$ git clone -n https://gitee.com/src-opencloudos-rpms/libvorbis.git /var/lib/mock/dist-oc9-build-70581-47448/root/chroot_tmpdir/scmroot/libvorbis
Cloning into '/var/lib/mock/dist-oc9-build-70581-47448/root/chroot_tmpdir/scmroot/libvorbis'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libvorbis
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86f1174 import libvorbis-1.3.7-4.tl4