C++ OPT_END函数代码示例

static int merge(int argc, const char **argv, const char *prefix)
{
	struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
	struct object_id result_oid;
	struct notes_tree *t;
	struct notes_merge_options o;
	int do_merge = 0, do_commit = 0, do_abort = 0;
	int verbosity = 0, result;
	const char *strategy = NULL;
	struct option options[] = {
		OPT_GROUP(N_("General options")),
		OPT__VERBOSITY(&verbosity),
		OPT_GROUP(N_("Merge options")),
		OPT_STRING('s', "strategy", &strategy, N_("strategy"),
			   N_("resolve notes conflicts using the given strategy "
			      "(manual/ours/theirs/union/cat_sort_uniq)")),
		OPT_GROUP(N_("Committing unmerged notes")),
		{ OPTION_SET_INT, 0, "commit", &do_commit, NULL,
			N_("finalize notes merge by committing unmerged notes"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1},
		OPT_GROUP(N_("Aborting notes merge resolution")),
		{ OPTION_SET_INT, 0, "abort", &do_abort, NULL,
			N_("abort notes merge"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1},
		OPT_END()
	};

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

	if (strategy || do_commit + do_abort == 0)
		do_merge = 1;
	if (do_merge + do_commit + do_abort != 1) {
		error(_("cannot mix --commit, --abort or -s/--strategy"));
		usage_with_options(git_notes_merge_usage, options);
	}

	if (do_merge && argc != 1) {
		error(_("must specify a notes ref to merge"));
		usage_with_options(git_notes_merge_usage, options);
	} else if (!do_merge && argc) {
		error(_("too many parameters"));
		usage_with_options(git_notes_merge_usage, options);
	}

	init_notes_merge_options(&o);
	o.verbosity = verbosity + NOTES_MERGE_VERBOSITY_DEFAULT;

	if (do_abort)
		return merge_abort(&o);
	if (do_commit)
		return merge_commit(&o);

	o.local_ref = default_notes_ref();
	strbuf_addstr(&remote_ref, argv[0]);
	expand_loose_notes_ref(&remote_ref);
	o.remote_ref = remote_ref.buf;

	t = init_notes_check("merge", NOTES_INIT_WRITABLE);

	if (strategy) {
		if (parse_notes_merge_strategy(strategy, &o.strategy)) {
			error(_("unknown -s/--strategy: %s"), strategy);
			usage_with_options(git_notes_merge_usage, options);
		}
	} else {
		struct strbuf merge_key = STRBUF_INIT;
		const char *short_ref = NULL;

		if (!skip_prefix(o.local_ref, "refs/notes/", &short_ref))
			die("BUG: local ref %s is outside of refs/notes/",
			    o.local_ref);

		strbuf_addf(&merge_key, "notes.%s.mergeStrategy", short_ref);

		if (git_config_get_notes_strategy(merge_key.buf, &o.strategy))
			git_config_get_notes_strategy("notes.mergeStrategy", &o.strategy);

		strbuf_release(&merge_key);
	}

	strbuf_addf(&msg, "notes: Merged notes from %s into %s",
		    remote_ref.buf, default_notes_ref());
	strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */

	result = notes_merge(&o, t, &result_oid);

	if (result >= 0) /* Merge resulted (trivially) in result_oid */
		/* Update default notes ref with new commit */
		update_ref(msg.buf, default_notes_ref(), result_oid.hash, NULL,
			   0, UPDATE_REFS_DIE_ON_ERR);
	else { /* Merge has unresolved conflicts */
		const struct worktree *wt;
		/* Update .git/NOTES_MERGE_PARTIAL with partial merge result */
		update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_oid.hash, NULL,
			   0, UPDATE_REFS_DIE_ON_ERR);
		/* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
		wt = find_shared_symref("NOTES_MERGE_REF", default_notes_ref());
		if (wt)
			die(_("a notes merge into %s is already in-progress at %s"),
//.........这里部分代码省略.........

int cmd_ls_remote(int argc, const char **argv, const char *prefix)
{
	const char *dest = NULL;
	unsigned flags = 0;
	int get_url = 0;
	int quiet = 0;
	int status = 0;
	int show_symref_target = 0;
	const char *uploadpack = NULL;
	const char **pattern = NULL;

	struct remote *remote;
	struct transport *transport;
	const struct ref *ref;

	struct option options[] = {
		OPT__QUIET(&quiet, N_("do not print remote URL")),
		OPT_STRING(0, "upload-pack", &uploadpack, N_("exec"),
			   N_("path of git-upload-pack on the remote host")),
		{ OPTION_STRING, 0, "exec", &uploadpack, N_("exec"),
			   N_("path of git-upload-pack on the remote host"),
			   PARSE_OPT_HIDDEN },
		OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
		OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
		OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
		OPT_BOOL(0, "get-url", &get_url,
			 N_("take url.<base>.insteadOf into account")),
		OPT_SET_INT(0, "exit-code", &status,
			    N_("exit with exit code 2 if no matching refs are found"), 2),
		OPT_BOOL(0, "symref", &show_symref_target,
			 N_("show underlying ref in addition to the object pointed by it")),
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix, options, ls_remote_usage,
			     PARSE_OPT_STOP_AT_NON_OPTION);
	dest = argv[0];

	if (argc > 1) {
		int i;
		pattern = xcalloc(argc, sizeof(const char *));
		for (i = 1; i < argc; i++)
			pattern[i - 1] = xstrfmt("*/%s", argv[i]);
	}

	remote = remote_get(dest);
	if (!remote) {
		if (dest)
			die("bad repository '%s'", dest);
		die("No remote configured to list refs from.");
	}
	if (!remote->url_nr)
		die("remote %s has no configured URL", dest);

