{ inputs, ... }:
{
  perSystem = _: {
    devShells =
      let
        hostShells = inputs.self.nixosConfigurations.emacs.config.devShells;
      in
      inputs.self.lib.langList
      |> builtins.filter (name: hostShells ? ${name})
      |> map (name: {
        inherit name;
        value = hostShells.${name};
      })
      |> builtins.listToAttrs;
  };
}