[Trigger] Operation = Upgrade Operation = Install Type = Package Target = gnome-shell Target = materia-custom-accent [Action] Description = Replace GDM theme with Materia with custom accent When = PostTransaction Exec = /usr/bin/sh -c "cd /usr/share/themes/materia-custom-accent/gnome-shell && glib-compile-resources --target=/usr/share/gnome-shell/gnome-shell-theme.gresource gnome-shell-theme.gresource.xml" Depends = bash Depends = glib2