From c87bcf8c8557b5450a16e956849a0e113cb657d2 Mon Sep 17 00:00:00 2001
From: Wolfgang Walther <walther@technowledgy.de>
Date: Wed, 1 Apr 2026 09:46:22 +0200
Subject: [PATCH] haskellPackages.cabal2nix-unstable: use latest Cabal

This broke in 25eb3594716b6f1c344ca632d82aeb228084e27b, but some
packages on hackage need at least 3.14 now.
---
 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 ddfdbfb2bfaf..d436c8199564 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -144,6 +144,8 @@ with haskellLib;
         cabal-install-solver = super.cabal-install-solver.overrideScope cabalInstallOverlay;
 
         cabal2nix-unstable = super.cabal2nix-unstable.overrideScope cabalInstallOverlay;
+        distribution-nixpkgs-unstable = super.distribution-nixpkgs-unstable.overrideScope cabalInstallOverlay;
+        hackage-db-unstable = super.hackage-db-unstable.overrideScope cabalInstallOverlay;
 
         # Needs cabal-install >= 3.8 /as well as/ matching Cabal
         guardian = lib.pipe (super.guardian.overrideScope cabalInstallOverlay) [
@@ -156,6 +158,9 @@ with haskellLib;
     )
     cabal-install
     cabal-install-solver
+    cabal2nix-unstable
+    distribution-nixpkgs-unstable
+    hackage-db-unstable
     guardian
     ;