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

annotate mercurial/revlog.py @ 47305:93a0abe098e7

revlog: avoid raising no-arg RevlogError for internal flow control I'm about to make RevlogError require a `message` argument and this code was failing. This patch refactors it to not raise an exception for intra-function flow control. Differential Revision: https://phab.mercurial-scm.org/D10740

author	Martin von Zweigbergk <martinvonz@google.com>
date	Tue, 18 May 2021 19:33:09 -0700
parents	46b828b85eb7
children	0a3fa41fa719

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
47281 25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	230 def parse_index_cl_v2(data, inline):
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	231 # call the C implementation to parse the index data
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	232 assert not inline
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	233 from .pure.parsers import parse_index_cl_v2
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	234
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	235 index, cache = parse_index_cl_v2(data)
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	236 return index, cache
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	237
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	238
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	239 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	240
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	241 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	242 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	243 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	244
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	245
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	246 else:
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	247 parse_index_v1_nodemap = None
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	248
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	249
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	250 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	251 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	252 return rustrevlog.MixedIndex(index), cache
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	253
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	254
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	255 # 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	256 # signed integer)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	257 _maxentrysize = 0x7FFFFFFF
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	258
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	259
42997 73288e7abe9b flagprocessors: remove flagprocessorsmixin Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42996 diff changeset	260 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	261 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	262 the underlying revision storage object
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 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	265
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	266 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	267 information on each revision, including its nodeid (hash), the
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	268 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	269 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	270 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	271 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	272
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	273 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	274 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	275 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	276 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	277 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	278 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	279
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	280 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	281 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	282 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	283 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	284
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29841 diff changeset	285 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	286 writing, to avoid file stat ambiguity.
34303 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	287
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	288 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	289 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	290 configured threshold.
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	291
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	292 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	293
bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42468 diff changeset	294 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	295 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	296
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	297 `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	298 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	299 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	300 raising).
47257 02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	301
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	302
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	303 Internal details
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	304 ----------------
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	305
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	306 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	307 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	308 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	309 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	310 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	311 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	312
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	313 [0] offset:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	314 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	315 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	316 retrieve it.
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 flags:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	319 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	320 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	321 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	322 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	323
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	324 [1] compressed length:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	325 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	326
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	327 [2] uncompressed length:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	328 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	329
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	330 [3] base rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	331 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	332 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	333 with general delta.
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	334
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	335 [4] link rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	336 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	337 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 [5] parent 1 rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	340 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	341
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	342 [6] parent 2 rev:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	343 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	344
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	345 [7] node id:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	346 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	347
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	348 [8] sidedata offset:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	349 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	350
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	351 [9] sidedata chunk length:
02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	352 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	353
130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	354 [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	355 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	356 (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	357 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	358
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	359 [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	360 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	361 (see "COMP_MODE_*" constants for details)
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	362 """
42996 3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	363
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	364 _flagserrorclass = error.RevlogError
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	365
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	366 def __init__(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	367 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	368 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	369 target,
47164 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	370 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	371 postfix=None, # only exist for `tmpcensored` now
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	372 checkambig=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	373 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	374 censorable=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	375 upperboundcomp=None,
44351 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	376 persistentnodemap=False,
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	377 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	378 trypending=False,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	379 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	380 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	381 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	382
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	383 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	384 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	385
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	386 `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	387 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	388 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	389 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	390 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	391 accurate value.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	392 """
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	393 self.upperboundcomp = upperboundcomp
47164 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	394
8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	395 self.radix = radix
8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	396
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	397 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	398 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	399 self._datafile = None
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	400 self._nodemap_file = None
47159 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	401 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	402 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	403 self.opener = opener
44351 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	404 if persistentnodemap:
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	405 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	406
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	407 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	408 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	409 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	410 # 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	411 # 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	412 self._checkambig = checkambig
41203 d0de4fdd87aa revlog: store mmaplargeindex as an instance attribute Gregory Szorc <gregory.szorc@gmail.com> parents: 41202 diff changeset	413 self._mmaplargeindex = mmaplargeindex
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	414 self._censorable = censorable
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	415 # 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	416 self._revisioncache = None
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	417 # 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	418 self._chainbasecache = util.lrucachedict(100)
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	419 # 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	420 self._chunkcache = (0, b'')
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	421 # 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	422 self._chunkcachesize = 65536
23255 76effa770ff9 revlog: add config variable for limiting delta-chain length Mateusz Kwapich <mitrandir@fb.com> parents: 23254 diff changeset	423 self._maxchainlen = None
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	424 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	425 self.index = None
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	426 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	427 self._nodemap_docket = None
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	428 # 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	429 self._pcache = {}
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	430 # 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	431 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	432 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	433 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	434 self._withsparseread = False
38717 aa21a9ad46ea sparse-revlog: new requirement enabled with format.sparse-revlog Paul Morelle <paul.morelle@octobus.net> parents: 38716 diff changeset	435 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	436 self.hassidedata = False
38632 eb8504715071 sparse-read: target density of 50% instead of 25% Paul Morelle <paul.morelle@octobus.net> parents: 38603 diff changeset	437 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	438 self._srmingapsize = 262144
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	439
39784 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	440 # 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	441 # 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	442 self._flagprocessors = dict(flagutil.flagprocessors)
39784 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39783 diff changeset	443
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	444 # 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	445 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	446 # 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	447 self._adding_group = None
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	448
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	449 self._loadindex()
e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	450
46646 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	451 self._concurrencychecker = concurrencychecker
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	452
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	453 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	454 """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	455
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	456 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	457
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	458 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	459
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	460 * newversionflags:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	461 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	462
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	463 * mmapindexthreshold:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	464 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	465
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	466 * force_nodemap:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	467 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	468 """
34303 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34298 diff changeset	469 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	470 opts = self.opener.options
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	471
47274 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47272 diff changeset	472 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	473 new_header = CHANGELOGV2
47274 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47272 diff changeset	474 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	475 new_header = REVLOGV2
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	476 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	477 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	478 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	479 new_header \|= FLAG_GENERALDELTA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	480 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	481 new_header = REVLOGV0
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	482 else:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	483 new_header = REVLOG_DEFAULT_VERSION
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	484
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	485 if b'chunkcachesize' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	486 self._chunkcachesize = opts[b'chunkcachesize']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	487 if b'maxchainlen' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	488 self._maxchainlen = opts[b'maxchainlen']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	489 if b'deltabothparents' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	490 self._deltabothparents = opts[b'deltabothparents']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	491 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	492 self._lazydeltabase = False
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41773 diff changeset	493 if self._lazydelta:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	494 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	495 if b'compengine' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	496 self._compengine = opts[b'compengine']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	497 if b'zlib.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	498 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	499 if b'zstd.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	500 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	501 if b'maxdeltachainspan' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	502 self._maxdeltachainspan = opts[b'maxdeltachainspan']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	503 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	504 mmapindexthreshold = opts[b'mmapindexthreshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	505 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	506 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	507 # sparse-revlog forces sparse-read
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	508 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	509 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	510 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	511 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	512 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	513 if opts.get(b'enableellipsis'):
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	514 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	515
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41118 diff changeset	516 # 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	517 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	518 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	519 ):
42748 5109217a9ab6 flagutil: move insertflagprocessor to the new module (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42747 diff changeset	520 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	521
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	522 if self._chunkcachesize <= 0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	523 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	524 _(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	525 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	526 )
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	527 elif self._chunkcachesize & (self._chunkcachesize - 1):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	528 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	529 _(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	530 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	531 )
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	532 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	533 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	534
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	535 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	536 """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	537
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	538 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	539 try:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	540 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	541 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	542 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	543 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	544 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	545 # 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	546 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	547 # 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	548 # 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	549 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	550 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	551 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	552 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	553 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	554 return fp.read()
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	555 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	556 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	557 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	558 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	559 raise
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	560 return b''
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47182 diff changeset	561
47158 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	562 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	563
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	564 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	565
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	566 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	567 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	568 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	569 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	570 else:
47189 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	571 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	572
47190 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	573 entry_data = b''
14334 85c82ebc96a3 changelog: don't use generaldelta Sune Foldager <cryo@cyanite.org> parents: 14333 diff changeset	574 self._initempty = True
47190 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	575 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	576 if len(entry_data) > 0:
8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	577 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	578 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	579 else:
47185 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47184 diff changeset	580 header = new_header
47184 6e0ee1810fbd revlog: rename `versionflags` to header Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47183 diff changeset	581
47188 58ef549ae55f revlog: directly use self._format_flags when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47187 diff changeset	582 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	583 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	584
47241 0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	585 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	586 if supported_flags is None:
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	587 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	588 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	589 raise error.RevlogError(msg)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	590 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	591 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	592 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	593 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	594 raise error.RevlogError(msg)
0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	595
47242 4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	596 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	597 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	598 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	599 self.hassidedata = features[b'sidedata']
46793 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	600
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	601 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	602 self._indexfile = entry_point
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	603 index_data = entry_data
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	604 else:
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	605 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	606 if self._initempty:
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	607 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	608 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	609 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	610 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	611 )
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	612 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	613 index_data = b''
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	614 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	615 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	616 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	617 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	618 )
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	619 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	620 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	621 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	622 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	623
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	624 self._inline = False
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	625 # 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	626 self._generaldelta = True
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	627 # 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	628 # 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	629 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	630
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	631 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	632 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	633 else:
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47188 diff changeset	634 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	635
46793 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	636 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	637 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46792 diff changeset	638
41312 189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41310 diff changeset	639 # 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	640 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	641 self._sparserevlog = False
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	642
