From 7c851faba6d276ef495ccc385589fef3578c5b27 Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Sat, 14 Oct 2017 14:34:37 -0600
Subject: [PATCH] Support set_presence=offline for syncing

Signed-off-by: Travis Ralston <travpc@gmail.com>
---
 src/client.js | 3 +++
 src/sync.js   | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/src/client.js b/src/client.js
index 1da561e75c2..f5c70006e7c 100644
--- a/src/client.js
+++ b/src/client.js
@@ -2983,6 +2983,9 @@ MatrixClient.prototype.getTurnServers = function() {
  *
  * @param {Filter=} opts.filter The filter to apply to /sync calls. This will override
  * the opts.initialSyncLimit, which would normally result in a timeline limit filter.
+ *
+ * @param {Boolean=} opts.disablePresence True to perform syncing without automatically
+ * updating presence.
  */
 MatrixClient.prototype.startClient = function(opts) {
     if (this.clientRunning) {
diff --git a/src/sync.js b/src/sync.js
index cc2d7a5f250..86f3247e3c6 100644
--- a/src/sync.js
+++ b/src/sync.js
@@ -71,6 +71,8 @@ function debuglog(...params) {
  * SAFELY remove events from this room. It may not be safe to remove events if
  * there are other references to the timelines for this room.
  * Default: returns false.
+ * @param {Boolean=} opts.disablePresence True to perform syncing without automatically
+ * updating presence.
  */
 function SyncApi(client, opts) {
     this.client = client;
@@ -543,6 +545,10 @@ SyncApi.prototype._sync = async function(syncOptions) {
         timeout: pollTimeout,
     };
 
+    if (this.opts.disablePresence) {
+        qps.set_presence = "offline";
+    }
+
     if (syncToken) {
         qps.since = syncToken;
     } else {