add another class

manifests/pbuilder_conf.pp

+# $name is the distro
+define su_debuild::pbuilder_conf(
+  $distribution             = undef,
+  $debian_type              = undef,
+  $include_stanford_keyring = true,
+) {
+
+  if ($include_stanford_keyring) {
+    $conf_file_path = "/etc/pbuilder/${distribution}"
+  } else {
+    $conf_file_path = "/etc/pbuilder/${distribution}-no-stanford-keyring"
+  }
+
+  case $debian_type {
+    'debian': {
+      if ($distribution == 'sid') {
+        $erb_file_path = 'su_debuild/etc/pbuilder/sid.erb'
+      } else {
+        $erb_file_path = 'su_debuild/etc/pbuilder/debian.erb'
+      }
+     }
+    'ubuntu': {
+      $erb_file_path = 'su_debuild/etc/pbuilder/ubuntu.erb'
+     }
+     default: {
+       crit("do not understand '${debian_type}'")
+     }
+   }
+
+  if ($distribution == 'sid') {
+    file { $conf_file_path:
+      content => template($erb_file_path),
+      require => Package['pbuilder'],
+    }
+  } else {
+    file { $conf_file_path:
+      content => template($erb_file_path),
+      require => Package['pbuilder'],
+    }
+  }
+
+}