}
			return retval
		},
		PersistentPreRunE: func(c *cobra.Command, args []string) error {
			// istioctl kube-inject is typically redirected to a .yaml file;
			// the default for log messages should be stderr, not stdout
			root := c.Root()
			if root != nil {
				_ = c.Root().PersistentFlags().Set("log_target", "stderr")
			}
			if c.Parent() != nil && c.Parent().PersistentPreRunE != nil {

func GetRootCmd(args []string) *cobra.Command {
	rootCmd := &cobra.Command{
		Use:               "istioctl",
		Short:             "Istio control interface.",
		SilenceUsage:      true,
		DisableAutoGenTag: true,
		PersistentPreRunE: ConfigureLogging,
		Long: `Istio configuration command line utility for service operators to
debug and diagnose their Istio mesh.
`,
	}

	rootCmd.SetArgs(args)

	flags := rootCmd.PersistentFlags()