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

annotate mercurial/revlog.py @ 48674:f7086f6173f8 stable

dirstate-v2: rename the configuration to enable the format The rename of the old experimental name was overlooked before the 6.0 release. We rename everything to use the new name (and keep the released name as an alias for compatibility). Differential Revision: https://phab.mercurial-scm.org/D12129

author	Pierre-Yves David <pierre-yves.david@octobus.net>
date	Tue, 01 Feb 2022 16:36:20 +0100
parents	ccd9cb73125c
children	e845537f6adb

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
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2 # coding: utf8
8226 8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	3 #
46819 d4ba4d51f85f contributor: change mentions of mpm to olivia Rapha?l Gom?s <rgomes@octobus.net> parents: 46806 diff changeset	4 # 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	5 #
8b2cd04a6e97 put license and copyright info into comment blocks Martin Geisler <mg@lazybytes.net> parents: 8225 diff changeset	6 # 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	7 # 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	8
8227 0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	9 """Storage back-end for Mercurial.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	10
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	11 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	12 and O(changes) merge between branches.
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	13 """
0a9542703300 turn some comments back into module docstrings Martin Geisler <mg@lazybytes.net> parents: 8226 diff changeset	14
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	15 from __future__ import absolute_import
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	16
46852 fbfb1d6d8459 revlog: fix error about unknown compression format in py3 Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 46819 diff changeset	17 import binascii
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	18 import collections
35973 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 35972 diff changeset	19 import contextlib
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	20 import errno
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42462 diff changeset	21 import io
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	22 import os
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	23 import struct
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	24 import zlib
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	25
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	26 # 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	27 from .node import (
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	28 bin,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	29 hex,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	30 nullrev,
46780 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46779 diff changeset	31 sha1nodeconstants,
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	32 short,
32403 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32393 diff changeset	33 wdirrev,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	34 )
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	35 from .i18n import _
43089 c59eb1560c44 py3: manually import getattr where it is needed Gregory Szorc <gregory.szorc@gmail.com> parents: 43077 diff changeset	36 from .pycompat import getattr
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	37 from .revlogutils.constants import (
47072 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47042 diff changeset	38 ALL_KINDS,
47266 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	39 CHANGELOGV2,
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	40 COMP_MODE_DEFAULT,
47249 130c9f7ed914 revlog: add a "data compression mode" entry in the index tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47246 diff changeset	41 COMP_MODE_INLINE,
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	42 COMP_MODE_PLAIN,
47231 4d1c893b9095 revlog: unify flag processing when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47230 diff changeset	43 FEATURES_BY_VERSION,
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	44 FLAG_GENERALDELTA,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	45 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	46 INDEX_HEADER,
47263 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47261 diff changeset	47 KIND_CHANGELOG,
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	48 REVLOGV0,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	49 REVLOGV1,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	50 REVLOGV1_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	51 REVLOGV2,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	52 REVLOGV2_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	53 REVLOG_DEFAULT_FLAGS,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	54 REVLOG_DEFAULT_FORMAT,
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	55 REVLOG_DEFAULT_VERSION,
47230 0e9105bf54cb revlog: unify checks for supported flag Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47228 diff changeset	56 SUPPORTED_FLAGS,
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	57 )
42728 ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	58 from .revlogutils.flagutil import (
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	59 REVIDX_DEFAULT_FLAGS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	60 REVIDX_ELLIPSIS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	61 REVIDX_EXTSTORED,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	62 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: 45053 diff changeset	63 REVIDX_HASCOPIESINFO,
42728 ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	64 REVIDX_ISCENSORED,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	65 REVIDX_RAWTEXT_CHANGING_FLAGS,
ca5ca3badd3c flagutil: create a `mercurial.revlogutils.flagutil` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42719 diff changeset	66 )
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	67 from .thirdparty import attr
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	68 from . import (
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	69 ancestor,
39862 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	70 dagop,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	71 error,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	72 mdiff,
32372 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32315 diff changeset	73 policy,
31574 a8e55d6f1d67 revlog: use pycompat.maplist to eagerly evaluate map on Python 3 Augie Fackler <augie@google.com> parents: 31504 diff changeset	74 pycompat,
47394 ac60a1366a49 revlog: move `offset_type` to `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47393 diff changeset	75 revlogutils,
27361 29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	76 templatefilters,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	77 util,
29f50344fa83 revlog: use absolute_import Gregory Szorc <gregory.szorc@gmail.com> parents: 27251 diff changeset	78 )
42813 268662aac075 interfaces: create a new folder for interfaces and move repository.py in it Pulkit Goyal <pulkit@yandex-team.ru> parents: 42792 diff changeset	79 from .interfaces import (
268662aac075 interfaces: create a new folder for interfaces and move repository.py in it Pulkit Goyal <pulkit@yandex-team.ru> parents: 42792 diff changeset	80 repository,
42814 2c4f656c8e9f interfaceutil: move to interfaces/ Pulkit Goyal <pulkit@yandex-team.ru> parents: 42813 diff changeset	81 util as interfaceutil,
42813 268662aac075 interfaces: create a new folder for interfaces and move repository.py in it Pulkit Goyal <pulkit@yandex-team.ru> parents: 42792 diff changeset	82 )
39330 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39329 diff changeset	83 from .revlogutils import (
655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39329 diff changeset	84 deltas as deltautil,
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	85 docket as docketutil,
42729 05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42728 diff changeset	86 flagutil,
44034 ab595920de0e revlogutils: move the NodeMap class in a dedicated nodemap module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44014 diff changeset	87 nodemap as nodemaputil,
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	88 randomaccessfile,
47038 724db234b790 revlog: code for `revlogv0` in its own module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47037 diff changeset	89 revlogv0,
47465 bc8536e09a20 revlog: rewrite `censors.py` to `rewrite.py` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47463 diff changeset	90 rewrite,
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	91 sidedata as sidedatautil,
39330 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39329 diff changeset	92 )
37084 f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36760 diff changeset	93 from .utils import (
39877 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39872 diff changeset	94 storageutil,
37084 f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36760 diff changeset	95 stringutil,
f0b6fbea00cf stringutil: bulk-replace call sites to point to new module Yuya Nishihara <yuya@tcha.org> parents: 36760 diff changeset	96 )
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	97
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	98 # 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: 39232 diff changeset	99 # We need these name available in the module for extensions.
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	100
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	101 REVLOGV0
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	102 REVLOGV1
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	103 REVLOGV2
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	104 FLAG_INLINE_DATA
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	105 FLAG_GENERALDELTA
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	106 REVLOG_DEFAULT_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	107 REVLOG_DEFAULT_FORMAT
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	108 REVLOG_DEFAULT_VERSION
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	109 REVLOGV1_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	110 REVLOGV2_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	111 REVIDX_ISCENSORED
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	112 REVIDX_ELLIPSIS
45671 2d6aea053153 copies: add a HASCOPIESINFO flag to highlight rev with useful data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45053 diff changeset	113 REVIDX_HASCOPIESINFO
39329 729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	114 REVIDX_EXTSTORED
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	115 REVIDX_DEFAULT_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	116 REVIDX_FLAGS_ORDER
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	117 REVIDX_RAWTEXT_CHANGING_FLAGS
729082bb9938 revlog: split constants into a new `revlogutils.constants` module Boris Feld <boris.feld@octobus.net> parents: 39232 diff changeset	118
43506 9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings Augie Fackler <augie@google.com> parents: 43440 diff changeset	119 parsers = policy.importmod('parsers')
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings Augie Fackler <augie@google.com> parents: 43440 diff changeset	120 rustancestor = policy.importrust('ancestor')
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings Augie Fackler <augie@google.com> parents: 43440 diff changeset	121 rustdagop = policy.importrust('dagop')
44014 8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper Georges Racinet <georges.racinet@octobus.net> parents: 43979 diff changeset	122 rustrevlog = policy.importrust('revlog')
32372 df448de7cf3b parsers: switch to policy importer Yuya Nishihara <yuya@tcha.org> parents: 32315 diff changeset	123
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	124 # Aliased for performance.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	125 _zlibdecompress = zlib.decompress
5007 3addf4531643 revlog: localize some fastpath functions Matt Mackall <mpm@selenic.com> parents: 5006 diff changeset	126
10916 9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	127 # max size of revlog with inline data
9c84395a338e add documentation for revlog._prereadsize Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10914 diff changeset	128 _maxinline = 131072
10913 f2ecc5733c89 revlog: factor out _maxinline global. Greg Ward <greg-hg@gerg.ca> parents: 10404 diff changeset	129
39767 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	130 # Flag processors for REVIDX_ELLIPSIS.
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	131 def ellipsisreadprocessor(rl, text):
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	132 return text, False
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	133
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	134
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	135 def ellipsiswriteprocessor(rl, text):
39767 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	136 return text, False
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	137
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	138
39767 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	139 def ellipsisrawprocessor(rl, text):
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	140 return False
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	141
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	142
39767 db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	143 ellipsisprocessor = (
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	144 ellipsisreadprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	145 ellipsiswriteprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	146 ellipsisrawprocessor,
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	147 )
db088e133e91 revlog: define ellipsis flag processors in core Gregory Szorc <gregory.szorc@gmail.com> parents: 39333 diff changeset	148
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	149
43957 7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43779 diff changeset	150 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: 43779 diff changeset	151 """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: 43779 diff changeset	152 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: 43779 diff changeset	153 if skipflags:
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43779 diff changeset	154 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: 43779 diff changeset	155 else:
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43779 diff changeset	156 # 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: 43779 diff changeset	157 rl.revision(node)
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43779 diff changeset	158
7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43779 diff changeset	159
46310 fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45942 diff changeset	160 # 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: 45942 diff changeset	161 #
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45942 diff changeset	162 # 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: 45942 diff changeset	163 # 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: 45942 diff changeset	164 # 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: 45942 diff changeset	165 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: 45942 diff changeset	166 parsers, 'BaseIndexObject'
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45942 diff changeset	167 )
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45942 diff changeset	168
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 45942 diff changeset	169
39231 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	170 @interfaceutil.implementer(repository.irevisiondelta)
39862 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	171 @attr.s(slots=True)
39231 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	172 class revlogrevisiondelta(object):
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	173 node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	174 p1node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	175 p2node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	176 basenode = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	177 flags = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	178 baserevisionsize = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	179 revision = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	180 delta = attr.ib()
46712 e8c11a2c96c0 delta: add sidedata field to revision delta Rapha?l Gom?s <rgomes@octobus.net> parents: 46711 diff changeset	181 sidedata = attr.ib()
47077 119790e1c67c cg4: introduce protocol flag to signify the presence of sidedata Rapha?l Gom?s <rgomes@octobus.net> parents: 47075 diff changeset	182 protocol_flags = attr.ib()
39862 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	183 linknode = attr.ib(default=None)
39231 b41d023a412a repository: establish API for emitting revision deltas Gregory Szorc <gregory.szorc@gmail.com> parents: 39192 diff changeset	184
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	185
39842 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	186 @interfaceutil.implementer(repository.iverifyproblem)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	187 @attr.s(frozen=True)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	188 class revlogproblem(object):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	189 warning = attr.ib(default=None)
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	190 error = attr.ib(default=None)
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	191 node = attr.ib(default=None)
39842 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	192
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	193
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	194 def parse_index_v1(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	195 # call the C implementation to parse the index data
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	196 index, cache = parsers.parse_index2(data, inline)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	197 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	198
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	199
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	200 def parse_index_v2(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	201 # call the C implementation to parse the index data
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	202 index, cache = parsers.parse_index2(data, inline, revlogv2=True)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	203 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	204
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	205
47270 25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	206 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: 47269 diff changeset	207 # 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: 47269 diff changeset	208 assert not inline
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	209 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: 47269 diff changeset	210
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	211 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: 47269 diff changeset	212 return index, cache
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	213
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	214
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	215 if util.safehasattr(parsers, 'parse_index_devel_nodemap'):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	216
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	217 def parse_index_v1_nodemap(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	218 index, cache = parsers.parse_index_devel_nodemap(data, inline)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	219 return index, cache
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	220
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	221
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	222 else:
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	223 parse_index_v1_nodemap = None
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	224
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	225
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	226 def parse_index_v1_mixed(data, inline):
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	227 index, cache = parse_index_v1(data, inline)
5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	228 return rustrevlog.MixedIndex(index), cache
4972 8d0cf46e0dc6 revlog: add revlogio interface Matt Mackall <mpm@selenic.com> parents: 4971 diff changeset	229
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	230
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	231 # 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	232 # signed integer)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	233 _maxentrysize = 0x7FFFFFFF
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	234
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	235 FILE_TOO_SHORT_MSG = _(
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	236 b'cannot read from revlog %s;'
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	237 b' expected %d bytes from offset %d, data size is %d'
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	238 )
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	239
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	240
42995 73288e7abe9b flagprocessors: remove flagprocessorsmixin Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42994 diff changeset	241 class revlog(object):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	242 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	243 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	244
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	245 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	246
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	247 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	248 information on each revision, including its nodeid (hash), the
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	249 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	250 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	251 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	252 data.
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	253
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	254 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	255 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	256 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	257 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	258 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	259 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	260
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	261 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	262 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	263 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	264 for locking while reading.
29997 b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29830 diff changeset	265
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29830 diff changeset	266 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: 29830 diff changeset	267 writing, to avoid file stat ambiguity.
34296 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34291 diff changeset	268
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34291 diff changeset	269 If mmaplargeindex is True, and an mmapindexthreshold is set, the
3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34291 diff changeset	270 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: 34291 diff changeset	271 configured threshold.
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	272
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	273 If censorable is True, the revlog can have censored revisions.
42462 bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42452 diff changeset	274
bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42452 diff changeset	275 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: 42452 diff changeset	276 compression for the data content.
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	277
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	278 `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: 46509 diff changeset	279 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: 46509 diff changeset	280 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: 46509 diff changeset	281 raising).
47246 02a4463565ea revlog: improve documentation of the entry tuple Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47245 diff changeset	282
47393 7a0ec25d5836 revlog: move entry documentation alongside new related constants Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47391 diff changeset	283 See mercurial/revlogutils/contants.py for details about the content of an
7a0ec25d5836 revlog: move entry documentation alongside new related constants Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47391 diff changeset	284 index entry.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	285 """
42994 3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42993 diff changeset	286
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42993 diff changeset	287 _flagserrorclass = error.RevlogError
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42993 diff changeset	288
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	289 def __init__(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	290 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	291 opener,
47072 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47042 diff changeset	292 target,
47150 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47149 diff changeset	293 radix,
47240 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	294 postfix=None, # only exist for `tmpcensored` now
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	295 checkambig=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	296 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	297 censorable=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	298 upperboundcomp=None,
44308 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	299 persistentnodemap=False,
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	300 concurrencychecker=None,
47240 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	301 trypending=False,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	302 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	303 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	304 create a revlog object
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	305
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	306 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	307 and can be used to implement COW semantics or the like.
42462 bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42452 diff changeset	308
47072 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47042 diff changeset	309 `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: 47042 diff changeset	310 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: 47042 diff changeset	311 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: 47042 diff changeset	312 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: 47042 diff changeset	313 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: 47042 diff changeset	314 accurate value.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	315 """
42462 bc4373babd04 revlog: add the option to track the expected compression upper bound Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42452 diff changeset	316 self.upperboundcomp = upperboundcomp
47150 8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47149 diff changeset	317
8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47149 diff changeset	318 self.radix = radix
8d3c2f9d4af7 revlog: use a "radix" to address revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47149 diff changeset	319
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	320 self._docket_file = None
47168 cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	321 self._indexfile = None
cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	322 self._datafile = None
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	323 self._sidedatafile = None
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	324 self._nodemap_file = None
47145 c6b8d5d91e73 revlog: deal with special "postfix" explicitely Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47144 diff changeset	325 self.postfix = postfix
47240 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	326 self._trypending = trypending
47151 24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	327 self.opener = opener
44308 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	328 if persistentnodemap:
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	329 self._nodemap_file = nodemaputil.get_nodemap_file(self)
47151 24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47150 diff changeset	330
47072 4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47042 diff changeset	331 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: 47042 diff changeset	332 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: 47042 diff changeset	333 self.target = target
29997 b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29830 diff changeset	334 # 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: 29830 diff changeset	335 # avoid file stat ambiguity.
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity FUJIWARA Katsunori <foozy@lares.dti.ne.jp> parents: 29830 diff changeset	336 self._checkambig = checkambig
41203 d0de4fdd87aa revlog: store mmaplargeindex as an instance attribute Gregory Szorc <gregory.szorc@gmail.com> parents: 41202 diff changeset	337 self._mmaplargeindex = mmaplargeindex
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	338 self._censorable = censorable
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	339 # 3-tuple of (node, rev, text) for a raw revision.
40052 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	340 self._revisioncache = None
29830 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	341 # Maps rev to chain base rev.
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	342 self._chainbasecache = util.lrucachedict(100)
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	343 # 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	344 self._chunkcache = (0, b'')
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	345 # 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	346 self._chunkcachesize = 65536
23255 76effa770ff9 revlog: add config variable for limiting delta-chain length Mateusz Kwapich <mitrandir@fb.com> parents: 23254 diff changeset	347 self._maxchainlen = None
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	348 self._deltabothparents = True
43525 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43524 diff changeset	349 self.index = None
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	350 self._docket = None
44323 76a96e3a2bbb nodemap: keep track of the docket for loaded data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44320 diff changeset	351 self._nodemap_docket = None
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	352 # 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	353 self._pcache = {}
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	354 # 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	355 self._compengine = b'zlib'
42043 1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41872 diff changeset	356 self._compengineopts = {}
33207 895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 33171 diff changeset	357 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	358 self._withsparseread = False
38717 aa21a9ad46ea sparse-revlog: new requirement enabled with format.sparse-revlog Paul Morelle <paul.morelle@octobus.net> parents: 38716 diff changeset	359 self._sparserevlog = False
47222 c2180093682a revlog: determine sidedata support based on the revlog version Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47219 diff changeset	360 self.hassidedata = False
38632 eb8504715071 sparse-read: target density of 50% instead of 25% Paul Morelle <paul.morelle@octobus.net> parents: 38602 diff changeset	361 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	362 self._srmingapsize = 262144
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	363
39768 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39767 diff changeset	364 # 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: 39767 diff changeset	365 # custom flags.
