C++ OPT_BOOL函数代码示例

int cmd_shortlog(int argc, const char **argv, const char *prefix)
{
	static struct shortlog log;
	static struct rev_info rev;
	int nongit = !startup_info->have_repository;

	static const struct option options[] = {
		OPT_BOOL('n', "numbered", &log.sort_by_number,
			 N_("sort output according to the number of commits per author")),
		OPT_BOOL('s', "summary", &log.summary,
			 N_("Suppress commit descriptions, only provides commit count")),
		OPT_BOOL('e', "email", &log.email,
			 N_("Show the email address of each author")),
		{ OPTION_CALLBACK, 'w', NULL, &log, N_("w[,i1[,i2]]"),
			N_("Linewrap output"), PARSE_OPT_OPTARG, &parse_wrap_args },
		OPT_END(),
	};

	struct parse_opt_ctx_t ctx;

	git_config(git_default_config, NULL);
	shortlog_init(&log);
	init_revisions(&rev, prefix);
	parse_options_start(&ctx, argc, argv, prefix, options,
			    PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);

	for (;;) {
		switch (parse_options_step(&ctx, options, shortlog_usage)) {
		case PARSE_OPT_HELP:
			exit(129);
		case PARSE_OPT_DONE:
			goto parse_done;
		}
		parse_revision_opt(&rev, &ctx, options, shortlog_usage);
	}
parse_done:
	argc = parse_options_end(&ctx);

	if (setup_revisions(argc, argv, &rev, NULL) != 1) {
		error(_("unrecognized argument: %s"), argv[1]);
		usage_with_options(shortlog_usage, options);
	}

	log.user_format = rev.commit_format == CMIT_FMT_USERFORMAT;
	log.abbrev = rev.abbrev;

	/* assume HEAD if from a tty */
	if (!nongit && !rev.pending.nr && isatty(0))
		add_head_to_pending(&rev);
	if (rev.pending.nr == 0) {
		if (isatty(0))
			fprintf(stderr, _("(reading log message from standard input)\n"));
		read_from_stdin(&log);
	}
	else
		get_from_rev(&rev, &log);

	shortlog_output(&log);
	return 0;
}

static int push_stash(int argc, const char **argv, const char *prefix)
{
	int keep_index = -1;
	int patch_mode = 0;
	int include_untracked = 0;
	int quiet = 0;
	const char *stash_msg = NULL;
	struct pathspec ps;
	struct option options[] = {
		OPT_BOOL('k', "keep-index", &keep_index,
			 N_("keep index")),
		OPT_BOOL('p', "patch", &patch_mode,
			 N_("stash in patch mode")),
		OPT__QUIET(&quiet, N_("quiet mode")),
		OPT_BOOL('u', "include-untracked", &include_untracked,
			 N_("include untracked files in stash")),
		OPT_SET_INT('a', "all", &include_untracked,
			    N_("include ignore files"), 2),
		OPT_STRING('m', "message", &stash_msg, N_("message"),
			   N_("stash message")),
		OPT_END()
	};

	if (argc)
		argc = parse_options(argc, argv, prefix, options,
				     git_stash_push_usage,
				     0);

	parse_pathspec(&ps, 0, PATHSPEC_PREFER_FULL, prefix, argv);
	return do_push_stash(ps, stash_msg, quiet, keep_index, patch_mode,
			     include_untracked);
}

int cmd_push(int argc, const char **argv, const char *prefix)
{
	int flags = 0;
	int tags = 0;
	int rc;
	const char *repo = NULL;	/* default repository */
	struct option options[] = {
		OPT__VERBOSITY(&verbosity),
		OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
		OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
		OPT_BIT( 0 , "mirror", &flags, N_("mirror all refs"),
			    (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
		OPT_BOOL( 0, "delete", &deleterefs, N_("delete refs")),
		OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
		OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
		OPT_BIT( 0,  "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
		OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
		{ OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
			N_("control recursive pushing of submodules"),
			PARSE_OPT_OPTARG, option_parse_recurse_submodules },
		OPT_BOOL( 0 , "thin", &thin, N_("use thin pack")),
		OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
		OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
		OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
			TRANSPORT_PUSH_SET_UPSTREAM),
		OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
		OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
			TRANSPORT_PUSH_PRUNE),
		OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
		OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
			TRANSPORT_PUSH_FOLLOW_TAGS),
		OPT_END()
	};

