nixpkgs/nixos/modules/services/misc/tzupdate.nix

45 lines
1.2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.tzupdate;
in {
options.services.tzupdate = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable the tzupdate timezone updating service. This provides
a one-shot service which can be activated with systemctl to
update the timezone.
'';
};
};
config = mkIf cfg.enable {
# We need to have imperative time zone management for this to work.
# This will give users an error if they have set an explicit time
# zone, which is better than silently overriding it.
time.timeZone = null;
# We provide a one-shot service which can be manually run. We could
# provide a service that runs on startup, but it's tricky to get
# a service to run after you have *internet* access.
systemd.services.tzupdate = {
description = "tzupdate timezone update service";
wants = [ "network-online.target" ];
after = [ "network-online.target" ];
script = ''
timedatectl set-timezone $(${lib.getExe pkgs.tzupdate} --print-only)
'';
serviceConfig = {
Type = "oneshot";
};
};
};
meta.maintainers = with lib.maintainers; [ doronbehar ];
}