From e530e301aeb77194b4aebf40c2d4380d79fb96c8 Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sat, 30 Dec 2017 13:59:46 -0200
Subject: Check if mailx package is not already defined by other modules

---
 manifests/init.pp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/manifests/init.pp b/manifests/init.pp
index 3637cdd..8ee2346 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -119,12 +119,18 @@ class postfix(
     include postfix::virtual_regexp
   }
 
-  package { ['postfix', 'mailx']:
-    ensure => installed
+  package { 'postfix':
+    ensure => installed,
   }
 
-  if $::operatingsystem == 'debian' {
-    Package[mailx] { name => 'bsd-mailx' }
+  if !defined(Package['mailx']) {
+    package { 'mailx':
+      ensure => installed,
+      name   => $::operatingsystem ? {
+        debian  => 'bsd-mailx',
+        default => 'mailx',
+      },
+    }
   }
 
   service { 'postfix':
-- 
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