Hi!
Look:
--8<---------------cut here---------------start------------->8---
$ guix environment -C --ad-hoc coreutils -- cat /etc/hosts
cat: /etc/hosts: No such file or directory
$ guix describe
Generacio 162 Oct 01 2020 00:23:38 (nuna)
guix 7607ace
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 7607ace5091aea0157ba5c8a508129cc5fc4f931
--8<---------------cut here---------------end--------------->8---
I think we should add /etc/hosts with an entry for “localhost”, just
like libstore/build.cc does.
Ludo’.
