From c99cc13526a8b35f120d70e57e44d2b8dd46d400 Mon Sep 17 00:00:00 2001
From: Oscar Manglaras <57207260+CogentRedTester@users.noreply.github.com>
Date: Tue, 28 Jan 2020 00:37:02 +1030
Subject: options.lua: avoid unnecessary on_update calls

The script was set up to only call on_update when the changelist
was non-empty. However, since the size operator does not operate
on dicts, it always returned 0 (which is truthy), thus on_update
would always be called when the script-opts property changed.
---
 player/lua/options.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/player/lua/options.lua b/player/lua/options.lua
index 31580f8320..c3039196be 100644
--- a/player/lua/options.lua
+++ b/player/lua/options.lua
@@ -152,7 +152,7 @@ local function read_options(options, identifier, on_update)
                 end
             end
             last_opts = new_opts
-            if #changelist then
+            if next(changelist) ~= nil then
                 on_update(changelist)
             end
         end)
-- 
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