From cc6fd108d29b6415504a51bb7c09103abb4719c0 Mon Sep 17 00:00:00 2001
From: Rodney Lorrimar <rodney.lorrimar@iohk.io>
Date: Thu, 5 Nov 2020 22:55:03 +1000
Subject: [PATCH] Quash cleaning component source warnings in nix-shell

---
 nix/haskell.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/nix/haskell.nix b/nix/haskell.nix
index d24f1715ba4..aad07188202 100644
--- a/nix/haskell.nix
+++ b/nix/haskell.nix
@@ -272,6 +272,14 @@ let
         doHaddock = false;
       }))
 
+      # Silence some warnings about "cleaning component source not
+      # supported for hpack package" which appear in nix-shell
+      {
+        packages.cardano-addresses.cabal-generator = lib.mkForce null;
+        packages.cardano-addresses-cli.cabal-generator = lib.mkForce null;
+        packages.cardano-transactions.cabal-generator = lib.mkForce null;
+      }
+
       # Allow installation of a newer version of Win32 than what is
       # included with GHC. The packages in this list are all those
       # installed with GHC, except for Win32.