Giacomo Leidi writes: > Hi Tomas, > > Did you consider using define-maybe from (gnu services configuration)? It would > be somewhat more consistent with the rest of system services imo. I did. However setting (package #f) feels more natural to me then (package %unset-value). What do you think? If you insist on using define-maybe, I will sent v2. > > Thank you for your work! > > cheers > > giacomo