From e26067aae38ec7a98845b31b8324325384532cc0 Mon Sep 17 00:00:00 2001
From: Ismael Luceno <ismael@iodev.co.uk>
Date: Sun, 19 Feb 2023 20:34:53 +0100
Subject: Sanitize LANG environment variable

---
 spellcheck.lua | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/spellcheck.lua b/spellcheck.lua
index 3ff757e..a8dd37d 100644
--- a/spellcheck.lua
+++ b/spellcheck.lua
@@ -1,9 +1,8 @@
 -- Copyright (c) 2017-2019 Florian Fischer. All rights reserved.
 -- Use of this source code is governed by a MIT license found in the LICENSE file.
 local spellcheck = {}
-if os.getenv('LANG') then
-  spellcheck.default_lang = os.getenv('LANG'):sub(0, 5)
-else
+spellcheck.default_lang = (os.getenv('LANG') or ''):gsub('[.].*', '')
+if not spellcheck.default_lang:match('^[a-z][a-z]_[A-Z][A-Z]$') then
   spellcheck.default_lang = 'en_US'
 end
 
-- 
cgit