f

check_systemd_service.sh

@@ -2,7 +2,7 @@
 
 function usage {
   echo "Usage:
-  -u [UNIT name]
+  -u [UNIT name] (required)
   -t Service is triggered by a timer or is a oneshot service. Is allowed to be inactive
   -d A service is allowed to not be enabled"
 }
@@ -37,6 +37,7 @@ shift $((OPTIND -1))
 
 # Check if UNIT name is provided
 if [ -z "$UNIT_NAME" ]; then
+  echo "Missing unit name."
   usage
   exit -1
 fi