From 356f870a83e59d17be28c0fdab0a60003ee17dbc Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Sun, 17 Jul 2022 12:20:30 +0200
Subject: [PATCH] haskellPackages.regex-compat-tdfa: ignore upper bound on base

This bound was (rightfully) introduced via a hackage revision, but it
doesn't apply to us because we patch around the incompatibility with
GHC >= 9.0.
---
 pkgs/development/haskell-modules/configuration-common.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 7047c7d7204a..8762545aa48c 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -2394,7 +2394,11 @@ self: super: {
   # https://hub.darcs.net/shelarcy/regex-compat-tdfa/issue/3
   regex-compat-tdfa = appendPatches [
     ./patches/regex-compat-tdfa-ghc-9.0.patch
-  ] super.regex-compat-tdfa;
+  ] (overrideCabal super.regex-compat-tdfa {
+    # Revision introduces bound base < 4.15
+    revision = null;
+    editedCabalFile = null;
+  };
 
   # https://github.com/kowainik/validation-selective/issues/64
   validation-selective = doJailbreak super.validation-selective;