# ProteanOS Development Kit
# lib/cmd/help.sh
# "help" command
#
# Copyright (C) 2013  Patrick "P. J." McDermott
#
# 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/>.

cmd_help_main()
{
	local cmd=

	if [ ${#} -eq 1 ]; then
		cmd="${1}"
		if is_cmd "${cmd}"; then
			print_cmd_usage "${cmd}"
			return 0
		fi
	fi

	printf "$(get_msg 'cmd_help_head')\n\n" "${0}"

	printf "$(get_msg 'cmd_help_opts_head')\n"
	print_opt_summaries
	printf '\n'

	printf "$(get_msg 'cmd_help_summary_head')\n"
	print_cmd_summaries
}