	if (get_url) {
		printf("%s\n", *remote->url);
		return 0;
	}

	transport = transport_get(remote, NULL);
	if (uploadpack != NULL)
		transport_set_option(transport, TRANS_OPT_UPLOADPACK, uploadpack);

	ref = transport_get_remote_refs(transport);
	if (transport_disconnect(transport))
		return 1;

	if (!dest && !quiet)
		fprintf(stderr, "From %s\n", *remote->url);
	for ( ; ref; ref = ref->next) {
		if (!check_ref_type(ref, flags))
			continue;
		if (!tail_match(pattern, ref->name))
			continue;
		if (show_symref_target && ref->symref)
			printf("ref: %s\t%s\n", ref->symref, ref->name);
		printf("%s\t%s\n", oid_to_hex(&ref->old_oid), ref->name);
		status = 0; /* we found something */
	}
	return status;
}

	OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
	OPT_STRING('t', "template", &template_file, "FILE", "use specified template file"),
	OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"),

	OPT_GROUP("Commit contents options"),
	OPT_BOOLEAN('a', "all", &all, "commit all changed files"),
	OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"),
	OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"),
	OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
	OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
	OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
	{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, "mode", "show untracked files, optional modes: all, normal, no. (Default: all)", PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
	OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"),
	OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),

	OPT_END()
};

static void rollback_index_files(void)
{
	switch (commit_style) {
	case COMMIT_AS_IS:
		break; /* nothing to do */
	case COMMIT_NORMAL:
		rollback_lock_file(&index_lock);
		break;
	case COMMIT_PARTIAL:
		rollback_lock_file(&index_lock);
		rollback_lock_file(&false_lock);
		break;
	}

int main(int argc, char **argv)
{
    /* I18n */
    setlocale(LC_ALL, "");
#if ENABLE_NLS
    bindtextdomain(PACKAGE, LOCALEDIR);
    textdomain(PACKAGE);
#endif

    abrt_init(argv);

    /* Can't keep these strings/structs static: _() doesn't support that */
    const char *program_usage_string = _(
        "& [-vusoxm] [-d DIR]/[-D] [FILE]\n"
        "\n"
        "Extract oops from FILE (or standard input)"
    );
    enum {
        OPT_v = 1 << 0,
        OPT_s = 1 << 1,
        OPT_o = 1 << 2,
        OPT_d = 1 << 3,
        OPT_D = 1 << 4,
        OPT_u = 1 << 5,
        OPT_x = 1 << 6,
        OPT_t = 1 << 7,
        OPT_m = 1 << 8,
    };
    char *problem_dir = NULL;
    char *dump_location = NULL;
    /* Keep enum above and order of options below in sync! */
    struct options program_options[] = {
        OPT__VERBOSE(&g_verbose),
        OPT_BOOL(  's', NULL, NULL, _("Log to syslog")),
        OPT_BOOL(  'o', NULL, NULL, _("Print found oopses on standard output")),
        /* oopses don't contain any sensitive info, and even
         * the old koops app was showing the oopses to all users
         */
        OPT_STRING('d', NULL, &dump_location, "DIR", _("Create new problem directory in DIR for every oops found")),
        OPT_BOOL(  'D', NULL, NULL, _("Same as -d DumpLocation, DumpLocation is specified in abrt.conf")),
        OPT_STRING('u', NULL, &problem_dir, "PROBLEM", _("Save the extracted information in PROBLEM")),
        OPT_BOOL(  'x', NULL, NULL, _("Make the problem directory world readable")),
        OPT_BOOL(  't', NULL, NULL, _("Throttle problem directory creation to 1 per second")),
        OPT_BOOL(  'm', NULL, NULL, _("Print search string(s) to stdout and exit")),
        OPT_END()
    };
    unsigned opts = parse_opts(argc, argv, program_options, program_usage_string);

    export_abrt_envvars(0);

    msg_prefix = g_progname;
    if ((opts & OPT_s) || getenv("ABRT_SYSLOG"))
    {
        logmode = LOGMODE_JOURNAL;
    }

    if (opts & OPT_m)
    {
        char *oops_string_filter_regex = abrt_oops_string_filter_regex();
        if (oops_string_filter_regex)
        {
            regex_t filter_re;
            if (regcomp(&filter_re, oops_string_filter_regex, REG_NOSUB) != 0)
                perror_msg_and_die(_("Failed to compile regex"));

            const regex_t *filter[] = { &filter_re, NULL };

            koops_print_suspicious_strings_filtered(filter);

            regfree(&filter_re);
            free(oops_string_filter_regex);
        }
        else
            koops_print_suspicious_strings();

        return 1;
    }

    if (opts & OPT_D)
    {
        if (opts & OPT_d)
            show_usage_and_die(program_usage_string, program_options);
        load_abrt_conf();
        dump_location = g_settings_dump_location;
        g_settings_dump_location = NULL;
        free_abrt_conf_data();
    }

    int oops_utils_flags = 0;
    if ((opts & OPT_x))
        oops_utils_flags |= ABRT_OOPS_WORLD_READABLE;

    if ((opts & OPT_t))
        oops_utils_flags |= ABRT_OOPS_THROTTLE_CREATION;

    if ((opts & OPT_o))
        oops_utils_flags |= ABRT_OOPS_PRINT_STDOUT;

    argv += optind;
    if (argv[0])
//.........这里部分代码省略.........

