xfce-timer-plugin: init at 1.6.0 (#22563)

pkgs/desktops/xfce/default.nix

···
   xfce4_notes_plugin            = callPackage ./panel-plugins/xfce4-notes-plugin.nix            { };
   xfce4-sensors-plugin          = callPackage ./panel-plugins/xfce4-sensors-plugin.nix          { };
   xfce4_systemload_plugin       = callPackage ./panel-plugins/xfce4-systemload-plugin.nix       { };
+  xfce4_timer_plugin            = callPackage ./panel-plugins/xfce4-timer-plugin.nix            { };
   xfce4_verve_plugin            = callPackage ./panel-plugins/xfce4-verve-plugin.nix            { };
   xfce4_xkb_plugin              = callPackage ./panel-plugins/xfce4-xkb-plugin.nix              { };
   xfce4_weather_plugin          = callPackage ./panel-plugins/xfce4-weather-plugin.nix          { };

pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin.nix

···
+{ stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4panel, libxfce4ui, libxfcegui4, xfconf, gtk}:
+
+with stdenv.lib;
+stdenv.mkDerivation rec {
+  p_name  = "xfce4-timer-plugin";
+  ver_maj = "1.6";
+  ver_min = "0";
+
+  src = fetchurl {
+    url = "mirror://xfce/src/panel-plugins/${p_name}/${ver_maj}/${name}.tar.bz2";
+    sha256 = "0z46gyw3ihcd1jf0m5z1dsc790xv1cpi8mk1dagj3i4v14gx5mrr";
+  };
+  name = "${p_name}-${ver_maj}.${ver_min}";
+
+  buildInputs = [ intltool libxfce4util libxfce4ui xfce4panel libxfcegui4 xfconf
+    gtk ];
+
+  nativeBuildInputs = [ pkgconfig ];
+
+  hardeningDisable = [ "format" ];
+
+  meta = {
+    homepage = "http://goodies.xfce.org/projects/panel-plugins/${p_name}";
+    description = "Battery plugin for Xfce panel";
+    platforms = platforms.linux;
+    license = licenses.gpl2;
+    maintainers = [ maintainers.matthiasbeyer ];
+  };
+}