docs: def refresh_db(**kwargs):
      '''
      Update the homebrew package repository.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' pkg.refresh_db
      '''
      # Remove rtag file to keep multiple refreshes from happening in pkg states
      salt.utils.pkg.clear_rtag(__opts__)
      cmd = 'update'
      if _call_brew(cmd)['retcode']:
          log.error('Failed to update')
          return False
  
      return True