Show installer link in GNOME Shell favourites on OEM install as well

config/hooks.oem/004-setup-oem.hook.chroot

@@ -1,6 +1,12 @@
-#!/bin/sh
+#!/bin/bash
 set -e
 
 # hide non-OEM install options from menus
 rm -f /usr/share/applications/calamares.desktop
 rm -f /usr/share/applications/pureos-live-installer.desktop
+
+# show OEM installer in GNOME Shell favourites
+pureos_glib_schema_file="/usr/share/glib-2.0/schemas/20_pureos-gnome-settings.gschema.override"
+if [[ -e "$pureos_glib_schema_file" ]]; then
+    sed -i 's/pureos-live-installer.desktop/pureos-live-installer-oem.desktop/' $pureos_glib_schema_file
+fi