$ git clone -n https://gitee.com/opencloudos-stream/R-pkg.git /var/lib/mock/dist-ocs23-build-7799-40/root/chroot_tmpdir/scmroot/R-pkg
Cloning into '/var/lib/mock/dist-ocs23-build-7799-40/root/chroot_tmpdir/scmroot/R-pkg'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/R-pkg
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9672ae5 OCS package init