From d341d28401920f26ae0328526e942762da6d250c Mon Sep 17 00:00:00 2001
From: Vaibhav Sagar <vaibhavsagar@gmail.com>
Date: Wed, 8 Nov 2017 23:09:18 +0800
Subject: [PATCH] ihaskell/wrapper.nix: unify ihaskellEnv and ihaskell

Having both `ihaskell` and `ihaskellEnv` is redundant, and might even
cause problems if the two differ somehow.
---
 pkgs/development/tools/haskell/ihaskell/wrapper.nix | 6 +++---
 pkgs/top-level/all-packages.nix                     | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/tools/haskell/ihaskell/wrapper.nix b/pkgs/development/tools/haskell/ihaskell/wrapper.nix
index 75ad33e72f63..73050280f17e 100644
--- a/pkgs/development/tools/haskell/ihaskell/wrapper.nix
+++ b/pkgs/development/tools/haskell/ihaskell/wrapper.nix
@@ -1,4 +1,4 @@
-{ stdenv, writeScriptBin, makeWrapper, buildEnv, haskell, ghcWithPackages, ihaskell, jupyter, packages }:
+{ stdenv, writeScriptBin, makeWrapper, buildEnv, haskell, ghcWithPackages, jupyter, packages }:
 let
   ihaskellEnv = ghcWithPackages (self: [
     self.ihaskell
@@ -9,8 +9,8 @@ let
   ihaskellSh = writeScriptBin "ihaskell-notebook" ''
     #! ${stdenv.shell}
     export GHC_PACKAGE_PATH="$(echo ${ihaskellEnv}/lib/*/package.conf.d| tr ' ' ':'):$GHC_PACKAGE_PATH"
-    export PATH="${stdenv.lib.makeBinPath ([ ihaskell ihaskellEnv jupyter ])}"
-    ${ihaskell}/bin/ihaskell install -l $(${ihaskellEnv}/bin/ghc --print-libdir) && ${jupyter}/bin/jupyter notebook
+    export PATH="${stdenv.lib.makeBinPath ([ ihaskellEnv jupyter ])}"
+    ${ihaskellEnv}/bin/ihaskell install -l $(${ihaskellEnv}/bin/ghc --print-libdir) && ${jupyter}/bin/jupyter notebook
   '';
 in
 buildEnv {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 04300e3507ea..d2e06d171f07 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2687,7 +2687,7 @@ with pkgs;
 
 
   ihaskell = callPackage ../development/tools/haskell/ihaskell/wrapper.nix {
-    inherit (haskellPackages) ihaskell ghcWithPackages;
+    inherit (haskellPackages) ghcWithPackages;
 
     jupyter = python3.withPackages (ps: [ ps.jupyter ps.notebook ]);