#!/usr/bin/env bash

# Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr>
#
# 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/>.

arguments() {
	project_arguments_targets "${project}" "$@"
}

usage() {
	project_usage_actions "${project}"
	project_usage_arguments "${project}" "$@"
}

download() {
	local repository="${project}"

	project_download_git "${project}" "${repository}" 'https://git.savannah.gnu.org/r/grub.git' "$@"
}

download_check() {
	local repository="${project}"

	project_download_check_git "${project}" "${repository}" "$@"
}

extract() {
	project_extract "${project}" "$@"
}

extract_check() {
	project_extract_check "${project}" "$@"
}

update() {
	local repository="${project}"

	project_update_git "${project}" "${repository}" "$@"
}

update_check() {
	local repository="${project}"

	project_update_check_git "${project}" "${repository}" "$@"
}

build() {
	local repository="${project}"

	project_sources_directory_missing_empty_error "${project}" "${repository}" "$@"

	if git_project_check "${repository}"; then
		git_project_checkout "${project}" "${repository}" "$@"
	fi

	local project_path="$(project_path "${project}")"
	local sources_path="$(project_sources_path "${project}" "${repository}" "$@")"
	local build_path="$(project_build_path "${project}" "$@")"

	local -a grub_keymaps

	mapfile -t grub_install_modules < "${project_path}/${CONFIGS}/grub-install-modules"
	mapfile -t grub_load_modules < "${project_path}/${CONFIGS}/grub-load-modules"

	for keymap in "${project_path}/${CONFIGS}/keymap"/*; do
		if [[ -f "${keymap}" ]]; then
			grub_keymaps+=("/boot/grub/layouts/${keymap##*/}=${keymap}")
		fi
	done

	mkdir -p "${build_path}"

	(
		cd "${sources_path}"

		# Compile GRUB first
		./autogen.sh
		./configure --with-platform=coreboot
		make -j"${TASKS}"

		# Now compile GRUB ELF executable
		./grub-mkstandalone \
			--grub-mkimage=./grub-mkimage \
			--fonts='' \
			--themes='' \
			--locales='' \
			--modules="${grub_load_modules[*]}" \
			--install-modules="${grub_install_modules[*]}" \
			--directory=grub-core \
			-O i386-coreboot \
			-o grub.elf \
			/boot/grub/grub.cfg="${project_path}/${CONFIGS}/grub.cfg" \
			"${grub_keymaps[@]}"

		# Copy the ELF to its build directory
		cp grub.elf "${build_path}"

		# Tidy up
		make clean
	)
}

build_check() {
	project_build_check "${project}" "$@"
}

install() {
	project_install "${project}" "$@"
}

install_check() {
	project_install_check "${project}" "$@"
}

release() {
	local repository="${project}"

	project_release_install_archive "${project}" "${IMAGES}" "$@"
	project_release_sources_git "${project}" "${repository}" "$@"
}

release_check() {
	local repository="${project}"

	project_release_install_archive_check "${project}" "${IMAGES}" "$@"
	project_release_check_sources_git "${project}" "${repository}" "$@"
}

clean() {
	project_clean "${project}" "$@"
}