+#include "test-tool.h"
 #include "cache.h"
 #include "lockfile.h"
 #include "tree.h"
 #include "cache-tree.h"
 
-static struct lock_file index_lock;
-
-int cmd_main(int ac, const char **av)
+int cmd__scrap_cache_tree(int ac, const char **av)
 {
+       struct lock_file index_lock = LOCK_INIT;
+
        setup_git_directory();
        hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
        if (read_cache() < 0)