os/overlays/signal-desktop.nix

final: prev: {
  signal-desktop = prev.signal-desktop.overrideAttrs (oldAttrs: rec {
    inherit (oldAttrs) pname;
    dir = "Signal";
    preFixup = ''
      gappsWrapperArgs+=(
        --prefix LD_LIBRARY_PATH : "${prev.lib.makeLibraryPath [ prev.stdenv.cc.cc prev.pipewire ] }"
        # Currently crashes see https://github.com/NixOS/nixpkgs/issues/222043
        --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations}}"
        --suffix PATH : ${prev.lib.makeBinPath [ prev.xdg-utils ]}
      )

      # Fix the desktop link and fix showing application icon in tray
      substituteInPlace $out/share/applications/${pname}.desktop \
        --replace "/opt/${dir}/${pname}" $out/bin/${pname} \
        ${if pname == "signal-desktop" then "--replace \"bin/signal-desktop\" \"bin/signal-desktop --use-tray-icon\"" else ""}

      autoPatchelf --no-recurse -- "$out/lib/${dir}/"
      patchelf --add-needed ${prev.libpulseaudio}/lib/libpulse.so "$out/lib/${dir}/resources/app.asar.unpacked/node_modules/@signalapp/ringrtc/build/linux/libringrtc-x64.node"
    '';
  });
}