code: func move(tmpPath, destPath string) error {
  	files, _ := ioutil.ReadDir(tmpPath)
  	for _, file := range files {
  		filename := file.Name()
  		tmpfile := filepath.Join(tmpPath, filename)
  		destfile := filepath.Join(destPath, filename)
  		if err := os.Rename(tmpfile, destfile); err != nil {
  			return fmt.Errorf("Unable to move local charts to charts dir: %v", err)
  		}
  	}
  	return nil
  }
docs: // move files from tmppath to destpath