build_release() {
	local RELEASE_DIR="$1"

	local ROOTFS_SQFS=$(find $PKGDEPLOYDIR/rootfs-${CFG}/ -name '*.img')

	local rootfs_image=$(basename $ROOTFS_SQFS)
	local bootdir="$RELEASE_DIR/boot"

	mkdir -p "$bootdir"
	cp -r ${PKGDEPLOYDIR}/linux-rpi3/* "$bootdir"
	cp -r ${PKGDEPLOYDIR}/boot-rpi3/* "$bootdir"
	cp "$SCRIPTDIR/cfg/$CFG/cmdline.txt" "$bootdir"
	cp "$ROOTFS_SQFS" "$bootdir"
	sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$bootdir/cmdline.txt"

	cp "$SCRIPTDIR/cfg/$CFG/install.sh" "$RELEASE_DIR"
	cp "$SCRIPTDIR/cfg/$CFG/genimage.sh" "$RELEASE_DIR"
}