From 2946b558101a22dd0770a2548f938ada86475256 Mon Sep 17 00:00:00 2001
From: Adrian Perez de Castro <aperez@igalia.com>
Date: Sun, 5 Feb 2017 14:11:55 +0100
Subject: [PATCH] Make :sync() always add a "since" query parameter if
 available

...which ensures that multiple consecutive requests to /sync paginate
properly.
---
 matrix/client.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/matrix/client.lua b/matrix/client.lua
index 5f10cc3..dcac037 100644
--- a/matrix/client.lua
+++ b/matrix/client.lua
@@ -435,7 +435,9 @@ function Client:_sync(options)
    if not options then
       options = {}
    end
-   options.since = self._sync_next_batch
+   if not options.since then
+      options.since = self._sync_next_batch
+   end
    self._log("sync: Requesting with next_batch = %s", options.since)
 
    local response = self._api:sync(options)