$ git clone -n https://gitee.com/ocs-upgrade/R-pkg.git /var/lib/mock/dist-ocs23-build-260316-24980/root/chroot_tmpdir/scmroot/R-pkg
Cloning into '/var/lib/mock/dist-ocs23-build-260316-24980/root/chroot_tmpdir/scmroot/R-pkg'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/R-pkg
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14c31e9 Upgrade to version 4.4.1