Hello, Currently ‘guix environment’ does not honor program transformation options:
--8<---------------cut here---------------start------------->8--- $ guix describe Generacio 46 Dec 14 2018 15:56:53 (nuna) guix adb158b repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: adb158b7396cbdcda347fa298978408e531a03fd $ guix environment coreutils --with-source=foo guix environment: error: with-source=foo: unrecognized option --8<---------------cut here---------------end--------------->8--- Ludo’.