attempt of building opengamepadui

flake.nix

{
  outputs = { self, nixpkgs }: {
    defaultPackage.x86_64-linux = self.packages.x86_64-linux.opengamepadui;

    packages.x86_64-linux.opengamepadui =
      let
        pkgs = import nixpkgs { system = "x86_64-linux"; };
        src = pkgs.fetchFromGitHub {
          owner = "ShadowBlip";
          repo = "OpenGamepadUI";
          rev = "v0.32.8";
          sha256 = "sha256-BFtuyCQcqwF1f1bcSzM3lw/UR29PkHWbnEk7k4ACrBE=";
        };
        # we need to run make import first as it is so slow
        importAssets = pkgs.stdenv.mkDerivation {
          inherit src;
          name = "opengamepadui-import-assets";
          buildInputs = [
            pkgs.godot_4
            pkgs.wget
          ];
          configurePhase = "";
          buildPhase = ''
            export HOME=$(pwd)
            export GODOT=${pkgs.godot_4}/bin/godot4
            export EXPORT_TEMPLATE=${pkgs.godot_4-export-templates}/linux_debug.x86_64
            
            make import
            mv $HOME/.godot $out/
            exit 0
          '';
          installPhase = "";
          checkPhase = "";
          
        };
        # convert 4.2.2-stable to 4.2.2.stable
        godot_version = builtins.replaceStrings ["-"] ["."] pkgs.godot_4.version;
      in
      pkgs.stdenv.mkDerivation {
        name = "opengamepadui";
        inherit src;
        buildInputs = [
            pkgs.gamescope
            pkgs.libgcc
            pkgs.glibc
            pkgs.libevdev
            pkgs.xorg.libX11
            pkgs.xorg.libXau
            pkgs.xorg.libxcb
            pkgs.xorg.libXdmcp
            pkgs.xorg.libXext
            pkgs.xorg.libXres
            pkgs.godot_4
            pkgs.wget

            pkgs.fontconfig
            # pkgs.libdbusmenu # unsure
            pkgs.gcc.cc.lib
            # pkgs.libptytty

            # Optional packages; include these if needed
            # pkgs.ryzenadj
            # pkgs.mangoapp
            # pkgs.wireplumber
            # pkgs.networkmanager
            # pkgs.firejail
         ];
         nativeBuildInputs = [

          pkgs.dbus.lib
          pkgs.gcc.cc.lib pkgs.xorg.libX11
          #  libXRes.so.1
          pkgs.xorg.libXres
          pkgs.xorg.libXtst
          pkgs.fontconfig

          # this also does not work:
          # pkgs.autoPatchelfHook
         ];
        
        buildPhase =''
        export HOME=$(pwd)
        export GODOT=${pkgs.godot_4}/bin/godot4
        export EXPORT_TEMPLATE=${pkgs.godot_4-export-templates}/linux_debug.x86_64
        export LD_LIBRARY_PATH=${pkgs.lib.makeLibraryPath [
          pkgs.dbus.lib
           pkgs.gcc.cc.lib pkgs.xorg.libX11
          #  libXRes.so.1
          pkgs.xorg.libXres
          pkgs.xorg.libXtst
          
        ]}:$LD_LIBRARY_PATH

        cp -R ${importAssets}/ $HOME/.godot/
        mkdir -p $HOME/.godot/editor
        chmod -R 755 $HOME/.godot
        
        mkdir -p $HOME/.godot/app_userdata/opengamepadui
        export GODOT_USER_DIR=$HOME/.godot/app_userdata/opengamepadui

        # opengamepadui> ERROR:  Config File "user://gut_temp_directory/gut_editor_config.json" does not exist.
        mkdir -p $GODOT_USER_DIR/gut_temp_directory
        echo '{}' > $GODOT_USER_DIR/gut_temp_directory/gut_editor_config.json
        echo '{}' > $GODOT_USER_DIR/.gut_editor_config.json
        
        echo '{}' > .gut_editor_config.json

        mkdir -p $HOME/.local/share/godot/export_templates/${godot_version}/
        cp -R ${pkgs.godot_4-export-templates}/* $HOME/.local/share/godot/export_templates/${godot_version}/


        make build
        '';
        installPhase = ''
          mkdir -p $out/bin
          find . > $out/manifest
          cp -R build/* $out/bin/
          chmod -R 755 $out/bin
        '';

        checkPhase = ''''; # no tests
      };
  };
}