> > Also, for some reason, directly modifying (guix ui) (see > > "call-with-error-handling") to handle our new error doesn't work. > > Aha, it's using a released "guix" package in the test VM. Where can I change > that to "guix-devel"?
(services (modify-services (operating-system-user-services %trytond-os) (guix-service-type config => (guix-configuration (inherit config) (guix (current-guix)))))))