From c7e1a2c5cc01371767bf033fd78999b87d2f939a Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Mon, 9 Jun 2014 10:03:56 +0200
Subject: [PATCH] haskell-cabal-cargs: jailbreak to fix build with recent
 versions of either, lens, and tasty

https://github.com/dan-t/cabal-cargs/issues/3
---
 pkgs/development/libraries/haskell/cabal-cargs/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/haskell/cabal-cargs/default.nix b/pkgs/development/libraries/haskell/cabal-cargs/default.nix
index 243dd2beb00..34759c9b892 100644
--- a/pkgs/development/libraries/haskell/cabal-cargs/default.nix
+++ b/pkgs/development/libraries/haskell/cabal-cargs/default.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     systemFilepath text transformers unorderedContainers
   ];
   testDepends = [ filepath tasty tastyGolden ];
+  jailbreak = true;
   meta = {
     description = "A command line program for extracting compiler arguments from a cabal file";
     license = self.stdenv.lib.licenses.bsd3;