{ stdenv
, fetchFromGitHub
, pantheon
, pkgconfig
, meson
, python3
, ninja
, vala
, gtk3
, granite
, bamf
, libgtop
, udev
, wingpanel
, libgee
}:

stdenv.mkDerivation rec {
  pname = "wingpanel-indicator-power";
  version = "2.1.4";

  src = fetchFromGitHub {
    owner = "elementary";
    repo = pname;
    rev = version;
    sha256 = "02gp9m9zkmhcl43nz02kjkcim4zm25zab3il8dhwkihh731g1c6j";
  };

  passthru = {
    updateScript = pantheon.updateScript {
      attrPath = "pantheon.${pname}";
    };
  };

  nativeBuildInputs = [
    meson
    ninja
    pkgconfig
    python3
    vala
  ];

  buildInputs = [
    bamf
    granite
    gtk3
    libgee
    libgtop
    udev
    wingpanel
  ];

  PKG_CONFIG_WINGPANEL_2_0_INDICATORSDIR = "${placeholder "out"}/lib/wingpanel";

  postPatch = ''
    chmod +x meson/post_install.py
    patchShebangs meson/post_install.py
  '';

  meta = with stdenv.lib; {
    description = "Power Indicator for Wingpanel";
    homepage = https://github.com/elementary/wingpanel-indicator-power;
    license = licenses.gpl2Plus;
    platforms = platforms.linux;
    maintainers = pantheon.maintainers;
  };
}