From 5d8dfe892a2ea89f706ee140c3bdcfd89fe03fda Mon Sep 17 00:00:00 2001
From: Mitja Felicijan <mitja.felicijan@gmail.com>
Date: Wed, 21 Jan 2026 22:40:55 +0100
Subject: Add Redis source code for testing

---
 examples/redis-unstable/deps/lua/test/readonly.lua | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 examples/redis-unstable/deps/lua/test/readonly.lua

(limited to 'examples/redis-unstable/deps/lua/test/readonly.lua')

diff --git a/examples/redis-unstable/deps/lua/test/readonly.lua b/examples/redis-unstable/deps/lua/test/readonly.lua
new file mode 100644
index 0000000..85c0b4e
--- /dev/null
+++ b/examples/redis-unstable/deps/lua/test/readonly.lua
@@ -0,0 +1,12 @@
+-- make global variables readonly
+
+local f=function (t,i) error("cannot redefine global variable `"..i.."'",2) end
+local g={}
+local G=getfenv()
+setmetatable(g,{__index=G,__newindex=f})
+setfenv(1,g)
+
+-- an example
+rawset(g,"x",3)
+x=2
+y=1	-- cannot redefine `y'
-- 
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