Pass args to create instead of using global args.

Library/Homebrew/dev-cmd/create.rb

@@ -63,7 +63,7 @@ module Homebrew
 
   # Create a formula from a tarball URL
   def create
-    create_args.parse
+    args = create_args.parse
 
     # Ensure that the cache exists so we can fetch the tarball
     HOMEBREW_CACHE.mkpath
@@ -75,7 +75,7 @@ module Homebrew
     license = args.set_license
     tap = args.tap
 
-    fc = FormulaCreator.new
+    fc = FormulaCreator.new(args)
     fc.name = name
     fc.version = version
     fc.license = license

Library/Homebrew/formula_creator.rb

@@ -5,9 +5,13 @@ require "erb"
 
 module Homebrew
   class FormulaCreator
-    attr_reader :url, :sha256, :desc, :homepage
+    attr_reader :args, :url, :sha256, :desc, :homepage
     attr_accessor :name, :version, :tap, :path, :mode, :license
 
+    def initialize(args)
+      @args = args
+    end
+
     def url=(url)
       @url = url
       path = Pathname.new(url)
@@ -41,11 +45,11 @@ module Homebrew
     end
 
     def fetch?
-      !Homebrew.args.no_fetch?
+      !args.no_fetch?
     end
 
     def head?
-      @head || Homebrew.args.HEAD?
+      @head || args.HEAD?
     end
 
     def generate!