$ git clone -n https://gitee.com/wency_cn/libnbd_1772029201.git /var/lib/mock/dist-an23-build-514959-75118/root/chroot_tmpdir/scmroot/libnbd_1772029201
Cloning into '/var/lib/mock/dist-an23-build-514959-75118/root/chroot_tmpdir/scmroot/libnbd_1772029201'...
$ git fetch origin 3e14e9d6cbd51f28c763f05c9bd5178dd5b595ea:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libnbd_1772029201
 * [new ref]         3e14e9d6cbd51f28c763f05c9bd5178dd5b595ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e14e9d Update code from upstream