func NextReleaseID()

in release/release.go [522:571]

39 lines of code
10 McCabe index (conditional complexity)


func NextReleaseID(tags []string) (next string) {
	const releaseTagPrefix = "release-"
	const dt = "2006-01-02"

	ct := nowTime().UTC()

	nextTime := time.Date(ct.Year(), ct.Month(), ct.Day(), 0, 0, 0, 0, time.UTC)

	latestNum := 0

	for _, tag := range tags {
		if !strings.HasPrefix(tag, releaseTagPrefix) {
			continue
		}
		tag = strings.TrimPrefix(tag, releaseTagPrefix)
		split := strings.SplitN(tag, ".", 2)

		t, err := time.Parse(dt, split[0])
		if err != nil {
			continue
		}

		if !t.Equal(nextTime) {
			continue
		}

		if len(split) != 2 {
			if latestNum == 0 {
				latestNum = 1
			}
			continue
		}

		i, err := strconv.Atoi(split[1])
		if err != nil {
			continue
		}

		if i > latestNum {
			latestNum = i
		}
	}

	if latestNum == 0 {
		return nextTime.Format(dt)
	}

	latestNum++
	return nextTime.Format(dt) + "." + strconv.Itoa(latestNum)
}