OPT_STRING('m', "master", &master, N_("branch"), N_("master branch")),
{ OPTION_CALLBACK, 0, "mirror", &mirror, N_("push|fetch"),
N_("set up remote as a mirror to push to or fetch from"),
- PARSE_OPT_OPTARG, parse_mirror_opt },
+ PARSE_OPT_OPTARG | PARSE_OPT_COMP_ARG, parse_mirror_opt },
OPT_END()
};