$ git clone -n https://src.fedoraproject.org/rpms/python-mizani.git /var/lib/mock/f42-build-side-1-3512371-46069/root/chroot_tmpdir/scmroot/python-mizani
Cloning into '/var/lib/mock/f42-build-side-1-3512371-46069/root/chroot_tmpdir/scmroot/python-mizani'...
$ git fetch origin 0164a1dbf45e1601450042b7b00a6dc54d8c13e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mizani
 * [new ref]         0164a1dbf45e1601450042b7b00a6dc54d8c13e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0164a1d Update to 0.13.3 upstream release