$ git clone -n https://gitee.com/src-opencloudos-rpms/libdnf.git /var/lib/mock/dist-oc8-build-100187-63458/root/chroot_tmpdir/scmroot/libdnf
Cloning into '/var/lib/mock/dist-oc8-build-100187-63458/root/chroot_tmpdir/scmroot/libdnf'...
$ git fetch origin 7627fee0d65067c9c948656a9b48c3665054d257:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libdnf
 * [new ref]         7627fee0d65067c9c948656a9b48c3665054d257 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7627fee import libdnf-0.63.0-20.tl3