	packet_trace_identity("push");
	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, push_usage, 0);

	if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
		die(_("--delete is incompatible with --all, --mirror and --tags"));
	if (deleterefs && argc < 2)
		die(_("--delete doesn't make sense without any refs"));

	if (tags)
		add_refspec("refs/tags/*");

	if (argc > 0) {
		repo = argv[0];
		set_refspecs(argv + 1, argc - 1);
	}

	rc = do_push(repo, flags);
	if (rc == -1)
		usage_with_options(push_usage, options);
	else
		return rc;
}

int cmd_main(int argc, const char **argv)
{
	const char *dir;
	int strict = 0;
	struct option options[] = {
		OPT_BOOL(0, "stateless-rpc", &stateless_rpc,
			 N_("quit after a single request/response exchange")),
		OPT_BOOL(0, "advertise-refs", &advertise_refs,
			 N_("exit immediately after initial ref advertisement")),
		OPT_BOOL(0, "strict", &strict,
			 N_("do not try <directory>/.git/ if <directory> is no Git directory")),
		OPT_INTEGER(0, "timeout", &timeout,
			    N_("interrupt transfer after <n> seconds of inactivity")),
		OPT_END()
	};

	packet_trace_identity("upload-pack");
	check_replace_refs = 0;

	argc = parse_options(argc, argv, NULL, options, upload_pack_usage, 0);

	if (argc != 1)
		usage_with_options(upload_pack_usage, options);

	if (timeout)
		daemon_mode = 1;

	setup_path();

	dir = argv[0];

	if (!enter_repo(dir, strict))
		die("'%s' does not appear to be a git repository", dir);

	git_config(upload_pack_config, NULL);

	switch (determine_protocol_version_server()) {
	case protocol_v1:
		/*
		 * v1 is just the original protocol with a version string,
		 * so just fall through after writing the version string.
		 */
		if (advertise_refs || !stateless_rpc)
			packet_write_fmt(1, "version 1\n");

		/* fallthrough */
	case protocol_v0:
		upload_pack();
		break;
	case protocol_unknown_version:
		BUG("unknown protocol version");
	}

	return 0;
}

int cmd_list(int argc, const char **argv)
{
    const char *program_usage_string = _(
        "& list [options]"
        );

    int opt_not_reported = 0;
    int opt_detailed = 0;
    int opt_since = 0;
    int opt_until = 0;
    struct options program_options[] = {
        OPT__VERBOSE(&g_verbose),
        OPT_BOOL('n', "not-reported"     , &opt_not_reported,      _("List only not-reported problems")),
        /* deprecate -d option with --pretty=full*/
        OPT_BOOL('d', "detailed" , &opt_detailed,  _("Show detailed report")),
        OPT_INTEGER('s', "since" , &opt_since,  _("List only the problems more recent than specified timestamp")),
        OPT_INTEGER('u', "until" , &opt_until,  _("List only the problems older than specified timestamp")),
        OPT_END()
    };

    parse_opts(argc, (char **)argv, program_options, program_usage_string);

    vector_of_problem_data_t *ci = fetch_crash_infos();
    if (ci == NULL)
        return 1;

    g_ptr_array_sort_with_data(ci, &cmp_problem_data, (char *) FILENAME_LAST_OCCURRENCE);

