From 59291fdbf4e26a2b09a1d39a0582a874d78d6797 Mon Sep 17 00:00:00 2001
From: Gergely Risko <errge@nilcons.com>
Date: Thu, 14 Aug 2014 00:20:15 +0200
Subject: [PATCH] Get rid of bootstrap-tools dependency from xz (and therefore
 stdenv)

0769fc5b77eb76c6a794187f173c48f912fc837c broke this by setting CONFIG_SHELL.
---
 pkgs/tools/compression/xz/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/tools/compression/xz/default.nix b/pkgs/tools/compression/xz/default.nix
index b644f46dff86..e1d7c26fa430 100644
--- a/pkgs/tools/compression/xz/default.nix
+++ b/pkgs/tools/compression/xz/default.nix
@@ -10,6 +10,9 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
+  # In stdenv-linux, prevent a dependency on bootstrap-tools.
+  preHook = "unset CONFIG_SHELL";
+
   meta = {
     homepage = http://tukaani.org/xz/;
     description = "XZ, general-purpose data compression software, successor of LZMA";