$ git clone -n https://src.fedoraproject.org/rpms/opendmarc.git /var/lib/mock/f45-build-21031-577/root/chroot_tmpdir/scmroot/opendmarc
Cloning into '/var/lib/mock/f45-build-21031-577/root/chroot_tmpdir/scmroot/opendmarc'...
$ git fetch origin dfa20a3663fa50ff2fc15f552dadbadf699b2415:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opendmarc
 * [new ref]         dfa20a3663fa50ff2fc15f552dadbadf699b2415 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfa20a3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild