$ git clone -n https://src.fedoraproject.org/rpms/pychess.git /var/lib/mock/f40-build-2481624-61633/root/chroot_tmpdir/scmroot/pychess
Cloning into '/var/lib/mock/f40-build-2481624-61633/root/chroot_tmpdir/scmroot/pychess'...
$ git fetch origin 2b0a7ea9021ea95c6c4c76f67f91dc534a6e3a6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pychess
 * [new ref]         2b0a7ea9021ea95c6c4c76f67f91dc534a6e3a6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2b0a7ea Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild