmanager
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	766 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	767 """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	768 # 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	769 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	770 yield existingfp
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	771
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	772 # 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	773 # 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	774 # 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	775 # so we should be safe.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	776 elif self._writinghandles:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	777 if self._inline:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	778 yield self._writinghandles[0]
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	779 else:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	780 yield self._writinghandles[1]
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	781
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	782 # 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	783 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	784 if self._inline:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	785 func = self._indexfp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	786 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	787 func = self._datafp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	788 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	789 yield fp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	790
43492 ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	791 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	792 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	793
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	794 def tip(self):
43492 ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	795 return self.node(self.tiprev())
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	796
24030 828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	797 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	798 return 0 <= rev < len(self)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	799
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	800 def __len__(self):
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	801 return len(self.index)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	802
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	803 def __iter__(self):
38823 e7aa113b14f7 global: use pycompat.xrange() Gregory Szorc <gregory.szorc@gmail.com> parents: 38818 diff changeset	804 return iter(pycompat.xrange(len(self)))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	805
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	806 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	807 """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	808 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	809
43622 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	810 @property
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	811 def nodemap(self):
43622 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	812 msg = (
43663 c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43628 diff changeset	813 b"revlog.nodemap is deprecated, "
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43628 diff changeset	814 b"use revlog.index.[has_node\|rev\|get_rev]"
43622 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	815 )
02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	816 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
43576 90a0f631829e revlog: return the nodemap as the nodecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43574 diff changeset	817 return self.index.nodemap
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	818
43578 6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	819 @property
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	820 def _nodecache(self):
43663 c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43628 diff changeset	821 msg = b"revlog._nodecache is deprecated, use revlog.index.nodemap"
43578 6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	822 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	823 return self.index.nodemap
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	824
16374 29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	825 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	826 try:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	827 self.rev(node)
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	828 return True
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	829 except KeyError:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	830 return False
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	831
35839 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	832 def candelta(self, baserev, rev):
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	833 """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	834 # 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	835 # 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	836 # 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	837 # 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	838 # rawtext contents) and the delta could be incompatible.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	839 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	840 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	841 ):
35839 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	842 return False
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	843 return True
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	844
44465 336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	845 def update_caches(self, transaction):
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	846 if self._nodemap_file is not None:
44465 336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	847 if transaction is None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	848 nodemaputil.update_persistent_nodemap(self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	849 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	850 nodemaputil.setup_persistent_nodemap(transaction, self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	851
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	852 def clearcaches(self):
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	853 self._revisioncache = None
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	854 self._chainbasecache.clear()
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	855 self._chunkcache = (0, b'')
27465 072a675c51f2 revlog: make clearcaches() more effective Gregory Szorc <gregory.szorc@gmail.com> parents: 27449 diff changeset	856 self._pcache = {}
44511 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	857 self._nodemap_docket = None
43573 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43572 diff changeset	858 self.index.clearcaches()
44511 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	859 # The python code is the one responsible for validating the docket, we
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	860 # end up having to refresh it here.
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	861 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	862 not self._inline
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	863 and self._nodemap_file is not None
44511 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	864 and util.safehasattr(self.index, 'update_nodemap_data')
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	865 )
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	866 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	867 nodemap_data = nodemaputil.persisted_data(self)
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	868 if nodemap_data is not None:
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	869 self._nodemap_docket = nodemap_data[0]
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	870 self.index.update_nodemap_data(*nodemap_data)
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	871
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	872 def rev(self, node):
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	873 try:
43601 2da51e292734 index: use `index.rev` in `revlog.rev` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43600 diff changeset	874 return self.index.rev(node)
22282 4092d12ba18a repoview: fix 0L with pack/unpack for 2.4 Matt Mackall <mpm@selenic.com> parents: 21752 diff changeset	875 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4 Matt Mackall <mpm@selenic.com> parents: 21752 diff changeset	876 raise
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	877 except error.RevlogError:
43573 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43572 diff changeset	878 # parsers.c radix tree lookup failed
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	879 if (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	880 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	881 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	882 ):
43573 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43572 diff changeset	883 raise error.WdirUnsupported
47169 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	884 raise error.LookupError(node, self.display_id, _(b'no node'))
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	885
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	886 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	887
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	888 # 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	889 # are flags.
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	890 def start(self, rev):
5006 c2febf5420e9 revlog: minor chunk speed-up Matt Mackall <mpm@selenic.com> parents: 5005 diff changeset	891 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	892
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	893 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	894 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	895
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	896 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	897 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	898
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	899 def sidedata_length(self, rev):
47150 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	900 if not self.hassidedata:
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	901 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	902 return self.index[rev][9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	903
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	904 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	905 """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	906 l = self.index[rev][2]
38210 7fa3408f83ef revlog: disallow setting uncompressed length to None Yuya Nishihara <yuya@tcha.org> parents: 38202 diff changeset	907 if l >= 0:
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	908 return l
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	909
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	910 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	911 return len(t)
31856 0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	912
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	913 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	914 """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	915 # 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	916 # 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	917 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	918 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	919 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	920
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	921 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	922
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	923 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	924 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	925 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	926 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	927
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	928 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	929 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	930 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	931 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	932 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	933 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	934
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	935 self._chainbasecache[rev] = base
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	936 return base
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	937
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	938 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	939 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	940
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	941 def parentrevs(self, rev):
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	942 try:
35525 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35354 diff changeset	943 entry = self.index[rev]
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	944 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	945 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	946 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	947 raise
46792 49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	948 if entry[5] == nullrev:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	949 return entry[6], entry[5]
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	950 else:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	951 return entry[5], entry[6]
35525 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35354 diff changeset	952
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	953 # 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	954 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	955
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	956 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	957 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	958 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	959 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	960 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	961 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	962 raise
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	963
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	964 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	965
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	966 def end(self, rev):
46723 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	967 return self.start(rev) + self.length(rev)
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	968
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	969 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	970 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	971 d = i[self.rev(node)]
46792 49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	972 # inline node() to avoid function call overhead
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	973 if d[5] == self.nullid:
46792 49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	974 return i[d[6]][7], i[d[5]][7]
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	975 else:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	976 return i[d[5]][7], i[d[6]][7]
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	977
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	978 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	979 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	980
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	981 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	982 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	983 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	984 return chaininfocache[rev]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	985 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	986 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	987 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	988 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	989 clen = 0
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	990 compresseddeltalen = 0
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	991 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	992 clen += 1
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	993 compresseddeltalen += e[1]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	994 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	995 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	996 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	997 iterrev -= 1
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	998 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	999 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1000 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1001 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1002 break
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1003 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	1004 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1005 # 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	1006 # 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	1007 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1008 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1009 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1010 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1011
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1012 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	1013 """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	1014
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1015 ``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	1016 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	1017
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1018 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	1019 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	1020 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1021 """
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1022 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1023 try:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1024 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	1025 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1026 pass
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1027
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1028 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1029
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1030 # 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	1031 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1032 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1033
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1034 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1035 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1036 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	1037 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1038 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1039 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1040 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1041 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1042 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1043
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1044 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1045 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1046 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1047 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1048 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1049
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1050 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1051 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1052
18081 f88c60e740a1 revlog.ancestors: add support for including revs Siddharth Agarwal <sid0@fb.com> parents: 17975 diff changeset	1053 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	1054 """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	1055 Does not generate revs lower than stoprev.
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1056
18090 9abc55ef85b5 revlog: move ancestor generation out to a new class Siddharth Agarwal <sid0@fb.com> parents: 18083 diff changeset	1057 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	1058
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1059 # 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	1060 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1061 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1062 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1063 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1064 # 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	1065
47280 6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47277 diff changeset	1066 if rustancestor is not None and self.index.rust_ext_compat:
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	1067 lazyancestors = rustancestor.LazyAncestors
41118 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1068 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1069 else:
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1070 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1071 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1072 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	1073
16867 1093ad1e8903 revlog: descendants(revs) becomes descendants(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16866 diff changeset	1074 def descendants(self, revs):
40000 0b24fcd88066 dagop: extract descendants() from revlog module Gregory Szorc <gregory.szorc@gmail.com> parents: 39913 diff changeset	1075 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	1076
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1077 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1078 """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	1079 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	1080 tuple:
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1081
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	1082 ::common, (::heads) - (::common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1083
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1084 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	1085 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1086
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1087 '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	1088 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	1089 supplied, uses nullid."""
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1090 if common is None:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1091 common = [self.nullid]
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1092 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1093 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1094
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1095 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	1096 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	1097
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1098 # we want the ancestors, but inclusive
20073 eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1099 class lazyset(object):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1100 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1101 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1102 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1103
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1104 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1105 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	1106
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1107 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1108 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1109 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1110 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1111 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1112 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1113 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1114
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1115 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1116 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1117
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1118 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1119 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1120
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1121 has = lazyset(self.ancestors(common))
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1122 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1123 has.update(common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1124
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1125 # 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	1126 missing = set()
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	1127 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	1128 while visit:
16803 107a3270a24a cleanup: use the deque type where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	1129 r = visit.popleft()
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1130 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1131 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1132 else:
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	1133 missing.add(r)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1134 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	1135 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1136 visit.append(p)
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	1137 missing = list(missing)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1138 missing.sort()
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1139 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	1140
23337 3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1141 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1142 """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	1143 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	1144 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	1145 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1146
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1147 '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	1148 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1149 """
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1150 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1151 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1152
47280 6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47277 diff changeset	1153 if rustancestor is not None and self.index.rust_ext_compat:
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	1154 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	1155 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	1156
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1157 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1158 """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	1159 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1160
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1161 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	1162 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	1163
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1164 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	1165 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	1166
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1167 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	1168 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1169
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1170 '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	1171 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	1172 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1173 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1174 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1175 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1176 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1177
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1178 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1179 return inc.missingancestors(heads)
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1180
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1181 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1182 """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	1183
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1184 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	1185 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1186
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1187 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	1188 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	1189
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1190 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	1191 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1192
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1193 '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	1194 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	1195 supplied, uses nullid."""
