map import
[ overlays/lib/filesystem.nix
  overlays/lib/strings.nix
  #overlays/servers/mail/postfix.nix
  #overlays/servers/mail/dovecot.nix
   # TODO: remove when using a nixpkgs including the fix
   # https://github.com/NixOS/nixpkgs/pull/46859
  #overlays/users-init.nix
]/* ++
[ (self: super: { shorewall = super.callPackage ../pkgs/tools/networking/shorewall {}; })
]*/