func validateNoOverwrites(accessor meta.Object, labels map[string]string) error {
allErrs := []error{}
for key := range labels {
if value, found := accessor.GetLabels()[key]; found {
allErrs = append(allErrs, fmt.Errorf("'%s' already has a value (%s), and --overwrite is false", key, value))
}
}
return utilerrors.NewAggregate(allErrs)
}
