anchor.diff:          PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
             rpm --initdb
   
  -        # Make the Nix store available in /mnt, because that's where the RPMs live.
  -        mkdir -p /mnt/nix/store
  -        ${utillinux}/bin/mount -o bind /nix/store /mnt/nix/store
           ${utillinux}/bin/mount -o bind /tmp /mnt/tmp
   
           echo "installing RPMs..."
  
positive.code:         name = "redhat-9-i386";
          fullName = "Red Hat Linux 9 (i386)";
          size = 1024;
          rpms = import ./rpm/redhat-9-i386.nix {inherit fetchurl;};
        };
  
        suse90i386 = fillDiskWithRPMs {
          name = "suse-9.0-i386";
          fullName = "SUSE Linux 9.0 (i386)";
          size = 1024;
          rpms = import ./rpm/suse-9-i386.nix {inherit fetchurl;};
          # Urgh.  The /etc/group entries are installed by aaa_base (or
          # something) but due to dependency ordering, that package isn't
          # installed yet by the time some other packages refer to these
  
negative.code:       urlPrefix = mirror://fedora/linux/releases/16/Everything/x86_64/os;
        archs = ["noarch" "x86_64"];
        packages = commonFedoraPackages ++ [ "cronie" "util-linux" ];
      };
  
      fedora18i386 = {
        name = "fedora-18-i386";
        fullName = "Fedora 18 (i386)";
        packagesList = fetchurl {
          url = mirror://fedora/linux/releases/18/Everything/i386/os/repodata/935f57e61365047b6aee346792bc68bfd24de30874ce5d26bf730a992d36678d-primary.xml.gz;
          sha256 = "935f57e61365047b6aee346792bc68bfd24de30874ce5d26bf730a992d36678d";
        };
        urlPrefix = mirror://fedora/linux/releases/18/Everything/i386/os;
        archs = ["noarch" "i386" "i586" "i686"];
        packages = commonFedoraPackages ++ [ "cronie" "util-linux" ];
        unifiedSystemDir = true;
      };
  
      fedora18x86_64 = {
        name = "fedora-18-x86_64";
        fullName = "Fedora 18 (x86_64)";
        packagesList = fetchurl {
          url = mirror://fedora/linux/releases/18/Everything/x86_64/os/repodata/463ac49f2218e404607b2eeb3c04be1a648d90293f4239bbb6a63c2fed672bea-primary.xml.gz;
          sha256 = "463ac49f2218e404607b2eeb3c04be1a648d90293f4239bbb6a63c2fed672bea";
        };
        urlPrefix = mirror://fedora/linux/releases/18/Everything/x86_64/os;
        archs = ["noarch" "x86_64"];
        packages = commonFedoraPackages ++ [ "cronie" "util-linux" ];
        unifiedSystemDir = true;
      };
  
      opensuse103i386 = {
  