From ba60dea5154199a46ce1c0ca8e0eccf394629215 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Sun, 8 Mar 2015 11:48:58 +0100
Subject: [PATCH] haskell-snap: jailbreak to allows building with current
 versions of lens

---
 pkgs/development/haskell-modules/configuration-common.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 367c3d5d1abc..2b7f15c1ee00 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -628,6 +628,9 @@ self: super: {
   # https://github.com/tych0/xcffib/issues/37
   xcffib = markBroken super.xcffib;
 
+  # https://github.com/snapframework/snap/issues/141
+  # snap = overrideCabal super.snap (drv: { preConfigure = "sed -i -e 's|lens .*<4.8|lens|' snap.cabal"; });
+
 } // {
 
   # Not on Hackage.