{ nixpkgs, pkgs, ... }:
{
  nixpkgs.overlays = [
    (final: prev: {
      vscode-insider = (
        (prev.vscode.override {
          isInsiders = true;
        }).overrideAttrs
          (
            _: old:
            let
              sourceExecutableName = "code-insiders";
              executableName = "code-insiders";
            in
            {
                pname = "code-insiders";
              installPhase = ''
                runHook preInstall
                mkdir -p "$out/lib/vscode" "$out/bin"
                cp -r ./* "$out/lib/vscode"

                mv "$out/lib/vscode/bin/code" "$out/lib/vscode/bin/${sourceExecutableName}" # ME
                mv "$out/lib/vscode/code" "$out/lib/vscode/${sourceExecutableName}" # ME

                ln -s "$out/lib/vscode/bin/${sourceExecutableName}" "$out/bin/${executableName}"

                mkdir -p "$out/share/applications"
                ln -s "$desktopItem/share/applications/${executableName}.desktop" "$out/share/applications/${executableName}.desktop"
                ln -s "$urlHandlerDesktopItem/share/applications/${executableName}-url-handler.desktop" "$out/share/applications/${executableName}-url-handler.desktop"

                # These are named vscode.png, vscode-insiders.png, etc to match the name in upstream *.deb packages.
                mkdir -p "$out/share/pixmaps"
                cp "$out/lib/vscode/resources/app/resources/linux/code.png" "$out/share/pixmaps/vs${executableName}.png"

                # Override the previously determined VSCODE_PATH with the one we know to be correct
                sed -i "/ELECTRON=/iVSCODE_PATH='$out/lib/vscode'" "$out/bin/${executableName}"
                grep -q "VSCODE_PATH='$out/lib/vscode'" "$out/bin/${executableName}" # check if sed succeeded

                # Remove native encryption code, as it derives the key from the executable path which does not work for us.
                # The credentials should be stored in a secure keychain already, so the benefit of this is questionable
                # in the first place.
                rm -rf $out/lib/vscode/resources/app/node_modules/vscode-encrypt
                # HOOK
                runHook postInstall
              '';

              postFixup = ''
                  patchelf \
                --add-needed ${pkgs.libglvnd}/lib/libGLESv2.so.2 \
                --add-needed ${pkgs.libglvnd}/lib/libGL.so.1 \
                --add-needed ${pkgs.libglvnd}/lib/libEGL.so.1 \
                $out/lib/vscode/${sourceExecutableName}
              '';
              meta = old.meta // {
                mainProgram = "code-insiders";
              };
            }
          )
      );
    })
  ];
}