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1196 if common is None:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1197 common = [self.nullid]
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1198 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1199 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1200
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1201 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	1202 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	1203
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1204 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1205 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	1206
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1207 def nodesbetween(self, roots=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1208 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1209
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1210 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	1211 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	1212 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1213
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1214 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	1215 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	1216
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1217 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	1218 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	1219 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	1220
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1221 '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	1222 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	1223 '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	1224
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1225 '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	1226 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	1227 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	1228 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1229 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	1230 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	1231 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	1232 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1233 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	1234 else:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1235 roots = [self.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	1236 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1237 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	1238 # We want _all_ the nodes!
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1239 return (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1240 [self.node(r) for r in self],
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1241 [self.nullid],
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1242 list(self.heads()),
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1243 )
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1244 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	1245 # 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	1246 # node.
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1247 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	1248 # 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	1249 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1250 # 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	1251 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1252 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	1253 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	1254 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	1255 return nonodes
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	1256 ancestors = set()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1257 # 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	1258 # 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	1259 # find from roots.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	1260 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	1261 # 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	1262 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	1263 # 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	1264 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	1265 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1266 # 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	1267 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1268 # Never tag nullid
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1269 if n == self.nullid:
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1270 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1271 # 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	1272 # 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	1273 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	1274 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1275 if n not in ancestors:
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1276 # 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	1277 # 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	1278 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	1279 # 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	1280 nodestotag.update(
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1281 [p for p in self.parents(n) if p != self.nullid]
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1282 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1283 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	1284 # 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	1285 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1286 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	1287 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	1288 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1289 # 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	1290 # 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	1291
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1292 # 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	1293 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	1294 # 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	1295 # 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	1296
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1297 # 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	1298 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	1299 # 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	1300 if roots:
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1301 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	1302 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1303 # 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	1304 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1305 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1306 # 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	1307 # 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	1308 lowestrev = nullrev
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1309 roots = [self.nullid]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1310 # Transform our roots list into a set.
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1311 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	1312 # 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	1313 # '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	1314 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	1315 # 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	1316 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1317 # 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	1318 # 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	1319 # 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	1320 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	1321 n = self.node(r)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1322 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1323 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	1324 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1325 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1326 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1327 isdescendant = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1328 # 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	1329 # 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	1330 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	1331 # 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	1332 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1333 # 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	1334 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	1335 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	1336 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1337 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1338 # 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	1339 # 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	1340 # up there, remember?)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1341 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	1342 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1343 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1344 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	1345 # 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	1346 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1347 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	1348 # 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	1349 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1350 # 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	1351 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	1352 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	1353 # 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	1354 # 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	1355 # 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	1356 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	1357 # 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	1358 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	1359 heads.pop(p, None)
43106 d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer Gregory Szorc <gregory.szorc@gmail.com> parents: 43089 diff changeset	1360 heads = [head for head, flag in pycompat.iteritems(heads) if flag]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1361 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	1362 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1363 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1364 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1365 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	1366
41275 1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1367 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1368 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1369 try:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1370 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1371 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1372 return self._headrevs()
47280 6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47277 diff changeset	1373 if rustdagop is not None and self.index.rust_ext_compat:
42468 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42462 diff changeset	1374 return rustdagop.headrevs(self.index, revs)
41772 6843379bf99e changelog: prefilter in headrevs() Georges Racinet <georges.racinet@octobus.net> parents: 41700 diff changeset	1375 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	1376
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1377 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	1378 return self.index.computephasesmapsets(roots)
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1379
17674 e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	1380 def _headrevs(self):
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1381 count = len(self)
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1382 if not count:
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1383 return [nullrev]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1384 # 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	1385 ishead = [0] * (count + 1)
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1386 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	1387 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	1388 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	1389 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	1390 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	1391 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	1392
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	1393 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	1394 """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	1395
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1396 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	1397 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	1398 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	1399 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1400 """
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	1401 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	1402 if not len(self):
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1403 return [self.nullid]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1404 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	1405
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1406 if start is None:
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1407 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1408 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1409 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1410
44470 9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things Augie Fackler <augie@google.com> parents: 44465 diff changeset	1411 stoprevs = {self.rev(n) for n in stop or []}
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1412
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1413 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1414 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1415 )
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1416
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1417 return [self.node(rev) for rev in revs]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1418
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1419 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1420 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1421 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1422 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	1423 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	1424 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	1425 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	1426 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	1427 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	1428 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	1429 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	1430 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1431 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1432
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1433 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1434 """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	1435 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	1436 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	1437 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	1438
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1439 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1440 """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	1441 try:
38516 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1442 ancs = self.index.commonancestorsheads(*revs)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1443 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	1444 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	1445 return ancs
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1446
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1447 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	1448 """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	1449
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API) Martin von Zweigbergk <martinvonz@google.com> parents: 38663 diff changeset	1450 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	1451 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	1452 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	1453
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1454 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	1455 """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	1456
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1457 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	1458
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1459 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	1460 reachableroots is not."""
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1461 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1462 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1463 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1464 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1465 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1466 return False
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1467 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	1468
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1469 def reachableroots(self, minroot, heads, roots, includepath=False):
43799 2e30d7df4809 revlog: fix revset in reachableroots docstring Jun Wu <quark@fb.com> parents: 43663 diff changeset	1470 """return (heads(::(<roots> and <roots>::<heads>)))
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1471
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1472 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1473 try:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1474 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1475 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1476 )
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1477 except AttributeError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1478 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1479 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1480 )
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1481
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1482 def ancestor(self, a, b):
22389 94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor' Mads Kiilerich <madski@unity3d.com> parents: 22381 diff changeset	1483 """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	1484
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1485 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	1486 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1487 ancs = self.index.ancestors(a, b)
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1488 except (AttributeError, OverflowError):
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1489 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	1490 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie Bryan O'Sullivan <bryano@fb.com> parents: 18986 diff changeset	1491 # choose a consistent winner when there's a tie
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1492 return min(map(self.node, ancs))
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1493 return self.nullid
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1494
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1495 def _match(self, id):
16762 93f8b9565257 revlog: don't handle long for revision matching Matt Mackall <mpm@selenic.com> parents: 16686 diff changeset	1496 if isinstance(id, int):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1497 # 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	1498 return self.node(id)
47082 c5e1cc0b4c77 core: don't hard-code node length Joerg Sonnenberger <joerg@bec.de> parents: 47081 diff changeset	1499 if len(id) == self.nodeconstants.nodelen:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1500 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1501 # 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	1502 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1503 node = id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1504 self.rev(node) # quick search the index
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1505 return node
39791 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39790 diff changeset	1506 except error.LookupError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1507 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	1508 try:
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1509 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1510 rev = int(id)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1511 if b"%d" % rev != id:
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1512 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1513 if rev < 0:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1514 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1515 if rev < 0 or rev >= len(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1516 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1517 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	1518 except (ValueError, OverflowError):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1519 pass
47081 a407fe56d6e8 core: don't hard-code hex node lengths Joerg Sonnenberger <joerg@bec.de> parents: 47079 diff changeset	1520 if len(id) == 2 * self.nodeconstants.nodelen:
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1521 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1522 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1523 node = bin(id)
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	1524 self.rev(node)
3157 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3156 diff changeset	1525 return node
39791 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39790 diff changeset	1526 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	1527 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1528
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1529 def _partialmatch(self, id):
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	1530 # we don't care wdirfilenodeids as they should be always full hash
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1531 maybewdir = self.nodeconstants.wdirhex.startswith(id)
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1532 try:
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1533 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1534 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	1535 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1536 # 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	1537 raise error.RevlogError
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1538 return partial
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1539 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1540 # 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	1541 raise error.WdirUnsupported
19471 fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979) Matt Mackall <mpm@selenic.com> parents: 19326 diff changeset	1542 return None
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1543 except error.RevlogError:
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1544 # 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	1545 # 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	1546 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	1547 raise error.AmbiguousPrefixLookupError(
47173 1ec64f59dc27 revlog: use revlog.display_id in ambiguity errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47172 diff changeset	1548 id, self.display_id, _(b'ambiguous identifier')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1549 )
19471 fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979) Matt Mackall <mpm@selenic.com> parents: 19326 diff changeset	1550 # 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	1551 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1552 # 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	1553 pass
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1554
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1555 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1556 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1557
37819 ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids Martin von Zweigbergk <martinvonz@google.com> parents: 37767 diff changeset	1558 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	1559 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1560 # hex(node)[:...]
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	1561 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	1562 prefix = bin(id[: l * 2])
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	1563 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	1564 nl = [
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1565 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	1566 ]
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1567 if self.nodeconstants.nullhex.startswith(id):
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1568 nl.append(self.nullid)
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1569 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	1570 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	1571 self._pcache[id] = nl[0]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1572 return nl[0]
39790 4a2466b2a434 revlog: drop some more error aliases (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39789 diff changeset	1573 raise error.AmbiguousPrefixLookupError(
47173 1ec64f59dc27 revlog: use revlog.display_id in ambiguity errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47172 diff changeset	1574 id, self.display_id, _(b'ambiguous identifier')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1575 )
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1576 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1577 raise error.WdirUnsupported
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1578 return None
36275 f574cc00831a node: make bin() be a wrapper instead of just an alias Augie Fackler <augie@google.com> parents: 36013 diff changeset	1579 except TypeError:
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1580 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1581
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1582 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1583 """locate a node based on:
45957 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	1584 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	1585 - nodeid or subset of hex nodeid
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1586 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1587 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1588 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	1589 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1590 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1591 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1592 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1593
47169 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	1594 raise error.LookupError(id, self.display_id, _(b'no match found'))
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1595
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1596 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	1597 """Find the shortest unambiguous prefix that matches node."""
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1598
37907 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1599 def isvalid(prefix):
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1600 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	1601 matchednode = self._partialmatch(prefix)
39836 7a9e2d85f475 revlog: catch more specific exception in shortest() Yuya Nishihara <yuya@tcha.org> parents: 39794 diff changeset	1602 except error.AmbiguousPrefixLookupError:
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1603 return False
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1604 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1605 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1606 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	1607 if matchednode is None:
47169 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	1608 raise error.LookupError(node, self.display_id, _(b'no node'))
38014 76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid() Martin von Zweigbergk <martinvonz@google.com> parents: 38013 diff changeset	1609 return True
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1610
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1611 def maybewdir(prefix):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1612 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	1613
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1614 hexnode = hex(node)
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1615
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1616 def disambiguate(hexnode, minlength):
38015 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 38014 diff changeset	1617 """Disambiguate against wdirid."""
45054 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44803 diff changeset	1618 for length in range(minlength, len(hexnode) + 1):
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1619 prefix = hexnode[:length]
38015 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 38014 diff changeset	1620 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	1621 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1622
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1623 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	1624 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1625 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	1626 return disambiguate(hexnode, length)
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1627 except error.RevlogError:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1628 if node != self.nodeconstants.wdirid:
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	1629 raise error.LookupError(
47169 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	1630 node, self.display_id, _(b'no node')
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	1631 )
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1632 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1633 # 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	1634 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1635
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1636 if node == self.nodeconstants.wdirid:
45054 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44803 diff changeset	1637 for length in range(minlength, len(hexnode) + 1):
38013 0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1638 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1639 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1640 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1641
45054 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44803 diff changeset	1642 for length in range(minlength, len(hexnode) + 1):
37907 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1643 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1644 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	1645 return disambiguate(hexnode, length)
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1646
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1647 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	1648 """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	1649
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1650 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	1651 """
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1652 p1, p2 = self.parents(node)
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	1653 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	1654
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1655 def _cachesegment(self, offset, data):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1656 """Add a segment to the revlog cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1657
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1658 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	1659 """
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1660 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1661 # try to add to existing cache
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	1662 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	1663 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1664 else:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1665 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1666
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1667 def _readsegment(self, offset, length, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1668 """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	1669
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1670 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	1671 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	1672
dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1673 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	1674 original seek position will NOT be restored.
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1675
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1676 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	1677
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1678 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	1679 """
20179 5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB Brodie Rao <brodie@sf.io> parents: 20074 diff changeset	1680 # 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	1681 # 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	1682 # 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	1683 cachesize = self._chunkcachesize
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	1684 realoffset = offset & ~(cachesize - 1)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1685 reallength = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1686 (offset + length + cachesize) & ~(cachesize - 1)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1687 ) - realoffset
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1688 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	1689 df.seek(realoffset)
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1690 d = df.read(reallength)
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1691
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1692 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	1693 if offset != realoffset or reallength != length:
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1694 startoffset = offset - realoffset
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1695 if len(d) - startoffset < length:
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1696 raise error.RevlogError(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1697 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1698 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	1699 b'offset %d, got %d'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1700 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1701 % (
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	1702 self._indexfile if self._inline else self._datafile,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1703 length,
47179 590f2364d33a revlog: fix error message when data are missing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47178 diff changeset	1704 offset,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1705 len(d) - startoffset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1706 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1707 )
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1708
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1709 return util.buffer(d, startoffset, length)
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1710
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1711 if len(d) < length:
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1712 raise error.RevlogError(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1713 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1714 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	1715 b'%d, got %d'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1716 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1717 % (
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	1718 self._indexfile if self._inline else self._datafile,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1719 length,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1720 offset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1721 len(d),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1722 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1723 )
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1724
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1725 return d
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1726
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1727 def _getsegment(self, offset, length, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1728 """Obtain a segment of raw data from the revlog.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1729
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1730 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	1731 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	1732 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	1733
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1734 Requests for data may be returned from a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1735
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1736 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	1737 """
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1738 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1739 l = len(d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1740
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1741 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1742 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1743 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1744 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1745 if cachestart == 0 and cacheend == l:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1746 return d # avoid a copy
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	1747 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	1748
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1749 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	1750
32269 75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs() Gregory Szorc <gregory.szorc@gmail.com> parents: 32267 diff changeset	1751 def _getsegmentforrevs(self, startrev, endrev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1752 """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	1753
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1754 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	1755 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	1756 seek position will not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1757
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1758 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1759
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1760 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	1761 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	1762 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	1763
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1764 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	1765 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	1766 """
30302 ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1767 # 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	1768 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1769 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1770 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1771 start = int(istart[0] >> 16)
30303 1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1772 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1773 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1774 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1775 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1776 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	1777
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1778 if self._inline:
46974 3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	1779 start += (startrev + 1) * self.index.entry_size
3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	1780 end += (endrev + 1) * self.index.entry_size
19714 0e07c0b5fb1c revlog.revision: fix cache preload for inline revlogs Siddharth Agarwal <sid0@fb.com> parents: 19713 diff changeset	1781 length = end - start
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1782
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1783 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	1784
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1785 def _chunk(self, rev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1786 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1787
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1788 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	1789 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	1790 be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1791
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1792 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1793 """
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1794 compression_mode = self.index[rev][10]
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1795 data = self._getsegmentforrevs(rev, rev, df=df)[1]
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1796 if compression_mode == COMP_MODE_PLAIN:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1797 return data
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1798 elif compression_mode == COMP_MODE_DEFAULT:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1799 return self._decompressor(data)
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1800 elif compression_mode == COMP_MODE_INLINE:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1801 return self.decompress(data)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1802 else:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1803 msg = 'unknown compression mode %d'
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1804 msg %= compression_mode
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1805 raise error.RevlogError(msg)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1806
38644 43d0619cec90 revlog: enforce chunk slicing down to a certain size Boris Feld <boris.feld@octobus.net> parents: 38643 diff changeset	1807 def _chunks(self, revs, df=None, targetsize=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1808 """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	1809
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1810 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	1811 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1812 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	1813 not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1814
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1815 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1816 but is faster.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1817
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1818 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1819 """
19716 e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1820 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1821 return []
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1822 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1823 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1824 inline = self._inline
46974 3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	1825 iosize = self.index.entry_size
19715 1aab406be57c revlog._chunks: inline getchunk Siddharth Agarwal <sid0@fb.com> parents: 19714 diff changeset	1826 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	1827
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1828 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1829 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1830
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1831 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	1832 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	1833 else:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1834 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1835 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1836 )
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1837
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1838 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	1839 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	1840 # 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	1841 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	1842 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	1843 break
34823 7891d243d821 revlog: ignore empty trailing chunks when reading segments Paul Morelle <paul.morelle@octobus.net> parents: 34303 diff changeset	1844
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1845 try:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1846 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	1847 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	1848 # 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	1849 # 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	1850 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	1851
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1852 decomp = self.decompress
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1853 # self._decompressor might be None, but will not be used in that case
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1854 def_decomp = self._decompressor
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1855 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	1856 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	1857 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	1858 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	1859 chunklength = length(rev)
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1860 comp_mode = self.index[rev][10]
47263 e340b556a13e revlog: use an intermediate variable for `data` in `_chunk` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47260 diff changeset	1861 c = buffer(data, chunkstart - offset, chunklength)
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1862 if comp_mode == COMP_MODE_PLAIN:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1863 ladd(c)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1864 elif comp_mode == COMP_MODE_INLINE:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1865 ladd(decomp(c))
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1866 elif comp_mode == COMP_MODE_DEFAULT:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1867 ladd(def_decomp(c))
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1868 else:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1869 msg = 'unknown compression mode %d'
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1870 msg %= comp_mode
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1871 raise error.RevlogError(msg)
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1872
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1873 return l
14075 bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	1874
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1875 def _chunkclear(self):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1876 """Clear the raw chunk cache."""
