disable additional auth plugins in installer

install.php

@@ -54,7 +54,8 @@ $dokuwiki_hash = array(
     '2011-05-25'   => '4241865472edb6fa14a1227721008072',
     '2011-11-10'   => 'b46ff19a7587966ac4df61cbab1b8b31',
     '2012-01-25'   => '72c083c73608fc43c586901fd5dabb74',
-    '2012-09-10'   => 'eb0b3fc90056fbc12bac6f49f7764df3'
+    '2012-09-10'   => 'eb0b3fc90056fbc12bac6f49f7764df3',
+    'devel'        => '7b62b75245f57f122d3e0f8ed7989623',
 );
 
 
@@ -391,6 +392,24 @@ EOT;
         @touch(DOKU_INC.'data/cache/autosubmit.txt');
     }
 
+    // disable auth plugins til needed
+    $output = <<<EOT
+<?php
+/*
+ * Local plugin enable/disable settings
+ *
+ * Auto-generated by install script
+ * Date: $now
+ */
+
+\$plugins['authad']    = 0;
+\$plugins['authldap']  = 0;
+\$plugins['authmysql'] = 0;
+\$plugins['authpgsql'] = 0;
+
+EOT;
+    $ok = $ok && fileWrite(DOKU_LOCAL.'plugins.local.php', $output);
+
     return $ok;
 }