From 2f303bc10e9a499c1f4839a9e0d9c495db804cab Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Thu, 23 Feb 2017 07:46:20 -0600
Subject: [PATCH] R/generate-shell: Use R from current tree, fix missing wget
 dep.

Without this change, the 'R' version used might be the wrong
one which changes the package lists used.

Fixes #19530.
---
 pkgs/development/r-modules/generate-shell.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/r-modules/generate-shell.nix b/pkgs/development/r-modules/generate-shell.nix
index 43c97e009c7..126ab742292 100644
--- a/pkgs/development/r-modules/generate-shell.nix
+++ b/pkgs/development/r-modules/generate-shell.nix
@@ -1,10 +1,11 @@
-with import <nixpkgs> {};
+with import ../../.. {};
 
 stdenv.mkDerivation {
   name = "generate-r-packages-shell";
 
   buildCommand = "exit 1";
 
+  buildInputs = [ wget ];
   nativeBuildInputs = [ 
     (rWrapper.override {
       packages = with rPackages; [