if (S_ISGITLINK(entry.mode))
                        continue;
                if (S_ISDIR(entry.mode)) {
-                       struct tree *tree = lookup_tree(entry.sha1);
+                       struct tree *tree = lookup_tree(entry.oid->hash);
                        if (tree)
                                obj = &tree->object;
                }
                else {
-                       struct blob *blob = lookup_blob(entry.sha1);
+                       struct blob *blob = lookup_blob(entry.oid->hash);
                        if (blob)
                                obj = &blob->object;
                }