$ git clone -n https://src.fedoraproject.org/rpms/python-pyone.git /var/lib/mock/f45-build-32322-659/root/chroot_tmpdir/scmroot/python-pyone
Cloning into '/var/lib/mock/f45-build-32322-659/root/chroot_tmpdir/scmroot/python-pyone'...
$ git fetch origin bb9ab30233dbc16f9194712024252fc3a66ac5aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyone
 * [new ref]         bb9ab30233dbc16f9194712024252fc3a66ac5aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb9ab30 Fix FTBFS on rawhide