diff --git a/plugins/pilot/lib/types/settings.js b/plugins/pilot/lib/types/settings.js
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+++ b/plugins/pilot/lib/types/settings.js
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+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Skywriter.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla.
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *      Joe Walker (jwalker@mozilla.com)
+ *      Kevin Dangoor (kdangoor@mozilla.com)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+define(function(require, exports, module) {
+
+var SelectionType = require("pilot/types/basic").SelectionType;
+var DeferredType = require("pilot/types/basic").DeferredType;
+var types = require("pilot/types");
+
+
+/**
+ * EVIL: This relies on us using settingValue in the same event as setting
+ * The alternative is to have some central place where we store the current
+ * command line, but this might be a lesser evil for now.
+ */
+var lastSetting;
+
+/**
+ * Select from the available settings
+ */
+var setting = new SelectionType({
+    name: 'setting',
+    data: function() {
+        return env.settings.getSettingNames();
+    },
+    stringify: function(value) {
+        lastSetting = value;
+        return SelectionType.prototype.stringify.call(this, value);
+    },
+    parse: function(value) {
+        lastSetting = value;
+        return SelectionType.prototype.parse.call(this, value);
+    }
+});
+
+/**
+ * Something of a hack to allow the set command to give a clearer definition
+ * of the type to the command line.
+ */
+var settingValue = new DeferredType({
+    name: "settingValue",
+    defer: function() {
+        return env.settings.getSetting(lastSetting).type;
+    }
+});
+
+var env;
+
+/**
+ * Registration and de-registration.
+ */
+exports.startup = function(data, reason) {
+    // TODO: this is probably all kinds of evil, but we need something working
+    env = data.env;
+    types.registerType(setting);
+    types.registerType(settingValue);
+};
+
+exports.shutdown = function(data, reason) {
+    types.unregisterType(setting);
+    types.unregisterType(settingValue);
+};
+
+
+});