From 2504dedaf68e2a2a4c88dbfc0353375b845c1003 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 19 Dec 2013 18:00:46 +0100
Subject: [PATCH] haskell-assert-failure: jailbreak to fix build with recent
 versions of pretty-show

---
 pkgs/development/libraries/haskell/assert-failure/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/haskell/assert-failure/default.nix b/pkgs/development/libraries/haskell/assert-failure/default.nix
index abc520e7b4ba..bfb340147a80 100644
--- a/pkgs/development/libraries/haskell/assert-failure/default.nix
+++ b/pkgs/development/libraries/haskell/assert-failure/default.nix
@@ -5,6 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.1";
   sha256 = "1xwd6rhka9gzmldkaw3d7262h51wxw9dwgip39q8pjkvvfs5kwkr";
   buildDepends = [ prettyShow text ];
+  jailbreak = true;
   meta = {
     homepage = "https://github.com/Mikolaj/assert-failure";
     description = "Syntactic sugar improving 'assert' and 'error'";