diff --git a/tests/assets/mail/roundcube/carddav_refresh.sh b/tests/assets/mail/roundcube/carddav_refresh.sh
new file mode 100755
index 00000000..16f927ee
--- /dev/null
+++ b/tests/assets/mail/roundcube/carddav_refresh.sh
@@ -0,0 +1,157 @@
+#!/usr/bin/env php
+<?php
+
+define('INSTALL_PATH', realpath(__DIR__ . '/..') . '/' );
+
+require_once INSTALL_PATH.'program/include/clisetup.php';
+ini_set('memory_limit', -1);
+
+
+
+function usage()
+{
+    print "Usage: carddav_refresh.sh [-id <number>] username password\n";
+    print "Force a sync of a user's addressbook with the remote server\n";
+    print "Place this script in /path/to/roundcubemail/bin, then change the working directory to /path/to/roundcubemail, then run ./bin/cardav_refresh.sh"; 
+    exit(1);
+}
+
+function _die($msg)
+{
+    fwrite(STDERR, $msg . "\n");
+    exit(1);
+}
+
+$args = rcube_utils::get_opt(array('id' => 'dbid'));
+
+$dbid = 0;
+if (!empty($args['dbid'])) {
+    $dbid = intval($args['dbid']);
+}
+   
+$username = trim($args[0]);
+if (empty($username)) {
+    print "Missing username";
+    usage();
+}
+$password = trim($args[1]);
+if (empty($password)) {
+    usage();
+}
+
+
+// -----
+// From index.php -- initialization and login
+// -----
+
+// init application, start session, init output class, etc.
+$RCMAIL = rcmail::get_instance(0, $GLOBALS['env']);
+
+// trigger startup plugin hook
+$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
+$RCMAIL->set_task($startup['task']);
+$RCMAIL->action = $startup['action'];
+$auth = $RCMAIL->plugins->exec_hook('authenticate', array(
+            'host'  => $RCMAIL->autoselect_host(),
+            'user'  => $username,
+            'pass'  => $password,
+            'valid' => true,
+            'cookiecheck' => false,));
+
+// Login
+if ($auth['valid'] && !$auth['abort']
+    && $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'], $auth['cookiecheck']))
+  {
+    print "login ok\n";
+  }
+ else
+   {
+     _die("login failed");
+   }
+
+
+// ----------------------------------------------------
+// Get the user id (see deluser.sh)
+// ----------------------------------------------------
+$host = $auth['host']; # can be a url (eg: ssl://localhost)
+$host_url = parse_url($host);
+if ($host_url['host']) {
+       $host = $host_url['host'];
+}
+$user = rcube_user::query($auth['user'], $host);
+if (!$user) {
+       _die("User not found auth[host]=" . $auth['host'] . " host=" . $host . "\n");
+}
+   
+
+// ----------------------------------------------------
+// ensure the carddav tables are created and populated
+// ----------------------------------------------------
+
+require_once('plugins/carddav/carddav.php');
+
+try {
+   $c = new carddav(rcube_plugin_api::get_instance());
+   $c->task .= "|cli";
+   $c->init();
+   print "done: init\n";
+   // this ensures the carddav tables are created
+   $c->checkMigrations();
+   print "done: init tables\n";
+   // this populates carddav_addressbooks from config
+   $c->initPresets();
+   print "done: init addressbooks\n";
+} catch(exception $e) {
+    print $e . "\n";
+    _die("failed");
+}
+
+
+// -------------------------------------------------------------
+// Set the last_updated field for addressbooks to an old date.
+// That will force a sync/update
+// -------------------------------------------------------------
+$db = $rcmail->get_dbh();
+$db->db_connect('w');
+if (!$db->is_connected() || $db->is_error()) {
+  _die("No DB connection\n" . $db->is_error());
+}
+print "db connected\n";
+
+$db->query("update " . $db->table_name('carddav_addressbooks') . " set last_updated=? WHERE active=1 and user_id=" . $user->ID, 1636996198);
+print "update made\n";
+if ($db->is_error()) {
+  _die("DB error occurred: " . $db->is_error());
+}
+
+
+// ------------------------------------------------------
+// Update/sync all out-of-date address books
+// ------------------------------------------------------
+
+// first get all addressbook ids
+$dbid=array();
+$sql_result = $db->query('SELECT id FROM ' .
+           $db->table_name('carddav_addressbooks') .
+           ' WHERE active=1');
+if ($db->is_error()) {
+  _die("DB error occurred: " . $db->is_error());
+}
+   
+while ($row = $db->fetch_assoc($sql_result)) {
+  array_push($dbid, intval($row['id']));
+  print "carddav_addressbooks id: " . $row['id'] . "\n";
+}
+
+// sync the addressbooks
+// we have to re-instantiate to wipe out the addressbook cache
+// see: carddav::abooksDB
+$c = new carddav(rcube_plugin_api::get_instance());
+$c->init();
+
+foreach($dbid as $id) {
+  // getAddressBook() will force an re-sync
+  $abook = $c->getAddressbook(["id"=>"carddav_$id","writeable"=>false]);
+  print("success\n");
+}
+