service.go

for _, e := range config.Tasks {
		err := c.AddFunc(e.Time, func() {
			task := e
			out, err := exec.Command("/bin/sh", "-c", task.Command).Output()
			if err != nil {
				raven.CaptureErrorAndWait(err, map[string]string{"command": e.Command, "time": task.Time})
				log.Printf("%s: %s", e.Command, err)
			}
			if e.Output != nil {
				f, err := os.OpenFile(*task.Output, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
				if err != nil {
					raven.CaptureErrorAndWait(err, nil)
					panic(err)
				}
				if _, err = f.WriteString(time.Now().Local().Format("2006-01-02 15:04:05") + " " + string(out[:])); err != nil {
					raven.CaptureErrorAndWait(err, nil)
					panic(err)
				}
				f.Close()
			}
		}, e.Name)
		if err != nil {
			raven.CaptureErrorAndWait(err, nil)
			panic(fmt.Errorf("Fatal error cron init: %s \n", err))
		}
	}