Start fastd only if there are fastd peers left

Signed-off-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Tobias Klaus <tk+ff@meskal.net>
Tested-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

src/packages/fff/fff-vpn-select/files/usr/sbin/vpn-select

@@ -67,7 +67,8 @@ if ping -w5 -c3 "$test_ipv4_host1" &>/dev/null ||
             uci commit fastd
         fi
         make_config
-        /etc/init.d/fastd start
+        # start fastd only if there are some peers left
+        [ "$(ls /etc/fastd/${project}/peers/* 2>/dev/null)" ] && /etc/init.d/fastd start
         /etc/init.d/tunneldigger start
     else
         # check if new tunneldigger conf is different