Mercurial > hg
view mercurial/configitems.py @ 49000:dd6b67d5c256 stable
rust: fix unsound `OwningDirstateMap`
As per the previous patch, `OwningDirstateMap` is unsound. Self-referential
structs are difficult to implement correctly in Rust since the compiler is
free to move structs around as much as it wants to. They are also very rarely
needed in practice, so the state-of-the-art on how they should be done within
the Rust rules is still a bit new.
The crate `ouroboros` is an attempt at providing a safe way (in the Rust sense)
of declaring self-referential structs. It is getting a lot attention and was
improved very quickly when soundness issues were found in the past: rather than
relying on our own (limited) review circle, we might as well use the de-facto
common crate to fix this problem. This will give us a much better chance of
finding issues should any new ones be discovered as well as the benefit of
fewer `unsafe` APIs of our own.
I was starting to think about how I would present a safe API to the old struct
but soon realized that the callback-based approach was already done in
`ouroboros`, along with a lot more care towards refusing incorrect structs.
In short: we don't return a mutable reference to the `DirstateMap` anymore, we
expect users of its API to pass a `FnOnce` that takes the map as an argument.
This allows our `OwningDirstateMap` to control the input and output lifetimes
of the code that modifies it to prevent such issues.
Changing to `ouroboros` meant changing every API with it, but it is relatively
low churn in the end. It correctly identified the example buggy modification of
`copy_map_insert` outlined in the previous patch as violating the borrow rules.
Differential Revision: https://phab.mercurial-scm.org/D12429
author | Raphaël Gomès <rgomes@octobus.net> |
---|---|
date | Tue, 05 Apr 2022 10:55:28 +0200 |
parents | 6e559391f96e |
children | 6000f5b25c9b 8653a2a33736 |
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# configitems.py - centralized declaration of configuration option # # Copyright 2017 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 __future__ import absolute_import import functools import re from . import ( encoding, error, ) def loadconfigtable(ui, extname, configtable): """update config item known to the ui with the extension ones""" for section, items in sorted(configtable.items()): knownitems = ui._knownconfig.setdefault(section, itemregister()) knownkeys = set(knownitems) newkeys = set(items) for key in sorted(knownkeys & newkeys): msg = b"extension '%s' overwrite config item '%s.%s'" msg %= (extname, section, key) ui.develwarn(msg, config=b'warn-config') knownitems.update(items) class configitem(object): """represent a known config item :section: the official config section where to find this item, :name: the official name within the section, :default: default value for this item, :alias: optional list of tuples as alternatives, :generic: this is a generic definition, match name using regular expression. """ def __init__( self, section, name, default=None, alias=(), generic=False, priority=0, experimental=False, ): self.section = section self.name = name self.default = default self.alias = list(alias) self.generic = generic self.priority = priority self.experimental = experimental self._re = None if generic: self._re = re.compile(self.name) class itemregister(dict): """A specialized dictionary that can handle wild-card selection""" def __init__(self): super(itemregister, self).__init__() self._generics = set() def update(self, other): super(itemregister, self).update(other) self._generics.update(other._generics) def __setitem__(self, key, item): super(itemregister, self).__setitem__(key, item) if item.generic: self._generics.add(item) def get(self, key): baseitem = super(itemregister, self).get(key) if baseitem is not None and not baseitem.generic: return baseitem # search for a matching generic item generics = sorted(self._generics, key=(lambda x: (x.priority, x.name))) for item in generics: # we use 'match' instead of 'search' to make the matching simpler # for people unfamiliar with regular expression. Having the match # rooted to the start of the string will produce less surprising # result for user writing simple regex for sub-attribute. # # For example using "color\..*" match produces an unsurprising # result, while using search could suddenly match apparently # unrelated configuration that happens to contains "color." # anywhere. This is a tradeoff where we favor requiring ".*" on # some match to avoid the need to prefix most pattern with "^". # The "^" seems more error prone. if item._re.match(key): return item return None coreitems = {} def _register(configtable, *args, **kwargs): item = configitem(*args, **kwargs) section = configtable.setdefault(item.section, itemregister()) if item.name in section: msg = b"duplicated config item registration for '%s.%s'" raise error.ProgrammingError(msg % (item.section, item.name)) section[item.name] = item # special value for case where the default is derived from other values dynamicdefault = object() # Registering actual config items def getitemregister(configtable): f = functools.partial(_register, configtable) # export pseudo enum as configitem.