code: func RunCurrentContext(out io.Writer, options *CurrentContextOptions) error {
  	config, err := options.ConfigAccess.GetStartingConfig()
  	if err != nil {
  		return err
  	}
  
  	if config.CurrentContext == "" {
  		err = fmt.Errorf("current-context is not set")
  		return err
  	}
  
  	fmt.Fprintf(out, "%s\n", config.CurrentContext)
  	return nil
  }
docs: // RunCurrentContext performs the execution of 'config current-context' sub command