Attila Lendvai schreef op di 03-05-2022 om 13:42 [+0200]: > +;; FIXME set up logging for the entire project, and replace this poor man's > +;; logger with the proper one. > +(define-syntax-rule (log.info format-string ...) > +  (let ((port (current-warning-port))) > +    (format port format-string ...) > +    (newline port))) > + > +(define-syntax-rule (log.debug format-string ...) > +  ;;(log.info format-string ...) > +  '()) We already have a logging functionality: 'info' from guix/diagnostics.scm. No 'debug' yet though ... Greetings, Maxime.