From 4d7d3d6aabd9b47842f885548f18acc62c8fe62b Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Fri, 23 May 2014 17:02:31 +0200
Subject: [PATCH] haskell-heist: jailbreak to fix build with current versions
 of 'directory-tree'

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

diff --git a/pkgs/development/libraries/haskell/heist/default.nix b/pkgs/development/libraries/haskell/heist/default.nix
index 77ebf3fd9af1..faf5212a7942 100644
--- a/pkgs/development/libraries/haskell/heist/default.nix
+++ b/pkgs/development/libraries/haskell/heist/default.nix
@@ -13,6 +13,7 @@ cabal.mkDerivation (self: {
     filepath hashable MonadCatchIOTransformers mtl random text time
     transformers unorderedContainers vector xmlhtml
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://snapframework.com/";
     description = "An Haskell template system supporting both HTML5 and XML";