# Pastebin SSuu321l (use-modules (guix inferior) (guix channels)) (define inferior (inferior-for-channels (list (channel (name 'guix) (url "https://git.savannah.gnu.org/git/guix.git") (commit "48f19e60c4677e392ee2c23f28098cfcaf9d1710"))))) (begin (let ((pkg-id (inferior-eval '(begin (use-modules (gnu packages base)) (let* ((new-package (package (inherit hello) (name "inferior-hello"))) (id (object-address new-package))) (hashv-set! %package-table id new-package) id)) inferior))) ((@@ (guix inferior) inferior-package) inferior "newpkg-name" "newpkg-version" pkg-id)))