From fc11905b6e44ca7a803fec6986950608625a16d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Domen=20Ko=C5=BEar?= <domen@dev.si>
Date: Sat, 25 Aug 2018 12:01:52 +0100
Subject: [PATCH] elm: depend on nodejs due to repl

---
 pkgs/development/compilers/elm/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/elm/default.nix b/pkgs/development/compilers/elm/default.nix
index 70be5a95105..f338fc23835 100644
--- a/pkgs/development/compilers/elm/default.nix
+++ b/pkgs/development/compilers/elm/default.nix
@@ -60,12 +60,17 @@ let
   hsPkgs = haskell.packages.ghc822.override {
     overrides = self: super: with haskell.lib;
       let elmPkgs = {
-            elm = overrideCabal (self.callPackage ./packages/elm.nix { }) (attrs: {
+            elm = overrideCabal (self.callPackage ./packages/elm.nix { }) (drv: {
               # sadly with parallelism most of the time breaks compilation
               enableParallelBuilding = false;
               preConfigure = ''
                 export ELM_HOME=`pwd`/.elm
               '' + (makeDotElm "0.19.0" (import ./packages/elm-elm.nix));
+              buildTools = drv.buildTools or [] ++ [ makeWrapper ];
+              postInstall = ''
+                wrapProgram $out/bin/elm \
+                  --prefix PATH ':' ${lib.makeBinPath [ nodejs ]}
+              '';
             });