39260 0a5b20c107a6 repository: remove storedeltachains from ifilestorage Gregory Szorc <gregory.szorc@gmail.com> parents: 39259 diff changeset	643 self._storedeltachains = True
30154 5e72129d75ed revlog: add instance variable controlling delta chain use Gregory Szorc <gregory.szorc@gmail.com> parents: 30014 diff changeset	644
44356 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44353 diff changeset	645 devel_nodemap = (
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	646 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	647 and force_nodemap
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	648 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	649 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44353 diff changeset	650
44523 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	651 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	652 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	653 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	654 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	655 else:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44511 diff changeset	656 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	657
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	658 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	659 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	660 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	661 elif self._format_version == REVLOGV2:
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	662 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	663 elif self._format_version == CHANGELOGV2:
47281 25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47280 diff changeset	664 self._parse_index = parse_index_cl_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	665 elif devel_nodemap:
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	666 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	667 elif use_rust_index:
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	668 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	669 try:
47190 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47189 diff changeset	670 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	671 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	672 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	673 not self._inline
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	674 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	675 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	676 )
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44356 diff changeset	677 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	678 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	679 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	680 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	681 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44526 diff changeset	682 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	683 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	684 ):
44525 6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	685 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	686 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44523 diff changeset	687 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	688 except (ValueError, IndexError):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	689 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	690 _(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	691 )
43574 e258ad110488 revlog: no longer return the nodemap after parsing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43573 diff changeset	692 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	693 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	694 self._chunkclear()
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	695 # revnum -> (chain-length, sum-delta-length)
45802 8719a5b68419 revlog: use LRU for the chain cache Joerg Sonnenberger <joerg@bec.de> parents: 45735 diff changeset	696 self._chaininfocache = util.lrucachedict(500)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	697 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	698 self._decompressors = {}
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	699
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	700 @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	701 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	702 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	703
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	704 @util.propertycache
47167 fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	705 def display_id(self):
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	706 """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	707 # 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	708 # 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	709 return self.radix
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	710
47265 eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	711 def _get_decompressor(self, t):
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	712 try:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	713 compressor = self._decompressors[t]
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	714 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	715 try:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	716 engine = util.compengines.forrevlogheader(t)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	717 compressor = engine.revlogcompressor(self._compengineopts)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	718 self._decompressors[t] = compressor
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	719 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	720 raise error.RevlogError(
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	721 _(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	722 )
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	723 return compressor
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	724
47167 fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	725 @util.propertycache
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	726 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	727 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	728 return engine.revlogcompressor(self._compengineopts)
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	729
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	730 @util.propertycache
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	731 def _decompressor(self):
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	732 """the default decompressor"""
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	733 if self._docket is None:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	734 return None
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	735 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	736 c = self._get_decompressor(t)
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	737 return c.decompress
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	738
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	739 def _indexfp(self):
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	740 """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	741 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	742
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	743 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	744 # 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	745 try:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	746 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	747 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	748 )
47249 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	749 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	750 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	751 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	752 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	753 return f
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	754 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	755 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	756 raise
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	757 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	758 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	759 )
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	760
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	761 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	762 # 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	763 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	764 self._indexfile,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	765 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	766 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	767 atomictemp=True,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	768 )
36007 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 36006 diff changeset	769
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	770 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	771 """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	772 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	773
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	774 @contextlib.contextmanager
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	775 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	776 """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	777 # 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	778 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	779 yield existingfp
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	780
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	781 # 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	782 # 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	783 # 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	784 # so we should be safe.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	785 elif self._writinghandles:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	786 if self._inline:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	787 yield self._writinghandles[0]
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	788 else:
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	789 yield self._writinghandles[1]
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	790
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	791 # 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	792 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	793 if self._inline:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	794 func = self._indexfp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	795 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	796 func = self._datafp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	797 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	798 yield fp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	799
43492 ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	800 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	801 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	802
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	803 def tip(self):
43492 ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	804 return self.node(self.tiprev())
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	805
24030 828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	806 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	807 return 0 <= rev < len(self)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	808
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	809 def __len__(self):
38890 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38889 diff changeset	810 return len(self.index)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	811
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	812 def __iter__(self):
38823 e7aa113b14f7 global: use pycompat.xrange() Gregory Szorc <gregory.szorc@gmail.com> parents: 38818 diff changeset	813 return iter(pycompat.xrange(len(self)))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	814
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	815 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	816 """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	817 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	818
43622 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	819 @property
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	820 def nodemap(self):
43622 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	821 msg = (
43663 c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43628 diff changeset	822 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	823 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	824 )
02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43621 diff changeset	825 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	826 return self.index.nodemap
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	827
43578 6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	828 @property
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	829 def _nodecache(self):
43663 c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43628 diff changeset	830 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	831 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	832 return self.index.nodemap
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43577 diff changeset	833
16374 29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	834 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	835 try:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	836 self.rev(node)
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	837 return True
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	838 except KeyError:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	839 return False
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	840
35839 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	841 def candelta(self, baserev, rev):
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	842 """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	843 # 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	844 # 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	845 # 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	846 # 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	847 # rawtext contents) and the delta could be incompatible.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	848 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	849 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	850 ):
35839 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	851 return False
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	852 return True
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	853
44465 336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	854 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	855 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	856 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	857 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	858 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44397 diff changeset	859 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	860
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	861 def clearcaches(self):
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	862 self._revisioncache = None
29841 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	863 self._chainbasecache.clear()
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	864 self._chunkcache = (0, b'')
27465 072a675c51f2 revlog: make clearcaches() more effective Gregory Szorc <gregory.szorc@gmail.com> parents: 27449 diff changeset	865 self._pcache = {}
44511 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	866 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	867 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	868 # 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	869 # 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	870 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	871 not self._inline
47178 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47177 diff changeset	872 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	873 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	874 )
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	875 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44503 diff changeset	876 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	877 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	878 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	879 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	880
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	881 def rev(self, node):
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	882 try:
43601 2da51e292734 index: use `index.rev` in `revlog.rev` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43600 diff changeset	883 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	884 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4 Matt Mackall <mpm@selenic.com> parents: 21752 diff changeset	885 raise
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	886 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	887 # 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	888 if (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	889 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	890 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	891 ):
43573 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43572 diff changeset	892 raise error.WdirUnsupported
47169 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	893 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	894
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	895 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	896
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	897 # 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	898 # are flags.
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	899 def start(self, rev):
5006 c2febf5420e9 revlog: minor chunk speed-up Matt Mackall <mpm@selenic.com> parents: 5005 diff changeset	900 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	901
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	902 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	903 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	904
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	905 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	906 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	907
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	908 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	909 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	910 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	911 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	912
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	913 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	914 """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	915 l = self.index[rev][2]
38210 7fa3408f83ef revlog: disallow setting uncompressed length to None Yuya Nishihara <yuya@tcha.org> parents: 38202 diff changeset	916 if l >= 0:
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	917 return l
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	918
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	919 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	920 return len(t)
31856 0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	921
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	922 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	923 """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	924 # 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	925 # 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	926 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	927 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	928 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	929
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	930 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	931
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	932 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	933 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	934 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	935 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	936
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	937 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	938 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	939 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	940 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	941 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38201 diff changeset	942 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	943
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29840 diff changeset	944 self._chainbasecache[rev] = base
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	945 return base
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	946
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	947 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	948 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	949
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	950 def parentrevs(self, rev):
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	951 try:
35525 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35354 diff changeset	952 entry = self.index[rev]
32441 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	953 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	954 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	955 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32431 diff changeset	956 raise
46792 49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	957 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	958 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	959 else:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	960 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	961
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	962 # 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	963 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	964
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	965 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	966 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	967 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	968 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	969 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	970 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32441 diff changeset	971 raise
30301 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	972
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	973 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	974
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	975 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	976 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	977
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	978 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	979 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	980 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	981 # 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	982 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	983 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	984 else:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists Joerg Sonnenberger <joerg@bec.de> parents: 46731 diff changeset	985 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	986
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	987 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	988 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	989
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	990 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	991 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	992 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	993 return chaininfocache[rev]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	994 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	995 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	996 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	997 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	998 clen = 0
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	999 compresseddeltalen = 0
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1000 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1001 clen += 1
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	1002 compresseddeltalen += e[1]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1003 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1004 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1005 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1006 iterrev -= 1
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1007 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	1008 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1009 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1010 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1011 break
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	1012 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	1013 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1014 # 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	1015 # 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	1016 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1017 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1018 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1019 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	1020
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1021 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	1022 """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	1023
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1024 ``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	1025 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	1026
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1027 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	1028 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	1029 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1030 """
33173 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1031 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1032 try:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1033 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	1034 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1035 pass
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32987 diff changeset	1036
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1037 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1038
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1039 # 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	1040 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1041 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1042
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1043 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1044 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1045 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	1046 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1047 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1048 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1049 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1050 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1051 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1052
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1053 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1054 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1055 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1056 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1057 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1058
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1059 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1060 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	1061
18081 f88c60e740a1 revlog.ancestors: add support for including revs Siddharth Agarwal <sid0@fb.com> parents: 17975 diff changeset	1062 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	1063 """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	1064 Does not generate revs lower than stoprev.