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1877 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	1878
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	1879 def deltaparent(self, rev):
14195 0013d3eeb826 revlog: remove support for parentdelta Sune Foldager <cryo@cyanite.org> parents: 14164 diff changeset	1880 """return deltaparent of the given revision"""
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1881 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1882 if base == rev:
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1883 return nullrev
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1884 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1885 return base
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1886 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1887 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	1888
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	1889 def issnapshot(self, rev):
45957 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	1890 """tells whether rev is a snapshot"""
41089 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1891 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1892 return self.deltaparent(rev) == nullrev
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1893 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	1894 # 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	1895 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1896 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	1897 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	1898 return True
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1899 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1900 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1901 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	1902 return True
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1903 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1904 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1905 p1 = entry[5]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1906 p2 = entry[6]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1907 if base == p1 or base == p2:
39183 f39efa885a6d revlog: also detect intermediate snapshots Paul Morelle <paul.morelle@octobus.net> parents: 39182 diff changeset	1908 return False
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1909 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	1910
39185 3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1911 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1912 """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	1913 if not self.issnapshot(rev):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1914 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	1915 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	1916
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	1917 def revdiff(self, rev1, rev2):
31758 5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1918 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1919
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1920 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	1921 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	1922 """
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1923 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	1924 return bytes(self._chunk(rev2))
5005 72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	1925
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1926 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	1927
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1928 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	1929 """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	1930 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	1931 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	1932 if raw:
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1933 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	1934 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	1935 return flagutil.processflagsread(self, text, flags)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1936 else: # write operation
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1937 return flagutil.processflagswrite(self, text, flags)
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1938
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1939 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	1940 """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	1941 number.
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1942
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1943 _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	1944 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	1945 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	1946 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	1947 """
42853 f75f47b3ea41 revlog: deprecate the use of `revision(..., raw=True)` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42824 diff changeset	1948 if raw:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1949 msg = (
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1950 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	1951 b'use revlog.rawdata(...)'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1952 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1953 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	1954 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	1955
42982 0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1956 def sidedata(self, nodeorrev, _df=None):
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1957 """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	1958
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1959 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	1960 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	1961 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1962 """
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	1963 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	1964
42735 389233789952 revlog: split a `_revisiondata` method to file `revision` job Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42711 diff changeset	1965 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	1966 # deal with <nodeorrev> argument type
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1967 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1968 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1969 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1970 else:
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1971 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1972 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1973
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1974 # fast path the special `nullid` rev
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1975 if node == self.nullid:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1976 return b"", {}
42805 bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42804 diff changeset	1977
43984 bdb357161d7a revlog: drop an unused variable assignment Matt Harbison <matt_harbison@yahoo.com> parents: 43962 diff changeset	1978 # ``rawtext`` is the text as stored inside the revlog. Might be the
bdb357161d7a revlog: drop an unused variable assignment Matt Harbison <matt_harbison@yahoo.com> parents: 43962 diff changeset	1979 # revision or might need to be processed to retrieve the revision.
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1980 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	1981
47150 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	1982 if self.hassidedata:
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1983 if rev is None:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1984 rev = self.rev(node)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1985 sidedata = self._sidedata(rev)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1986 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1987 sidedata = {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1988
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1989 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1990 # 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	1991 # text is cached, we can exit early.
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1992 return rawtext, sidedata
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1993 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1994 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1995 # 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	1996 # (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	1997 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1998
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	1999 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	2000 # no extra flags set, no flag processor runs, text = rawtext
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2001 return rawtext, sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2002
42885 4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	2003 if raw:
42994 dff95420480f flagprocessors: make `processflagsraw` a module level function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42993 diff changeset	2004 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	2005 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	2006 else:
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2007 r = flagutil.processflagsread(self, rawtext, flags)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2008 text, validatehash = r
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2009 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2010 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	2011 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2012 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	2013
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	2014 return text, sidedata
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2015
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2016 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	2017 """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	2018
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2019 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2020 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2021
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2022 # 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	2023 cachedrev = None
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	2024 # 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	2025 basetext = None
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	2026
616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	2027 # 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	2028 # 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	2029 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	2030 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	2031 return (rev, self._revisioncache[2], True)
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	2032 cachedrev = self._revisioncache[1]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	2033
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2034 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2035 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2036
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2037 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	2038 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2039 basetext = self._revisioncache[2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2040
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2041 # 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	2042 # 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	2043 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2044
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2045 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2046 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	2047 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2048 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2049
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2050 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	2051 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2052 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2053 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2054
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2055 rawtext = mdiff.patches(basetext, bins)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2056 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	2057 return (rev, rawtext, False)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	2058
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2059 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2060 """Return the sidedata for a given revision number."""
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2061 index_entry = self.index[rev]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2062 sidedata_offset = index_entry[8]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2063 sidedata_size = index_entry[9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2064
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2065 if self._inline:
46974 3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	2066 sidedata_offset += self.index.entry_size * (1 + rev)
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2067 if sidedata_size == 0:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2068 return {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2069
47268 87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2070 comp_segment = self._getsegment(sidedata_offset, sidedata_size)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2071 comp = self.index[rev][11]
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2072 if comp == COMP_MODE_PLAIN:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2073 segment = comp_segment
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2074 elif comp == COMP_MODE_DEFAULT:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2075 segment = self._decompressor(comp_segment)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2076 elif comp == COMP_MODE_INLINE:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2077 segment = self.decompress(comp_segment)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2078 else:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2079 msg = 'unknown compression mode %d'
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2080 msg %= comp
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2081 raise error.RevlogError(msg)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2082
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2083 sidedata = sidedatautil.deserialize_sidedata(segment)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2084 return sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2085
42802 ef177c04ac7f revlog: drop silly `raw` parameter to `rawdata` function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42784 diff changeset	2086 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	2087 """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	2088
415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	2089 _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	2090 """
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	2091 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	2092
22785 abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	2093 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	2094 """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	2095
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	2096 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	2097 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	2098 """
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	2099 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	2100
30589 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	2101 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	2102 """Check node hash integrity.
19624 55749cb14d24 revlog: extract 'checkhash' method Wojciech Lopata <lopek@fb.com> parents: 19471 diff changeset	2103
30589 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	2104 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	2105 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	2106 """
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2107 try:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2108 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	2109 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2110 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	2111 # 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	2112 # 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	2113 # 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	2114 # 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	2115 # 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	2116 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	2117 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	2118 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	2119
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2120 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2121 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2122 revornode = templatefilters.short(hex(node))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2123 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2124 _(b"integrity check failed on %s:%s")
47174 0a66eef0ed97 revlog: use revlog.display_id in integrity error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47173 diff changeset	2125 % (self.display_id, pycompat.bytestr(revornode))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2126 )
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	2127 except error.RevlogError:
39884 d269ddbf54f0 storageutil: move _censoredtext() from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39883 diff changeset	2128 if self._censorable and storageutil.iscensoredtext(text):
47175 f574734eb2b7 revlog: use revlog.display_id in censor related errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47174 diff changeset	2129 raise error.CensoredNodeError(self.display_id, node, text)
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2130 raise
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	2131
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2132 def _enforceinlinesize(self, tr):
26376 344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	2133 """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	2134
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	2135 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	2136 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	2137 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	2138 """
38883 119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index Martin von Zweigbergk <martinvonz@google.com> parents: 38880 diff changeset	2139 tiprev = len(self) - 1
47181 88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47180 diff changeset	2140 total_size = self.start(tiprev) + self.length(tiprev)
88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47180 diff changeset	2141 if not self._inline or total_size < _maxinline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2142 return
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2143
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2144 troffset = tr.findoffset(self._indexfile)
45885 a6f08085edfe transaction: rename find to findoffset and drop backup file support Joerg Sonnenberger <joerg@bec.de> parents: 45884 diff changeset	2145 if troffset is None:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2146 raise error.RevlogError(
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2147 _(b"%s not found in the transaction") % self._indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2148 )
45884 63edc384d3b7 transaction: drop per-file extra data support Joerg Sonnenberger <joerg@bec.de> parents: 45879 diff changeset	2149 trindex = 0
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2150 tr.add(self._datafile, 0)
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2151
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2152 existing_handles = False
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2153 if self._writinghandles is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2154 existing_handles = True
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2155 fp = self._writinghandles[0]
8317 5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	2156 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	2157 fp.close()
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2158 # 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	2159 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2160 self._writinghandles = None
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2161
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2162 new_dfh = self._datafp(b'w+')
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2163 new_dfh.truncate(0) # drop any potentially existing data
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2164 try:
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	2165 with self._indexfp() as read_ifh:
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2166 for r in self:
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2167 new_dfh.write(self._getsegmentforrevs(r, r, df=read_ifh)[1])
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2168 if troffset <= self.start(r):
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2169 trindex = r
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2170 new_dfh.flush()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2171
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	2172 with self.__index_new_fp() as fp:
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2173 self._format_flags &= ~FLAG_INLINE_DATA
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2174 self._inline = False
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2175 for i in self:
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2176 e = self.index.entry_binary(i)
47246 6b1eae313b2f revlogv2: store version information in the docket only Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47245 diff changeset	2177 if i == 0 and self._docket is None:
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2178 header = self._format_flags \| self._format_version
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2179 header = self.index.pack_header(header)
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2180 e = header + e
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2181 fp.write(e)
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2182 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2183 self._docket.index_end = fp.tell()
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2184 # the temp file replace the real index when we exit the context
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2185 # manager
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2186
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2187 tr.replace(self._indexfile, trindex * self.index.entry_size)
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2188 nodemaputil.setup_persistent_nodemap(tr, self)
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2189 self._chunkclear()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2190
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2191 if existing_handles:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2192 # switched from inline to conventional reopen the index
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	2193 ifh = self.__index_write_fp()
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2194 self._writinghandles = (ifh, new_dfh)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2195 new_dfh = None
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2196 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2197 if new_dfh is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2198 new_dfh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2199
39891 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	2200 def _nodeduplicatecallback(self, transaction, node):
45957 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	2201 """called when trying to add a node already stored."""