#if SUGGEST_AUTOREPORTING != 0
    const bool output =
#endif
    print_crash_list(ci, opt_detailed, opt_not_reported, opt_since, opt_until, CD_TEXT_ATT_SIZE_BZ);

    free_vector_of_problem_data(ci);

#if SUGGEST_AUTOREPORTING != 0
    load_abrt_conf();
    if (!g_settings_autoreporting)
    {
        if (output)
            putc('\n', stderr);

        fprintf(stderr, _("The Autoreporting feature is disabled. Please consider enabling it by issuing\n"
                          "'abrt-auto-reporting enabled' as a user with root privileges\n"));
    }
#endif

    return 0;
}

int cmd_interpret_trailers(int argc, const char **argv, const char *prefix)
{
	int trim_empty = 0;
	struct string_list trailers = STRING_LIST_INIT_DUP;

	struct option options[] = {
		OPT_BOOL(0, "trim-empty", &trim_empty, N_("trim empty trailers")),
		OPT_STRING_LIST(0, "trailer", &trailers, N_("trailer"),
				N_("trailer(s) to add")),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options,
			     git_interpret_trailers_usage, 0);

	if (argc) {
		int i;
		for (i = 0; i < argc; i++)
			process_trailers(argv[i], trim_empty, &trailers);
	} else
		process_trailers(NULL, trim_empty, &trailers);

	string_list_clear(&trailers, 0);

	return 0;
}

static int list(int ac, const char **av, const char *prefix)
{
	int porcelain = 0;

	struct option options[] = {
		OPT_BOOL(0, "porcelain", &porcelain, N_("machine-readable output")),
		OPT_END()
	};

	ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
	if (ac)
		usage_with_options(worktree_usage, options);
	else {
		struct worktree **worktrees = get_worktrees(GWT_SORT_LINKED);
		int path_maxlen = 0, abbrev = DEFAULT_ABBREV, i;

		if (!porcelain)
			measure_widths(worktrees, &abbrev, &path_maxlen);

		for (i = 0; worktrees[i]; i++) {
			if (porcelain)
				show_worktree_porcelain(worktrees[i]);
			else
				show_worktree(worktrees[i], path_maxlen, abbrev);
		}
		free_worktrees(worktrees);
	}
	return 0;
}

int cmd_status(int argc, const char **argv)
{
    const char *program_usage_string = _(
        "& status"
        );

    int opt_bare = 0; /* must be _int_, OPT_BOOL expects that! */
    int opt_since = 0;

    struct options program_options[] = {
        OPT__VERBOSE(&g_verbose),
        OPT_BOOL   ('b', "bare",  &opt_bare,  _("Print only the problem count without any message")),
        OPT_INTEGER('s', "since", &opt_since, _("Print only the problems more recent than specified timestamp")),
        OPT_END()
    };

    parse_opts(argc, (char **)argv, program_options, program_usage_string);

    unsigned int problem_count = count_problem_dirs(opt_since);

    /* show only if there is at least 1 problem or user set the -v */
    if (problem_count > 0 || g_verbose > 0)
    {
        if (opt_bare)
            printf("%u", problem_count);
        else
        {
            char *list_arg = opt_since ? xasprintf(" --since %d", opt_since) : xstrdup("");
            printf(_("ABRT has detected %u problem(s). For more info run: abrt-cli list%s\n"), problem_count, list_arg);
            free(list_arg);
        }
    }

    return 0;
}

int cmd_version(int argc, const char **argv, const char *prefix)
{
	int build_options = 0;
	const char * const usage[] = {
		N_("git version [<options>]"),
		NULL
	};
	struct option options[] = {
		OPT_BOOL(0, "build-options", &build_options,
			 "also print build options"),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options, usage, 0);