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1065
18090 9abc55ef85b5 revlog: move ancestor generation out to a new class Siddharth Agarwal <sid0@fb.com> parents: 18083 diff changeset	1066 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	1067
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1068 # 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	1069 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1070 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1071 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1072 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40057 diff changeset	1073 # 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	1074
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	1075 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	1076 lazyancestors = rustancestor.LazyAncestors
41118 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1077 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1078 else:
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1079 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1080 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41089 diff changeset	1081 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	1082
16867 1093ad1e8903 revlog: descendants(revs) becomes descendants(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16866 diff changeset	1083 def descendants(self, revs):
40000 0b24fcd88066 dagop: extract descendants() from revlog module Gregory Szorc <gregory.szorc@gmail.com> parents: 39913 diff changeset	1084 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	1085
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1086 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1087 """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	1088 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	1089 tuple:
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1090
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	1091 ::common, (::heads) - (::common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1092
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1093 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	1094 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1095
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1096 '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	1097 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	1098 supplied, uses nullid."""
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1099 if common is None:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1100 common = [self.nullid]
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1101 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1102 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1103
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1104 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	1105 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	1106
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1107 # we want the ancestors, but inclusive
20073 eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1108 class lazyset(object):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1109 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1110 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1111 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1112
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1113 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1114 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	1115
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1116 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1117 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1118 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1119 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1120 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1121 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1122 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1123
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1124 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1125 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1126
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1127 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1128 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1129
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1130 has = lazyset(self.ancestors(common))
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1131 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1132 has.update(common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1133
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1134 # 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	1135 missing = set()
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	1136 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	1137 while visit:
16803 107a3270a24a cleanup: use the deque type where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	1138 r = visit.popleft()
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1139 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1140 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1141 else:
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	1142 missing.add(r)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1143 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	1144 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1145 visit.append(p)
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	1146 missing = list(missing)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1147 missing.sort()
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1148 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	1149
23337 3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1150 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1151 """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	1152 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	1153 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	1154 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1155
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1156 '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	1157 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1158 """
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1159 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1160 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1161
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	1162 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	1163 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	1164 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	1165
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1166 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1167 """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	1168 are not ancestors of common.
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 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	1171 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	1172
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1173 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	1174 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	1175
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1176 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	1177 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1178
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1179 '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	1180 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	1181 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1182 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1183 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1184 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1185 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1186
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1187 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1188 return inc.missingancestors(heads)
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1189
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1190 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1191 """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	1192
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1193 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	1194 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1195
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1196 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	1197 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	1198
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1199 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	1200 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1201
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1202 '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	1203 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	1204 supplied, uses nullid."""
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1205 if common is None:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1206 common = [self.nullid]
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1207 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1208 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1209
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1210 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	1211 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	1212
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1213 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1214 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	1215
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1216 def nodesbetween(self, roots=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1217 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1218
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1219 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	1220 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	1221 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1222
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1223 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	1224 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	1225
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1226 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	1227 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	1228 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	1229
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1230 '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	1231 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	1232 '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	1233
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1234 '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	1235 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	1236 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	1237 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1238 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	1239 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	1240 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	1241 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1242 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	1243 else:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1244 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	1245 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1246 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	1247 # We want _all_ the nodes!
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1248 return (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1249 [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	1250 [self.nullid],
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1251 list(self.heads()),
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1252 )
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1253 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	1254 # 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	1255 # node.
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1256 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	1257 # 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	1258 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1259 # 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	1260 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1261 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	1262 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	1263 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	1264 return nonodes
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	1265 ancestors = set()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1266 # 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	1267 # 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	1268 # find from roots.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	1269 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	1270 # 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	1271 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	1272 # 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	1273 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	1274 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1275 # 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	1276 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1277 # Never tag nullid
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1278 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	1279 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1280 # 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	1281 # 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	1282 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	1283 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1284 if n not in ancestors:
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1285 # 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	1286 # 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	1287 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	1288 # 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	1289 nodestotag.update(
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1290 [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	1291 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1292 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	1293 # 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	1294 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1295 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	1296 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	1297 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1298 # 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	1299 # 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	1300
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1301 # 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	1302 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	1303 # 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	1304 # 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	1305
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1306 # 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	1307 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	1308 # 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	1309 if roots:
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1310 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	1311 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1312 # 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	1313 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1314 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1315 # 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	1316 # 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	1317 lowestrev = nullrev
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1318 roots = [self.nullid]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1319 # Transform our roots list into a set.
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1320 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	1321 # 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	1322 # '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	1323 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	1324 # 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	1325 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1326 # 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	1327 # 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	1328 # 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	1329 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	1330 n = self.node(r)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1331 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1332 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	1333 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1334 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1335 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1336 isdescendant = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1337 # 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	1338 # 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	1339 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	1340 # 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	1341 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1342 # 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	1343 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	1344 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	1345 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1346 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1347 # 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	1348 # 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	1349 # up there, remember?)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1350 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	1351 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1352 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1353 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	1354 # 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	1355 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1356 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	1357 # 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	1358 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1359 # 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	1360 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	1361 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	1362 # 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	1363 # 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	1364 # 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	1365 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	1366 # 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	1367 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	1368 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	1369 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	1370 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	1371 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1372 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1373 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1374 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	1375
41275 1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1376 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1377 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1378 try:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1379 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1380 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1381 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	1382 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	1383 return rustdagop.headrevs(self.index, revs)
41772 6843379bf99e changelog: prefilter in headrevs() Georges Racinet <georges.racinet@octobus.net> parents: 41700 diff changeset	1384 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	1385
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1386 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	1387 return self.index.computephasesmapsets(roots)
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1388
17674 e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	1389 def _headrevs(self):
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1390 count = len(self)
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1391 if not count:
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1392 return [nullrev]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1393 # 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	1394 ishead = [0] * (count + 1)
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1395 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	1396 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	1397 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	1398 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	1399 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	1400 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	1401
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	1402 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	1403 """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	1404
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1405 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	1406 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	1407 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	1408 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1409 """
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	1410 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	1411 if not len(self):
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1412 return [self.nullid]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1413 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	1414
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1415 if start is None:
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1416 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1417 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1418 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1419
44470 9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things Augie Fackler <augie@google.com> parents: 44465 diff changeset	1420 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	1421
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1422 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1423 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1424 )
40001 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1425
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40000 diff changeset	1426 return [self.node(rev) for rev in revs]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1427
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1428 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1429 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1430 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1431 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	1432 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	1433 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	1434 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	1435 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	1436 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	1437 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	1438 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	1439 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1440 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1441
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1442 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1443 """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	1444 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	1445 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	1446 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	1447
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1448 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1449 """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	1450 try:
38516 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38515 diff changeset	1451 ancs = self.index.commonancestorsheads(*revs)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1452 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	1453 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	1454 return ancs
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1455
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1456 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	1457 """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	1458
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API) Martin von Zweigbergk <martinvonz@google.com> parents: 38663 diff changeset	1459 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	1460 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	1461 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	1462
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1463 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	1464 """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	1465
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1466 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	1467
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1468 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	1469 reachableroots is not."""
