allow running one-shot scripts without serving HTTP

1 files changed, 5 insertions, 2 deletions

diff --git a/main.go b/main.go
index 677de94..09ebd01 100644
--- a/main.go
+++ b/main.go
@@ -379,8 +379,11 @@ func main() {
 		}
 	}()
 
-	log.Printf("luna is running at %s...", *lAddr)
-	log.Fatal(http.ListenAndServe(*lAddr, mux))
+	if len(routes) > 0 {
+		log.Printf("luna is running at %s...", *lAddr)
+		log.Fatal(http.ListenAndServe(*lAddr, mux))
+	}
+	log.Printf("no HTTP-routes were registered, exiting...")
 }
 
 func printUsage() {