#!/usr/bin/env bash

#
#  helper script: generate release archive (source code)
#
#	Copyright (C) 2020,2021 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/>.
#

# This script assumes that the working directory is the root
# of git or release archive

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

projectname="$(cat projectname)"

version="version-unknown"
if [ -f version ]; then
	version="$(cat version)"
fi
versiondate="version-date-unknown"
if [ -f versiondate ]; then
	versiondate="$(cat versiondate)"
fi

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

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

[ ! -d "release/" ] && mkdir -p release/
[ ! -d "${reldir}/" ] && mkdir -p "${reldir}/"
[ -d "${srcdir}/" ] && \
    rm -Rf "${srcdir}/"
[ -f "${srcdir}.tar.xz" ] && \
    rm -f "${srcdir}.tar.xz/"

mkdir -p "${srcdir}/"

printf "%s" "${version}" > "${srcdir}"/version

modlist="coreboot flashrom grub memtest86plus seabios ich9utils"
dirlist="resources"
filelist="download build README.md COPYING Makefile update version versiondate projectname"

for modname in ${modlist}; do
    if [ ! -d "${modname}/" ]; then
        ./download ${modname}
    fi
done

for dir in ${modlist} ${dirlist}; do
    cp -R "${dir}/" "${srcdir}/"
done

for i in ${filelist}; do
    if [ ! -f "${i}" ]; then
        printf "build/release/src: ERROR: file '%s' does not exist.\n" "${i}"
        rm -Rf "${srcdir}"
        exit 1
    fi
    cp ${i} "${srcdir}/"
done

(
    cd "${srcdir}/coreboot/"
    for i in *; do
        [ ! -d "${i}" ] && continue
        (
            cd "${i}/"
            make distclean
        )
    done
)

(
    cd "${srcdir}/"
    ./build clean all

    rm -Rf coreboot/coreboot/
    rm -Rf .git* */.git* coreboot/*/.git* coreboot/*/3rdparty/*/.git*
    rm -Rf coreboot/*/util/nvidia/cbootimage/.git*
)

(
cd "${reldir}/"
printf "%s\n" "${version}" > "${dirname}/version"
printf "%s\n" "${versiondate}" > "${dirname}/versiondate"
printf "%s\n" "${projectname}" > "${dirname}/projectname"
tar -c "${dirname}/" | xz -9e >"${dirname}.tar.xz"
rm -Rf "${dirname}/"
)

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