Hello,
Currently ‘guix environment’ does not honor program transformation
options:
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$ 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
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Ludo’.