Add .luacheckrc and fix warnings.

.luacheckrc

@@ -0,0 +1,7 @@
+
+unused_args = false
+allow_defined_top = true
+
+read_globals = {
+	"minetest",
+}

dbimport.lua

@@ -11,13 +11,13 @@ minetest.register_chatcommand("xban_dbi", {
 	privs = { server=true },
 	func = function(name, params)
 		if params == "--list" then
-			local names = { }
-			for name in pairs(xban.importers) do
-				table.insert(names, name)
+			local importers = { }
+			for importer in pairs(xban.importers) do
+				table.insert(importers, importer)
 			end
 			minetest.chat_send_player(name,
 			  ("[xban] Known importers: %s"):format(
-			  table.concat(names, ", ")))
+			  table.concat(importers, ", ")))
 			return
 		elseif not xban.importers[params] then
 			minetest.chat_send_player(name,

importers/v2.lua

@@ -8,19 +8,19 @@ function xban.importers.v2()
 		local text = f:read("*a")
 		f:close()
 		local db = minetest.deserialize(text)
-		for _, e in ipairs(db) do
-			for name in pairs(e.names) do
+		for _, ent in ipairs(db) do
+			for name in pairs(ent.names) do
 				local entry = xban.find_entry(name, true)
 				if entry.source ~= "xban:importer_v2" then
 					for nm in pairs(e.names) do
 						entry.names[nm] = true
 					end
-					if e.banned then
+					if ent.banned then
 						entry.banned = true
 						entry.reason = e.banned
 						entry.source = "xban:importer_v2"
-						entry.time = e.time
-						entry.expires = e.expires
+						entry.time = ent.time
+						entry.expires = ent.expires
 						table.insert(entry.record, {
 							source = entry.source,
 							reason = entry.reason,

init.lua

@@ -24,9 +24,7 @@ local function make_logger(level)
 end
 
 local ACTION = make_logger("action")
-local INFO = make_logger("info")
 local WARNING = make_logger("warning")
-local ERROR = make_logger("error")
 
 local unit_to_secs = {
 	s = 1, m = 60, h = 3600,
@@ -299,11 +297,11 @@ minetest.register_chatcommand("xban_wl", {
 		local cmd, plname = params:match("%s*(%S+)%s*(%S+)")
 		if cmd == "add" then
 			xban.add_whitelist(plname, name)
-			ACTION("%s adds %s to whitelist", source, plname)
+			ACTION("%s adds %s to whitelist", name, plname)
 			return true, "Added to whitelist: "..plname
 		elseif cmd == "del" then
 			xban.remove_whitelist(plname)
-			ACTION("%s removes %s to whitelist", source, plname)
+			ACTION("%s removes %s to whitelist", name, plname)
 			return true, "Removed from whitelist: "..plname
 		elseif cmd == "get" then
 			local e = xban.get_whitelist(plname)
@@ -361,10 +359,10 @@ local function load_db()
 		WARNING("Unable to load database: %s", "Read failed")
 		return
 	end
-	local t, e = minetest.deserialize(cont)
+	local t, e2 = minetest.deserialize(cont)
 	if not t then
 		WARNING("Unable to load database: %s",
-		  "Deserialization failed: "..(e or "unknown error"))
+		  "Deserialization failed: "..(e2 or "unknown error"))
 		return
 	end
 	db = t