* f.dynamicdefault = dynamicdefault return f coreconfigitem = getitemregister(coreitems) def _registerdiffopts(section, configprefix=b''): coreconfigitem( section, configprefix + b'nodates', default=False, ) coreconfigitem( section, configprefix + b'showfunc', default=False, ) coreconfigitem( section, configprefix + b'unified', default=None, ) coreconfigitem( section, configprefix + b'git', default=False, ) coreconfigitem( section, configprefix + b'ignorews', default=False, ) coreconfigitem( section, configprefix + b'ignorewsamount', default=False, ) coreconfigitem( section, configprefix + b'ignoreblanklines', default=False, ) coreconfigitem( section, configprefix + b'ignorewseol', default=False, ) coreconfigitem( section, configprefix + b'nobinary', default=False, ) coreconfigitem( section, configprefix + b'noprefix', default=False, ) coreconfigitem( section, configprefix + b'word-diff', default=False, ) coreconfigitem( b'alias', b'.*', default=dynamicdefault, generic=True, ) coreconfigitem( b'auth', b'cookiefile', default=None, ) _registerdiffopts(section=b'annotate') # bookmarks.pushing: internal hack for discovery coreconfigitem( b'bookmarks', b'pushing', default=list, ) # bundle.mainreporoot: internal hack for bundlerepo coreconfigitem( b'bundle', b'mainreporoot', default=b'', ) coreconfigitem( b'censor', b'policy', default=b'abort', experimental=True, ) coreconfigitem( b'chgserver', b'idletimeout', default=3600, ) coreconfigitem( b'chgserver', b'skiphash', default=False, ) coreconfigitem( b'cmdserver', b'log', default=None, ) coreconfigitem( b'cmdserver', b'max-log-files', default=7, ) coreconfigitem( b'cmdserver', b'max-log-size', default=b'1 MB', ) coreconfigitem( b'cmdserver', b'max-repo-cache', default=0, experimental=True, ) coreconfigitem( b'cmdserver', b'message-encodings', default=list, ) coreconfigitem( b'cmdserver', b'track-log', default=lambda: [b'chgserver', b'cmdserver', b'repocache'], ) coreconfigitem( b'cmdserver', b'shutdown-on-interrupt', default=True, ) coreconfigitem( b'color', b'.*', default=None, generic=True, ) coreconfigitem( b'color', b'mode', default=b'auto', ) coreconfigitem( b'color', b'pagermode', default=dynamicdefault, ) coreconfigitem( b'command-templates', b'graphnode', default=None, alias=[(b'ui', b'graphnodetemplate')], ) coreconfigitem( b'command-templates', b'log', default=None, alias=[(b'ui', b'logtemplate')], ) coreconfigitem( b'command-templates', b'mergemarker', default=( b'{node|short} ' b'{ifeq(tags, "tip", "", ' b'ifeq(tags, "", "", "{tags} "))}' b'{if(bookmarks, "{bookmarks} ")}' b'{ifeq(branch, "default", "", "{branch} ")}' b'- {author|user}: {desc|firstline}' ), alias=[(b'ui', b'mergemarkertemplate')], ) coreconfigitem( b'command-templates', b'pre-merge-tool-output', default=None, alias=[(b'ui', b'pre-merge-tool-output-template')], ) coreconfigitem( b'command-templates', b'oneline-summary', default=None, ) coreconfigitem( b'command-templates', b'oneline-summary.*', default=dynamicdefault, generic=True, ) _registerdiffopts(section=b'commands', configprefix=b'commit.interactive.') coreconfigitem( b'commands', b'commit.post-status', default=False, ) coreconfigitem( b'commands', b'grep.all-files', default=False, experimental=True, ) coreconfigitem( b'commands', b'merge.require-rev', default=False, ) coreconfigitem( b'commands', b'push.require-revs', default=False, ) coreconfigitem( b'commands', b'resolve.confirm', default=False, ) coreconfigitem( b'commands', b'resolve.explicit-re-merge', default=False, ) coreconfigitem( b'commands', b'resolve.mark-check', default=b'none', ) _registerdiffopts(section=b'commands', configprefix=b'revert.interactive.') coreconfigitem( b'commands', b'show.aliasprefix', default=list, ) coreconfigitem( b'commands', b'status.relative', default=False, ) coreconfigitem( b'commands', b'status.skipstates', default=[], experimental=True, ) coreconfigitem( b'commands', b'status.terse', default=b'', ) coreconfigitem( b'commands', b'status.verbose', default=False, ) coreconfigitem( b'commands', b'update.check', default=None, ) coreconfigitem( b'commands', b'update.requiredest', default=False, ) coreconfigitem( b'committemplate', b'.*', default=None, generic=True, ) coreconfigitem( b'convert', b'bzr.saverev', default=True, ) coreconfigitem( b'convert', b'cvsps.cache', default=True, ) coreconfigitem( b'convert', b'cvsps.fuzz', default=60, ) coreconfigitem( b'convert', b'cvsps.logencoding', default=None, ) coreconfigitem( b'convert', b'cvsps.mergefrom', default=None, ) coreconfigitem( b'convert', b'cvsps.mergeto', default=None, ) coreconfigitem( b'convert', b'git.committeractions', default=lambda: [b'messagedifferent'], ) coreconfigitem( b'convert', b'git.extrakeys', default=list, ) coreconfigitem( b'convert', b'git.findcopiesharder', default=False, ) coreconfigitem( b'convert', b'git.remoteprefix', default=b'remote', ) coreconfigitem( b'convert', b'git.renamelimit', default=400, ) coreconfigitem( b'convert', b'git.saverev', default=True, ) coreconfigitem( b'convert', b'git.similarity', default=50, ) coreconfigitem( b'convert', b'git.skipsubmodules', default=False, ) coreconfigitem( b'convert', b'hg.clonebranches', default=False, ) coreconfigitem( b'convert', b'hg.ignoreerrors', default=False, ) coreconfigitem( b'convert', b'hg.preserve-hash', default=False, ) coreconfigitem( b'convert', b'hg.revs', default=None, ) coreconfigitem( b'convert', b'hg.saverev', default=False, ) coreconfigitem( b'convert', b'hg.sourcename', default=None, ) coreconfigitem( b'convert', b'hg.startrev', default=None, ) coreconfigitem( b'convert', b'hg.tagsbranch', default=b'default', ) coreconfigitem( b'convert', b'hg.usebranchnames', default=True, ) coreconfigitem( b'convert', b'ignoreancestorcheck', default=False, experimental=True, ) coreconfigitem( b'convert', b'localtimezone', default=False, ) coreconfigitem( b'convert', b'p4.encoding', default=dynamicdefault, ) coreconfigitem( b'convert', b'p4.startrev', default=0, ) coreconfigitem( b'convert', b'skiptags', default=False, ) coreconfigitem( b'convert', b'svn.debugsvnlog', default=True, ) coreconfigitem( b'convert', b'svn.trunk', default=None, ) coreconfigitem( b'convert', b'svn.tags', default=None, ) coreconfigitem( b'convert', b'svn.branches', default=None, ) coreconfigitem( b'convert', b'svn.startrev', default=0, ) coreconfigitem( b'convert', b'svn.dangerous-set-commit-dates', default=False, ) coreconfigitem( b'debug', b'dirstate.delaywrite', default=0, ) coreconfigitem( b'debug', b'revlog.verifyposition.changelog', default=b'', ) coreconfigitem( b'defaults', b'.*', default=None, generic=True, ) coreconfigitem( b'devel', b'all-warnings', default=False, ) coreconfigitem( b'devel', b'bundle2.debug', default=False, ) coreconfigitem( b'devel', b'bundle.delta', default=b'', ) coreconfigitem( b'devel', b'cache-vfs', default=None, ) coreconfigitem( b'devel', b'check-locks', default=False, ) coreconfigitem( b'devel', b'check-relroot', default=False, ) # Track copy information for all file, not just "added" one (very slow) coreconfigitem( b'devel', b'copy-tracing.trace-all-files', default=False, ) coreconfigitem( b'devel', b'default-date', default=None, ) coreconfigitem( b'devel', b'deprec-warn', default=False, ) coreconfigitem( b'devel', b'disableloaddefaultcerts', default=False, ) coreconfigitem( b'devel', b'warn-empty-changegroup', default=False, ) coreconfigitem( b'devel', b'legacy.exchange', default=list, ) # When True, revlogs use a special reference version of the nodemap, that is not # performant but is "known" to behave properly. coreconfigitem( b'devel', b'persistent-nodemap', default=False, ) coreconfigitem( b'devel', b'servercafile', default=b'', ) coreconfigitem( b'devel', b'serverexactprotocol', default=b'', ) coreconfigitem( b'devel', b'serverrequirecert', default=False, ) coreconfigitem( b'devel', b'strip-obsmarkers', default=True, ) coreconfigitem( b'devel', b'warn-config', default=None, ) coreconfigitem( b'devel', b'warn-config-default', default=None, ) coreconfigitem( b'devel', b'user.obsmarker', default=None, ) coreconfigitem( b'devel', b'warn-config-unknown', default=None, ) coreconfigitem( b'devel', b'debug.copies', default=False, ) coreconfigitem( b'devel', b'copy-tracing.multi-thread', default=True, ) coreconfigitem( b'devel', b'debug.extensions', default=False, ) coreconfigitem( b'devel', b'debug.repo-filters', default=False, ) coreconfigitem( b'devel', b'debug.peer-request', default=False, ) # If discovery.exchange-heads is False, the discovery will not start with # remote head fetching and local head querying. coreconfigitem( b'devel', b'discovery.exchange-heads', default=True, ) # If discovery.grow-sample is False, the sample size used in set discovery will # not be increased through the process coreconfigitem( b'devel', b'discovery.grow-sample', default=True, ) # When discovery.grow-sample.dynamic is True, the default, the sample size is # adapted to the shape of the undecided set (it is set to the max of: # <target-size>, len(roots(undecided)), len(heads(undecided) coreconfigitem( b'devel', b'discovery.grow-sample.dynamic', default=True, ) # discovery.grow-sample.rate control the rate at which the sample grow coreconfigitem( b'devel', b'discovery.grow-sample.rate', default=1.05, ) # If discovery.randomize is False, random sampling during discovery are # deterministic. It is meant for integration tests. coreconfigitem( b'devel', b'discovery.randomize', default=True, ) # Control the initial size of the discovery sample coreconfigitem( b'devel', b'discovery.sample-size', default=200, ) # Control the initial size of the discovery for initial change coreconfigitem( b'devel', b'discovery.sample-size.initial', default=100, ) _registerdiffopts(section=b'diff') coreconfigitem( b'diff', b'merge', default=False, experimental=True, ) coreconfigitem( b'email', b'bcc', default=None, ) coreconfigitem( b'email', b'cc', default=None, ) coreconfigitem( b'email', b'charsets', default=list, ) coreconfigitem( b'email', b'from', default=None, ) coreconfigitem( b'email', b'method', default=b'smtp', ) coreconfigitem( b'email', b'reply-to', default=None, ) coreconfigitem( b'email', b'to', default=None, ) coreconfigitem( b'experimental', b'archivemetatemplate', default=dynamicdefault, ) coreconfigitem( b'experimental', b'auto-publish', default=b'publish', ) coreconfigitem( b'experimental', b'bundle-phases', default=False, ) coreconfigitem( b'experimental', b'bundle2-advertise', default=True, ) coreconfigitem( b'experimental', b'bundle2-output-capture', default=False, ) coreconfigitem( b'experimental', b'bundle2.pushback', default=False, ) coreconfigitem( b'experimental', b'bundle2lazylocking', default=False, ) coreconfigitem( b'experimental', b'bundlecomplevel', default=None, ) coreconfigitem( b'experimental', b'bundlecomplevel.bzip2', default=None, ) coreconfigitem( b'experimental', b'bundlecomplevel.gzip', default=None, ) coreconfigitem( b'experimental', b'bundlecomplevel.none', default=None, ) coreconfigitem( b'experimental', b'bundlecomplevel.zstd', default=None, ) coreconfigitem( b'experimental', b'bundlecompthreads', default=None, ) coreconfigitem( b'experimental', b'bundlecompthreads.bzip2', default=None, ) coreconfigitem( b'experimental', b'bundlecompthreads.gzip', default=None, ) coreconfigitem( b'experimental', b'bundlecompthreads.none', default=None, ) coreconfigitem( b'experimental', b'bundlecompthreads.zstd', default=None, ) coreconfigitem( b'experimental', b'changegroup3', default=False, ) coreconfigitem( b'experimental', b'changegroup4', default=False, ) coreconfigitem( b'experimental', b'cleanup-as-archived', default=False, ) coreconfigitem( b'experimental', b'clientcompressionengines', default=list, ) coreconfigitem( b'experimental', b'copytrace', default=b'on', ) coreconfigitem( b'experimental', b'copytrace.movecandidateslimit', default=100, ) coreconfigitem( b'experimental', b'copytrace.sourcecommitlimit', default=100, ) coreconfigitem( b'experimental', b'copies.read-from', default=b"filelog-only", ) coreconfigitem( b'experimental', b'copies.write-to', default=b'filelog-only', ) coreconfigitem( b'experimental', b'crecordtest', default=None, ) coreconfigitem( b'experimental', b'directaccess', default=False, ) coreconfigitem( b'experimental', b'directaccess.revnums', default=False, ) coreconfigitem( b'experimental', b'editortmpinhg', default=False, ) coreconfigitem( b'experimental', b'evolution', default=list, ) coreconfigitem( b'experimental', b'evolution.allowdivergence', default=False, alias=[(b'experimental', b'allowdivergence')], ) coreconfigitem( b'experimental', b'evolution.allowunstable', default=None, ) coreconfigitem( b'experimental', b'evolution.createmarkers', default=None, ) coreconfigitem( b'experimental', b'evolution.effect-flags', default=True, alias=[(b'experimental', b'effect-flags')], ) coreconfigitem( b'experimental', b'evolution.exchange', default=None, ) coreconfigitem( b'experimental', b'evolution.bundle-obsmarker', default=False, ) coreconfigitem( b'experimental', b'evolution.bundle-obsmarker:mandatory', default=True, ) coreconfigitem( b'experimental', b'log.topo', default=False, ) coreconfigitem( b'experimental', b'evolution.report-instabilities', default=True, ) coreconfigitem( b'experimental', b'evolution.track-operation', default=True, ) # repo-level config to exclude a revset visibility # # The target use case is to use `share` to expose different subset of the same # repository, especially server side. See also `server.view`. coreconfigitem( b'experimental', b'extra-filter-revs', default=None, ) coreconfigitem( b'experimental', b'maxdeltachainspan', default=-1, ) # tracks files which were undeleted (merge might delete them but we explicitly # kept/undeleted them) and creates new filenodes for them coreconfigitem( b'experimental', b'merge-track-salvaged', default=False, ) coreconfigitem( b'experimental', b'mmapindexthreshold', default=None, ) coreconfigitem( b'experimental', b'narrow', default=False, ) coreconfigitem( b'experimental', b'nonnormalparanoidcheck', default=False, ) coreconfigitem( b'experimental', b'exportableenviron', default=list, ) coreconfigitem( b'experimental', b'extendedheader.index', default=None, ) coreconfigitem( b'experimental', b'extendedheader.similarity', default=False, ) coreconfigitem( b'experimental', b'graphshorten', default=False, ) coreconfigitem( b'experimental', b'graphstyle.parent', default=dynamicdefault, ) coreconfigitem( b'experimental', b'graphstyle.missing', default=dynamicdefault, ) coreconfigitem( b'experimental', b'graphstyle.grandparent', default=dynamicdefault, ) coreconfigitem( b'experimental', b'hook-track-tags', default=False, ) coreconfigitem( b'experimental', b'httppostargs', default=False, ) coreconfigitem(b'experimental', b'nointerrupt', default=False) coreconfigitem(b'experimental', b'nointerrupt-interactiveonly', default=True) coreconfigitem( b'experimental', b'obsmarkers-exchange-debug', default=False, ) coreconfigitem( b'experimental', b'remotenames', default=False, ) coreconfigitem( b'experimental', b'removeemptydirs', default=True, ) coreconfigitem( b'experimental', b'revert.interactive.select-to-keep', default=False, ) coreconfigitem( b'experimental', b'revisions.prefixhexnode', default=False, ) # "out of experimental" todo list. # # * include management of a persistent nodemap in the main docket # * enforce a "no-truncate" policy for mmap safety # - for censoring operation # - for stripping operation # - for rollback operation # * proper streaming (race free) of the docket file # * track garbage data to evemtually allow rewriting -existing- sidedata. # * Exchange-wise, we will also need to do something more efficient than # keeping references to the affected revlogs, especially memory-wise when # rewriting sidedata. # * introduce a proper solution to reduce the