Fix some tests.

[lightning.git] / ref2genome.go

diff --git a/ref2genome.go b/ref2genome.go
index 058de169fb67612d01882f70f346c521c799f432..d6ba39611fe8e048e08da241bae87092be31ef18 100644 (file)
--- a/ref2genome.go
+++ b/ref2genome.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Lightning Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
 package lightning
 
 import (
@@ -48,6 +52,9 @@ func (cmd *ref2genome) RunCommand(prog string, args []string, stdin io.Reader, s
        } else if cmd.refFile == "" {
                err = errors.New("reference data (-ref) not specified")
                return 2
+       } else if flags.NArg() > 0 {
+               err = fmt.Errorf("errant command line arguments after parsed flags: %v", flags.Args())
+               return 2
        }
 
        if *pprof != "" {