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#!/usr/bin/env bash

#  helper script: modify U-Boot configs (run make menuconfig)
#
#	Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
#	Copyright (C) 2023 Leah Rowe <info@minifree.org>
#
#	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/>.

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

main()
{
	printf "Modifying U-Boot configs\n"

	if [ $# -gt 0 ]; then
		for board in "${@}"; do
			modifyconf "${board}"
		done
	else
		for board in resources/u-boot/*; do
			if [ ! -d "${board}" ]; then
				continue
			fi
			modifyconf "${board##*/}"
		done
	fi
}

# Build ROM images for supported boards
modifyconf()
{
	board="$1"
	if [ ! -f "resources/u-boot/${board}/board.cfg" ]; then
		printf "\nmodify/config/u-boot: no board.cfg for: %s\n" \
				"${board}"
		return 0
	fi

	ubtree="undefined"
	source "resources/u-boot/${board}/board.cfg" # source

	if [ "${ubtree}" = "undefined" ]; then
		return 0
	fi
	ubdir="u-boot/${ubtree}"

	if [ ! -d "${ubdir}" ]; then
		./download u-boot ${ubtree}
	fi

	for ubcfg in resources/u-boot/${board}/config/*; do
		if [ ! -f ${ubcfg} ]; then
			continue
		fi
		make distclean -BC "${ubdir}"
		mv "${ubcfg}" "${ubdir}/.config"
		make menuconfig -BC "${ubdir}"
		mv "${ubdir}/.config" "${ubcfg}"
		make distclean -BC "${ubdir}"
	done
}

main $@