From 407a2d55ed050cb6e194aefdc110d0353798fe8c Mon Sep 17 00:00:00 2001
From: Lars Mueller <appgurulars@gmx.de>
Date: Thu, 8 Jul 2021 20:17:20 +0200
Subject: [PATCH] Fix Lua log file reference handling if only :load() and not
 :init() is called

---
 persistence.lua | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/persistence.lua b/persistence.lua
index 0aa3b1a..e5a88c1 100644
--- a/persistence.lua
+++ b/persistence.lua
@@ -44,7 +44,15 @@ function lua_log_file:load()
 	setfenv(read, env)
 	read()
 	env.R = env.R or {{}}
-	self.reference_count = #env.R
+	local reference_count = #env.R
+	for ref in pairs(env.R) do
+		if ref > reference_count then
+			-- Ensure reference count always has the value of the largest reference
+			-- in case of "holes" (nil values) in the reference list
+			reference_count = ref
+		end
+	end
+	self.reference_count = reference_count
 	self.root = env.R[1]
 	set_references(self, {})
 end