--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/sabre/vobject/bin/fetch_windows_zones.php	Sat Jan 13 09:06:10 2018 -0500
@@ -0,0 +1,47 @@
+#!/usr/bin/env php
+<?php
+
+$windowsZonesUrl = 'http://unicode.org/repos/cldr/trunk/common/supplemental/windowsZones.xml';
+$outputFile = __DIR__ . '/../lib/timezonedata/windowszones.php';
+
+echo "Fetching timezone map from: " . $windowsZonesUrl, "\n";
+
+$data = file_get_contents($windowsZonesUrl);
+
+$xml = simplexml_load_string($data);
+
+$map = [];
+
+foreach($xml->xpath('//mapZone') as $mapZone) {
+
+    $from = (string)$mapZone['other'];
+    $to = (string)$mapZone['type'];
+
+    list($to) = explode(' ', $to, 2);
+
+    if (!isset($map[$from])) {
+        $map[$from] = $to;
+    }
+
+}
+
+ksort($map);
+echo "Writing to: $outputFile\n";
+
+$f = fopen($outputFile,'w');
+fwrite($f, "<?php\n\n");
+fwrite($f, "/**\n");
+fwrite($f, " * Automatically generated timezone file\n");
+fwrite($f, " *\n");
+fwrite($f, " * Last update: " . date(DATE_W3C) . "\n");
+fwrite($f, " * Source: " .$windowsZonesUrl . "\n");
+fwrite($f, " *\n");
+fwrite($f, " * @copyright Copyright (C) 2007-2014 fruux GmbH (https://fruux.com/).\n");
+fwrite($f, " * @license http://sabre.io/license/ Modified BSD License\n");
+fwrite($f, " */\n");
+fwrite($f, "\n");
+fwrite($f, "return ");
+fwrite($f, var_export($map, true) . ';');
+fclose($f);
+
+echo "Done\n";