Index: wp-settings.php
===================================================================
--- wp-settings.php	(revision 26811)
+++ wp-settings.php	(working copy)
@@ -99,8 +99,20 @@
 register_shutdown_function( 'shutdown_action_hook' );
 
 // Stop most of WordPress from being loaded if we just want the basics.
-if ( SHORTINIT )
+if ( SHORTINIT ) {
+
+	// Custom SHORTINIT actions
+	if ( is_dir( WP_CONTENT_DIR . '/shortinit/' ) ) {
+		$filenames = (array) scandir( WP_CONTENT_DIR . '/shortinit/' );
+		foreach ( $filenames as $filename ) {
+			if ( '.' != substr( $filename, 0, 1 ) ) {
+				require_once( WP_CONTENT_DIR . '/shortinit/' . $filename );
+			}
+		}
+	}
+
 	return false;
+}
 
 // Load the L10n library.
 require_once( ABSPATH . WPINC . '/l10n.php' );