Add info command

[people/ms/firmware-update.git] / src / firmware-update.in

#!/bin/bash
###############################################################################
#                                                                             #
# firmware-update - IPFire Firmware Update Tool                               #
# Copyright (C) 2019 IPFire Development Team                                  #
#                                                                             #
# 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/>.       #
#                                                                             #
###############################################################################

PACKAGE_NAME="@PACKAGE_NAME@"
PACKAGE_VERSION="@PACKAGE_VERSION@"

read_dmi() {
	local what="${1}"

	# Return an error when what is empty
	[ -z "${what}" ] && return 2

	local file="/sys/class/dmi/id/${what}"

	# Read file
	if [ -r "${file}" ]; then
		printf "%s" "$(<${file})"
		return 0
	fi

	# File could not be read
	return 1
}

board_string() {
	printf "%s %s\n" \
		"$(read_dmi "board_vendor")" \
		"$(read_dmi "board_name")"
}

board_version() {
	read_dmi "board_version"
}

board_serial() {
	read_dmi "board_serial"
}

bios_version() {
	read_dmi "bios_version"
}

bios_date() {
	read_dmi "bios_date"
}

main() {
	local action="${1}"
	shift

	case "${action}" in
		info)
			printf "%-12s: %s\n" "Board" "$(board_string)"
			printf "%-12s: %s\n" "HW Version" "$(board_version)"
			printf "%-12s: %s\n" "Serial" "$(board_serial)"
			printf "%-12s: %s (%s)\n" "BIOS Version" \
				"$(bios_version)" "$(bios_date)"
			return 0
			;;

		version)
			echo "${PACKAGE_NAME}: Version ${PACKAGE_VERSION}"
			return 0
			;;

		"")
			echo "No command given" >&2
			return 2
			;;

		*)
			echo "Invalid command: ${action}" >&2
			return 2
			;;
	esac
}

# Call main
main "$@" || exit ${?}