From 313410035da385dccf56036c7be043a1bc4f9cc8 Mon Sep 17 00:00:00 2001
From: Maxim Belkin <maxim.belkin@gmail.com>
Date: Fri, 20 Oct 2017 14:21:21 -0500
Subject: [PATCH] leaves: account for requirements

---
 Library/Homebrew/cmd/leaves.rb | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/Library/Homebrew/cmd/leaves.rb b/Library/Homebrew/cmd/leaves.rb
index 574ceb64ed..ecebedbb35 100644
--- a/Library/Homebrew/cmd/leaves.rb
+++ b/Library/Homebrew/cmd/leaves.rb
@@ -13,16 +13,7 @@ module Homebrew
     deps_of_installed = Set.new
 
     installed.each do |f|
-      deps = []
-
-      f.deps.each do |dep|
-        if dep.optional? || dep.recommended?
-          deps << dep.to_formula.full_name if f.build.with?(dep)
-        else
-          deps << dep.to_formula.full_name
-        end
-      end
-
+      deps = f.runtime_dependencies.map { |d| d.to_formula.full_name }
       deps_of_installed.merge(deps)
     end