Hi John, Thank you for raising this. > diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm > index 8e694edbbe..b6dfcb5f6a 100644 > --- a/guix/scripts/pack.scm > +++ b/guix/scripts/pack.scm > @@ -58,11 +58,14 @@ > #:use-module (srfi srfi-37) > #:use-module (ice-9 match) > #:export (compressor? > + compressor-name Why not also ’compress-extension’ and ’compress-command’? Then will be completely exposed which seems good, isn’t it? All the best, simon