'''enable experimental obsolescence feature of Mercurial

OBSOLESCENCE IS AN EXPERIMENTAL FEATURE MAKE SURE YOU UNDERSTOOD THE INVOLVED

CONCEPT BEFORE USING IT.

! THIS EXTENSION IS INTENDED FOR SERVER SIDE ONLY USAGE !

For client side usages it is recommended to use the evolve extension for

improved user interface.'''

from __future__ import absolute_import

import sys

import os

from mercurial import obsolete

try:

    from . import (

        compat,

        exthelper,

        metadata,

        obscache,

        obsexchange,

    )

except (ValueError, ImportError) as exc:

    if (isinstance(exc, ValueError)

        and str(exc) != b'Attempted relative import in non-package'):

        raise

    # extension imported using direct path

    sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

    from evolve import (

        compat,

        exthelper,

        metadata,

        obscache,

        obsexchange,

    )

__version__ = metadata.__version__

testedwith = metadata.testedwith

minimumhgversion = metadata.minimumhgversion

buglink = metadata.buglink

eh = exthelper.exthelper()

eh.merge(compat.eh)

eh.merge(obscache.eh)

eh.merge(obsexchange.eh)

uisetup = eh.finaluisetup

extsetup = eh.finalextsetup

reposetup = eh.finalreposetup

cmdtable = eh.cmdtable

configtable = eh.configtable

@eh.reposetup

def default2evolution(ui, repo):

    evolveopts = repo.ui.configlist(b'experimental', b'evolution')

    if not evolveopts:

        evolveopts = b'all'

        repo.ui.setconfig(b'experimental', b'evolution', evolveopts)

    if obsolete.isenabled(repo, b'exchange'):

        # if no config explicitly set, disable bundle1

        if not isinstance(repo.ui.config(b'server', b'bundle1'), bytes):

            repo.ui.setconfig(b'server', b'bundle1', False)