From 915b22e4005af7912121396b405069367c2fc868 Mon Sep 17 00:00:00 2001
From: "(cdep)illabout" <cdep.illabout@gmail.com>
Date: Wed, 6 Nov 2019 19:48:41 +0900
Subject: [PATCH] haskellPackages.purescript: unbreak

---
 .../haskell-modules/configuration-common.nix  | 19 +++++++++++++++++--
 .../configuration-hackage2nix.yaml            |  1 -
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 457fe747a8d..ea1e60c52f9 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/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;
diff --git a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml b/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
index ea3910e2abf..6c62c84266c 100644
--- a/pkgs/development/haskell-modules/configuration-hackage2nix.yaml
+++ b/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