From 9b79de383c5f130657166f869e2ccd2f39c1bed6 Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Thu, 20 May 2021 00:21:55 +0200
Subject: [PATCH] haskellPackages.hnix: make sure patches apply

Cabal revisions can break the patches we apply, so we'll need to make
any necessary changes to the cabal file with patches ourselves.
---
 pkgs/development/haskell-modules/configuration-common.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index b7d079a99b3e..59d0248df9af 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -204,6 +204,9 @@ self: super: {
           revert = true;
         })
       ] ++ (drv.patches or []);
+      # make sure patches are not broken by cabal file revisions
+      revision = null;
+      editedCabalFile = null;
     }));
 
   # Fails for non-obvious reasons while attempting to use doctest.