	/*
	 * The format of this string should be kept stable for compatibility
	 * with external projects that rely on the output of "git version".
	 *
	 * Always show the version, even if other options are given.
	 */
	printf("git version %s\n", git_version_string);

	if (build_options) {
		printf("cpu: %s\n", GIT_HOST_CPU);
		if (git_built_from_commit_string[0])
			printf("built from commit: %s\n",
			       git_built_from_commit_string);
		else
			printf("no commit associated with this build\n");
		printf("sizeof-long: %d\n", (int)sizeof(long));
		/* NEEDSWORK: also save and output GIT-BUILD_OPTIONS? */
	}
	return 0;
}

int main(int argc, const char **argv)
{
	const char *socket_path;
	static const char *usage[] = {
		"git-credential-cache--daemon [opts] <socket_path>",
		NULL
	};
	int debug = 0;
	const struct option options[] = {
		OPT_BOOL(0, "debug", &debug,
			 N_("print debugging messages to stderr")),
		OPT_END()
	};

	argc = parse_options(argc, argv, NULL, options, usage, 0);
	socket_path = argv[0];

	if (!socket_path)
		usage_with_options(usage, options);

	check_socket_directory(socket_path);
	register_tempfile(&socket_file, socket_path);
	serve_cache(socket_path, debug);
	delete_tempfile(&socket_file);

	return 0;
}

static int pop_stash(int argc, const char **argv, const char *prefix)
{
	int ret;
	int index = 0;
	int quiet = 0;
	struct stash_info info;
	struct option options[] = {
		OPT__QUIET(&quiet, N_("be quiet, only report errors")),
		OPT_BOOL(0, "index", &index,
			 N_("attempt to recreate the index")),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options,
			     git_stash_pop_usage, 0);

	if (get_stash_info(&info, argc, argv))
		return -1;

	assert_stash_ref(&info);
	if ((ret = do_apply_stash(prefix, &info, index, quiet)))
		printf_ln(_("The stash entry is kept in case "
			    "you need it again."));
	else
		ret = do_drop_stash(prefix, &info, quiet);

	free_stash_info(&info);
	return ret;
}

int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
{
	int quiet = 0;
	const char *msg = NULL;
	struct option options[] = {
		OPT__QUIET(&quiet,
			N_("suppress error message for non-symbolic (detached) refs")),
		OPT_BOOL(0, "short", &shorten, N_("shorten ref output")),
		OPT_STRING('m', NULL, &msg, N_("reason"), N_("reason of the update")),
		OPT_END(),
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options,
			     git_symbolic_ref_usage, 0);
	if (msg &&!*msg)
		die("Refusing to perform update with empty message");
	switch (argc) {
	case 1:
		check_symref(argv[0], quiet);
		break;
	case 2:
		if (!strcmp(argv[0], "HEAD") &&
		    prefixcmp(argv[1], "refs/"))
			die("Refusing to point HEAD outside of refs/");
		create_symref(argv[0], argv[1], msg);
		break;
	default:
		usage_with_options(git_symbolic_ref_usage, options);
	}
	return 0;
}

int cmd_prune(int argc, const char **argv, const char *prefix)
{
	struct rev_info revs;
	struct progress *progress = NULL;
	const struct option options[] = {
		OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
		OPT__VERBOSE(&verbose, N_("report pruned objects")),
		OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
		OPT_EXPIRY_DATE(0, "expire", &expire,
				N_("expire objects older than <time>")),
		OPT_END()
	};
	char *s;

	expire = TIME_MAX;
	save_commit_buffer = 0;
	check_replace_refs = 0;
	ref_paranoia = 1;
	init_revisions(&revs, prefix);

	argc = parse_options(argc, argv, prefix, options, prune_usage, 0);

	if (repository_format_precious_objects)
		die(_("cannot prune in a precious-objects repo"));

	while (argc--) {
		struct object_id oid;
		const char *name = *argv++;

		if (!get_oid(name, &oid)) {
			struct object *object = parse_object_or_die(&oid,
								    name);
			add_pending_object(&revs, object, "");
		}
		else
			die("unrecognized argument: %s", name);
	}

