$ git clone -n https://src.fedoraproject.org/rpms/ell.git /var/lib/mock/f45-build-8026-372/root/chroot_tmpdir/scmroot/ell
Cloning into '/var/lib/mock/f45-build-8026-372/root/chroot_tmpdir/scmroot/ell'...
$ git fetch origin f17f43a07c5f343facc0be4f7981bb4a5b63e010:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ell
 * [new ref]         f17f43a07c5f343facc0be4f7981bb4a5b63e010 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f17f43a drop ix86 support