if len(curHistories) == 1 {
		return curHistories[0], nil
	}
	var maxRevision int64
	var keepCur *apps.ControllerRevision
	for _, cur := range curHistories {
		if cur.Revision >= maxRevision {
			keepCur = cur
			maxRevision = cur.Revision
		}
	}
	// Relabel pods before dedup
	pods, err := dsc.getDaemonPods(ctx, ds)
	if err != nil {
		return nil, err

	}
	if deployment.Annotations[RevisionAnnotation] != revision {
		deployment.Annotations[RevisionAnnotation] = revision
		updated = true
	}

	return updated
}

// MaxRevision finds the highest revision in the replica sets
func MaxRevision(logger klog.Logger, allRSs []*apps.ReplicaSet) int64 {
	max := int64(0)
	for _, rs := range allRSs {
		if v, err := Revision(rs); err != nil {

	logger := klog.FromContext(ctx)
	existingNewRS := deploymentutil.FindNewReplicaSet(d, rsList)

	// Calculate the max revision number among all old RSes
	maxOldRevision := deploymentutil.MaxRevision(logger, oldRSs)
	// Calculate revision number for this new replica set
	newRevision := strconv.FormatInt(maxOldRevision+1, 10)

	// Latest replica set exists. We need to sync its annotations (includes copying all but