$ git clone -n https://src.fedoraproject.org/rpms/chess_db.git /var/lib/mock/f40-build-799358-142272/root/chroot_tmpdir/scmroot/chess_db
Cloning into '/var/lib/mock/f40-build-799358-142272/root/chroot_tmpdir/scmroot/chess_db'...
$ git fetch origin e915bbd6c553be5471530f506353c6b3dc626b61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chess_db
 * [new ref]         e915bbd6c553be5471530f506353c6b3dc626b61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e915bbd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild