call 'strings.ToLower(output)' only once

cmd/minikube/cmd/status.go

@@ -197,11 +197,12 @@ var statusCmd = &cobra.Command{
 	Exit status contains the status of minikube's VM, cluster and Kubernetes encoded on it's bits in this order from right to left.
 	Eg: 7 meaning: 1 (for minikube NOK) + 2 (for cluster NOK) + 4 (for Kubernetes NOK)`,
 	Run: func(cmd *cobra.Command, args []string) {
-		if strings.ToLower(output) != "text" && statusFormat != defaultStatusFormat {
+		output = strings.ToLower(output)
+		if output != "text" && statusFormat != defaultStatusFormat {
 			exit.Message(reason.Usage, "Cannot use both --output and --format options")
 		}
 
-		out.SetJSON(strings.ToLower(output) == "json")
+		out.SetJSON(output == "json")
 
 		cname := ClusterFlagValue()
 		api, cc := mustload.Partial(cname)
@@ -236,7 +237,7 @@ var statusCmd = &cobra.Command{
 			}
 		}
 
-		switch strings.ToLower(output) {
+		switch output {
 		case "text":
 			for _, st := range statuses {
 				if err := statusText(st, os.Stdout); err != nil {