$ git clone -n https://src.fedoraproject.org/rpms/python-rpdb.git /var/lib/mock/f45-build-32841-664/root/chroot_tmpdir/scmroot/python-rpdb
Cloning into '/var/lib/mock/f45-build-32841-664/root/chroot_tmpdir/scmroot/python-rpdb'...
$ git fetch origin b16eb554fc2b8742cd354cedec6aa09c82339bc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rpdb
 * [new ref]         b16eb554fc2b8742cd354cedec6aa09c82339bc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b16eb55 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild