code: func getUnitFromFile(file string) (*unit.UnitFile, error) {
  	out, err := ioutil.ReadFile(file)
  	if err != nil {
  		return nil, err
  	}
  
  	unitName := path.Base(file)
  	log.Debugf("Unit(%s) found in local filesystem", unitName)
  
  	return unit.NewUnitFile(string(out))
  }
docs: // getUnitFromFile attempts to load a Unit from a given filename
  // It returns the Unit or nil, and any error encountered