$ git clone -n https://src.fedoraproject.org/rpms/freeradius-client.git /var/lib/mock/f45-build-9249-400/root/chroot_tmpdir/scmroot/freeradius-client
Cloning into '/var/lib/mock/f45-build-9249-400/root/chroot_tmpdir/scmroot/freeradius-client'...
$ git fetch origin d2cf30f5bc6731dd2be91e366a4a866646612685:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freeradius-client
 * [new ref]         d2cf30f5bc6731dd2be91e366a4a866646612685 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2cf30f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild