From 6da02123602069ced56d0c733658a4fd509b6964 Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Mon, 28 Mar 2022 13:10:21 +0200
Subject: [PATCH] taffybar: build using GHC 8.10.7

taffybar's GHC 9.0 patches are unreleased and not easy to backport.
---
 .../haskell-modules/configuration-ghc-8.10.x.nix            | 2 ++
 pkgs/top-level/all-packages.nix                             | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
index dc480666ba6f..466db68e2497 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
@@ -116,4 +116,6 @@ self: super: {
   mysql-simple = addBuildDepends [
     self.blaze-textual
   ] super.mysql-simple;
+
+  taffybar = markUnbroken (doDistribute super.taffybar);
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 046766fa6223..2075d14826ae 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -29412,8 +29412,10 @@ with pkgs;
     # customConfig = builtins.readFile ./tabbed.config.h;
   };
 
-  taffybar = callPackage ../applications/window-managers/taffybar {
-    inherit (haskellPackages) ghcWithPackages taffybar;
+  # Use GHC 9.0 when this asserts starts to fire
+  taffybar = assert haskellPackages.taffybar.version == "3.3.0";
+  callPackage ../applications/window-managers/taffybar {
+    inherit (haskell.packages.ghc8107) ghcWithPackages taffybar;
   };
 
   tagainijisho = callPackage ../applications/office/tagainijisho {};