$ git clone -n https://gitee.com/src-oepkgs/mongodb-org.git /var/lib/mock/dist-an7_9-updates-build-322016-67917/root/chroot_tmpdir/scmroot/mongodb-org
Cloning into '/var/lib/mock/dist-an7_9-updates-build-322016-67917/root/chroot_tmpdir/scmroot/mongodb-org'...
$ git fetch origin bcca257b3d04d79c5a111329a84efa22f40a5d43:KOJI_FETCH_HEAD
From https://gitee.com/src-oepkgs/mongodb-org
 * [new ref]         bcca257b3d04d79c5a111329a84efa22f40a5d43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcca257 4.0.5