diff options
Diffstat (limited to 'nixos/modules/config/timezone.nix')
-rw-r--r-- | nixos/modules/config/timezone.nix | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/nixos/modules/config/timezone.nix b/nixos/modules/config/timezone.nix index 39a45042c6cc..9f849c24c113 100644 --- a/nixos/modules/config/timezone.nix +++ b/nixos/modules/config/timezone.nix @@ -14,13 +14,16 @@ in time = { timeZone = mkOption { - default = "UTC"; - type = types.str; + default = null; + type = types.nullOr types.str; example = "America/New_York"; description = '' The time zone used when displaying times and dates. See <link xlink:href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones"/> for a comprehensive list of possible values for this setting. + + If null, the timezone will default to UTC and can be set imperatively + using timedatectl. ''; }; @@ -40,13 +43,14 @@ in # This way services are restarted when tzdata changes. systemd.globalEnvironment.TZDIR = tzdir; - environment.etc.localtime = - { source = "/etc/zoneinfo/${config.time.timeZone}"; - mode = "direct-symlink"; - }; - - environment.etc.zoneinfo.source = tzdir; + systemd.services.systemd-timedated.environment = lib.optionalAttrs (config.time.timeZone != null) { NIXOS_STATIC_TIMEZONE = "1"; }; + environment.etc = { + zoneinfo.source = tzdir; + } // lib.optionalAttrs (config.time.timeZone == null) { + localtime.source = "/etc/zoneinfo/${config.time.timeZone}"; + localtime.mode = "direct-symlink"; + }; }; } |