$ git clone -n https://gitee.com/src-opencloudos-rpms/vorbis-tools.git /var/lib/mock/dist-oc9-build-72228-47662/root/chroot_tmpdir/scmroot/vorbis-tools
Cloning into '/var/lib/mock/dist-oc9-build-72228-47662/root/chroot_tmpdir/scmroot/vorbis-tools'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/vorbis-tools
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 629b081 import vorbis-tools-1.4.2-7.tl4