apt: remove sources.list/preferences not managed by puppet.

Author: Marc Fournier

Diff for: files/empty/.placeholder

@@ -3,6 +3,16 @@
     require => Exec["apt-get_update"]
   }
 
+  # ensure only files managed by puppet be present in this directory.
+  file { "/etc/apt/sources.list.d":
+    ensure  => directory,
+    source  => "puppet:///apt/empty/",
+    recurse => true,
+    purge   => true,
+    force   => true,
+    ignore  => ".placeholder",
+  }
+
   apt::conf {"10periodic":
     ensure => present,
     source => "puppet:///apt/10periodic",

Diff for: manifests/classes/apt.pp

@@ -7,6 +7,7 @@
 
   common::concatfilepart { $name:
     ensure  => $ensure,
+    manage  => true,
     file    => "/etc/apt/preferences",
     content => template("apt/preferences.erb"),
     before  => Exec["apt-get_update"],