convert everything to metatables and added rules

main/error_handling.lua

@@ -1,24 +1,40 @@
 local naughty = require("naughty")
 
--- Check if awesome encountered an error during startup and fell back to
--- another config (This code will only ever execute for the fallback config)
-if awesome.startup_errors then
-    naughty.notify({ preset = naughty.config.presets.critical,
-                     title = "Oops, there were errors during startup!",
-                     text = awesome.startup_errors })
+local _M = {}
+
+function _M.get()
+	-- Check if awesome encountered an error during startup and fell back to
+	-- another config (This code will only ever execute for the fallback config)
+	if awesome.startup_errors then
+		naughty.notify({
+			preset = naughty.config.presets.critical,
+			title = "Oops, there were errors during startup!",
+			text = awesome.startup_errors,
+		})
+	end
+
+	-- Handle runtime errors after startup
+	do
+		local in_error = false
+		awesome.connect_signal("debug::error", function(err)
+			-- Make sure we don't go into an endless error loop
+			if in_error then
+				return
+			end
+			in_error = true
+
+			naughty.notify({
+				preset = naughty.config.presets.critical,
+				title = "Oops, an error happened!",
+				text = tostring(err),
+			})
+			in_error = false
+		end)
+	end
 end
 
--- Handle runtime errors after startup
-do
-    local in_error = false
-    awesome.connect_signal("debug::error", function (err)
-        -- Make sure we don't go into an endless error loop
-        if in_error then return end
-        in_error = true
-
-        naughty.notify({ preset = naughty.config.presets.critical,
-                         title = "Oops, an error happened!",
-                         text = tostring(err) })
-        in_error = false
-    end)
-end
+return setmetatable({}, {
+	__call = function(_, ...)
+		return _M.get(...)
+	end,
+})