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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.fstrim;
in {
options = {
services.fstrim = {
enable = mkEnableOption "periodic SSD TRIM of mounted partitions in background";
interval = mkOption {
type = types.str;
default = "weekly";
description = ''
How often we run fstrim. For most desktop and server systems
a sufficient trimming frequency is once a week.
The format is described in
<citerefentry><refentrytitle>systemd.time</refentrytitle>
<manvolnum>7</manvolnum></citerefentry>.
'';
};
};
};
config = mkIf cfg.enable {
systemd.packages = [ pkgs.util-linux ];
systemd.timers.fstrim = {
timerConfig = {
OnCalendar = cfg.interval;
};
wantedBy = [ "timers.target" ];
};
};
meta.maintainers = with maintainers; [ ];
}
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