$ git clone -n https://gitee.com/src-opencloudos-rpms/R-pkg.git /var/lib/mock/dist-oc9-build-206696-80563/root/chroot_tmpdir/scmroot/R-pkg
Cloning into '/var/lib/mock/dist-oc9-build-206696-80563/root/chroot_tmpdir/scmroot/R-pkg'...
$ git fetch origin 429a72186846f2a72f19173734a91d71aca9cc66:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/R-pkg
 * [new ref]         429a72186846f2a72f19173734a91d71aca9cc66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 429a721 import R-4.4.1-4.tl4