Make test server work in batch for download and not just upload

test/cmd/lfstest-gitserver.go

@@ -228,7 +228,23 @@ func lfsBatchHandler(w http.ResponseWriter, r *http.Request, repo string) {
 	res := []lfsObject{}
 	testingChunked := testingChunkedTransferEncoding(r)
 	for _, obj := range objs.Objects {
-		o := lfsObject{
+		_, ok := largeObjects.Get(repo, obj.Oid)
+		var o lfsObject
+		if ok {
+			o = lfsObject{
+				Oid:  obj.Oid,
+				Size: obj.Size,
+				Actions: map[string]lfsLink{
+					"download": lfsLink{
+						Href: lfsUrl(repo, obj.Oid),
+					},
+				},
+			}
+			if testingChunked {
+				o.Actions["download"].Header["Transfer-Encoding"] = "chunked"
+			}
+		} else {
+			o = lfsObject{
 				Oid:  obj.Oid,
 				Size: obj.Size,
 				Actions: map[string]lfsLink{
@@ -238,10 +254,10 @@ func lfsBatchHandler(w http.ResponseWriter, r *http.Request, repo string) {
 					},
 				},
 			}
-
 			if testingChunked {
 				o.Actions["upload"].Header["Transfer-Encoding"] = "chunked"
 			}
+		}
 
 		res = append(res, o)
 	}