45 lines
866 B
Nix
45 lines
866 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 "periodic SSD TRIM of mounted partitions in background";
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interval = mkOption {
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type = types.string;
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default = "weekly";
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description = ''
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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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<citerefentry><refentrytitle>systemd.time</refentrytitle>
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<manvolnum>7</manvolnum></citerefentry>.
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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.utillinux ];
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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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}
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