$ git clone -n https://gitee.com/src-opencloudos-rpms/plotutils.git /var/lib/mock/dist-oc9-build-63948-16463/root/chroot_tmpdir/scmroot/plotutils
Cloning into '/var/lib/mock/dist-oc9-build-63948-16463/root/chroot_tmpdir/scmroot/plotutils'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/plotutils
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bfea94 import plotutils-2.6-4.tl4