hasZone := zoneOffset != 0
	hasFracSecond := t.Nanosecond() != 0
	hasSecond := t.Second() != 0
	hasTime := t.Hour() != 0 || t.Minute() != 0
	hasDay := t.Day() != 1
	hasMonth := t.Month() != 1

	switch {
	case hasFracSecond:
		return t.Format(layoutNanosecond)
	case hasSecond:
		return t.Format(layoutSecond)
	case hasTime || hasZone:
		return t.Format(layoutMinute)
	case hasDay:
		return t.Format(layoutDay)

	}
	drc := routeDump.GetDynamicRouteConfigs()

	lastUpdated := time.Unix(0, 0) // get the oldest possible timestamp
	for i := range drc {
		if drc[i].LastUpdated != nil {
			drLastUpdated := drc[i].LastUpdated.AsTime()
			if drLastUpdated.After(lastUpdated) {
				lastUpdated = drLastUpdated
			}
		}
	}
	if lastUpdated.After(time.Unix(0, 0)) { // if a timestamp was obtained from a drc
		return &lastUpdated, nil
	}

			format.mustNotBe(FormatGNU)
		}
		isMtime := paxKey == paxMtime
		fitsOctal := fitsInOctal(size, ts.Unix())
		if (isMtime && !fitsOctal) || !isMtime {
			whyNoUSTAR = fmt.Sprintf("USTAR cannot encode %s=%v", name, ts)
			format.mustNotBe(FormatUSTAR)
		}
		needsNano := ts.Nanosecond() != 0
		if !isMtime || !fitsOctal || needsNano {

		paxHdrs: map[string]string{paxMtime: "8589934592"},
		formats: FormatPAX | FormatGNU,
	}, {
		header:  &Header{ModTime: time.Unix(math.MaxInt64, 0)},
		paxHdrs: map[string]string{paxMtime: "9223372036854775807"},
		formats: FormatPAX | FormatGNU,
	}, {
		header:  &Header{ModTime: time.Unix(math.MaxInt64, 0), Format: FormatUSTAR},
		paxHdrs: map[string]string{paxMtime: "9223372036854775807"},
		formats: FormatUnknown,

		case paxGid:
			id64, err = strconv.ParseInt(v, 10, 64)
			hdr.Gid = int(id64) // Integer overflow possible
		case paxAtime:
			hdr.AccessTime, err = parsePAXTime(v)
		case paxMtime:
			hdr.ModTime, err = parsePAXTime(v)
		case paxCtime:
			hdr.ChangeTime, err = parsePAXTime(v)
		case paxSize:
			hdr.Size, err = strconv.ParseInt(v, 10, 64)
		default:

	}
}

func Test_metaCacheEntries_resolve(t *testing.T) {
	baseTime, err := time.Parse("2006/01/02", "2015/02/25")
	if err != nil {
		t.Fatal(err)
	}
	inputs := []xlMetaV2{
		0: {
			versions: []xlMetaV2ShallowVersion{
				{header: xlMetaV2VersionHeader{
					VersionID: [16]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
					ModTime:   baseTime.Add(30 * time.Minute).UnixNano(),
					Signature: [4]byte{1, 1, 1, 1},