$ git clone -n https://gitee.com/src-opencloudos-rpms/libXrender.git /var/lib/mock/dist-oc9-build-41984-14591/root/chroot_tmpdir/scmroot/libXrender
Cloning into '/var/lib/mock/dist-oc9-build-41984-14591/root/chroot_tmpdir/scmroot/libXrender'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libXrender
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc0daa4 import libXrender-0.9.10-3.tl4