From 515974a66bc04ea71610c81324580e2b33ee0d8c Mon Sep 17 00:00:00 2001
From: Pascal Wittmann <mail@pascal-wittmann.de>
Date: Sun, 20 Nov 2016 16:59:33 +0100
Subject: [PATCH] haskellPackages.ReadArgs: jailbreak to fix build

fixes #20515
---
 pkgs/development/haskell-modules/configuration-common.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 12910b1b6a6f..4343adf084f4 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1113,4 +1113,9 @@ self: super: {
     };
     version = "2012-12-15";
   });
+
+  # Encountered missing dependencies: hspec >=1.3 && <2.1
+  # https://github.com/rampion/ReadArgs/issues/8
+  ReadArgs = doJailbreak super.ReadArgs;
+
 }