From a702bb6431e97337971d154c9a2b7681764e43d2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20P=C3=A4tzel?= <david.paetzel@posteo.de>
Date: Sat, 19 Oct 2019 17:07:45 +0200
Subject: [PATCH] Enhance release.nix format

---
 release.nix | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/release.nix b/release.nix
index 278c824..9035b55 100644
--- a/release.nix
+++ b/release.nix
@@ -1,5 +1,18 @@
 let
-  pkgs = import <nixpkgs> { };
-in
-  { ga = pkgs.haskellPackages.callPackage ./default.nix { };
-  }
+  config = {
+    packageOverrides = pkgs: rec {
+      haskellPackages = pkgs.haskellPackages.override {
+        overrides = haskellPackagesNew: haskellPackagesOld: rec {
+          # NOTE to enable profiling in all other libraries (to enable for
+          # haxcs, add ghc-options)
+          # mkDerivation = args: super.mkDerivation (args // {
+          #   enableLibraryProfiling = true;
+          # });
+
+          ga = haskellPackagesNew.callPackage ./default.nix { };
+        };
+      };
+    };
+  };
+  pkgs = import <nixpkgs> { inherit config; };
+in { ga = pkgs.haskellPackages.ga; }