>> * guix/import/launchpad.scm: New file.
>> * Makefile.am (MODULES): Register it.
>> * doc/guix.texi (Invoking guix refresh): Mention the Launchpad updater.
>
> Neat, LGTM!

May I push to master?

> What’s the coverage reported by ‘guix refresh --list-updaters’ for this
> one?

The coverage is a meagre 0.1%. There are very few launchpad packages in
Guix.