nixpkgs/nixos/modules/services/system/localtime.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.localtime;
in {
options = {
services.localtime = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable <literal>localtime</literal>, simple daemon for keeping the system
timezone up-to-date based on the current location. It uses geoclue2 to
determine the current location and systemd-timedated to actually set
the timezone.
'';
};
};
};
config = mkIf cfg.enable {
services.geoclue2 = {
enable = true;
2019-08-13 21:52:01 +00:00
appConfig.localtime = {
isAllowed = true;
isSystem = true;
};
};
# Install the polkit rules.
environment.systemPackages = [ pkgs.localtime ];
# Install the systemd unit.
systemd.packages = [ pkgs.localtime ];
users.users.localtimed = {
description = "localtime daemon";
isSystemUser = true;
};
systemd.services.localtime = {
wantedBy = [ "multi-user.target" ];
serviceConfig.Restart = "on-failure";
};
};
}