static int update_clone(int argc, const char **argv, const char *prefix)
{
	const char *update = NULL;
	int max_jobs = -1;
	struct string_list_item *item;
	struct pathspec pathspec;
	struct submodule_update_clone suc = SUBMODULE_UPDATE_CLONE_INIT;

	struct option module_update_clone_options[] = {
		OPT_STRING(0, "prefix", &prefix,
			   N_("path"),
			   N_("path into the working tree")),
		OPT_STRING(0, "recursive-prefix", &suc.recursive_prefix,
			   N_("path"),
			   N_("path into the working tree, across nested "
			      "submodule boundaries")),
		OPT_STRING(0, "update", &update,
			   N_("string"),
			   N_("rebase, merge, checkout or none")),
		OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
			   N_("reference repository")),
		OPT_STRING(0, "depth", &suc.depth, "<depth>",
			   N_("Create a shallow clone truncated to the "
			      "specified number of revisions")),
		OPT_INTEGER('j', "jobs", &max_jobs,
			    N_("parallel jobs")),
		OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
			    N_("whether the initial clone should follow the shallow recommendation")),
		OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
		OPT_BOOL(0, "progress", &suc.progress,
			    N_("force cloning progress")),
		OPT_END()
	};

	const char *const git_submodule_helper_usage[] = {
		N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
		NULL
	};
	suc.prefix = prefix;

	argc = parse_options(argc, argv, prefix, module_update_clone_options,
			     git_submodule_helper_usage, 0);

	if (update)
		if (parse_submodule_update_strategy(update, &suc.update) < 0)
			die(_("bad value for update parameter"));

	if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
		return 1;

	if (pathspec.nr)
		suc.warn_if_uninitialized = 1;

	/* Overlay the parsed .gitmodules file with .git/config */
	gitmodules_config();
	git_config(submodule_config, NULL);

	if (max_jobs < 0)
		max_jobs = parallel_submodules();

	run_processes_parallel(max_jobs,
			       update_clone_get_next_task,
			       update_clone_start_failure,
			       update_clone_task_finished,
			       &suc);

	/*
	 * We saved the output and put it out all at once now.
	 * That means:
	 * - the listener does not have to interleave their (checkout)
	 *   work with our fetching.  The writes involved in a
	 *   checkout involve more straightforward sequential I/O.
	 * - the listener can avoid doing any work if fetching failed.
	 */
	if (suc.quickstop)
		return 1;

	for_each_string_list_item(item, &suc.projectlines)
		utf8_fprintf(stdout, "%s", item->string);

	return 0;
}

int main(int argc, char** argv)
{
    /* I18n */
    setlocale(LC_ALL, "");
#if ENABLE_NLS
    bindtextdomain(PACKAGE, LOCALEDIR);
    textdomain(PACKAGE);
#endif

    abrt_init(argv);

    int parent_pid = getpid();

    const char *program_usage_string = _(
        "& [options]"
    );
    enum {
        OPT_v = 1 << 0,
        OPT_d = 1 << 1,
        OPT_s = 1 << 2,
// TODO: get rid of -t NUM, it is no longer useful since dbus is moved to a separate tool
        OPT_t = 1 << 3,
        OPT_p = 1 << 4,
    };
    /* Keep enum above and order of options below in sync! */
    struct options program_options[] = {
        OPT__VERBOSE(&g_verbose),
        OPT_BOOL(   'd', NULL, NULL      , _("Do not daemonize")),
        OPT_BOOL(   's', NULL, NULL      , _("Log to syslog even with -d")),
        OPT_INTEGER('t', NULL, &s_timeout, _("Exit after NUM seconds of inactivity")),
        OPT_BOOL(   'p', NULL, NULL      , _("Add program names to log")),
        OPT_END()
    };
    unsigned opts = parse_opts(argc, argv, program_options, program_usage_string);

    export_abrt_envvars(opts & OPT_p);

#if 0 /* We no longer use dbus */
    /* When dbus daemon starts us, it doesn't set PATH
     * (I saw it set only DBUS_STARTER_ADDRESS and DBUS_STARTER_BUS_TYPE).
     * In this case, set something sane:
     */
    const char *env_path = getenv("PATH");
    if (!env_path || !env_path[0])
        putenv((char*)"PATH=/usr/sbin:/usr/bin:/sbin:/bin");
#endif

    unsetenv("ABRT_SYSLOG");
    msg_prefix = g_progname; /* for log_warning(), error_msg() and such */

    if (getuid() != 0)
        error_msg_and_die("Must be run as root");

    if (opts & OPT_s)
        start_logging();

    xpipe(s_signal_pipe);
    close_on_exec_on(s_signal_pipe[0]);
    close_on_exec_on(s_signal_pipe[1]);
    ndelay_on(s_signal_pipe[0]); /* I/O should not block - */
    ndelay_on(s_signal_pipe[1]); /* especially writes! they happen in signal handler! */
    signal(SIGTERM, handle_signal);
    signal(SIGINT,  handle_signal);
    signal(SIGCHLD, handle_signal);

    GIOChannel* channel_signal = NULL;
    guint channel_id_signal_event = 0;
    bool pidfile_created = false;
    struct abrt_inotify_watch *aiw = NULL;
    int ret = 1;

    /* Initialization */
    log_notice("Loading settings");
    if (load_abrt_conf() != 0)
        goto init_error;

    /* Moved before daemonization because parent waits for signal from daemon
     * only for short period and time consumed by
     * mark_unprocessed_dump_dirs_not_reportable() is slightly unpredictable.
     */
    sanitize_dump_dir_rights();
    mark_unprocessed_dump_dirs_not_reportable(g_settings_dump_location);

