#!/bin/sh

#
#  helper script: generate the ROM image release archives
#
#	Copyright (C) 2015 Francis Rowe <info@gluglug.org.uk>
#	Copyright (C) 2015 Patrick "P. J." McDermott <pj@pehjota.net>
#
#    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

if [ ! -d bin/ ]; then
	printf "build/release/roms: no bin/ directory exists. (you haven't built any images)\n"
	exit 1
fi

if [ -f "version" ]; then
	# _src release archive is being used
	version="$(cat version)"
else
	# git repo is being used
	version="$(git describe --tags HEAD)"
fi
versiondir="release/${version}"
romdir="${versiondir}/rom"
distname="libreboot_${version}"

[ -d "${romdir}/" ] || mkdir -p "${romdir}/"

printf 'Building ROM image release archives for...\n'

cd "bin/"
for board in *; do
	printf '...%s' "${board}"

	# Put the version string in the archive.
	printf '%s\n' "${version}" >"${board}/version"

	# Delete the old archive
	rm -f "../${romdir}/${distname}_${board}.tar.xz"

	cp -R "${board}/" "${distname}_${board}/"

	# Create the compressed archive.
	tar -c "${distname}_${board}/" | xz -9e >"../${romdir}/${distname}_${board}.tar.xz"

	rm -Rf "${distname}_${board}/"

	# No longer needed.
	rm -f "${board}/version"

	printf ' OK\n'
done
cd "../"

printf 'ROM image release archives are stored in %s/\n' "${romdir}"
