From e10ad0e7456edaa76509508de9c23103603607f7 Mon Sep 17 00:00:00 2001
From: Gilles Dartiguelongue <eva@gentoo.org>
Date: Mon, 20 Jun 2016 19:02:41 +0200
Subject: [PATCH] Make prope use of jinja templating features

join is available in jinja-2.6, released in 2011.
---
 postfix/files/mapping.j2 | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/postfix/files/mapping.j2 b/postfix/files/mapping.j2
index fac8e7f..976a205 100644
--- a/postfix/files/mapping.j2
+++ b/postfix/files/mapping.j2
@@ -3,10 +3,7 @@
 {%- macro format_value(key, value) %}
   {#- Some settings, like virtual_alias_maps can take multiple values. Handle this case. -#}
   {%- if value is iterable and value is not string -%}
-{{ key }}	{% for item in value -%}
-    {{ item }}
-    {%- if not loop.last %}, {% endif %}
-    {%- endfor %}
+{{ key }}	{{ value|join(", ") }}
   {%- else -%}
 {{ key }}	{{ value }}
   {%- endif -%}