wait for valid ip addr

nextiondriver.service

@@ -24,6 +24,7 @@ SLEEP=/bin/sleep
 USER=root
 GROUP=mmdvm
 LOGDIR=/var/log/pi-star
+ipVar=`hostname -I | cut -d' ' -f1`
 
 # Pre-flight checks...
 test -x ${DAEMON_PATH}${DAEMON} || exit 0
@@ -44,6 +45,11 @@ case "$1" in
 			echo -e "$DAEMON is already running as PID "`$PGREP $DAEMON`
 			exit 0;
 		else
+			# Wait for an IP address
+			until [ "$ipVar" != "" ]; do
+				sleep 10
+				ipVar=`hostname -I | cut -d' ' -f1`
+			done
 			nice -n -10 ${DAEMON_PATH}${DAEMON} ${DAEMON_OPTS}
 			echo -e "$DAEMON started as PID "`$PGREP $DAEMON`
 			exit 0;