1#include "cache.h"2#include "lockfile.h"3#include "tree.h"4#include "cache-tree.h"56static struct lock_file index_lock;78int main(int ac, char **av)9{10hold_locked_index(&index_lock, 1);11if (read_cache() < 0)12die("unable to read index file");13active_cache_tree = NULL;14if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK))15die("unable to write index file");16return 0;17}