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1470 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1471 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1472 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1473 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1474 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1475 return False
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1476 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	1477
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1478 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	1479 """return (heads(::(<roots> and <roots>::<heads>)))
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1480
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1481 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1482 try:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1483 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1484 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1485 )
42462 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1486 except AttributeError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1487 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1488 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1489 )
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1490
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1491 def ancestor(self, a, b):
22389 94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor' Mads Kiilerich <madski@unity3d.com> parents: 22381 diff changeset	1492 """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	1493
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1494 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	1495 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1496 ancs = self.index.ancestors(a, b)
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1497 except (AttributeError, OverflowError):
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1498 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	1499 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie Bryan O'Sullivan <bryano@fb.com> parents: 18986 diff changeset	1500 # choose a consistent winner when there's a tie
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1501 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	1502 return self.nullid
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1503
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1504 def _match(self, id):
16762 93f8b9565257 revlog: don't handle long for revision matching Matt Mackall <mpm@selenic.com> parents: 16686 diff changeset	1505 if isinstance(id, int):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1506 # 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	1507 return self.node(id)
47082 c5e1cc0b4c77 core: don't hard-code node length Joerg Sonnenberger <joerg@bec.de> parents: 47081 diff changeset	1508 if len(id) == self.nodeconstants.nodelen:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1509 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1510 # 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	1511 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1512 node = id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1513 self.rev(node) # quick search the index
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1514 return node
39791 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39790 diff changeset	1515 except error.LookupError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1516 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	1517 try:
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1518 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1519 rev = int(id)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1520 if b"%d" % rev != id:
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1521 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1522 if rev < 0:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1523 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1524 if rev < 0 or rev >= len(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1525 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1526 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	1527 except (ValueError, OverflowError):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1528 pass
47081 a407fe56d6e8 core: don't hard-code hex node lengths Joerg Sonnenberger <joerg@bec.de> parents: 47079 diff changeset	1529 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	1530 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1531 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1532 node = bin(id)
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	1533 self.rev(node)
3157 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3156 diff changeset	1534 return node
39791 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39790 diff changeset	1535 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	1536 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1537
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1538 def _partialmatch(self, id):
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	1539 # 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	1540 maybewdir = self.nodeconstants.wdirhex.startswith(id)
47305 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1541 ambiguous = False
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1542 try:
30401 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1543 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30303 diff changeset	1544 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	1545 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1546 # single 'ff...' match in radix tree, ambiguous with wdir
47305 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1547 ambiguous = True
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1548 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1549 return partial
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1550 elif maybewdir:
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1551 # 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	1552 raise error.WdirUnsupported
47305 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1553 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1554 return None
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1555 except error.RevlogError:
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1556 # 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	1557 # 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	1558 if not getattr(self, 'filteredrevs', None):
47305 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1559 ambiguous = True
19471 fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979) Matt Mackall <mpm@selenic.com> parents: 19326 diff changeset	1560 # 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	1561 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1562 # 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	1563 pass
47305 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1564 if ambiguous:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1565 raise error.AmbiguousPrefixLookupError(
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1566 id, self.display_id, _(b'ambiguous identifier')
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47296 diff changeset	1567 )
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1568
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1569 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1570 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1571
37819 ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids Martin von Zweigbergk <martinvonz@google.com> parents: 37767 diff changeset	1572 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	1573 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1574 # hex(node)[:...]
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	1575 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	1576 prefix = bin(id[: l * 2])
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	1577 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	1578 nl = [
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1579 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	1580 ]
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1581 if self.nodeconstants.nullhex.startswith(id):
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1582 nl.append(self.nullid)
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1583 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	1584 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	1585 self._pcache[id] = nl[0]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1586 return nl[0]
39790 4a2466b2a434 revlog: drop some more error aliases (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39789 diff changeset	1587 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	1588 id, self.display_id, _(b'ambiguous identifier')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1589 )
32704 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1590 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32679 diff changeset	1591 raise error.WdirUnsupported
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1592 return None
36275 f574cc00831a node: make bin() be a wrapper instead of just an alias Augie Fackler <augie@google.com> parents: 36013 diff changeset	1593 except TypeError:
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1594 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1595
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1596 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1597 """locate a node based on:
45957 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	1598 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	1599 - 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	1600 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1601 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1602 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	1603 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1604 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1605 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1606 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1607
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(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	1609
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1610 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	1611 """Find the shortest unambiguous prefix that matches node."""
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1612
37907 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1613 def isvalid(prefix):
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1614 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	1615 matchednode = self._partialmatch(prefix)
39836 7a9e2d85f475 revlog: catch more specific exception in shortest() Yuya Nishihara <yuya@tcha.org> parents: 39794 diff changeset	1616 except error.AmbiguousPrefixLookupError:
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1617 return False
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1618 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1619 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1620 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	1621 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	1622 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	1623 return True
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1624
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1625 def maybewdir(prefix):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1626 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	1627
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1628 hexnode = hex(node)
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1629
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1630 def disambiguate(hexnode, minlength):
38015 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 38014 diff changeset	1631 """Disambiguate against wdirid."""
45054 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44803 diff changeset	1632 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	1633 prefix = hexnode[:length]
38015 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 38014 diff changeset	1634 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	1635 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1636
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1637 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	1638 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1639 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	1640 return disambiguate(hexnode, length)
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	1641 except error.RevlogError:
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1642 if node != self.nodeconstants.wdirid:
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	1643 raise error.LookupError(
47169 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	1644 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	1645 )
38012 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1646 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1647 # 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	1648 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37909 diff changeset	1649
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1650 if node == self.nodeconstants.wdirid:
45054 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44803 diff changeset	1651 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	1652 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1653 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1654 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 38012 diff changeset	1655
45054 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44803 diff changeset	1656 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	1657 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37906 diff changeset	1658 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	1659 return disambiguate(hexnode, length)
34257 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34160 diff changeset	1660
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1661 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	1662 """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	1663
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1664 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	1665 """
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1666 p1, p2 = self.parents(node)
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	1667 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	1668
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1669 def _cachesegment(self, offset, data):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1670 """Add a segment to the revlog cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1671
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1672 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	1673 """
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1674 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1675 # try to add to existing cache
13253 61c9bc3da402 revlog: remove lazy index Matt Mackall <mpm@selenic.com> parents: 13239 diff changeset	1676 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	1677 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1678 else:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1679 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1680
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1681 def _readsegment(self, offset, length, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1682 """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	1683
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1684 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	1685 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	1686
dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1687 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	1688 original seek position will NOT be restored.
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1689
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1690 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	1691
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1692 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	1693 """
20179 5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB Brodie Rao <brodie@sf.io> parents: 20074 diff changeset	1694 # 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	1695 # 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	1696 # 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	1697 cachesize = self._chunkcachesize
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	1698 realoffset = offset & ~(cachesize - 1)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1699 reallength = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1700 (offset + length + cachesize) & ~(cachesize - 1)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1701 ) - realoffset
36012 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1702 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	1703 df.seek(realoffset)
4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 36011 diff changeset	1704 d = df.read(reallength)
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1705
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1706 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	1707 if offset != realoffset or reallength != length:
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1708 startoffset = offset - realoffset
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1709 if len(d) - startoffset < length:
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1710 raise error.RevlogError(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1711 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1712 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	1713 b'offset %d, got %d'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1714 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1715 % (
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	1716 self._indexfile if self._inline else self._datafile,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1717 length,
47179 590f2364d33a revlog: fix error message when data are missing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47178 diff changeset	1718 offset,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1719 len(d) - startoffset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1720 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1721 )
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1722
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1723 return util.buffer(d, startoffset, length)
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1724
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1725 if len(d) < length:
87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1726 raise error.RevlogError(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1727 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1728 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	1729 b'%d, got %d'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1730 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1731 % (
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	1732 self._indexfile if self._inline else self._datafile,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1733 length,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1734 offset,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1735 len(d),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1736 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1737 )
40670 87a872555e90 revlog: detect incomplete revlog reads Gregory Szorc <gregory.szorc@gmail.com> parents: 40669 diff changeset	1738
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1739 return d
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1740
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1741 def _getsegment(self, offset, length, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1742 """Obtain a segment of raw data from the revlog.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1743
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1744 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	1745 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	1746 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	1747
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1748 Requests for data may be returned from a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1749
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1750 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	1751 """
8316 d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1752 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1753 l = len(d)
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1754
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1755 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1756 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1757 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1758 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code Matt Mackall <mpm@selenic.com> parents: 8315 diff changeset	1759 if cachestart == 0 and cacheend == l:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1760 return d # avoid a copy
16423 a150923b49ba revlog: avoid an expensive string copy Bryan O'Sullivan <bryano@fb.com> parents: 16418 diff changeset	1761 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	1762
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1763 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	1764
32269 75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs() Gregory Szorc <gregory.szorc@gmail.com> parents: 32267 diff changeset	1765 def _getsegmentforrevs(self, startrev, endrev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1766 """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	1767
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1768 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	1769 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	1770 seek position will not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1771
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1772 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1773
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1774 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	1775 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	1776 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	1777
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1778 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	1779 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	1780 """
30302 ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1781 # 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	1782 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1783 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1784 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30301 diff changeset	1785 start = int(istart[0] >> 16)
30303 1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1786 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1787 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1788 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1789 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30302 diff changeset	1790 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	1791
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1792 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	1793 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	1794 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	1795 length = end - start
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1796
32267 1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment" Gregory Szorc <gregory.szorc@gmail.com> parents: 31856 diff changeset	1797 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	1798
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1799 def _chunk(self, rev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1800 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1801
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1802 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	1803 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	1804 be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1805
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1806 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1807 """
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1808 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	1809 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	1810 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	1811 return data
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1812 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	1813 return self._decompressor(data)
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1814 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	1815 return self.decompress(data)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1816 else:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1817 msg = 'unknown compression mode %d'
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1818 msg %= compression_mode
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1819 raise error.RevlogError(msg)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1820
38644 43d0619cec90 revlog: enforce chunk slicing down to a certain size Boris Feld <boris.feld@octobus.net> parents: 38643 diff changeset	1821 def _chunks(self, revs, df=None, targetsize=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1822 """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	1823
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1824 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	1825 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1826 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	1827 not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1828
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1829 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1830 but is faster.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1831
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1832 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1833 """
19716 e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1834 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1835 return []
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1836 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1837 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1838 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	1839 iosize = self.index.entry_size
19715 1aab406be57c revlog._chunks: inline getchunk Siddharth Agarwal <sid0@fb.com> parents: 19714 diff changeset	1840 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	1841
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1842 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1843 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 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 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	1846 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	1847 else:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1848 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1849 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1850 )
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1851
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1852 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	1853 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	1854 # 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	1855 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	1856 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	1857 break
34823 7891d243d821 revlog: ignore empty trailing chunks when reading segments Paul Morelle <paul.morelle@octobus.net> parents: 34303 diff changeset	1858
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1859 try:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1860 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	1861 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	1862 # 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	1863 # 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	1864 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	1865
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1866 decomp = self.decompress
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1867 # 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	1868 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	1869 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	1870 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	1871 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	1872 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	1873 chunklength = length(rev)
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1874 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	1875 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	1876 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	1877 ladd(c)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1878 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	1879 ladd(decomp(c))
47266 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	1880 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	1881 ladd(def_decomp(c))
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1882 else:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1883 msg = 'unknown compression mode %d'
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1884 msg %= comp_mode
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	1885 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	1886
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1887 return l
14075 bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	1888
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1889 def _chunkclear(self):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1890 """Clear the raw chunk cache."""
