On Mon, 04 Feb 2019 23:52:47 +0100 Ludovic Courtès wrote: > (Note that, IIUC, in openSuSE a package can be broken and yet remain > installable by users, because the last binary that was produced is > still around.) We have guix pull --commit=..., inferiors, channels and time-travel, so there are plenty opportunities to keep old states :-) Björn