39891 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	2202
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2203 @contextlib.contextmanager
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2204 def _writing(self, transaction):
47251 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	2205 if self._trypending:
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	2206 msg = b'try to write in a `trypending` revlog: %s'
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	2207 msg %= self.display_id
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47250 diff changeset	2208 raise error.ProgrammingError(msg)
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2209 if self._writinghandles is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2210 yield
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2211 else:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2212 r = len(self)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2213 dsize = 0
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2214 if r:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2215 dsize = self.end(r - 1)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2216 dfh = None
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2217 if not self._inline:
47228 8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2218 try:
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2219 dfh = self._datafp(b"r+")
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2220 if self._docket is None:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2221 dfh.seek(0, os.SEEK_END)
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2222 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2223 dfh.seek(self._docket.data_end, os.SEEK_SET)
47228 8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2224 except IOError as inst:
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2225 if inst.errno != errno.ENOENT:
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2226 raise
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2227 dfh = self._datafp(b"w+")
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2228 transaction.add(self._datafile, dsize)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2229 try:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2230 isize = r * self.index.entry_size
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	2231 ifh = self.__index_write_fp()
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2232 if self._inline:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2233 transaction.add(self._indexfile, dsize + isize)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2234 else:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2235 transaction.add(self._indexfile, isize)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2236 try:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2237 self._writinghandles = (ifh, dfh)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2238 try:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2239 yield
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	2240 if self._docket is not None:
47250 682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2241 self._write_docket(transaction)
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2242 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2243 self._writinghandles = None
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2244 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2245 ifh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2246 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2247 if dfh is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2248 dfh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2249
47250 682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2250 def _write_docket(self, transaction):
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2251 """write the current docket on disk
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2252
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2253 Exist as a method to help changelog to implement transaction logic
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2254
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2255 We could also imagine using the same transaction logic for all revlog
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2256 since docket are cheap."""
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2257 self._docket.write(transaction)
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2258
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2259 def addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2260 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2261 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2262 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2263 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2264 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2265 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2266 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2267 node=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2268 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2269 deltacomputer=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2270 sidedata=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2271 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2272 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2273
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2274 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2275 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2276 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2277 p1, p2 - the parent nodeids of the revision
12012 bade7a9c5c07 revlog: fix docstring Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12011 diff changeset	2278 cachedelta - an optional precomputed delta
19625 6a411a06cb1f revlog: pass node as an argument of addrevision Wojciech Lopata <lopek@fb.com> parents: 19624 diff changeset	2279 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	2280 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	2281 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	2282 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	2283 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	2284 multiple calls
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2285 """
19326 7014526d67a8 revlog: add exception when linkrev == nullrev Durham Goode <durham@fb.com> parents: 19200 diff changeset	2286 if link == nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2287 raise error.RevlogError(
47177 6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2288 _(b"attempted to add linkrev -1 to %s") % self.display_id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2289 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	2290
42988 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	2291 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	2292 sidedata = {}
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	2293 elif sidedata and not self.hassidedata:
43030 827cb4fe62a3 sidedata: introduce a new requirement to protect the feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43027 diff changeset	2294 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2295 _(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	2296 )
42988 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	2297
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2298 if flags:
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2299 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2300
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2301 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2302
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2303 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2304 # cachedelta.
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2305 if rawtext != text:
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2306 cachedelta = None
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2307
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2308 if len(rawtext) > _maxentrysize:
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	2309 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2310 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2311 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	2312 )
47176 dfe8074239de revlog: use revlog.display_id in "revision too big" errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47175 diff changeset	2313 % (self.display_id, len(rawtext))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2314 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	2315
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2316 node = node or self.hash(rawtext, p1, p2)
46560 f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46559 diff changeset	2317 rev = self.index.get_rev(node)
f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46559 diff changeset	2318 if rev is not None:
f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46559 diff changeset	2319 return rev
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	2320
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2321 if validatehash:
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2322 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2323
46560 f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46559 diff changeset	2324 return self.addrawrevision(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2325 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2326 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2327 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2328 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2329 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2330 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2331 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2332 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2333 deltacomputer=deltacomputer,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2334 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2335 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2336
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2337 def addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2338 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2339 rawtext,
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 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2345 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2346 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2347 deltacomputer=None,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2348 sidedata=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2349 ):
32284 3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32269 diff changeset	2350 """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	2351 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	2352 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	2353 """
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2354 with self._writing(transaction):
46559 9ee4e988e2be revlog: change addrawrevision to return the revision Joerg Sonnenberger <joerg@bec.de> parents: 46558 diff changeset	2355 return self._addrevision(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2356 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2357 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2358 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2359 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2360 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2361 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2362 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2363 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2364 deltacomputer=deltacomputer,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2365 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2366 )
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2367
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2368 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2369 """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	2370 if not data:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2371 return b'', data
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2372
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2373 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2374
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2375 if compressed:
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2376 # 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	2377 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2378
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2379 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2380 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2381 return b'u', data
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	2382
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2383 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2384 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2385
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2386 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	2387 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	2388 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2389 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2390 return data
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2391
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2392 # 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	2393 # 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	2394 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2395 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2396 # 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	2397 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2398 # 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	2399 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2400 # 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	2401 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2402 # 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	2403 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2404 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2405 # 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	2406 # 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	2407 # 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	2408 # 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	2409 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2410 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2411 # 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	2412 # 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	2413 t = data[0:1]
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2414
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2415 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	2416 try:
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2417 return _zlibdecompress(data)
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2418 except zlib.error as e:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2419 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2420 _(b'revlog decompress error: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2421 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2422 )
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2423 # '\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	2424 elif t == b'\0':
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2425 return data
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2426 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	2427 return util.buffer(data, 1)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2428
47265 eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	2429 compressor = self._get_decompressor(t)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2430
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2431 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	2432
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2433 def _addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2434 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2435 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2436 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2437 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2438 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2439 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2440 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2441 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2442 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2443 alwayscache=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2444 deltacomputer=None,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2445 sidedata=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2446 ):
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2447 """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	2448
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2449 see addrevision for argument descriptions.
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2450
ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2451 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	2452
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2453 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	2454 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2455
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2456 invariants:
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2457 - 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	2458 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	2459 """
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2460 if node == self.nullid:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2461 raise error.RevlogError(
47177 6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2462 _(b"%s: attempt to add null revision") % self.display_id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2463 )
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2464 if (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2465 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2466 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2467 ):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2468 raise error.RevlogError(
47177 6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2469 _(b"%s: attempt to add wdir revision") % self.display_id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2470 )
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2471 if self._writinghandles is None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2472 msg = b'adding revision outside `revlog._writing` context'
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2473 raise error.ProgrammingError(msg)
34045 bfb38c5cebf4 revlog: move check for wdir from changelog to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 34044 diff changeset	2474
35635 0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2475 if self._inline:
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2476 fh = self._writinghandles[0]
35635 0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2477 else:
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2478 fh = self._writinghandles[1]
35635 0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2479
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2480 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	2481
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2482 curr = len(self)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2483 prev = curr - 1
46723 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2484
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2485 offset = self._get_data_offset(prev)
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2486
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2487 if self._concurrencychecker:
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2488 ifh, dfh = self._writinghandles
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2489 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2490 # offset is "as if" it were in the .d file, so we need to add on
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2491 # the size of the entry metadata.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2492 self._concurrencychecker(
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2493 ifh, self._indexfile, offset + curr * self.index.entry_size
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2494 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2495 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2496 # Entries in the .i are a consistent size.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2497 self._concurrencychecker(
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2498 ifh, self._indexfile, curr * self.index.entry_size
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2499 )
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2500 self._concurrencychecker(dfh, self._datafile, offset)
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2501
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	2502 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	2503
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2504 # 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	2505 # become comparable to the uncompressed text
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2506 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	2507 # 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	2508 # 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	2509 # logic that might remove metadata size.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2510 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2511 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2512 )
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2513 else:
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2514 textlen = len(rawtext)
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2515
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2516 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	2517 deltacomputer = deltautil.deltacomputer(self)
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2518
35737 d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision Paul Morelle <paul.morelle@octobus.net> parents: 35641 diff changeset	2519 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	2520
39359 6f4b8f607a31 revlogdeltas: move special cases around raw revisions in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39357 diff changeset	2521 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	2522
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2523 compression_mode = COMP_MODE_INLINE
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2524 if self._docket is not None:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2525 h, d = deltainfo.data
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2526 if not h and not d:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2527 # not data to store at all... declare them uncompressed
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2528 compression_mode = COMP_MODE_PLAIN
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2529 elif not h:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2530 t = d[0:1]
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2531 if t == b'\0':
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2532 compression_mode = COMP_MODE_PLAIN
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2533 elif t == self._docket.default_compression_header:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2534 compression_mode = COMP_MODE_DEFAULT
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2535 elif h == b'u':
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2536 # we have a more efficient way to declare uncompressed
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2537 h = b''
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2538 compression_mode = COMP_MODE_PLAIN
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2539 deltainfo = deltautil.drop_u_compression(deltainfo)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2540
47267 2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	2541 sidedata_compression_mode = COMP_MODE_INLINE
47150 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	2542 if sidedata and self.hassidedata:
47267 2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	2543 sidedata_compression_mode = COMP_MODE_PLAIN
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2544 serialized_sidedata = sidedatautil.serialize_sidedata(sidedata)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2545 sidedata_offset = offset + deltainfo.deltalen
47269 c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2546 h, comp_sidedata = self.compress(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2547 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2548 h != b'u'
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2549 and comp_sidedata[0:1] != b'\0'
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2550 and len(comp_sidedata) < len(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2551 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2552 assert not h
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2553 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2554 comp_sidedata[0:1]
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2555 == self._docket.default_compression_header
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2556 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2557 sidedata_compression_mode = COMP_MODE_DEFAULT
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2558 serialized_sidedata = comp_sidedata
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2559 else:
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2560 sidedata_compression_mode = COMP_MODE_INLINE
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2561 serialized_sidedata = comp_sidedata
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2562 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2563 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2564 # Don't store the offset if the sidedata is empty, that way
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2565 # we can easily detect empty sidedata and they will be no different
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2566 # than ones we manually add.
