+static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
+{
+ struct tree_desc desc;
+ int cnt = 0;
+
+ memcpy(it->sha1, tree->object.sha1, 20);
+ desc.buf = tree->buffer;
+ desc.size = tree->size;
+
+ while (desc.size) {
+ unsigned mode;
+ const char *name;
+ const unsigned char *sha1;
+
+ sha1 = tree_entry_extract(&desc, &name, &mode);
+ update_tree_entry(&desc);
+
+ if (!S_ISDIR(mode))
+ cnt++;
+ else {
+ struct cache_tree_sub *sub;
+ struct tree *subtree;
+
+ subtree = lookup_tree(sha1);
+ if (!subtree->object.parsed)
+ parse_tree(subtree);
+ sub = cache_tree_sub(it, name);
+ sub->cache_tree = cache_tree();
+ prime_cache_tree_rec(sub->cache_tree, subtree);
+ cnt += sub->cache_tree->entry_count;
+ }
+ }
+ it->entry_count = cnt;
+}
+
+static void prime_cache_tree(void)
+{
+ struct tree *tree = (struct tree *)trees->item;
+ if (!tree)
+ return;
+ active_cache_tree = cache_tree();
+ prime_cache_tree_rec(active_cache_tree, tree);
+
+}
+