When creating a Copr project, one can specify which chroots, i.e. which
distribution version and architecture combinations, to enable. Examples of
However, there is no easy to use option to enable testing repositories, e.g.
updates-testing repository for Fedora
Branched and stable releases, when specifying the chroots.
Let me show you how you can easily achieve that by specifying an extra
repository with a parameterized URL.