FYI
Mock 2.5 has been just released and contains
https://github.com/rpm-software-management/mock/pull/608
which set different user agent for DNF when DNF is used by Mock.
This may allow you to differ Mock from users when creating statistics about downloads from
repo.
--
Miroslav Suchy, RHCA
Red Hat, Associate Manager ABRT/Copr, #brno, #fedora-buildsys