$ git clone -n https://gitee.com/wency_cn/libSM.git /var/lib/mock/dist-an23-build-502022-74794/root/chroot_tmpdir/scmroot/libSM
Cloning into '/var/lib/mock/dist-an23-build-502022-74794/root/chroot_tmpdir/scmroot/libSM'...
$ git fetch origin bd2a584ddb610e2d6c11db8d631464610e508ede:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libSM
 * [new ref]         bd2a584ddb610e2d6c11db8d631464610e508ede -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd2a584 Update code from upstream