mercurial-scm/hg: mercurial/revlogutils/docket.py annotate

annotate mercurial/revlogutils/docket.py @ 48946:642e31cb55f0

py3: use class X: instead of class X(object): The inheritance from object is implied in Python 3. So this should be equivalent. This change was generated via an automated search and replace. So there may have been some accidental changes. Differential Revision: https://phab.mercurial-scm.org/D12352

author	Gregory Szorc <gregory.szorc@gmail.com>
date	Mon, 21 Feb 2022 13:08:28 -0700
parents	0aae0e2e90fc
children	2e726c934fcd

rev	line source
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	1 # docket - code related to revlog "docket"
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	2 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	3 # Copyright 2021 Pierre-Yves David <pierre-yves.david@octobus.net>
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	4 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	5 # This software may be used and distributed according to the terms of the
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	6 # GNU General Public License version 2 or any later version.
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	7
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	8 ### Revlog docket file
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	9 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	10 # The revlog is stored on disk using multiple files:
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	11 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	12 # * a small docket file, containing metadata and a pointer,
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	13 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	14 # * an index file, containing fixed width information about revisions,
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	15 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	16 # * a data file, containing variable width data for these revisions,
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	17
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	18
47312 7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	19 import errno
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	20 import os
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	21 import random
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	22 import struct
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	23
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	24 from .. import (
47312 7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	25 encoding,
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	26 error,
47312 7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	27 node,
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	28 util,
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	29 )
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	30
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	31 from . import (
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	32 constants,
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	33 )
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	34
47312 7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	35
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	36 def make_uid(id_size=8):
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	37 """return a new unique identifier.
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	38
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	39 The identifier is random and composed of ascii characters."""
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	40 # size we "hex" the result we need half the number of bits to have a final
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	41 # uuid of size ID_SIZE
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	42 return node.hex(os.urandom(id_size // 2))
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	43
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	44
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	45 # some special test logic to avoid anoying random output in the test
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	46 stable_docket_file = encoding.environ.get(b'HGTEST_UUIDFILE')
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	47
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	48 if stable_docket_file:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	49
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	50 def make_uid(id_size=8):
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	51 try:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	52 with open(stable_docket_file, mode='rb') as f:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	53 seed = f.read().strip()
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	54 except IOError as inst:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	55 if inst.errno != errno.ENOENT:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	56 raise
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	57 seed = b'04' # chosen by a fair dice roll. garanteed to be random
48908 ed2af4560f6e revlogutils: remove Python 2 variant for iter_seed Gregory Szorc <gregory.szorc@gmail.com> parents: 48875 diff changeset	58 iter_seed = iter(seed)
47312 7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	59 # some basic circular sum hashing on 64 bits
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	60 int_seed = 0
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	61 low_mask = int('1' * 35, 2)
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	62 for i in iter_seed:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	63 high_part = int_seed >> 35
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	64 low_part = (int_seed & low_mask) << 28
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	65 int_seed = high_part + low_part + i
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	66 r = random.Random()
48909 0aae0e2e90fc revlogutils: unconditionally pass version to random seed Gregory Szorc <gregory.szorc@gmail.com> parents: 48908 diff changeset	67 r.seed(int_seed, version=1)
47312 7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	68 # once we drop python 3.8 support we can simply use r.randbytes
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	69 raw = r.getrandbits(id_size * 4)
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	70 assert id_size == 8
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	71 p = struct.pack('>L', raw)
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	72 new = node.hex(p)
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	73 with open(stable_docket_file, 'wb') as f:
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	74 f.write(new)
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	75 return new
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	76
7ea39d633cf3 docket: move the uid logic in the `revlogutils.docket` module Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47266 diff changeset	77
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	78 # Docket format
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	79 #
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	80 # * 4 bytes: revlog version
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	81 # \| This is mandatory as docket must be compatible with the previous
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	82 # \| revlog index header.
