anchor.diff:          
           echo "installing RPMs..."
           PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
  -          rpm -iv $rpms
  +          rpm -iv ${if runScripts then "" else "--noscripts"} $rpms
   
           echo "running post-install script..."
           eval "$postInstall"
  
positive.code:      a set of RPM packages. */
      
    fillDiskWithRPMs =
      {size ? 1024, rpms, name, fullName, preInstall ? "", postInstall ? ""}:
      
      runInLinuxVM (stdenv.mkDerivation {
        inherit name preInstall postInstall rpms;
  
negative.code:         sha256 = "13znspn4g1bkjkk47393k9chswgzl6nx1n0q6h2wrw52c7d9nw9i";
        };
        urlPrefix = mirror://fedora/linux/core/3/i386/os;
        archs = ["noarch" "i386" "i586"];
        runScripts = false;
      } // args);
      
      fedora5i386 = args: makeImageFromRPMDist ({
  