From be4e926b15ec58ff6273e6bf9377cfc8d11e57f9 Mon Sep 17 00:00:00 2001
From: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Date: Wed, 24 Aug 2022 18:18:10 +0800
Subject: [PATCH] Fix `"dependencies"` being `nil`.

---
 Library/Homebrew/formula_auditor.rb | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/Library/Homebrew/formula_auditor.rb b/Library/Homebrew/formula_auditor.rb
index b226eaf598..f394d01dad 100644
--- a/Library/Homebrew/formula_auditor.rb
+++ b/Library/Homebrew/formula_auditor.rb
@@ -888,11 +888,10 @@ module Homebrew
       #   depends_on "gcc"
       # end
       # ```
-      variations_deps = []
-      variations.each_value do |data|
-        variations_deps += data["dependencies"]
-      end
-      variations_deps.uniq!
+      variations_deps = variations.values
+                                  .flat_map { |data| data["dependencies"] }
+                                  .compact
+                                  .uniq
 
       variations_deps.exclude?("gcc")
     end