1 files changed, 12 insertions, 2 deletions

diff --git a/bragi.nix b/bragi.nix
index 7fe311d9..da80adb1 100644
--- a/bragi.nix
+++ b/bragi.nix
@@ -23,8 +23,18 @@
   nixpkgs.config.packageOverrides = pkgs:
     let
       trivmixService = opts: (pkgs.callPackage ./custom/trivmix-service.nix opts).out;
-    in {
-      trivmix = let trivmix = pkgs.haskellPackages.callPackage ./custom/trivmix.nix {}; in
+    in rec {
+      customizedHaskellPackages = pkgs.recurseIntoAttrs (
+        pkgs.haskellPackages.override {
+          extensios = self: super: let
+            callPackage = pkgs.lib.callPackageWith self;
+          in {
+            trivmix = callPackage ./custom/trivmix.nix {};
+            filelock = callPackage ./custom/filelock.nix {};
+          };
+        };
+      );
+      trivmix = let trivmix = customizedHaskellPackages.trivmix; in
         pkgs.stdenv.mkDerivation {
           name = "trivmix-wrapper";
           nativeBuildInputs = [ pkgs.makeWrapper ];