Fix packagekit-offline-update.service not being enabled (#1833176)

Just fixing this downstream for now, as it's not clear what the
best upstream fix for this is yet.

PackageKit.spec

@@ -6,7 +6,7 @@
 Summary:   Package management service
 Name:      PackageKit
 Version:   1.2.0
-Release:   2%{?dist}
+Release:   3%{?dist}
 License:   GPLv2+ and LGPLv2+
 URL:       http://www.freedesktop.org/software/PackageKit/
 Source0:   http://www.freedesktop.org/software/PackageKit/releases/%{name}-%{version}.tar.xz
@@ -164,6 +164,13 @@ pushd %{buildroot}%{_libexecdir} > /dev/null
 ln -s pk-gstreamer-install gst-install-plugins-helper
 popd > /dev/null
 
+# enable packagekit-offline-updates.service here for now, till we
+# decide how to do it upstream after the meson conversion:
+# https://github.com/hughsie/PackageKit/issues/401
+# https://bugzilla.redhat.com/show_bug.cgi?id=1833176
+mkdir -p %{buildroot}%{_unitdir}/system-update.target.wants/
+ln -sf ../packagekit-offline-update.service %{buildroot}%{_unitdir}/system-update.target.wants/packagekit-offline-update.service
+
 %find_lang %name
 
 %post
@@ -202,7 +209,7 @@ systemctl disable packagekit-offline-update.service > /dev/null 2>&1 || :
 %{_datadir}/dbus-1/interfaces/*.xml
 %{_unitdir}/packagekit-offline-update.service
 %{_unitdir}/packagekit.service
-#%{_unitdir}/system-update.target.wants/
+%{_unitdir}/system-update.target.wants/
 %{_libexecdir}/pk-*offline-update
 %{_libdir}/packagekit-backend/libpk_backend_dnf.so
 
@@ -239,6 +246,9 @@ systemctl disable packagekit-offline-update.service > /dev/null 2>&1 || :
 %{_datadir}/vala/vapi/packagekit-glib2.deps
 
 %changelog
+* Fri May 08 2020 Adam Williamson <awilliam@redhat.com> - 1.2.0-3
+- Fix packagekit-offline-update.service not being enabled (#1833176)
+
 * Tue May 05 2020 Neal Gompa <ngompa13@gmail.com> - 1.2.0-2
 - Clean up and simplify spec
 - Fix packaging to work properly with EL8+