$ git clone -n https://src.fedoraproject.org/rpms/bcel.git /var/lib/mock/f40-build-2310975-57469/root/chroot_tmpdir/scmroot/bcel
Cloning into '/var/lib/mock/f40-build-2310975-57469/root/chroot_tmpdir/scmroot/bcel'...
$ git fetch origin 928b97e64a6d81427f27492867fbe01ddff83f72:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bcel
 * [new ref]         928b97e64a6d81427f27492867fbe01ddff83f72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 928b97e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild