forked from mirrors/nixpkgs
46 lines
1.4 KiB
Nix
46 lines
1.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.tzupdate;
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in {
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options.services.tzupdate = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable the tzupdate timezone updating service. This provides
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a one-shot service which can be activated with systemctl to
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update the timezone.
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'';
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};
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};
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config = mkIf cfg.enable {
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# We need to have imperative time zone management for this to work.
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# This will give users an error if they have set an explicit time
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# zone, which is better than silently overriding it.
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time.timeZone = null;
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# We provide a one-shot service which can be manually run. We could
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# provide a service that runs on startup, but it's tricky to get
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# a service to run after you have *internet* access.
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systemd.services.tzupdate = {
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description = "tzupdate timezone update service";
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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Type = "oneshot";
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# We could link directly into pkgs.tzdata, but at least timedatectl seems
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# to expect the symlink to point directly to a file in etc.
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# Setting the "debian timezone file" to point at /dev/null stops it doing anything.
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ExecStart = "${pkgs.tzupdate}/bin/tzupdate -z /etc/zoneinfo -d /dev/null";
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};
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};
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};
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meta.maintainers = [ maintainers.michaelpj ];
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}
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