$ git clone -n https://gitee.com/src-opencloudos-rpms/virt-viewer.git /var/lib/mock/dist-oc9-build-61721-16463/root/chroot_tmpdir/scmroot/virt-viewer
Cloning into '/var/lib/mock/dist-oc9-build-61721-16463/root/chroot_tmpdir/scmroot/virt-viewer'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/virt-viewer
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8936d2a import virt-viewer-11.0-5.tl4