[package] dont use ubuntu ppa for debian

manifests/package.pp

@@ -5,11 +5,24 @@ class git::package {
 
   case $::osfamily {
     'Debian': {
-      class { 'git::package::debian':
+      case $::operatingsystem {
+        'ubuntu': {
+          class { 'git::package::ubuntu':
             require => Anchor['git::package::begin'],
             before  => Anchor['git::package::end'],
           }
         }
+        'debian': {
+          package { 'git-core':
+            require => Anchor['git::package::begin'],
+            before  => Anchor['git::package::end'],
+          }
+        }
+        default: {
+          err("Module ${module_name} does not yet support ${::operatingsystem}")
+        }
+      } # Case $::operatingsystem
+    }
     'RedHat': {
       package { 'git':
         require => Anchor['git::package::begin'],

manifests/package/ubuntu.pp

@@ -1,5 +1,5 @@
 #
-class git::package::debian {
+class git::package::ubuntu {
   include apt
   apt::ppa { 'ppa:git-core/ppa': }