Merge pull request #293 from myii/fix/postgres_schema-on-FreeBSD

fix(macros.jinja): use `user` kwarg for schemas (required on FreeBSD)

kitchen.vagrant.yml

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# vim: ft=yaml
+---
+driver:
+  name: vagrant
+
+platforms:
+  - name: freebsd-120-2019-2-py3
+    driver:
+      box_url: https://freebsd.z.vstack.com/FreeBSD-12.0.box
+      cache_directory: false
+      customize:
+        usbxhci: 'off'
+      gui: false
+      linked_clone: true
+      ssh:
+        shell: '/bin/sh'

postgres/macros.jinja

@@ -18,7 +18,8 @@
   {%- if 'ensure' in kwarg %}
     {%- set ensure = kwarg.pop('ensure') %}
   {%- endif %}
-  {%- if 'user' not in kwarg and state != 'postgres_schema' %}
+  {%- set user_available = not (state == 'postgres_schema' and grains.saltversioninfo < [2018, 3]) %}
+  {%- if 'user' not in kwarg and user_available %}
     {%- do kwarg.update({'user': postgres.user}) %}
   {%- endif -%}