$ git clone -n https://src.fedoraproject.org/rpms/ethtool.git /var/lib/mock/f45-build-8485-390/root/chroot_tmpdir/scmroot/ethtool
Cloning into '/var/lib/mock/f45-build-8485-390/root/chroot_tmpdir/scmroot/ethtool'...
$ git fetch origin d3d4a4209eca7aa743f4b80b20b5771f42a40ee8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ethtool
 * [new ref]         d3d4a4209eca7aa743f4b80b20b5771f42a40ee8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3d4a42 Upgrade to 7.1 (#2498384)