#!/usr/bin/env sh
# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2020,2021,2023 Leah Rowe <leah@libreboot.org>

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

. "include/err.sh"

trees_fetch_list="coreboot u-boot seabios"
simple_fetch_list="flashrom grub memtest86plus me_cleaner uefitool"
simple_fetch_list="${simple_fetch_list} bios_extract biosutilities"
download_only_list="pico-serprog stm32-vserprog"

dirlist="config util script include"
linklist="update" # symlinks in main directory, to script: lbmk
filelist="build README.md COPYING version versiondate projectname .gitignore"

eval "$(setvars "" reldir dirname srcdir)"

printf "Building source code archive, version %s\n" "${version}"

main()
{
	create_release_directory
	download_modules
	copy_files
	purge_files

	create_release_archive
	printf "Source code archive available at %s.tar.xz\n\n" "${srcdir}"
}

create_release_directory()
{
	reldir="release/${version}"
	dirname="${projectname}-${version}_src"
	srcdir="${reldir}/${dirname}"

	xx_ mkdir -p "${reldir}"
	xx_ rm -Rf "${srcdir}" "${srcdir}.tar.xz"
	xx_ mkdir -p "${srcdir}"
}

download_modules()
{
	for modname in ${trees_fetch_list}; do
		[ -d "src/${modname}" ] || xx_ ./update project trees ${modname}
	done
	for modname in ${simple_fetch_list} ${download_only_list}; do
		[ -d "src/${modname}/" ] || xx_ ./update project repo ${modname}
	done
}

copy_files()
{
	xx_ cp -R "src" "${srcdir}/src"
	for dir in ${trees_fetch_list}; do
		xx_ rm -Rf "${srcdir}/src/${dir}/${dir}"
	done
	for dir in ${dirlist}; do
		xx_ cp -R "${dir}/" "${srcdir}/"
	done

	for i in ${filelist}; do
		[ -f "${i}" ] || fail "copy_files: '${i}' does not exist"
		xx_ cp "${i}" "${srcdir}/"
	done
	(
	xx_ cd "${srcdir}/"
	for i in ${linklist}; do
		xx_ ln -s build "${i}"
	done
	)
}

purge_files()
{
	(
	xx_ cd "${srcdir}"
	[ ! -d "src/coreboot/default/util/kbc1126" ] || \
	    xx_ ./update project build -c "src/coreboot/default/util/kbc1126"
	xx_ ./update project build -x coreboot
	for p in u-boot seabios coreboot; do
		xx_ ./update project build -c "${p}"
	done
	xx_ ./update project build -c bios_extract flashrom grub uefitool \
	    stm32-vserprog stm32-vserprog/libopencm3 util/* memtest86plus

	xx_ rm -Rf .git */.git* */*/.git* */*/*/.git* */*/*/*/.git* \
	    */*/*/*/*/.git* */*/*/*/*/*/.git* */*/*/*/*/*/*/.git* \
	    */*/*/*/*/*/*/*/.git*
	xx_ rm -Rf cbutils elf src/pico-serprog/build
	)
}

create_release_archive()
{
	(
	xx_ cd "${reldir}/"
	xx_ tar -c "${dirname}/" | xz -T0 -9e >"${dirname}.tar.xz"
	xx_ rm -Rf "${dirname}/"
	)
}

fail()
{
	[ -z ${srcdir} ] || rm -Rf "${srcdir}" 1>/dev/null 2>/dev/null || :
	fail "${1}"
}

main $@