Maintain resources in order loaded.

pkg/resource/resource.go

@@ -18,6 +18,7 @@ limitations under the License.
 package resource
 
 import (
+	"reflect"
 	"strings"
 
 	"sigs.k8s.io/kustomize/pkg/ifc"
@@ -34,6 +35,10 @@ type Resource struct {
 	refBy   []resid.ResId
 }
 
+func (r *Resource) KunstructEqual(o *Resource) bool {
+	return reflect.DeepEqual(r.Kunstructured, o.Kunstructured)
+}
+
 // String returns resource as JSON.
 func (r *Resource) String() string {
 	bs, err := r.MarshalJSON()