Yeah, that sounds like the right place. Ideally you'd get an error earlier in the process saying "hey! acs-whatever only supports Oracle!" but that error check's not there yet.
Instead if it can't find a datamodel it just keeps chuggin' along at the moment.
The pgbin param shouldn't be so picky, I'll try to look at that and also the default to use PG environment variables by default if they're available next week...
