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fix(timezone): make sure legacy time zones are no longer used
Debian Trixie has removed several time zones. This change makes sure only the current IANA time zones are in use.
This commit is contained in:
Frédéric Guillot
GitHub
parent
4eff9129ab
commit
b1742168e1
6 changed files with 652 additions and 54 deletions
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@ -1158,4 +1158,187 @@ var migrations = [...]func(tx *sql.Tx) error{
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_, err = tx.Exec(sql)
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return err
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},
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// This migration replaces deprecated timezones by their equivalent on Debian Trixie.
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func(tx *sql.Tx) (err error) {
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var deprecatedTimeZoneMap = map[string]string{
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// Africa
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"Africa/Asmera": "Africa/Asmara",
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// America - Argentina
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"America/Argentina/ComodRivadavia": "America/Argentina/Catamarca",
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"America/Buenos_Aires": "America/Argentina/Buenos_Aires",
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"America/Catamarca": "America/Argentina/Catamarca",
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"America/Cordoba": "America/Argentina/Cordoba",
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"America/Jujuy": "America/Argentina/Jujuy",
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"America/Mendoza": "America/Argentina/Mendoza",
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"America/Rosario": "America/Argentina/Cordoba",
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// America - US
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"America/Fort_Wayne": "America/Indiana/Indianapolis",
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"America/Indianapolis": "America/Indiana/Indianapolis",
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"America/Knox_IN": "America/Indiana/Knox",
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"America/Louisville": "America/Kentucky/Louisville",
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// America - Greenland
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"America/Godthab": "America/Nuuk",
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// Antarctica
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"Antarctica/South_Pole": "Pacific/Auckland",
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// Asia
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"Asia/Ashkhabad": "Asia/Ashgabat",
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"Asia/Calcutta": "Asia/Kolkata",
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"Asia/Choibalsan": "Asia/Ulaanbaatar",
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"Asia/Chungking": "Asia/Chongqing",
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"Asia/Dacca": "Asia/Dhaka",
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"Asia/Katmandu": "Asia/Kathmandu",
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"Asia/Macao": "Asia/Macau",
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"Asia/Rangoon": "Asia/Yangon",
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"Asia/Saigon": "Asia/Ho_Chi_Minh",
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"Asia/Thimbu": "Asia/Thimphu",
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"Asia/Ujung_Pandang": "Asia/Makassar",
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"Asia/Ulan_Bator": "Asia/Ulaanbaatar",
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// Atlantic
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"Atlantic/Faeroe": "Atlantic/Faroe",
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// Australia
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"Australia/ACT": "Australia/Sydney",
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"Australia/LHI": "Australia/Lord_Howe",
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"Australia/North": "Australia/Darwin",
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"Australia/NSW": "Australia/Sydney",
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"Australia/Queensland": "Australia/Brisbane",
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"Australia/South": "Australia/Adelaide",
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"Australia/Tasmania": "Australia/Hobart",
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"Australia/Victoria": "Australia/Melbourne",
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"Australia/West": "Australia/Perth",
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// Brazil
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"Brazil/Acre": "America/Rio_Branco",
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"Brazil/DeNoronha": "America/Noronha",
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"Brazil/East": "America/Sao_Paulo",
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"Brazil/West": "America/Manaus",
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// Canada
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"Canada/Atlantic": "America/Halifax",
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"Canada/Central": "America/Winnipeg",
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"Canada/Eastern": "America/Toronto",
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"Canada/Mountain": "America/Edmonton",
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"Canada/Newfoundland": "America/St_Johns",
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"Canada/Pacific": "America/Vancouver",
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"Canada/Saskatchewan": "America/Regina",
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"Canada/Yukon": "America/Whitehorse",
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// Europe
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"CET": "Europe/Paris",
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"EET": "Europe/Sofia",
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"Europe/Kiev": "Europe/Kyiv",
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"Europe/Uzhgorod": "Europe/Kyiv",
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"Europe/Zaporozhye": "Europe/Kyiv",
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"MET": "Europe/Paris",
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"WET": "Europe/Lisbon",
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// Chile
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"Chile/Continental": "America/Santiago",
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"Chile/EasterIsland": "Pacific/Easter",
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// Fixed offset and generic zones
