Set SilenceUsage at Root cmd level

cmd/agent.go

@@ -41,6 +41,7 @@ three agents into the distribution:
 var agentCtx context.Context = configAgent()
 
 func init() {
+	agentCmd.SilenceUsage = true
 	agentCmd.MarkFlagRequired("bind-addr")
 	agentCmd.MarkFlagRequired("metrics-addr")
 	agentCmd.MarkFlagRequired("node-name")
@@ -58,4 +59,3 @@ func configAgent() context.Context {
 
 	return context.WithValue(Ctx, k("agent.config"), conf)
 }
-

cmd/client_add.go

@@ -41,13 +41,11 @@ func init() {
 }
 
 func runClientAdd(cmd *cobra.Command, args []string) error {
-	// SilenceUsage is set to true -> https://github.com/spf13/cobra/issues/340
+
 	if clientAddEvent == "" {
 		return fmt.Errorf("Event must not be empty!")
 	}
 
-	cmd.SilenceUsage = true
-
 	config := clientCtx.Value(k("client.config")).(*client.Config)
 	log.SetLogger("client", config.Log)
 
@@ -69,4 +67,3 @@ func runClientAdd(cmd *cobra.Command, args []string) error {
 
 	return nil
 }
-

cmd/root.go

@@ -33,6 +33,8 @@ var Root *cobra.Command = &cobra.Command{
 	Use:   "qed",
 	Short: "QED system",
 	Long:  "QED implements an authenticated data structure as an append-only log. This command exposes the QED components. Please refer to QED manual to learn about QED architecture and its components",
+	// SilenceUsage is set to true -> https://github.com/spf13/cobra/issues/340
+	SilenceUsage: true,
 }
 
 var Ctx context.Context = context.WithValue(context.Background(), k("version"), "alpha")