42729 05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42728 diff changeset	366 self._flagprocessors = dict(flagutil.flagprocessors)
39768 7b2b42fc377a revlog: store flag processors per revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39767 diff changeset	367
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	368 # 3-tuple of file handles being used for active writing.
40627 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40626 diff changeset	369 self._writinghandles = None
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	370 # prevent nesting of addgroup
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	371 self._adding_group = None
40627 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40626 diff changeset	372
41204 e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	373 self._loadindex()
e3cfe0702eac revlog: inline opener options logic into _loadindex() Gregory Szorc <gregory.szorc@gmail.com> parents: 41203 diff changeset	374
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	375 self._concurrencychecker = concurrencychecker
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	376
47144 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	377 def _init_opts(self):
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	378 """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: 47143 diff changeset	379
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	380 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: 47143 diff changeset	381
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	382 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: 47143 diff changeset	383
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	384 * newversionflags:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	385 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: 47143 diff changeset	386
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	387 * mmapindexthreshold:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	388 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: 47143 diff changeset	389
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	390 * force_nodemap:
b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	391 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: 47143 diff changeset	392 """
34296 3c9691728237 revlog: add option to mmap revlog index Mark Thomas <mbthomas@fb.com> parents: 34291 diff changeset	393 mmapindexthreshold = None
43025 3518da504303 vfs: give all vfs an options attribute by default Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43024 diff changeset	394 opts = self.opener.options
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	395
47263 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47261 diff changeset	396 if b'changelogv2' in opts and self.revlog_kind == KIND_CHANGELOG:
47266 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	397 new_header = CHANGELOGV2
47263 6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47261 diff changeset	398 elif b'revlogv2' in opts:
47261 80164d50ae3d revlogv2: no longer attempt to use inline for new revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47259 diff changeset	399 new_header = REVLOGV2
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	400 elif b'revlogv1' in opts:
47171 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47170 diff changeset	401 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	402 if b'generaldelta' in opts:
47171 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47170 diff changeset	403 new_header \|= FLAG_GENERALDELTA
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	404 elif b'revlogv0' in self.opener.options:
47171 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47170 diff changeset	405 new_header = REVLOGV0
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	406 else:
47171 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47170 diff changeset	407 new_header = REVLOG_DEFAULT_VERSION
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	408
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	409 if b'chunkcachesize' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	410 self._chunkcachesize = opts[b'chunkcachesize']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	411 if b'maxchainlen' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	412 self._maxchainlen = opts[b'maxchainlen']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	413 if b'deltabothparents' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	414 self._deltabothparents = opts[b'deltabothparents']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	415 self._lazydelta = bool(opts.get(b'lazydelta', True))
41819 688fc33e105d storage: introduce a `revlog.reuse-external-delta` config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41764 diff changeset	416 self._lazydeltabase = False
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41764 diff changeset	417 if self._lazydelta:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	418 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	419 if b'compengine' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	420 self._compengine = opts[b'compengine']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	421 if b'zlib.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	422 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	423 if b'zstd.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	424 self._compengineopts[b'zstd.level'] = opts[b'zstd.level']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	425 if b'maxdeltachainspan' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	426 self._maxdeltachainspan = opts[b'maxdeltachainspan']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	427 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	428 mmapindexthreshold = opts[b'mmapindexthreshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	429 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	430 withsparseread = bool(opts.get(b'with-sparse-read', False))
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	431 # sparse-revlog forces sparse-read
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	432 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	433 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	434 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	435 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	436 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	437 if opts.get(b'enableellipsis'):
41200 cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	438 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	439
cecf3f8bccd3 revlog: always process opener options Gregory Szorc <gregory.szorc@gmail.com> parents: 41115 diff changeset	440 # 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	441 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	442 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	443 ):
42731 5109217a9ab6 flagutil: move insertflagprocessor to the new module (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42730 diff changeset	444 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	445
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	446 if self._chunkcachesize <= 0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	447 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	448 _(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	449 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	450 )
20180 969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize) Brodie Rao <brodie@sf.io> parents: 20179 diff changeset	451 elif self._chunkcachesize & (self._chunkcachesize - 1):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	452 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	453 _(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	454 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	455 )
47144 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	456 force_nodemap = opts.get(b'devel-force-nodemap', False)
47171 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47170 diff changeset	457 return new_header, mmapindexthreshold, force_nodemap
47144 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	458
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	459 def _get_data(self, filepath, mmap_threshold, size=None):
47169 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	460 """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: 47168 diff changeset	461
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	462 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: 47168 diff changeset	463 try:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	464 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: 47168 diff changeset	465 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: 47168 diff changeset	466 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: 47168 diff changeset	467 if file_size >= mmap_threshold:
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	468 if size is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	469 # avoid potentiel mmap crash
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	470 size = min(file_size, size)
47169 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	471 # 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: 47168 diff changeset	472 # relying on Python GC
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	473 if size is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	474 return util.buffer(util.mmapread(fp))
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	475 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	476 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: 47235 diff changeset	477 if size is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	478 return fp.read()
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	479 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	480 return fp.read(size)
47169 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	481 except IOError as inst:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	482 if inst.errno != errno.ENOENT:
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	483 raise
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	484 return b''
a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	485
47402 f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	486 def _loadindex(self, docket=None):
47144 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	487
47171 729668105901 revlog: rename `newversionflags` to `new_header` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47170 diff changeset	488 new_header, mmapindexthreshold, force_nodemap = self._init_opts()
47168 cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	489
47240 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	490 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: 47239 diff changeset	491 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: 47239 diff changeset	492 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: 47239 diff changeset	493 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: 47239 diff changeset	494 else:
47175 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47174 diff changeset	495 entry_point = b'%s.i' % self.radix
47168 cacb08f357ed revlog: define the actual index and datafile at loading time Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47167 diff changeset	496
47402 f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	497 if docket is not None:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	498 self._docket = docket
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	499 self._docket_file = entry_point
47169 a13f72b9ccfb revlog: move index reading logic in a dedicated method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47168 diff changeset	500 else:
47402 f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	501 entry_data = b''
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	502 self._initempty = True
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	503 entry_data = self._get_data(entry_point, mmapindexthreshold)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	504 if len(entry_data) > 0:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	505 header = INDEX_HEADER.unpack(entry_data[:4])[0]
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	506 self._initempty = False
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	507 else:
47402 f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	508 header = new_header
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	509
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	510 self._format_flags = header & ~0xFFFF
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	511 self._format_version = header & 0xFFFF
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	512
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	513 supported_flags = SUPPORTED_FLAGS.get(self._format_version)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	514 if supported_flags is None:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	515 msg = _(b'unknown version (%d) in revlog %s')
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	516 msg %= (self._format_version, self.display_id)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	517 raise error.RevlogError(msg)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	518 elif self._format_flags & ~supported_flags:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	519 msg = _(b'unknown flags (%#04x) in version %d revlog %s')
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	520 display_flag = self._format_flags >> 16
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	521 msg %= (display_flag, self._format_version, self.display_id)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	522 raise error.RevlogError(msg)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	523
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	524 features = FEATURES_BY_VERSION[self._format_version]
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	525 self._inline = features[b'inline'](self._format_flags)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	526 self._generaldelta = features[b'generaldelta'](self._format_flags)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	527 self.hassidedata = features[b'sidedata']
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	528
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	529 if not features[b'docket']:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	530 self._indexfile = entry_point
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	531 index_data = entry_data
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	532 else:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	533 self._docket_file = entry_point
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	534 if self._initempty:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	535 self._docket = docketutil.default_docket(self, header)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	536 else:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	537 self._docket = docketutil.parse_docket(
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	538 self, entry_data, use_pending=self._trypending
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	539 )
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	540
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47399 diff changeset	541 if self._docket is not None:
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	542 self._indexfile = self._docket.index_filepath()
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	543 index_data = b''
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	544 index_size = self._docket.index_end
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	545 if index_size > 0:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	546 index_data = self._get_data(
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	547 self._indexfile, mmapindexthreshold, size=index_size
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	548 )
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	549 if len(index_data) < index_size:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	550 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: 47235 diff changeset	551 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: 47235 diff changeset	552 raise error.RevlogError(msg)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	553
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	554 self._inline = False
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	555 # generaldelta implied by version 2 revlogs.
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	556 self._generaldelta = True
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	557 # 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: 47231 diff changeset	558 # main docket, so disable it for now.
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	559 self._nodemap_file = None
47175 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47174 diff changeset	560
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47294 diff changeset	561 if self._docket is not None:
0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47294 diff changeset	562 self._datafile = self._docket.data_filepath()
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	563 self._sidedatafile = self._docket.sidedata_filepath()
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47294 diff changeset	564 elif self.postfix is None:
47175 21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47174 diff changeset	565 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: 47174 diff changeset	566 else:
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47174 diff changeset	567 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: 47174 diff changeset	568
46780 6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46779 diff changeset	569 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46779 diff changeset	570 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46779 diff changeset	571
41447 189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41350 diff changeset	572 # 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: 41350 diff changeset	573 if not self._generaldelta:
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056) Boris Feld <boris.feld@octobus.net> parents: 41350 diff changeset	574 self._sparserevlog = False
4985 e6525e459157 revlog: simplify revlog.__init__ Matt Mackall <mpm@selenic.com> parents: 4984 diff changeset	575
39232 0a5b20c107a6 repository: remove storedeltachains from ifilestorage Gregory Szorc <gregory.szorc@gmail.com> parents: 39231 diff changeset	576 self._storedeltachains = True
30154 5e72129d75ed revlog: add instance variable controlling delta chain use Gregory Szorc <gregory.szorc@gmail.com> parents: 30012 diff changeset	577
44313 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44310 diff changeset	578 devel_nodemap = (
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	579 self._nodemap_file
47144 b6e1fe7ac24b revlog: split the option initialisation in its own method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47143 diff changeset	580 and force_nodemap
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	581 and parse_index_v1_nodemap is not None
44313 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44310 diff changeset	582 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44310 diff changeset	583
44513 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44501 diff changeset	584 use_rust_index = False
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44501 diff changeset	585 if rustrevlog is not None:
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	586 if self._nodemap_file is not None:
44513 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44501 diff changeset	587 use_rust_index = True
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44501 diff changeset	588 else:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44501 diff changeset	589 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: 44501 diff changeset	590
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	591 self._parse_index = parse_index_v1
47139 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47136 diff changeset	592 if self._format_version == REVLOGV0:
47038 724db234b790 revlog: code for `revlogv0` in its own module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47037 diff changeset	593 self._parse_index = revlogv0.parse_index_v0
47173 ef7a8a1622ad revlog: directly use self._format_version when loading index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47172 diff changeset	594 elif self._format_version == REVLOGV2:
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	595 self._parse_index = parse_index_v2
47266 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47263 diff changeset	596 elif self._format_version == CHANGELOGV2:
47270 25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47269 diff changeset	597 self._parse_index = parse_index_cl_v2
44313 6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44310 diff changeset	598 elif devel_nodemap:
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	599 self._parse_index = parse_index_v1_nodemap
44513 e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44501 diff changeset	600 elif use_rust_index:
47036 5e64c93d5f94 revlog: remove the revlogio class Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47034 diff changeset	601 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	602 try:
47176 8b549ea4bebf revlog: rename `indexdata` to entry_data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47175 diff changeset	603 d = self._parse_index(index_data, self._inline)
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	604 index, chunkcache = d
44320 671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44313 diff changeset	605 use_nodemap = (
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44313 diff changeset	606 not self._inline
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	607 and self._nodemap_file is not None
44320 671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44313 diff changeset	608 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: 44313 diff changeset	609 )
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44313 diff changeset	610 if use_nodemap:
671f9479af0e nodemap: provide the on disk data to indexes who support it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44313 diff changeset	611 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: 44313 diff changeset	612 if nodemap_data is not None:
44515 6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44513 diff changeset	613 docket = nodemap_data[0]
44954 affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44516 diff changeset	614 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44516 diff changeset	615 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: 44516 diff changeset	616 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: 44516 diff changeset	617 ):
44515 6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44513 diff changeset	618 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44513 diff changeset	619 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44513 diff changeset	620 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	621 except (ValueError, IndexError):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	622 raise error.RevlogError(
47158 e1936ae27897 revlog: use revlog.display_id for corruption error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47157 diff changeset	623 _(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	624 )
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	625 self.index = index
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	626 self._segmentfile = randomaccessfile.randomaccessfile(
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	627 self.opener,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	628 (self._indexfile if self._inline else self._datafile),
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	629 self._chunkcachesize,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	630 chunkcache,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	631 )
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	632 self._segmentfile_sidedata = randomaccessfile.randomaccessfile(
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	633 self.opener,
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	634 self._sidedatafile,
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	635 self._chunkcachesize,
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	636 )
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	637 # revnum -> (chain-length, sum-delta-length)
45779 8719a5b68419 revlog: use LRU for the chain cache Joerg Sonnenberger <joerg@bec.de> parents: 45735 diff changeset	638 self._chaininfocache = util.lrucachedict(500)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	639 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	640 self._decompressors = {}
116 e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the mpm@selenic.com parents: 115 diff changeset	641
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	642 @util.propertycache
47073 64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47072 diff changeset	643 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: 47072 diff changeset	644 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: 47072 diff changeset	645
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47072 diff changeset	646 @util.propertycache
47153 fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47151 diff changeset	647 def display_id(self):
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47151 diff changeset	648 """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: 47151 diff changeset	649 # 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: 47151 diff changeset	650 # revlog.target instead of using `self.radix`
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47151 diff changeset	651 return self.radix
fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47151 diff changeset	652
47254 eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	653 def _get_decompressor(self, t):
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	654 try:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	655 compressor = self._decompressors[t]
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	656 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	657 try:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	658 engine = util.compengines.forrevlogheader(t)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	659 compressor = engine.revlogcompressor(self._compengineopts)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	660 self._decompressors[t] = compressor
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	661 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	662 raise error.RevlogError(
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	663 _(b'unknown compression type %s') % binascii.hexlify(t)
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	664 )
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	665 return compressor
eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	666
47153 fbf38517d17d revlog: introduce a `display_id` property Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47151 diff changeset	667 @util.propertycache
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	668 def _compressor(self):
42043 1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41872 diff changeset	669 engine = util.compengines[self._compengine]
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41872 diff changeset	670 return engine.revlogcompressor(self._compengineopts)
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	671
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	672 @util.propertycache
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	673 def _decompressor(self):
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	674 """the default decompressor"""
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	675 if self._docket is None:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	676 return None
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	677 t = self._docket.default_compression_header
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	678 c = self._get_decompressor(t)
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	679 return c.decompress
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	680
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	681 def _indexfp(self):
35968 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 35967 diff changeset	682 """file object for the revlog's index file"""
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	683 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: 47218 diff changeset	684
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	685 def __index_write_fp(self):
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	686 # 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: 47218 diff changeset	687 try:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	688 f = self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	689 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: 47218 diff changeset	690 )
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	691 if self._docket is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	692 f.seek(0, os.SEEK_END)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	693 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	694 f.seek(self._docket.index_end, os.SEEK_SET)
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	695 return f
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	696 except IOError as inst:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	697 if inst.errno != errno.ENOENT:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	698 raise
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	699 return self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	700 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: 47218 diff changeset	701 )
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	702
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	703 def __index_new_fp(self):
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	704 # 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: 47218 diff changeset	705 return self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	706 self._indexfile,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	707 mode=b"w",
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	708 checkambig=self._checkambig,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	709 atomictemp=True,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	710 )
35968 91b3b11565e5 revlog: move index file opening in a method Boris Feld <boris.feld@octobus.net> parents: 35967 diff changeset	711
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	712 def _datafp(self, mode=b'r'):
35967 61326dd7cb8d revlog: move datafile opening in a method Boris Feld <boris.feld@octobus.net> parents: 35845 diff changeset	713 """file object for the revlog's data file"""
47149 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	714 return self.opener(self._datafile, mode=mode)
35967 61326dd7cb8d revlog: move datafile opening in a method Boris Feld <boris.feld@octobus.net> parents: 35845 diff changeset	715
35973 4d66993bdcff revlog: add a _datareadfp context manager for data access needs Boris Feld <boris.feld@octobus.net> parents: 35972 diff changeset	716 @contextlib.contextmanager
47387 75e1104f23a2 revlog: use dedicated code for reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47386 diff changeset	717 def _sidedatareadfp(self):
75e1104f23a2 revlog: use dedicated code for reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47386 diff changeset	718 """file object suitable to read sidedata"""
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	719 if self._writinghandles:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	720 yield self._writinghandles[2]
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	721 else:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	722 with self.opener(self._sidedatafile) as fp:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	723 yield fp
47387 75e1104f23a2 revlog: use dedicated code for reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47386 diff changeset	724
43440 ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	725 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	726 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	727
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	728 def tip(self):
43440 ec7ba79bf3db revlog: move tiprev() from changelog up to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 43133 diff changeset	729 return self.node(self.tiprev())
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	730
24030 828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	731 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test Yuya Nishihara <yuya@tcha.org> parents: 23857 diff changeset	732 return 0 <= rev < len(self)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	733
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	734 def __len__(self):
38851 781b2720d2ac index: don't include nullid in len() Martin von Zweigbergk <martinvonz@google.com> parents: 38850 diff changeset	735 return len(self.index)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	736
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	737 def __iter__(self):
38783 e7aa113b14f7 global: use pycompat.xrange() Gregory Szorc <gregory.szorc@gmail.com> parents: 38777 diff changeset	738 return iter(pycompat.xrange(len(self)))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	739
17672 474047947b8f clfilter: make the revlog class responsible of all its iteration Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17537 diff changeset	740 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	741 """iterate over all rev in this revlog (from start to stop)"""
39881 d63153611ed5 storageutil: extract revision number iteration Gregory Szorc <gregory.szorc@gmail.com> parents: 39879 diff changeset	742 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	743
43574 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43573 diff changeset	744 @property
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	745 def nodemap(self):
43574 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43573 diff changeset	746 msg = (
43619 c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43581 diff changeset	747 b"revlog.nodemap is deprecated, "
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43581 diff changeset	748 b"use revlog.index.[has_node\|rev\|get_rev]"
43574 02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43573 diff changeset	749 )
02802fa87b74 revlog: deprecate direct `nodemap` access Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43573 diff changeset	750 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
43528 90a0f631829e revlog: return the nodemap as the nodecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43526 diff changeset	751 return self.index.nodemap
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	752
43530 6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43529 diff changeset	753 @property
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43529 diff changeset	754 def _nodecache(self):
43619 c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn() Denis Laxalde <denis.laxalde@logilab.fr> parents: 43581 diff changeset	755 msg = b"revlog._nodecache is deprecated, use revlog.index.nodemap"
43530 6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43529 diff changeset	756 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43529 diff changeset	757 return self.index.nodemap
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43529 diff changeset	758
16374 29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	759 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	760 try:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	761 self.rev(node)
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	762 return True
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	763 except KeyError:
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	764 return False
29c2ff719715 revlog: add hasnode helper method Matt Mackall <mpm@selenic.com> parents: 15890 diff changeset	765
36743 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	766 def candelta(self, baserev, rev):
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	767 """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	768 # 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	769 # 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	770 # 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	771 # 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	772 # rawtext contents) and the delta could be incompatible.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	773 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	774 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	775 ):
36743 d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	776 return False
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	777 return True
d031609b3cb7 changegroup: do not delta lfs revisions Jun Wu <quark@fb.com> parents: 35738 diff changeset	778
44445 336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44363 diff changeset	779 def update_caches(self, transaction):
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	780 if self._nodemap_file is not None:
44445 336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44363 diff changeset	781 if transaction is None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44363 diff changeset	782 nodemaputil.update_persistent_nodemap(self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44363 diff changeset	783 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44363 diff changeset	784 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: 44363 diff changeset	785
16414 e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping Bryan O'Sullivan <bryano@fb.com> parents: 16375 diff changeset	786 def clearcaches(self):
40052 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	787 self._revisioncache = None
29830 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	788 self._chainbasecache.clear()
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	789 self._segmentfile.clear_cache()
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	790 self._segmentfile_sidedata.clear_cache()
27465 072a675c51f2 revlog: make clearcaches() more effective Gregory Szorc <gregory.szorc@gmail.com> parents: 27449 diff changeset	791 self._pcache = {}
44501 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	792 self._nodemap_docket = None
43525 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43524 diff changeset	793 self.index.clearcaches()
44501 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	794 # 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: 44491 diff changeset	795 # 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: 44491 diff changeset	796 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	797 not self._inline
47164 04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47163 diff changeset	798 and self._nodemap_file is not None
44501 87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	799 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: 44491 diff changeset	800 )
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	801 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	802 nodemap_data = nodemaputil.persisted_data(self)
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	803 if nodemap_data is not None:
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	804 self._nodemap_docket = nodemap_data[0]
87b327de772c nodemap: refresh the persistent data on nodemap creation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44491 diff changeset	805 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	806
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	807 def rev(self, node):
13275 68da048b4c88 revlog: incrementally build node cache with linear searches Matt Mackall <mpm@selenic.com> parents: 13268 diff changeset	808 try:
43553 2da51e292734 index: use `index.rev` in `revlog.rev` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43552 diff changeset	809 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	810 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4 Matt Mackall <mpm@selenic.com> parents: 21752 diff changeset	811 raise
39773 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39769 diff changeset	812 except error.RevlogError:
43525 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43524 diff changeset	813 # parsers.c radix tree lookup failed
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	814 if (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	815 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	816 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	817 ):
43525 845e5b313783 revlog: move the nodemap into the index object (for pure) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 43524 diff changeset	818 raise error.WdirUnsupported
47155 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47153 diff changeset	819 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	820
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	821 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	822
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	823 # 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	824 # are flags.