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1891 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	1892
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	1893 def deltaparent(self, rev):
14195 0013d3eeb826 revlog: remove support for parentdelta Sune Foldager <cryo@cyanite.org> parents: 14164 diff changeset	1894 """return deltaparent of the given revision"""
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1895 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1896 if base == rev:
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1897 return nullrev
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1898 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1899 return base
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1900 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1901 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	1902
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	1903 def issnapshot(self, rev):
45957 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	1904 """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	1905 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1906 return self.deltaparent(rev) == nullrev
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1907 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	1908 # 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	1909 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41087 diff changeset	1910 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	1911 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	1912 return True
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1913 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1914 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1915 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	1916 return True
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1917 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1918 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1919 p1 = entry[5]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1920 p2 = entry[6]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1921 if base == p1 or base == p2:
39183 f39efa885a6d revlog: also detect intermediate snapshots Paul Morelle <paul.morelle@octobus.net> parents: 39182 diff changeset	1922 return False
41087 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41086 diff changeset	1923 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	1924
39185 3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1925 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39183 diff changeset	1926 """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	1927 if not self.issnapshot(rev):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1928 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	1929 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	1930
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	1931 def revdiff(self, rev1, rev2):
31758 5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1932 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1933
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31757 diff changeset	1934 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	1935 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	1936 """
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1937 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	1938 return bytes(self._chunk(rev2))
5005 72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	1939
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1940 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	1941
42995 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1942 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	1943 """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	1944 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	1945 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	1946 if raw:
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	1947 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	1948 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	1949 return flagutil.processflagsread(self, text, flags)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1950 else: # write operation
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1951 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	1952
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1953 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	1954 """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	1955 number.
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1956
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30589 diff changeset	1957 _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	1958 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	1959 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	1960 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	1961 """
42853 f75f47b3ea41 revlog: deprecate the use of `revision(..., raw=True)` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42824 diff changeset	1962 if raw:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1963 msg = (
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1964 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	1965 b'use revlog.rawdata(...)'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1966 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1967 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	1968 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	1969
42982 0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1970 def sidedata(self, nodeorrev, _df=None):
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1971 """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	1972
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1973 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	1974 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	1975 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42885 diff changeset	1976 """
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	1977 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	1978
42735 389233789952 revlog: split a `_revisiondata` method to file `revision` job Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42711 diff changeset	1979 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	1980 # deal with <nodeorrev> argument type
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1981 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1982 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1983 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1984 else:
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1985 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1986 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1987
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	1988 # 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	1989 if node == self.nullid:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1990 return b"", {}
42805 bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42804 diff changeset	1991
43984 bdb357161d7a revlog: drop an unused variable assignment Matt Harbison <matt_harbison@yahoo.com> parents: 43962 diff changeset	1992 # ``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	1993 # 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	1994 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	1995
47150 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	1996 if self.hassidedata:
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1997 if rev is None:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1998 rev = self.rev(node)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	1999 sidedata = self._sidedata(rev)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2000 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2001 sidedata = {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2002
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2003 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2004 # 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	2005 # 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	2006 return rawtext, sidedata
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2007 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2008 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2009 # 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	2010 # (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	2011 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2012
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2013 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	2014 # 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	2015 return rawtext, sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2016
42885 4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	2017 if raw:
42994 dff95420480f flagprocessors: make `processflagsraw` a module level function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42993 diff changeset	2018 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	2019 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42882 diff changeset	2020 else:
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2021 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	2022 text, validatehash = r
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2023 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2024 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	2025 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2026 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	2027
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	2028 return text, sidedata
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2029
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2030 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	2031 """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	2032
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2033 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2034 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2035
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2036 # 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	2037 cachedrev = None
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	2038 # 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	2039 basetext = None
42806 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	2040
616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42805 diff changeset	2041 # 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	2042 # 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	2043 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	2044 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	2045 return (rev, self._revisioncache[2], True)
40053 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40011 diff changeset	2046 cachedrev = self._revisioncache[1]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	2047
42808 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2048 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2049 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2050
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2051 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	2052 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2053 basetext = self._revisioncache[2]
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 # 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	2056 # 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	2057 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2058
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2059 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2060 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	2061 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2062 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2063
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2064 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	2065 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2066 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2067 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2068
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42807 diff changeset	2069 rawtext = mdiff.patches(basetext, bins)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2070 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	2071 return (rev, rawtext, False)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	2072
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2073 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2074 """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	2075 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	2076 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	2077 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	2078
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2079 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	2080 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	2081 if sidedata_size == 0:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2082 return {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2083
47268 87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2084 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	2085 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	2086 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	2087 segment = comp_segment
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2088 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	2089 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	2090 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	2091 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	2092 else:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2093 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	2094 msg %= comp
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2095 raise error.RevlogError(msg)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47267 diff changeset	2096
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2097 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	2098 return sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2099
42802 ef177c04ac7f revlog: drop silly `raw` parameter to `rawdata` function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42784 diff changeset	2100 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	2101 """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	2102
415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42735 diff changeset	2103 _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	2104 """
42983 35ab2c1a58aa revlog: return sidedata map from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42982 diff changeset	2105 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	2106
22785 abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	2107 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	2108 """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	2109
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	2110 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	2111 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	2112 """
39882 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39877 diff changeset	2113 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	2114
30589 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	2115 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	2116 """Check node hash integrity.
19624 55749cb14d24 revlog: extract 'checkhash' method Wojciech Lopata <lopek@fb.com> parents: 19471 diff changeset	2117
30589 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	2118 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	2119 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30552 diff changeset	2120 """
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2121 try:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2122 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	2123 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2124 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	2125 # 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	2126 # 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	2127 # 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	2128 # 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	2129 # 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	2130 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	2131 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	2132 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40053 diff changeset	2133
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2134 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2135 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2136 revornode = templatefilters.short(hex(node))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2137 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2138 _(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	2139 % (self.display_id, pycompat.bytestr(revornode))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2140 )
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	2141 except error.RevlogError:
39884 d269ddbf54f0 storageutil: move _censoredtext() from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39883 diff changeset	2142 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	2143 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	2144 raise
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	2145
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2146 def _enforceinlinesize(self, tr):
26376 344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	2147 """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	2148
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	2149 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	2150 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	2151 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	2152 """
38883 119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index Martin von Zweigbergk <martinvonz@google.com> parents: 38880 diff changeset	2153 tiprev = len(self) - 1
47181 88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47180 diff changeset	2154 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	2155 if not self._inline or total_size < _maxinline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2156 return
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2157
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2158 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	2159 if troffset is None:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2160 raise error.RevlogError(
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2161 _(b"%s not found in the transaction") % self._indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2162 )
45884 63edc384d3b7 transaction: drop per-file extra data support Joerg Sonnenberger <joerg@bec.de> parents: 45879 diff changeset	2163 trindex = 0
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2164 tr.add(self._datafile, 0)
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2165
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2166 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	2167 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	2168 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	2169 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	2170 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	2171 fp.close()
40671 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2172 # 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	2173 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40670 diff changeset	2174 self._writinghandles = None
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2175
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2176 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	2177 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	2178 try:
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	2179 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	2180 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	2181 new_dfh.write(self._getsegmentforrevs(r, r, df=read_ifh)[1])
47295 21ed126bab53 revlog: fix index computation during inline->non-inline transition Joerg Sonnenberger <joerg@bec.de> parents: 47281 diff changeset	2182 if troffset <= self.start(r) + r * self.index.entry_size:
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2183 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	2184 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	2185
47230 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47229 diff changeset	2186 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	2187 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	2188 self._inline = False
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2189 for i in self:
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2190 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	2191 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	2192 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	2193 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	2194 e = header + e
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2195 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	2196 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	2197 self._docket.index_end = fp.tell()
47296 46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2198
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2199 # There is a small transactional race here. If the rename of
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2200 # the index fails, we should remove the datafile. It is more
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2201 # important to ensure that the data file is not truncated
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2202 # when the index is replaced as otherwise data is lost.