    /* Daemonize unless -d */
    if (!(opts & OPT_d))
    {
        /* forking to background */
        fflush(NULL); /* paranoia */
        pid_t pid = fork();
        if (pid < 0)
        {
            perror_msg_and_die("fork");
        }
        if (pid > 0)
        {
            /* Parent */
            /* Wait for child to notify us via SIGTERM that it feels ok */
            int i = 20; /* 2 sec */
            while (s_sig_caught == 0 && --i)
            {
//.........这里部分代码省略.........

int cmd_merge_file(int argc, const char **argv, const char *prefix)
{
	const char *names[3] = { NULL, NULL, NULL };
	mmfile_t mmfs[3];
	mmbuffer_t result = {NULL, 0};
	xmparam_t xmp = {{XDF_NEED_MINIMAL}};
	int ret = 0, i = 0, to_stdout = 0;
	int quiet = 0;
	int nongit;
	struct option options[] = {
		OPT_BOOLEAN('p', "stdout", &to_stdout, "send results to standard output"),
		OPT_SET_INT(0, "diff3", &xmp.style, "use a diff3 based merge", XDL_MERGE_DIFF3),
		OPT_SET_INT(0, "ours", &xmp.favor, "for conflicts, use our version",
			    XDL_MERGE_FAVOR_OURS),
		OPT_SET_INT(0, "theirs", &xmp.favor, "for conflicts, use their version",
			    XDL_MERGE_FAVOR_THEIRS),
		OPT_SET_INT(0, "union", &xmp.favor, "for conflicts, use a union version",
			    XDL_MERGE_FAVOR_UNION),
		OPT_INTEGER(0, "marker-size", &xmp.marker_size,
			    "for conflicts, use this marker size"),
		OPT__QUIET(&quiet),
		OPT_CALLBACK('L', NULL, names, "name",
			     "set labels for file1/orig_file/file2", &label_cb),
		OPT_END(),
	};

	xmp.level = XDL_MERGE_ZEALOUS_ALNUM;
	xmp.style = 0;
	xmp.favor = 0;

	prefix = setup_git_directory_gently(&nongit);
	if (!nongit) {
		/* Read the configuration file */
		git_config(git_xmerge_config, NULL);
		if (0 <= git_xmerge_style)
			xmp.style = git_xmerge_style;
	}

	argc = parse_options(argc, argv, prefix, options, merge_file_usage, 0);
	if (argc != 3)
		usage_with_options(merge_file_usage, options);
	if (quiet) {
		if (!freopen("/dev/null", "w", stderr))
			return error("failed to redirect stderr to /dev/null: "
				     "%s\n", strerror(errno));
	}

	for (i = 0; i < 3; i++) {
		if (!names[i])
			names[i] = argv[i];
		if (read_mmfile(mmfs + i, argv[i]))
			return -1;
		if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
			return error("Cannot merge binary files: %s\n",
					argv[i]);
	}

	xmp.ancestor = names[1];
	xmp.file1 = names[0];
	xmp.file2 = names[2];
	ret = xdl_merge(mmfs + 1, mmfs + 0, mmfs + 2, &xmp, &result);

	for (i = 0; i < 3; i++)
		free(mmfs[i].ptr);

	if (ret >= 0) {
		const char *filename = argv[0];
		FILE *f = to_stdout ? stdout : fopen(filename, "wb");

		if (!f)
			ret = error("Could not open %s for writing", filename);
		else if (result.size &&
			 fwrite(result.ptr, result.size, 1, f) != 1)
			ret = error("Could not write to %s", filename);
		else if (fclose(f))
			ret = error("Could not close %s", filename);
		free(result.ptr);
	}

	return ret;
}

int cmd_mv(int argc, const char **argv, const char *prefix)
{
	int i, flags, gitmodules_modified = 0;
	int verbose = 0, show_only = 0, force = 0, ignore_errors = 0;
	struct option builtin_mv_options[] = {
		OPT__VERBOSE(&verbose, N_("be verbose")),
		OPT__DRY_RUN(&show_only, N_("dry run")),
		OPT__FORCE(&force, N_("force move/rename even if target exists"),
			   PARSE_OPT_NOCOMPLETE),
		OPT_BOOL('k', NULL, &ignore_errors, N_("skip move/rename errors")),
		OPT_END(),
	};
	const char **source, **destination, **dest_path, **submodule_gitfile;
	enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
	struct stat st;
	struct string_list src_for_dst = STRING_LIST_INIT_NODUP;

	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, builtin_mv_options,
			     builtin_mv_usage, 0);
	if (--argc < 1)
		usage_with_options(builtin_mv_usage, builtin_mv_options);

	hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
	if (read_cache() < 0)
		die(_("index file corrupt"));

	source = internal_prefix_pathspec(prefix, argv, argc, 0);
	modes = xcalloc(argc, sizeof(enum update_mode));
	/*
	 * Keep trailing slash, needed to let
	 * "git mv file no-such-dir/" error out, except in the case
	 * "git mv directory no-such-dir/".
	 */
	flags = KEEP_TRAILING_SLASH;
	if (argc == 1 && is_directory(argv[0]) && !is_directory(argv[1]))
		flags = 0;
	dest_path = internal_prefix_pathspec(prefix, argv + argc, 1, flags);
	submodule_gitfile = xcalloc(argc, sizeof(char *));

	if (dest_path[0][0] == '\0')
		/* special case: "." was normalized to "" */
		destination = internal_prefix_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
	else if (!lstat(dest_path[0], &st) &&
			S_ISDIR(st.st_mode)) {
		dest_path[0] = add_slash(dest_path[0]);
		destination = internal_prefix_pathspec(dest_path[0], argv, argc, DUP_BASENAME);
	} else {
		if (argc != 1)
			die(_("destination '%s' is not a directory"), dest_path[0]);
		destination = dest_path;
	}

