nixos/preload: drop

nixos/doc/manual/release-notes/rl-2311.section.md

@@ -1110,7 +1110,7 @@ Make sure to also check the many updates in the [Nixpkgs library](#sec-release-2
 
 - [preload](http://sourceforge.net/projects/preload), a service that makes
   applications run faster by prefetching binaries and shared objects.
-  Available as [services.preload](#opt-services.preload.enable).
+  Available as `services.preload`.
 
 ### Other Notable Changes {#sec-release-23.11-nixos-notable-changes}
 

nixos/modules/module-list.nix

@@ -913,7 +913,6 @@
   ./services/misc/podgrab.nix
   ./services/misc/polaris.nix
   ./services/misc/portunus.nix
-  ./services/misc/preload.nix
   ./services/misc/pufferpanel.nix
   ./services/misc/pykms.nix
   ./services/misc/radicle.nix

nixos/modules/rename.nix

@@ -71,6 +71,16 @@ in
       "programs"
       "gnome-documents"
     ] "The corresponding package was removed from nixpkgs.")
+    (mkRemovedOptionModule
+      [
+        "services"
+        "preload"
+      ]
+      ''
+        The corresponding package was removed from nixpkgs,
+        due to lack of usage and being broken since its introduction.
+      ''
+    ) # added 2025-11-29
     (mkRemovedOptionModule [
       "programs"
       "goldwarden"

nixos/modules/services/misc/preload.nix

@@ -1,36 +0,0 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
-}:
-let
-  cfg = config.services.preload;
-in
-{
-  meta = {
-    maintainers = pkgs.preload.meta.maintainers;
-  };
-
-  options.services.preload = {
-    enable = lib.mkEnableOption "preload";
-    package = lib.mkPackageOption pkgs "preload" { };
-  };
-
-  config = lib.mkIf cfg.enable {
-    systemd.services.preload = {
-      description = "Loads data into ram during idle time of CPU.";
-      wantedBy = [ "multi-user.target" ];
-
-      serviceConfig = {
-        EnvironmentFile = "${cfg.package}/etc/conf.d/preload";
-        ExecStart = "${lib.getExe cfg.package} -l '' --foreground $PRELOAD_OPTS";
-        Type = "simple";
-        # Only preload data during CPU idle time
-        IOSchedulingClass = 3;
-        DynamicUser = true;
-        StateDirectory = "preload";
-      };
-    };
-  };
-}