agda: pass through meta

      unwrapped = Agda;

      tests = { inherit (nixosTests) agda; };

    };

    inherit (Agda) meta;

  } ''

    mkdir -p $out/bin

    makeWrapper ${Agda}/bin/agda $out/bin/agda \

      --add-flags "--with-compiler=${ghc}/bin/ghc" \

      --add-flags "--library-file=${library-file}" \

      --add-flags "--local-interfaces"

    makeWrapper ${Agda}/bin/agda-mode $out/bin/agda-mode

    ln -s ${Agda}/bin/agda-mode $out/bin/agda-mode

    ''; # Local interfaces has been added for now: See https://github.com/agda/agda/issues/4526

  withPackages = arg: if builtins.isAttrs arg then withPackages' arg else withPackages' { pkgs = arg; };