+static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
+{
+ struct tree_desc desc;
+ struct name_entry entry;
+ int cnt;
+
+ memcpy(it->sha1, tree->object.sha1, 20);
+ desc.buf = tree->buffer;
+ desc.size = tree->size;
+ cnt = 0;
+ while (tree_entry(&desc, &entry)) {
+ if (!S_ISDIR(entry.mode))
+ cnt++;
+ else {
+ struct cache_tree_sub *sub;
+ struct tree *subtree = lookup_tree(entry.sha1);
+ if (!subtree->object.parsed)
+ parse_tree(subtree);
+ sub = cache_tree_sub(it, entry.path);
+ sub->cache_tree = cache_tree();
+ prime_cache_tree_rec(sub->cache_tree, subtree);
+ cnt += sub->cache_tree->entry_count;
+ }
+ }
+ it->entry_count = cnt;
+}