$ git clone -n https://gitee.com/src-opencloudos-rpms/dnf /var/lib/mock/dist-oc8-build-32460-9752/root/chroot_tmpdir/scmroot/dnf
Cloning into '/var/lib/mock/dist-oc8-build-32460-9752/root/chroot_tmpdir/scmroot/dnf'...
$ git reset --hard origin/oc8
HEAD is now at 3b5fa29 import dnf-4.7.0-11.tl3