From 6b3eec627e55158c08034b739a4ec9f2e12b98af Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 1 Mar 2017 10:05:34 +0100
Subject: [PATCH] R: include output of sessionInfo() in the "make check" log

The R developers would like that information to be included in bug
reports.
---
 pkgs/applications/science/math/R/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/science/math/R/default.nix b/pkgs/applications/science/math/R/default.nix
index 424c8172dd1..659b648561c 100644
--- a/pkgs/applications/science/math/R/default.nix
+++ b/pkgs/applications/science/math/R/default.nix
@@ -68,7 +68,8 @@ stdenv.mkDerivation rec {
 
   installTargets = [ "install" "install-info" "install-pdf" ];
 
-  doCheck = withRecommendedPackages;
+  doCheck = true;
+  preCheck = "bin/Rscript -e 'sessionInfo()'";
 
   enableParallelBuilding = true;