$ git clone -n https://src.fedoraproject.org/rpms/xdp-tools.git /var/lib/mock/f41-build-838015-159533/root/chroot_tmpdir/scmroot/xdp-tools
Cloning into '/var/lib/mock/f41-build-838015-159533/root/chroot_tmpdir/scmroot/xdp-tools'...
$ git fetch origin 156cc2f4f872b4c3924cf04a815a1ef10c441242:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdp-tools
 * [new ref]         156cc2f4f872b4c3924cf04a815a1ef10c441242 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 156cc2f Update to upstream v1.4.3