From 291c3681f6df9b737db7002bf14002502b940966 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 25 Jan 2018 21:41:10 +0100
Subject: [PATCH] cabal-plan: fix build by applying
 https://github.com/haskell-hvr/cabal-plan/pull/16

---
 pkgs/development/haskell-modules/configuration-common.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 6dbbd77f95a..229cf6c38fb 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -959,4 +959,10 @@ self: super: {
   # https://github.com/yesodweb/Shelly.hs/issues/162
   shelly = dontCheck super.shelly;
 
+  # Support ansi-terminal 0.7.x.
+  cabal-plan = appendPatch super.cabal-plan (pkgs.fetchpatch {
+    url = "https://github.com/haskell-hvr/cabal-plan/pull/16.patch";
+    sha256 = "0i889zs46wn09d7iqdy99201zaqxb175cfs8jz2zi3mv4ywx3a0l";
+  });
+
 }