Use versioned object when computing patch

pkg/apiserver/resthandler.go

@@ -567,11 +567,11 @@ func patchResource(ctx api.Context, admit updateAdmissionFunc, timeout time.Dura
 				return nil, err
 			}
 
-			currentPatch, err := strategicpatch.CreateStrategicMergePatch(originalObjJS, currentObjectJS, patcher.New())
+			currentPatch, err := strategicpatch.CreateStrategicMergePatch(originalObjJS, currentObjectJS, versionedObj)
 			if err != nil {
 				return nil, err
 			}
-			originalPatch, err := strategicpatch.CreateStrategicMergePatch(originalObjJS, originalPatchedObjJS, patcher.New())
+			originalPatch, err := strategicpatch.CreateStrategicMergePatch(originalObjJS, originalPatchedObjJS, versionedObj)
 			if err != nil {
 				return nil, err
 			}

pkg/apiserver/resthandler_test.go

@@ -204,7 +204,7 @@ func (tc *patchTestCase) Run(t *testing.T) {
 			continue
 
 		case api.StrategicMergePatchType:
-			patch, err = strategicpatch.CreateStrategicMergePatch(originalObjJS, changedJS, &api.Pod{})
+			patch, err = strategicpatch.CreateStrategicMergePatch(originalObjJS, changedJS, versionedObj)
 			if err != nil {
 				t.Errorf("%s: unexpected error: %v", tc.name, err)
 				return