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	825 def start(self, rev):
5006 c2febf5420e9 revlog: minor chunk speed-up Matt Mackall <mpm@selenic.com> parents: 5005 diff changeset	826 return int(self.index[rev][0] >> 16)
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	827
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	828 def sidedata_cut_off(self, rev):
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	829 sd_cut_off = self.index[rev][8]
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	830 if sd_cut_off != 0:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	831 return sd_cut_off
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	832 # This is some annoying dance, because entries without sidedata
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	833 # currently use 0 as their ofsset. (instead of previous-offset +
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	834 # previous-size)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	835 #
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	836 # We should reconsider this sidedata → 0 sidata_offset policy.
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	837 # In the meantime, we need this.
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	838 while 0 <= rev:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	839 e = self.index[rev]
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	840 if e[9] != 0:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	841 return e[8] + e[9]
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	842 rev -= 1
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	843 return 0
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	844
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	845 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	846 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	847
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	848 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	849 return self.index[rev][1]
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	850
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	851 def sidedata_length(self, rev):
47136 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47134 diff changeset	852 if not self.hassidedata:
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	853 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	854 return self.index[rev][9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	855
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	856 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	857 """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	858 l = self.index[rev][2]
38177 7fa3408f83ef revlog: disallow setting uncompressed length to None Yuya Nishihara <yuya@tcha.org> parents: 38169 diff changeset	859 if l >= 0:
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	860 return l
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	861
42768 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42732 diff changeset	862 t = self.rawdata(rev)
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	863 return len(t)
31856 0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	864
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	865 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	866 """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	867 # 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	868 # 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	869 flags = self.flags(rev)
42730 92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42729 diff changeset	870 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	871 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	872
0ab7f469d386 revlog: make "size" diverge from "rawsize" Jun Wu <quark@fb.com> parents: 31804 diff changeset	873 return len(self.revision(rev, raw=False))
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	874
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	875 def chainbase(self, rev):
29830 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	876 base = self._chainbasecache.get(rev)
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	877 if base is not None:
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	878 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	879
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	880 index = self.index
38169 fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38168 diff changeset	881 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38168 diff changeset	882 base = index[iterrev][3]
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38168 diff changeset	883 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38168 diff changeset	884 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision Paul Morelle <paul.morelle@octobus.net> parents: 38168 diff changeset	885 base = index[iterrev][3]
29830 92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	886
92ac2baaea86 revlog: use an LRU cache for delta chain bases Gregory Szorc <gregory.szorc@gmail.com> parents: 29829 diff changeset	887 self._chainbasecache[rev] = base
14252 19067884c5f5 revlog: calculate base revisions iteratively Sune Foldager <cryo@cyanite.org> parents: 14251 diff changeset	888 return base
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	889
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	890 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	891 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	892
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	893 def parentrevs(self, rev):
32403 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32393 diff changeset	894 try:
35521 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35345 diff changeset	895 entry = self.index[rev]
32403 a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32393 diff changeset	896 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32393 diff changeset	897 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32393 diff changeset	898 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32393 diff changeset	899 raise
47504 411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46974 diff changeset	900
411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46974 diff changeset	901 return entry[5], entry[6]
35521 a0fab647a8f1 revlog: don't use slicing to return parents Gregory Szorc <gregory.szorc@gmail.com> parents: 35345 diff changeset	902
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	903 # 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: 40056 diff changeset	904 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	905
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	906 def node(self, rev):
32443 34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32403 diff changeset	907 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32403 diff changeset	908 return self.index[rev][7]
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32403 diff changeset	909 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32403 diff changeset	910 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32403 diff changeset	911 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed Pulkit Goyal <7895pulkit@gmail.com> parents: 32403 diff changeset	912 raise
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	913
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	914 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	915
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	916 def end(self, rev):
46710 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	917 return self.start(rev) + self.length(rev)
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	918
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	919 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	920 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	921 d = i[self.rev(node)]
47504 411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 46974 diff changeset	922 return i[d[5]][7], i[d[6]][7] # map revisions to nodes inline
30287 0986f225c149 revlog: reorder index accessors to match data structure order Gregory Szorc <gregory.szorc@gmail.com> parents: 30210 diff changeset	923
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	924 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	925 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	926
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	927 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	928 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	929 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	930 return chaininfocache[rev]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	931 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	932 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	933 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	934 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	935 clen = 0
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	936 compresseddeltalen = 0
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	937 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	938 clen += 1
23286 40e0067899d4 revlog: compute length of compressed deltas along with chain length Siddharth Agarwal <sid0@fb.com> parents: 23285 diff changeset	939 compresseddeltalen += e[1]
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	940 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	941 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	942 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	943 iterrev -= 1
23306 f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	944 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	945 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	946 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	947 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	948 break
23254 d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d Mateusz Kwapich <mitrandir@fb.com> parents: 22934 diff changeset	949 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	950 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	951 # 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	952 # 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	953 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	954 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	955 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	956 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452) Siddharth Agarwal <sid0@fb.com> parents: 23288 diff changeset	957
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	958 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	959 """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	960
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	961 ``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	962 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	963
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	964 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	965 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	966 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	967 """
33171 6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32969 diff changeset	968 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32969 diff changeset	969 try:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32969 diff changeset	970 return self.index.deltachain(rev, stoprev, self._generaldelta)
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32969 diff changeset	971 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32969 diff changeset	972 pass
6d678ab1b10d revlog: C implementation of delta chain resolution Gregory Szorc <gregory.szorc@gmail.com> parents: 32969 diff changeset	973
27468 93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	974 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	975
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	976 # 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	977 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	978 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	979
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	980 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	981 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	982 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	983 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	984 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	985 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	986 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	987 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	988 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	989
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	990 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	991 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	992 else:
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	993 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	994 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	995
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	996 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	997 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function Gregory Szorc <gregory.szorc@gmail.com> parents: 27465 diff changeset	998
18081 f88c60e740a1 revlog.ancestors: add support for including revs Siddharth Agarwal <sid0@fb.com> parents: 17975 diff changeset	999 def ancestors(self, revs, stoprev=0, inclusive=False):
40738 8947f49daaa8 revlog: update the docstring of `ancestors` to match reality Boris Feld <boris.feld@octobus.net> parents: 40627 diff changeset	1000 """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	1001 Does not generate revs lower than stoprev.
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1002
18090 9abc55ef85b5 revlog: move ancestor generation out to a new class Siddharth Agarwal <sid0@fb.com> parents: 18083 diff changeset	1003 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	1004
40152 adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	1005 # 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: 40056 diff changeset	1006 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	1007 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	1008 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	1009 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each Yuya Nishihara <yuya@tcha.org> parents: 40056 diff changeset	1010 # and we're sure ancestors aren't filtered as well
41115 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41086 diff changeset	1011
47269 6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	1012 if rustancestor is not None and self.index.rust_ext_compat:
42452 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42446 diff changeset	1013 lazyancestors = rustancestor.LazyAncestors
41115 536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41086 diff changeset	1014 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41086 diff changeset	1015 else:
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41086 diff changeset	1016 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41086 diff changeset	1017 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python Georges Racinet <gracinet@anybox.fr> parents: 41086 diff changeset	1018 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	1019
16867 1093ad1e8903 revlog: descendants(revs) becomes descendants(revs) (API) Bryan O'Sullivan <bryano@fb.com>* parents: 16866 diff changeset	1020 def descendants(self, revs):
39999 0b24fcd88066 dagop: extract descendants() from revlog module Gregory Szorc <gregory.szorc@gmail.com> parents: 39908 diff changeset	1021 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	1022
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1023 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1024 """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	1025 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	1026 tuple:
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1027
15835 fa15869bf95c revlog: improve docstring for findcommonmissing Pierre-Yves David <pierre-yves.david@ens-lyon.org> parents: 15827 diff changeset	1028 ::common, (::heads) - (::common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1029
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1030 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	1031 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1032
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1033 '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	1034 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	1035 supplied, uses nullid."""
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1036 if common is None:
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1037 common = [self.nullid]
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1038 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1039 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1040
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1041 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	1042 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	1043
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1044 # we want the ancestors, but inclusive
20073 eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1045 class lazyset(object):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1046 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1047 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1048 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1049
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1050 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1051 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	1052
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1053 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1054 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1055 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1056 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1057 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1058 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1059 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1060
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1061 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1062 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1063
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1064 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1065 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1066
eeba4eaf0716 revlog: return lazy set from findcommonmissing Durham Goode <durham@fb.com> parents: 19776 diff changeset	1067 has = lazyset(self.ancestors(common))
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1068 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1069 has.update(common)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1070
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1071 # 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	1072 missing = set()
25113 0ca8410ea345 util: drop alias for collections.deque Martin von Zweigbergk <martinvonz@google.com> parents: 24454 diff changeset	1073 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	1074 while visit:
16803 107a3270a24a cleanup: use the deque type where appropriate Bryan O'Sullivan <bryano@fb.com> parents: 16786 diff changeset	1075 r = visit.popleft()
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1076 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1077 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1078 else:
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	1079 missing.add(r)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1080 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	1081 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1082 visit.append(p)
8453 d1ca637b0773 revlog.missing(): use sets instead of a dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8391 diff changeset	1083 missing = list(missing)
7233 9f0e52e1df77 fix pull racing with push/commit (issue1320) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 7109 diff changeset	1084 missing.sort()
30391 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30289 diff changeset	1085 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	1086
23337 3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1087 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1088 """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	1089 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	1090 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	1091 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1092
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1093 '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	1094 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1095 """
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1096 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1097 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally Siddharth Agarwal <sid0@fb.com> parents: 23328 diff changeset	1098
47269 6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	1099 if rustancestor is not None and self.index.rust_ext_compat:
42452 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42446 diff changeset	1100 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	1101 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	1102
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1103 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1104 """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	1105 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1106
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1107 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	1108 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	1109
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1110 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	1111 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	1112
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1113 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	1114 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1115
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1116 '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	1117 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	1118 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1119 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1120 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1121 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1122 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1123
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1124 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1125 return inc.missingancestors(heads)
17972 7ef00d09ef35 revlog: add rev-specific variant of findmissing Siddharth Agarwal <sid0@fb.com> parents: 17971 diff changeset	1126
13741 b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1127 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1128 """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	1129
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1130 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	1131 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1132
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1133 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	1134 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	1135
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1136 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	1137 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1138
b51bf961b3cb wireproto: add getbundle() function Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 13400 diff changeset	1139 '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	1140 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	1141 supplied, uses nullid."""
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1142 if common is None:
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1143 common = [self.nullid]
17971 e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1144 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1145 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1146
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors Siddharth Agarwal <sid0@fb.com> parents: 17951 diff changeset	1147 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	1148 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	1149
23338 d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1150 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs Siddharth Agarwal <sid0@fb.com> parents: 23337 diff changeset	1151 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	1152
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1153 def nodesbetween(self, roots=None, heads=None):
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1154 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1155
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1156 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	1157 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	1158 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1159
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1160 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	1161 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	1162
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1163 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	1164 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	1165 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	1166
10047 27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1167 '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	1168 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	1169 '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	1170
27267b1f68b4 revlog: rewrite several method docstrings Greg Ward <greg-hg@gerg.ca> parents: 9679 diff changeset	1171 '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	1172 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	1173 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	1174 nonodes = ([], [], [])
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1175 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	1176 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	1177 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	1178 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1179 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	1180 else:
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1181 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	1182 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1. Thomas Arendsen Hein <thomas@intevation.de> parents: 3508 diff changeset	1183 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	1184 # We want _all_ the nodes!
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1185 return (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1186 [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	1187 [self.nullid],
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1188 list(self.heads()),
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1189 )
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1190 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	1191 # 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	1192 # node.
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1193 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	1194 # 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	1195 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1196 # 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	1197 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1198 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	1199 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	1200 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	1201 return nonodes
8464 7af92e70bb25 revlog: use set instead of dict Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 8453 diff changeset	1202 ancestors = set()
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1203 # 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	1204 # 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	1205 # find from roots.
14219 c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween Martin Geisler <mg@aragost.com> parents: 14208 diff changeset	1206 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	1207 # 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	1208 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	1209 # 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	1210 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	1211 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1212 # 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	1213 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1214 # Never tag nullid
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1215 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	1216 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1217 # 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	1218 # 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	1219 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	1220 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1221 if n not in ancestors:
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1222 # 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	1223 # 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	1224 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	1225 # 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	1226 nodestotag.update(
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1227 [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	1228 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1229 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	1230 # 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	1231 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1232 heads.pop(n)
1459 106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid]. Eric Hopper <hopper@omnifarious.org> parents: 1458 diff changeset	1233 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	1234 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1235 # 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	1236 # 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	1237
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1238 # 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	1239 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	1240 # 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	1241 # 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	1242
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1243 # Filter out roots that aren't ancestors of heads
30391 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30289 diff changeset	1244 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	1245 # 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	1246 if roots:
30391 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30289 diff changeset	1247 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	1248 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1249 # 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	1250 return nonodes
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1251 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1252 # 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	1253 # 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	1254 lowestrev = nullrev
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1255 roots = [self.nullid]
8152 08e1baf924ca replace set-like dictionaries with real sets Martin Geisler <mg@lazybytes.net> parents: 8150 diff changeset	1256 # Transform our roots list into a set.
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1257 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	1258 # 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	1259 # '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	1260 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	1261 # 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	1262 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1263 # 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	1264 # 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	1265 # 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	1266 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	1267 n = self.node(r)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1268 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1269 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	1270 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1271 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1272 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1273 isdescendant = True
1457 518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1274 # 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	1275 # 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	1276 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	1277 # 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	1278 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1279 # 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	1280 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	1281 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	1282 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1283 p = tuple(self.parents(n))
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1284 # 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	1285 # 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	1286 # up there, remember?)
