Refactor the blacklists

Also don't abort searches if the query matches a blacklist. Eg.
`brew search vim` should return macvim and the information that vim itself is
not packaged.

1 files changed, 2 insertions, 29 deletions

diff --git a/Library/Homebrew/cmd/create.rb b/Library/Homebrew/cmd/create.rb
index e21c9a524..8f39ce87b 100644
--- a/Library/Homebrew/cmd/create.rb
+++ b/Library/Homebrew/cmd/create.rb
@@ -1,4 +1,5 @@
 require 'formula'
+require 'blacklist'
 
 module Homebrew extend self
   def create
@@ -26,7 +27,7 @@ module Homebrew extend self
 
         unless ARGV.force?
           if msg = blacklisted?(fc.name)
-            raise "#{msg}\n\nIf you really want to make this formula use --force."
+            raise "#{fc.name} is blacklisted for creation.\n#{msg}\nIf you really want to create this formula use --force."
           end
 
           if Formula.aliases.include? fc.name
@@ -49,34 +50,6 @@ module Homebrew extend self
     gots = $stdin.gets.chomp
     if gots.empty? then nil else gots end
   end
-
-  def blacklisted? name
-    case name.downcase
-    when 'vim', 'screen' then <<-EOS.undent
-      #{name} is blacklisted for creation
-      Apple distributes this program with OS X.
-      EOS
-    when 'libarchive', 'libpcap' then <<-EOS.undent
-      #{name} is blacklisted for creation
-      Apple distributes this library with OS X, you can find it in /usr/lib.
-      EOS
-    when 'libxml', 'libxlst', 'freetype', 'libpng' then <<-EOS.undent
-      #{name} is blacklisted for creation
-      Apple distributes this library with OS X, you can find it in /usr/X11/lib.
-      However not all build scripts look here, so you may need to call ENV.x11 or
-      ENV.libxml2 in your formula's install function.
-      EOS
-    when /^rubygems?$/
-      "Sorry RubyGems comes with OS X so we don't package it."
-    when 'wxwidgets' then <<-EOS.undent
-      #{name} is blacklisted for creation
-      An older version of wxWidgets is provided by Apple with OS X, but
-      a formula for wxWidgets 2.8.10 is provided:
-
-      brew install wxmac
-      EOS
-    end
-  end
 end
 
 class FormulaCreator