$ git clone -n https://gitee.com/src-opencloudos-rpms/symlinks.git /var/lib/mock/dist-oc9-build-72098-47640/root/chroot_tmpdir/scmroot/symlinks
Cloning into '/var/lib/mock/dist-oc9-build-72098-47640/root/chroot_tmpdir/scmroot/symlinks'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/symlinks
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe3c489 import symlinks-1.7-4.tl4