$ git clone -n https://src.fedoraproject.org/rpms/python-cov-core.git /var/lib/mock/f45-build-30134-643/root/chroot_tmpdir/scmroot/python-cov-core
Cloning into '/var/lib/mock/f45-build-30134-643/root/chroot_tmpdir/scmroot/python-cov-core'...
$ git fetch origin e8d2cfa454db7fada57f84482470b86c26f0124a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cov-core
 * [new ref]         e8d2cfa454db7fada57f84482470b86c26f0124a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8d2cfa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild