From df54eb7a925a9dbe69d841c6980ce4e83de1199f Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Tue, 31 May 2011 19:30:10 +0000
Subject: [PATCH] A phase that simply saves current exported vars for debugging
 use

svn path=/nixpkgs/trunk/; revision=27338
---
 pkgs/build-support/builder-defs/builder-defs.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/build-support/builder-defs/builder-defs.nix b/pkgs/build-support/builder-defs/builder-defs.nix
index 60b1f98e33fd..279c99bd4b5a 100644
--- a/pkgs/build-support/builder-defs/builder-defs.nix
+++ b/pkgs/build-support/builder-defs/builder-defs.nix
@@ -335,6 +335,8 @@ let inherit (builtins) head tail trace; in
 
         doDump = n: noDepEntry "echo Dump number ${n}; set";
 
+	saveEnv = noDepEntry ''export > $TMP/env-vars'';
+
 	doDumpBuildInputs = noDepEntry (''
 	  echo "${toString realBuildInputs}"
 	'');