	/* Checking */
	for (i = 0; i < argc; i++) {
		const char *src = source[i], *dst = destination[i];
		int length, src_is_dir;
		const char *bad = NULL;

		if (show_only)
			printf(_("Checking rename of '%s' to '%s'\n"), src, dst);

		length = strlen(src);
		if (lstat(src, &st) < 0)
			bad = _("bad source");
		else if (!strncmp(src, dst, length) &&
				(dst[length] == 0 || dst[length] == '/')) {
			bad = _("can not move directory into itself");
		} else if ((src_is_dir = S_ISDIR(st.st_mode))
				&& lstat(dst, &st) == 0)
			bad = _("cannot move directory over file");
		else if (src_is_dir) {
			int first = cache_name_pos(src, length), last;

			if (first >= 0)
				prepare_move_submodule(src, first,
						       submodule_gitfile + i);
			else if (index_range_of_same_dir(src, length,
							 &first, &last) < 1)
				bad = _("source directory is empty");
			else { /* last - first >= 1 */
				int j, dst_len, n;

				modes[i] = WORKING_DIRECTORY;
				n = argc + last - first;
				REALLOC_ARRAY(source, n);
				REALLOC_ARRAY(destination, n);
				REALLOC_ARRAY(modes, n);
				REALLOC_ARRAY(submodule_gitfile, n);

				dst = add_slash(dst);
				dst_len = strlen(dst);

				for (j = 0; j < last - first; j++) {
					const char *path = active_cache[first + j]->name;
					source[argc + j] = path;
					destination[argc + j] =
						prefix_path(dst, dst_len, path + length + 1);
					modes[argc + j] = INDEX;
//.........这里部分代码省略.........

static int parse_archive_args(int argc, const char **argv,
		const struct archiver **ar, struct archiver_args *args,
		const char *name_hint, int is_remote)
{
	const char *format = NULL;
	const char *base = NULL;
	const char *remote = NULL;
	const char *exec = NULL;
	const char *output = NULL;
	int compression_level = -1;
	int verbose = 0;
	int i;
	int list = 0;
	int worktree_attributes = 0;
	struct option opts[] = {
		OPT_GROUP(""),
		OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")),
		OPT_STRING(0, "prefix", &base, N_("prefix"),
			N_("prepend prefix to each pathname in the archive")),
		OPT_STRING('o', "output", &output, N_("file"),
			N_("write the archive to this file")),
		OPT_BOOL(0, "worktree-attributes", &worktree_attributes,
			N_("read .gitattributes in working directory")),
		OPT__VERBOSE(&verbose, N_("report archived files on stderr")),
		OPT__COMPR('0', &compression_level, N_("store only"), 0),
		OPT__COMPR('1', &compression_level, N_("compress faster"), 1),
		OPT__COMPR_HIDDEN('2', &compression_level, 2),
		OPT__COMPR_HIDDEN('3', &compression_level, 3),
		OPT__COMPR_HIDDEN('4', &compression_level, 4),
		OPT__COMPR_HIDDEN('5', &compression_level, 5),
		OPT__COMPR_HIDDEN('6', &compression_level, 6),
		OPT__COMPR_HIDDEN('7', &compression_level, 7),
		OPT__COMPR_HIDDEN('8', &compression_level, 8),
		OPT__COMPR('9', &compression_level, N_("compress better"), 9),
		OPT_GROUP(""),
		OPT_BOOL('l', "list", &list,
			N_("list supported archive formats")),
		OPT_GROUP(""),
		OPT_STRING(0, "remote", &remote, N_("repo"),
			N_("retrieve the archive from remote repository <repo>")),
		OPT_STRING(0, "exec", &exec, N_("command"),
			N_("path to the remote git-upload-archive command")),
		OPT_END()
	};

	argc = parse_options(argc, argv, NULL, opts, archive_usage, 0);

	if (remote)
		die("Unexpected option --remote");
	if (exec)
		die("Option --exec can only be used together with --remote");
	if (output)
		die("Unexpected option --output");

	if (!base)
		base = "";

	if (list) {
		for (i = 0; i < nr_archivers; i++)
			if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE)
				printf("%s\n", archivers[i]->name);
		exit(0);
	}

	if (!format && name_hint)
		format = archive_format_from_filename(name_hint);
	if (!format)
		format = "tar";

	/* We need at least one parameter -- tree-ish */
	if (argc < 1)
		usage_with_options(archive_usage, opts);
	*ar = lookup_archiver(format);
	if (!*ar || (is_remote && !((*ar)->flags & ARCHIVER_REMOTE)))
		die("Unknown archive format '%s'", format);

	args->compression_level = Z_DEFAULT_COMPRESSION;
	if (compression_level != -1) {
		if ((*ar)->flags & ARCHIVER_WANT_COMPRESSION_LEVELS)
			args->compression_level = compression_level;
		else {
			die("Argument not supported for format '%s': -%d",
					format, compression_level);
		}
	}
	args->verbose = verbose;
	args->base = base;
	args->baselen = strlen(base);
	args->worktree_attributes = worktree_attributes;