14549 48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1287 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	1288 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1289 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant Matt Mackall <mpm@selenic.com> parents: 14523 diff changeset	1290 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	1291 # 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	1292 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1293 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	1294 # 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	1295 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1296 # 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	1297 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	1298 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	1299 # 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	1300 # 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	1301 # 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	1302 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	1303 # 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	1304 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	1305 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	1306 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	1307 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	1308 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1309 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1310 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method Eric Hopper <hopper@omnifarious.org> parents: 1351 diff changeset	1311 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	1312
41275 1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1313 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1314 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1315 try:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1316 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1317 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs` Boris Feld <boris.feld@octobus.net> parents: 41247 diff changeset	1318 return self._headrevs()
47269 6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	1319 if rustdagop is not None and self.index.rust_ext_compat:
42452 a3a8887e4426 rust: using policy.importrust from Python callers Georges Racinet <georges.racinet@octobus.net> parents: 42446 diff changeset	1320 return rustdagop.headrevs(self.index, revs)
41763 6843379bf99e changelog: prefilter in headrevs() Georges Racinet <georges.racinet@octobus.net> parents: 41689 diff changeset	1321 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	1322
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1323 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	1324 return self.index.computephasesmapsets(roots)
24444 27e3ba73fbb1 phase: default to C implementation for phase computation Laurent Charignon <lcharignon@fb.com> parents: 24255 diff changeset	1325
17674 e69274f8d444 clfilter: split `revlog.headrevs` C call from python code Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17673 diff changeset	1326 def _headrevs(self):
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1327 count = len(self)
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1328 if not count:
cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1329 return [nullrev]
17673 d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs` Pierre-Yves David <pierre-yves.david@logilab.fr> parents: 17672 diff changeset	1330 # 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	1331 ishead = [0] * (count + 1)
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1332 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	1333 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	1334 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	1335 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	1336 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	1337 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	1338
3923 27230c29bfec fix calculation of new heads added during push with -r Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3755 diff changeset	1339 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	1340 """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	1341
e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1342 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	1343 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	1344 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	1345 as if they had no children
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1346 """
4991 9c8c42bcf17a revlog: implement a fast path for heads Matt Mackall <mpm@selenic.com> parents: 4990 diff changeset	1347 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	1348 if not len(self):
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1349 return [self.nullid]
14164 cb98fed52495 discovery: add new set-based discovery Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 14144 diff changeset	1350 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	1351
1551 e793cbc8be00 Fixes to "hg heads -r FOO": Thomas Arendsen Hein <thomas@intevation.de> parents: 1550 diff changeset	1352 if start is None:
40000 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1353 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1354 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1355 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1356
44452 9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things Augie Fackler <augie@google.com> parents: 44445 diff changeset	1357 stoprevs = {self.rev(n) for n in stop or []}
40000 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1358
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1359 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1360 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1361 )
40000 8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1362
8af835af0a85 dagop: extract DAG local heads functionality from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39999 diff changeset	1363 return [self.node(rev) for rev in revs]
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1364
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1365 def children(self, node):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	1366 """find the children of a given node"""
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1367 c = []
c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1368 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	1369 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	1370 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	1371 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	1372 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	1373 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	1374 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	1375 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	1376 c.append(self.node(r))
370 c90385d82aec revlog: add a children function mpm@selenic.com parents: 330 diff changeset	1377 return c
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1378
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1379 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1380 """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	1381 a, b = self.rev(a), self.rev(b)
38512 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1382 ancs = self._commonancestorsheads(a, b)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1383 return pycompat.maplist(self.node, ancs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1384
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1385 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1386 """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	1387 try:
38512 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1388 ancs = self.index.commonancestorsheads(*revs)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1389 except (AttributeError, OverflowError): # C implementation failed
38512 99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1390 ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads Boris Feld <boris.feld@octobus.net> parents: 38511 diff changeset	1391 return ancs
21104 40ace21cb3a1 revlog: introduce commonancestorsheads method Mads Kiilerich <madski@unity3d.com> parents: 20965 diff changeset	1392
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1393 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	1394 """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	1395
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API) Martin von Zweigbergk <martinvonz@google.com> parents: 38663 diff changeset	1396 A revision is considered an ancestor of itself."""
38514 cc3543c87de5 revlog: reuse 'descendant' implemention in 'isancestor' Boris Feld <boris.feld@octobus.net> parents: 38513 diff changeset	1397 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	1398 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	1399
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase Martin von Zweigbergk <martinvonz@google.com> parents: 38665 diff changeset	1400 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	1401 """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	1402
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1403 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	1404
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1405 The implementation of this is trivial but the use of
42446 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1406 reachableroots is not."""
38668 21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1407 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1408 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1409 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1410 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1411 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev() Martin von Zweigbergk <martinvonz@google.com> parents: 38666 diff changeset	1412 return False
42446 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1413 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	1414
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1415 def reachableroots(self, minroot, heads, roots, includepath=False):
43779 2e30d7df4809 revlog: fix revset in reachableroots docstring Jun Wu <quark@fb.com> parents: 43619 diff changeset	1416 """return (heads(::(<roots> and <roots>::<heads>)))
42446 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1417
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1418 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1419 try:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1420 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1421 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1422 )
42446 055c3e2c44f0 revlog: speed up isancestor Valentin Gatien-Baron <vgatien-baron@janestreet.com> parents: 42044 diff changeset	1423 except AttributeError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1424 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1425 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1426 )
22381 392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage Mads Kiilerich <madski@unity3d.com> parents: 22282 diff changeset	1427
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1428 def ancestor(self, a, b):
22389 94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor' Mads Kiilerich <madski@unity3d.com> parents: 22381 diff changeset	1429 """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	1430
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1431 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	1432 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1433 ancs = self.index.ancestors(a, b)
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1434 except (AttributeError, OverflowError):
18988 5bae936764bb parsers: a C implementation of the new ancestors algorithm Bryan O'Sullivan <bryano@fb.com> parents: 18987 diff changeset	1435 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	1436 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie Bryan O'Sullivan <bryano@fb.com> parents: 18986 diff changeset	1437 # choose a consistent winner when there's a tie
21107 4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors Mads Kiilerich <madski@unity3d.com> parents: 21104 diff changeset	1438 return min(map(self.node, ancs))
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1439 return self.nullid
10897 adb6a291bbdb revlog: put graph related functions together Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 10404 diff changeset	1440
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1441 def _match(self, id):
16762 93f8b9565257 revlog: don't handle long for revision matching Matt Mackall <mpm@selenic.com> parents: 16686 diff changeset	1442 if isinstance(id, int):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1443 # 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	1444 return self.node(id)
47042 c5e1cc0b4c77 core: don't hard-code node length Joerg Sonnenberger <joerg@bec.de> parents: 47041 diff changeset	1445 if len(id) == self.nodeconstants.nodelen:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1446 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1447 # 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	1448 try:
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1449 node = id
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1450 self.rev(node) # quick search the index
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1451 return node
39775 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39774 diff changeset	1452 except error.LookupError:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1453 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	1454 try:
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1455 # str(rev)
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1456 rev = int(id)
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1457 if b"%d" % rev != id:
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1458 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1459 if rev < 0:
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1460 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	1461 if rev < 0 or rev >= len(self):
4980 fc44c8df9d99 revlog: some codingstyle cleanups Matt Mackall <mpm@selenic.com> parents: 4979 diff changeset	1462 raise ValueError
36 da28286bf6b7 Add smart node lookup by substring or by rev number mpm@selenic.com parents: 26 diff changeset	1463 return self.node(rev)
469 e205194ca7ef Various node id lookup tweaks mpm@selenic.com parents: 451 diff changeset	1464 except (ValueError, OverflowError):
3156 d01e4cb2f5f2 cleanups in revlog.lookup Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3139 diff changeset	1465 pass
47041 a407fe56d6e8 core: don't hard-code hex node lengths Joerg Sonnenberger <joerg@bec.de> parents: 47038 diff changeset	1466 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	1467 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1468 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1469 node = bin(id)
7874 d812029cda85 cleanup: drop variables for unused return values Peter Arrenbrecht <peter.arrenbrecht@gmail.com> parents: 7873 diff changeset	1470 self.rev(node)
3157 4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...] Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 3156 diff changeset	1471 return node
39775 974592474dee revlog: drop LookupError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39774 diff changeset	1472 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	1473 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1474
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1475 def _partialmatch(self, id):
37449 a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception Yuya Nishihara <yuya@tcha.org> parents: 37443 diff changeset	1476 # we don't care wdirfilenodeids as they should be always full hash
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1477 maybewdir = self.nodeconstants.wdirhex.startswith(id)
47294 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1478 ambiguous = False
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1479 try:
30391 2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30289 diff changeset	1480 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions Augie Fackler <augie@google.com> parents: 30289 diff changeset	1481 if partial and self.hasnode(partial):
32684 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32659 diff changeset	1482 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32659 diff changeset	1483 # single 'ff...' match in radix tree, ambiguous with wdir
47294 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1484 ambiguous = True
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1485 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1486 return partial
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1487 elif maybewdir:
32684 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32659 diff changeset	1488 # 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: 32659 diff changeset	1489 raise error.WdirUnsupported
47294 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1490 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1491 return None
39773 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39769 diff changeset	1492 except error.RevlogError:
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1493 # 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	1494 # 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	1495 if not getattr(self, 'filteredrevs', None):
47294 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1496 ambiguous = True
19471 fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979) Matt Mackall <mpm@selenic.com> parents: 19326 diff changeset	1497 # 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	1498 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1499 # 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	1500 pass
47294 93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1501 if ambiguous:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1502 raise error.AmbiguousPrefixLookupError(
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control Martin von Zweigbergk <martinvonz@google.com> parents: 47285 diff changeset	1503 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: 47285 diff changeset	1504 )
16665 e410be860393 revlog: speed up prefix matching against nodes Bryan O'Sullivan <bryano@fb.com> parents: 16533 diff changeset	1505
13258 c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1506 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1507 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups Matt Mackall <mpm@selenic.com> parents: 13254 diff changeset	1508
37819 ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids Martin von Zweigbergk <martinvonz@google.com> parents: 37767 diff changeset	1509 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	1510 try:
3438 b17f9d3eda74 revlog.lookup tweaks Matt Mackall <mpm@selenic.com> parents: 3390 diff changeset	1511 # hex(node)[:...]
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	1512 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	1513 prefix = bin(id[: l * 2])
13259 3b616dfa4b17 revlog: do revlog node->rev mapping by scanning Matt Mackall <mpm@selenic.com> parents: 13258 diff changeset	1514 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	1515 nl = [
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1516 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	1517 ]
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1518 if self.nodeconstants.nullhex.startswith(id):
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1519 nl.append(self.nullid)
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1520 if len(nl) > 0:
32684 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32659 diff changeset	1521 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	1522 self._pcache[id] = nl[0]
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1523 return nl[0]
39774 4a2466b2a434 revlog: drop some more error aliases (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39773 diff changeset	1524 raise error.AmbiguousPrefixLookupError(
47159 1ec64f59dc27 revlog: use revlog.display_id in ambiguity errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47158 diff changeset	1525 id, self.display_id, _(b'ambiguous identifier')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1526 )
32684 af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32659 diff changeset	1527 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id Yuya Nishihara <yuya@tcha.org> parents: 32659 diff changeset	1528 raise error.WdirUnsupported
7365 ec3aafa84d44 lookup: speed up partial lookup Matt Mackall <mpm@selenic.com> parents: 7363 diff changeset	1529 return None
36238 f574cc00831a node: make bin() be a wrapper instead of just an alias Augie Fackler <augie@google.com> parents: 35974 diff changeset	1530 except TypeError:
3453 dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1531 pass
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1532
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1533 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1534 """locate a node based on:
45942 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45870 diff changeset	1535 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45870 diff changeset	1536 - 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	1537 """
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1538 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1539 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	1540 return n
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1541 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1542 if n:
dba3cadef789 Only look up tags and branches as a last resort Matt Mackall <mpm@selenic.com> parents: 3438 diff changeset	1543 return n
515 03f27b1381f9 Whitespace cleanups mpm@selenic.com parents: 484 diff changeset	1544
47155 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47153 diff changeset	1545 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	1546
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1547 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	1548 """Find the shortest unambiguous prefix that matches node."""
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1549
37863 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37862 diff changeset	1550 def isvalid(prefix):
34250 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1551 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	1552 matchednode = self._partialmatch(prefix)
39831 7a9e2d85f475 revlog: catch more specific exception in shortest() Yuya Nishihara <yuya@tcha.org> parents: 39778 diff changeset	1553 except error.AmbiguousPrefixLookupError:
34250 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1554 return False
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1555 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1556 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1557 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	1558 if matchednode is None:
47155 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47153 diff changeset	1559 raise error.LookupError(node, self.display_id, _(b'no node'))
37970 76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid() Martin von Zweigbergk <martinvonz@google.com> parents: 37969 diff changeset	1560 return True
34250 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1561
37968 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1562 def maybewdir(prefix):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1563 return all(c == b'f' for c in pycompat.iterbytestr(prefix))
37968 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1564
37767 44d1959acb3b revlog: make shortest() take a full binary nodeid (API) Martin von Zweigbergk <martinvonz@google.com> parents: 37494 diff changeset	1565 hexnode = hex(node)
37968 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1566
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1567 def disambiguate(hexnode, minlength):
37971 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 37970 diff changeset	1568 """Disambiguate against wdirid."""
45053 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44954 diff changeset	1569 for length in range(minlength, len(hexnode) + 1):
37968 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1570 prefix = hexnode[:length]
37971 3ac950cd5978 shortest: move revnum-disambiguation out of revlog Martin von Zweigbergk <martinvonz@google.com> parents: 37970 diff changeset	1571 if not maybewdir(prefix):
37968 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1572 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1573
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1574 if not getattr(self, 'filteredrevs', None):
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1575 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1576 length = max(self.index.shortest(node), minlength)
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1577 return disambiguate(hexnode, length)
39773 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39769 diff changeset	1578 except error.RevlogError:
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1579 if node != self.nodeconstants.wdirid:
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	1580 raise error.LookupError(
47155 96ee8ca99f5a revlog: use revlog.display_id in LookupError Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47153 diff changeset	1581 node, self.display_id, _(b'no node')
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	1582 )
37968 0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1583 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1584 # Fall through to pure code
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1585 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation Martin von Zweigbergk <martinvonz@google.com> parents: 37865 diff changeset	1586
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1587 if node == self.nodeconstants.wdirid:
45053 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44954 diff changeset	1588 for length in range(minlength, len(hexnode) + 1):
37969 0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 37968 diff changeset	1589 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 37968 diff changeset	1590 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 37968 diff changeset	1591 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 37968 diff changeset	1592
45053 cc2572923ea3 revlog: avoid hard-coded hash sizes Joerg Sonnenberger <joerg@bec.de> parents: 44954 diff changeset	1593 for length in range(minlength, len(hexnode) + 1):
37863 6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37862 diff changeset	1594 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix" Martin von Zweigbergk <martinvonz@google.com> parents: 37862 diff changeset	1595 if isvalid(prefix):
37969 0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end Martin von Zweigbergk <martinvonz@google.com> parents: 37968 diff changeset	1596 return disambiguate(hexnode, length)
34250 448725a2ef73 templater: extract shortest() logic from template function Martin von Zweigbergk <martinvonz@google.com> parents: 34148 diff changeset	1597
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1598 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	1599 """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	1600
a463e3c50212 cmp: document the fact that we return True if content is different Nicolas Dumazet <nicdumz.commits@gmail.com> parents: 11323 diff changeset	1601 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	1602 """
2890 5df3e5cf16bc Move cmp bits from filelog to revlog Matt Mackall <mpm@selenic.com> parents: 2859 diff changeset	1603 p1, p2 = self.parents(node)
39877 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39872 diff changeset	1604 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	1605
32229 75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs() Gregory Szorc <gregory.szorc@gmail.com> parents: 32227 diff changeset	1606 def _getsegmentforrevs(self, startrev, endrev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1607 """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	1608
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1609 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	1610 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	1611 seek position will not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1612
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1613 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1614
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1615 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	1616 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	1617 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	1618
6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1619 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	1620 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	1621 """
30288 ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30287 diff changeset	1622 # 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: 30287 diff changeset	1623 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30287 diff changeset	1624 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30287 diff changeset	1625 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30287 diff changeset	1626 start = int(istart[0] >> 16)
30289 1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30288 diff changeset	1627 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30288 diff changeset	1628 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30288 diff changeset	1629 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30288 diff changeset	1630 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev Gregory Szorc <gregory.szorc@gmail.com> parents: 30288 diff changeset	1631 end = int(iend[0] >> 16) + iend[1]
30288 ceddc3d94d74 revlog: inline start() and end() for perf reasons Gregory Szorc <gregory.szorc@gmail.com> parents: 30287 diff changeset	1632
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1633 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	1634 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	1635 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	1636 length = end - start
27649 6446e9b37c8b revlog: return offset from _chunkraw() Gregory Szorc <gregory.szorc@gmail.com> parents: 27637 diff changeset	1637
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	1638 return start, self._segmentfile.read_chunk(start, length, df)
8318 6b8513f8274a revlog: add cache priming for reconstructing delta chains Matt Mackall <mpm@selenic.com> parents: 8317 diff changeset	1639
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1640 def _chunk(self, rev, df=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1641 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1642
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1643 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	1644 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	1645 be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1646
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1647 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1648 """
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1649 compression_mode = self.index[rev][10]
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1650 data = self._getsegmentforrevs(rev, rev, df=df)[1]
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1651 if compression_mode == COMP_MODE_PLAIN:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1652 return data
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	1653 elif compression_mode == COMP_MODE_DEFAULT:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	1654 return self._decompressor(data)
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1655 elif compression_mode == COMP_MODE_INLINE:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1656 return self.decompress(data)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1657 else:
47414 5fbac82a8780 revlog: byteify a few error strings Matt Harbison <matt_harbison@yahoo.com> parents: 47413 diff changeset	1658 msg = b'unknown compression mode %d'
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1659 msg %= compression_mode
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1660 raise error.RevlogError(msg)
8650 ef393d6ec030 revlog: refactor chunk cache interface again Matt Mackall <mpm@selenic.com> parents: 8643 diff changeset	1661
38644 43d0619cec90 revlog: enforce chunk slicing down to a certain size Boris Feld <boris.feld@octobus.net> parents: 38643 diff changeset	1662 def _chunks(self, revs, df=None, targetsize=None):
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1663 """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	1664
27070 7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1665 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	1666 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1667 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	1668 not be preserved.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1669
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1670 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1671 but is faster.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1672
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1673 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation Gregory Szorc <gregory.szorc@gmail.com> parents: 26907 diff changeset	1674 """
19716 e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1675 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks Siddharth Agarwal <sid0@fb.com> parents: 19715 diff changeset	1676 return []
19713 c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1677 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1678 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1679 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	1680 iosize = self.index.entry_size
19715 1aab406be57c revlog._chunks: inline getchunk Siddharth Agarwal <sid0@fb.com> parents: 19714 diff changeset	1681 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	1682
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1683 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1684 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1685
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1686 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	1687 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	1688 else:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1689 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1690 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1691 )
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1692
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1693 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	1694 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	1695 # 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	1696 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	1697 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	1698 break
34823 7891d243d821 revlog: ignore empty trailing chunks when reading segments Paul Morelle <paul.morelle@octobus.net> parents: 34296 diff changeset	1699
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1700 try:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1701 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	1702 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	1703 # 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	1704 # 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	1705 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	1706
34824 e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse Paul Morelle <paul.morelle@octobus.net> parents: 34823 diff changeset	1707 decomp = self.decompress
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	1708 # 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: 47254 diff changeset	1709 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	1710 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	1711 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	1712 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	1713 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	1714 chunklength = length(rev)
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1715 comp_mode = self.index[rev][10]
47252 e340b556a13e revlog: use an intermediate variable for `data` in `_chunk` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47249 diff changeset	1716 c = buffer(data, chunkstart - offset, chunklength)
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1717 if comp_mode == COMP_MODE_PLAIN:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1718 ladd(c)
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1719 elif comp_mode == COMP_MODE_INLINE:
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1720 ladd(decomp(c))
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	1721 elif comp_mode == COMP_MODE_DEFAULT:
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47254 diff changeset	1722 ladd(def_decomp(c))
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1723 else:
47414 5fbac82a8780 revlog: byteify a few error strings Matt Harbison <matt_harbison@yahoo.com> parents: 47413 diff changeset	1724 msg = b'unknown compression mode %d'
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1725 msg %= comp_mode
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	1726 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	1727
c2e27e57d250 revlog: add a fast method for getting a list of chunks Siddharth Agarwal <sid0@fb.com> parents: 19625 diff changeset	1728 return l
14075 bc101902a68d revlog: introduce _chunkbase to allow filelog to override Sune Foldager <cryo@cyanite.org> parents: 14064 diff changeset	1729
11929 1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision Pradeepkumar Gayam <in3xes@gmail.com> parents: 11928 diff changeset	1730 def deltaparent(self, rev):
14195 0013d3eeb826 revlog: remove support for parentdelta Sune Foldager <cryo@cyanite.org> parents: 14164 diff changeset	1731 """return deltaparent of the given revision"""
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1732 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1733 if base == rev:
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1734 return nullrev
14253 c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1735 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs Sune Foldager <cryo@cyanite.org> parents: 14252 diff changeset	1736 return base
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1737 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1738 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	1739
39149 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39147 diff changeset	1740 def issnapshot(self, rev):
45942 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45870 diff changeset	1741 """tells whether rev is a snapshot"""
41086 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41084 diff changeset	1742 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41084 diff changeset	1743 return self.deltaparent(rev) == nullrev
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1744 elif util.safehasattr(self.index, b'issnapshot'):
41086 a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41084 diff changeset	1745 # 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: 41084 diff changeset	1746 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot Boris Feld <boris.feld@octobus.net> parents: 41084 diff changeset	1747 return self.issnapshot(rev)
39149 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39147 diff changeset	1748 if rev == nullrev:
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39147 diff changeset	1749 return True
41084 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1750 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1751 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1752 if base == rev:
39149 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39147 diff changeset	1753 return True
41084 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1754 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1755 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1756 p1 = entry[5]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1757 p2 = entry[6]
84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1758 if base == p1 or base == p2:
39150 f39efa885a6d revlog: also detect intermediate snapshots Paul Morelle <paul.morelle@octobus.net> parents: 39149 diff changeset	1759 return False
41084 84491ae0b3f0 revlog: more efficient implementation for issnapshot Boris Feld <boris.feld@octobus.net> parents: 41083 diff changeset	1760 return self.issnapshot(base)
39149 f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot Paul Morelle <paul.morelle@octobus.net> parents: 39147 diff changeset	1761
39152 3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39150 diff changeset	1762 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39150 diff changeset	1763 """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: 39150 diff changeset	1764 if not self.issnapshot(rev):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1765 raise error.ProgrammingError(b'revision %d not a snapshot')
39152 3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39150 diff changeset	1766 return len(self._deltachain(rev)[0]) - 1
3b1042cab4b4 revlog: add a method to retrieve snapshot depth Boris Feld <boris.feld@octobus.net> parents: 39150 diff changeset	1767
1941 7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid) Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 1853 diff changeset	1768 def revdiff(self, rev1, rev2):
31753 5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31752 diff changeset	1769 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31752 diff changeset	1770
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31752 diff changeset	1771 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: 31752 diff changeset	1772 revlog data directly. So this function needs raw revision data.
