Valentin David authored Aug 14, 2018 and Valentin David committed Aug 16, 2018

We now delay refreshing submodules until we have a clone, that is after
we have fetched the main fetcher.

Fixes #537

Delay refreshing git submodule until we have a clone

See merge request !666

Ostree mirrors were not sharing the same local repository, so it was
impossible the request refs from the right local repository when data
was fetched from a mirror rather than upstream.

Instead of having several repository with one remote each, we now
have one repository with several remotes.

This fixes #538.