ecr.closed.Store(true)
	return ecr.readCloser.Close()
}

// TimeFormat is the time format to use when generating times in HTTP
// headers. It is like [time.RFC1123] but hard-codes GMT as the time
// zone. The time being formatted must be in UTC for Format to
// generate the correct format.
//
// For parsing this time format, see [ParseTime].
const TimeFormat = "Mon, 02 Jan 2006 15:04:05 GMT"

	defer func() {
		if rinfo.ReplicationStatus == replication.Completed && tgt.ResetID != "" && dobj.OpType == replication.ExistingObjectReplicationType {
			rinfo.ResyncTimestamp = fmt.Sprintf("%s;%s", UTCNow().Format(http.TimeFormat), tgt.ResetID)
		}
	}()

	if dobj.VersionID == "" && rinfo.PrevReplicationStatus == replication.Completed && dobj.OpType != replication.ExistingObjectReplicationType {

	// retrieve the info of last modification time of the object from the response header.
	lastModified := response.Header.Get("Last-Modified")
	// Parse it into time.Time structure.
	t, err := time.Parse(http.TimeFormat, lastModified)
	c.Assert(err, nil)

	// make HTTP request to obtain object info.
	// But this time set the "If-Modified-Since" header to be 10 minute more than the actual
	// last modified time of the object.

		return
	}

	OA := new(getObjectAttributesResponse)

	if opts.Versioned {
		w.Header().Set(xhttp.AmzVersionID, objInfo.VersionID)
	}

	lastModified := objInfo.ModTime.UTC().Format(http.TimeFormat)
	w.Header().Set(xhttp.LastModified, lastModified)
	w.Header().Del(xhttp.ContentType)

	if _, ok := opts.ObjectAttributes[xhttp.Checksum]; ok {
		chkSums := objInfo.decryptChecksums(0, r.Header)

		if !ok {
			t.Error("ResponseWriter did not implement io.StringWriter")
		}
	default:
		t.Error("handler was never called")
	}
}

func TestAppendTime(t *testing.T) {
	var b [len(TimeFormat)]byte
	t1 := time.Date(2013, 9, 21, 15, 41, 0, 0, time.FixedZone("CEST", 2*60*60))
	res := ExportAppendTime(b[:0], t1)
	t2, err := ParseTime(string(res))
	if err != nil {
		t.Fatalf("Error parsing time: %s", err)