From c8ae97dde84b8a12cafeff0b73a7def546dce281 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Wed, 26 Jun 2013 12:58:41 -0500
Subject: [PATCH] uses: fail fast if invalid formula names are given

Fixes Homebrew/homebrew#20819.
---
 Library/Homebrew/cmd/uses.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/uses.rb b/Library/Homebrew/cmd/uses.rb
index 6775a55c0c..0ce222101e 100644
--- a/Library/Homebrew/cmd/uses.rb
+++ b/Library/Homebrew/cmd/uses.rb
@@ -9,8 +9,10 @@ module Homebrew extend self
   def uses
     raise FormulaUnspecifiedError if ARGV.named.empty?
 
+    formulae = ARGV.formulae
+
     uses = Formula.select do |f|
-      ARGV.formulae.all? do |ff|
+      formulae.all? do |ff|
         if ARGV.flag? '--recursive'
           f.recursive_dependencies.any? { |dep| dep.name == ff.name }
         else