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	83 # * 1 bytes: size of index uuid
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	84 # * 1 bytes: number of outdated index uuid
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	85 # * 1 bytes: size of data uuid
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	86 # * 1 bytes: number of outdated data uuid
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	87 # * 1 bytes: size of sizedata uuid
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	88 # * 1 bytes: number of outdated data uuid
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	89 # * 8 bytes: size of index-data
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	90 # * 8 bytes: pending size of index-data
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	91 # * 8 bytes: size of data
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	92 # * 8 bytes: size of sidedata
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	93 # * 8 bytes: pending size of data
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	94 # * 8 bytes: pending size of sidedata
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	95 # * 1 bytes: default compression header
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	96 S_HEADER = struct.Struct(constants.INDEX_HEADER_FMT + b'BBBBBBLLLLLLc')
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	97 # * 1 bytes: size of index uuid
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	98 # * 8 bytes: size of file
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	99 S_OLD_UID = struct.Struct('>BL')
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	100
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	101
48946 642e31cb55f0 py3: use class X: instead of class X(object): Gregory Szorc <gregory.szorc@gmail.com> parents: 48909 diff changeset	102 class RevlogDocket:
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	103 """metadata associated with revlog"""
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	104
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	105 def __init__(
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	106 self,
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	107 revlog,
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	108 use_pending=False,
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	109 version_header=None,
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	110 index_uuid=None,
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	111 older_index_uuids=(),
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	112 data_uuid=None,
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	113 older_data_uuids=(),
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	114 sidedata_uuid=None,
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	115 older_sidedata_uuids=(),
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	116 index_end=0,
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	117 pending_index_end=0,
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	118 data_end=0,
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	119 pending_data_end=0,
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	120 sidedata_end=0,
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	121 pending_sidedata_end=0,
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	122 default_compression_header=None,
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	123 ):
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	124 self._version_header = version_header
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	125 self._read_only = bool(use_pending)
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	126 self._dirty = False
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	127 self._radix = revlog.radix
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	128 self._path = revlog._docket_file
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	129 self._opener = revlog.opener
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	130 self._index_uuid = index_uuid
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	131 self._older_index_uuids = older_index_uuids
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	132 self._data_uuid = data_uuid
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	133 self._older_data_uuids = older_data_uuids
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	134 self._sidedata_uuid = sidedata_uuid
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	135 self._older_sidedata_uuids = older_sidedata_uuids
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	136 assert not set(older_index_uuids) & set(older_data_uuids)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	137 assert not set(older_data_uuids) & set(older_sidedata_uuids)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	138 assert not set(older_index_uuids) & set(older_sidedata_uuids)
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	139 # thes asserts should be True as long as we have a single index filename
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	140 assert index_end <= pending_index_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	141 assert data_end <= pending_data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	142 assert sidedata_end <= pending_sidedata_end
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	143 self._initial_index_end = index_end
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	144 self._pending_index_end = pending_index_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	145 self._initial_data_end = data_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	146 self._pending_data_end = pending_data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	147 self._initial_sidedata_end = sidedata_end
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	148 self._pending_sidedata_end = pending_sidedata_end
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	149 if use_pending:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	150 self._index_end = self._pending_index_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	151 self._data_end = self._pending_data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	152 self._sidedata_end = self._pending_sidedata_end
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	153 else:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	154 self._index_end = self._initial_index_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	155 self._data_end = self._initial_data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	156 self._sidedata_end = self._initial_sidedata_end
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	157 self.default_compression_header = default_compression_header
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	158
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	159 def index_filepath(self):
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	160 """file path to the current index file associated to this docket"""
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	161 # very simplistic version at first
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	162 if self._index_uuid is None:
f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	163 self._index_uuid = make_uid()
f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	164 return b"%s-%s.idx" % (self._radix, self._index_uuid)
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	165
47454 865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	166 def new_index_file(self):
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	167 """switch index file to a new UID
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	168
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	169 The previous index UID is moved to the "older" list."""
