$ git clone -n https://src.fedoraproject.org/rpms/ftplib.git /var/lib/mock/f45-build-9325-401/root/chroot_tmpdir/scmroot/ftplib
Cloning into '/var/lib/mock/f45-build-9325-401/root/chroot_tmpdir/scmroot/ftplib'...
$ git fetch origin 8cd42d43f03550d5f5fcbd7d5861647b81910d3d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ftplib
 * [new ref]         8cd42d43f03550d5f5fcbd7d5861647b81910d3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cd42d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild