Ejemplo n.º 1
0
/** React to modifying hte given variable */
static void react_to_variable_change(const wcstring &key) {
    if(var_is_locale(key)){
        handle_locale();
    } else if (key == L"fish_term256") {
        update_fish_term256();
        reader_react_to_color_change();
    } else if (string_prefixes_string(L"fish_color_", key)) {
        reader_react_to_color_change();
    }
}
Ejemplo n.º 2
0
int main(int argc, char **argv)
{
    int res=1;
    int my_optind=0;

    set_main_thread();
    setup_fork_guards();

    wsetlocale(LC_ALL, L"");
    is_interactive_session=1;
    program_name=L"fish";

    //struct stat tmp;
    //stat("----------FISH_HIT_MAIN----------", &tmp);

    std::vector<std::string> cmds;
    my_optind = fish_parse_opt(argc, argv, &cmds);

    /*
      No-exec is prohibited when in interactive mode
    */
    if (is_interactive_session && no_exec)
    {
        debug(1, _(L"Can not use the no-execute mode when running an interactive session"));
        no_exec = 0;
    }

    /* Only save (and therefore restore) the fg process group if we are interactive. See #197, #1002 */
    if (is_interactive_session)
    {
        save_term_foreground_process_group();
    }

    const struct config_paths_t paths = determine_config_directory_paths(argv[0]);

    proc_init();
    event_init();
    wutil_init();
    builtin_init();
    function_init();
    env_init(&paths);
    reader_init();
    history_init();
    /* For setcolor to support term256 in config.fish (#1022) */
    update_fish_term256();

    parser_t &parser = parser_t::principal_parser();

    if (g_log_forks)
        printf("%d: g_fork_count: %d\n", __LINE__, g_fork_count);

    const io_chain_t empty_ios;
    if (read_init(paths))
    {
        /* Stop the exit status of any initialization commands (#635) */
        proc_set_last_status(STATUS_BUILTIN_OK);

        /* Run the commands specified as arguments, if any */
        if (! cmds.empty())
        {
            /* Do something nasty to support OpenSUSE assuming we're bash. This may modify cmds. */
            if (is_login)
            {
                fish_xdm_login_hack_hack_hack_hack(&cmds, argc - my_optind, argv + my_optind);
            }
            for (size_t i=0; i < cmds.size(); i++)
            {
                const wcstring cmd_wcs = str2wcstring(cmds.at(i));
                res = parser.eval(cmd_wcs, empty_ios, TOP);
            }
            reader_exit(0, 0);
        }
        else
        {
            if (my_optind == argc)
            {
                res = reader_read(STDIN_FILENO, empty_ios);
            }
            else
            {
                char **ptr;
                char *file = *(argv+(my_optind++));
                int i;
                int fd;


                if ((fd = open(file, O_RDONLY)) == -1)
                {
                    wperror(L"open");
                    return 1;
                }

                // OK to not do this atomically since we cannot have gone multithreaded yet
                set_cloexec(fd);

                if (*(argv+my_optind))
                {
                    wcstring sb;
                    for (i=1,ptr = argv+my_optind; *ptr; i++, ptr++)
                    {
                        if (i != 1)
                            sb.append(ARRAY_SEP_STR);
                        sb.append(str2wcstring(*ptr));
                    }

                    env_set(L"argv", sb.c_str(), 0);
                }

                const wcstring rel_filename = str2wcstring(file);
                const wchar_t *abs_filename = wrealpath(rel_filename, NULL);

                if (!abs_filename)
                {
                    abs_filename = wcsdup(rel_filename.c_str());
                }

                reader_push_current_filename(intern(abs_filename));
                free((void *)abs_filename);

                res = reader_read(fd, empty_ios);

                if (res)
                {
                    debug(1,
                          _(L"Error while reading file %ls\n"),
                          reader_current_filename()?reader_current_filename(): _(L"Standard input"));
                }
                reader_pop_current_filename();
            }
        }
    }

    proc_fire_event(L"PROCESS_EXIT", EVENT_EXIT, getpid(), res);

    restore_term_mode();
    restore_term_foreground_process_group();
    history_destroy();
    proc_destroy();
    builtin_destroy();
    reader_destroy();
    parser.destroy();
    wutil_destroy();
    event_destroy();

    env_destroy();

    if (g_log_forks)
        printf("%d: g_fork_count: %d\n", __LINE__, g_fork_count);

    exit_without_destructors(res ? STATUS_UNKNOWN_COMMAND : proc_get_last_status());
    return EXIT_FAILURE; //above line should always exit
}