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	170 old = (self._index_uuid, self._index_end)
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	171 self._older_index_uuids.insert(0, old)
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	172 self._index_uuid = make_uid()
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	173 return self.index_filepath()
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	174
47455 f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	175 def old_index_filepaths(self, include_empty=True):
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	176 """yield file path to older index files associated to this docket"""
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	177 # very simplistic version at first
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	178 for uuid, size in self._older_index_uuids:
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	179 if include_empty or size > 0:
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	180 yield b"%s-%s.idx" % (self._radix, uuid)
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	181
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	182 def data_filepath(self):
47388 bcf92bdc2bca revlog: fix docket.date_filepath docstring Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47371 diff changeset	183 """file path to the current data file associated to this docket"""
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	184 # very simplistic version at first
0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	185 if self._data_uuid is None:
0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	186 self._data_uuid = make_uid()
0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	187 return b"%s-%s.dat" % (self._radix, self._data_uuid)
0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	188
47454 865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	189 def new_data_file(self):
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	190 """switch data file to a new UID
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	191
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	192 The previous data UID is moved to the "older" list."""
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	193 old = (self._data_uuid, self._data_end)
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	194 self._older_data_uuids.insert(0, old)
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	195 self._data_uuid = make_uid()
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	196 return self.data_filepath()
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	197
47455 f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	198 def old_data_filepaths(self, include_empty=True):
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	199 """yield file path to older data files associated to this docket"""
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	200 # very simplistic version at first
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	201 for uuid, size in self._older_data_uuids:
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	202 if include_empty or size > 0:
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	203 yield b"%s-%s.dat" % (self._radix, uuid)
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	204
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	205 def sidedata_filepath(self):
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	206 """file path to the current sidedata file associated to this docket"""
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	207 # very simplistic version at first
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	208 if self._sidedata_uuid is None:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	209 self._sidedata_uuid = make_uid()
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	210 return b"%s-%s.sda" % (self._radix, self._sidedata_uuid)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	211
47454 865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	212 def new_sidedata_file(self):
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	213 """switch sidedata file to a new UID
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	214
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	215 The previous sidedata UID is moved to the "older" list."""
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	216 old = (self._sidedata_uuid, self._sidedata_end)
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	217 self._older_sidedata_uuids.insert(0, old)
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	218 self._sidedata_uuid = make_uid()
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	219 return self.sidedata_filepath()
865c260d7163 revlog: add docket method to request new content files Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47453 diff changeset	220
47455 f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	221 def old_sidedata_filepaths(self, include_empty=True):
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	222 """yield file path to older sidedata files associated to this docket"""
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	223 # very simplistic version at first
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	224 for uuid, size in self._older_sidedata_uuids:
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	225 if include_empty or size > 0:
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	226 yield b"%s-%s.sda" % (self._radix, uuid)
f93a867a6486 revlog: list older-but-still-around file in `files` Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47454 diff changeset	227
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	228 @property
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	229 def index_end(self):
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	230 return self._index_end
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	231
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	232 @index_end.setter
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	233 def index_end(self, new_size):
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	234 if new_size != self._index_end:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	235 self._index_end = new_size
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	236 self._dirty = True
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	237
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	238 @property
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	239 def data_end(self):
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	240 return self._data_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	241
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	242 @data_end.setter
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	243 def data_end(self, new_size):
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	244 if new_size != self._data_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	245 self._data_end = new_size
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	246 self._dirty = True
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	247
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	248 @property
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	249 def sidedata_end(self):
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	250 return self._sidedata_end
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	251
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	252 @sidedata_end.setter
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	253 def sidedata_end(self, new_size):
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	254 if new_size != self._sidedata_end:
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	255 self._sidedata_end = new_size
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	256 self._dirty = True
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	257
