$ git clone -n https://gitee.com/src-opencloudos-rpms/appstream.git /var/lib/mock/dist-oc9-webui-build-56371-14795/root/chroot_tmpdir/scmroot/appstream
Cloning into '/var/lib/mock/dist-oc9-webui-build-56371-14795/root/chroot_tmpdir/scmroot/appstream'...
$ git fetch origin oc9-webui:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/appstream
 * [new branch]      oc9-webui  -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 351e2e7 import appstream-0.16.1-4.tl4