pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6
7 tzdir = "${pkgs.tzdata}/share/zoneinfo";
8 nospace = str: filter (c: c == " ") (stringToCharacters str) == [];
9 timezone = types.nullOr (types.addCheck types.str nospace)
10 // { description = "null or string without spaces"; };
11
12 lcfg = config.location;
13
14in
15
16{
17 options = {
18
19 time = {
20
21 timeZone = mkOption {
22 default = null;
23 type = timezone;
24 example = "America/New_York";
25 description = ''
26 The time zone used when displaying times and dates. See <link
27 xlink:href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones"/>
28 for a comprehensive list of possible values for this setting.
29
30 If null, the timezone will default to UTC and can be set imperatively
31 using timedatectl.
32 '';
33 };
34
35 hardwareClockInLocalTime = mkOption {
36 default = false;
37 type = types.bool;
38 description = "If set, keep the hardware clock in local time instead of UTC.";
39 };
40
41 };
42
43 location = {
44
45 latitude = mkOption {
46 type = types.float;
47 description = ''
48 Your current latitude, between
49 <literal>-90.0</literal> and <literal>90.0</literal>. Must be provided
50 along with longitude.
51 '';
52 };
53
54 longitude = mkOption {
55 type = types.float;
56 description = ''
57 Your current longitude, between
58 between <literal>-180.0</literal> and <literal>180.0</literal>. Must be
59 provided along with latitude.
60 '';
61 };
62
63 provider = mkOption {
64 type = types.enum [ "manual" "geoclue2" ];
65 default = "manual";
66 description = ''
67 The location provider to use for determining your location. If set to
68 <literal>manual</literal> you must also provide latitude/longitude.
69 '';
70 };
71
72 };
73 };
74
75 config = {
76
77 environment.sessionVariables.TZDIR = "/etc/zoneinfo";
78
79 services.geoclue2.enable = mkIf (lcfg.provider == "geoclue2") true;
80
81 # This way services are restarted when tzdata changes.
82 systemd.globalEnvironment.TZDIR = tzdir;
83
84 systemd.services.systemd-timedated.environment = lib.optionalAttrs (config.time.timeZone != null) { NIXOS_STATIC_TIMEZONE = "1"; };
85
86 environment.etc = {
87 zoneinfo.source = tzdir;
88 } // lib.optionalAttrs (config.time.timeZone != null) {
89 localtime.source = "/etc/zoneinfo/${config.time.timeZone}";
90 localtime.mode = "direct-symlink";
91 };
92 };
93
94}