$ git clone -n https://gitee.com/src-opencloudos-rpms/systemtap.git /var/lib/mock/dist-oc9-build-229545-81364/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/dist-oc9-build-229545-81364/root/chroot_tmpdir/scmroot/systemtap'...
$ git fetch origin 6929d331264e235bbe10f402b84554264e91a43f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemtap
 * [new ref]         6929d331264e235bbe10f402b84554264e91a43f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6929d33 import systemtap-4.9-8.tl4