tmux: Make config file optional and configurable

tmux/files/tmux.conf

@@ -1,9 +0,0 @@
-set -g prefix C-a
-set -g base-index 1
-set -g status off
-bind C-a send-prefix
-bind C-l last-window
-bind C-n next-window
-bind C-p previous-window
-bind C-@ next-window
-bind Space next-window

tmux/manifests/init.pp

@@ -1,14 +1,23 @@
-# Install tmux
+# Install tmux.
 #
-class tmux {
+# === Parameters
+#
+#   $source:
+#       Configuration file source. None by default.
+#
+class tmux($source=undef) {
 
     if $::operatingsystem != "OpenBSD" {
         package { "tmux":
             ensure => installed,
-            before => File["/etc/tmux.conf"],
+            before => $source ? {
+                undef   => undef,
+                default => File["/etc/tmux.conf"],
+            },
         }
     }
 
+    if $source {
         file { "/etc/tmux.conf":
             ensure => present,
             mode   => "0644",
@@ -17,7 +26,8 @@ class tmux {
                 "openbsd" => "wheel",
                 default   => "root",
             },
-        source => "puppet:///modules/tmux/tmux.conf",
+            source => $source,
+        }
     }
 
 }