# -*- coding: utf-8; -*-
################################################################################
#
#  Rattail -- Retail Software Framework
#  Copyright © 2010-2017 Lance Edgar
#
#  This file is part of Rattail.
#
#  Rattail is free software: you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation, either version 3 of the License, or (at your option) any later
#  version.
#
#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
#  details.
#
#  You should have received a copy of the GNU General Public License along with
#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Fabric lib for Composer (PHP dependency manager)
"""

from __future__ import unicode_literals, absolute_import

from fabric.api import sudo
from fabric.contrib.files import exists

from rattail.fablib import make_deploy


deploy = make_deploy(__file__)


def install_composer(user=None):
    """
    Install `composer.phar` in current directory
    """
    if not exists('composer.phar'):
        deploy('composer/install-composer.sh', 'install-composer.sh')
        sudo('./install-composer.sh')
        sudo('rm install-composer.sh')
        if user:
            sudo('chown {}: composer.phar'.format(user))
