From 7d894eda1b4aad497f449cfd7454036ec117c112 Mon Sep 17 00:00:00 2001
From: colemanw <coleman@civicrm.org>
Date: Thu, 31 Aug 2023 16:06:11 -0400
Subject: [PATCH] Add pre-upgrade message about the removed TrackingFields.tpl

---
 CRM/Upgrade/Incremental/php/FiveSixtySix.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CRM/Upgrade/Incremental/php/FiveSixtySix.php b/CRM/Upgrade/Incremental/php/FiveSixtySix.php
index 54df02904a..f78f9eb423 100644
--- a/CRM/Upgrade/Incremental/php/FiveSixtySix.php
+++ b/CRM/Upgrade/Incremental/php/FiveSixtySix.php
@@ -21,6 +21,13 @@
  */
 class CRM_Upgrade_Incremental_php_FiveSixtySix extends CRM_Upgrade_Incremental_Base {
 
+  public function setPreUpgradeMessage(&$preUpgradeMessage, $rev, $currentVer = NULL): void {
+    if ($rev === '5.66.alpha1') {
+      $preUpgradeMessage .= '<p>' . ts('If your site uses custom code to inject tracking fields into messages, it may need updating. See <a %1>this issue for details</a>.',
+          [1 => 'href="https://github.com/civicrm/civicrm-core/pull/27233" target="_blank"']) . '</p>';
+    }
+  }
+
   /**
    * Upgrade step; adds tasks including 'runSql'.
    *
-- 
2.25.1