depot/nixos/modules/config/locale.nix
Luke Granger-Brown 57725ef3ec Squashed 'third_party/nixpkgs/' content from commit 76612b17c0ce
git-subtree-dir: third_party/nixpkgs
git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
2024-11-10 23:59:47 +00:00

90 lines
2.4 KiB
Nix

{ config, lib, pkgs, ... }:
let
tzdir = "${pkgs.tzdata}/share/zoneinfo";
nospace = str: lib.filter (c: c == " ") (lib.stringToCharacters str) == [];
timezone = lib.types.nullOr (lib.types.addCheck lib.types.str nospace)
// { description = "null or string without spaces"; };
lcfg = config.location;
in
{
options = {
time = {
timeZone = lib.mkOption {
default = null;
type = timezone;
example = "America/New_York";
description = ''
The time zone used when displaying times and dates. See <https://en.wikipedia.org/wiki/List_of_tz_database_time_zones>
for a comprehensive list of possible values for this setting.
If null, the timezone will default to UTC and can be set imperatively
using timedatectl.
'';
};
hardwareClockInLocalTime = lib.mkOption {
default = false;
type = lib.types.bool;
description = "If set, keep the hardware clock in local time instead of UTC.";
};
};
location = {
latitude = lib.mkOption {
type = lib.types.float;
description = ''
Your current latitude, between
`-90.0` and `90.0`. Must be provided
along with longitude.
'';
};
longitude = lib.mkOption {
type = lib.types.float;
description = ''
Your current longitude, between
between `-180.0` and `180.0`. Must be
provided along with latitude.
'';
};
provider = lib.mkOption {
type = lib.types.enum [ "manual" "geoclue2" ];
default = "manual";
description = ''
The location provider to use for determining your location. If set to
`manual` you must also provide latitude/longitude.
'';
};
};
};
config = {
environment.sessionVariables.TZDIR = "/etc/zoneinfo";
services.geoclue2.enable = lib.mkIf (lcfg.provider == "geoclue2") true;
# This way services are restarted when tzdata changes.
systemd.globalEnvironment.TZDIR = tzdir;
systemd.services.systemd-timedated.environment = lib.optionalAttrs (config.time.timeZone != null) { NIXOS_STATIC_TIMEZONE = "1"; };
environment.etc = {
zoneinfo.source = tzdir;
} // lib.optionalAttrs (config.time.timeZone != null) {
localtime.source = "/etc/zoneinfo/${config.time.timeZone}";
localtime.mode = "direct-symlink";
};
};
}