	return argc;
}

int cmd_describe(int argc, const char **argv, const char *prefix)
{
    int contains = 0;
    struct option options[] = {
        OPT_BOOLEAN(0, "contains",   &contains, N_("find the tag that comes after the commit")),
        OPT_BOOLEAN(0, "debug",      &debug, N_("debug search strategy on stderr")),
        OPT_BOOLEAN(0, "all",        &all, N_("use any ref")),
        OPT_BOOLEAN(0, "tags",       &tags, N_("use any tag, even unannotated")),
        OPT_BOOLEAN(0, "long",       &longformat, N_("always use long format")),
        OPT_BOOLEAN(0, "first-parent", &first_parent, N_("only follow first parent")),
        OPT__ABBREV(&abbrev),
        OPT_SET_INT(0, "exact-match", &max_candidates,
        N_("only output exact matches"), 0),
        OPT_INTEGER(0, "candidates", &max_candidates,
        N_("consider <n> most recent tags (default: 10)")),
        OPT_STRING(0, "match",       &pattern, N_("pattern"),
        N_("only consider tags matching <pattern>")),
        OPT_BOOLEAN(0, "always",     &always,
        N_("show abbreviated commit object as fallback")),
        {   OPTION_STRING, 0, "dirty",  &dirty, N_("mark"),
            N_("append <mark> on dirty working tree (default: \"-dirty\")"),
            PARSE_OPT_OPTARG, NULL, (intptr_t) "-dirty"
        },
        OPT_END(),
    };

    git_config(git_default_config, NULL);
    argc = parse_options(argc, argv, prefix, options, describe_usage, 0);
    if (abbrev < 0)
        abbrev = DEFAULT_ABBREV;

    if (max_candidates < 0)
        max_candidates = 0;
    else if (max_candidates > MAX_TAGS)
        max_candidates = MAX_TAGS;

    save_commit_buffer = 0;

    if (longformat && abbrev == 0)
        die(_("--long is incompatible with --abbrev=0"));

    if (contains) {
        struct argv_array args;

        argv_array_init(&args);
        argv_array_pushl(&args, "name-rev",
                         "--peel-tag", "--name-only", "--no-undefined",
                         NULL);
        if (always)
            argv_array_push(&args, "--always");
        if (!all) {
            argv_array_push(&args, "--tags");
            if (pattern)
                argv_array_pushf(&args, "--refs=refs/tags/%s", pattern);
        }
        while (*argv) {
            argv_array_push(&args, *argv);
            argv++;
        }
        return cmd_name_rev(args.argc, args.argv, prefix);
    }

    init_hash(&names);
    for_each_rawref(get_name, NULL);
    if (!names.nr && !always)
        die(_("No names found, cannot describe anything."));

    if (argc == 0) {
        if (dirty) {
            static struct lock_file index_lock;
            int fd;

            read_cache_preload(NULL);
            refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED,
                          NULL, NULL, NULL);
            fd = hold_locked_index(&index_lock, 0);
            if (0 <= fd)
                update_index_if_able(&the_index, &index_lock);

            if (!cmd_diff_index(ARRAY_SIZE(diff_index_args) - 1,
                                diff_index_args, prefix))
                dirty = NULL;
        }
        describe("HEAD", 1);
    } else if (dirty) {
        die(_("--dirty is incompatible with committishes"));
    } else {
        while (argc-- > 0) {
            describe(*argv++, argc == 0);
        }
    }
    return 0;
}

int cmd_reset(int argc, const char **argv, const char *prefix)
{
	int i = 0, reset_type = NONE, update_ref_status = 0, quiet = 0;
	int patch_mode = 0;
	const char *rev = "HEAD";
	unsigned char sha1[20], *orig = NULL, sha1_orig[20],
				*old_orig = NULL, sha1_old_orig[20];
	struct commit *commit;
	char *reflog_action, msg[1024];
	const struct option options[] = {
		OPT__QUIET(&quiet),
		OPT_SET_INT(0, "mixed", &reset_type,
						"reset HEAD and index", MIXED),
		OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT),
		OPT_SET_INT(0, "hard", &reset_type,
				"reset HEAD, index and working tree", HARD),
		OPT_SET_INT(0, "merge", &reset_type,
				"reset HEAD, index and working tree", MERGE),
		OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
		OPT_END()
	};

	git_config(git_default_config, NULL);

	argc = parse_options(argc, argv, prefix, options, git_reset_usage,
						PARSE_OPT_KEEP_DASHDASH);
	reflog_action = args_to_str(argv);
	setenv("GIT_REFLOG_ACTION", reflog_action, 0);

	/*
	 * Possible arguments are:
	 *
	 * git reset [-opts] <rev> <paths>...
	 * git reset [-opts] <rev> -- <paths>...
	 * git reset [-opts] -- <paths>...
	 * git reset [-opts] <paths>...
	 *
	 * At this point, argv[i] points immediately after [-opts].
	 */

	if (i < argc) {
		if (!strcmp(argv[i], "--")) {
			i++; /* reset to HEAD, possibly with paths */
		} else if (i + 1 < argc && !strcmp(argv[i+1], "--")) {
			rev = argv[i];
			i += 2;
		}
		/*
		 * Otherwise, argv[i] could be either <rev> or <paths> and
		 * has to be unambiguous.
		 */
		else if (!get_sha1(argv[i], sha1)) {
			/*
			 * Ok, argv[i] looks like a rev; it should not
			 * be a filename.
			 */
			verify_non_filename(prefix, argv[i]);
			rev = argv[i++];
		} else {
			/* Otherwise we treat this as a filename */
			verify_filename(prefix, argv[i]);
		}
	}

	if (get_sha1(rev, sha1))
		die("Failed to resolve '%s' as a valid ref.", rev);

	commit = lookup_commit_reference(sha1);
	if (!commit)
		die("Could not parse object '%s'.", rev);
	hashcpy(sha1, commit->object.sha1);

	if (patch_mode) {
		if (reset_type != NONE)
			die("--patch is incompatible with --{hard,mixed,soft}");
		return interactive_reset(rev, argv + i, prefix);
	}

