$ git clone -n https://gitee.com/opencloudos-stream/postgresql.git /var/lib/mock/dist-ocs23-build-27872-1191/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-ocs23-build-27872-1191/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/postgresql
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b1fafe !2 Rebuilt for tcl 8.6.13 Merge pull request !2 from cunshunxia/master