--- polkit-0.120-r2.ebuild	2022-01-26 09:22:36.484204582 +0100
+++ polkit-0.120-r3.ebuild	2022-01-27 11:57:46.854998704 +0100
@@ -11,8 +11,8 @@
 
 LICENSE="LGPL-2"
 SLOT="0"
-KEYWORDS="amd64 arm arm64 ~mips ppc64 ~riscv ~s390 x86"
-IUSE="examples gtk +introspection kde pam selinux systemd test"
+KEYWORDS="~amd64 ~arm ~arm64 ~mips ~ppc64 ~riscv ~s390 ~x86"
+IUSE="examples +duktape gtk +introspection kde pam selinux systemd test"
 #RESTRICT="!test? ( test )"
 # Tests currently don't work with meson. See
 #   https://gitlab.freedesktop.org/polkit/polkit/-/issues/144
@@ -31,7 +31,8 @@
 	introspection? ( dev-libs/gobject-introspection )
 "
 DEPEND="
-	dev-lang/spidermonkey:78[-debug]
+	duktape? ( >=dev-lang/duktape-2.2.0 )
+	!duktape? ( dev-lang/spidermonkey:78[-debug] )
 	dev-libs/glib:2
 	dev-libs/expat
 	pam? (
@@ -62,6 +63,7 @@
 
 src_prepare() {
 	local PATCHES=(
+		"${FILESDIR}/polkit-0.120-duktape-support.patch"
 		"${FILESDIR}/polkit-0.120-meson.patch"
 		"${FILESDIR}/polkit-0.120-CVE-2021-4043.patch"
 	)
@@ -84,6 +86,7 @@
 		-Dsystemdsystemunitdir="$(systemd_get_systemunitdir)"
 		$(meson_use introspection)
 		$(meson_use test tests)
+		$(usex duktape '-Djs_engine=duktape' '-Djs_engine=mozjs')
 		$(usex pam "-Dpam_module_dir=$(getpam_mod_dir)" '')
 	)
 	meson_src_configure