Add luarocks loader to rc.lua

audiowheel

@@ -1 +0,0 @@
-Subproject commit 3636e4b51cf1ebec8ec25049da3a1058d0b046e8

handy

@@ -1 +0,0 @@
-Subproject commit 6f6d7bfdb37c6dbcd9f97a5c2f4347b8c3b1a65d

rc.lua

@@ -1,3 +1,6 @@
+-- If LuaRocks is installed, make sure that packages installed through it are
+-- found (e.g. lgi). If LuaRocks is not installed, do nothing.
+pcall(require, "luarocks.loader")
 -- libraries {{{
 local awful = require("awful")
               require("awful.autofocus")
@@ -5,6 +8,7 @@ beautiful   = require("beautiful")
 naughty     = require("naughty")
 conf        = require("localconf")
               require("errors")
+gears       = require("gears")
 inspect = require("lib.inspect")
 wibox = require("wibox")
 -- }}}

widgets.lua

@@ -39,7 +39,7 @@ function add_bar(s, position, direction, first, second)
 		position = position,
 		screen = s,
 		opacity = 0.6,
-		width = math.floor(s.dpi / 5)
+		width = math.floor(s.dpi / 5),
 	})
 
 	newbar:setup {