$ git clone -n https://gitee.com/fundawang/postgresql.git /var/lib/mock/dist-an23-build-292649-65101/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-an23-build-292649-65101/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin e94158315a72ebe9fecbb3b4458a3bf06d116ccf:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/postgresql
 * [new ref]         e94158315a72ebe9fecbb3b4458a3bf06d116ccf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e941583 Add requirement on system-rpm-config for /usr/bin/pg_config