$ git clone -n https://gitee.com/gordonwwang/postgresql.git /var/lib/mock/dist-ocs23-build-111271-7279/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-ocs23-build-111271-7279/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/gordonwwang/postgresql
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35e4c28 update Requires