diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/test/addons/test_jetpack/bootstrap.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/test/addons/test_jetpack/bootstrap.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,17 @@
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+function install(data, reason) {
+  Services.prefs.setIntPref("jetpacktest.installed_version", 1);
+}
+
+function startup(data, reason) {
+  Services.prefs.setIntPref("jetpacktest.active_version", 1);
+}
+
+function shutdown(data, reason) {
+  Services.prefs.setIntPref("jetpacktest.active_version", 0);
+}
+
+function uninstall(data, reason) {
+  Services.prefs.setIntPref("jetpacktest.installed_version", 0);
+}