From 291da85ed9582320694100c851e459793e5dad8a Mon Sep 17 00:00:00 2001
From: Moritz Kiefer <moritz.kiefer@purelyfunctional.org>
Date: Thu, 10 Aug 2017 08:47:07 +0200
Subject: [PATCH] haskell: remove any extraneous outputs from sdistTarball

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

diff --git a/pkgs/development/haskell-modules/lib.nix b/pkgs/development/haskell-modules/lib.nix
index c67b61acd78d..43723b807741 100644
--- a/pkgs/development/haskell-modules/lib.nix
+++ b/pkgs/development/haskell-modules/lib.nix
@@ -75,6 +75,9 @@ rec {
 
   sdistTarball = pkg: lib.overrideDerivation pkg (drv: {
     name = "${drv.pname}-source-${drv.version}";
+    # Since we disable the haddock phase, we also need to override the
+    # outputs since the separate doc output will not be produced.
+    outputs = ["out"];
     buildPhase = "./Setup sdist";
     haddockPhase = ":";
     checkPhase = ":";