Suppress help on error (#46)

cloud/google.go

@@ -20,7 +20,7 @@ func NewComputeClient(project string) (*ComputeClient, error) {
 
 	s, err := compute.NewService(ctx)
 	if err != nil {
-		err = fmt.Errorf("Couldn't initialize GCP client (Compute): %v", err)
+		err = fmt.Errorf("couldn't initialize GCP client: %v", err)
 		return nil, err
 	}
 	computeService := &ComputeClient{s, project}

cmd/root.go

@@ -19,9 +19,11 @@ var date string
 func Execute() {
 	// cobra.OnInitialize(initConfig)
 	var rootCmd = &cobra.Command{
-		Use:     "speedrun",
-		Short:   "Cloud first command execution",
-		Version: fmt.Sprintf("%s, commit: %s, date: %s", version, commit, date),
+		Use:           "speedrun",
+		Short:         "Cloud first command execution",
+		Version:       fmt.Sprintf("%s, commit: %s, date: %s", version, commit, date),
+		SilenceUsage:  true,
+		SilenceErrors: true,
 	}
 
 	rootCmd.AddCommand(initCmd)