$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql.git /var/lib/mock/dist-oc9-build-100116-62578/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-oc9-build-100116-62578/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin 4097d47076a4c7a207e282b8e9a314ae947c16a4:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql
 * [new ref]         4097d47076a4c7a207e282b8e9a314ae947c16a4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4097d47 import postgresql-15.8-1.tl4