From 9438cc264f876e3d2b46f35f6f0a0cec6bc69145 Mon Sep 17 00:00:00 2001
From: Bas van Dijk <v.dijk.bas@gmail.com>
Date: Thu, 2 Feb 2017 15:18:28 +0100
Subject: [PATCH] shelly: fix build on GHC-8.0.2

---
 .../haskell-modules/configuration-common.nix         | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 4d74f453859..a09d4c4a3cd 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -874,7 +874,17 @@ self: super: {
 
   # https://github.com/yesodweb/Shelly.hs/issues/106
   # https://github.com/yesodweb/Shelly.hs/issues/108
-  shelly = dontCheck super.shelly;
+  # https://github.com/yesodweb/Shelly.hs/issues/130
+  shelly =
+    let drv = appendPatch (dontCheck (doJailbreak super.shelly)) (pkgs.fetchpatch {
+                url = "https://github.com/k0001/Shelly.hs/commit/32a1e290961755e7b2379f59faa49b13d03dfef6.patch";
+                sha256 = "0ccq0qly8bxxv64dk97a44ng6hb01j6ajs0sp3f2nn0hf5j3xv69";
+              });
+    in overrideCabal drv (drv : {
+         # doJailbreak doesn't seem to work for build-depends inside an
+         # if-then-else block so we have to do it manually.
+         postPatch = "sed -i 's/base >=4\.6 \&\& <4\.9\.1/base -any/' shelly.cabal";
+       });
 
   # https://github.com/bos/configurator/issues/22
   configurator = dontCheck super.configurator;