builtin-pack-object: cache small deltas

diff --git a/tree.c b/tree.c
index dbb63fc52543c06cfd24f7858bbad490c700c5ed..a3728270b4027cd56e09e1a56ec17e177d0a6998 100644 (file)
--- a/tree.c
+++ b/tree.c
@@ -127,12 +127,8 @@ int read_tree(struct tree *tree, int stage, const char **match)
 struct tree *lookup_tree(const unsigned char *sha1)
 {
        struct object *obj = lookup_object(sha1);
-       if (!obj) {
-               struct tree *ret = alloc_tree_node();
-               created_object(sha1, &ret->object);
-               ret->object.type = OBJ_TREE;
-               return ret;
-       }
+       if (!obj)
+               return create_object(sha1, OBJ_TREE, alloc_tree_node());
        if (!obj->type)
                obj->type = OBJ_TREE;
        if (obj->type != OBJ_TREE) {
@@ -161,7 +157,7 @@ static void track_tree_refs(struct tree *item)
        /* Count how many entries there are.. */
        init_tree_desc(&desc, item->buffer, item->size);
        while (tree_entry(&desc, &entry)) {
-               if (S_ISDIRLNK(entry.mode))
+               if (S_ISGITLINK(entry.mode))
                        continue;
                n_refs++;
        }
@@ -173,7 +169,7 @@ static void track_tree_refs(struct tree *item)
        while (tree_entry(&desc, &entry)) {
                struct object *obj;
 
-               if (S_ISDIRLNK(entry.mode))
+               if (S_ISGITLINK(entry.mode))
                        continue;
                if (S_ISDIR(entry.mode))
                        obj = &lookup_tree(entry.sha1)->object;