Show version info in server log

main.go

@@ -100,9 +100,7 @@ func main() {
 	flag.Parse()
 
 	if versionFlag != nil && *versionFlag {
-		fmt.Printf("netgiv %s, built at %s\n", version, date)
-		fmt.Printf("commit: %s\n", commit)
-		fmt.Print("http://github.com/tardisx/netgiv\n")
+		fmt.Print(versionInfo(true))
 		os.Exit(0)
 	}
 
@@ -212,3 +210,13 @@ environment variable. This may be preferable in some environments.
 		}
 	}
 }
+
+func versionInfo(verbose bool) string {
+	out := ""
+	out += fmt.Sprintf("netgiv %s, built at %s\n", version, date)
+	if verbose {
+		out += fmt.Sprintf("commit: %s\n", commit)
+		out += fmt.Sprintf("http://github.com/tardisx/netgiv\n")
+	}
+	return out
+}

server.go

@@ -42,6 +42,7 @@ var ngfs []NGF
 var globalId uint32
 
 func (s *Server) Run() {
+	log.Info(versionInfo(false))
 	log.Infof("starting server on :%d", s.port)
 	address := fmt.Sprintf(":%d", s.port)
 	networkAddress, _ := net.ResolveTCPAddr("tcp", address)