From 037f2c36412a5b82d972557fbd4d4566732a1436 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Simon=20D=C3=A9saulniers?= <sim.desaulniers@gmail.com>
Date: Tue, 12 Feb 2019 17:27:39 -0500
Subject: [PATCH] util/menu_iterator: unpack retro compatibility

* Lua 5.2 renamed `unpack` to `table.unpack`.
* Fix: helpers.lua required.
---
 helpers.lua            | 3 ++-
 util/menu_iterator.lua | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/helpers.lua b/helpers.lua
index 4d75f7b..d3fa259 100644
--- a/helpers.lua
+++ b/helpers.lua
@@ -12,7 +12,8 @@ local io         = { lines = io.lines,
                      open  = io.open }
 local pairs      = pairs
 local rawget     = rawget
-local table      = { sort  = table.sort }
+local table      = { sort  = table.sort, unpack = table.unpack }
+local unpack     = unpack or table.unpack -- lua 5.1 retro-compatibility
 
 -- Lain helper functions for internal use
 -- lain.helpers
diff --git a/util/menu_iterator.lua b/util/menu_iterator.lua
index 0ea4e0e..9959b25 100644
--- a/util/menu_iterator.lua
+++ b/util/menu_iterator.lua
@@ -11,12 +11,13 @@
 -- lain.util.menu_iterator
 
 local naughty = require("naughty")
+local helpers = require("lain.helpers")
 local util    = require("lain.util")
 local atable  = require("awful.util").table
 local assert  = assert
 local pairs   = pairs
 local tconcat = table.concat
-local unpack  = unpack
+local unpack = unpack or table.unpack -- lua 5.1 retro-compatibility
 
 local state = { cid = nil }
 
-- 
2.39.2