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2567 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2568
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2569 e = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2570 offset_type(offset, flags),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2571 deltainfo.deltalen,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2572 textlen,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2573 deltainfo.base,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2574 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2575 p1r,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2576 p2r,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2577 node,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2578 sidedata_offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2579 len(serialized_sidedata),
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2580 compression_mode,
47267 2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	2581 sidedata_compression_mode,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2582 )
46717 913485776542 revlog: introduce v2 format Rapha?l Gom?s <rgomes@octobus.net> parents: 46646 diff changeset	2583
38889 6104b203bec8 index: replace insert(-1, e) method by append(e) method Martin von Zweigbergk <martinvonz@google.com> parents: 38888 diff changeset	2584 self.index.append(e)
47078 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47077 diff changeset	2585 entry = self.index.entry_binary(curr)
47246 6b1eae313b2f revlogv2: store version information in the docket only Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47245 diff changeset	2586 if curr == 0 and self._docket is None:
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	2587 header = self._format_flags \| self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	2588 header = self.index.pack_header(header)
47078 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47077 diff changeset	2589 entry = header + entry
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2590 self._writeentry(
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2591 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2592 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2593 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2594 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2595 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2596 serialized_sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2597 )
39360 5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2598
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2599 rawtext = btext[0]
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2600
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2601 if alwayscache and rawtext is None:
39225 dbc5ead9f40f revlog: fix typo in 'buildtext' name Boris Feld <boris.feld@octobus.net> parents: 39224 diff changeset	2602 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	2603
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2604 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	2605 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	2606 self._chainbasecache[curr] = deltainfo.chainbase
46558 07984507d553 revlog: change _addrevision to return the new revision Joerg Sonnenberger <joerg@bec.de> parents: 46530 diff changeset	2607 return curr
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2608
46723 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2609 def _get_data_offset(self, prev):
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2610 """Returns the current offset in the (in-transaction) data file.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2611 Versions < 2 of the revlog can get this 0(1), revlog v2 needs a docket
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2612 file to store that information: since sidedata can be rewritten to the
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2613 end of the data file within a transaction, you can have cases where, for
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2614 example, rev `n` does not have sidedata while rev `n - 1` does, leading
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2615 to `n - 1`'s sidedata being written after `n`'s data.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2616
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2617 TODO cache this in a docket file before getting out of experimental."""
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2618 if self._docket is None:
46723 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2619 return self.end(prev)
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2620 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2621 return self._docket.data_end
46723 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46722 diff changeset	2622
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2623 def _writeentry(self, transaction, entry, data, link, offset, sidedata):
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2624 # 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	2625 # 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	2626 # 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	2627 # 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	2628 # 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	2629 # 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	2630 # 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	2631 #
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2632 # 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	2633 # 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	2634 # 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	2635 # to be careful before changing this.
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2636 if self._writinghandles is None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2637 msg = b'adding revision outside `revlog._writing` context'
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2638 raise error.ProgrammingError(msg)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2639 ifh, dfh = self._writinghandles
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2640 if self._docket is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2641 ifh.seek(0, os.SEEK_END)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2642 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2643 ifh.seek(self._docket.index_end, os.SEEK_SET)
27441 e47841c8343d revlog: fix bad indentation (replace tab by space) Martin von Zweigbergk <martinvonz@google.com> parents: 27430 diff changeset	2644 if dfh:
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2645 if self._docket is None:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2646 dfh.seek(0, os.SEEK_END)
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2647 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2648 dfh.seek(self._docket.data_end, os.SEEK_SET)
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2649
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2650 curr = len(self) - 1
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2651 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2652 transaction.add(self._datafile, offset)
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2653 transaction.add(self._indexfile, curr * len(entry))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2654 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	2655 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	2656 dfh.write(data[1])
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2657 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2658 dfh.write(sidedata)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2659 ifh.write(entry)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2660 else:
46974 3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	2661 offset += curr * self.index.entry_size
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2662 transaction.add(self._indexfile, offset)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2663 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	2664 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	2665 ifh.write(data[1])
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2666 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2667 ifh.write(sidedata)
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2668 self._enforceinlinesize(transaction)
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2669 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2670 self._docket.index_end = self._writinghandles[0].tell()
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2671 self._docket.data_end = self._writinghandles[1].tell()
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2672
44351 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	2673 nodemaputil.setup_persistent_nodemap(transaction, self)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2674
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2675 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2676 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2677 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2678 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2679 transaction,
46445 711ba0f1057e revlog: decouple caching from addrevision callback for addgroup Joerg Sonnenberger <joerg@bec.de> parents: 46310 diff changeset	2680 alwayscache=False,
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2681 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2682 duplicaterevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2683 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2684 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2685 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2686
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2687 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	2688 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	2689 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	2690
00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2691 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	2692 this revlog and the node that was added.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2693 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2694
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2695 if self._adding_group:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2696 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	2697
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2698 self._adding_group = True
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2699 empty = True
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2700 try:
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2701 with self._writing(transaction):
47223 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2702 deltacomputer = deltautil.deltacomputer(self)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2703 # loop through our set of deltas
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2704 for data in deltas:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2705 (
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2706 node,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2707 p1,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2708 p2,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2709 linknode,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2710 deltabase,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2711 delta,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2712 flags,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2713 sidedata,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2714 ) = data
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2715 link = linkmapper(linknode)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2716 flags = flags or REVIDX_DEFAULT_FLAGS
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2717
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2718 rev = self.index.get_rev(node)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2719 if rev is not None:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2720 # this can happen if two branches make the same change
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2721 self._nodeduplicatecallback(transaction, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2722 if duplicaterevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2723 duplicaterevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2724 empty = False
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2725 continue
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2726
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2727 for p in (p1, p2):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2728 if not self.index.has_node(p):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2729 raise error.LookupError(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2730 p, self.radix, _(b'unknown parent')
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2731 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2732
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2733 if not self.index.has_node(deltabase):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2734 raise error.LookupError(
47223 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2735 deltabase, self.display_id, _(b'unknown delta base')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2736 )
24120 a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2737
47223 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2738 baserev = self.rev(deltabase)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2739
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2740 if baserev != nullrev and self.iscensored(baserev):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2741 # if base is censored, delta must be full replacement in a
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2742 # single patch operation
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2743 hlen = struct.calcsize(b">lll")
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2744 oldlen = self.rawsize(baserev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2745 newlen = len(delta) - hlen
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2746 if delta[:hlen] != mdiff.replacediffheader(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2747 oldlen, newlen
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2748 ):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2749 raise error.CensoredBaseError(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2750 self.display_id, self.node(baserev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2751 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2752
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2753 if not flags and self._peek_iscensored(baserev, delta):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2754 flags \|= REVIDX_ISCENSORED
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2755
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2756 # We assume consumers of addrevisioncb will want to retrieve
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2757 # the added revision, which will require a call to
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2758 # revision(). revision() will fast path if there is a cache
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2759 # hit. So, we tell _addrevision() to always cache in this case.
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2760 # We're only using addgroup() in the context of changegroup
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2761 # generation so the revision data can always be handled as raw
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2762 # by the flagprocessor.
