#!/bin/bash
[ -z "$BB_GIT" ]    && declare -rg BB_GIT="git://git.busybox.net/busybox"
[ -z "$BB_BRANCH" ] && declare -rg BB_BRANCH="1_31_1"

build() (
	local base_url="https://git.openslx.org/openslx-ng/mltk.git/plain/core/modules/busybox/"
	set -e
	git clone --depth 1 "$BB_GIT" --branch "$BB_BRANCH" "${moddir}/src"
	# apply patches
	cd "${moddir}/src"
	for _patch in "$base_url"/{fbsplash-fillbg,1_31_1-stime,rtcwake-compat,timeout-compat}.patch ; do
		curl "$_patch" | git apply - || derror "Failed to apply: $_patch"
	done
	cp "${moddir}/openslx.config" "${moddir}/src/.config"
	yes '' | make oldconfig
	make -j busybox
	cd - &> /dev/null
)

check() {
	if ! [ -x "${moddir}/src/busybox" ] && ! build; then
		derror "Failed to build busybox."
		kill $$
		return 1
	fi
	return 255
}

depends() {
	echo ""
}

install() {
	if [ ! -s "${moddir}/src/busybox" ]; then
		derror "Failed to find busybox binary in build directory!"
		return 1
	fi
	inst "${moddir}/src/busybox" "/bin/busybox"
	inst_hook cmdline 00 "${moddir}/install-busybox.sh"
	inst_hook pre-pivot 50 "${moddir}/install-busybox-stage4.sh"
}