5d11b5edcb0b revlog: use raw revisions in revdiff Jun Wu <quark@fb.com> parents: 31752 diff changeset	1773 """
14208 d62d597b8974 revlog: compute correct deltaparent in the deltaparent function Sune Foldager <cryo@cyanite.org> parents: 14196 diff changeset	1774 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
31369 b6f5af372c0c revlog: use bytes() instead of str() to get data from memoryview Augie Fackler <augie@google.com> parents: 31357 diff changeset	1775 return bytes(self._chunk(rev2))
5005 72082bfced9a revlog: minor revdiff reorganization Matt Mackall <mpm@selenic.com> parents: 5004 diff changeset	1776
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1777 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	1778
42993 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42992 diff changeset	1779 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: 42992 diff changeset	1780 """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	1781 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	1782 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42993 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42992 diff changeset	1783 if raw:
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42992 diff changeset	1784 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	1785 elif operation == b'read':
42993 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42992 diff changeset	1786 return flagutil.processflagsread(self, text, flags)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1787 else: # write operation
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1788 return flagutil.processflagswrite(self, text, flags)
42993 01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42992 diff changeset	1789
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30584 diff changeset	1790 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	1791 """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	1792 number.
26377 dfef0d3be65e revlog: support using an existing file handle when reading revlogs Gregory Szorc <gregory.szorc@gmail.com> parents: 26376 diff changeset	1793
30743 2df983125d37 revlog: add 'raw' argument to revision and _addrevision Remi Chaintron <remi@fb.com> parents: 30584 diff changeset	1794 _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: 30584 diff changeset	1795 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: 30584 diff changeset	1796 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: 30584 diff changeset	1797 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	1798 """
42845 f75f47b3ea41 revlog: deprecate the use of `revision(..., raw=True)` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42814 diff changeset	1799 if raw:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1800 msg = (
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1801 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	1802 b'use revlog.rawdata(...)'
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1803 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1804 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	1805 return self._revisiondata(nodeorrev, _df, raw=raw)
42718 389233789952 revlog: split a `_revisiondata` method to file `revision` job Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42688 diff changeset	1806
42980 0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42879 diff changeset	1807 def sidedata(self, nodeorrev, _df=None):
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42879 diff changeset	1808 """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: 42879 diff changeset	1809
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42879 diff changeset	1810 This function currently return a dictionary. However, more advanced
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42879 diff changeset	1811 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: 42879 diff changeset	1812 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42879 diff changeset	1813 """
47382 d6a52783d2ba revlog: implement sidedata without using _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47328 diff changeset	1814 # deal with <nodeorrev> argument type
d6a52783d2ba revlog: implement sidedata without using _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47328 diff changeset	1815 if isinstance(nodeorrev, int):
d6a52783d2ba revlog: implement sidedata without using _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47328 diff changeset	1816 rev = nodeorrev
d6a52783d2ba revlog: implement sidedata without using _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47328 diff changeset	1817 else:
d6a52783d2ba revlog: implement sidedata without using _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47328 diff changeset	1818 rev = self.rev(nodeorrev)
d6a52783d2ba revlog: implement sidedata without using _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47328 diff changeset	1819 return self._sidedata(rev)
42980 0d1272783f24 revlog: introduce a `sidedata` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42879 diff changeset	1820
42718 389233789952 revlog: split a `_revisiondata` method to file `revision` job Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42688 diff changeset	1821 def _revisiondata(self, nodeorrev, _df=None, raw=False):
42790 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42789 diff changeset	1822 # deal with <nodeorrev> argument type
16375 d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1823 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1824 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1825 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1826 else:
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1827 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1828 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number Matt Mackall <mpm@selenic.com> parents: 16374 diff changeset	1829
42790 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42789 diff changeset	1830 # fast path the special `nullid` rev
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	1831 if node == self.nullid:
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	1832 return b""
42789 bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42788 diff changeset	1833
43979 bdb357161d7a revlog: drop an unused variable assignment Matt Harbison <matt_harbison@yahoo.com> parents: 43957 diff changeset	1834 # ``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: 43957 diff changeset	1835 # revision or might need to be processed to retrieve the revision.
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1836 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: 42791 diff changeset	1837
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1838 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1839 # 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: 42791 diff changeset	1840 # text is cached, we can exit early.
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	1841 return rawtext
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1842 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1843 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1844 # the revlog's flag for this revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1845 # (usually alter its state or content)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1846 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1847
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1848 if validated and flags == REVIDX_DEFAULT_FLAGS:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1849 # no extra flags set, no flag processor runs, text = rawtext
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	1850 return rawtext
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1851
42879 4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42876 diff changeset	1852 if raw:
42992 dff95420480f flagprocessors: make `processflagsraw` a module level function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42991 diff changeset	1853 validatehash = flagutil.processflagsraw(self, rawtext, flags)
42879 4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42876 diff changeset	1854 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42876 diff changeset	1855 else:
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1856 r = flagutil.processflagsread(self, rawtext, flags)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1857 text, validatehash = r
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1858 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1859 self.checkhash(text, node, rev=rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1860 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1861 self._revisioncache = (node, rev, rawtext)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1862
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	1863 return text
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1864
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1865 def _rawtext(self, node, rev, _df=None):
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1866 """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: 42791 diff changeset	1867
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1868 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1869 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1870
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1871 # 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: 42791 diff changeset	1872 cachedrev = None
42790 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42789 diff changeset	1873 # An intermediate text to apply deltas to
42788 2eec53a99ec1 revlog: stop calling `basetext` `rawtext` in _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42787 diff changeset	1874 basetext = None
42790 616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42789 diff changeset	1875
616aa62e5027 revlog: add some documentation to `_revisiondata` code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42789 diff changeset	1876 # 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: 42789 diff changeset	1877 # The cache entry looks like (node, rev, rawtext)
40052 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	1878 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	1879 if self._revisioncache[0] == node:
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1880 return (rev, self._revisioncache[2], True)
40052 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	1881 cachedrev = self._revisioncache[1]
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1882
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1883 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1884 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1885
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1886 chain, stopped = self._deltachain(rev, stoprev=cachedrev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1887 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1888 basetext = self._revisioncache[2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1889
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1890 # 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: 42791 diff changeset	1891 # update self._revisioncache after validating the text
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1892 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1893
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1894 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1895 rawsize = self.index[rev][2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1896 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1897 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1898
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1899 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: 42791 diff changeset	1900 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1901 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1902 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1903
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1904 rawtext = mdiff.patches(basetext, bins)
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1905 del basetext # let us have a chance to free memory early
42792 e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42791 diff changeset	1906 return (rev, rawtext, False)
13239 12ed25f39d0b revlog: break hash checking into subfunction Matt Mackall <mpm@selenic.com> parents: 13031 diff changeset	1907
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1908 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1909 """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: 46704 diff changeset	1910 index_entry = self.index[rev]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1911 sidedata_offset = index_entry[8]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1912 sidedata_size = index_entry[9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1913
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1914 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	1915 sidedata_offset += self.index.entry_size * (1 + rev)
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1916 if sidedata_size == 0:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1917 return {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1918
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1919 if self._docket.sidedata_end < sidedata_offset + sidedata_size:
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1920 filename = self._sidedatafile
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1921 end = self._docket.sidedata_end
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1922 offset = sidedata_offset
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1923 length = sidedata_size
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1924 m = FILE_TOO_SHORT_MSG % (filename, length, offset, end)
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1925 raise error.RevlogError(m)
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1926
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1927 comp_segment = self._segmentfile_sidedata.read_chunk(
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1928 sidedata_offset, sidedata_size
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	1929 )
47387 75e1104f23a2 revlog: use dedicated code for reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47386 diff changeset	1930
47257 87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1931 comp = self.index[rev][11]
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1932 if comp == COMP_MODE_PLAIN:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1933 segment = comp_segment
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1934 elif comp == COMP_MODE_DEFAULT:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1935 segment = self._decompressor(comp_segment)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1936 elif comp == COMP_MODE_INLINE:
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1937 segment = self.decompress(comp_segment)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1938 else:
47414 5fbac82a8780 revlog: byteify a few error strings Matt Harbison <matt_harbison@yahoo.com> parents: 47413 diff changeset	1939 msg = b'unknown compression mode %d'
47257 87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1940 msg %= comp
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1941 raise error.RevlogError(msg)
87d057137f82 revlog: apply compression mode while reading sidedata Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47256 diff changeset	1942
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1943 sidedata = sidedatautil.deserialize_sidedata(segment)
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1944 return sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	1945
42786 ef177c04ac7f revlog: drop silly `raw` parameter to `rawdata` function Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42768 diff changeset	1946 def rawdata(self, nodeorrev, _df=None):
42719 415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42718 diff changeset	1947 """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: 42718 diff changeset	1948
415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42718 diff changeset	1949 _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: 42718 diff changeset	1950 """
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	1951 return self._revisiondata(nodeorrev, _df, raw=True)
42719 415e4136d326 rawdata: introduce a `rawdata` method on revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42718 diff changeset	1952
22785 abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1953 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	1954 """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	1955
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1956 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	1957 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class Augie Fackler <raf@durin42.com> parents: 22784 diff changeset	1958 """
39877 f8eb71f9e3bd storageutil: new module for storage primitives (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39872 diff changeset	1959 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	1960
30584 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30543 diff changeset	1961 def checkhash(self, text, node, p1=None, p2=None, rev=None):
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30543 diff changeset	1962 """Check node hash integrity.
19624 55749cb14d24 revlog: extract 'checkhash' method Wojciech Lopata <lopek@fb.com> parents: 19471 diff changeset	1963
30584 be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30543 diff changeset	1964 Available as a function so that subclasses can extend hash mismatch
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30543 diff changeset	1965 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions Remi Chaintron <remi@fb.com> parents: 30543 diff changeset	1966 """
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1967 try:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1968 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	1969 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1970 if node != self.hash(text, p1, p2):
40054 801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40052 diff changeset	1971 # 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: 40052 diff changeset	1972 # 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: 40052 diff changeset	1973 # 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: 40052 diff changeset	1974 # 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: 40052 diff changeset	1975 # 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: 40052 diff changeset	1976 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40052 diff changeset	1977 if self._revisioncache and self._revisioncache[0] == node:
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40052 diff changeset	1978 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure Gregory Szorc <gregory.szorc@gmail.com> parents: 40052 diff changeset	1979
37443 65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1980 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1981 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	1982 revornode = templatefilters.short(hex(node))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1983 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	1984 _(b"integrity check failed on %s:%s")
47160 0a66eef0ed97 revlog: use revlog.display_id in integrity error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47159 diff changeset	1985 % (self.display_id, pycompat.bytestr(revornode))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	1986 )
39773 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39769 diff changeset	1987 except error.RevlogError:
39879 d269ddbf54f0 storageutil: move _censoredtext() from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 39878 diff changeset	1988 if self._censorable and storageutil.iscensoredtext(text):
47161 f574734eb2b7 revlog: use revlog.display_id in censor related errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47160 diff changeset	1989 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	1990 raise
0 9117c6561b0b Add back links from file revisions to changeset revisions mpm@selenic.com parents: diff changeset	1991
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	1992 def _enforceinlinesize(self, tr):
26376 344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1993 """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	1994
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1995 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	1996 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	1997 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize() Gregory Szorc <gregory.szorc@gmail.com> parents: 26243 diff changeset	1998 """
38844 119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index Martin von Zweigbergk <martinvonz@google.com> parents: 38841 diff changeset	1999 tiprev = len(self) - 1
47167 88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47166 diff changeset	2000 total_size = self.start(tiprev) + self.length(tiprev)
88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47166 diff changeset	2001 if not self._inline or total_size < _maxinline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2002 return
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2003
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2004 troffset = tr.findoffset(self._indexfile)
45870 a6f08085edfe transaction: rename find to findoffset and drop backup file support Joerg Sonnenberger <joerg@bec.de> parents: 45869 diff changeset	2005 if troffset is None:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2006 raise error.RevlogError(
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2007 _(b"%s not found in the transaction") % self._indexfile
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2008 )
48571 ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2009 trindex = None
47149 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	2010 tr.add(self._datafile, 0)
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2011
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2012 existing_handles = False
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2013 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: 47213 diff changeset	2014 existing_handles = True
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2015 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	2016 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files Matt Mackall <mpm@selenic.com> parents: 8316 diff changeset	2017 fp.close()
40627 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40626 diff changeset	2018 # 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: 40626 diff changeset	2019 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40626 diff changeset	2020 self._writinghandles = None
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2021 self._segmentfile.writing_handle = None
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2022 # No need to deal with sidedata writing handle as it is only
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2023 # relevant with revlog-v2 which is never inline, not reaching
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2024 # this code
8315 c8493310ad9b revlog: use index to find index size Matt Mackall <mpm@selenic.com> parents: 8314 diff changeset	2025
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2026 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: 47213 diff changeset	2027 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: 47213 diff changeset	2028 try:
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	2029 with self._indexfp() as read_ifh:
47213 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2030 for r in self:
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2031 new_dfh.write(self._getsegmentforrevs(r, r, df=read_ifh)[1])
48571 ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2032 if (
ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2033 trindex is None
ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2034 and troffset
ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2035 <= self.start(r) + r * self.index.entry_size
ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2036 ):
47213 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2037 trindex = r
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2038 new_dfh.flush()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2039
48571 ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2040 if trindex is None:
ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2041 trindex = 0
ccd9cb73125c revlog: fix a bug where transaction can be aborted partially Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48283 diff changeset	2042
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	2043 with self.__index_new_fp() as fp:
47213 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2044 self._format_flags &= ~FLAG_INLINE_DATA
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2045 self._inline = False
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2046 for i in self:
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2047 e = self.index.entry_binary(i)
47235 6b1eae313b2f revlogv2: store version information in the docket only Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	2048 if i == 0 and self._docket is None:
47213 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2049 header = self._format_flags \| self._format_version
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2050 header = self.index.pack_header(header)
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2051 e = header + e
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2052 fp.write(e)
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2053 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2054 self._docket.index_end = fp.tell()
47285 46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47284 diff changeset	2055
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47284 diff changeset	2056 # 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: 47284 diff changeset	2057 # 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: 47284 diff changeset	2058 # 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: 47284 diff changeset	2059 # 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: 47284 diff changeset	2060 tr.replace(self._datafile, self.start(trindex))
46b828b85eb7 revlog: update data file record before index rename Joerg Sonnenberger <joerg@bec.de> parents: 47284 diff changeset	2061
47213 100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2062 # 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: 47212 diff changeset	2063 # manager
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2064
100f061d88f6 revlog: preindent some code in _enforceinlinesize Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47212 diff changeset	2065 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: 47212 diff changeset	2066 nodemaputil.setup_persistent_nodemap(tr, self)
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2067 self._segmentfile = randomaccessfile.randomaccessfile(
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2068 self.opener,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2069 self._datafile,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2070 self._chunkcachesize,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2071 )
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2072
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2073 if existing_handles:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2074 # switched from inline to conventional reopen the index
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	2075 ifh = self.__index_write_fp()
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2076 self._writinghandles = (ifh, new_dfh, None)
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2077 self._segmentfile.writing_handle = new_dfh
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2078 new_dfh = None
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2079 # No need to deal with sidedata writing handle as it is only
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2080 # relevant with revlog-v2 which is never inline, not reaching
cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2081 # this code
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2082 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2083 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: 47213 diff changeset	2084 new_dfh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2085
39886 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39881 diff changeset	2086 def _nodeduplicatecallback(self, transaction, node):
45942 89a2afe31e82 formating: upgrade to black 20.8b1 Augie Fackler <raf@durin42.com> parents: 45870 diff changeset	2087 """called when trying to add a node already stored."""
