From 0a8359f18cc275408c6de82027262e6fd9e382a5 Mon Sep 17 00:00:00 2001
From: Will Fancher <elvishjerricco@gmail.com>
Date: Sun, 25 Mar 2018 20:43:23 -0400
Subject: [PATCH] GHCJS: Fix autogenerated node executables

---
 pkgs/development/haskell-modules/generic-builder.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix
index 2f6f5e51c0e8..76c18cc486eb 100644
--- a/pkgs/development/haskell-modules/generic-builder.nix
+++ b/pkgs/development/haskell-modules/generic-builder.nix
@@ -352,6 +352,7 @@ stdenv.mkDerivation ({
       for exeDir in "$out/bin/"*.jsexe; do
         exe="''${exeDir%.jsexe}"
         printWords '#!${nodejs}/bin/node' > "$exe"
+        echo >> "$exe"
         cat "$exeDir/all.js" >> "$exe"
         chmod +x "$exe"
       done