cmd/syncthing: Trigger usage message on extra CLI parameters

fixes: #3690 GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3763
2016-11-27 11:21:05 +00:00 · 2016-11-27 11:21:05 +00:00 · ab1739ba34
parent fc1430aa92
commit ab1739ba34
1 changed files with 5 additions and 0 deletions
--- a/cmd/syncthing/main.go
+++ b/cmd/syncthing/main.go
@ -278,6 +278,11 @@ func parseCommandLineOptions() RuntimeOptions {
 	flag.Usage = usageFor(flag.CommandLine, usage, longUsage)
 	flag.Parse()

+	if len(flag.Args()) > 0 {
+		flag.Usage()
+		os.Exit(2)
+	}
+
 	return options
 }