39886 debc4ee597e7 revlog: add a callback "tracking" duplicate node addition Boris Feld <boris.feld@octobus.net> parents: 39881 diff changeset	2088
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2089 @contextlib.contextmanager
47463 5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2090 def reading(self):
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2091 """Context manager that keeps data and sidedata files open for reading"""
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2092 with self._segmentfile.reading():
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2093 with self._segmentfile_sidedata.reading():
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2094 yield
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2095
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing Simon Sapin <simon.sapin@octobus.net> parents: 47457 diff changeset	2096 @contextlib.contextmanager
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2097 def _writing(self, transaction):
47240 4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	2098 if self._trypending:
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47239 diff changeset	2099 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: 47239 diff changeset	2100 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: 47239 diff changeset	2101 raise error.ProgrammingError(msg)
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2102 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: 47213 diff changeset	2103 yield
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2104 else:
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2105 ifh = dfh = sdfh = None
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2106 try:
47327 1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2107 r = len(self)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2108 # opening the data file.
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2109 dsize = 0
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2110 if r:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2111 dsize = self.end(r - 1)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2112 dfh = None
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2113 if not self._inline:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2114 try:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2115 dfh = self._datafp(b"r+")
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2116 if self._docket is None:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2117 dfh.seek(0, os.SEEK_END)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2118 else:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2119 dfh.seek(self._docket.data_end, os.SEEK_SET)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2120 except IOError as inst:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2121 if inst.errno != errno.ENOENT:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2122 raise
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2123 dfh = self._datafp(b"w+")
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2124 transaction.add(self._datafile, dsize)
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2125 if self._sidedatafile is not None:
47791 60ccc86a12f3 pytype: add assertions to explain revlogv2 invariants to Pytype Rapha?l Gom?s <rgomes@octobus.net> parents: 47759 diff changeset	2126 # revlog-v2 does not inline, help Pytype
60ccc86a12f3 pytype: add assertions to explain revlogv2 invariants to Pytype Rapha?l Gom?s <rgomes@octobus.net> parents: 47759 diff changeset	2127 assert dfh is not None
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2128 try:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2129 sdfh = self.opener(self._sidedatafile, mode=b"r+")
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2130 dfh.seek(self._docket.sidedata_end, os.SEEK_SET)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2131 except IOError as inst:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2132 if inst.errno != errno.ENOENT:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2133 raise
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2134 sdfh = self.opener(self._sidedatafile, mode=b"w+")
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2135 transaction.add(
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2136 self._sidedatafile, self._docket.sidedata_end
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2137 )
47327 1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2138
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2139 # opening the index file.
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2140 isize = r * self.index.entry_size
47219 ffa8afc5f931 revlog: only use the `_indexfp` method for read operation Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47218 diff changeset	2141 ifh = self.__index_write_fp()
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2142 if self._inline:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2143 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: 47213 diff changeset	2144 else:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2145 transaction.add(self._indexfile, isize)
47327 1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2146 # exposing all file handle for writing.
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2147 self._writinghandles = (ifh, dfh, sdfh)
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2148 self._segmentfile.writing_handle = ifh if self._inline else dfh
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2149 self._segmentfile_sidedata.writing_handle = sdfh
47327 1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2150 yield
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2151 if self._docket is not None:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2152 self._write_docket(transaction)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2153 finally:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2154 self._writinghandles = None
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2155 self._segmentfile.writing_handle = None
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2156 self._segmentfile_sidedata.writing_handle = None
47328 27e9ed1217c5 revlog: close the index file handle after the data one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47327 diff changeset	2157 if dfh is not None:
27e9ed1217c5 revlog: close the index file handle after the data one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47327 diff changeset	2158 dfh.close()
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2159 if sdfh is not None:
47413 5e44936b82be revlog: fix a typo closing the wrong file Matt Harbison <matt_harbison@yahoo.com> parents: 47402 diff changeset	2160 sdfh.close()
47328 27e9ed1217c5 revlog: close the index file handle after the data one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47327 diff changeset	2161 # closing the index file last to avoid exposing referent to
27e9ed1217c5 revlog: close the index file handle after the data one Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47327 diff changeset	2162 # potential unflushed data content.
47327 1844a2e3401c revlog: simplify the try nesting in the `_writing` context Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	2163 if ifh is not None:
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2164 ifh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2165
47239 682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	2166 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: 47238 diff changeset	2167 """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: 47238 diff changeset	2168
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	2169 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: 47238 diff changeset	2170
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	2171 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: 47238 diff changeset	2172 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: 47238 diff changeset	2173 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: 47238 diff changeset	2174
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2175 def addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2176 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2177 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2178 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2179 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2180 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2181 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2182 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2183 node=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2184 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2185 deltacomputer=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2186 sidedata=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2187 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2188 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2189
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2190 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2191 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2192 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2193 p1, p2 - the parent nodeids of the revision
12012 bade7a9c5c07 revlog: fix docstring Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12011 diff changeset	2194 cachedelta - an optional precomputed delta
19625 6a411a06cb1f revlog: pass node as an argument of addrevision Wojciech Lopata <lopek@fb.com> parents: 19624 diff changeset	2195 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	2196 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	2197 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	2198 flags - the known flags to set on the revision
39330 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39329 diff changeset	2199 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	2200 multiple calls
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2201 """
19326 7014526d67a8 revlog: add exception when linkrev == nullrev Durham Goode <durham@fb.com> parents: 19200 diff changeset	2202 if link == nullrev:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2203 raise error.RevlogError(
47163 6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2204 _(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	2205 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	2206
42986 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42985 diff changeset	2207 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42985 diff changeset	2208 sidedata = {}
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	2209 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: 43025 diff changeset	2210 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2211 _(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	2212 )
42986 33532939c667 revlog: add a `sidedata` parameters to addrevision Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42985 diff changeset	2213
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2214 if flags:
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2215 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2216
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2217 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2218
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2219 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2220 # cachedelta.
31750 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31749 diff changeset	2221 if rawtext != text:
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2222 cachedelta = None
c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2223
31750 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31749 diff changeset	2224 if len(rawtext) > _maxentrysize:
39773 2cd93a8d4bde revlog: drop RevlogError alias (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39769 diff changeset	2225 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2226 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2227 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	2228 )
47162 dfe8074239de revlog: use revlog.display_id in "revision too big" errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47161 diff changeset	2229 % (self.display_id, len(rawtext))
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2230 )
25459 0bda5bfaf0b1 revlog: move size limit check to addrevision Matt Mackall <mpm@selenic.com> parents: 25410 diff changeset	2231
31750 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31749 diff changeset	2232 node = node or self.hash(rawtext, p1, p2)
46508 f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46507 diff changeset	2233 rev = self.index.get_rev(node)
f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46507 diff changeset	2234 if rev is not None:
f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46507 diff changeset	2235 return rev
12023 44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision() Benoit Boissinot <benoit.boissinot@ens-lyon.org> parents: 12012 diff changeset	2236
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2237 if validatehash:
31750 f319981c24c9 revlog: rename some "text"s to "rawtext" Jun Wu <quark@fb.com> parents: 31749 diff changeset	2238 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745 c1b7b2285522 revlog: flag processor Remi Chaintron <remi@fb.com> parents: 30744 diff changeset	2239
46508 f7b61ad3c64a revlog: change addrevision to return the new revision, not node Joerg Sonnenberger <joerg@bec.de> parents: 46507 diff changeset	2240 return self.addrawrevision(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2241 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2242 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2243 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2244 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2245 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2246 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2247 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2248 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2249 deltacomputer=deltacomputer,
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2250 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2251 )
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2252
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2253 def addrawrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2254 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2255 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2256 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2257 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2258 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2259 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2260 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2261 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2262 cachedelta=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2263 deltacomputer=None,
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2264 sidedata=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2265 ):
32244 3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32229 diff changeset	2266 """add a raw revision with known flags, node and parents
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32229 diff changeset	2267 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: 32229 diff changeset	2268 over wire, or read from an external bundle).
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision" Jun Wu <quark@fb.com> parents: 32229 diff changeset	2269 """
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2270 with self._writing(transaction):
46507 9ee4e988e2be revlog: change addrawrevision to return the revision Joerg Sonnenberger <joerg@bec.de> parents: 46506 diff changeset	2271 return self._addrevision(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2272 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2273 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2274 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2275 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2276 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2277 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2278 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2279 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2280 deltacomputer=deltacomputer,
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2281 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2282 )
3390 a74addddd092 make revlog.addgroup pass its file handles to addrevision Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 3360 diff changeset	2283
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2284 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2285 """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	2286 if not data:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2287 return b'', data
30795 78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2288
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2289 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2290
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2291 if compressed:
78ac56aebab6 revlog: use compression engine API for compression Gregory Szorc <gregory.szorc@gmail.com> parents: 30793 diff changeset	2292 # 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	2293 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2294
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2295 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2296 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2297 return b'u', data
17128 1028a1c9077a revlog: make compress a method Bryan O'Sullivan <bryano@fb.com> parents: 17009 diff changeset	2298
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2299 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2300 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2301
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2302 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	2303 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	2304 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2305 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2306 return data
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2307
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2308 # 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	2309 # 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	2310 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2311 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2312 # 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	2313 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2314 # 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	2315 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2316 # 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	2317 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2318 # 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	2319 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2320 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2321 # 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	2322 # 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	2323 # 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	2324 # 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	2325 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2326 #
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2327 # 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	2328 # compressed chunks. And this matters for changelog and manifest reads.
31356 ef6888172437 revlog: extract first byte of revlog with a slice so it's portable Augie Fackler <augie@google.com> parents: 30829 diff changeset	2329 t = data[0:1]
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2330
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2331 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	2332 try:
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2333 return _zlibdecompress(data)
30793 b6f455a6e4d6 revlog: move decompress() from module to revlog class (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 30792 diff changeset	2334 except zlib.error as e:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2335 raise error.RevlogError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2336 _(b'revlog decompress error: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2337 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2338 )
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2339 # '\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	2340 elif t == b'\0':
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2341 return data
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2342 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	2343 return util.buffer(data, 1)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2344
47254 eac3591abbf4 revlog: add a `_get_decompressor` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47253 diff changeset	2345 compressor = self._get_decompressor(t)
30817 2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2346
2b279126b8f5 revlog: use compression engine APIs for decompression Gregory Szorc <gregory.szorc@gmail.com> parents: 30795 diff changeset	2347 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	2348
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2349 def _addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2350 self,
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 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2353 transaction,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2354 link,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2355 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2356 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2357 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2358 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2359 alwayscache=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2360 deltacomputer=None,
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2361 sidedata=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2362 ):
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2363 """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	2364
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2365 see addrevision for argument descriptions.
31755 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2366
ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2367 note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2368
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2369 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	2370 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2371
14292 c97d8485b5fa revlog: add docstring to _addrevision Sune Foldager <cryo@cyanite.org> parents: 14270 diff changeset	2372 invariants:
31755 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2373 - 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	2374 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	2375 """
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2376 if node == self.nullid:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2377 raise error.RevlogError(
47163 6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2378 _(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	2379 )
47012 d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2380 if (
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2381 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2382 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class Joerg Sonnenberger <joerg@bec.de> parents: 46974 diff changeset	2383 ):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2384 raise error.RevlogError(
47163 6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47162 diff changeset	2385 _(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	2386 )
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2387 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: 47213 diff changeset	2388 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: 47213 diff changeset	2389 raise error.ProgrammingError(msg)
34028 bfb38c5cebf4 revlog: move check for wdir from changelog to revlog Martin von Zweigbergk <martinvonz@google.com> parents: 34026 diff changeset	2390
35635 0b52c0ecbc23 revlog: choose between ifh and dfh once for all Paul Morelle <paul.morelle@octobus.net> parents: 35634 diff changeset	2391 if self._inline:
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2392 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	2393 else:
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2394 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	2395
31755 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2396 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	2397
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2398 curr = len(self)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2399 prev = curr - 1
46710 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	2400
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	2401 offset = self._get_data_offset(prev)
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2402
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2403 if self._concurrencychecker:
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2404 ifh, dfh, sdfh = self._writinghandles
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2405 # XXX no checking for the sidedata file
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2406 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2407 # 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: 46509 diff changeset	2408 # the size of the entry metadata.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2409 self._concurrencychecker(
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2410 ifh, self._indexfile, offset + curr * self.index.entry_size
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2411 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2412 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2413 # 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: 46509 diff changeset	2414 self._concurrencychecker(
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2415 ifh, self._indexfile, curr * self.index.entry_size
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2416 )
47149 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	2417 self._concurrencychecker(dfh, self._datafile, offset)
46607 e9901d01d135 revlog: add a mechanism to verify expected file position before appending Kyle Lippincott <spectral@google.com> parents: 46509 diff changeset	2418
12889 5482c6b826f4 revlog: precalculate p1 and p2 revisions Matt Mackall <mpm@selenic.com> parents: 12888 diff changeset	2419 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	2420
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2421 # 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	2422 # become comparable to the uncompressed text
31755 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2423 if rawtext is None:
36748 369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta Jun Wu <quark@fb.com> parents: 36744 diff changeset	2424 # 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: 36744 diff changeset	2425 # 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: 36744 diff changeset	2426 # logic that might remove metadata size.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2427 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2428 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2429 )
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2430 else:
31755 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2431 textlen = len(rawtext)
26116 562cfc99e611 revlog: move textlen calculation to be above delta chooser Durham Goode <durham@fb.com> parents: 26115 diff changeset	2432
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2433 if deltacomputer is None:
39330 655b5b465953 revlog: split functionality related to deltas computation in a new module Boris Feld <boris.feld@octobus.net> parents: 39329 diff changeset	2434 deltacomputer = deltautil.deltacomputer(self)
35738 f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object Paul Morelle <paul.morelle@octobus.net> parents: 35737 diff changeset	2435
47399 34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2436 revinfo = revlogutils.revisioninfo(
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2437 node,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2438 p1,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2439 p2,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2440 btext,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2441 textlen,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2442 cachedelta,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2443 flags,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47396 diff changeset	2444 )
36744 33275ab5e837 revlog: do not use delta for lfs revisions Jun Wu <quark@fb.com> parents: 36743 diff changeset	2445
39332 6f4b8f607a31 revlogdeltas: move special cases around raw revisions in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39330 diff changeset	2446 deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
35634 b43578ec483a revlog: refactor out the selection of candidate revisions Paul Morelle <paul.morelle@octobus.net> parents: 35521 diff changeset	2447
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2448 compression_mode = COMP_MODE_INLINE
b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2449 if self._docket is not None:
47452 c6844912c327 revlog: factor the logic to determine the delta compression out Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47450 diff changeset	2450 default_comp = self._docket.default_compression_header
c6844912c327 revlog: factor the logic to determine the delta compression out Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47450 diff changeset	2451 r = deltautil.delta_compression(default_comp, deltainfo)
c6844912c327 revlog: factor the logic to determine the delta compression out Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47450 diff changeset	2452 compression_mode, deltainfo = r
47253 b876f0bf7366 revlog: introduce a plain compression mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47252 diff changeset	2453
47256 2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47255 diff changeset	2454 sidedata_compression_mode = COMP_MODE_INLINE
47136 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47134 diff changeset	2455 if sidedata and self.hassidedata:
47256 2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47255 diff changeset	2456 sidedata_compression_mode = COMP_MODE_PLAIN
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2457 serialized_sidedata = sidedatautil.serialize_sidedata(sidedata)
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2458 sidedata_offset = self._docket.sidedata_end
47258 c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2459 h, comp_sidedata = self.compress(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2460 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2461 h != b'u'
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2462 and comp_sidedata[0:1] != b'\0'
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2463 and len(comp_sidedata) < len(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2464 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2465 assert not h
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2466 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2467 comp_sidedata[0:1]
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2468 == self._docket.default_compression_header
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2469 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2470 sidedata_compression_mode = COMP_MODE_DEFAULT
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2471 serialized_sidedata = comp_sidedata
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2472 else:
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2473 sidedata_compression_mode = COMP_MODE_INLINE
c4dbb7636a12 revlog: compress sidedata in `_writeentry` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47257 diff changeset	2474 serialized_sidedata = comp_sidedata
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2475 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2476 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2477 # 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: 46704 diff changeset	2478 # 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: 46704 diff changeset	2479 # than ones we manually add.
