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diff --git a/bin/updatecss.sh b/bin/updatecss.sh
new file mode 100755
index 000000000..c477171ff
--- /dev/null
+++ b/bin/updatecss.sh
@@ -0,0 +1,122 @@
+#!/usr/bin/env php
+<?php
+/*
+ +-----------------------------------------------------------------------+
+ | bin/updatecss.sh |
+ | |
+ | This file is part of the Roundcube Webmail client |
+ | Copyright (C) 2010-2013, The Roundcube Dev Team |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
+ | |
+ | PURPOSE: |
+ | Update cache-baster marks for css background images |
+ +-----------------------------------------------------------------------+
+ | Author: Aleksander Machniak <alec@alec.pl> |
+ +-----------------------------------------------------------------------+
+*/
+
+define('INSTALL_PATH', realpath(dirname(__FILE__) . '/..') . '/' );
+
+require_once INSTALL_PATH . 'program/include/clisetup.php';
+
+// get arguments
+$opts = rcube_utils::get_opt(array(
+ 'd' => 'dir',
+));
+
+if (empty($opts['dir'])) {
+ print "Skin directory not specified (--dir). Using skins/ and plugins/skins/.\n";
+
+ $dir = INSTALL_PATH . 'skins';
+ $dir_p = INSTALL_PATH . 'plugins';
+ $skins = glob("$dir/*", GLOB_ONLYDIR);
+ $skins_p = glob("$dir_p/*/skins/*", GLOB_ONLYDIR);
+
+ $dirs = array_merge($skins, $skins_p);
+}
+// Check if directory exists
+else if (!file_exists($opts['dir'])) {
+ rcube::raise_error("Specified directory doesn't exist.", false, true);
+}
+else {
+ $dirs = array($opts['dir']);
+}
+
+foreach ($dirs as $dir) {
+ $img_dir = $dir . '/images';
+ if (!file_exists($img_dir)) {
+ continue;
+ }
+
+ $files = get_files($dir);
+ $images = get_images($img_dir);
+ $find = array();
+ $replace = array();
+
+ // build regexps array
+ foreach ($images as $path => $sum) {
+ $path_ex = str_replace('.', '\\.', $path);
+ $find[] = "#url\(['\"]?images/$path_ex(\?v=[a-f0-9-\.]+)?['\"]?\)#";
+ $replace[] = "url(images/$path?v=$sum)";
+ }
+
+ foreach ($files as $file) {
+ $file = $dir . '/' . $file;
+ print "File: $file\n";
+ $content = file_get_contents($file);
+ $content = preg_replace($find, $replace, $content, -1, $count);
+ if ($count) {
+ file_put_contents($file, $content);
+ }
+ }
+}
+
+
+function get_images($dir)
+{
+ $images = array();
+ $dh = opendir($dir);
+
+ while ($file = readdir($dh)) {
+ if (preg_match('/^(.+)\.(gif|ico|png|jpg|jpeg)$/', $file, $m)) {
+ $filepath = "$dir/$file";
+ $images[$file] = substr(md5_file($filepath), 0, 4) . '.' . filesize($filepath);
+ print "Image: $filepath ({$images[$file]})\n";
+ }
+ else if ($file != '.' && $file != '..' && is_dir($dir . '/' . $file)) {
+ foreach (get_images($dir . '/' . $file) as $img => $sum) {
+ $images[$file . '/' . $img] = $sum;
+ }
+ }
+ }
+
+ closedir($dh);
+
+ return $images;
+}
+
+function get_files($dir)
+{
+ $files = array();
+ $dh = opendir($dir);
+
+ while ($file = readdir($dh)) {
+ if (preg_match('/^(.+)\.(css|html)$/', $file, $m)) {
+ $files[] = $file;
+ }
+ else if ($file != '.' && $file != '..' && is_dir($dir . '/' . $file)) {
+ foreach (get_files($dir . '/' . $file) as $f) {
+ $files[] = $file . '/' . $f;
+ }
+ }
+ }
+
+ closedir($dh);
+
+ return $files;
+}
+
+?>

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