From 7a2dd65869977c9f7f87ec2587faa7acc96fed2b Mon Sep 17 00:00:00 2001
From: Hisham Muhammad <hisham@gobolinux.org>
Date: Wed, 20 Jun 2018 14:23:23 -0300
Subject: fs: nicer error message when cfg is not initialized

---
 src/luarocks/fs.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/luarocks/fs.lua b/src/luarocks/fs.lua
index 999572b8..911ac474 100644
--- a/src/luarocks/fs.lua
+++ b/src/luarocks/fs.lua
@@ -61,6 +61,10 @@ do
          return
       end
 
+      if not cfg.each_platform then
+         error("cfg is not initalized, please run cfg.init() first")
+      end
+
       -- Load platform-specific functions
       local loaded_platform = nil
       for platform in cfg.each_platform() do
-- 
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