#!/bin/sh
#
# Copyright (C) 2013, 2014  Etersoft
# Copyright (C) 2013, 2014  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-install


__check_command_in_path()
{
    PATH=$PATH:/sbin:/usr/sbin which "$1" 2>/dev/null
}


# Do fast checking for command and install package if the command does not exist

# $1 - command name
# $2 - package name

__epm_assure()
{
    if __check_command_in_path "$1" >/dev/null ; then
        if [ -n "$verbose" ] ; then
            local compath="$(__check_command_in_path "$1")"
            echo "Command $1 is exists: $compath"
            epm qf "$compath"
        fi
        return
    fi

    # TODO: use package name normalization
    echo "Install appropriate package for $1 command..."

    local PACKAGE="$2"
    [ -n "$PACKAGE" ] || PACKAGE="$1"
    #epm install $2

    # copied from epm_install
    local names="$(echo "$PACKAGE" | filter_out_installed_packages)"

    non_interactive=1 epm_install_names $names
}


epm_assure()
{
    [ -n "$pkg_filenames" ] || fatal "Run assure without params"

    # use helper func for extract separate params
    __epm_assure $pkg_filenames
}