#!/usr/bin/env bash

#
#  helper script: generate deblobbed stable u-boot source code releases
#
#	Copyright (C) 2020,2021 Leah Rowe <info@minifree.org>
#	Copyright (C) 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.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

version="2021.07"
revision="r1"

topdir="$(realpath $(dirname $(realpath $0))/../../../../)"
tmpdir="${topdir}/release/u-boot-libre/${version}-${revision}/u-boot-libre-${version}-${revision}"
tarball="${tmpdir}.tar"

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

cd "${topdir}"
"${topdir}/download" u-boot

rm -rf \
   "${tmpdir}/" \
   "${tarball}" \
   "${tarball}.lz" \
   "${tarball}.xz"

mkdir -p "$(dirname ${tmpdir})"
cp -R "u-boot/u-boot/" "${tmpdir}"

rm -rf ${tmpdir}/.git ${tmpdir}/.gitignore
make -C ${tmpdir} distclean

prefix="$(dirname ${tmpdir} | sed 's#^/*##')/"
tar cf "${tarball}" "${tmpdir}" \
    --transform="s#${prefix}##" \
    --format=gnu \
    --sort=name \
    --owner=0 --group=0 --numeric-owner \
    --mtime="1970-01-01" \

lzip -9 --keep -vv "${tarball}"
xz   -9 --keep -vv "${tarball}"

rm -rf "${tmpdir}/"

printf "Source code archives available at:\n\t%s\n\t%s\n\t%s\n" \
       "${tarball}" \
       "${tarball}.lz" \
       "${tarball}.xz"