Function cmd_main

scalar.c:1016–1056

};

int cmd_main(int argc, const char **argv)
{
	struct strbuf scalar_usage = STRBUF_INIT;
	int i;

	while (argc > 1 && *argv[1] == '-') {
		if (!strcmp(argv[1], "-C")) {
			if (argc < 3)
				die(_("-C requires a <directory>"));
			if (chdir(argv[2]) < 0)
				die_errno(_("could not change to '%s'"),
					  argv[2]);
			argc -= 2;
			argv += 2;
		} else if (!strcmp(argv[1], "-c")) {
			if (argc < 3)
				die(_("-c requires a <key>=<value> argument"));
			git_config_push_parameter(argv[2]);
			argc -= 2;
			argv += 2;
		} else
			break;
	}

	if (argc > 1) {
		argv++;
		argc--;

		for (i = 0; builtins[i].name; i++)
			if (!strcmp(builtins[i].name, argv[0]))
				return !!builtins[i].fn(argc, argv);
	}

	strbuf_addstr(&scalar_usage,
		      N_("scalar [-C <directory>] [-c <key>=<value>] "
			 "<command> [<options>]\n\nCommands:\n"));
	for (i = 0; builtins[i].name; i++)
		strbuf_addf(&scalar_usage, "\t%s\n", builtins[i].name);

	usage(scalar_usage.buf);
}