func()

in repositories/gcs.go [133:157]

• 23 lines of code
• 8 McCabe index (conditional complexity)

func (gcs *GCSRepo) removeCandidates(history []string, lastN int) ([]string, error) {
	var resolvedLimit int
	if lastN < 1 {
		resolvedLimit = len(history)
	} else {
		resolvedLimit = lastN
	}

	descendingReleases := make([]string, 0)
	for hpos := len(history) - 1; hpos >= 0 && len(descendingReleases) < resolvedLimit; hpos-- {
		latestVersion := history[hpos]
		_, isRelease, err := listDirectoriesInReleaseBucket(latestVersion + "/release/")
		if err != nil {
			return []string{}, fmt.Errorf("could not list available releases for %v: %v", latestVersion, err)
		}
		if isRelease {
			descendingReleases = append(descendingReleases, latestVersion)
		}
	}

	if lastN > 0 && len(descendingReleases) < lastN {
		return []string{}, fmt.Errorf("requested %d latest releases, but only found %d", lastN, len(descendingReleases))
	}
	return reverseInPlace(descendingReleases), nil
}