setup-alpine: only run setup-apklub if sys disk mode wasnt selected

setup-alpine.in

@@ -80,4 +80,6 @@ $PREFIX/sbin/setup-ntp
 DEFAULT_DISK=none \
 	$PREFIX/sbin/setup-disk -q
 
-$PREFIX/sbin/setup-apklbu -i
+if ![ "`cat /tmp/alpine-install-diskmode.out`" = "sys" ]; then
+	$PREFIX/sbin/setup-apklbu -i
+fi

setup-disk.in

@@ -941,3 +941,4 @@ none) exit 0;;
 *) echo "Not a valid install mode: $DISK_MODE" >&2; exit 1;;
 esac
 
+echo "$DISK_MODE" > /tmp/alpine-install-diskmode.out