#!/bin/bash

#
#  helper script: generate release archive (ROM images)
#
#I	Copyright (C) 2020 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

version="retroboot-version-unknown"

if [ ! -f "version" ]; then
    # if not tag specified, use timestamp
    if [ -d ".git/" ]; then
        version="$(git describe --tags HEAD)" \
            || version="$(git show --no-patch --no-notes --pretty='%ct' HEAD)" \
            || version="retroboot-version-unknown"
    fi
else
    version="$(cat version)"
fi

if [ "${version}" = "" ]; then
    version="retroboot-version-unknown"
fi

if [ ! -d "bin/" ]; then
    ./build retroboot roms
fi

[ ! -d "release/" ] && \
    mkdir -p release/
[ ! -d "release/${version}/" ] && \
    mkdir -p "release/${version}/"
[ -d "release/${version}/roms/" ] && \
    rm -Rf "release/${version}/roms/"
[ ! -d "release/${version}/roms/" ] && \
    mkdir -p "release/${version}/roms/"

printf "Building Retroboot ROM image archives for version %s\n" "${version}"

(
    cd bin/
    for target in *; do
        if [ ! -d "${target}/" ]; then
            continue
        fi

        printf "Generating release/%s/roms/retroboot%s_%s.tar.xz\n" "${version}" "${version}" "${target##*/}"
        tar -c "${target}/" | xz -9e >"../release/${version}/roms/retroboot${version}_${target##*/}.tar.xz"
    done
)

printf "\nROM image release archives available at release/%s/roms/\n\n" "${version}"

