Dependency#to_formula and associated helpers

Library/Homebrew/dependencies.rb

@@ -169,6 +169,14 @@ class Dependency
   def hash
     name.hash
   end
+
+  def to_formula
+    Formula.factory(name)
+  end
+
+  def requested?
+    ARGV.formulae.include?(to_formula) rescue false
+  end
 end
 
 # A base class for non-formula requirements needed by formulae.

Library/Homebrew/formula.rb

@@ -77,10 +77,6 @@ class Formula
     installed_prefix.children.length > 0 rescue false
   end
 
-  def explicitly_requested?
-    ARGV.formulae.include?(self) rescue false
-  end
-
   def linked_keg
     HOMEBREW_REPOSITORY/'Library/LinkedKegs'/@name
   end