I think you have to do something like this:

(define guix-local
  (package
    (inherit guix)
    (source (local-file "path to guix local")))

(define guix-service-local
  (guix-service (guix-configuration (authorize-key? #t) (guix guix-local)))

and add guix-service-local to your installer.

HTH

Reply via email to