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2203 tr.replace(self._datafile, self.start(trindex))
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47295 diff changeset	2204
47224 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2205 # 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	2206 # manager
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2207
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47223 diff changeset	2208 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	2209 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	2210 self._chunkclear()
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2211
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2212 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	2213 # 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	2214 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	2215 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	2216 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	2217 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2218 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	2219 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	2220
39891 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39886 diff changeset	2221 def _nodeduplicatecallback(self, transaction, node):
45957 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45885 diff changeset	2222 """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	2223
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2224 @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	2225 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	2226 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	2227 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	2228 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	2229 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	2230 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	2231 yield
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2232 else:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2233 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	2234 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	2235 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	2236 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	2237 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	2238 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	2239 try:
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2240 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	2241 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	2242 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	2243 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	2244 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	2245 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	2246 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	2247 raise
8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	2248 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	2249 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	2250 try:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2251 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	2252 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	2253 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	2254 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	2255 else:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2256 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	2257 try:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2258 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	2259 try:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2260 yield
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	2261 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	2262 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	2263 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2264 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	2265 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2266 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	2267 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2268 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	2269 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	2270
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	2271 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	2272 """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	2273
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2274 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	2275
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	2276 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	2277 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	2278 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	2279
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2280 def addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2281 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2282 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2283 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2284 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2285 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2286 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2287 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2288 node=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2289 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2290 deltacomputer=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2291 sidedata=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2292 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2293 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2294
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2295 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2296 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2297 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2298 p1, p2 - the parent nodeids of the revision
12012 bade7a9c5c07 revlog: fix docstring Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12011 diff changeset	2299 cachedelta - an optional precomputed delta
19625 6a411a06cb1f revlog: pass node as an argument of addrevision Wojciech Lopata <lopek@fb.com> parents: 19624 diff changeset	2300 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	2301 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	2302 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	2303 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	2304 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	2305 multiple calls
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2306 """
19326 7014526d67a8 revlog: add exception when linkrev == nullrev Durham Goode <durham@fb.com> parents: 19200 diff changeset	2307 if link == nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2308 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	2309 _(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	2310 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	2311
42988 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	2312 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	2313 sidedata = {}
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	2314 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	2315 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2316 _(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	2317 )
42988 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42987 diff changeset	2318
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2319 if flags:
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2320 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2321
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2322 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2323
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2324 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2325 # cachedelta.
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2326 if rawtext != text:
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2327 cachedelta = None
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2328
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2329 if len(rawtext) > _maxentrysize:
39789 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39785 diff changeset	2330 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2331 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2332 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	2333 )
47176 dfe8074239de revlog: use revlog.display_id in "revision too big" errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47175 diff changeset	2334 % (self.display_id, len(rawtext))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2335 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	2336
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2337 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	2338 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	2339 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	2340 return rev
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	2341
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2342 if validatehash:
31755 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31754 diff changeset	2343 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2344
46560 f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46559 diff changeset	2345 return self.addrawrevision(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2346 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2347 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2348 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2349 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2350 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2351 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2352 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2353 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2354 deltacomputer=deltacomputer,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2355 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2356 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2357
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2358 def addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2359 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2360 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2361 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2362 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2363 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2364 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2365 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2366 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2367 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2368 deltacomputer=None,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2369 sidedata=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2370 ):
32284 3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32269 diff changeset	2371 """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	2372 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	2373 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	2374 """
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2375 with self._writing(transaction):
46559 9ee4e988e2be revlog: change addrawrevision to return the revision Joerg Sonnenberger <joerg@bec.de> parents: 46558 diff changeset	2376 return self._addrevision(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2377 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2378 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2379 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2380 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2381 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2382 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2383 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2384 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2385 deltacomputer=deltacomputer,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2386 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2387 )
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2388
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2389 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2390 """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	2391 if not data:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2392 return b'', data
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2393
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2394 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2395
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2396 if compressed:
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2397 # 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	2398 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2399
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2400 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2401 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2402 return b'u', data
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	2403
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2404 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2405 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2406
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2407 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	2408 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	2409 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2410 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2411 return data
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2412
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2413 # 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	2414 # 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	2415 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2416 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2417 # 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	2418 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2419 # 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	2420 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2421 # 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	2422 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2423 # 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	2424 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2425 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2426 # 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	2427 # 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	2428 # 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	2429 # 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	2430 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2431 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2432 # 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	2433 # 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	2434 t = data[0:1]
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2435
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2436 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	2437 try:
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2438 return _zlibdecompress(data)
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2439 except zlib.error as e:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2440 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2441 _(b'revlog decompress error: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2442 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2443 )
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2444 # '\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	2445 elif t == b'\0':
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2446 return data
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2447 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	2448 return util.buffer(data, 1)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2449
47265 eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47264 diff changeset	2450 compressor = self._get_decompressor(t)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2451
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2452 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	2453
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2454 def _addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2455 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2456 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2457 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2458 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2459 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2460 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2461 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2462 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2463 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2464 alwayscache=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2465 deltacomputer=None,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2466 sidedata=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2467 ):
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2468 """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	2469
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2470 see addrevision for argument descriptions.
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2471
ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2472 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	2473
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2474 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	2475 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2476
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2477 invariants:
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2478 - 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	2479 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	2480 """
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2481 if node == self.nullid:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2482 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	2483 _(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	2484 )
47055 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2485 if (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2486 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2487 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2488 ):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2489 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	2490 _(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	2491 )
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2492 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	2493 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	2494 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	2495
35635 0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2496 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	2497 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	2498 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	2499 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	2500
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2501 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	2502
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2503 curr = len(self)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2504 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	2505
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	2506 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	2507
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2508 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	2509 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	2510 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2511 # 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	2512 # 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	2513 self._concurrencychecker(
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2514 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	2515 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2516 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46561 diff changeset	2517 # 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	2518 self._concurrencychecker(
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2519 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	2520 )
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2521 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	2522
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	2523 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	2524
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2525 # 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	2526 # become comparable to the uncompressed text
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2527 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	2528 # 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	2529 # 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	2530 # logic that might remove metadata size.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2531 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2532 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2533 )
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2534 else:
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2535 textlen = len(rawtext)
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2536
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2537 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	2538 deltacomputer = deltautil.deltacomputer(self)
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2539
35737 d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision Paul Morelle <paul.morelle@octobus.net> parents: 35641 diff changeset	2540 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	2541
39359 6f4b8f607a31 revlogdeltas: move special cases around raw revisions in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39357 diff changeset	2542 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	2543
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2544 compression_mode = COMP_MODE_INLINE
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2545 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	2546 h, d = deltainfo.data
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2547 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	2548 # 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	2549 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	2550 elif not h:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2551 t = d[0:1]
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2552 if t == b'\0':
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2553 compression_mode = COMP_MODE_PLAIN
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47265 diff changeset	2554 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	2555 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	2556 elif h == b'u':
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2557 # 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	2558 h = b''
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2559 compression_mode = COMP_MODE_PLAIN
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2560 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	2561
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	2562 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	2563 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	2564 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	2565 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	2566 sidedata_offset = offset + deltainfo.deltalen
47269 c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2567 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	2568 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2569 h != b'u'
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2570 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	2571 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	2572 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2573 assert not h
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2574 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2575 comp_sidedata[0:1]
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2576 == self._docket.default_compression_header
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2577 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2578 sidedata_compression_mode = COMP_MODE_DEFAULT
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2579 serialized_sidedata = comp_sidedata
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2580 else:
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2581 sidedata_compression_mode = COMP_MODE_INLINE
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47268 diff changeset	2582 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	2583 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2584 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2585 # 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	2586 # 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	2587 # 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	2588 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2589
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2590 e = (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2591 offset_type(offset, flags),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2592 deltainfo.deltalen,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2593 textlen,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2594 deltainfo.base,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2595 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2596 p1r,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2597 p2r,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2598 node,
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2599 sidedata_offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2600 len(serialized_sidedata),
47264 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	2601 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	2602 sidedata_compression_mode,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2603 )
46717 913485776542 revlog: introduce v2 format Rapha?l Gom?s <rgomes@octobus.net> parents: 46646 diff changeset	2604
38889 6104b203bec8 index: replace insert(-1, e) method by append(e) method Martin von Zweigbergk <martinvonz@google.com> parents: 38888 diff changeset	2605 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	2606 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	2607 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	2608 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	2609 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	2610 entry = header + entry
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2611 self._writeentry(
46722 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2612 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2613 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2614 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2615 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2616 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2617 serialized_sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2618 )
39360 5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2619
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39359 diff changeset	2620 rawtext = btext[0]
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2621
31760 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31759 diff changeset	2622 if alwayscache and rawtext is None:
39225 dbc5ead9f40f revlog: fix typo in 'buildtext' name Boris Feld <boris.feld@octobus.net> parents: 39224 diff changeset	2623 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	2624
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2625 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	2626 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	2627 self._chainbasecache[curr] = deltainfo.chainbase
46558 07984507d553 revlog: change _addrevision to return the new revision Joerg Sonnenberger <joerg@bec.de> parents: 46530 diff changeset	2628 return curr
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2629
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	2630 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	2631 """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	2632 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	2633 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	2634 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	2635 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	2636 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	2637
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	2638 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	2639 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	2640 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	2641 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	2642 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	2643
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2644 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	2645 # 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	2646 # 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	2647 # 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	2648 # 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	2649 # 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	2650 # 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	2651 # 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	2652 #
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2653 # 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	2654 # 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	2655 # 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	2656 # 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	2657 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	2658 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	2659 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	2660 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	2661 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	2662 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	2663 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	2664 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	2665 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	2666 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	2667 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	2668 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	2669 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	2670
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2671 curr = len(self) - 1
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2672 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2673 transaction.add(self._datafile, offset)
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2674 transaction.add(self._indexfile, curr * len(entry))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2675 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	2676 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	2677 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	2678 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2679 dfh.write(sidedata)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2680 ifh.write(entry)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2681 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	2682 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	2683 transaction.add(self._indexfile, offset)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2684 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	2685 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	2686 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	2687 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46717 diff changeset	2688 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	2689 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	2690 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	2691 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	2692 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	2693
44351 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	2694 nodemaputil.setup_persistent_nodemap(transaction, self)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2695
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2696 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2697 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2698 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2699 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2700 transaction,
46445 711ba0f1057e revlog: decouple caching from addrevision callback for addgroup Joerg Sonnenberger <joerg@bec.de> parents: 46310 diff changeset	2701 alwayscache=False,
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2702 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2703 duplicaterevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2704 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2705 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2706 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2707
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2708 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	2709 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	2710 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	2711
00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2712 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	2713 this revlog and the node that was added.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2714 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2715
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2716 if self._adding_group:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2717 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	2718
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	2719 self._adding_group = True
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2720 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	2721 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	2722 with self._writing(transaction):
47223 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2723 deltacomputer = deltautil.deltacomputer(self)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2724 # 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	2725 for data in deltas:
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 node,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2728 p1,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2729 p2,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2730 linknode,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2731 deltabase,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2732 delta,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2733 flags,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2734 sidedata,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2735 ) = data
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2736 link = linkmapper(linknode)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2737 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	2738
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2739 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	2740 if rev is not None:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2741 # 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	2742 self._nodeduplicatecallback(transaction, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2743 if duplicaterevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2744 duplicaterevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2745 empty = False
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2746 continue
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2747
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2748 for p in (p1, p2):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2749 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	2750 raise error.LookupError(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2751 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	2752 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2753
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2754 if not self.index.has_node(deltabase):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2755 raise error.LookupError(
47223 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2756 deltabase, self.display_id, _(b'unknown delta base')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2757 )
24120 a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2758
47223 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2759 baserev = self.rev(deltabase)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2760
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2761 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	2762 # 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	2763 # single patch operation
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2764 hlen = struct.calcsize(b">lll")
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2765 oldlen = self.rawsize(baserev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2766 newlen = len(delta) - hlen
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2767 if delta[:hlen] != mdiff.replacediffheader(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2768 oldlen, newlen
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2769 ):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2770 raise error.CensoredBaseError(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2771 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	2772 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2773
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2774 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	2775 flags \|= REVIDX_ISCENSORED
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 # 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	2778 # 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	2779 # 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	2780 # 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	2781 # 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	2782 # 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	2783 # by the flagprocessor.
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2784 rev = self._addrevision(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2785 node,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2786 None,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2787 transaction,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2788 link,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2789 p1,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2790 p2,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2791 flags,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2792 (baserev, delta),
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2793 alwayscache=alwayscache,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2794 deltacomputer=deltacomputer,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2795 sidedata=sidedata,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2796 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2797
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2798 if addrevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2799 addrevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47190 diff changeset	2800 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	2801 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	2802 self._adding_group = False
45811 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45802 diff changeset	2803 return not empty
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2804
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2805 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2806 """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	2807 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2808 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2809
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2810 return self.flags(rev) & REVIDX_ISCENSORED
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2811
47180 c9ae2e7fe154 revlog: drop `flush` parameter from `_peek_iscensored` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47179 diff changeset	2812 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	2813 """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	2814 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2815 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2816
40325 b0fbd1792e2d storageutil: extract most of peek_censored from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40298 diff changeset	2817 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	2818
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2819 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2820 """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	2821
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2822 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	2823 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	2824 """
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2825 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2826 minlink,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2827 len(self) - 1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2828 self.headrevs(),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2829 self.linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2830 self.parentrevs,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2831 )
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2832
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	2833 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	2834 """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	2835
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2836 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	2837 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	2838
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2839 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	2840 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	2841 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2842
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2843 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	2844 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	2845 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	2846 """
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2847 if len(self) == 0:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2848 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2849
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2850 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2851 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	2852 return
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2853
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2854 # 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	2855 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	2856 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	2857 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	2858 end = rev * self.index.entry_size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2859 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	2860 end = data_end + (rev * self.index.entry_size)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	2861
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2862 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	2863 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	2864 # 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	2865 # 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	2866 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	2867 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	2868 self._docket.write(transaction, stripping=True)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2869
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2870 # 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	2871 self._revisioncache = None
45802 8719a5b68419 revlog: use LRU for the chain cache Joerg Sonnenberger <joerg@bec.de> parents: 45735 diff changeset	2872 self._chaininfocache = util.lrucachedict(500)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	2873 self._chunkclear()
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2874
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	2875 del self.index[rev:-1]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2876
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2877 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	2878 """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	2879
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2880 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	2881 - 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	2882 - 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	2883
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41862 diff changeset	2884 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	2885 """
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2886 expected = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2887 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2888 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	2889
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	2890 try:
36011 82afb1a5ed94 revlog: use context manager for data file lifetime in checksize Boris Feld <boris.feld@octobus.net> parents: 36010 diff changeset	2891 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	2892 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	2893 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2894 dd = actual - expected
25660 328739ea70c3 global: mass rewrite to use modern exception syntax Gregory Szorc <gregory.szorc@gmail.com> parents: 25459 diff changeset	2895 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2896 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2897 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2898 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2899
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2900 try:
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2901 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	2902 f.seek(0, io.SEEK_END)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2903 actual = f.tell()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	2904 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	2905 s = self.index.entry_size
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	2906 i = max(0, actual // s)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2907 di = actual - (i * s)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2908 if self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2909 databytes = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2910 for r in self:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	2911 databytes += max(0, self.length(r))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2912 dd = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2913 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	2914 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2915 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2916 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2917 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2918
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2919 return (dd, di)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2920
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2921 def files(self):
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	2922 res = [self._indexfile]
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2923 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2924 res.append(self._datafile)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2925 return res
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2926
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2927 def emitrevisions(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2928 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2929 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2930 nodesorder=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2931 revisiondata=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2932 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2933 deltamode=repository.CG_DELTAMODE_STD,
46728 45f0d5297698 changegroupv4: add sidedata helpers Rapha?l Gom?s <rgomes@octobus.net> parents: 46725 diff changeset	2934 sidedata_helpers=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2935 ):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2936 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	2937 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2938 b'unhandled value for nodesorder: %s' % nodesorder
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2939 )
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2940
5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2941 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	2942 nodesorder = b'storage'
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2943
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2944 if (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2945 not self._storedeltachains
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2946 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2947 ):
40495 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2948 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2949
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2950 return storageutil.emitrevisions(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2951 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2952 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2953 nodesorder,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2954 revlogrevisiondelta,
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2955 deltaparentfn=self.deltaparent,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2956 candeltafn=self.candelta,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2957 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2958 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2959 flagsfn=self.flags,
40495 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2960 deltamode=deltamode,
40009 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40005 diff changeset	2961 revisiondata=revisiondata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2962 assumehaveparentrevisions=assumehaveparentrevisions,
46728 45f0d5297698 changegroupv4: add sidedata helpers Rapha?l Gom?s <rgomes@octobus.net> parents: 46725 diff changeset	2963 sidedata_helpers=sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2964 )
39867 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39850 diff changeset	2965
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2966 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2967 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2968 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2969
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2970 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2971
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2972 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	2973
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2974 def clone(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2975 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2976 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2977 destrevlog,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2978 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2979 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2980 forcedeltabothparents=None,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	2981 sidedata_helpers=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2982 ):
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2983 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2984
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2985 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	2986 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	2987 differences.
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 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	2990 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	2991 following values:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2992
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2993 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2994 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	2995 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	2996 fastest mode of operation.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2997 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2998 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	2999 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	3000 and optimization.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3001 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3002 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	3003 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	3004 algorithm changes).
