# pullext.py - Simple extension to test pulling

#

# Copyright 2018 Gregory Szorc <gregory.szorc@gmail.com>

#

# 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

from mercurial.i18n import _

from mercurial import (

    commands,

    error,

    extensions,

    localrepo,

    requirements,

)

def clonecommand(orig, ui, repo, *args, **kwargs):

    if kwargs.get('include') or kwargs.get('exclude'):

        kwargs['narrow'] = True

    if kwargs.get('depth'):

        try:

            kwargs['depth'] = int(kwargs['depth'])

        except ValueError:

            raise error.Abort(_('--depth must be an integer'))

    return orig(ui, repo, *args, **kwargs)

def featuresetup(ui, features):

    features.add(requirements.NARROW_REQUIREMENT)

def extsetup(ui):

    entry = extensions.wrapcommand(commands.table, b'clone', clonecommand)

    hasinclude = any(x[1] == b'include' for x in entry[1])

    hasdepth = any(x[1] == b'depth' for x in entry[1])

    if not hasinclude:

        entry[1].append(

            (b'', b'include', [], _(b'pattern of file/directory to clone'))

        )

        entry[1].append(

            (b'', b'exclude', [], _(b'pattern of file/directory to not clone'))

        )

    if not hasdepth:

        entry[1].append(

            (b'', b'depth', b'', _(b'ancestry depth of changesets to fetch'))

        )

    localrepo.featuresetupfuncs.add(featuresetup)