From 2e01d4a2b6a52f6bd4120d51078039751274d17e Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Fri, 22 May 2015 11:19:11 +0200
Subject: [PATCH] haskell-pipes-errors: fix build of latest (non-default)
 version

---
 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 628ffcfa4b7..b4393d7d4f0 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -837,4 +837,7 @@ self: super: {
   servant-jquery = dontDistribute super.servant-jquery;
   language-puppet = dontDistribute super.language-puppet;
 
+  # This needs the latest version of errors to compile.
+  pipes-errors_0_3 = super.pipes-errors_0_3.override { errors = self.errors_2_0_0; };
+
 }