$ git clone -n https://src.fedoraproject.org/rpms/xdp-tools.git /var/lib/mock/f45-build-38712-727/root/chroot_tmpdir/scmroot/xdp-tools
Cloning into '/var/lib/mock/f45-build-38712-727/root/chroot_tmpdir/scmroot/xdp-tools'...
$ git fetch origin 825fde357a4a9b292d7d066ecd9d72cd8da3e1cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdp-tools
 * [new ref]         825fde357a4a9b292d7d066ecd9d72cd8da3e1cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 825fde3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild