Mercurial > hg
view mercurial/revlogutils/constants.py @ 46652:75832107ec07
hgtagsfnodes: refactor code to compute fnode into separate fn
I plan to use this code at one more place while fixing a bug caused by an
invalid fnode present in cache.
Differential Revision: https://phab.mercurial-scm.org/D10013
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Tue, 16 Feb 2021 18:43:42 +0530 |
parents | 2d6aea053153 |
children | 913485776542 |
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# revlogdeltas.py - constant used for revlog logic # # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> # Copyright 2018 Octobus <contact@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. """Helper class to compute deltas stored inside revlogs""" from __future__ import absolute_import from ..interfaces import repository # revlog header flags REVLOGV0 = 0 REVLOGV1 = 1 # Dummy value until file format is finalized. # Reminder: change the bounds check in revlog.__init__ when this is changed. REVLOGV2 = 0xDEAD # Shared across v1 and v2. FLAG_INLINE_DATA = 1 << 16 # Only used by v1, implied by v2. FLAG_GENERALDELTA = 1 << 17 REVLOG_DEFAULT_FLAGS = FLAG_INLINE_DATA REVLOG_DEFAULT_FORMAT = REVLOGV1 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT | REVLOG_DEFAULT_FLAGS REVLOGV1_FLAGS = FLAG_INLINE_DATA | FLAG_GENERALDELTA REVLOGV2_FLAGS = FLAG_INLINE_DATA # revlog index flags # For historical reasons, revlog's internal flags were exposed via the # wire protocol and are even exposed in parts of the storage APIs. # revision has censor metadata, must be verified REVIDX_ISCENSORED = repository.REVISION_FLAG_CENSORED # revision hash does not match data (narrowhg) REVIDX_ELLIPSIS = repository.REVISION_FLAG_ELLIPSIS # revision data is stored externally REVIDX_EXTSTORED = repository.REVISION_FLAG_EXTSTORED # revision data contains extra metadata not part of the official digest REVIDX_SIDEDATA = repository.REVISION_FLAG_SIDEDATA # revision changes files in a way that could affect copy tracing. REVIDX_HASCOPIESINFO = repository.REVISION_FLAG_HASCOPIESINFO REVIDX_DEFAULT_FLAGS = 0 # stable order in which flags need to be processed and their processors applied REVIDX_FLAGS_ORDER = [ REVIDX_ISCENSORED, REVIDX_ELLIPSIS, REVIDX_EXTSTORED, REVIDX_SIDEDATA, REVIDX_HASCOPIESINFO, ] # bitmark for flags that could cause rawdata content change REVIDX_RAWTEXT_CHANGING_FLAGS = ( REVIDX_ISCENSORED | REVIDX_EXTSTORED | REVIDX_SIDEDATA ) SPARSE_REVLOG_MAX_CHAIN_LENGTH = 1000