$ git clone -n https://gitee.com/src-opencloudos-rpms/systemtap /var/lib/mock/dist-oc8-build-58138-15943/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/dist-oc8-build-58138-15943/root/chroot_tmpdir/scmroot/systemtap'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemtap
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c937a9 import systemtap-4.9-3.tl3.1