From b56367414b085131710f37b8ca1489dda9cd2603 Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Mon, 17 Feb 2020 11:31:00 -0500
Subject: [PATCH] don't overwrite cached indices when new users join a channel

---
 lib/historyKeeper.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/historyKeeper.js b/lib/historyKeeper.js
index 03f31383b..348e3cc3f 100644
--- a/lib/historyKeeper.js
+++ b/lib/historyKeeper.js
@@ -45,7 +45,7 @@ module.exports.create = function (config, cb) {
             HK.dropChannel(Env, channelName);
         },
         channelOpen: function (Server, channelName, userId) {
-            Env.channel_cache[channelName] = {};
+            Env.channel_cache[channelName] = Env.channel_cache[channelName] || {};
             Server.send(userId, [
                 0,
                 Env.id,