$ git clone -n https://src.fedoraproject.org/rpms/libjoedog.git /var/lib/mock/f45-build-16400-486/root/chroot_tmpdir/scmroot/libjoedog
Cloning into '/var/lib/mock/f45-build-16400-486/root/chroot_tmpdir/scmroot/libjoedog'...
$ git fetch origin d40a64fbfd25bcf47e17d78fd86694a105772b37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libjoedog
 * [new ref]         d40a64fbfd25bcf47e17d78fd86694a105772b37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d40a64f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild