$ git clone -n https://src.fedoraproject.org/rpms/flatbuffers.git /var/lib/mock/f40-build-801634-143841/root/chroot_tmpdir/scmroot/flatbuffers
Cloning into '/var/lib/mock/f40-build-801634-143841/root/chroot_tmpdir/scmroot/flatbuffers'...
$ git fetch origin 2320862246cd929081e259df736035ccad792ffd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/flatbuffers
 * [new ref]         2320862246cd929081e259df736035ccad792ffd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2320862 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild