# 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,

    repository,

)

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

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

        kwargs[r'narrow'] = True

    if kwargs.get(r'depth'):

        try:

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

        except ValueError:

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

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

def featuresetup(ui, features):

    features.add(repository.NARROW_REQUIREMENT)

def extsetup(ui):

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

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

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

    if not hasinclude:

        entry[1].append(('', 'include', [],

                         _('pattern of file/directory to clone')))

        entry[1].append(('', 'exclude', [],

                         _('pattern of file/directory to not clone')))

    if not hasdepth:

        entry[1].append(('', 'depth', '',

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

    localrepo.featuresetupfuncs.add(featuresetup)