$ git clone -n https://src.fedoraproject.org/rpms/elfio.git /var/lib/mock/f40-build-2686841-68073/root/chroot_tmpdir/scmroot/elfio
Cloning into '/var/lib/mock/f40-build-2686841-68073/root/chroot_tmpdir/scmroot/elfio'...
$ git fetch origin b0982bcab9a69ef2699c3e7901aba65752bb9471:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/elfio
 * [new ref]         b0982bcab9a69ef2699c3e7901aba65752bb9471 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b0982bc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild