Restore documented behavior of `brew uses foo bar`

`brew uses foo bar` is supposed to return the intersection of formulae
that use foo and bar. However, this was broken by changes made to
support requirements that can coerce to regular dependencies.

1 files changed, 6 insertions, 13 deletions

diff --git a/Library/Homebrew/cmd/uses.rb b/Library/Homebrew/cmd/uses.rb
index 23bab2e9f..a6677b363 100644
--- a/Library/Homebrew/cmd/uses.rb
+++ b/Library/Homebrew/cmd/uses.rb
@@ -12,25 +12,18 @@ module Homebrew extend self
     formulae = (ARGV.include? "--installed") ? Formula.installed : Formula
     recursive = ARGV.flag? "--recursive"
 
-    uses = []
-    formulae.each do |f|
+    uses = formulae.select do |f|
       used_formulae.all? do |ff|
         if recursive
-          if f.recursive_dependencies.any? { |dep| dep.name == ff.name }
-            uses << f.to_s
-          elsif f.recursive_requirements.any? { |req| req.name == ff.name }
-            uses << f.to_s
-          end
+          f.recursive_dependencies.any? { |dep| dep.name == ff.name } ||
+            f.recursive_requirements.any? { |req| req.name == ff.name }
         else
-          if f.deps.any? { |dep| dep.name == ff.name }
-            uses << f.to_s
-          elsif f.requirements.any? { |req| req.name == ff.name }
-            uses << f.to_s
-          end
+          f.deps.any? { |dep| dep.name == ff.name } ||
+            f.requirements.any? { |req| req.name == ff.name }
         end
       end
     end
 
-    puts_columns uses
+    puts_columns uses.map(&:name)
   end
 end