$ git clone -n https://gitee.com/src-opencloudos-rpms/gstreamer1-plugins-ugly-free.git /var/lib/mock/dist-oc9-build-41541-14591/root/chroot_tmpdir/scmroot/gstreamer1-plugins-ugly-free
Cloning into '/var/lib/mock/dist-oc9-build-41541-14591/root/chroot_tmpdir/scmroot/gstreamer1-plugins-ugly-free'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gstreamer1-plugins-ugly-free
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f333e4c import gstreamer1-plugins-ugly-free-1.20.4-2.tl4