From e117482cd4e4a282c57474953e83dec2aa3619e2 Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Mon, 21 Feb 2022 00:35:31 +0100
Subject: [PATCH] haskellPackages.Spock-core: patch for GHC 9.0 support

---
 .../haskell-modules/configuration-common.nix           | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 1f5aae0ce99f..a960627f5239 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1355,7 +1355,15 @@ self: super: {
   stm-containers = dontCheck super.stm-containers;
 
   # Fails with "supports custom headers"
-  Spock-core = dontCheck super.Spock-core;
+  # Patch for GHC 9.0 support
+  Spock-core = dontCheck (appendPatches [
+    (pkgs.fetchpatch {
+      name = "Spock-core-GHC-9.0.patch";
+      url = "https://github.com/agrafix/Spock/commit/25c75961c4aaaa2e81c9e2afd3d758f2b643f9df.patch";
+      sha256 = "03854yvda7dclz60fb1b5q8qx6zq2yjbvlyj994352xsz0lz2qan";
+      stripLen = 1;
+    })
+  ] super.Spock-core);
 
   # hasura packages need some extra care
   graphql-engine = overrideCabal (drv: {