commit cad81f8137eb7d592f4b5fb79302807acece1d8f
Author: Miro Dietiker <miro.dietiker@md-systems.ch>
Date:   Mon Nov 5 00:47:20 2012 +0100

    Moved to state.

diff --git a/core/includes/update.inc b/core/includes/update.inc
index ec21aca..16894c3 100644
--- a/core/includes/update.inc
+++ b/core/includes/update.inc
@@ -496,9 +496,11 @@ function update_prepare_d8_language() {
 function update_fix_d8_requirements() {
   global $conf;
 
-  if (drupal_get_installed_schema_version('system') < 8000 && !update_variable_get('update_d8_requirements', FALSE)) {
-    // @todo: Make critical, first-run changes to the database here.
-    update_variable_set('update_d8_requirements', TRUE);
+  $update_d8_requirements = state()->get('update_d8_requirements') ?: FALSE;
+  if (drupal_get_installed_schema_version('system') < 8000 && !$update_d8_requirements) {
+      // @todo: Make critical, first-run changes to the database here.
+      state()->set('update_d8_requirements', TRUE);
+    }
   }
 }