44438e0dcd
The OnCalendar systemd setting is additive. To clear the setting defined by the pre-existing unit file, it has to be set first to an empty string, then to the desired value.
46 lines
856 B
Nix
46 lines
856 B
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.fstrim;
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in {
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options = {
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services.fstrim = {
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enable = mkEnableOption (lib.mdDoc "periodic SSD TRIM of mounted partitions in background");
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interval = mkOption {
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type = types.str;
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default = "weekly";
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description = lib.mdDoc ''
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How often we run fstrim. For most desktop and server systems
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a sufficient trimming frequency is once a week.
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The format is described in
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{manpage}`systemd.time(7)`.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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systemd.packages = [ pkgs.util-linux ];
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systemd.timers.fstrim = {
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timerConfig = {
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OnCalendar = [ "" cfg.interval ];
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};
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wantedBy = [ "timers.target" ];
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};
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};
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meta.maintainers = with maintainers; [ ];
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}
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