Hide nm-applet when NetworkManager is disabled (retry)

It isn't done automatically by nm-applet itself since nm-applet 0.9.9.0
(fc19+), this one commit:
https://git.gnome.org/browse/network-manager-applet/commit?id=276a702000ee9e509321891f5ffa9789acfb053c
At the same time they've introduced option to manually hide the icon:
https://git.gnome.org/browse/network-manager-applet/commit?id=e7331a3f33ab422ea6c1bbc015ad44d8d9c83bc3

Makefile

@@ -110,6 +110,9 @@ install-vm:
 	install -m 0644 -D network/tinyproxy-qubes-yum.conf $(DESTDIR)/etc/tinyproxy/tinyproxy-qubes-yum.conf
 	install -m 0644 -D network/filter-qubes-yum $(DESTDIR)/etc/tinyproxy/filter-qubes-yum
 	install -m 0755 -D network/iptables-yum-proxy $(DESTDIR)/usr/lib/qubes/iptables-yum-proxy
+	install -d $(DESTDIR)/etc/xdg/autostart
+	install -m 0755 network/show-hide-nm-applet.sh $(DESTDIR)/usr/lib/qubes/show-hide-nm-applet.sh
+	install -m 0644 network/show-hide-nm-applet.desktop $(DESTDIR)/etc/xdg/autostart/qubes-show-hide-nm-applet.desktop
 
 	install -d $(DESTDIR)/etc/yum.conf.d
 	touch $(DESTDIR)/etc/yum.conf.d/qubes-proxy.conf

network/show-hide-nm-applet.desktop

@@ -0,0 +1,8 @@
+[Desktop Entry]
+Version=1.0
+Encoding=UTF-8
+Name=Hide/Show nm-applet depending on NetworkManager state
+Exec=/usr/lib/qubes/show-hide-nm-applet.sh
+Terminal=false
+Type=Application
+OnlyShowIn=QUBES;

network/show-hide-nm-applet.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Hide nm-applet when network-manager is disabled
+nm_enabled=false
+[ -f /var/run/qubes-service/network-manager ] && nm_enabled=true
+gsettings set org.gnome.nm-applet show-applet $nm_enabled

rpm_spec/core-vm.spec

@@ -308,6 +308,7 @@ rm -f %{name}-%{version}
 %config(noreplace) /etc/tinyproxy/tinyproxy-qubes-yum.conf
 /etc/udev/rules.d/50-qubes-misc.rules
 /etc/udev/rules.d/99-qubes-network.rules
+/etc/xdg/autostart/qubes-show-hide-nm-applet.desktop
 /etc/xdg/nautilus-actions/nautilus-actions.conf
 /etc/xen/scripts/vif-route-qubes
 %config(noreplace) /etc/yum.conf.d/qubes-proxy.conf
@@ -328,6 +329,7 @@ rm -f %{name}-%{version}
 /usr/lib/qubes/sync-ntp-clock
 /usr/lib/qubes/prepare-suspend
 /usr/lib/qubes/network-manager-prepare-conf-dir
+/usr/lib/qubes/show-hide-nm-applet.sh
 /usr/lib/qubes/qrexec-agent
 /usr/lib/qubes/qrexec-client-vm
 /usr/lib/qubes/qrexec_client_vm