$ git clone -n https://gitee.com/src-opencloudos-rpms/rrdtool.git /var/lib/mock/dist-oc8-build-243034-83076/root/chroot_tmpdir/scmroot/rrdtool
Cloning into '/var/lib/mock/dist-oc8-build-243034-83076/root/chroot_tmpdir/scmroot/rrdtool'...
$ git fetch origin f64eefeb52952cdde701e86a6b3d5ccfa41215e7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rrdtool
 * [new ref]         f64eefeb52952cdde701e86a6b3d5ccfa41215e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f64eefe import rrdtool-1.7.0-17.tl3