DEPENDS="rootfs linux"

build() {
	local SOURCE="$1"
	local BUILD="$2"
	local DEPLOY="$3"

	# copy output of immediate dependencies
	for pkgname in $DEPENDS; do
		if [ -e "$PKGDEPLOYDIR/$pkgname" ]; then
			cp -ru ${PKGDEPLOYDIR}/${pkgname}/* "$BUILD"
		fi
	done

	# copy additional files from this package, subsitute filenames
	local linux_image=$(basename $BUILD/vmlinuz*)
	local rootfs_image="rootfs.img"

	cp "/usr/share/syslinux/mbr.bin" "$BUILD"

	for script in install.sh genimage.sh syslinux.cfg; do
		cp "$SCRIPTDIR/$PKGDIR/$PKGNAME/$script" "$BUILD"

		sed -i 's/ROOTFSFILE/'$rootfs_image'/g' "$BUILD/$script"
		sed -i 's/KERNELFILE/'$linux_image'/g' "$BUILD/$script"
	done
}

deploy() {
	local SOURCE="$1"
	local BUILD="$2"
	local DEPLOY="$3"

	pushd "$PKGBUILDDIR" > /dev/null
	tar czf "$DEPLOY/$PKGNAME.tar.gz" "${PKGDIR}-${PKGNAME}"
	popd > /dev/null
}