$ git clone -n https://gitee.com/src-opencloudos-rpms/gstreamer1-plugins-ugly-free.git /var/lib/mock/dist-oc9-build-62398-16463/root/chroot_tmpdir/scmroot/gstreamer1-plugins-ugly-free
Cloning into '/var/lib/mock/dist-oc9-build-62398-16463/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 5b13f2d import gstreamer1-plugins-ugly-free-1.22.5-2.tl4