$ git clone -n https://src.fedoraproject.org/rpms/python-speg.git /var/lib/mock/f40-build-2318769-58302/root/chroot_tmpdir/scmroot/python-speg
Cloning into '/var/lib/mock/f40-build-2318769-58302/root/chroot_tmpdir/scmroot/python-speg'...
$ git fetch origin 6b17d4ac64342ecbb8f063dcb60116dc240d5e1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-speg
 * [new ref]         6b17d4ac64342ecbb8f063dcb60116dc240d5e1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b17d4a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild