epm-installed

#!/bin/sh
#
# Copyright (C) 2012, 2013, 2015-2017, 2021  Etersoft
# Copyright (C) 2012, 2013, 2015-2017, 2021  Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

load_helper epm-query


# fill pkg_installed and pkg_noninstalled
separate_installed()
{
    pkg_installed=
    pkg_noninstalled=
    for i in "$@" ; do
        is_installed $i && pkg_installed="$pkg_installed $i" || pkg_noninstalled="$pkg_noninstalled $i"
    done
}

epm_installed()
{
    [ -n "$pkg_names" ] || fatal "is_installed: package name is missed"
    is_installed "$pkg_names"
}