aesmd: allow overriding sgx-psw package manually

nixos/modules/services/security/aesmd.nix

@@ -1,10 +1,12 @@
 { config, options, pkgs, lib, ... }:
-with lib;
 let
+  inherit (lib) concatStringsSep literalExpression makeLibraryPath mkEnableOption
+    mkForce mkIf mkOption mkPackageOption mkRemovedOptionModule optional types;
+
   cfg = config.services.aesmd;
   opt = options.services.aesmd;
 
-  sgx-psw = pkgs.sgx-psw.override { inherit (cfg) debug; };
+  sgx-psw = cfg.package;
 
   configFile = with cfg.settings; pkgs.writeText "aesmd.conf" (
     concatStringsSep "\n" (
@@ -18,13 +20,17 @@ let
   );
 in
 {
+  imports = [
+    (mkRemovedOptionModule [ "debug" ] ''
+      Enable debug mode by overriding the aesmd package directly:
+
+          services.aesmd.package = pkgs.sgx-psw.override { debug = true; };
+    '')
+  ];
+
   options.services.aesmd = {
     enable = mkEnableOption "Intel's Architectural Enclave Service Manager (AESM) for Intel SGX";
-    debug = mkOption {
-      type = types.bool;
-      default = false;
-      description = "Whether to build the PSW package in debug mode.";
-    };
+    package = mkPackageOption pkgs "sgx-psw" { };
     environment = mkOption {
       type = with types; attrsOf str;
       default = { };
@@ -126,7 +132,7 @@ in
           "|/dev/sgx_enclave"
         ];
 
-        serviceConfig = rec {
+        serviceConfig = {
           ExecStartPre = pkgs.writeShellScript "copy-aesmd-data-files.sh" ''
             set -euo pipefail
             whiteListFile="${aesmDataFolder}/white_list_cert_to_be_verify.bin"