keepassrpc: use dontUnpack instead of placeholder unpackCmd/sourceRoot

      maintainers = with maintainers; [ mjanczyk svsdep mgregoire ];

    };

    pluginFilename = "KeePassRPC.plgx";

    unpackCmd = ''

      mkdir deps/

      cp -p $src deps/$pluginFilename

    '';

    sourceRoot = "deps";

    dontUnpack = true;

    installPhase = ''

      mkdir -p $out/lib/dotnet/keepass/

      cp $pluginFilename $out/lib/dotnet/keepass/$pluginFilename

      cp $src $out/lib/dotnet/keepass/

    '';

  };

in