Mercurial > hg
view mercurial/revlogutils/__init__.py @ 51630:513597087b89
branching: merge stable into default
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 10 Jun 2024 12:12:56 +0200 |
parents | 398a105b16a0 |
children | 278af66e6595 |
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# mercurial.revlogutils -- basic utilities for revlog # # Copyright 2019 Pierre-Yves David <pierre-yves.david@octobus.net> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from ..thirdparty import attr from ..interfaces import repository # See mercurial.revlogutils.constants for doc COMP_MODE_INLINE = 2 RANK_UNKNOWN = -1 def offset_type(offset, type): if (type & ~repository.REVISION_FLAGS_KNOWN) != 0: raise ValueError(b'unknown revlog index flags: %d' % type) return int(int(offset) << 16 | type) def entry( data_offset, data_compressed_length, data_delta_base, link_rev, parent_rev_1, parent_rev_2, node_id, flags=0, data_uncompressed_length=-1, data_compression_mode=COMP_MODE_INLINE, sidedata_offset=0, sidedata_compressed_length=0, sidedata_compression_mode=COMP_MODE_INLINE, rank=RANK_UNKNOWN, ): """Build one entry from symbolic name This is useful to abstract the actual detail of how we build the entry tuple for caller who don't care about it. This should always be called using keyword arguments. Some arguments have default value, this match the value used by index version that does not store such data. """ return ( offset_type(data_offset, flags), data_compressed_length, data_uncompressed_length, data_delta_base, link_rev, parent_rev_1, parent_rev_2, node_id, sidedata_offset, sidedata_compressed_length, data_compression_mode, sidedata_compression_mode, rank, ) @attr.s(slots=True, frozen=True) class revisioninfo: """Information about a revision that allows building its fulltext node: expected hash of the revision p1, p2: parent revs of the revision (as node) btext: built text cache consisting of a one-element list cachedelta: (baserev, uncompressed_delta, usage_mode) or None flags: flags associated to the revision storage One of btext[0] or cachedelta must be set. """ node = attr.ib() p1 = attr.ib() p2 = attr.ib() btext = attr.ib() textlen = attr.ib() cachedelta = attr.ib() flags = attr.ib()