X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/54781f3d3c1dea0e14542d129b1c8e061ad406fc..40f551004ab4e5f1d8ab02ddb55dca225ee8f6ac:/lib/diagnostics/cmd.go

diff --git a/lib/diagnostics/cmd.go b/lib/diagnostics/cmd.go
index b0241b3ae4..8663c6ee5f 100644
--- a/lib/diagnostics/cmd.go
+++ b/lib/diagnostics/cmd.go
@@ -39,6 +39,9 @@ func (cmd Command) RunCommand(prog string, args []string, stdin io.Reader, stdou
 	} else if err != nil {
 		fmt.Fprintln(stderr, err)
 		return 2
+	} else if f.NArg() != 0 {
+		fmt.Fprintf(stderr, "unrecognized command line arguments: %v\n", f.Args())
+		return 2
 	}
 	diag.logger = ctxlog.New(stdout, "text", diag.logLevel)
 	diag.logger.SetFormatter(&logrus.TextFormatter{DisableTimestamp: true, DisableLevelTruncation: true, PadLevelText: true})