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2480 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2481
47396 8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2482 e = revlogutils.entry(
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2483 flags=flags,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2484 data_offset=offset,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2485 data_compressed_length=deltainfo.deltalen,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2486 data_uncompressed_length=textlen,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2487 data_compression_mode=compression_mode,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2488 data_delta_base=deltainfo.base,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2489 link_rev=link,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2490 parent_rev_1=p1r,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2491 parent_rev_2=p2r,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2492 node_id=node,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2493 sidedata_offset=sidedata_offset,
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2494 sidedata_compressed_length=len(serialized_sidedata),
8230f0204eb8 revlog: use the new `entry` function in revlog.py Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47394 diff changeset	2495 sidedata_compression_mode=sidedata_compression_mode,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2496 )
46704 913485776542 revlog: introduce v2 format Rapha?l Gom?s <rgomes@octobus.net> parents: 46607 diff changeset	2497
38850 6104b203bec8 index: replace insert(-1, e) method by append(e) method Martin von Zweigbergk <martinvonz@google.com> parents: 38849 diff changeset	2498 self.index.append(e)
47037 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47036 diff changeset	2499 entry = self.index.entry_binary(curr)
47235 6b1eae313b2f revlogv2: store version information in the docket only Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	2500 if curr == 0 and self._docket is None:
47139 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47136 diff changeset	2501 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: 47136 diff changeset	2502 header = self.index.pack_header(header)
47037 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47036 diff changeset	2503 entry = header + entry
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2504 self._writeentry(
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2505 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2506 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2507 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2508 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2509 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2510 serialized_sidedata,
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2511 sidedata_offset,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2512 )
39333 5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39332 diff changeset	2513
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39332 diff changeset	2514 rawtext = btext[0]
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2515
31755 ec48d57de110 revlog: make _addrevision only accept rawtext Jun Wu <quark@fb.com> parents: 31754 diff changeset	2516 if alwayscache and rawtext is None:
39192 dbc5ead9f40f revlog: fix typo in 'buildtext' name Boris Feld <boris.feld@octobus.net> parents: 39191 diff changeset	2517 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	2518
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2519 if type(rawtext) == bytes: # only accept immutable objects
40052 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	2520 self._revisioncache = (node, curr, rawtext)
39333 5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo Boris Feld <boris.feld@octobus.net> parents: 39332 diff changeset	2521 self._chainbasecache[curr] = deltainfo.chainbase
46506 07984507d553 revlog: change _addrevision to return the new revision Joerg Sonnenberger <joerg@bec.de> parents: 46469 diff changeset	2522 return curr
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2523
46710 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	2524 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: 46709 diff changeset	2525 """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: 46709 diff changeset	2526 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: 46709 diff changeset	2527 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: 46709 diff changeset	2528 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: 46709 diff changeset	2529 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: 46709 diff changeset	2530 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: 46709 diff changeset	2531
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	2532 TODO cache this in a docket file before getting out of experimental."""
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2533 if self._docket is None:
46710 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	2534 return self.end(prev)
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2535 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2536 return self._docket.data_end
46710 4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data Rapha?l Gom?s <rgomes@octobus.net> parents: 46709 diff changeset	2537
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2538 def _writeentry(
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2539 self, transaction, entry, data, link, offset, sidedata, sidedata_offset
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2540 ):
27430 e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2541 # 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	2542 # 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	2543 # 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	2544 # 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	2545 # 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	2546 # 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	2547 # 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	2548 #
e240e914d226 revlog: seek to end of file before writing (issue4943) Gregory Szorc <gregory.szorc@gmail.com> parents: 26705 diff changeset	2549 # We work around this issue by inserting a seek() before writing.
40627 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40626 diff changeset	2550 # 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: 40626 diff changeset	2551 # 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: 40626 diff changeset	2552 # to be careful before changing this.
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2553 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: 47213 diff changeset	2554 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: 47213 diff changeset	2555 raise error.ProgrammingError(msg)
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2556 ifh, dfh, sdfh = self._writinghandles
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2557 if self._docket is None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2558 ifh.seek(0, os.SEEK_END)
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2559 else:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2560 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	2561 if dfh:
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2562 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: 47241 diff changeset	2563 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: 47241 diff changeset	2564 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2565 dfh.seek(self._docket.data_end, os.SEEK_SET)
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2566 if sdfh:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2567 sdfh.seek(self._docket.sidedata_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	2568
20217 33394f2e331e revlog: move file writing to a separate function Durham Goode <durham@fb.com> parents: 20180 diff changeset	2569 curr = len(self) - 1
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2570 if not self._inline:
47149 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	2571 transaction.add(self._datafile, offset)
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2572 if self._sidedatafile:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2573 transaction.add(self._sidedatafile, sidedata_offset)
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2574 transaction.add(self._indexfile, curr * len(entry))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2575 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	2576 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	2577 dfh.write(data[1])
46709 3d740058b467 sidedata: move to new sidedata storage in revlogv2 Rapha?l Gom?s <rgomes@octobus.net> parents: 46704 diff changeset	2578 if sidedata:
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2579 sdfh.write(sidedata)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2580 ifh.write(entry)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2581 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	2582 offset += curr * self.index.entry_size
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2583 transaction.add(self._indexfile, offset)
4981 e7131935fbb3 revlog: simplify addrevision Matt Mackall <mpm@selenic.com> parents: 4980 diff changeset	2584 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	2585 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	2586 ifh.write(data[1])
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2587 assert not sidedata
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2588 self._enforceinlinesize(transaction)
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2589 if self._docket is not None:
47791 60ccc86a12f3 pytype: add assertions to explain revlogv2 invariants to Pytype Rapha?l Gom?s <rgomes@octobus.net> parents: 47759 diff changeset	2590 # revlog-v2 always has 3 writing handles, help Pytype
48283 ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2591 wh1 = self._writinghandles[0]
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2592 wh2 = self._writinghandles[1]
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2593 wh3 = self._writinghandles[2]
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2594 assert wh1 is not None
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2595 assert wh2 is not None
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2596 assert wh3 is not None
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2597 self._docket.index_end = wh1.tell()
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2598 self._docket.data_end = wh2.tell()
ebac18733142 typing: add a few assertions to revlog.py to help pytype Matt Harbison <matt_harbison@yahoo.com> parents: 47791 diff changeset	2599 self._docket.sidedata_end = wh3.tell()
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2600
44308 5962fd0d1045 nodemap: write nodemap data on disk Pierre-Yves David <pierre-yves.david@octobus.net> parents: 44073 diff changeset	2601 nodemaputil.setup_persistent_nodemap(transaction, self)
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2602
45788 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2603 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2604 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2605 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2606 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2607 transaction,
46373 711ba0f1057e revlog: decouple caching from addrevision callback for addgroup Joerg Sonnenberger <joerg@bec.de> parents: 46310 diff changeset	2608 alwayscache=False,
45788 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2609 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2610 duplicaterevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2611 ):
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2612 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2613 add a delta group
46 93e868fa0db8 Add changegroup support mpm@selenic.com parents: 45 diff changeset	2614
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2615 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	2616 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	2617 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	2618
00e3f909907f revlog: add support for a callback whenever revisions are added Gregory Szorc <gregory.szorc@gmail.com> parents: 25660 diff changeset	2619 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	2620 this revlog and the node that was added.
1083 30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2621 """
30974cf73435 Add some docstrings to revlog.py mpm@selenic.com parents: 1074 diff changeset	2622
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2623 if self._adding_group:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2624 raise error.ProgrammingError(b'cannot nest addgroup() calls')
40627 e9293c5f8bb9 revlog: automatically read from opened file handles Gregory Szorc <gregory.szorc@gmail.com> parents: 40626 diff changeset	2625
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2626 self._adding_group = True
45788 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2627 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	2628 try:
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2629 with self._writing(transaction):
47212 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2630 deltacomputer = deltautil.deltacomputer(self)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2631 # loop through our set of deltas
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2632 for data in deltas:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2633 (
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2634 node,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2635 p1,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2636 p2,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2637 linknode,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2638 deltabase,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2639 delta,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2640 flags,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2641 sidedata,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2642 ) = data
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2643 link = linkmapper(linknode)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2644 flags = flags or REVIDX_DEFAULT_FLAGS
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2645
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2646 rev = self.index.get_rev(node)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2647 if rev is not None:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2648 # 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: 47176 diff changeset	2649 self._nodeduplicatecallback(transaction, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2650 if duplicaterevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2651 duplicaterevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2652 empty = False
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2653 continue
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2654
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2655 for p in (p1, p2):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2656 if not self.index.has_node(p):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2657 raise error.LookupError(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2658 p, self.radix, _(b'unknown parent')
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2659 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2660
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2661 if not self.index.has_node(deltabase):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2662 raise error.LookupError(
47212 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2663 deltabase, self.display_id, _(b'unknown delta base')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2664 )
24120 a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes Mike Edgar <adgar@google.com> parents: 24118 diff changeset	2665
47212 0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2666 baserev = self.rev(deltabase)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2667
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2668 if baserev != nullrev and self.iscensored(baserev):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2669 # 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: 47176 diff changeset	2670 # single patch operation
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2671 hlen = struct.calcsize(b">lll")
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2672 oldlen = self.rawsize(baserev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2673 newlen = len(delta) - hlen
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2674 if delta[:hlen] != mdiff.replacediffheader(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2675 oldlen, newlen
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2676 ):
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2677 raise error.CensoredBaseError(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2678 self.display_id, self.node(baserev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2679 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2680
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2681 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: 47176 diff changeset	2682 flags \|= REVIDX_ISCENSORED
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2683
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2684 # 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: 47176 diff changeset	2685 # 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: 47176 diff changeset	2686 # 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: 47176 diff changeset	2687 # 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: 47176 diff changeset	2688 # 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: 47176 diff changeset	2689 # 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: 47176 diff changeset	2690 # by the flagprocessor.
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2691 rev = self._addrevision(
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2692 node,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2693 None,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2694 transaction,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2695 link,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2696 p1,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2697 p2,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2698 flags,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2699 (baserev, delta),
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2700 alwayscache=alwayscache,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2701 deltacomputer=deltacomputer,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2702 sidedata=sidedata,
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2703 )
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2704
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2705 if addrevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2706 addrevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47176 diff changeset	2707 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	2708 finally:
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	2709 self._adding_group = False
45788 a5206e71c536 revlog: extend addgroup() with callback for duplicates Joerg Sonnenberger <joerg@bec.de> parents: 45779 diff changeset	2710 return not empty
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2711
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2712 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2713 """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	2714 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2715 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2716
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2717 return self.flags(rev) & REVIDX_ISCENSORED
24118 76f6ae06ddf5 revlog: add "iscensored()" to revlog public API Mike Edgar <adgar@google.com> parents: 24030 diff changeset	2718
47166 c9ae2e7fe154 revlog: drop `flush` parameter from `_peek_iscensored` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47165 diff changeset	2719 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	2720 """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	2721 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2722 return False
65250a66b55c revlog: move censor logic into main revlog class Gregory Szorc <gregory.szorc@gmail.com> parents: 37442 diff changeset	2723
40325 b0fbd1792e2d storageutil: extract most of peek_censored from revlog Gregory Szorc <gregory.szorc@gmail.com> parents: 40298 diff changeset	2724 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	2725
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2726 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2727 """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	2728
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2729 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	2730 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	2731 """
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2732 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2733 minlink,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2734 len(self) - 1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2735 self.headrevs(),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2736 self.linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2737 self.parentrevs,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2738 )
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2739
8073 e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption Henrik Stuart <henrik.stuart@edlund.dk> parents: 8017 diff changeset	2740 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	2741 """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	2742
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2743 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	2744 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	2745
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2746 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	2747 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	2748 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2749
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring Alexis S. L. Carvalho <alexis@cecm.usp.br> parents: 5909 diff changeset	2750 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	2751 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	2752 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	2753 """
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2754 if len(self) == 0:
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2755 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2756
20074 5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2757 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation Durham Goode <durham@fb.com> parents: 20073 diff changeset	2758 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	2759 return
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2760
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2761 # first truncate the files on disk
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2762 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	2763 if not self._inline:
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2764 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	2765 end = rev * self.index.entry_size
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2766 else:
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2767 end = data_end + (rev * self.index.entry_size)
2072 74d3f5336b66 Implement revlogng. mason@suse.com parents: 2002 diff changeset	2768
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2769 if self._sidedatafile:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2770 sidedata_end = self.sidedata_cut_off(rev)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2771 transaction.add(self._sidedatafile, sidedata_end)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2772
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2773 transaction.add(self._indexfile, end)
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2774 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2775 # 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: 47235 diff changeset	2776 # 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: 47235 diff changeset	2777 self._docket.index_end = end
47242 4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	2778 self._docket.data_end = data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	2779 self._docket.sidedata_end = sidedata_end
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47235 diff changeset	2780 self._docket.write(transaction, stripping=True)
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2781
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2782 # then reset internal state in memory to forget those revisions
40052 55db747a21ad revlog: rename _cache to _revisioncache Gregory Szorc <gregory.szorc@gmail.com> parents: 40010 diff changeset	2783 self._revisioncache = None
45779 8719a5b68419 revlog: use LRU for the chain cache Joerg Sonnenberger <joerg@bec.de> parents: 45735 diff changeset	2784 self._chaininfocache = util.lrucachedict(500)
47425 e0a314bcbc9d revlog: Extract low-level random-access file read caching logic Simon Sapin <simon.sapin@octobus.net> parents: 47414 diff changeset	2785 self._segmentfile.clear_cache()
47426 cac0e0621ceb revlog: use file read caching for sidedata Simon Sapin <simon.sapin@octobus.net> parents: 47425 diff changeset	2786 self._segmentfile_sidedata.clear_cache()
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2787
4979 06abdaf78788 revlog: add a magic null revision to our index Matt Mackall <mpm@selenic.com> parents: 4978 diff changeset	2788 del self.index[rev:-1]
1535 7ae0ce7a3dc4 Add revlog.strip to truncate away revisions. mason@suse.com parents: 1533 diff changeset	2789
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2790 def checksize(self):
41872 3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41857 diff changeset	2791 """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: 41857 diff changeset	2792
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41857 diff changeset	2793 return a (dd, di) tuple.
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41857 diff changeset	2794 - 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: 41857 diff changeset	2795 - 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: 41857 diff changeset	2796
3f3f962457b2 revlog: add some documentation to the `checksize` method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41857 diff changeset	2797 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: 41857 diff changeset	2798 """
1493 1a216cb4ee64 verify: add check for mismatch of index and data length Matt Mackall <mpm@selenic.com> parents: 1469 diff changeset	2799 expected = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2800 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2801 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	2802
1494 249ca10d37f4 Handle empty logs in repo.checksize Matt Mackall <mpm@selenic.com> parents: 1493 diff changeset	2803 try:
35972 82afb1a5ed94 revlog: use context manager for data file lifetime in checksize Boris Feld <boris.feld@octobus.net> parents: 35971 diff changeset	2804 with self._datafp() as f:
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42462 diff changeset	2805 f.seek(0, io.SEEK_END)
35972 82afb1a5ed94 revlog: use context manager for data file lifetime in checksize Boris Feld <boris.feld@octobus.net> parents: 35971 diff changeset	2806 actual = f.tell()
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2807 dd = actual - expected
25660 328739ea70c3 global: mass rewrite to use modern exception syntax Gregory Szorc <gregory.szorc@gmail.com> parents: 25459 diff changeset	2808 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2809 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2810 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2811 dd = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2812
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2813 try:
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2814 f = self.opener(self._indexfile)
42567 4eaf7197a740 cleanup: use named constants for second arg to .seek() Augie Fackler <augie@google.com> parents: 42462 diff changeset	2815 f.seek(0, io.SEEK_END)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2816 actual = f.tell()
13400 14f3795a5ed7 explicitly close files Dan Villiom Podlaski Christiansen <danchr@gmail.com> parents: 13284 diff changeset	2817 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	2818 s = self.index.entry_size
9029 0001e49f1c11 compat: use // for integer division Alejandro Santos <alejolp@alejolp.com> parents: 8658 diff changeset	2819 i = max(0, actual // s)
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2820 di = actual - (i * s)
4982 9672e3c42b0c revlog: change _inline from a function to a variable Matt Mackall <mpm@selenic.com> parents: 4981 diff changeset	2821 if self._inline:
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2822 databytes = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2823 for r in self:
5312 fb070713ff36 revlog: more robust for damaged indexes Matt Mackall <mpm@selenic.com> parents: 5007 diff changeset	2824 databytes += max(0, self.length(r))
2073 1e6745f78989 Implement data inlined with the index file mason@suse.com parents: 2072 diff changeset	2825 dd = 0
6750 fb42030d79d6 add __len__ and __iter__ methods to repo and revlog Matt Mackall <mpm@selenic.com> parents: 6703 diff changeset	2826 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	2827 except IOError as inst:
1667 daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2828 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2829 raise
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2830 di = 0
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2831
daff3ef0de8d verify: notice extra data in indices Matt Mackall <mpm@selenic.com> parents: 1660 diff changeset	2832 return (dd, di)
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2833
22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2834 def files(self):
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	2835 res = [self._indexfile]
47450 9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2836 if self._docket_file is None:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2837 if not self._inline:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2838 res.append(self._datafile)
9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2839 else:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2840 res.append(self._docket_file)
47455 f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47452 diff changeset	2841 res.extend(self._docket.old_index_filepaths(include_empty=False))
47450 9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2842 if self._docket.data_end:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2843 res.append(self._datafile)
47455 f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47452 diff changeset	2844 res.extend(self._docket.old_data_filepaths(include_empty=False))
47450 9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2845 if self._docket.sidedata_end:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2 Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47426 diff changeset	2846 res.append(self._sidedatafile)
47455 f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47452 diff changeset	2847 res.extend(self._docket.old_sidedata_filepaths(include_empty=False))
6891 22cb82433842 revlog: add files method Adrian Buehlmann <adrian@cadifra.com> parents: 6872 diff changeset	2848 return res
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2849
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2850 def emitrevisions(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2851 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2852 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2853 nodesorder=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2854 revisiondata=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2855 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2856 deltamode=repository.CG_DELTAMODE_STD,
46715 45f0d5297698 changegroupv4: add sidedata helpers Rapha?l Gom?s <rgomes@octobus.net> parents: 46712 diff changeset	2857 sidedata_helpers=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2858 ):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2859 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	2860 raise error.ProgrammingError(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2861 b'unhandled value for nodesorder: %s' % nodesorder
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2862 )
39862 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	2863
5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	2864 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	2865 nodesorder = b'storage'
39862 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	2866
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2867 if (
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2868 not self._storedeltachains
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2869 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2870 ):
40427 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2871 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2872
40008 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2873 return storageutil.emitrevisions(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2874 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2875 nodes,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2876 nodesorder,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2877 revlogrevisiondelta,
40008 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2878 deltaparentfn=self.deltaparent,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2879 candeltafn=self.candelta,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2880 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2881 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2882 flagsfn=self.flags,
40427 59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument Boris Feld <boris.feld@octobus.net> parents: 40325 diff changeset	2883 deltamode=deltamode,
40008 842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function Gregory Szorc <gregory.szorc@gmail.com> parents: 40004 diff changeset	2884 revisiondata=revisiondata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2885 assumehaveparentrevisions=assumehaveparentrevisions,
46715 45f0d5297698 changegroupv4: add sidedata helpers Rapha?l Gom?s <rgomes@octobus.net> parents: 46712 diff changeset	2886 sidedata_helpers=sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2887 )
39862 5a9ab91e0a45 revlog: new API to emit revision data Gregory Szorc <gregory.szorc@gmail.com> parents: 39845 diff changeset	2888
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2889 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2890 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2891 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2892
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2893 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2894
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2895 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	2896
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2897 def clone(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2898 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2899 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2900 destrevlog,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2901 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2902 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2903 forcedeltabothparents=None,
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	2904 sidedata_helpers=None,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2905 ):
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2906 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2907
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2908 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	2909 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	2910 differences.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2911
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2912 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	2913 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	2914 following values:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2915
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2916 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2917 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	2918 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	2919 fastest mode of operation.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2920 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2921 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	2922 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	2923 and optimization.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2924 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2925 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	2926 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	2927 algorithm changes).
