kiss-vm: improve _vmdelete() code

Signed-off-by: Jianhong Yin <[email protected]>

kiss-vm

@@ -118,9 +118,15 @@ _vmdelete() {
 	fi
 
 	echo -e "\n{VM:INFO} => dist removing VM $_vmname .."
-	virsh destroy $_vmname 2>/dev/null
-	sleep 1
-	virsh undefine $_vmname --remove-all-storage --nvram
+	virsh destroy $_vmname 2>/dev/null; sleep 0.5
+	_std=$(virsh undefine $_vmname --remove-all-storage --nvram 2>&1)
+	if grep -q "error: Refusing to undefine while domain managed save image exists" <(echo "$_std"); then
+		virsh managedsave-remove $_vmname 2>/dev/null
+		virsh undefine $_vmname --remove-all-storage --nvram
+	else
+		echo "$_std"
+	fi
+
 	if [[ "$_vmdir" = $VMSHOME/?*/$_vmname ]]; then
 		echo -e "- {VM:INFO} removing VM folder $_vmdir ..."
 		rm -f $_vmdir/{url,nohup.log,ext4.qcow2,xfs.qcow2,vm.xml,qemu.argv,.kiss-vm}