trust_anchors nitpicks: silence luacheck warnings

daemon/lua/trust_anchors.lua.in

@@ -545,12 +545,12 @@ local add_file = function (path, unmanaged)
 	trust_anchors.keysets[owner] = keyset
 
 	-- Parse new keys, refresh eventually
-	if keyset_publish(keyset) == 0 then
-		-- TODO: try to rebootstrap if for root?
-	elseif verbose() then
+	if keyset_publish(keyset) ~= 0 and verbose() then
 		log('[ ta ] installed trust anchors for domain ' .. owner_str .. ' are:\n'
 		    .. trust_anchors.summary(owner))
 	end
+	-- TODO: if failed and for root, try to rebootstrap?
+
 	refresh_plan(keyset, 10 * sec, false)
 end
 
@@ -572,7 +572,7 @@ local function ta_str(owner)
 	if #msg > 0 then
 		msg = msg .. 'WARNING! negative trust anchor also has an explicit TA\n'
 	end
-	for idx, ta in ipairs(trust_anchors.keysets[owner]) do
+	for _, ta in ipairs(trust_anchors.keysets[owner]) do
 		msg = msg .. kres.rr2str(ta) .. '\n'
 	end
 	return msg
@@ -622,9 +622,9 @@ trust_anchors = {
 		end
 		trust_anchors.insecure = list
 	end,
-	summary = function (owner)
-		if owner then  -- single domain
-			return ta_str(owner)
+	summary = function (single_owner)
+		if single_owner then  -- single domain
+			return ta_str(single_owner)
 		end
 
 		-- all domains
@@ -632,7 +632,7 @@ trust_anchors = {
 		local ta_count = 0
 		local seen = {}
 		for _, nta_str in pairs(trust_anchors.insecure) do
-			owner = kres.str2dname(nta_str)
+			local owner = kres.str2dname(nta_str)
 			seen[owner] = true
 			msg = msg .. ta_str(owner)
 		end

[Petr Špaček]

+1