refactor(eclipse): run hdparm in oneshot service

Signed-off-by: Sefa Eyeoglu <[e-mail]>

nixosConfigurations/eclipse/boot.nix

···
-{
-  lib,
-  pkgs,
-  ...
-}: let
-  inherit (lib) getExe;
-in {
+{pkgs, ...}: {
   hardware.enableRedistributableFirmware = true;
 
   boot = {
···
   powerManagement = {
     cpuFreqGovernor = "ondemand";
     powertop.enable = true;
-    powerUpCommands = let
-      hdparm = getExe pkgs.hdparm;
-      sleep = toString 60;
-    in ''
-      ${hdparm} -S ${sleep} /dev/disk/by-id/ata-WDC_WD20EFZX-68AWUN0_WD-WX32DC0HKLT1
-      ${hdparm} -S ${sleep} /dev/disk/by-id/ata-WDC_WD20EFZX-68AWUN0_WD-WX32DC08D8PA
-      ${hdparm} -S ${sleep} /dev/disk/by-id/ata-WDC_WD20EFZX-68AWUN0_WD-WX32DC0HK3TR
-      ${hdparm} -S ${sleep} /dev/disk/by-id/ata-WDC_WD20EFZX-68AWUN0_WD-WX32DC06YKVX
+  };
+
+  systemd.services."hdd-powersave" = {
+    description = "Apply powersave options to HDDs";
+    after = ["local-fs.target"];
+    wantedBy = ["local-fs.target"];
+
+    path = [pkgs.hdparm];
+    script = ''
+      for serial in WX32DC0HKLT1 WX32DC08D8PA WX32DC0HK3TR WX32DC06YKVX; do
+        hdparm -S 60 /dev/disk/by-id/ata-WDC_WD20EFZX-68AWUN0_WD-"$serial"
+      done
     '';
+
+    serviceConfig.Type = "oneshot";
   };
 }