$ git clone -n https://gitee.com/wency_cn/usermode.git /var/lib/mock/dist-an23-build-507568-74928/root/chroot_tmpdir/scmroot/usermode
Cloning into '/var/lib/mock/dist-an23-build-507568-74928/root/chroot_tmpdir/scmroot/usermode'...
$ git fetch origin 66452dfafbda8c143d4f50a3eb9c74c9f69a6dd6:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/usermode
 * [new ref]         66452dfafbda8c143d4f50a3eb9c74c9f69a6dd6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66452df Update code from upstream