$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-groupoids.git /var/lib/mock/f40-build-2278880-55292/root/chroot_tmpdir/scmroot/gap-pkg-groupoids
Cloning into '/var/lib/mock/f40-build-2278880-55292/root/chroot_tmpdir/scmroot/gap-pkg-groupoids'...
$ git fetch origin e54263e91b4dfde78e9ad320253043866bf12300:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-groupoids
 * [new ref]         e54263e91b4dfde78e9ad320253043866bf12300 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e54263e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild