$ git clone -n https://src.fedoraproject.org/rpms/iputils.git /var/lib/mock/f41-build-851269-165881/root/chroot_tmpdir/scmroot/iputils
Cloning into '/var/lib/mock/f41-build-851269-165881/root/chroot_tmpdir/scmroot/iputils'...
$ git fetch origin f9624766d16edf6facd831eb904f5c0ec5680093:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/iputils
 * [new ref]         f9624766d16edf6facd831eb904f5c0ec5680093 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f962476 add back ifenslave sources