$ git clone -n https://src.fedoraproject.org/rpms/waffle.git /var/lib/mock/f40-build-2720062-73031/root/chroot_tmpdir/scmroot/waffle
Cloning into '/var/lib/mock/f40-build-2720062-73031/root/chroot_tmpdir/scmroot/waffle'...
$ git fetch origin f4845fcc79be1a723ca3115a87cbaea0341b11ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/waffle
 * [new ref]         f4845fcc79be1a723ca3115a87cbaea0341b11ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4845fc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild