sync.rb

 def sync                                                                                                                                                                          
  Marz::Rsync.run(remote_source, local_dir, rsync_opts) do |result|                                                                                                               
    if result.success?                                                                                                                                                            
      # implement successful processing                                                                                                                                                                
    else                                                                                                                                                                          
      puts reuslt.output
      log_error result.output
      Database.update_sync_result_status(FAILED)
    end
end