First commit

modules/overlay/overlay.install

@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * @file
+ * Install, update, and uninstall functions for the Overlay module.
+ */
+
+/**
+ * Implements hook_enable().
+ *
+ * If the module is being enabled through the admin UI, and not from an
+ * installation profile, reopen the modules page in an overlay.
+ */
+function overlay_enable() {
+  if (strpos(current_path(), 'admin/modules') === 0) {
+    // Flag for a redirect to <front>#overlay=admin/modules on hook_init().
+    $_SESSION['overlay_enable_redirect'] = 1;
+  }
+}