Fix apt::upgrade_package when used multiple times.

1 files changed, 12 insertions, 3 deletions

diff --git a/manifests/upgrade_package.pp b/manifests/upgrade_package.pp
index 8056286..358bd9e 100644
--- a/manifests/upgrade_package.pp
+++ b/manifests/upgrade_package.pp
@@ -8,9 +8,18 @@ define apt::upgrade_package ($version = "") {
     default  => "=${version}",
   }
 
-  package { ['apt-show-versions', 'dctrl-tools']:
-    ensure => installed,
-    require => undef,
+  if !defined(Package['apt-show-versions']) {
+    package { 'apt-show-versions':
+      ensure => installed,
+      require => undef,
+    }
+  }
+
+  if !defined(Package['dctrl-tools']) {
+    package { 'dctrl-tools':
+      ensure => installed,
+      require => undef,
+    }
   }
 
   exec { "aptitude -y install ${name}${version_suffix}":