haskellPackages.purescript: unbreak

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

@@ -1114,8 +1114,23 @@ self: super: {
   # https://github.com/snapframework/xmlhtml/pull/37
   xmlhtml = doJailbreak super.xmlhtml;
 
-  # Generate shell completions
-  purescript = generateOptparseApplicativeCompletion "purs" super.purescript;
+  purescript =
+    let
+      purescriptWithOverrides = super.purescript.override {
+        # PureScript requires an older version of happy.
+        happy = self.happy_1_19_9;
+      };
+
+      # PureScript is built against LTS-13, so we need to jailbreak it to
+      # accept more recent versions of the libraries it requires.
+      jailBrokenPurescript = doJailbreak purescriptWithOverrides;
+
+      # Haddocks for PureScript can't be built.
+      # https://github.com/purescript/purescript/pull/3745
+      dontHaddockPurescript = dontHaddock jailBrokenPurescript;
+    in
+    # Generate shell completions
+    generateOptparseApplicativeCompletion "purs" dontHaddockPurescript;
 
   # https://github.com/kcsongor/generic-lens/pull/65
   generic-lens = dontCheck super.generic-lens;

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

@@ -8146,7 +8146,6 @@ broken-packages:
   - pure-priority-queue
   - pure-priority-queue-tests
   - purebred-email
-  - purescript
   - purescript-iso
   - purescript-tsd-gen
   - push-notify