retval = append(retval, i)
		}
	}
	return retval
}

// nowFunc allows overriding for unit tests
var nowFunc = metav1.Now

// populateConditionTimestamps sets LastUpdateTime and LastTransitionTime in newCSR if missing
func populateConditionTimestamps(newCSR, oldCSR *certificates.CertificateSigningRequest) {
	now := nowFunc()
	for i := range newCSR.Status.Conditions {