--- elwix/build_kernel.sh	2021/08/30 21:41:15	1.8.4.1
+++ elwix/build_kernel.sh	2021/09/14 12:00:33	1.8.4.2
@@ -5,7 +5,7 @@
 # (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
 #    by Michael Pounov <misho@elwix.org>
 #
-# $Id: build_kernel.sh,v 1.8.4.1 2021/08/30 21:41:15 misho Exp $
+# $Id: build_kernel.sh,v 1.8.4.2 2021/09/14 12:00:33 misho Exp $
 #
 
 [ -r ./config/rc.elwix ] && . ./config/rc.elwix
@@ -71,26 +71,45 @@ install_kernel()
 
 ### main()
 if [ -n "${1}" ]; then
-	rm ${KERN_ROOTFS}/elwix.ver
+	case "${1}" in
+		rootfs)
+			rm ${KERN_ROOTFS}/elwix.ver
+			;;
+		base)
+			rm ${KERN}/elwix.ver
+			;;
+		both)
+			rm ${KERN_ROOTFS}/elwix.ver
+			rm ${KERN}/elwix.ver
+			;;
+		*)
+			echo "Error:: unknown argument. Please, choose which kind of kernel [base|rootfs|both]?"
+			exit 1
+			;;
+	esac
+else
+	echo "Error:: missing argument. Please, choose which kind of kernel [base|rootfs|both]?"
+	exit 1
 fi
-if [ -n "${2}" ]; then
-	rm ${KERN}/elwix.ver
-fi
 
-if ! SnitVer ${KERN}/elwix.ver; then
-	clean_kernel ${KERN} ${KERNCONF}
-	build_kernel ${KERN} ${KERNCONF}
-	install_kernel ${KERN} ${KERNCONF}
-else
-	echo "Skipped ELWIX Kernel build ..."
+if [ "${1}" = "base" -o "${1}" = "both" ]; then
+	if ! SnitVer ${KERN}/elwix.ver; then
+		clean_kernel ${KERN} ${KERNCONF}
+		build_kernel ${KERN} ${KERNCONF}
+		install_kernel ${KERN} ${KERNCONF}
+	else
+		echo "Skipped ELWIX Kernel build ..."
+	fi
 fi
 
-if ! SnitVer ${KERN_ROOTFS}/elwix.ver; then
-	clean_kernel ${KERN_ROOTFS} ${KERNCONF_ROOTFS}
-	build_kernel ${KERN_ROOTFS} ${KERNCONF_ROOTFS}
-	install_kernel ${KERN_ROOTFS} ${KERNCONF_ROOTFS}
-else
-	echo "Skipped ELWIX rootfs Kernel build ..."
+if [ "${1}" = "rootfs" -o "${1}" = "both" ]; then
+	if ! SnitVer ${KERN_ROOTFS}/elwix.ver; then
+		clean_kernel ${KERN_ROOTFS} ${KERNCONF_ROOTFS}
+		build_kernel ${KERN_ROOTFS} ${KERNCONF_ROOTFS}
+		install_kernel ${KERN_ROOTFS} ${KERNCONF_ROOTFS}
+	else
+		echo "Skipped ELWIX rootfs Kernel build ..."
+	fi
 fi
 
-echo "+++ Complete build ELWIX Kernels"
+echo "+++ Complete build ELWIX Kernels ${1}"