$ git clone -n https://src.fedoraproject.org/rpms/koko.git /var/lib/mock/f40-build-2277579-55235/root/chroot_tmpdir/scmroot/koko
Cloning into '/var/lib/mock/f40-build-2277579-55235/root/chroot_tmpdir/scmroot/koko'...
$ git fetch origin 07256e4ab84a51f9a5724d56396d3209552314f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/koko
 * [new ref]         07256e4ab84a51f9a5724d56396d3209552314f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07256e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild