apple / swift-corelibs-foundation

The Foundation Project, providing core utilities, internationalization, and OS independence
swift.org
Apache License 2.0
5.22k stars 1.12k forks source link

TimeZone can't be initialized with some identifiers on Ubuntu 24.04 and Swift 5.10 #4984

Open codemeister64 opened 1 week ago

codemeister64 commented 1 week ago

Env:

Issue: TimeZone can't be initialized with some identifiers, e.g:

TimeZone(identifier: "Europe/Kyiv") // will return nil

Also, knownIdentifiers method returns truncated identifiers list:

Known Identifiers list ```swift TimeZone.knownTimeZoneIdentifiers // will return the following array: ["Europe/Andorra", "Asia/Dubai", "Asia/Kabul", "America/Antigua", "America/Anguilla", "Europe/Tirane", "Asia/Yerevan", "Africa/Luanda", "Antarctica/McMurdo", "Antarctica/Casey", "Antarctica/Davis", "Antarctica/DumontDUrville", "Antarctica/Mawson", "Antarctica/Palmer", "Antarctica/Rothera", "Antarctica/Syowa", "Antarctica/Troll", "Antarctica/Vostok", "America/Argentina/Buenos_Aires", "America/Argentina/Cordoba", "America/Argentina/Salta", "America/Argentina/Jujuy", "America/Argentina/Tucuman", "America/Argentina/Catamarca", "America/Argentina/La_Rioja", "America/Argentina/San_Juan", "America/Argentina/Mendoza", "America/Argentina/San_Luis", "America/Argentina/Rio_Gallegos", "America/Argentina/Ushuaia", "Pacific/Pago_Pago", "Europe/Vienna", "Australia/Lord_Howe", "Antarctica/Macquarie", "Australia/Hobart", "Australia/Melbourne", "Australia/Sydney", "Australia/Broken_Hill", "Australia/Brisbane", "Australia/Lindeman", "Australia/Adelaide", "Australia/Darwin", "Australia/Perth", "Australia/Eucla", "America/Aruba", "Europe/Mariehamn", "Asia/Baku", "Europe/Sarajevo", "America/Barbados", "Asia/Dhaka", "Europe/Brussels", "Africa/Ouagadougou", "Europe/Sofia", "Asia/Bahrain", "Africa/Bujumbura", "Africa/Porto-Novo", "America/St_Barthelemy", "Atlantic/Bermuda", "Asia/Brunei", "America/La_Paz", "America/Kralendijk", "America/Noronha", "America/Belem", "America/Fortaleza", "America/Recife", "America/Araguaina", "America/Maceio", "America/Bahia", "America/Sao_Paulo", "America/Campo_Grande", "America/Cuiaba", "America/Santarem", "America/Porto_Velho", "America/Boa_Vista", "America/Manaus", "America/Eirunepe", "America/Rio_Branco", "America/Nassau", "Asia/Thimphu", "Africa/Gaborone", "Europe/Minsk", "America/Belize", "America/St_Johns", "America/Halifax", "America/Glace_Bay", "America/Moncton", "America/Goose_Bay", "America/Blanc-Sablon", "America/Toronto", "America/Iqaluit", "America/Atikokan", "America/Winnipeg", "America/Resolute", "America/Rankin_Inlet", "America/Regina", "America/Swift_Current", "America/Edmonton", "America/Cambridge_Bay", "America/Inuvik", "America/Creston", "America/Dawson_Creek", "America/Fort_Nelson", "America/Whitehorse", "America/Dawson", "America/Vancouver", "Indian/Cocos", "Africa/Kinshasa", "Africa/Lubumbashi", "Africa/Bangui", "Africa/Brazzaville", "Europe/Zurich", "Africa/Abidjan", "Pacific/Rarotonga", "America/Santiago", "America/Punta_Arenas", "Pacific/Easter", "Africa/Douala", "Asia/Shanghai", "Asia/Urumqi", "America/Bogota", "America/Costa_Rica", "America/Havana", "Atlantic/Cape_Verde", "America/Curacao", "Indian/Christmas", "Asia/Nicosia", "Asia/Famagusta", "Europe/Prague", "Europe/Berlin", "Europe/Busingen", "Africa/Djibouti", "Europe/Copenhagen", "America/Dominica", "America/Santo_Domingo", "Africa/Algiers", "America/Guayaquil", "Pacific/Galapagos", "Europe/Tallinn", "Africa/Cairo", "Africa/El_Aaiun", "Africa/Asmara", "Europe/Madrid", "Africa/Ceuta", "Atlantic/Canary", "Africa/Addis_Ababa", "Europe/Helsinki", "Pacific/Fiji", "Atlantic/Stanley", "Pacific/Chuuk", "Pacific/Pohnpei", "Pacific/Kosrae", "Atlantic/Faroe", "Europe/Paris", "Africa/Libreville", "Europe/London", "America/Grenada", "Asia/Tbilisi", "America/Cayenne", "Europe/Guernsey", "Africa/Accra", "Europe/Gibraltar", "America/Nuuk", "America/Danmarkshavn", "America/Scoresbysund", "America/Thule", "Africa/Banjul", "Africa/Conakry", "America/Guadeloupe", "Africa/Malabo", "Europe/Athens", "Atlantic/South_Georgia", "America/Guatemala", "Pacific/Guam", "Africa/Bissau", "America/Guyana", "Asia/Hong_Kong", "America/Tegucigalpa", "Europe/Zagreb", "America/Port-au-Prince", "Europe/Budapest", "Asia/Jakarta", "Asia/Pontianak", "Asia/Makassar", "Asia/Jayapura", "Europe/Dublin", "Asia/Jerusalem", "Europe/Isle_of_Man", "Asia/Kolkata", "Indian/Chagos", "Asia/Baghdad", "Asia/Tehran", "Atlantic/Reykjavik", "Europe/Rome", "Europe/Jersey", "America/Jamaica", "Asia/Amman", "Asia/Tokyo", "Africa/Nairobi", "Asia/Bishkek", "Asia/Phnom_Penh", "Pacific/Tarawa", "Pacific/Kiritimati", "Indian/Comoro", "America/St_Kitts", "Asia/Pyongyang", "Asia/Seoul", "Asia/Kuwait", "America/Cayman", "Asia/Almaty", "Asia/Qyzylorda", "Asia/Qostanay", "Asia/Aqtobe", "Asia/Aqtau", "Asia/Atyrau", "Asia/Oral", "Asia/Vientiane", "Asia/Beirut", "America/St_Lucia", "Europe/Vaduz", "Asia/Colombo", "Africa/Monrovia", "Africa/Maseru", "Europe/Vilnius", "Europe/Luxembourg", "Europe/Riga", "Africa/Tripoli", "Africa/Casablanca", "Europe/Monaco", "Europe/Chisinau", "Europe/Podgorica", "America/Marigot", "Indian/Antananarivo", "Pacific/Majuro", "Pacific/Kwajalein", "Europe/Skopje", "Africa/Bamako", "Asia/Yangon", "Asia/Ulaanbaatar", "Asia/Hovd", "Asia/Choibalsan", "Asia/Macau", "Pacific/Saipan", "America/Martinique", "Africa/Nouakchott", "America/Montserrat", "Europe/Malta", "Indian/Mauritius", "Indian/Maldives", "Africa/Blantyre", "America/Mexico_City", "America/Cancun", "America/Merida", "America/Monterrey", "America/Matamoros", "America/Chihuahua", "America/Ojinaga", "America/Mazatlan", "America/Bahia_Banderas", "America/Hermosillo", "America/Tijuana", "Asia/Kuala_Lumpur", "Asia/Kuching", "Africa/Maputo", "Africa/Windhoek", "Pacific/Noumea", "Africa/Niamey", "Pacific/Norfolk", "Africa/Lagos", "America/Managua", "Europe/Amsterdam", "Europe/Oslo", "Asia/Kathmandu", "Pacific/Nauru", "Pacific/Niue", "Pacific/Auckland", "Pacific/Chatham", "Asia/Muscat", "America/Panama", "America/Lima", "Pacific/Tahiti", "Pacific/Marquesas", "Pacific/Gambier", "Pacific/Port_Moresby", "Pacific/Bougainville", "Asia/Manila", "Asia/Karachi", "Europe/Warsaw", "America/Miquelon", "Pacific/Pitcairn", "America/Puerto_Rico", "Asia/Gaza", "Asia/Hebron", "Europe/Lisbon", "Atlantic/Madeira", "Atlantic/Azores", "Pacific/Palau", "America/Asuncion", "Asia/Qatar", "Indian/Reunion", "Europe/Bucharest", "Europe/Belgrade", "Europe/Kaliningrad", "Europe/Moscow", "Europe/Simferopol", "Europe/Kirov", "Europe/Volgograd", "Europe/Astrakhan", "Europe/Saratov", "Europe/Ulyanovsk", "Europe/Samara", "Asia/Yekaterinburg", "Asia/Omsk", "Asia/Novosibirsk", "Asia/Barnaul", "Asia/Tomsk", "Asia/Novokuznetsk", "Asia/Krasnoyarsk", "Asia/Irkutsk", "Asia/Chita", "Asia/Yakutsk", "Asia/Khandyga", "Asia/Vladivostok", "Asia/Ust-Nera", "Asia/Magadan", "Asia/Sakhalin", "Asia/Srednekolymsk", "Asia/Kamchatka", "Asia/Anadyr", "Africa/Kigali", "Asia/Riyadh", "Pacific/Guadalcanal", "Indian/Mahe", "Africa/Khartoum", "Europe/Stockholm", "Asia/Singapore", "Atlantic/St_Helena", "Europe/Ljubljana", "Arctic/Longyearbyen", "Europe/Bratislava", "Africa/Freetown", "Europe/San_Marino", "Africa/Dakar", "Africa/Mogadishu", "America/Paramaribo", "Africa/Juba", "Africa/Sao_Tome", "America/El_Salvador", "America/Lower_Princes", "Asia/Damascus", "Africa/Mbabane", "America/Grand_Turk", "Africa/Ndjamena", "Indian/Kerguelen", "Africa/Lome", "Asia/Bangkok", "Asia/Dushanbe", "Pacific/Fakaofo", "Asia/Dili", "Asia/Ashgabat", "Africa/Tunis", "Pacific/Tongatapu", "Europe/Istanbul", "America/Port_of_Spain", "Pacific/Funafuti", "Asia/Taipei", "Africa/Dar_es_Salaam", "Africa/Kampala", "Pacific/Midway", "Pacific/Wake", "America/New_York", "America/Detroit", "America/Kentucky/Louisville", "America/Kentucky/Monticello", "America/Indiana/Indianapolis", "America/Indiana/Vincennes", "America/Indiana/Winamac", "America/Indiana/Marengo", "America/Indiana/Petersburg", "America/Indiana/Vevay", "America/Chicago", "America/Indiana/Tell_City", "America/Indiana/Knox", "America/Menominee", "America/North_Dakota/Center", "America/North_Dakota/New_Salem", "America/North_Dakota/Beulah", "America/Denver", "America/Boise", "America/Phoenix", "America/Los_Angeles", "America/Anchorage", "America/Juneau", "America/Sitka", "America/Metlakatla", "America/Yakutat", "America/Nome", "America/Adak", "Pacific/Honolulu", "America/Montevideo", "Asia/Samarkand", "Asia/Tashkent", "Europe/Vatican", "America/St_Vincent", "America/Caracas", "America/Tortola", "America/St_Thomas", "Asia/Ho_Chi_Minh", "Pacific/Efate", "Pacific/Wallis", "Pacific/Apia", "Asia/Aden", "Indian/Mayotte", "Africa/Johannesburg", "Africa/Lusaka", "Africa/Harare"] ```

The list above doesn't contain "Europe/Kyiv" or "Europe/Kiev" (old styly) TZ id.

The issue possibly related to this PR

etcwilde commented 1 week ago

I am able to repro this and it is consistent across distros that have the new spelling.

The knownTimeZoneIdentifiers is interesting. I expect Europe/Kiev to be missing since it was straight-up removed (unfortunately that means that there isn't a non-breaking way to bridge this which is why I made the change that I did), so that's not too interesting. The fact that Kyiv is missing is though. That's populated through CFTimeZoneCopyKnownNames which should just be copying the directory structure in __CFCopyRecursiveDirectoryList though it filters out certain names. Will need to poke around in the filtering to see if it's removing the Kyiv spelling for some reason.

// CoreFoundation/NumberDate.subproj/CFTimeZone.c
CFArrayRef CFTimeZoneCopyKnownNames(void) {
    CFArrayRef tzs;
    __CFTimeZoneLockGlobal();
    if (NULL == __CFKnownTimeZoneList) {
    CFMutableArrayRef list;
/* TimeZone information locate in the registry for Win32
 * (Aleksey Dukhnyakov)
 */
#if TARGET_OS_WIN32
        list = __CFCopyWindowsTimeZoneList();
#elif TARGET_OS_ANDROID
        list = __CFCopyAndroidTimeZoneList();
#else
        list = __CFCopyRecursiveDirectoryList();
#endif
    // Remove undesirable ancient cruft
    CFDictionaryRef dict = __CFTimeZoneCopyCompatibilityDictionary();
    CFIndex idx;
    for (idx = CFArrayGetCount(list); idx--; ) {
        CFStringRef item = (CFStringRef)CFArrayGetValueAtIndex(list, idx);
        if (CFDictionaryContainsKey(dict, item) || !__nameStringOK(item)) {
        CFArrayRemoveValueAtIndex(list, idx);
        }
    }
    __CFKnownTimeZoneList = CFArrayCreateCopy(kCFAllocatorSystemDefault, list);
    CFRelease(list);
    }
    tzs = __CFKnownTimeZoneList ? (CFArrayRef)CFRetain(__CFKnownTimeZoneList) : NULL;
    __CFTimeZoneUnlockGlobal();
    return tzs;
}