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2763 rev = self._addrevision(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2764 node,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2765 None,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2766 transaction,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2767 link,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2768 p1,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2769 p2,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2770 flags,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2771 (baserev, delta),
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2772 alwayscache=alwayscache,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2773 deltacomputer=deltacomputer,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2774 sidedata=sidedata,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2775 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2776
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2777 if addrevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2778 addrevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2779 empty = False
6261 7c8101b5ceb1 revlog: make sure the files are closed after an exception happens Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 6228 diff changeset	2780 finally:
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2781 self._adding_group = False
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2782 return not empty
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2783
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2784 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2785 """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	2786 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2787 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2788
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2789 return self.flags(rev) & REVIDX_ISCENSORED
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2790
47180 c9ae2e7fe154 revlog: drop `flush` parameter from `_peek_iscensored` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47179 diff changeset	2791 def _peek_iscensored(self, baserev, delta):
24255 4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit Mike Edgar <adgar@google.com> parents: 24123 diff changeset	2792 """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	2793 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2794 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2795
40325 b0fbd1792e2d storageutil: extract most of peek_censored from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40298 diff changeset	2796 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	2797
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2798 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2799 """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	2800
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2801 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	2802 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	2803 """
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2804 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2805 minlink,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2806 len(self) - 1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2807 self.headrevs(),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2808 self.linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2809 self.parentrevs,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2810 )
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2811
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	2812 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	2813 """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	2814
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2815 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	2816 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	2817
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2818 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	2819 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	2820 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2821
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2822 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	2823 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	2824 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	2825 """
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2826 if len(self) == 0:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2827 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2828
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2829 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2830 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	2831 return
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2832
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2833 # first truncate the files on disk
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2834 data_end = self.start(rev)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2835 if not self._inline:
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2836 transaction.add(self._datafile, data_end)
46974 3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	2837 end = rev * self.index.entry_size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2838 else:
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2839 end = data_end + (rev * self.index.entry_size)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	2840
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2841 transaction.add(self._indexfile, end)
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2842 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2843 # XXX we could, leverage the docket while stripping. However it is
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2844 # not powerfull enough at the time of this comment
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2845 self._docket.index_end = end
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2846 self._docket.data_end = data_end
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2847 self._docket.write(transaction, stripping=True)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2848
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2849 # 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	2850 self._revisioncache = None
45802 8719a5b68419 revlog: use LRU for the chain cache Joerg Sonnenberger <joerg@bec.de> parents: 45735 diff changeset	2851 self._chaininfocache = util.lrucachedict(500)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	2852 self._chunkclear()
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2853
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	2854 del self.index[rev:-1]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2855
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2856 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	2857 """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	2858
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2859 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	2860 - 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	2861 - 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	2862
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2863 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	2864 """
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2865 expected = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2866 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2867 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	2868
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	2869 try:
36011 82afb1a5ed94 revlog: use context manager for data file lifetime in checksize Boris Feld <boris.feld@octobus.net> parents: 36010 diff changeset	2870 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	2871 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	2872 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2873 dd = actual - expected
25660 328739ea70c3 global: mass rewrite to use modern exception syntax Gregory Szorc <gregory.szorc@gmail.com> parents: 25459 diff changeset	2874 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2875 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2876 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2877 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2878
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2879 try:
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2880 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	2881 f.seek(0, io.SEEK_END)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2882 actual = f.tell()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	2883 f.close()
46974 3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46859 diff changeset	2884 s = self.index.entry_size
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	2885 i = max(0, actual // s)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2886 di = actual - (i * s)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2887 if self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2888 databytes = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2889 for r in self:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	2890 databytes += max(0, self.length(r))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2891 dd = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2892 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	2893 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2894 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2895 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2896 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2897
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2898 return (dd, di)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2899
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2900 def files(self):
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2901 res = [self._indexfile]
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2902 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2903 res.append(self._datafile)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2904 return res
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2905
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2906 def emitrevisions(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2907 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2908 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2909 nodesorder=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2910 revisiondata=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2911 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2912 deltamode=repository.CG_DELTAMODE_STD,
46728 45f0d5297698 changegroupv4: add sidedata helpers Rapha?l Gom?s <rgomes@octobus.net> parents: 46725 diff changeset	2913 sidedata_helpers=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2914 ):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2915 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	2916 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2917 b'unhandled value for nodesorder: %s' % nodesorder
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2918 )
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2919
5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2920 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	2921 nodesorder = b'storage'
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2922
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2923 if (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2924 not self._storedeltachains
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2925 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2926 ):
40495 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2927 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2928
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2929 return storageutil.emitrevisions(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2930 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2931 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2932 nodesorder,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2933 revlogrevisiondelta,
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2934 deltaparentfn=self.deltaparent,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2935 candeltafn=self.candelta,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2936 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2937 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2938 flagsfn=self.flags,
40495 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2939 deltamode=deltamode,
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2940 revisiondata=revisiondata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2941 assumehaveparentrevisions=assumehaveparentrevisions,
46728 45f0d5297698 changegroupv4: add sidedata helpers Rapha?l Gom?s <rgomes@octobus.net> parents: 46725 diff changeset	2942 sidedata_helpers=sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2943 )
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2944
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2945 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2946 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2947 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2948
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2949 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2950
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2951 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	2952
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2953 def clone(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2954 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2955 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2956 destrevlog,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2957 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2958 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2959 forcedeltabothparents=None,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	2960 sidedata_helpers=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2961 ):
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2962 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2963
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2964 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	2965 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	2966 differences.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2967
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2968 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	2969 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	2970 following values:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2971
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2972 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2973 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	2974 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	2975 fastest mode of operation.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2976 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2977 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	2978 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	2979 and optimization.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2980 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2981 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	2982 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	2983 algorithm changes).
42999 6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	2984 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	2985 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	2986 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	2987 eg: large file detection and handling.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2988
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2989 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	2990 significantly affect run time.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2991
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2992 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2993 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	2994 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	2995 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	2996 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	2997 revision.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2998
40855 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	2999 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	3000 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	3001 for merges. By default, the current default is used.
43133 3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3002
47100 8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module Rapha?l Gom?s <rgomes@octobus.net> parents: 47099 diff changeset	3003 See `revlogutil.sidedata.get_sidedata_helpers` for the doc on
8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module Rapha?l Gom?s <rgomes@octobus.net> parents: 47099 diff changeset	3004 `sidedata_helpers`.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3005 """
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3006 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	3007 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3008 _(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	3009 )
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3010
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3011 if len(destrevlog):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3012 raise ValueError(_(b'destination revlog is not empty'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3013
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3014 if getattr(self, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3015 raise ValueError(_(b'source revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3016 if getattr(destrevlog, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3017 raise ValueError(_(b'destination revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3018
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3019 # 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	3020 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3021 oldlazydelta = destrevlog._lazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3022 oldlazydeltabase = destrevlog._lazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	3023 oldamd = destrevlog._deltabothparents
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3024
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3025 try:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3026 if deltareuse == self.DELTAREUSEALWAYS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3027 destrevlog._lazydeltabase = True
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3028 destrevlog._lazydelta = True
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3029 elif deltareuse == self.DELTAREUSESAMEREVS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3030 destrevlog._lazydeltabase = False
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3031 destrevlog._lazydelta = True
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3032 elif deltareuse == self.DELTAREUSENEVER:
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3033 destrevlog._lazydeltabase = False
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3034 destrevlog._lazydelta = False
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3035
40855 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	3036 destrevlog._deltabothparents = forcedeltabothparents or oldamd
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3037
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3038 self._clone(
43133 3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3039 tr,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3040 destrevlog,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3041 addrevisioncb,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3042 deltareuse,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3043 forcedeltabothparents,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3044 sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3045 )
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	3046
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3047 finally:
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3048 destrevlog._lazydelta = oldlazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3049 destrevlog._lazydeltabase = oldlazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	3050 destrevlog._deltabothparents = oldamd
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3051
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3052 def _clone(
43133 3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3053 self,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3054 tr,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3055 destrevlog,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3056 addrevisioncb,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3057 deltareuse,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3058 forcedeltabothparents,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3059 sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3060 ):
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	3061 """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	3062 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	3063 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	3064 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	3065 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	3066
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3067 # 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	3068 # account. Use raw entry from index.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3069 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	3070 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	3071 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	3072 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	3073 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	3074
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3075 # (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	3076 # 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	3077 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	3078 rawtext = None
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3079 if deltareuse == self.DELTAREUSEFULLADD:
43133 3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3080 text, sidedata = self._revisiondata(rev)
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3081
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3082 if sidedata_helpers is not None:
47099 3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module Rapha?l Gom?s <rgomes@octobus.net> parents: 47098 diff changeset	3083 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3084 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3085 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3086 flags = flags \| new_flags[0] & ~new_flags[1]
45735 edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45671 diff changeset	3087
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3088 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3089 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3090 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3091 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3092 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3093 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3094 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3095 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3096 flags=flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3097 deltacomputer=deltacomputer,
43133 3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43117 diff changeset	3098 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3099 )
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	3100 else:
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3101 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3102 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3103 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3104 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	3105
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3106 sidedata = None
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3107 if not cachedelta:
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3108 rawtext, sidedata = self._revisiondata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3109 if sidedata is None:
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3110 sidedata = self.sidedata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3111
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3112 if sidedata_helpers is not None:
47099 3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module Rapha?l Gom?s <rgomes@octobus.net> parents: 47098 diff changeset	3113 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3114 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3115 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3116 flags = flags \| new_flags[0] & ~new_flags[1]
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3117
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	3118 with destrevlog._writing(tr):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3119 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3120 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3121 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3122 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3123 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3124 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3125 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3126 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3127 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3128 deltacomputer=deltacomputer,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3129 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3130 )
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	3131
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3132 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	3133 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	3134
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3135 def censorrevision(self, tr, censornode, tombstone=b''):
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3136 if self._format_version == REVLOGV0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3137 raise error.RevlogError(
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3138 _(b'cannot censor with version %d revlogs')
f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3139 % self._format_version
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3140 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3141
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3142 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	3143 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	3144
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3145 if len(tombstone) > self.rawsize(censorrev):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3146 raise error.Abort(
43117 8ff1ecfadcd1 cleanup: join string literals that are already on one line Martin von Zweigbergk <martinvonz@google.com> parents: 43106 diff changeset	3147 _(b'censor tombstone must be no longer than censored data')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3148 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3149
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3150 # 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	3151 # 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	3152 # revlogs on transaction close.
