$ git clone -n https://src.fedoraproject.org/rpms/python-covdefaults.git /var/lib/mock/f45-build-30138-643/root/chroot_tmpdir/scmroot/python-covdefaults
Cloning into '/var/lib/mock/f45-build-30138-643/root/chroot_tmpdir/scmroot/python-covdefaults'...
$ git fetch origin 7fac44a0da472210059140508b711d71a45e4608:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-covdefaults
 * [new ref]         7fac44a0da472210059140508b711d71a45e4608 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fac44a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild