#include "cache.h"
#include "tree.h"
#include "cache-tree.h"

static struct lock_file index_lock;

int main(int ac, char **av)
{
	int fd = hold_locked_index(&index_lock, 1);
	if (read_cache() < 0)
		die("unable to read index file");
	active_cache_tree = NULL;
	if (write_cache(fd, active_cache, active_nr)
	    || commit_lock_file(&index_lock))
		die("unable to write index file");
	return 0;
}