anchor.diff:      tests.nix_copy_closure = (import ./tests/nix-copy-closure.nix rec {
         nix = build.x86_64-linux; system = "x86_64-linux";
       }).test;
  +
  +
  +    # Aggregate job containing the release-critical jobs.
  +    release = pkgs.releaseTools.aggregate {
  +      name = "nix-${tarball.version}";
  +      meta.description = "Release-critical builds";
  +      constituents =
  +        [ tarball
  +          build.i686-freebsd
  +          build.i686-linux
  +          build.x86_64-darwin
  +          build.x86_64-freebsd
  +          build.x86_64-linux
  +          binaryTarball.i686-freebsd
  +          binaryTarball.i686-linux
  +          binaryTarball.x86_64-darwin
  +          binaryTarball.x86_64-freebsd
  +          binaryTarball.x86_64-linux
  +          deb_debian7i386
  +          deb_debian7x86_64
  +          deb_ubuntu1304i386
  +          deb_ubuntu1304x86_64
  +          deb_ubuntu1310i386
  +          deb_ubuntu1310x86_64
  +          #rpm_fedora19i386
  +          rpm_fedora19x86_64
  +          tests.remote_builds
  +          tests.nix_copy_closure
  +        ];
  +    };
   
     };
   
  
positive.code:     rpm_fedora16x86_64 = makeRPM_x86_64 (diskImageFunsFun: diskImageFunsFun.fedora16x86_64) 50;
      rpm_fedora18i386 = makeRPM_i686 (diskImageFuns: diskImageFuns.fedora18i386) 60;
      rpm_fedora18x86_64 = makeRPM_x86_64 (diskImageFunsFun: diskImageFunsFun.fedora18x86_64) 60;
  
  
      deb_debian60i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.debian60i386) 50;
      deb_debian60x86_64 = makeDeb_x86_64 (diskImageFunsFun: diskImageFunsFun.debian60x86_64) 50;
      deb_debian70i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.debian70i386) 60;
      deb_debian70x86_64 = makeDeb_x86_64 (diskImageFunsFun: diskImageFunsFun.debian70x86_64) 60;
  
      deb_ubuntu1004i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.ubuntu1004i386) 50;
      deb_ubuntu1004x86_64 = makeDeb_x86_64 (diskImageFuns: diskImageFuns.ubuntu1004x86_64) 50;
      deb_ubuntu1010i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.ubuntu1010i386) 50;
      deb_ubuntu1010x86_64 = makeDeb_x86_64 (diskImageFuns: diskImageFuns.ubuntu1010x86_64) 50;
      deb_ubuntu1110i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.ubuntu1110i386) 60;
  
negative.code:     deb_ubuntu1210x86_64 = makeDeb_x86_64 (diskImageFuns: diskImageFuns.ubuntu1210x86_64) 70;
      deb_ubuntu1304i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.ubuntu1304i386) 80;
      deb_ubuntu1304x86_64 = makeDeb_x86_64 (diskImageFuns: diskImageFuns.ubuntu1304x86_64) 80;
      deb_ubuntu1310i386 = makeDeb_i686 (diskImageFuns: diskImageFuns.ubuntu1310i386) 90;
      deb_ubuntu1310x86_64 = makeDeb_x86_64 (diskImageFuns: diskImageFuns.ubuntu1310x86_64) 90;
  
  
      # System tests.
  