$ git clone -n https://src.fedoraproject.org/rpms/spamassassin-dqs.git /var/lib/mock/f45-build-36273-702/root/chroot_tmpdir/scmroot/spamassassin-dqs
Cloning into '/var/lib/mock/f45-build-36273-702/root/chroot_tmpdir/scmroot/spamassassin-dqs'...
$ git fetch origin be1f479e95d2eb2853b4ebaa5b684d849ed4c1db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spamassassin-dqs
 * [new ref]         be1f479e95d2eb2853b4ebaa5b684d849ed4c1db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be1f479 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild