gecko/toolkit/content/UpdateChannel.jsm

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/* 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/. */
const EXPORTED_SYMBOLS = ["UpdateChannel"];
const Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
let UpdateChannel = {
/**
* Read the update channel from defaults only. We do this to ensure that
* the channel is tightly coupled with the application and does not apply
* to other instances of the application that may use the same profile.
*/
get: function UpdateChannel_get() {
let channel = "default";
let defaults = Services.prefs.getDefaultBranch(null);
try {
channel = defaults.getCharPref("app.update.channel");
} catch (e) {
// use default when pref not found
}
try {
let partners = Services.prefs.getChildList("app.partner.").sort();
if (partners.length) {
channel += "-cck";
partners.forEach(function (prefName) {
channel += "-" + Services.prefs.getCharPref(prefName);
});
}
} catch (e) {
Cu.reportError(e);
}
return channel;
}
};