$ git clone -n https://src.fedoraproject.org/rpms/python-ethtool.git /var/lib/mock/f41-build-side-2-python-2693894-30279/root/chroot_tmpdir/scmroot/python-ethtool
Cloning into '/var/lib/mock/f41-build-side-2-python-2693894-30279/root/chroot_tmpdir/scmroot/python-ethtool'...
$ git fetch origin d1ffdec400b30f09a8cb43b6c26ab234ee29db21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ethtool
 * [new ref]         d1ffdec400b30f09a8cb43b6c26ab234ee29db21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1ffdec convert GPLv2 license to SPDX