#!/bin/bash

# THIS FILE IS PART OF THE CYLC SUITE ENGINE.
# Copyright (C) 2008-2018 NIWA & British Crown (Met Office) & Contributors.
#
# This program 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.
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

usage() {
    echo "Usage: cylc [license] warranty [--help]"
    echo "Cylc is release under the GNU General Public License v3.0"
    echo "This command prints the GPL v3.0 license in full."
    echo ""
    echo "Options:"
    echo "  --help   Print this usage message."
}

if [[ $# != 0 ]]; then
    usage
    if [[ $1 == "--help" ]]; then
        exit 0
    else
        echo "ERROR: illegal command line arguments"
        exit 1
    fi
fi

echo
echo "The GNU General Public License v3.0"
echo
cat $CYLC_DIR/COPYING
echo