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	258 def write(self, transaction, pending=False, stripping=False):
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	259 """write the modification of disk if any
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	260
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	261 This make the new content visible to all process"""
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	262 if not self._dirty:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	263 return False
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	264 else:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	265 if self._read_only:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	266 msg = b'writing read-only docket: %s'
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	267 msg %= self._path
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	268 raise error.ProgrammingError(msg)
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	269 if not stripping:
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	270 # XXX we could, leverage the docket while stripping. However it
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	271 # is 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: 47234 diff changeset	272 transaction.addbackup(self._path, location=b'store')
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	273 with self._opener(self._path, mode=b'w', atomictemp=True) as f:
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	274 f.write(self._serialize(pending=pending))
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	275 # if pending we still need to the write final data eventually
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	276 self._dirty = pending
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	277 return True
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	278
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	279 def _serialize(self, pending=False):
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	280 if pending:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	281 official_index_end = self._initial_index_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	282 official_data_end = self._initial_data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	283 official_sidedata_end = self._initial_sidedata_end
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	284 else:
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	285 official_index_end = self._index_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	286 official_data_end = self._data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	287 official_sidedata_end = self._sidedata_end
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	288
2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	289 # this assert should be True as long as we have a single index filename
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	290 assert official_data_end <= self._data_end
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	291 assert official_sidedata_end <= self._sidedata_end
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	292 data = (
6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	293 self._version_header,
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	294 len(self._index_uuid),
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	295 len(self._older_index_uuids),
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	296 len(self._data_uuid),
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	297 len(self._older_data_uuids),
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	298 len(self._sidedata_uuid),
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	299 len(self._older_sidedata_uuids),
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	300 official_index_end,
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	301 self._index_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	302 official_data_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	303 self._data_end,
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	304 official_sidedata_end,
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	305 self._sidedata_end,
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	306 self.default_compression_header,
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	307 )
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	308 s = []
f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	309 s.append(S_HEADER.pack(*data))
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	310
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	311 s.append(self._index_uuid)
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	312 for u, size in self._older_index_uuids:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	313 s.append(S_OLD_UID.pack(len(u), size))
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	314 for u, size in self._older_index_uuids:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	315 s.append(u)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	316
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	317 s.append(self._data_uuid)
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	318 for u, size in self._older_data_uuids:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	319 s.append(S_OLD_UID.pack(len(u), size))
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	320 for u, size in self._older_data_uuids:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	321 s.append(u)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	322
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	323 s.append(self._sidedata_uuid)
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	324 for u, size in self._older_sidedata_uuids:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	325 s.append(S_OLD_UID.pack(len(u), size))
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	326 for u, size in self._older_sidedata_uuids:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	327 s.append(u)
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	328 return b''.join(s)
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	329
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	330
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	331 def default_docket(revlog, version_header):
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	332 """given a revlog version a new docket object for the given revlog"""
47266 921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47255 diff changeset	333 rl_version = version_header & 0xFFFF
921648d31553 changelogv2: use a dedicated version number Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47255 diff changeset	334 if rl_version not in (constants.REVLOGV2, constants.CHANGELOGV2):
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	335 return None
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	336 comp = util.compengines[revlog._compengine].revlogheader()
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	337 docket = RevlogDocket(
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	338 revlog,
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	339 version_header=version_header,
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	340 default_compression_header=comp,
ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	341 )
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	342 docket._dirty = True
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	343 return docket
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	344
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	345
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	346 def _parse_old_uids(get_data, count):
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	347 all_sizes = []
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	348 all_uids = []
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	349 for i in range(0, count):
