Ludovic Courtès <ludo@gnu.org> writes:

> I think that’s because you’re on an older Guix, which lacks commit
> f8a9f99cd602ce1dc5307cb0c21ae718ad8796bb.

Guess I let my feature branch go a little stale. Fetched from upstream
and it works now :)  I'll have a go at reimplementing 'deploy-os' and
let you know if I run into any other issues.