{
  lib = lib // {
    nixosSystem = { modules, ... } @ args:
      import ./nixos/lib/eval-config.nix (args // {
        modules = modules ++
 [
   {
       system.nixos.versionSuffix =
           ".${lib.substring 0 8 self.lastModified}.${self.shortRev or "dirty"}";
         system.nixos.revision = lib.mkIf (self ? rev) self.rev;
      }
 ];
});
  };
}