From c0d41d0400e3724317de80ccfb75e89fd81017a8 Mon Sep 17 00:00:00 2001
From: Hugh Nimmo-Smith <hughns@matrix.org>
Date: Thu, 31 Aug 2023 16:05:21 +0100
Subject: [PATCH] Check for synapse enable_3pid_changes option

---
 tools/syn2mas/src/advisor.mts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/syn2mas/src/advisor.mts b/tools/syn2mas/src/advisor.mts
index 6d885fb6f..d2d24eb7f 100644
--- a/tools/syn2mas/src/advisor.mts
+++ b/tools/syn2mas/src/advisor.mts
@@ -141,4 +141,8 @@ export async function advisor(argv?: string[]): Promise<void> {
   if (synapseRefreshToken > 0) {
     log.info(`Synapse database contains ${synapseRefreshToken} refresh tokens which will be migrated`);
   }
+
+  if (synapseConfig.enable_3pid_changes === true) {
+    warn("Synapse config has enable_3pid_changes enabled which must to be disabled or removed after migration");
+  }
 }