number of filelog related files. # * use caching for reading sidedata (similar to what we do for data). # * no longer set offset=0 if sidedata_size=0 (simplify cutoff computation). # * Improvement to consider # - avoid compression header in chunk using the default compression? # - forbid "inline" compression mode entirely? # - split the data offset and flag field (the 2 bytes save are mostly trouble) # - keep track of uncompressed -chunk- size (to preallocate memory better) # - keep track of chain base or size (probably not that useful anymore) coreconfigitem( b'experimental', b'revlogv2', default=None, ) coreconfigitem( b'experimental', b'revisions.disambiguatewithin', default=None, ) coreconfigitem( b'experimental', b'rust.index', default=False, ) coreconfigitem( b'experimental', b'server.filesdata.recommended-batch-size', default=50000, ) coreconfigitem( b'experimental', b'server.manifestdata.recommended-batch-size', default=100000, ) coreconfigitem( b'experimental', b'server.stream-narrow-clones', default=False, ) coreconfigitem( b'experimental', b'single-head-per-branch', default=False, ) coreconfigitem( b'experimental', b'single-head-per-branch:account-closed-heads', default=False, ) coreconfigitem( b'experimental', b'single-head-per-branch:public-changes-only', default=False, ) coreconfigitem( b'experimental', b'sparse-read', default=False, ) coreconfigitem( b'experimental', b'sparse-read.density-threshold', default=0.50, ) coreconfigitem( b'experimental', b'sparse-read.min-gap-size', default=b'65K', ) coreconfigitem( b'experimental', b'treemanifest', default=False, ) coreconfigitem( b'experimental', b'update.atomic-file', default=False, ) coreconfigitem( b'experimental', b'web.full-garbage-collection-rate', default=1, # still forcing a full collection on each request ) coreconfigitem( b'experimental', b'worker.wdir-get-thread-safe', default=False, ) coreconfigitem( b'experimental', b'worker.repository-upgrade', default=False, ) coreconfigitem( b'experimental', b'xdiff', default=False, ) coreconfigitem( b'extensions', b'[^:]*', default=None, generic=True, ) coreconfigitem( b'extensions', b'[^:]*:required', default=False, generic=True, ) coreconfigitem( b'extdata', b'.*', default=None, generic=True, ) coreconfigitem( b'format', b'bookmarks-in-store', default=False, ) coreconfigitem( b'format', b'chunkcachesize', default=None, experimental=True, ) coreconfigitem( # Enable this dirstate format *when creating a new repository*. # Which format to use for existing repos is controlled by .hg/requires b'format', b'use-dirstate-v2', default=False, experimental=True, alias=[(b'format', b'exp-rc-dirstate-v2')], ) coreconfigitem( b'format', b'use-dirstate-tracked-hint', default=False, experimental=True, ) coreconfigitem( b'format', b'use-dirstate-tracked-hint.version', default=1, experimental=True, ) coreconfigitem( b'format', b'dotencode', default=True, ) coreconfigitem( b'format', b'generaldelta', default=False, experimental=True, ) coreconfigitem( b'format', b'manifestcachesize', default=None, experimental=True, ) coreconfigitem( b'format', b'maxchainlen', default=dynamicdefault, experimental=True, ) coreconfigitem( b'format', b'obsstore-version', default=None, ) coreconfigitem( b'format', b'sparse-revlog', default=True, ) coreconfigitem( b'format', b'revlog-compression', default=lambda: [b'zstd', b'zlib'], alias=[(b'experimental', b'format.compression')], ) # Experimental TODOs: # # * Same as for revlogv2 (but for the reduction of the number of files) # * Actually computing the rank of changesets # * Improvement to investigate # - storing .hgtags fnode # - storing branch related identifier coreconfigitem( b'format', b'exp-use-changelog-v2', default=None, experimental=True, ) coreconfigitem( b'format', b'usefncache', default=True, ) coreconfigitem( b'format', b'usegeneraldelta', default=True, ) coreconfigitem( b'format', b'usestore', default=True, ) def _persistent_nodemap_default(): """compute `use-persistent-nodemap` default value The feature is disabled unless a fast implementation is available. """ from . import policy return policy.importrust('revlog') is not None coreconfigitem( b'format', b'use-persistent-nodemap', default=_persistent_nodemap_default, ) coreconfigitem( b'format', b'exp-use-copies-side-data-changeset', default=False, experimental=True, ) coreconfigitem( b'format', b'use-share-safe', default=True, ) coreconfigitem( b'format', b'internal-phase', default=False, experimental=True, ) coreconfigitem( b'fsmonitor', b'warn_when_unused', default=True, ) coreconfigitem( b'fsmonitor', b'warn_update_file_count', default=50000, ) coreconfigitem( b'fsmonitor', b'warn_update_file_count_rust', default=400000, ) coreconfigitem( b'help', br'hidden-command\..*', default=False, generic=True, ) coreconfigitem( b'help', br'hidden-topic\..*', default=False, generic=True, ) coreconfigitem( b'hooks', b'[^:]*', default=dynamicdefault, generic=True, ) coreconfigitem( b'hooks', b'.*:run-with-plain', default=True, generic=True, ) coreconfigitem( b'hgweb-paths', b'.*', default=list, generic=True, ) coreconfigitem( b'hostfingerprints', b'.*', default=list, generic=True, ) coreconfigitem( b'hostsecurity', b'ciphers', default=None, ) coreconfigitem( b'hostsecurity', b'minimumprotocol', default=dynamicdefault, ) coreconfigitem( b'hostsecurity', b'.