#141 make battery table local to worker

diff --git a/widgets/bat.lua b/widgets/bat.lua
index 626239b14c28d2b32b6f1a9fc29d739e9cff5543..61828ecfe9cb98c164c6526becdd75b4db363cc7 100644 (file)
--- a/widgets/bat.lua
+++ b/widgets/bat.lua
@@ -21,9 +21,9 @@ local setmetatable = setmetatable
 
 -- Battery infos
 -- lain.widgets.bat
-local bat = {}
 
 local function worker(args)
+    local bat = {}
     local args = args or {}
     local timeout = args.timeout or 30
     local battery = args.battery or "BAT0"
@@ -143,7 +143,7 @@ local function worker(args)
 
     newtimer(battery, timeout, update)
 
-    return bat.widget
+    return setmetatable(bat, { __index = bat.widget })
 end
 
-return setmetatable(bat, { __call = function(_, ...) return worker(...) end })
+return setmetatable({}, { __call = function(_, ...) return worker(...) end })