anchor.diff:  
         librarypath="${lib.makeLibraryPath deps}:$libdir"
         wrapProgram $out/share/spotify/spotify \
  +        ''${gappsWrapperArgs[@]} \
           --prefix LD_LIBRARY_PATH : "$librarypath" \
           --prefix PATH : "${gnome.zenity}/bin"
   
  
positive.code:     fi
      runHook postUnpack
    '';
  
    installPhase =
      ''
  
negative.code: { fetchurl, lib, stdenv, squashfsTools, xorg, alsa-lib, makeWrapper, wrapGAppsHook, openssl, freetype
  , glib, pango, cairo, atk, gdk-pixbuf, gtk3, cups, nspr, nss, libpng, libnotify
  , libgcrypt, systemd, fontconfig, dbus, expat, ffmpeg, curl, zlib, gnome
  , at-spi2-atk, at-spi2-core, libpulseaudio, libdrm, mesa, libxkbcommon
  