From 9eea35ecd4c52d5589f105d9d0749e79b2fd7139 Mon Sep 17 00:00:00 2001
From: David Eisinger <david.eisinger@gmail.com>
Date: Fri, 2 Feb 2024 14:28:31 -0500
Subject: [PATCH] Require ROOT & KEY env vars

---
 bin/dither/dither.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bin/dither/dither.rb b/bin/dither/dither.rb
index 640f4cb..25de7ff 100644
--- a/bin/dither/dither.rb
+++ b/bin/dither/dither.rb
@@ -3,8 +3,8 @@ require "mini_magick"
 
 MiniMagick.logger.level = Logger::DEBUG
 
-ROOT = ENV["ROOT"]
-KEY = ENV["KEY"]
+ROOT = ENV.fetch("ROOT")
+KEY = ENV.fetch("KEY")
 DITHER = ENV["DITHER"] != "0"
 
 EXTENSION, CONTENT_TYPE = if DITHER