haskellPackages.qhs: fix dependency bounds and tests (#517630)

pkgs/development/haskell-modules/configuration-common.nix

@@ -832,6 +832,15 @@ with haskellLib;
   # Tests require a Kafka broker running locally
   haskakafka = dontCheck super.haskakafka;
 
+  # https://github.com/itchyny/qhs/issues/8
+  qhs = overrideSrc {
+    version = "0.4.3";
+    src = pkgs.fetchzip {
+      url = "mirror://hackage/qhs-0.4.3/qhs-0.4.3.tar.gz";
+      sha256 = "191015m47qdxzi8w5pvadgv95g8vk7v2gr76jzfgglyjy6zhb5wb";
+    };
+  } (warnAfterVersion "0.4.2" super.qhs);
+
   # Fix build with time >= 1.10 while retaining compat with time < 1.9
   mbox = appendPatch ./patches/mbox-time-1.10.patch (
     overrideCabal {

pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml

@@ -5160,7 +5160,6 @@ broken-packages:
   - qc-oi-testgenerator # failure in job https://hydra.nixos.org/build/233197822 at 2023-09-02
   - qd # failure in job https://hydra.nixos.org/build/233213936 at 2023-09-02
   - qed # failure in job https://hydra.nixos.org/build/233249635 at 2023-09-02
-  - qhs # failure in job https://hydra.nixos.org/build/315099159 at 2025-11-29
   - qhull-simple # failure in job https://hydra.nixos.org/build/233248108 at 2023-09-02
   - qif # failure in job https://hydra.nixos.org/build/233227609 at 2023-09-02
   - QIO # failure in job https://hydra.nixos.org/build/233233009 at 2023-09-02

pkgs/development/haskell-modules/configuration-nix.nix

@@ -134,6 +134,18 @@ builtins.intersectAttrs super {
   ### END HASKELL-LANGUAGE-SERVER SECTION ###
   ###########################################
 
+  qhs = lib.pipe super.qhs [
+    # Package does not declare tool dependency hspec-discover
+    (addTestToolDepends [ self.hspec-discover ])
+    # tests depend on executable
+    (overrideCabal (drv: {
+      preCheck = ''
+        ${drv.preCheck or ""}
+        export PATH="$PWD/dist/build/qhs:$PATH"
+      '';
+    }))
+  ];
+
   # Test suite needs executable
   agda2lagda = overrideCabal (drv: {
     preCheck = ''

pkgs/development/haskell-modules/hackage-packages.nix

@@ -569853,9 +569853,7 @@ self: {
       doHaddock = false;
       description = "Command line tool qhs, SQL queries on CSV and TSV files";
       license = lib.meta.getLicenseFromSpdxId "MIT";
-      hydraPlatforms = lib.platforms.none;
       mainProgram = "qhs";
-      broken = true;
     }
   ) { };