$ git clone -n https://gitee.com/src-opencloudos-rpms/R-pkg.git /var/lib/mock/dist-oc9-la64-build-136668-79169/root/chroot_tmpdir/scmroot/R-pkg
Cloning into '/var/lib/mock/dist-oc9-la64-build-136668-79169/root/chroot_tmpdir/scmroot/R-pkg'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/R-pkg
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db72219 import R-4.4.1-3.tl4