$ git clone -n https://src.fedoraproject.org/rpms/brutalchess.git /var/lib/mock/f40-build-2274801-55030/root/chroot_tmpdir/scmroot/brutalchess
Cloning into '/var/lib/mock/f40-build-2274801-55030/root/chroot_tmpdir/scmroot/brutalchess'...
$ git fetch origin 5401a0c7c7c8f06e4164b221880375844b443b5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brutalchess
 * [new ref]         5401a0c7c7c8f06e4164b221880375844b443b5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5401a0c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild