$ git clone -n https://gitee.com/src-opencloudos-rpms/libmediaart.git /var/lib/mock/dist-oc9-build-46855-14592/root/chroot_tmpdir/scmroot/libmediaart
Cloning into '/var/lib/mock/dist-oc9-build-46855-14592/root/chroot_tmpdir/scmroot/libmediaart'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libmediaart
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f2c873 import libmediaart-1.9.6-3.tl4