From: Štěpán Balážik <stepan.balazik@nic.cz>
Date: Wed, 1 Feb 2017 14:19:56 +0000 (+0100)
Subject: lua sandbox: fix syntactic sugar for `cache` table in order for tab-completion to... 
X-Git-Tag: v1.3.0~23^2~86^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9027b76d031d58f65f4773b2ea3112b16b0a5feb;p=thirdparty%2Fknot-resolver.git

lua sandbox: fix syntactic sugar for `cache` table in order for tab-completion to work properly
---

diff --git a/daemon/lua/sandbox.lua b/daemon/lua/sandbox.lua
index 743dfaa0e..feb57e33d 100644
--- a/daemon/lua/sandbox.lua
+++ b/daemon/lua/sandbox.lua
@@ -114,14 +114,18 @@ setmetatable(cache, {
 		return t.count()
 	end,
 	__index = function (t, k)
-		return rawget(t, k) or (rawget(t, 'current_size') and t.get(k))
+		if type(k) == 'number' then
+			return rawget(t, k) or (rawget(t, 'current_size') and t.get(k))
+		end
 	end,
 	__newindex = function (t,k,v)
 		-- Defaults
-		local storage = rawget(t, 'current_storage')
-		if not storage then storage = 'lmdb://' end
-		local size = rawget(t, 'current_size')
-		if not size then size = 10*MB end
+		if type(k) == number then
+			local storage = rawget(t, 'current_storage')
+			if not storage then storage = 'lmdb://' end
+			local size = rawget(t, 'current_size')
+			if not size then size = 10*MB end
+		end
 		-- Declarative interface for cache
 		if     k == 'size'    then t.open(v, storage)
 		elseif k == 'storage' then t.open(size, v)