42999 6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	3005 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42998 diff changeset	3006 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	3007 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	3008 eg: large file detection and handling.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3009
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3010 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	3011 significantly affect run time.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3012
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3013 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3014 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	3015 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	3016 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	3017 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	3018 revision.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3019
40855 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	3020 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	3021 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	3022 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	3023
47100 8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module Rapha?l Gom?s <rgomes@octobus.net> parents: 47099 diff changeset	3024 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	3025 `sidedata_helpers`.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3026 """
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3027 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	3028 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3029 _(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	3030 )
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3031
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3032 if len(destrevlog):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3033 raise ValueError(_(b'destination revlog is not empty'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3034
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3035 if getattr(self, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3036 raise ValueError(_(b'source revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3037 if getattr(destrevlog, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3038 raise ValueError(_(b'destination revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3039
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3040 # 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	3041 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3042 oldlazydelta = destrevlog._lazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3043 oldlazydeltabase = destrevlog._lazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	3044 oldamd = destrevlog._deltabothparents
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3045
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3046 try:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3047 if deltareuse == self.DELTAREUSEALWAYS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3048 destrevlog._lazydeltabase = True
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3049 destrevlog._lazydelta = True
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3050 elif deltareuse == self.DELTAREUSESAMEREVS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3051 destrevlog._lazydeltabase = False
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3052 destrevlog._lazydelta = True
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3053 elif deltareuse == self.DELTAREUSENEVER:
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3054 destrevlog._lazydeltabase = False
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3055 destrevlog._lazydelta = False
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3056
40855 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40772 diff changeset	3057 destrevlog._deltabothparents = forcedeltabothparents or oldamd
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3058
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3059 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	3060 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	3061 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	3062 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	3063 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	3064 forcedeltabothparents,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3065 sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3066 )
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	3067
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3068 finally:
41862 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41824 diff changeset	3069 destrevlog._lazydelta = oldlazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	3070 destrevlog._lazydeltabase = oldlazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	3071 destrevlog._deltabothparents = oldamd
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3072
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3073 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	3074 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	3075 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	3076 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	3077 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	3078 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	3079 forcedeltabothparents,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3080 sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3081 ):
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	3082 """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	3083 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	3084 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	3085 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	3086 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	3087
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3088 # 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	3089 # account. Use raw entry from index.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3090 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	3091 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	3092 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	3093 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	3094 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	3095
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3096 # (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	3097 # 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	3098 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	3099 rawtext = None
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3100 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	3101 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	3102
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3103 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	3104 (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	3105 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	3106 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3107 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	3108
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3109 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3110 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3111 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3112 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3113 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3114 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3115 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3116 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3117 flags=flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3118 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	3119 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3120 )
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	3121 else:
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3122 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3123 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3124 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3125 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	3126
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3127 sidedata = None
43000 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42999 diff changeset	3128 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	3129 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	3130 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	3131 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	3132
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3133 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	3134 (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	3135 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	3136 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3137 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	3138
47225 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47224 diff changeset	3139 with destrevlog._writing(tr):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3140 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3141 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3142 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3143 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3144 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3145 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3146 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3147 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3148 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3149 deltacomputer=deltacomputer,
47098 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47095 diff changeset	3150 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3151 )
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	3152
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3153 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	3154 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	3155
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3156 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	3157 if self._format_version == REVLOGV0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3158 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	3159 _(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	3160 % self._format_version
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3161 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3162
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3163 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	3164 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	3165
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3166 if len(tombstone) > self.rawsize(censorrev):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3167 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	3168 _(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	3169 )
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 # 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	3172 # 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	3173 # revlogs on transaction close.
47159 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	3174 #
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3175 # 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	3176 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	3177 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	3178 target=self.target,
47164 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	3179 radix=self.radix,
47159 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	3180 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	3181 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	3182 )
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3183 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	3184 newrl._format_flags = self._format_flags
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3185 newrl._generaldelta = self._generaldelta
47077 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47075 diff changeset	3186 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	3187
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3188 for rev in self.revs():
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3189 node = self.node(rev)
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3190 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	3191
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3192 if rev == censorrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3193 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3194 tombstone,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3195 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3196 self.linkrev(censorrev),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3197 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3198 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3199 censornode,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3200 REVIDX_ISCENSORED,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3201 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3202
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3203 if newrl.deltaparent(rev) != nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3204 raise error.Abort(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3205 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3206 b'censored revision stored as delta; '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3207 b'cannot censor'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3208 ),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3209 hint=_(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3210 b'censoring of revlogs is not '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3211 b'fully implemented; please report '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3212 b'this bug'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3213 ),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3214 )
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3215 continue
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3216
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3217 if self.iscensored(rev):
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3218 if self.deltaparent(rev) != nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3219 raise error.Abort(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3220 _(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3221 b'cannot censor due to censored '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3222 b'revision having delta stored'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3223 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3224 )
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3225 rawtext = self._chunk(rev)
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3226 else:
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	3227 rawtext = self.rawdata(rev)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3228
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3229 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3230 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	3231 )
39794 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39791 diff changeset	3232
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	3233 tr.addbackup(self._indexfile, location=b'store')
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3234 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	3235 tr.addbackup(self._datafile, location=b'store')
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3236
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	3237 self.opener.rename(newrl._indexfile, self._indexfile)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3238 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	3239 self.opener.rename(newrl._datafile, self._datafile)
40057 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3240
324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40056 diff changeset	3241 self.clearcaches()
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	3242 self._loadindex()
39847 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3243
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3244 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3245 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3246
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3247 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3248 found.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3249 """
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3250 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39836 diff changeset	3251 if dd:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3252 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	3253 if di:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3254 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	3255
47153 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	3256 version = self._format_version
39850 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	3257
e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	3258 # 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	3259 if version != state[b'expectedversion']:
39850 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39847 diff changeset	3260 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3261 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	3262 % (self.display_id, version, state[b'expectedversion'])
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3263 )
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3264
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3265 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	3266 state[b'safe_renamed'] = set()
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3267
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3268 for rev in self:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3269 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3270
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3271 # 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	3272 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3273 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3274 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3275 # 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	3276 # 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	3277 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3278 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3279 # 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	3280 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3281 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3282 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3283 # flags() \| 0 \| 0 \| 0 \| not 0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3284 # renamed() \| False \| True \| False \| ?
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3285 # 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	3286 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3287 # "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	3288 # 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	3289 # mentioned below is "revision(rev)".
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3290 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3291 # 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	3292 # 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	3293 # 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	3294 # 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	3295 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3296 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3297 # 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	3298 # "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	3299 # processors (see flagutil.addflagprocessor).
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3300 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3301 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3302 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3303 # rawsize() \| L1 \| L1 \| L1 \| L1
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3304 # size() \| L1 \| L2-LM \| L1(*) \| L1 (?)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3305 # len(rawtext) \| L2 \| L2 \| L2 \| L2
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3306 # len(text) \| L2 \| L2 \| L2 \| L3
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3307 # 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	3308 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3309 # 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	3310 # (*): 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	3311 # (?): 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	3312 # rename metadata
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 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3315 # 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	3316 # 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	3317 # 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	3318
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3319 try:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3320 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	3321 if skipflags:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3322 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3323
43962 7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43799 diff changeset	3324 _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	3325
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3326 l1 = self.rawsize(rev)
42784 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42749 diff changeset	3327 l2 = len(self.rawdata(node))
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3328
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3329 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3330 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3331 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	3332 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3333 )
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3334
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3335 except error.CensoredNodeError:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3336 if state[b'erroroncensored']:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3337 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3338 error=_(b'censored file data'), node=node
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3339 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3340 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3341 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3342 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3343 error=_(b'unpacking %s: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3344 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3345 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3346 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3347 state[b'skipread'].add(node)
39877 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39874 diff changeset	3348
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3349 def storageinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3350 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3351 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3352 sharedfiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3353 revisionscount=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3354 trackedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3355 storedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3356 ):
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3357 d = {}
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3358
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3359 if exclusivefiles:
47162 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	3360 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	3361 if not self._inline:
47163 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	3362 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	3363
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3364 if sharedfiles:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3365 d[b'sharedfiles'] = []
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3366
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3367 if revisionscount:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3368 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	3369
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3370 if trackedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3371 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	3372
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3373 if storedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3374 d[b'storedsize'] = sum(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3375 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	3376 )
39874 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3377
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39871 diff changeset	3378 return d
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3379
47227 2bd4b5218918 revlog: pass a transaction object to `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47226 diff changeset	3380 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	3381 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	3382 return
47245 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3383 # 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	3384 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	3385 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	3386 # 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	3387 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3388
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3389 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3390 # append the new sidedata
47229 b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3391 with self._writing(transaction):
b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3392 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	3393 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	3394 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	3395 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	3396 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	3397
47226 042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47225 diff changeset	3398 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	3399 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	3400 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	3401 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	3402 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3403 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3404 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3405 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3406 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3407
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3408 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	3409 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3410 )
47270 07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3411
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3412 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	3413 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	3414 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	3415 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	3416 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3417 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	3418 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	3419 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	3420 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3421 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	3422 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3423 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	3424 == 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	3425 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3426 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	3427 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	3428 else:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	3429 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	3430 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	3431 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	3432 # 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	3433 # 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	3434 # revlog.
47239 e51392acd70c revlog: fix capitalisation of an error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47233 diff changeset	3435 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	3436 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	3437
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3438 # 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	3439 # the sidedata helpers
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47094 diff changeset	3440 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	3441 entry_update = (
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3442 current_offset,
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3443 len(serialized_sidedata),
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	3444 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	3445 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	3446 )
46731 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46729 diff changeset	3447
47228 8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47227 diff changeset	3448 # 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	3449 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	3450 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	3451 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	3452 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	3453 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	3454 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	3455
47229 b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3456 # rewrite the new index entries
b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	3457 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	3458 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	3459 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	3460 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	3461 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	3462 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	3463 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	3464 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	3465 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	3466 ifh.write(packed)

Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/revlog.py @ 47305:93a0abe098e7