From 148646e6305a468da30f1b912f3fbba643fa9798 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sat, 17 Mar 2018 20:58:29 +0100
Subject: [PATCH] haskell-matrix: override to latest version for ghc-8.4.x

---
 pkgs/development/haskell-modules/configuration-common.nix    | 3 +++
 pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix | 1 +
 2 files changed, 4 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 6abd25121e5b..47768b948ffa 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1006,4 +1006,7 @@ self: super: {
     sha256 = "1485bbjca1wqbh3c9yqj85kmq8j7zxq79y5isxypy3r6wjpr3g6b";
   });
 
+  # https://github.com/Daniel-Diaz/matrix/issues/55
+  matrix_0_3_6_0 = dontCheck super.matrix_0_3_6_0;
+
 }
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
index 5ae7c18cc2aa..0bbcf2745b27 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
@@ -693,5 +693,6 @@ self: super: {
   # Older versions don't compile.
   brick = self.brick_0_35;
   timezone-olson = self.timezone-olson_0_1_9;
+  matrix = self.matrix_0_3_6_0;
 
 }