*:minimumprotocol$', default=dynamicdefault, generic=True, ) coreconfigitem( b'hostsecurity', b'.*:ciphers$', default=dynamicdefault, generic=True, ) coreconfigitem( b'hostsecurity', b'.*:fingerprints$', default=list, generic=True, ) coreconfigitem( b'hostsecurity', b'.*:verifycertsfile$', default=None, generic=True, ) coreconfigitem( b'http_proxy', b'always', default=False, ) coreconfigitem( b'http_proxy', b'host', default=None, ) coreconfigitem( b'http_proxy', b'no', default=list, ) coreconfigitem( b'http_proxy', b'passwd', default=None, ) coreconfigitem( b'http_proxy', b'user', default=None, ) coreconfigitem( b'http', b'timeout', default=None, ) coreconfigitem( b'logtoprocess', b'commandexception', default=None, ) coreconfigitem( b'logtoprocess', b'commandfinish', default=None, ) coreconfigitem( b'logtoprocess', b'command', default=None, ) coreconfigitem( b'logtoprocess', b'develwarn', default=None, ) coreconfigitem( b'logtoprocess', b'uiblocked', default=None, ) coreconfigitem( b'merge', b'checkunknown', default=b'abort', ) coreconfigitem( b'merge', b'checkignored', default=b'abort', ) coreconfigitem( b'experimental', b'merge.checkpathconflicts', default=False, ) coreconfigitem( b'merge', b'followcopies', default=True, ) coreconfigitem( b'merge', b'on-failure', default=b'continue', ) coreconfigitem( b'merge', b'preferancestor', default=lambda: [b'*'], experimental=True, ) coreconfigitem( b'merge', b'strict-capability-check', default=False, ) coreconfigitem( b'merge-tools', b'.*', default=None, generic=True, ) coreconfigitem( b'merge-tools', br'.*\.args$', default=b"$local $base $other", generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.binary$', default=False, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.check$', default=list, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.checkchanged$', default=False, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.executable$', default=dynamicdefault, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.fixeol$', default=False, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.gui$', default=False, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.mergemarkers$', default=b'basic', generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.mergemarkertemplate$', default=dynamicdefault, # take from command-templates.mergemarker generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.priority$', default=0, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.premerge$', default=dynamicdefault, generic=True, priority=-1, ) coreconfigitem( b'merge-tools', br'.*\.symlink$', default=False, generic=True, priority=-1, ) coreconfigitem( b'pager', b'attend-.*', default=dynamicdefault, generic=True, ) coreconfigitem( b'pager', b'ignore', default=list, ) coreconfigitem( b'pager', b'pager', default=dynamicdefault, ) coreconfigitem( b'patch', b'eol', default=b'strict', ) coreconfigitem( b'patch', b'fuzz', default=2, ) coreconfigitem( b'paths', b'default', default=None, ) coreconfigitem( b'paths', b'default-push', default=None, ) coreconfigitem( b'paths', b'.*', default=None, generic=True, ) coreconfigitem( b'phases', b'checksubrepos', default=b'follow', ) coreconfigitem( b'phases', b'new-commit', default=b'draft', ) coreconfigitem( b'phases', b'publish', default=True, ) coreconfigitem( b'profiling', b'enabled', default=False, ) coreconfigitem( b'profiling', b'format', default=b'text', ) coreconfigitem( b'profiling', b'freq', default=1000, ) coreconfigitem( b'profiling', b'limit', default=30, ) coreconfigitem( b'profiling', b'nested', default=0, ) coreconfigitem( b'profiling', b'output', default=None, ) coreconfigitem( b'profiling', b'showmax', default=0.999, ) coreconfigitem( b'profiling', b'showmin', default=dynamicdefault, ) coreconfigitem( b'profiling', b'showtime', default=True, ) coreconfigitem( b'profiling', b'sort', default=b'inlinetime', ) coreconfigitem( b'profiling', b'statformat', default=b'hotpath', ) coreconfigitem( b'profiling', b'time-track', default=dynamicdefault, ) coreconfigitem( b'profiling', b'type', default=b'stat', ) coreconfigitem( b'progress', b'assume-tty', default=False, ) coreconfigitem( b'progress', b'changedelay', default=1, ) coreconfigitem( b'progress', b'clear-complete', default=True, ) coreconfigitem( b'progress', b'debug', default=False, ) coreconfigitem( b'progress', b'delay', default=3, ) coreconfigitem( b'progress', b'disable', default=False, ) coreconfigitem( b'progress', b'estimateinterval', default=60.0, ) coreconfigitem( b'progress', b'format', default=lambda: [b'topic', b'bar', b'number', b'estimate'], ) coreconfigitem( b'progress', b'refresh', default=0.1, ) coreconfigitem( b'progress', b'width', default=dynamicdefault, ) coreconfigitem( b'pull', b'confirm', default=False, ) coreconfigitem( b'push', b'pushvars.server', default=False, ) coreconfigitem( b'rewrite', b'backup-bundle', default=True, alias=[(b'ui', b'history-editing-backup')], ) coreconfigitem( b'rewrite', b'update-timestamp', default=False, ) coreconfigitem( b'rewrite', b'empty-successor', default=b'skip', experimental=True, ) # experimental as long as format.use-dirstate-v2 