	if (show_progress == -1)
		show_progress = isatty(2);
	if (show_progress)
		progress = start_progress_delay(_("Checking connectivity"), 0, 0, 2);

	mark_reachable_objects(&revs, 1, expire, progress);
	stop_progress(&progress);
	for_each_loose_file_in_objdir(get_object_directory(), prune_object,
				      prune_cruft, prune_subdir, NULL);

	prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0);
	remove_temporary_files(get_object_directory());
	s = mkpathdup("%s/pack", get_object_directory());
	remove_temporary_files(s);
	free(s);

	if (is_repository_shallow())
		prune_shallow(show_only);

	return 0;
}

int cmd_merge_base(int argc, const char **argv, const char *prefix)
{
	struct commit **rev;
	int rev_nr = 0;
	int show_all = 0;
	int cmdmode = 0;

	struct option options[] = {
		OPT_BOOL('a', "all", &show_all, N_("output all common ancestors")),
		OPT_CMDMODE(0, "octopus", &cmdmode,
			    N_("find ancestors for a single n-way merge"), 'o'),
		OPT_CMDMODE(0, "independent", &cmdmode,
			    N_("list revs not reachable from others"), 'r'),
		OPT_CMDMODE(0, "is-ancestor", &cmdmode,
			    N_("is the first one ancestor of the other?"), 'a'),
		OPT_CMDMODE(0, "fork-point", &cmdmode,
			    N_("find where <commit> forked from reflog of <ref>"), 'f'),
		OPT_END()
	};

	git_config(git_default_config, NULL);
	argc = parse_options(argc, argv, prefix, options, merge_base_usage, 0);

	if (cmdmode == 'a') {
		if (argc < 2)
			usage_with_options(merge_base_usage, options);
		if (show_all)
			die("--is-ancestor cannot be used with --all");
		return handle_is_ancestor(argc, argv);
	}

	if (cmdmode == 'r' && show_all)
		die("--independent cannot be used with --all");

	if (cmdmode == 'o')
		return handle_octopus(argc, argv, show_all);

	if (cmdmode == 'r')
		return handle_independent(argc, argv);

	if (cmdmode == 'f') {
		if (argc < 1 || 2 < argc)
			usage_with_options(merge_base_usage, options);
		return handle_fork_point(argc, argv);
	}

	if (argc < 2)
		usage_with_options(merge_base_usage, options);

	ALLOC_ARRAY(rev, argc);
	while (argc-- > 0)
		rev[rev_nr++] = get_commit_reference(*argv++);
	return show_merge_base(rev, rev_nr, show_all);
}

static int save_stash(int argc, const char **argv, const char *prefix)
{
	int keep_index = -1;
	int patch_mode = 0;
	int include_untracked = 0;
	int quiet = 0;
	int ret = 0;
	const char *stash_msg = NULL;
	struct pathspec ps;
	struct strbuf stash_msg_buf = STRBUF_INIT;
	struct option options[] = {
		OPT_BOOL('k', "keep-index", &keep_index,
			 N_("keep index")),
		OPT_BOOL('p', "patch", &patch_mode,
			 N_("stash in patch mode")),
		OPT__QUIET(&quiet, N_("quiet mode")),
		OPT_BOOL('u', "include-untracked", &include_untracked,
			 N_("include untracked files in stash")),
		OPT_SET_INT('a', "all", &include_untracked,
			    N_("include ignore files"), 2),
		OPT_STRING('m', "message", &stash_msg, "message",
			   N_("stash message")),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options,
			     git_stash_save_usage,
			     PARSE_OPT_KEEP_DASHDASH);

	if (argc)
		stash_msg = strbuf_join_argv(&stash_msg_buf, argc, argv, ' ');

	memset(&ps, 0, sizeof(ps));
	ret = do_push_stash(ps, stash_msg, quiet, keep_index,
			    patch_mode, include_untracked);

	strbuf_release(&stash_msg_buf);
	return ret;
}