Apply cyclic dependency hack unconditionally

Library/Homebrew/dependency.rb

@@ -75,6 +75,9 @@ class Dependency
       expanded_deps = []
 
       deps.each do |dep|
+        # FIXME don't hide cyclic dependencies
+        next if dependent.name == dep.name
+
         case action(dependent, dep, &block)
         when :prune
           next
@@ -83,7 +86,6 @@ class Dependency
         when :keep_but_prune_recursive_deps
           expanded_deps << dep
         else
-          next if dependent.to_s == dep.name
           expanded_deps.concat(expand(dep.to_formula, &block))
           expanded_deps << dep
         end

Library/Homebrew/test/test_dependency_expansion.rb

@@ -4,7 +4,7 @@ require 'dependency'
 class DependencyExpansionTests < Test::Unit::TestCase
   def build_dep(name, tags=[], deps=[])
     dep = Dependency.new(name.to_s, tags)
-    dep.stubs(:to_formula).returns(stub(:deps => deps))
+    dep.stubs(:to_formula).returns(stub(:deps => deps, :name => name))
     dep
   end
 
@@ -14,7 +14,7 @@ class DependencyExpansionTests < Test::Unit::TestCase
     @baz = build_dep(:baz)
     @qux = build_dep(:qux)
     @deps = [@foo, @bar, @baz, @qux]
-    @f    = stub(:deps => @deps)
+    @f    = stub(:deps => @deps, :name => "f")
   end
 
   def test_expand_yields_dependent_and_dep_pairs
@@ -43,19 +43,19 @@ class DependencyExpansionTests < Test::Unit::TestCase
   end
 
   def test_expand_preserves_dependency_order
-    @foo.stubs(:to_formula).returns(stub(:deps => [@qux, @baz]))
+    @foo.stubs(:to_formula).returns(stub(:name => "f", :deps => [@qux, @baz]))
     assert_equal [@qux, @baz, @foo, @bar], Dependency.expand(@f)
   end
 
   def test_expand_skips_optionals_by_default
     @foo.expects(:optional?).returns(true)
-    @f = stub(:deps => @deps, :build => stub(:with? => false))
+    @f = stub(:deps => @deps, :build => stub(:with? => false), :name => "f")
     assert_equal [@bar, @baz, @qux], Dependency.expand(@f)
   end
 
   def test_expand_keeps_recommendeds_by_default
     @foo.expects(:recommended?).returns(true)
-    @f = stub(:deps => @deps, :build => stub(:with? => true))
+    @f = stub(:deps => @deps, :build => stub(:with? => true), :name => "f")
     assert_equal @deps, Dependency.expand(@f)
   end
 
@@ -84,7 +84,7 @@ class DependencyExpansionTests < Test::Unit::TestCase
   end
 
   def test_skip_skips_parent_but_yields_children
-    f = stub(:deps => [
+    f = stub(:name => "f", :deps => [
       build_dep(:foo, [], [@bar, @baz]),
       build_dep(:foo, [], [@baz]),
     ])
@@ -97,7 +97,7 @@ class DependencyExpansionTests < Test::Unit::TestCase
   end
 
   def test_keep_dep_but_prune_recursive_deps
-    f = stub(:deps => [
+    f = stub(:name => "f", :deps => [
       build_dep(:foo, [:build], [@bar]),
       build_dep(:baz, [:build]),
     ])