From 1f92b14d1f703446f6cf72c091bcc77777b1686a Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 6 Feb 2013 11:36:30 +0100
Subject: [PATCH] haskell-heist: jailbreak to support the latest version of
 'errors'

---
 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 7547fcff410..780e949c714 100644
--- a/pkgs/development/libraries/haskell/heist/default.nix
+++ b/pkgs/development/libraries/haskell/heist/default.nix
@@ -12,6 +12,7 @@ cabal.mkDerivation (self: {
     filepath hashable MonadCatchIOTransformers mtl random text time
     unorderedContainers vector xmlhtml
   ];
+  jailbreak = true;
   meta = {
     homepage = "http://snapframework.com/";
     description = "An Haskell template system supporting both HTML5 and XML";