opkg

Commit: 0b0e49e7422f23774eb4380498ff08417179464a
Parent: ae769ec0c06225698574da557232d9ee81473c61
Author: Michael Forney
Date:   Sat, 11 Apr 2026 15:51:27 -0700

Prevent accidental use of undefined globals

Diffstat:
M
setup.lua
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/setup.lua b/setup.lua
@@ -1,5 +1,8 @@
 #!/bin/lua
 
+-- prevent accidental use of undefined globals
+setmetatable(_G, {__index=function(_, var) error('undefined global \''..var..'\'') end})
+
 -- Lua 5.1 compatibility
 do
 	local os_execute = os.execute