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"CST6CDT": "America/Chicago",
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"EST": "America/New_York",
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"EST5EDT": "America/New_York",
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"HST": "Pacific/Honolulu",
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"MST": "America/Denver",
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"MST7MDT": "America/Denver",
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"PST8PDT": "America/Los_Angeles",
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// Countries/Regions
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"Cuba": "America/Havana",
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"Egypt": "Africa/Cairo",
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"Eire": "Europe/Dublin",
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"GB": "Europe/London",
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"GB-Eire": "Europe/London",
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"Hongkong": "Asia/Hong_Kong",
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"Iceland": "Atlantic/Reykjavik",
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"Iran": "Asia/Tehran",
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"Israel": "Asia/Jerusalem",
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"Jamaica": "America/Jamaica",
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"Japan": "Asia/Tokyo",
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"Libya": "Africa/Tripoli",
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"Poland": "Europe/Warsaw",
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"Portugal": "Europe/Lisbon",
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"PRC": "Asia/Shanghai",
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"ROC": "Asia/Taipei",
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"ROK": "Asia/Seoul",
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"Singapore": "Asia/Singapore",
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"Turkey": "Europe/Istanbul",
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// GMT variations
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"GMT+0": "GMT",
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"GMT-0": "GMT",
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"GMT0": "GMT",
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"Greenwich": "GMT",
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"UCT": "UTC",
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"Universal": "UTC",
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"Zulu": "UTC",
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// Mexico
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"Mexico/BajaNorte": "America/Tijuana",
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"Mexico/BajaSur": "America/Mazatlan",
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"Mexico/General": "America/Mexico_City",
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// US zones
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"Navajo": "America/Denver",
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"US/Alaska": "America/Anchorage",
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"US/Aleutian": "America/Adak",
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"US/Arizona": "America/Phoenix",
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"US/Central": "America/Chicago",
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"US/Eastern": "America/New_York",
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"US/East-Indiana": "America/Indiana/Indianapolis",
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"US/Hawaii": "Pacific/Honolulu",
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"US/Indiana-Starke": "America/Indiana/Knox",
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"US/Michigan": "America/Detroit",
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"US/Mountain": "America/Denver",
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"US/Pacific": "America/Los_Angeles",
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"US/Samoa": "Pacific/Pago_Pago",
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// Pacific
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"Kwajalein": "Pacific/Kwajalein",
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"NZ": "Pacific/Auckland",
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"NZ-CHAT": "Pacific/Chatham",
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"Pacific/Enderbury": "Pacific/Kanton",
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"Pacific/Ponape": "Pacific/Pohnpei",
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"Pacific/Truk": "Pacific/Chuuk",
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// Special cases
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"Factory": "UTC", // Factory is used for unconfigured systems
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"W-SU": "Europe/Moscow",
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}
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// Loop through each user and correct the timezone
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rows, err := tx.Query(`SELECT id, timezone FROM users`)
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if err != nil {
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return err
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}
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userTimezoneMap := make(map[int64]string)
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for rows.Next() {
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var userID int64
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var userTimezone string
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if err := rows.Scan(&userID, &userTimezone); err != nil {
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return err
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}
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userTimezoneMap[userID] = userTimezone
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}
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rows.Close()
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for userID, userTimezone := range userTimezoneMap {
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if newTimezone, found := deprecatedTimeZoneMap[userTimezone]; found {
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if _, err := tx.Exec(`UPDATE users SET timezone = $1 WHERE id = $2`, newTimezone, userID); err != nil {
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return err
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}
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}
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}
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return nil
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},
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}
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