resource types: leave comment to explain problem

pkg/apis/pipeline/v1alpha1/resource_types.go

@@ -170,9 +170,13 @@ func ResourceFromType(r *PipelineResource) (PipelineResourceInterface, error) {
 func AttributesFromType(prt PipelineResourceType) ([]string, error) {
  r := &PipelineResource{}
  r.Spec.Type = prt
+ // Todo : The TaskResource struct lacks data to correctly infer the type of
+ // a PipelineResourceTypeStorage. While all the currently implemented types
+ // have the same attributes, this doesn't appear to be an explicit design
+ // choice. Future types could not fit this constraint. So we cannot safely
+ // make any assumptions about the attributes.
  if prt == PipelineResourceTypeStorage {
  r.Spec.Params = []Param{
-
  {
  Name: "type",
  Value: string(PipelineResourceTypeGCS),