Function handle_options

git.c:157–366

}

static int handle_options(const char ***argv, int *argc, int *envchanged)
{
	const char **orig_argv = *argv;

	while (*argc > 0) {
		const char *cmd = (*argv)[0];
		if (cmd[0] != '-')
			break;

		/*
		 * For legacy reasons, the "version" and "help"
		 * commands can be written with "--" prepended
		 * to make them look like flags.
		 */
		if (!strcmp(cmd, "--help") || !strcmp(cmd, "-h") ||
		    !strcmp(cmd, "--version") || !strcmp(cmd, "-v"))
			break;

		/*
		 * Check remaining flags.
		 */
		if (skip_prefix(cmd, "--exec-path", &cmd)) {
			if (*cmd == '=')
				git_set_exec_path(cmd + 1);
			else {
				puts(git_exec_path());
				trace2_cmd_name("_query_");
				exit(0);
			}
		} else if (!strcmp(cmd, "--html-path")) {
			print_system_path(GIT_HTML_PATH);
			trace2_cmd_name("_query_");
			exit(0);
		} else if (!strcmp(cmd, "--man-path")) {
			print_system_path(GIT_MAN_PATH);
			trace2_cmd_name("_query_");
			exit(0);
		} else if (!strcmp(cmd, "--info-path")) {
			print_system_path(GIT_INFO_PATH);
			trace2_cmd_name("_query_");
			exit(0);
		} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {
			use_pager = 1;
		} else if (!strcmp(cmd, "-P") || !strcmp(cmd, "--no-pager")) {
			use_pager = 0;
			if (envchanged)
				*envchanged = 1;
		} else if (!strcmp(cmd, "--no-lazy-fetch")) {
			fetch_if_missing = 0;
			setenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 1);
			if (envchanged)
				*envchanged = 1;
		} else if (!strcmp(cmd, "--no-replace-objects")) {
			disable_replace_refs();
			setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1);
			if (envchanged)
				*envchanged = 1;
		} else if (!strcmp(cmd, "--git-dir")) {