s/require 'brewkit'/require 'formula'/g

brewkit.rb changes ENV destructively, so lets not do that everytime a formula
is required. Now it's possible for other tools to require a formula
description without worrying about side-effects.

Library/Homebrew/brew.h.rb

@@ -30,7 +30,7 @@ def __make url, name
   raise "#{path} already exists" if path.exist?
 
   template=<<-EOS
-            require 'brewkit'
+            require 'formula'
 
             class #{Formula.class_s name} <Formula
               url '#{url}'

Library/Homebrew/brewkit.rb

@@ -21,10 +21,6 @@
 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 #  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
-require 'fileutils'
-require 'formula'
-require 'download_strategy'
-require 'hardware'
 
 # TODO
 # 1. Indeed, there should be an option to build 32 or 64 bit binaries

Library/Homebrew/formula.rb

@@ -21,6 +21,8 @@
 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 #  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
+require 'download_strategy'
+
 class ExecutionError <RuntimeError
   def initialize cmd, args=[]
     super "Failure while executing: #{cmd} #{args*' '}"

Library/Homebrew/install.rb

@@ -1,8 +1,12 @@
 #!/usr/bin/ruby
 require 'global'
-require 'formula'
-require 'keg'
+
 require 'brew.h'
+require 'brewkit'
+require 'fileutils'
+require 'formula'
+require 'hardware'
+require 'keg'
 
 show_summary_heading = false
 

Library/Homebrew/unittest.rb

@@ -365,7 +365,7 @@ class BeerTasting <Test::Unit::TestCase
     path.dirname.mkpath
     File.open(path, 'w') do |f|
       f << %{
-        require 'brewkit'
+        require 'formula'
         class #{classname} < Formula
           @url=''
           def initialize(*args)

bin/brew

@@ -92,8 +92,6 @@ begin
       
       raise "Cannot write to #{HOMEBREW_PREFIX}" unless HOMEBREW_PREFIX.writable?
 
-      require 'brewkit'
-
       if ARGV.interactive? and ARGV.formulae.length > 1
         # the reason for this is interactive mode is a little tricky to do 
         # with more than one formula, AND I can't think of a time where you'd