is. coreconfigitem( b'storage', b'dirstate-v2.slow-path', default=b"abort", experimental=True, ) coreconfigitem( b'storage', b'new-repo-backend', default=b'revlogv1', experimental=True, ) coreconfigitem( b'storage', b'revlog.optimize-delta-parent-choice', default=True, alias=[(b'format', b'aggressivemergedeltas')], ) coreconfigitem( b'storage', b'revlog.issue6528.fix-incoming', default=True, ) # experimental as long as rust is experimental (or a C version is implemented) coreconfigitem( b'storage', b'revlog.persistent-nodemap.mmap', default=True, ) # experimental as long as format.use-persistent-nodemap is. coreconfigitem( b'storage', b'revlog.persistent-nodemap.slow-path', default=b"abort", ) coreconfigitem( b'storage', b'revlog.reuse-external-delta', default=True, ) coreconfigitem( b'storage', b'revlog.reuse-external-delta-parent', default=None, ) coreconfigitem( b'storage', b'revlog.zlib.level', default=None, ) coreconfigitem( b'storage', b'revlog.zstd.level', default=None, ) coreconfigitem( b'server', b'bookmarks-pushkey-compat', default=True, ) coreconfigitem( b'server', b'bundle1', default=True, ) coreconfigitem( b'server', b'bundle1gd', default=None, ) coreconfigitem( b'server', b'bundle1.pull', default=None, ) coreconfigitem( b'server', b'bundle1gd.pull', default=None, ) coreconfigitem( b'server', b'bundle1.push', default=None, ) coreconfigitem( b'server', b'bundle1gd.push', default=None, ) coreconfigitem( b'server', b'bundle2.stream', default=True, alias=[(b'experimental', b'bundle2.stream')], ) coreconfigitem( b'server', b'compressionengines', default=list, ) coreconfigitem( b'server', b'concurrent-push-mode', default=b'check-related', ) coreconfigitem( b'server', b'disablefullbundle', default=False, ) coreconfigitem( b'server', b'maxhttpheaderlen', default=1024, ) coreconfigitem( b'server', b'pullbundle', default=False, ) coreconfigitem( b'server', b'preferuncompressed', default=False, ) coreconfigitem( b'server', b'streamunbundle', default=False, ) coreconfigitem( b'server', b'uncompressed', default=True, ) coreconfigitem( b'server', b'uncompressedallowsecret', default=False, ) coreconfigitem( b'server', b'view', default=b'served', ) coreconfigitem( b'server', b'validate', default=False, ) coreconfigitem( b'server', b'zliblevel', default=-1, ) coreconfigitem( b'server', b'zstdlevel', default=3, ) coreconfigitem( b'share', b'pool', default=None, ) coreconfigitem( b'share', b'poolnaming', default=b'identity', ) coreconfigitem( b'share', b'safe-mismatch.source-not-safe', default=b'abort', ) coreconfigitem( b'share', b'safe-mismatch.source-safe', default=b'abort', ) coreconfigitem( b'share', b'safe-mismatch.source-not-safe.warn', default=True, ) coreconfigitem( b'share', b'safe-mismatch.source-safe.warn', default=True, ) coreconfigitem( b'shelve', b'maxbackups', default=10, ) coreconfigitem( b'smtp', b'host', default=None, ) coreconfigitem( b'smtp', b'local_hostname', default=None, ) coreconfigitem( b'smtp', b'password', default=None, ) coreconfigitem( b'smtp', b'port', default=dynamicdefault, ) coreconfigitem( b'smtp', b'tls', default=b'none', ) coreconfigitem( b'smtp', b'username', default=None, ) coreconfigitem( b'sparse', b'missingwarning', default=True, experimental=True, ) coreconfigitem( b'subrepos', b'allowed', default=dynamicdefault, # to make backporting simpler ) coreconfigitem( b'subrepos', b'hg:allowed', default=dynamicdefault, ) coreconfigitem( b'subrepos', b'git:allowed', default=dynamicdefault, ) coreconfigitem( b'subrepos', b'svn:allowed', default=dynamicdefault, ) coreconfigitem( b'templates', b'.*', default=None, generic=True, ) coreconfigitem( b'templateconfig', b'.*', default=dynamicdefault, generic=True, ) coreconfigitem( b'trusted', b'groups', default=list, ) coreconfigitem( b'trusted', b'users', default=list, ) coreconfigitem( b'ui', b'_usedassubrepo', default=False, ) coreconfigitem( b'ui', b'allowemptycommit', default=False, ) coreconfigitem( b'ui', b'archivemeta', default=True, ) coreconfigitem( b'ui', b'askusername', default=False, ) coreconfigitem( b'ui', b'available-memory', default=None, ) coreconfigitem( b'ui', b'clonebundlefallback', default=False, ) coreconfigitem( b'ui', b'clonebundleprefers', default=list, ) coreconfigitem( b'ui', b'clonebundles', default=True, ) coreconfigitem( b'ui', b'color', default=b'auto', ) coreconfigitem( b'ui', b'commitsubrepos', default=False, ) coreconfigitem( b'ui', b'debug', default=False, ) coreconfigitem( b'ui', b'debugger', default=None, ) coreconfigitem( b'ui', b'editor', default=dynamicdefault, ) coreconfigitem( b'ui', b'detailed-exit-code', default=False, experimental=True, ) coreconfigitem( b'ui', b'fallbackencoding', default=None, ) coreconfigitem( b'ui', b'forcecwd', default=None, ) coreconfigitem( b'ui', b'forcemerge', default=None, ) coreconfigitem( b'ui', b'formatdebug', default=False, ) coreconfigitem( b'ui', b'formatjson', default=False, ) coreconfigitem( b'ui', b'formatted', default=None, ) coreconfigitem( b'ui', b'interactive', default=None, ) coreconfigitem( b'ui', b'interface', default=None, ) coreconfigitem( b'ui', b'interface.chunkselector', default=None, ) coreconfigitem( b'ui', b'large-file-limit', default=10000000, ) coreconfigitem( b'ui', b'logblockedtimes', default=False, ) coreconfigitem( b'ui', b'merge', default=None, ) coreconfigitem( b'ui', b'mergemarkers', default=b'basic', ) coreconfigitem( b'ui', b'message-output', default=b'stdio', ) coreconfigitem( b'ui', b'nontty', default=False, ) coreconfigitem( b'ui', b'origbackuppath', default=None, ) coreconfigitem( b'ui', b'paginate', default=True, ) coreconfigitem( b'ui', b'patch', default=None, ) coreconfigitem( b'ui', b'portablefilenames', default=b'warn', ) coreconfigitem( b'ui', b'promptecho', default=False, ) coreconfigitem( b'ui', b'quiet', default=False, ) coreconfigitem( b'ui', b'quietbookmarkmove', default=False, ) coreconfigitem( b'ui', b'relative-paths', default=b'legacy', ) coreconfigitem( b'ui', b'remotecmd', default=b'hg', ) coreconfigitem( b'ui', b'report_untrusted', default=True, ) coreconfigitem( b'ui', b'rollback', default=True, ) coreconfigitem( b'ui', b'signal-safe-lock', default=True, ) coreconfigitem( b'ui', b'slash', default=False, ) coreconfigitem( b'ui', b'ssh', default=b'ssh', ) coreconfigitem( b'ui', b'ssherrorhint', default=None, ) coreconfigitem( b'ui', b'statuscopies', default=False, ) coreconfigitem( b'ui', b'strict', default=False, ) coreconfigitem( b'ui', b'style', default=b'', ) coreconfigitem( b'ui', b'supportcontact', default=None, ) coreconfigitem( b'ui', b'textwidth', default=78, ) coreconfigitem( b'ui', b'timeout', default=b'600', ) coreconfigitem( b'ui', b'timeout.warn', default=0, ) coreconfigitem( b'ui', b'timestamp-output', default=False, ) coreconfigitem( b'ui', b'traceback', default=False, ) coreconfigitem( b'ui', b'tweakdefaults', default=False, ) coreconfigitem(b'ui', b'username', alias=[(b'ui', b'user')]) coreconfigitem( b'ui', b'verbose', default=False, ) coreconfigitem( b'verify', b'skipflags', default=None, ) coreconfigitem( b'web', b'allowbz2', default=False, ) coreconfigitem( b'web', b'allowgz', default=False, ) coreconfigitem( b'web', b'allow-pull', alias=[(b'web', b'allowpull')], default=True, ) coreconfigitem( b'web', b'allow-push', alias=[(b'web', b'allow_push')], default=list, ) coreconfigitem( b'web', b'allowzip', default=False, ) coreconfigitem( b'web', b'archivesubrepos', default=False, ) coreconfigitem( b'web', b'cache', default=True, ) coreconfigitem( b'web', b'comparisoncontext', default=5, ) coreconfigitem( b'web', b'contact', default=None, ) coreconfigitem( b'web', b'deny_push', default=list, ) coreconfigitem( b'web', b'guessmime', default=False, ) coreconfigitem( b'web', b'hidden', default=False, ) coreconfigitem( b'web', b'labels', default=list, ) coreconfigitem( b'web', b'logoimg', default=b'hglogo.png', ) coreconfigitem( b'web', b'logourl', default=b'https://mercurial-scm.org/', ) coreconfigitem( b'web', b'accesslog', default=b'-', ) coreconfigitem( b'web', b'address', default=b'', ) coreconfigitem( b'web', b'allow-archive', alias=[(b'web', b'allow_archive')], default=list, ) coreconfigitem( b'web', b'allow_read', default=list, ) coreconfigitem( b'web', b'baseurl', default=None, ) coreconfigitem( b'web', b'cacerts', default=None, ) coreconfigitem( b'web', b'certificate', default=None, ) coreconfigitem( b'web', b'collapse', default=False, ) coreconfigitem( b'web', b'csp', default=None, ) coreconfigitem( b'web', b'deny_read', default=list, ) coreconfigitem( b'web', b'descend', default=True, ) coreconfigitem( b'web', b'description', default=b"", ) coreconfigitem( b'web', b'encoding', default=lambda: encoding.encoding, ) coreconfigitem( b'web', b'errorlog', default=b'-', ) coreconfigitem( b'web', b'ipv6', default=False, ) coreconfigitem( b'web', b'maxchanges', default=10, ) coreconfigitem( b'web', b'maxfiles', default=10, ) coreconfigitem( b'web', b'maxshortchanges', default=60, ) coreconfigitem( b'web', b'motd', default=b'', ) coreconfigitem( b'web', b'name', default=dynamicdefault, ) coreconfigitem( b'web', b'port', default=8000, ) coreconfigitem( b'web', b'prefix', default=b'', ) coreconfigitem( b'web', b'push_ssl', default=True, ) coreconfigitem( b'web', b'refreshinterval', default=20, ) coreconfigitem( b'web', b'server-header', default=None, ) coreconfigitem( b'web', b'static', default=None, ) coreconfigitem( b'web', b'staticurl', default=None, ) coreconfigitem( b'web', b'stripes', default=1, ) coreconfigitem( b'web', b'style', default=b'paper', ) coreconfigitem( b'web', b'templates', default=None, ) coreconfigitem( b'web', b'view', default=b'served', experimental=True, ) coreconfigitem( b'worker', b'backgroundclose', default=dynamicdefault, ) # Windows defaults to a limit of 512 open files. A buffer of 128 # should give us enough headway. coreconfigitem( b'worker', b'backgroundclosemaxqueue', default=384, ) coreconfigitem( b'worker', b'backgroundcloseminfilecount', default=2048, ) coreconfigitem( b'worker', b'backgroundclosethreadcount', default=4, ) coreconfigitem( b'worker', b'enabled', default=True, ) coreconfigitem( b'worker', b'numcpus', default=None, ) # Rebase related configuration moved to core because other extension are doing # strange things. For example, shelve import the extensions to reuse some bit # without formally loading it. coreconfigitem( b'commands', b'rebase.requiredest', default=False, ) coreconfigitem( b'experimental', b'rebaseskipobsolete', default=True, ) coreconfigitem( b'rebase', b'singletransaction', default=False, ) coreconfigitem( b'rebase', b'experimental.inmemory', default=False, )