	/* git reset tree [--] paths... can be used to
	 * load chosen paths from the tree into the index without
	 * affecting the working tree nor HEAD. */
	if (i < argc) {
		if (reset_type == MIXED)
			warning("--mixed option is deprecated with paths.");
		else if (reset_type != NONE)
			die("Cannot do %s reset with paths.",
					reset_type_names[reset_type]);
		return read_from_tree(prefix, argv + i, sha1,
				quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN);
	}
	if (reset_type == NONE)
		reset_type = MIXED; /* by default */

	if (reset_type == HARD || reset_type == MERGE)
		setup_work_tree();

	if (reset_type == MIXED && is_bare_repository())
		die("%s reset is not allowed in a bare repository",
		    reset_type_names[reset_type]);

//.........这里部分代码省略.........

static int module_clone(int argc, const char **argv, const char *prefix)
{
	const char *name = NULL, *url = NULL;
	const char *reference = NULL, *depth = NULL;
	int quiet = 0;
	FILE *submodule_dot_git;
	char *p, *path = NULL, *sm_gitdir;
	struct strbuf rel_path = STRBUF_INIT;
	struct strbuf sb = STRBUF_INIT;

	struct option module_clone_options[] = {
		OPT_STRING(0, "prefix", &prefix,
			   N_("path"),
			   N_("alternative anchor for relative paths")),
		OPT_STRING(0, "path", &path,
			   N_("path"),
			   N_("where the new submodule will be cloned to")),
		OPT_STRING(0, "name", &name,
			   N_("string"),
			   N_("name of the new submodule")),
		OPT_STRING(0, "url", &url,
			   N_("string"),
			   N_("url where to clone the submodule from")),
		OPT_STRING(0, "reference", &reference,
			   N_("string"),
			   N_("reference repository")),
		OPT_STRING(0, "depth", &depth,
			   N_("string"),
			   N_("depth for shallow clones")),
		OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
		OPT_END()
	};

	const char *const git_submodule_helper_usage[] = {
		N_("git submodule--helper clone [--prefix=<path>] [--quiet] "
		   "[--reference <repository>] [--name <name>] [--depth <depth>] "
		   "--url <url> --path <path>"),
		NULL
	};

	argc = parse_options(argc, argv, prefix, module_clone_options,
			     git_submodule_helper_usage, 0);

	if (argc || !url || !path || !*path)
		usage_with_options(git_submodule_helper_usage,
				   module_clone_options);

	strbuf_addf(&sb, "%s/modules/%s", get_git_dir(), name);
	sm_gitdir = xstrdup(absolute_path(sb.buf));
	strbuf_reset(&sb);

	if (!is_absolute_path(path)) {
		strbuf_addf(&sb, "%s/%s", get_git_work_tree(), path);
		path = strbuf_detach(&sb, NULL);
	} else
		path = xstrdup(path);

	if (!file_exists(sm_gitdir)) {
		if (safe_create_leading_directories_const(sm_gitdir) < 0)
			die(_("could not create directory '%s'"), sm_gitdir);
		if (clone_submodule(path, sm_gitdir, url, depth, reference, quiet))
			die(_("clone of '%s' into submodule path '%s' failed"),
			    url, path);
	} else {
		if (safe_create_leading_directories_const(path) < 0)
			die(_("could not create directory '%s'"), path);
		strbuf_addf(&sb, "%s/index", sm_gitdir);
		unlink_or_warn(sb.buf);
		strbuf_reset(&sb);
	}

	/* Write a .git file in the submodule to redirect to the superproject. */
	strbuf_addf(&sb, "%s/.git", path);
	if (safe_create_leading_directories_const(sb.buf) < 0)
		die(_("could not create leading directories of '%s'"), sb.buf);
	submodule_dot_git = fopen(sb.buf, "w");
	if (!submodule_dot_git)
		die_errno(_("cannot open file '%s'"), sb.buf);

	fprintf_or_die(submodule_dot_git, "gitdir: %s\n",
		       relative_path(sm_gitdir, path, &rel_path));
	if (fclose(submodule_dot_git))
		die(_("could not close file %s"), sb.buf);
	strbuf_reset(&sb);
	strbuf_reset(&rel_path);

	/* Redirect the worktree of the submodule in the superproject's config */
	p = git_pathdup_submodule(path, "config");
	if (!p)
		die(_("could not get submodule directory for '%s'"), path);
	git_config_set_in_file(p, "core.worktree",
			       relative_path(path, sm_gitdir, &rel_path));
	strbuf_release(&sb);
	strbuf_release(&rel_path);
	free(sm_gitdir);
	free(path);
	free(p);
	return 0;
}

//.........这里部分代码省略.........
		{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
			N_("only update entries that differ from HEAD"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) reupdate_callback},
		OPT_BIT(0, "ignore-missing", &refresh_args.flags,
			N_("ignore files missing from worktree"),
			REFRESH_IGNORE_MISSING),
		OPT_SET_INT(0, "verbose", &verbose,
			N_("report actions to standard output"), 1),
		{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
			N_("(for porcelains) forget saved unresolved conflicts"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			resolve_undo_clear_callback},
		OPT_INTEGER(0, "index-version", &preferred_index_format,
			N_("write index in this format")),
		OPT_BOOL(0, "split-index", &split_index,
			N_("enable or disable split index")),
		OPT_BOOL(0, "untracked-cache", &untracked_cache,
			N_("enable/disable untracked cache")),
		OPT_SET_INT(0, "test-untracked-cache", &untracked_cache,
			    N_("test if the filesystem supports untracked cache"), UC_TEST),
		OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
			    N_("enable untracked cache without testing the filesystem"), UC_FORCE),
		OPT_SET_INT(0, "force-write-index", &force_write,
			N_("write out the index even if is not flagged as changed"), 1),
		OPT_BOOL(0, "fsmonitor", &fsmonitor,
			N_("enable or disable file system monitor")),
		{OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL,
			N_("mark files as fsmonitor valid"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL,
			N_("clear fsmonitor valid bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(update_index_usage, options);

	git_config(git_default_config, NULL);