47159 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	3153 #
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3154 # This is a bit dangerous. We could easily have a mismatch of state.
47089 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	3155 newrl = revlog(
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	3156 self.opener,
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	3157 target=self.target,
47164 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	3158 radix=self.radix,
47159 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	3159 postfix=b'tmpcensored',
47089 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	3160 censorable=True,
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47082 diff changeset	3161 )
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3162 newrl._format_version = self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3163 newrl._format_flags = self._format_flags
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3164 newrl._generaldelta = self._generaldelta
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	3165 newrl._parse_index = self._parse_index
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3166
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3167 for rev in self.revs():
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3168 node = self.node(rev)
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3169 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	3170
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3171 if rev == censorrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3172 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3173 tombstone,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3174 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3175 self.linkrev(censorrev),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3176 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3177 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3178 censornode,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3179 REVIDX_ISCENSORED,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3180 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3181
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3182 if newrl.deltaparent(rev) != nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3183 raise error.Abort(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3184 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3185 b'censored revision stored as delta; '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3186 b'cannot censor'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3187 ),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3188 hint=_(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3189 b'censoring of revlogs is not '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3190 b'fully implemented; please report '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3191 b'this bug'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3192 ),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3193 )
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3194 continue
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3195
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3196 if self.iscensored(rev):
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3197 if self.deltaparent(rev) != nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3198 raise error.Abort(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3199 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3200 b'cannot censor due to censored '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3201 b'revision having delta stored'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3202 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3203 )
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3204 rawtext = self._chunk(rev)
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3205 else:
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	3206 rawtext = self.rawdata(rev)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3207
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3208 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3209 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	3210 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3211
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	3212 tr.addbackup(self._indexfile, location=b'store')
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3213 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	3214 tr.addbackup(self._datafile, location=b'store')
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3215
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	3216 self.opener.rename(newrl._indexfile, self._indexfile)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3217 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	3218 self.opener.rename(newrl._datafile, self._datafile)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3219
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3220 self.clearcaches()
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	3221 self._loadindex()
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3222
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3223 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3224 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3225
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3226 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3227 found.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3228 """
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3229 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3230 if dd:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3231 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	3232 if di:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3233 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	3234
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3235 version = self._format_version
39850 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	3236
e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	3237 # 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	3238 if version != state[b'expectedversion']:
39850 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	3239 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3240 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
47171 3a9f3470922c revlog: use revlog.display_id in format related errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47169 diff changeset	3241 % (self.display_id, version, state[b'expectedversion'])
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3242 )
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3243
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3244 state[b'skipread'] = set()
44073 b9e174d4ed11 verify: allow the storage to signal when renames can be tested on `skipread` Matt Harbison <matt_harbison@yahoo.com> parents: 44054 diff changeset	3245 state[b'safe_renamed'] = set()
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3246
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3247 for rev in self:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3248 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3249
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3250 # 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	3251 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3252 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3253 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3254 # 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	3255 # 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	3256 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3257 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3258 # 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	3259 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3260 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3261 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3262 # flags() \| 0 \| 0 \| 0 \| not 0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3263 # renamed() \| False \| True \| False \| ?
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3264 # 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	3265 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3266 # "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	3267 # 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	3268 # mentioned below is "revision(rev)".
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3269 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3270 # 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	3271 # 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	3272 # 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	3273 # 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	3274 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3275 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3276 # 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	3277 # "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	3278 # processors (see flagutil.addflagprocessor).
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3279 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3280 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3281 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3282 # rawsize() \| L1 \| L1 \| L1 \| L1
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3283 # size() \| L1 \| L2-LM \| L1(*) \| L1 (?)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3284 # len(rawtext) \| L2 \| L2 \| L2 \| L2
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3285 # len(text) \| L2 \| L2 \| L2 \| L3
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3286 # 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	3287 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3288 # 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	3289 # (*): 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	3290 # (?): 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	3291 # rename metadata
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3292 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3293 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3294 # 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	3295 # 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	3296 # 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	3297
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3298 try:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3299 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	3300 if skipflags:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3301 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3302
43962 7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	3303 _verify_revision(self, skipflags, state, node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3304
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3305 l1 = self.rawsize(rev)
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	3306 l2 = len(self.rawdata(node))
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3307
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3308 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3309 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3310 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	3311 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3312 )
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3313
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3314 except error.CensoredNodeError:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3315 if state[b'erroroncensored']:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3316 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3317 error=_(b'censored file data'), node=node
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3318 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3319 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3320 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3321 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3322 error=_(b'unpacking %s: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3323 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3324 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3325 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3326 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3327
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3328 def storageinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3329 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3330 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3331 sharedfiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3332 revisionscount=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3333 trackedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3334 storedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3335 ):
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3336 d = {}
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3337
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3338 if exclusivefiles:
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	3339 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	3340 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	3341 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	3342
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3343 if sharedfiles:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3344 d[b'sharedfiles'] = []
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3345
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3346 if revisionscount:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3347 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	3348
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3349 if trackedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3350 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	3351
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3352 if storedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3353 d[b'storedsize'] = sum(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3354 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	3355 )
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3356
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3357 return d
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3358
47227 2bd4b5218918 revlog: pass a transaction object to `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47226 diff changeset	3359 def rewrite_sidedata(self, transaction, helpers, startrev, endrev):
47150 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	3360 if not self.hassidedata:
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3361 return
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3362 # revlog formats with sidedata support does not support inline
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3363 assert not self._inline
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3364 if not helpers[1] and not helpers[2]:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3365 # Nothing to generate or remove
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3366 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3367
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3368 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3369 # append the new sidedata
47229 b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3370 with self._writing(transaction):
b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3371 ifh, dfh = self._writinghandles
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3372 if self._docket is not None:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3373 dfh.seek(self._docket.data_end, os.SEEK_SET)
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3374 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3375 dfh.seek(0, os.SEEK_END)
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3376
47226 042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47225 diff changeset	3377 current_offset = dfh.tell()
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3378 for rev in range(startrev, endrev + 1):
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3379 entry = self.index[rev]
47099 3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module Rapha?l Gom?s <rgomes@octobus.net> parents: 47098 diff changeset	3380 new_sidedata, flags = sidedatautil.run_sidedata_helpers(
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3381 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3382 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3383 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3384 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3385 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3386
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3387 serialized_sidedata = sidedatautil.serialize_sidedata(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3388 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3389 )
47270 07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3390
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3391 sidedata_compression_mode = COMP_MODE_INLINE
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3392 if serialized_sidedata and self.hassidedata:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3393 sidedata_compression_mode = COMP_MODE_PLAIN
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3394 h, comp_sidedata = self.compress(serialized_sidedata)
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3395 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3396 h != b'u'
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3397 and comp_sidedata[0] != b'\0'
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3398 and len(comp_sidedata) < len(serialized_sidedata)
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3399 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3400 assert not h
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3401 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3402 comp_sidedata[0]
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3403 == self._docket.default_compression_header
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3404 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3405 sidedata_compression_mode = COMP_MODE_DEFAULT
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3406 serialized_sidedata = comp_sidedata
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3407 else:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3408 sidedata_compression_mode = COMP_MODE_INLINE
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3409 serialized_sidedata = comp_sidedata
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3410 if entry[8] != 0 or entry[9] != 0:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3411 # rewriting entries that already have sidedata is not
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3412 # supported yet, because it introduces garbage data in the
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3413 # revlog.
47239 e51392acd70c revlog: fix capitalisation of an error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47233 diff changeset	3414 msg = b"rewriting existing sidedata is not supported yet"
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3415 raise error.Abort(msg)
47095 223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3416
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3417 # Apply (potential) flags to add and to remove after running
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3418 # the sidedata helpers
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3419 new_offset_flags = entry[0] \| flags[0] & ~flags[1]
47256 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3420 entry_update = (
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3421 current_offset,
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3422 len(serialized_sidedata),
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3423 new_offset_flags,
47270 07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3424 sidedata_compression_mode,
47256 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3425 )
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3426
47228 8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	3427 # the sidedata computation might have move the file cursors around
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	3428 dfh.seek(current_offset, os.SEEK_SET)
47226 042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47225 diff changeset	3429 dfh.write(serialized_sidedata)
47256 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3430 new_entries.append(entry_update)
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3431 current_offset += len(serialized_sidedata)
47253 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3432 if self._docket is not None:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	3433 self._docket.data_end = dfh.tell()
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3434
47229 b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3435 # rewrite the new index entries
b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3436 ifh.seek(startrev * self.index.entry_size)
47095 223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3437 for i, e in enumerate(new_entries):
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3438 rev = startrev + i
47256 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3439 self.index.replace_sidedata_info(rev, *e)
47078 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47077 diff changeset	3440 packed = self.index.entry_binary(rev)
47246 6b1eae313b2f revlogv2: store version information in the docket only Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47245 diff changeset	3441 if rev == 0 and self._docket is None:
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3442 header = self._format_flags \| self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3443 header = self.index.pack_header(header)
47078 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47077 diff changeset	3444 packed = header + packed
47226 042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47225 diff changeset	3445 ifh.write(packed)

Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/revlog.py @ 47280:6be2a7ca4b1d