$ git clone -n https://src.fedoraproject.org/rpms/python-cachetools.git /var/lib/mock/f40-build-2313288-57681/root/chroot_tmpdir/scmroot/python-cachetools
Cloning into '/var/lib/mock/f40-build-2313288-57681/root/chroot_tmpdir/scmroot/python-cachetools'...
$ git fetch origin 30fa5a47541e14829505b355685f2f009e25a9f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cachetools
 * [new ref]         30fa5a47541e14829505b355685f2f009e25a9f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 30fa5a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild