Hi Leo, your commit a3002104: system: Assert, that user and group names are unique.
breaks `guix system reconfigure` for me and other people (at least two in IRC). $ guix system reconfigure config.scm guix system: error: the following groups appear more than once: lp $ sudo grep lp /etc/group lp:x:989: lpadmin:x:975: $ sudo grep lp /etc/passwd lp:!:18467:::::: The same happend on my server with the `nginx` group. I reverted it for the mean time, as I find it pretty grave... ~Jonathan
