remove-old-kernels: check for latest kernel

ALTBUG: #34314
When flavor specified, find out which kernel is latest and protect it
from removing.

remove-old-kernels

@@ -83,6 +83,15 @@ do
 	if [ "$current_kernel_flavour" = "$kernel_flavour" ] ; then
 		comparever="$(rpmevrcmp "$current_kernel_package" "$kernel")"
 		[ "$comparever" -lt 0 ] && continue
+	else
+		# check if kernel is latest with given flavour
+		latest=1
+		for kernel2 in $old_kernels
+		do
+			comparever="$(rpmevrcmp "$kernel" "$kernel2")"
+			[ "$comparever" -lt 0 ] && latest=0
+		done
+		[ "$latest" -eq 1 ] && continue
 	fi
 	echo "  $kernel"
 	apt_args_list="$apt_args_list $(rpm -q --queryformat '%{NAME}=%{EPOCH}:%{VERSION}-%{RELEASE}\n' $kernel \