$ git clone -n https://src.fedoraproject.org/rpms/eth-tools.git /var/lib/mock/f41-build-853984-166804/root/chroot_tmpdir/scmroot/eth-tools
Cloning into '/var/lib/mock/f41-build-853984-166804/root/chroot_tmpdir/scmroot/eth-tools'...
$ git fetch origin 392d269cd5e7b952c1f484e965a99635205442f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/eth-tools
 * [new ref]         392d269cd5e7b952c1f484e965a99635205442f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 392d269 11.7 Update 3-5