Mathieu Lirzin <mthl@gnu.org> writes:

> I think you have to use the ‘local-file’ procedure in place of ‘origin’
> in the ‘source’ field.

Unless I'm mistaken, local-file does not work on folders.  In the case
of a Git repo, that would mean extracting the archive and overwriting
the destination on each build.  It's not a solution then.

-- 
Pierre Neidhardt