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	350 raw = get_data(S_OLD_UID.size)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	351 all_sizes.append(S_OLD_UID.unpack(raw))
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	352
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	353 for uid_size, file_size in all_sizes:
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	354 uid = get_data(uid_size)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	355 all_uids.append((uid, file_size))
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	356 return all_uids
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	357
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	358
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	359 def parse_docket(revlog, data, use_pending=False):
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	360 """given some docket data return a docket object for the given revlog"""
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	361 header = S_HEADER.unpack(data[: S_HEADER.size])
47326 53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	362
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	363 # this is a mutable closure capture used in `get_data`
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	364 offset = [S_HEADER.size]
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	365
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	366 def get_data(size):
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	367 """utility closure to access the `size` next bytes"""
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	368 if offset[0] + size > len(data):
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	369 # XXX better class
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	370 msg = b"docket is too short, expected %d got %d"
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	371 msg %= (offset[0] + size, len(data))
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	372 raise error.Abort(msg)
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	373 raw = data[offset[0] : offset[0] + size]
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	374 offset[0] += size
53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	375 return raw
47325 f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	376
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	377 iheader = iter(header)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	378
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	379 version_header = next(iheader)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	380
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	381 index_uuid_size = next(iheader)
47326 53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	382 index_uuid = get_data(index_uuid_size)
47325 f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	383
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	384 older_index_uuid_count = next(iheader)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	385 older_index_uuids = _parse_old_uids(get_data, older_index_uuid_count)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	386
47325 f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	387 data_uuid_size = next(iheader)
47326 53ab13d6a5db revlogv2: add a `get_data` helper to grab the next piece of docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47325 diff changeset	388 data_uuid = get_data(data_uuid_size)
47325 f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	389
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	390 older_data_uuid_count = next(iheader)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	391 older_data_uuids = _parse_old_uids(get_data, older_data_uuid_count)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	392
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	393 sidedata_uuid_size = next(iheader)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	394 sidedata_uuid = get_data(sidedata_uuid_size)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	395
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	396 older_sidedata_uuid_count = next(iheader)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	397 older_sidedata_uuids = _parse_old_uids(get_data, older_sidedata_uuid_count)
c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	398
47325 f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	399 index_size = next(iheader)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	400
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	401 pending_index_size = next(iheader)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	402
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	403 data_size = next(iheader)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	404
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	405 pending_data_size = next(iheader)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	406
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	407 sidedata_size = next(iheader)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	408
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	409 pending_sidedata_size = next(iheader)
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	410
47325 f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	411 default_compression_header = next(iheader)
f286d715f9ab revlogv2: simplify and clarify the processing of each entry Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47324 diff changeset	412
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	413 docket = RevlogDocket(
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	414 revlog,
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	415 use_pending=use_pending,
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	416 version_header=version_header,
47323 f612db768c7a revlogv2: use a unique filename for index Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47312 diff changeset	417 index_uuid=index_uuid,
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	418 older_index_uuids=older_index_uuids,
47324 0a3fa41fa719 revlogv2: use a unique filename for data Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47323 diff changeset	419 data_uuid=data_uuid,
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	420 older_data_uuids=older_data_uuids,
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	421 sidedata_uuid=sidedata_uuid,
47453 c252631500e4 revlog: add a way to keep track of older uids in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47423 diff changeset	422 older_sidedata_uuids=older_sidedata_uuids,
47238 6597255a4f94 revlogv2: track current index size in the docket Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47234 diff changeset	423 index_end=index_size,
47241 2219853a1503 revlogv2: track pending write in the docket and expose it to hooks Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47238 diff changeset	424 pending_index_end=pending_index_size,
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	425 data_end=data_size,
4abd474a10af revlogv2: also keep track for the size of the "data" file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47241 diff changeset	426 pending_data_end=pending_data_size,
47389 e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	427 sidedata_end=sidedata_size,
e6292eb33384 revlog: store sidedata in their own file Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47388 diff changeset	428 pending_sidedata_end=pending_sidedata_size,
47255 ff9fd7107d11 revlog: implement a "default compression" mode Pierre-Yves David <pierre-yves.david@octobus.net> parents: 47242 diff changeset	429 default_compression_header=default_compression_header,
47234 616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	430 )
616b8f412676 revlogv2: introduce a very basic docket file Pierre-Yves David <pierre-yves.david@octobus.net> parents: diff changeset	431 return docket

Mercurial > public > mercurial-scm > hg

annotate mercurial/revlogutils/docket.py @ 48946:642e31cb55f0