$ git clone -n https://gitee.com/src-opencloudos-rpms/gstreamer1-plugins-bad-free /var/lib/mock/dist-oc8-build-57927-15795/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free
Cloning into '/var/lib/mock/dist-oc8-build-57927-15795/root/chroot_tmpdir/scmroot/gstreamer1-plugins-bad-free'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gstreamer1-plugins-bad-free
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2876ab import gstreamer1-plugins-bad-free-1.16.1-2.tl3