	/* we will diagnose later if it turns out that we need to update it */
	newfd = hold_locked_index(&lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	/*
	 * Custom copy of parse_options() because we want to handle
	 * filename arguments as they come.
	 */
	parse_options_start(&ctx, argc, argv, prefix,
			    options, PARSE_OPT_STOP_AT_NON_OPTION);
	while (ctx.argc) {
		if (parseopt_state != PARSE_OPT_DONE)
			parseopt_state = parse_options_step(&ctx, options,
							    update_index_usage);
		if (!ctx.argc)
			break;
		switch (parseopt_state) {
		case PARSE_OPT_HELP:
		case PARSE_OPT_ERROR:
			exit(129);

int cmd_status(int argc, const char **argv, const char *prefix)
{
	struct wt_status s;
	unsigned char sha1[20];
	static struct option builtin_status_options[] = {
		OPT__VERBOSE(&verbose),
		OPT_SET_INT('s', "short", &status_format,
			    "show status concisely", STATUS_FORMAT_SHORT),
		OPT_SET_INT(0, "porcelain", &status_format,
			    "show porcelain output format",
			    STATUS_FORMAT_PORCELAIN),
		OPT_BOOLEAN('z', "null", &null_termination,
			    "terminate entries with NUL"),
		{ OPTION_STRING, 'u', "untracked-files", &untracked_files_arg,
		  "mode",
		  "show untracked files, optional modes: all, normal, no. (Default: all)",
		  PARSE_OPT_OPTARG, NULL, (intptr_t)"all" },
		OPT_END(),
	};

	if (null_termination && status_format == STATUS_FORMAT_LONG)
		status_format = STATUS_FORMAT_PORCELAIN;

	wt_status_prepare(&s);
	git_config(git_status_config, &s);
	in_merge = file_exists(git_path("MERGE_HEAD"));
	argc = parse_options(argc, argv, prefix,
			     builtin_status_options,
			     builtin_status_usage, 0);
	handle_untracked_files_arg(&s);

	if (*argv)
		s.pathspec = get_pathspec(prefix, argv);

	read_cache_preload(s.pathspec);
	refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, s.pathspec, NULL, NULL);
	s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
	s.in_merge = in_merge;
	wt_status_collect(&s);

	if (s.relative_paths)
		s.prefix = prefix;
	if (s.use_color == -1)
		s.use_color = git_use_color_default;
	if (diff_use_color_default == -1)
		diff_use_color_default = git_use_color_default;

	switch (status_format) {
	case STATUS_FORMAT_SHORT:
		wt_shortstatus_print(&s, null_termination);
		break;
	case STATUS_FORMAT_PORCELAIN:
		wt_porcelain_print(&s, null_termination);
		break;
	case STATUS_FORMAT_LONG:
		s.verbose = verbose;
		wt_status_print(&s);
		break;
	}
	return 0;
}

static void cmd_log_init_finish(int argc, const char **argv, const char *prefix,
			 struct rev_info *rev, struct setup_revision_opt *opt)
{
	struct userformat_want w;
	int quiet = 0, source = 0;

	const struct option builtin_log_options[] = {
		OPT_BOOLEAN(0, "quiet", &quiet, "suppress diff output"),
		OPT_BOOLEAN(0, "source", &source, "show source"),
		{ OPTION_CALLBACK, 0, "decorate", NULL, NULL, "decorate options",
		  PARSE_OPT_OPTARG, decorate_callback},
		OPT_END()
	};

	argc = parse_options(argc, argv, prefix,
			     builtin_log_options, builtin_log_usage,
			     PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN |
			     PARSE_OPT_KEEP_DASHDASH);

	argc = setup_revisions(argc, argv, rev, opt);
	if (quiet)
		rev->diffopt.output_format |= DIFF_FORMAT_NO_OUTPUT;

	/* Any arguments at this point are not recognized */
	if (argc > 1)
		die("unrecognized argument: %s", argv[1]);

	memset(&w, 0, sizeof(w));
	userformat_find_requirements(NULL, &w);

	if (!rev->show_notes_given && (!rev->pretty_given || w.notes))
		rev->show_notes = 1;
	if (rev->show_notes)
		init_display_notes(&rev->notes_opt);

	if (rev->diffopt.pickaxe || rev->diffopt.filter)
		rev->always_show_header = 0;
	if (DIFF_OPT_TST(&rev->diffopt, FOLLOW_RENAMES)) {
		rev->always_show_header = 0;
		if (rev->diffopt.pathspec.nr != 1)
			usage("git logs can only follow renames on one pathname at a time");
	}

	if (source)
		rev->show_source = 1;

	if (rev->pretty_given && rev->commit_format == CMIT_FMT_RAW) {
		/*
		 * "log --pretty=raw" is special; ignore UI oriented
		 * configuration variables such as decoration.
		 */
		if (!decoration_given)
			decoration_style = 0;
		if (!rev->abbrev_commit_given)
			rev->abbrev_commit = 0;
	}

	if (decoration_style) {
		rev->show_decorations = 1;
		load_ref_decorations(decoration_style);
	}
	setup_pager();
}