mercurial/configitems.py

phabricator: add node and p1 to hg:meta property

The "hg:meta" property is for extra metadata to reconstruct the patch.
Previously it does not have node or parent information since I think by
reading the patch again, the commit message will be mangled (like, added the
"Differential Revision" line) and we cannot preserve the commit hash.

However, the "parent" information could be useful. It could be helpful to
locate the "base revision" so in case of a conflict applying the patch
directly, we might be able to use 3-way merge to resolve it correctly.

Note: "local:commits" is an existing "property" used by Phabricator that has
the node and parent information. However, it lacks of timezone information
and requires "author" and "authorEmail" to be separated. So we are using a
different "property" - "hg:meta" to be distinguished from "local:commits".

# configitems.py - centralized declaration of configuration option
#
#  Copyright 2017 Pierre-Yves David <[e-mail]>
#
# 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

from . import (
    error,
)

def loadconfigtable(ui, extname, configtable):
    """update config item known to the ui with the extension ones"""
    for section, items in configtable.items():
        knownitems = ui._knownconfig.setdefault(section, {})
        knownkeys = set(knownitems)
        newkeys = set(items)
        for key in sorted(knownkeys & newkeys):
            msg = "extension '%s' overwrite config item '%s.%s'"
            msg %= (extname, section, key)
            ui.develwarn(msg, config='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,
    """

    def __init__(self, section, name, default=None):
        self.section = section
        self.name = name
        self.default = default

coreitems = {}

def _register(configtable, *args, **kwargs):
    item = configitem(*args, **kwargs)
    section = configtable.setdefault(item.section, {})
    if item.name in section:
        msg = "duplicated config item registration for '%s.%s'"
        raise error.ProgrammingError(msg % (item.section, item.name))
    section[item.name] = item

# Registering actual config items

def getitemregister(configtable):
    return functools.partial(_register, configtable)

coreconfigitem = getitemregister(coreitems)

coreconfigitem('auth', 'cookiefile',
    default=None,
)
# bookmarks.pushing: internal hack for discovery
coreconfigitem('bookmarks', 'pushing',
    default=list,
)
# bundle.mainreporoot: internal hack for bundlerepo
coreconfigitem('bundle', 'mainreporoot',
    default='',
)
# bundle.reorder: experimental config
coreconfigitem('bundle', 'reorder',
    default='auto',
)
coreconfigitem('color', 'mode',
    default='auto',
)
coreconfigitem('devel', 'all-warnings',
    default=False,
)
coreconfigitem('devel', 'bundle2.debug',
    default=False,
)
coreconfigitem('devel', 'check-locks',
    default=False,
)
coreconfigitem('devel', 'check-relroot',
    default=False,
)
coreconfigitem('devel', 'disableloaddefaultcerts',
    default=False,
)
coreconfigitem('devel', 'legacy.exchange',
    default=list,
)
coreconfigitem('devel', 'servercafile',
    default='',
)
coreconfigitem('devel', 'serverexactprotocol',
    default='',
)
coreconfigitem('devel', 'serverrequirecert',
    default=False,
)
coreconfigitem('devel', 'strip-obsmarkers',
    default=True,
)
coreconfigitem('format', 'aggressivemergedeltas',
    default=False,
)
coreconfigitem('format', 'chunkcachesize',
    default=None,
)
coreconfigitem('format', 'dotencode',
    default=True,
)
coreconfigitem('format', 'generaldelta',
    default=False,
)
coreconfigitem('format', 'manifestcachesize',
    default=None,
)
coreconfigitem('format', 'maxchainlen',
    default=None,
)
coreconfigitem('format', 'obsstore-version',
    default=None,
)
coreconfigitem('format', 'usefncache',
    default=True,
)
coreconfigitem('format', 'usegeneraldelta',
    default=True,
)
coreconfigitem('format', 'usestore',
    default=True,
)
coreconfigitem('hostsecurity', 'ciphers',
    default=None,
)
coreconfigitem('hostsecurity', 'disabletls10warning',
    default=False,
)
coreconfigitem('patch', 'eol',
    default='strict',
)
coreconfigitem('patch', 'fuzz',
    default=2,
)
coreconfigitem('progress', 'assume-tty',
    default=False,
)
coreconfigitem('progress', 'clear-complete',
    default=True,
)
coreconfigitem('progress', 'estimate',
    default=2,
)
coreconfigitem('server', 'bundle1',
    default=True,
)
coreconfigitem('server', 'bundle1gd',
    default=None,
)
coreconfigitem('server', 'compressionengines',
    default=list,
)
coreconfigitem('server', 'concurrent-push-mode',
    default='strict',
)
coreconfigitem('server', 'disablefullbundle',
    default=False,
)
coreconfigitem('server', 'maxhttpheaderlen',
    default=1024,
)
coreconfigitem('server', 'preferuncompressed',
    default=False,
)
coreconfigitem('server', 'uncompressedallowsecret',
    default=False,
)
coreconfigitem('server', 'validate',
    default=False,
)
coreconfigitem('server', 'zliblevel',
    default=-1,
)
coreconfigitem('ui', 'clonebundleprefers',
    default=list,
)
coreconfigitem('ui', 'interactive',
    default=None,
)
coreconfigitem('ui', 'quiet',
    default=False,
)
# Windows defaults to a limit of 512 open files. A buffer of 128
# should give us enough headway.
coreconfigitem('worker', 'backgroundclosemaxqueue',
    default=384,
)
coreconfigitem('worker', 'backgroundcloseminfilecount',
    default=2048,
)
coreconfigitem('worker', 'backgroundclosethreadcount',
    default=4,
)
coreconfigitem('worker', 'numcpus',
    default=None,
)