$ git clone -n https://src.fedoraproject.org/rpms/dreamchess.git /var/lib/mock/f42-build-side-1-3585836-46908/root/chroot_tmpdir/scmroot/dreamchess
Cloning into '/var/lib/mock/f42-build-side-1-3585836-46908/root/chroot_tmpdir/scmroot/dreamchess'...
$ git fetch origin 54cf161763bb60118796283c652e345b3b68fde1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dreamchess
 * [new ref]         54cf161763bb60118796283c652e345b3b68fde1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54cf161 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild