$ git clone -n https://gitee.com/opencloudos-stream/python-pure-protobuf.git /var/lib/mock/dist-oc9-epol-build-84435-57335/root/chroot_tmpdir/scmroot/python-pure-protobuf
Cloning into '/var/lib/mock/dist-oc9-epol-build-84435-57335/root/chroot_tmpdir/scmroot/python-pure-protobuf'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/python-pure-protobuf
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d0de4f package init