42997 6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42996 diff changeset	2928 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42996 diff changeset	2929 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: 42996 diff changeset	2930 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: 42996 diff changeset	2931 eg: large file detection and handling.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2932
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2933 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	2934 significantly affect run time.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2935
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2936 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2937 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	2938 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	2939 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	2940 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	2941 revision.
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2942
40837 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40738 diff changeset	2943 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40738 diff changeset	2944 argument controls whether to force compute deltas against both parents
64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40738 diff changeset	2945 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	2946
47086 8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module Rapha?l Gom?s <rgomes@octobus.net> parents: 47085 diff changeset	2947 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: 47085 diff changeset	2948 `sidedata_helpers`.
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2949 """
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2950 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	2951 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2952 _(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	2953 )
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2954
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2955 if len(destrevlog):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2956 raise ValueError(_(b'destination revlog is not empty'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2957
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2958 if getattr(self, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2959 raise ValueError(_(b'source revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2960 if getattr(destrevlog, 'filteredrevs', None):
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	2961 raise ValueError(_(b'destination revlog has filtered revisions'))
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2962
41857 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2963 # 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: 41819 diff changeset	2964 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2965 oldlazydelta = destrevlog._lazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2966 oldlazydeltabase = destrevlog._lazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	2967 oldamd = destrevlog._deltabothparents
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2968
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2969 try:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2970 if deltareuse == self.DELTAREUSEALWAYS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2971 destrevlog._lazydeltabase = True
41857 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2972 destrevlog._lazydelta = True
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2973 elif deltareuse == self.DELTAREUSESAMEREVS:
1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2974 destrevlog._lazydeltabase = False
41857 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2975 destrevlog._lazydelta = True
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2976 elif deltareuse == self.DELTAREUSENEVER:
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2977 destrevlog._lazydeltabase = False
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2978 destrevlog._lazydelta = False
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2979
40837 64051af15596 upgrade: clarify "aggressivemergedelta" handling Boris Feld <boris.feld@octobus.net> parents: 40738 diff changeset	2980 destrevlog._deltabothparents = forcedeltabothparents or oldamd
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2981
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2982 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	2983 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	2984 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	2985 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	2986 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	2987 forcedeltabothparents,
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	2988 sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2989 )
42996 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	2990
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2991 finally:
41857 afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 41819 diff changeset	2992 destrevlog._lazydelta = oldlazydelta
30778 1c7368d1a25f revlog: add clone method Gregory Szorc <gregory.szorc@gmail.com> parents: 30746 diff changeset	2993 destrevlog._lazydeltabase = oldlazydeltabase
38736 93777d16a25d aggressivemergedeltas: rename variable internally Boris Feld <boris.feld@octobus.net> parents: 38718 diff changeset	2994 destrevlog._deltabothparents = oldamd
39778 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39775 diff changeset	2995
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	2996 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	2997 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	2998 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	2999 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	3000 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	3001 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	3002 forcedeltabothparents,
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3003 sidedata_helpers,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3004 ):
42996 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3005 """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: 42995 diff changeset	3006 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: 42995 diff changeset	3007 index = self.index
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3008 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: 42995 diff changeset	3009 entry = index[rev]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3010
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3011 # 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: 42995 diff changeset	3012 # account. Use raw entry from index.
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3013 flags = entry[0] & 0xFFFF
42996 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3014 linkrev = entry[4]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3015 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: 42995 diff changeset	3016 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: 42995 diff changeset	3017 node = entry[7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3018
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3019 # (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: 42995 diff changeset	3020 # 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: 42995 diff changeset	3021 cachedelta = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3022 rawtext = None
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3023 if deltareuse == self.DELTAREUSEFULLADD:
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	3024 text = self._revisiondata(rev)
47384 fec306b05328 revlog: use `self.sidedata` directly in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47382 diff changeset	3025 sidedata = self.sidedata(rev)
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3026
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3027 if sidedata_helpers is not None:
47085 3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module Rapha?l Gom?s <rgomes@octobus.net> parents: 47084 diff changeset	3028 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3029 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3030 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3031 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	3032
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3033 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3034 text,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3035 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3036 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3037 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3038 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3039 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3040 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3041 flags=flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3042 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	3043 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3044 )
42996 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3045 else:
42998 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3046 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3047 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3048 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3049 cachedelta = (dp, bytes(self._chunk(rev)))
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3050
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3051 sidedata = None
42998 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3052 if not cachedelta:
47385 9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47384 diff changeset	3053 rawtext = self._revisiondata(rev)
47384 fec306b05328 revlog: use `self.sidedata` directly in `revlog.clone` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47382 diff changeset	3054 sidedata = self.sidedata(rev)
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3055 if sidedata is None:
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3056 sidedata = self.sidedata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3057
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3058 if sidedata_helpers is not None:
47085 3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module Rapha?l Gom?s <rgomes@octobus.net> parents: 47084 diff changeset	3059 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3060 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3061 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3062 flags = flags \| new_flags[0] & ~new_flags[1]
42998 8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42997 diff changeset	3063
47214 906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47213 diff changeset	3064 with destrevlog._writing(tr):
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3065 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3066 node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3067 rawtext,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3068 tr,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3069 linkrev,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3070 p1,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3071 p2,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3072 flags,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3073 cachedelta,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3074 deltacomputer=deltacomputer,
47084 27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one Rapha?l Gom?s <rgomes@octobus.net> parents: 47078 diff changeset	3075 sidedata=sidedata,
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3076 )
42996 4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3077
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3078 if addrevisioncb:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42995 diff changeset	3079 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: 42995 diff changeset	3080
40056 324b4b10351e revlog: rewrite censoring logic Gregory Szorc <gregory.szorc@gmail.com> parents: 40055 diff changeset	3081 def censorrevision(self, tr, censornode, tombstone=b''):
47139 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47136 diff changeset	3082 if self._format_version == REVLOGV0:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3083 raise error.RevlogError(
47139 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47136 diff changeset	3084 _(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: 47136 diff changeset	3085 % self._format_version
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3086 )
47391 33d626910374 revlog: move censoring code in a dedicated module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47389 diff changeset	3087 elif self._format_version == REVLOGV1:
47465 bc8536e09a20 revlog: rewrite `censors.py` to `rewrite.py` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47463 diff changeset	3088 rewrite.v1_censor(self, tr, censornode, tombstone)
47391 33d626910374 revlog: move censoring code in a dedicated module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47389 diff changeset	3089 else:
47465 bc8536e09a20 revlog: rewrite `censors.py` to `rewrite.py` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47463 diff changeset	3090 rewrite.v2_censor(self, tr, censornode, tombstone)
39778 a6b3c4c1019f revlog: move censor logic out of censor extension Gregory Szorc <gregory.szorc@gmail.com> parents: 39775 diff changeset	3091
39842 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3092 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3093 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3094
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3095 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3096 found.
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3097 """
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3098 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3099 if dd:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3100 yield revlogproblem(error=_(b'data length off by %d bytes') % dd)
39842 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3101 if di:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3102 yield revlogproblem(error=_(b'index contains %d extra bytes') % di)
39842 97986c9c69d3 verify: start to abstract file verification Gregory Szorc <gregory.szorc@gmail.com> parents: 39831 diff changeset	3103
47139 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47136 diff changeset	3104 version = self._format_version
39845 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39842 diff changeset	3105
e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39842 diff changeset	3106 # 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	3107 if version != state[b'expectedversion']:
39845 e6d3d39cc1c7 revlog: use proper version comparison during verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39842 diff changeset	3108 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3109 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
47157 3a9f3470922c revlog: use revlog.display_id in format related errors Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47155 diff changeset	3110 % (self.display_id, version, state[b'expectedversion'])
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3111 )
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3112
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3113 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	3114 state[b'safe_renamed'] = set()
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3115
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3116 for rev in self:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3117 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3118
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3119 # Verify contents. 4 cases to care about:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3120 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3121 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3122 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3123 # 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: 39869 diff changeset	3124 # header defined in filelog.py, but without a rename
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3125 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3126 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3127 # More formally, their differences are shown below:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3128 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3129 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3130 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3131 # flags() \| 0 \| 0 \| 0 \| not 0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3132 # renamed() \| False \| True \| False \| ?
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3133 # rawtext[0:2]=='\1\n'\| False \| True \| True \| ?
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3134 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3135 # "rawtext" means the raw text stored in revlog data, which
42768 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42732 diff changeset	3136 # could be retrieved by "rawdata(rev)". "text"
5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42732 diff changeset	3137 # mentioned below is "revision(rev)".
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3138 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3139 # There are 3 different lengths stored physically:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3140 # 1. L1: rawsize, stored in revlog index
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3141 # 2. L2: len(rawtext), stored in revlog data
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3142 # 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: 39869 diff changeset	3143 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3144 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3145 # 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: 39869 diff changeset	3146 # "text" may or may not affect commit hash depending on flag
42732 6d61be152c55 flagutil: move addflagprocessor to the new module (API) Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42731 diff changeset	3147 # processors (see flagutil.addflagprocessor).
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3148 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3149 # \| common \| rename \| meta \| ext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3150 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3151 # rawsize() \| L1 \| L1 \| L1 \| L1
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3152 # size() \| L1 \| L2-LM \| L1(*) \| L1 (?)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3153 # len(rawtext) \| L2 \| L2 \| L2 \| L2
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3154 # len(text) \| L2 \| L2 \| L2 \| L3
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3155 # len(read()) \| L2 \| L2-LM \| L2-LM \| L3 (?)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3156 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3157 # LM: length of metadata, depending on rawtext
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3158 # (*): not ideal, see comment in filelog.size
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3159 # (?): could be "- len(meta)" if the resolved content has
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3160 # rename metadata
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3161 #
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3162 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3163 # 1. length check: L1 == L2, in all cases.
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3164 # 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: 39869 diff changeset	3165 # use either "text" (external), or "rawtext" (in revlog).
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3166
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3167 try:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3168 skipflags = state.get(b'skipflags', 0)
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3169 if skipflags:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3170 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3171
43957 7c3118b9a9db revlog: split the content verification of a node into a separate method Matt Harbison <matt_harbison@yahoo.com> parents: 43779 diff changeset	3172 _verify_revision(self, skipflags, state, node)
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3173
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3174 l1 = self.rawsize(rev)
42768 5a8f2c8edff6 rawdata: update caller in revlog Pierre-Yves David <pierre-yves.david@octobus.net> parents: 42732 diff changeset	3175 l2 = len(self.rawdata(node))
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3176
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3177 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3178 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3179 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	3180 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3181 )
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3182
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3183 except error.CensoredNodeError:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3184 if state[b'erroroncensored']:
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3185 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3186 error=_(b'censored file data'), node=node
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3187 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3188 state[b'skipread'].add(node)
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3189 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3190 yield revlogproblem(
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3191 error=_(b'unpacking %s: %s')
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3192 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3193 node=node,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3194 )
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3195 state[b'skipread'].add(node)
39872 733db72f0f54 revlog: move revision verification out of verify Gregory Szorc <gregory.szorc@gmail.com> parents: 39869 diff changeset	3196
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3197 def storageinfo(
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3198 self,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3199 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3200 sharedfiles=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3201 revisionscount=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3202 trackedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3203 storedsize=False,
2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3204 ):
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3205 d = {}
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3206
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3207 if exclusivefiles:
47148 a07d5cb03a85 revlog: rename `indexfile` to `_indexfile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47145 diff changeset	3208 d[b'exclusivefiles'] = [(self.opener, self._indexfile)]
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3209 if not self._inline:
47149 396442cd7e6a revlog: rename `datafile` to `datafile` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47148 diff changeset	3210 d[b'exclusivefiles'].append((self.opener, self._datafile))
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3211
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3212 if sharedfiles:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3213 d[b'sharedfiles'] = []
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3214
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3215 if revisionscount:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3216 d[b'revisionscount'] = len(self)
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3217
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3218 if trackedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3219 d[b'trackedsize'] = sum(map(self.rawsize, iter(self)))
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3220
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3221 if storedsize:
43077 687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals Augie Fackler <augie@google.com> parents: 43076 diff changeset	3222 d[b'storedsize'] = sum(
43076 2372284d9457 formatting: blacken the codebase Augie Fackler <augie@google.com> parents: 43039 diff changeset	3223 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	3224 )
39869 14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3225
14e500b58263 revlog: add method for obtaining storage info (API) Gregory Szorc <gregory.szorc@gmail.com> parents: 39866 diff changeset	3226 return d
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3227
47216 2bd4b5218918 revlog: pass a transaction object to `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47215 diff changeset	3228 def rewrite_sidedata(self, transaction, helpers, startrev, endrev):
47136 84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47134 diff changeset	3229 if not self.hassidedata:
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3230 return
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47231 diff changeset	3231 # revlog formats with sidedata support does not support inline
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3232 assert not self._inline
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3233 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: 46716 diff changeset	3234 # Nothing to generate or remove
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3235 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3236
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3237 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3238 # append the new sidedata
47218 b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47217 diff changeset	3239 with self._writing(transaction):
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3240 ifh, dfh, sdfh = self._writinghandles
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3241 dfh.seek(self._docket.sidedata_end, os.SEEK_SET)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3242
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3243 current_offset = sdfh.tell()
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3244 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: 46716 diff changeset	3245 entry = self.index[rev]
47085 3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module Rapha?l Gom?s <rgomes@octobus.net> parents: 47084 diff changeset	3246 new_sidedata, flags = sidedatautil.run_sidedata_helpers(
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3247 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3248 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3249 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3250 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3251 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3252
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3253 serialized_sidedata = sidedatautil.serialize_sidedata(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3254 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3255 )
47259 07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3256
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3257 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: 47258 diff changeset	3258 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: 47258 diff changeset	3259 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: 47258 diff changeset	3260 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: 47258 diff changeset	3261 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3262 h != b'u'
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3263 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: 47258 diff changeset	3264 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: 47258 diff changeset	3265 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3266 assert not h
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3267 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3268 comp_sidedata[0]
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3269 == self._docket.default_compression_header
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3270 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3271 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: 47258 diff changeset	3272 serialized_sidedata = comp_sidedata
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3273 else:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3274 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: 47258 diff changeset	3275 serialized_sidedata = comp_sidedata
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3276 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: 46716 diff changeset	3277 # 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: 46716 diff changeset	3278 # 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: 46716 diff changeset	3279 # revlog.
47228 e51392acd70c revlog: fix capitalisation of an error Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47222 diff changeset	3280 msg = b"rewriting existing sidedata is not supported yet"
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3281 raise error.Abort(msg)
47078 223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47077 diff changeset	3282
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47077 diff changeset	3283 # 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: 47077 diff changeset	3284 # the sidedata helpers
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47077 diff changeset	3285 new_offset_flags = entry[0] \| flags[0] & ~flags[1]
47245 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3286 entry_update = (
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3287 current_offset,
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3288 len(serialized_sidedata),
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3289 new_offset_flags,
47259 07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47258 diff changeset	3290 sidedata_compression_mode,
47245 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3291 )
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3292
47217 8f6165c90163 revlog: open files in 'r+' instead of 'a+' Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47216 diff changeset	3293 # the sidedata computation might have move the file cursors around
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3294 sdfh.seek(current_offset, os.SEEK_SET)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3295 sdfh.write(serialized_sidedata)
47245 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3296 new_entries.append(entry_update)
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3297 current_offset += len(serialized_sidedata)
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47387 diff changeset	3298 self._docket.sidedata_end = sdfh.tell()
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3299
47218 b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47217 diff changeset	3300 # rewrite the new index entries
b3acefded601 revlog: use `_writing` in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47217 diff changeset	3301 ifh.seek(startrev * self.index.entry_size)
47078 223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags Rapha?l Gom?s <rgomes@octobus.net> parents: 47077 diff changeset	3302 for i, e in enumerate(new_entries):
46718 ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible Rapha?l Gom?s <rgomes@octobus.net> parents: 46716 diff changeset	3303 rev = startrev + i
47245 de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	3304 self.index.replace_sidedata_info(rev, *e)
47037 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47036 diff changeset	3305 packed = self.index.entry_binary(rev)
47235 6b1eae313b2f revlogv2: store version information in the docket only Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	3306 if rev == 0 and self._docket is None:
47139 f58a13c52726 revlog: split the `version` attribute into its two components Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47136 diff changeset	3307 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: 47136 diff changeset	3308 header = self.index.pack_header(header)
47037 d57386e5c80e revlog: have an explicit "pack_header" method Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47036 diff changeset	3309 packed = header + packed
47215 042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47214 diff changeset	3310 ifh.write(packed)

Mercurial > public > mercurial-scm > hg

annotate mercurial/revlog.py @ 48674:f7086f6173f8 stable