Ticket #18826: maintenance.diff

wp-includes/load.php

@@ -151 +151 @@
 
         include( ABSPATH . '.maintenance' );
         // If the $upgrading timestamp is older than 10 minutes, don't die.
-        if ( ( time() - $upgrading ) >= 600 )
+        if ( ( time() - $upgrading ) >= apply_filters( 'wp_maintenance_expiration', 300 ) ) {
+                @unlink( ABSPATH . '.maintenance' );
                 return;
+        }
 
         if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {
                 require_once( WP_CONTENT_DIR . '/maintenance.php' );