On 29 June 2015 at 07:37, John R Pierce <pierce at hogranch.com> wrote: > so a regex looking for "system:" vs "system {" should nicely delineate > these. I dunno, I might even put that into the conversion utility and > have it just quit if the file is already in the new format, and always run > it. > +1 for the idempotent approach. IMHO much more robust. Also consider what will happen if someone does a 'yum downgrade' on the package or a dependency -- you might want to allow the conversion to go both ways or at least complain appropriately. K