$ git clone -n https://gitee.com/src-opencloudos-rpms/lftp /var/lib/mock/dist-oc8-build-57970-15832/root/chroot_tmpdir/scmroot/lftp
Cloning into '/var/lib/mock/dist-oc8-build-57970-15832/root/chroot_tmpdir/scmroot/lftp'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/lftp
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 055b62a import lftp-4.8.4-3.tl3