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diff --git a/tools/addon-sdk-1.7/packages/api-utils/lib/system.js b/tools/addon-sdk-1.7/packages/api-utils/lib/system.js
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+/* vim:set ts=2 sw=2 sts=2 expandtab */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+'use strict';
+
+const { Cc, Ci, CC } = require('chrome');
+const options = require('@packaging');
+const file = require('./file');
+const runtime = require("./runtime.js");
+
+const appStartup = Cc['@mozilla.org/toolkit/app-startup;1'].
+                   getService(Ci.nsIAppStartup);
+const appInfo = Cc["@mozilla.org/xre/app-info;1"].
+                getService(Ci.nsIXULAppInfo);
+const directoryService = Cc['@mozilla.org/file/directory_service;1'].
+                         getService(Ci.nsIProperties);
+
+
+const { eAttemptQuit: E_ATTEMPT, eForceQuit: E_FORCE } = appStartup;
+
+/**
+ * Parsed JSON object that was passed via `cfx --static-args "{ foo: 'bar' }"`
+ */
+exports.staticArgs = options.staticArgs;
+
+/**
+ * Environment variables. Environment variables are non-enumerable properties
+ * of this object (key is name and value is value).
+ */
+exports.env = require('./environment').env;
+
+/**
+ * Ends the process with the specified `code`. If omitted, exit uses the
+ * 'success' code 0. To exit with failure use `1`.
+ * TODO: Improve platform to actually quit with an exit code.
+ */
+exports.exit = function exit(code) {
+  // This is used by 'cfx' to find out exit code.
+  if ('resultFile' in options) {
+    let stream = file.open(options.resultFile, 'w');
+    stream.write(code ? 'FAIL' : 'OK');
+    stream.close();
+  }
+
+  appStartup.quit(code ? E_ATTEMPT : E_FORCE);
+};
+
+/**
+ * Returns a path of the system's or application's special directory / file
+ * associated with a given `id`. For list of possible `id`s please see:
+ * https://developer.mozilla.org/en/Code_snippets/File_I%2F%2FO#Getting_special_files
+ * http://mxr.mozilla.org/mozilla-central/source/xpcom/io/nsAppDirectoryServiceDefs.h
+ * @example
+ *
+ *    // get firefox profile path
+ *    let profilePath = require('system').pathFor('ProfD');
+ *    // get OS temp files directory (/tmp)
+ *    let temps = require('system').pathFor('TmpD');
+ *    // get OS desktop path for an active user (~/Desktop on linux
+ *    // or C:\Documents and Settings\username\Desktop on windows).
+ *    let desktopPath = require('system').pathFor('Desk');
+ */
+exports.pathFor = function pathFor(id) {
+  return directoryService.get(id, Ci.nsIFile).path;
+};
+
+/**
+ * What platform you're running on (all lower case string).
+ * For possible values see:
+ * https://developer.mozilla.org/en/OS_TARGET
+ */
+exports.platform = runtime.OS.toLowerCase();
+
+/**
+ * What processor architecture you're running on:
+ * `'arm', 'ia32', or 'x64'`.
+ */
+exports.architecture = runtime.XPCOMABI.split('_')[0];
+
+/**
+ * What compiler used for build:
+ * `'msvc', 'n32', 'gcc2', 'gcc3', 'sunc', 'ibmc'...`
+ */
+exports.compiler = runtime.XPCOMABI.split('_')[1];
+
+/**
+ * The application's build ID/date, for example "2004051604".
+ */
+exports.build = appInfo.appBuildID;
+
+/**
+ * The XUL application's UUID.
+ * This has traditionally been in the form
+ * `{AAAAAAAA-BBBB-CCCC-DDDD-EEEEEEEEEEEE}` but for some applications it may
+ * be: "appname@vendor.tld".
+ */
+exports.id = appInfo.ID;
+
+/**
+ * The name of the application. 
+ */
+exports.name = appInfo.name;
+
+/**
+ * The XUL application's version, for example "0.8.0+" or "3.7a1pre".
+ */
+exports.version = appInfo.version;
+
+/**
+ * XULRunner version.
+ */
+exports.platformVersion = appInfo.platformVersion;
+
+
+/**
+ * The name of the application vendor, for example "Mozilla".
+ */
+exports.vendor = appInfo.vendor;