int cmd_init(int argc, const char *argv[]);
int cmd_change(int argc, const char *argv[]);

int cmd_init(int argc, const char *argv[], const char *);
int cmd_change(int argc, const char *argv[], const char *);

change(const char *hash, int verbose)

change(const char *hash, int verbose, const char *repodir)

cmd_change(int argc, char **argv, const char *pijul_dir)

cmd_change(int argc, char **argv, const char *repo_dir)

	return change(hash, verbose);

	return change(hash, verbose, repo_dir);