$ git clone -n https://gitee.com/src-opencloudos-rpms/nano.git /var/lib/mock/dist-oc9-build-70863-47481/root/chroot_tmpdir/scmroot/nano
Cloning into '/var/lib/mock/dist-oc9-build-70863-47481/root/chroot_tmpdir/scmroot/nano'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/nano
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d3199f import nano-7.0-5.tl4