anchor.diff:  
   let
     # Location of the repository on the harddrive
  -  nixosPath = toString ../../.;
  +  nixosPath = toString ../..;
   
     # Check if the path is from the NixOS repository
     isNixOSFile = path:
  
positive.code:         "/etc/nixos/nixos" + removePrefix nixosPath (toString path);
        relocateOthers = null;
      in
        { nixos = map relocateNixOS partitionnedModuleFiles.nixos;
          others = []; # TODO: copy the modules to the install-device repository.
        };
  
  
negative.code: 
    # Partition module files because between NixOS and non-NixOS files.  NixOS
    # files may change if the repository is updated.
    partitionedModuleFiles =
      let p = partition isNixOSFile moduleFiles; in
      { nixos = p.right; others = p.wrong; };
  
  