adding filen, fixing up emacs and lsps

packages/filen-desktop.nix

@@ -0,0 +1,44 @@
+{ lib
+, fetchurl
+, makeWrapper
+, appimageTools
+, libappindicator-gtk3
+, pkgs
+}:
+let
+  pname = "filen-desktop";
+  version = "latest";
+
+  src = pkgs.fetchurl {
+    url =
+      "https://cdn.filen.io/@filen/desktop/release/latest/Filen_linux_x86_64.AppImage";
+    sha256 = "sha256-keaD5PUjkoFrFTCuap4DvmYq5X3Tjnq+njtiLgAZ9W8=";
+  };
+
+  appimageContents = appimageTools.extractType2 { inherit pname version src; };
+  name = "filendesktop";
+  # Needed for the tray to function
+  libPath = lib.makeLibraryPath [ libappindicator-gtk3 ];
+in
+appimageTools.wrapType2 rec {
+  inherit pname version src name;
+
+  extraInstallCommands = ''
+     source "${pkgs.makeWrapper}/nix-support/setup-hook"
+    wrapProgram $out/bin/${pname} \
+      --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform=wayland --enable-features=WaylandWindowDecorations}}" \
+      --prefix LD_LIBRARY_PATH : ${libPath}
+
+    install -m 444 -D ${appimageContents}/@${name}.desktop $out/share/applications/${pname}.desktop
+    substituteInPlace $out/share/applications/${pname}.desktop \
+      --replace 'Exec=AppRun' 'Exec=filen-desktop'
+    cp -r ${appimageContents}/usr/share/icons $out/share
+  '';
+
+  meta = with lib; {
+    description = "Desktop client for Filen.io";
+    homepage = "https://filen.io/";
+    license = licenses.agpl3Plus;
+    platforms = [ "x86_64-linux" ];
+  };
+}