$ git clone -n https://gitee.com/wenyuzifang/systemtap.git /var/lib/mock/dist-an23-build-449092-73426/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/dist-an23-build-449092-73426/root/chroot_tmpdir/scmroot/systemtap'...
$ git fetch origin 4586a152c838a013a6874bb84b8e6c8c46e02592:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/systemtap
 * [new ref]         4586a152c838a013a6874bb84b8e6c8c46e02592 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4586a15 Update code from upstream