From 6b852ab38f7a0cca287b873f35e51de57de9a86c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 9 Apr 2008 06:37:59 +0000
Subject: [PATCH] * Optionally install extra RPMs before doing the build.

svn path=/nixpkgs/trunk/; revision=11500
---
 pkgs/build-support/vm/default.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index 286bfb6b38a8..dfbabcdb2d0a 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -366,9 +366,15 @@ rec {
      tarball must contain an RPM specfile. */
   
   buildRPM = attrs: runInLinuxImage (stdenv.mkDerivation ({
-    phases = "sysInfoPhase buildPhase installPhase";
+    phases = "prepareImagePhase sysInfoPhase buildPhase installPhase";
 
     outDir = "rpms/${attrs.diskImage.name}";
+
+    prepareImagePhase = ''
+      for rpm in $extraRPMs; do
+        rpm -iv $rpm
+      done
+    '';
   
     sysInfoPhase = ''
       header "base RPMs"