Make gem osx only

Rakefile

@@ -14,11 +14,11 @@ require 'rake'
 require 'jeweler'
 Jeweler::Tasks.new do |gem|
   # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
-  gem.name = "wkhtmltopdf-heroku"
-  gem.homepage = "http://github.com/bradphelan/wkhtmltopdf-heroku"
+  gem.name = "wkhtmltopdf-osx"
+  gem.homepage = "http://github.com/bradphelan/wkhtmltopdf-osx"
   gem.license = "MIT"
-  gem.summary = %Q{wkhtmltopdf binaries for OSX(darwin) and heroku}
-  gem.description = %Q{wkhtmltopdf binaries for OSX(darwin) and heroku}
+  gem.summary = %Q{wkhtmltopdf binaries for OSX(darwin)}
+  gem.description = %Q{wkhtmltopdf binaries for OSX(darwin)}
   gem.email = "bradphelan@xtargets.com"
   gem.authors = ["Brad Phelan"]
   # dependencies defined in Gemfile
@@ -47,7 +47,7 @@ Rake::RDocTask.new do |rdoc|
   version = File.exist?('VERSION') ? File.read('VERSION') : ""
 
   rdoc.rdoc_dir = 'rdoc'
-  rdoc.title = "wkhtmltopdf-heroku #{version}"
+  rdoc.title = "wkhtmltopdf-osx #{version}"
   rdoc.rdoc_files.include('README*')
   rdoc.rdoc_files.include('lib/**/*.rb')
 end

bin/wkhtmltopdf

@@ -1,12 +1,10 @@
 #!/usr/bin/ruby
 
 
-if RUBY_PLATFORM =~ /x86_64-linux/
-  executable = 'wkhtmltopdf-linux-amd64'
-elsif RUBY_PLATFORM =~ /darwin/
+if RUBY_PLATFORM =~ /darwin/
   executable = 'wkhtmltopdf-darwin'
 else
-  raise "Invalid platform. Must be running linux amd x64 or intel-based Mac OS."
+  raise "Invalid platform. Must be running OSX(darwin)"
 end
 
 arguments = $*.map { |x| x.include?(' ') ? "'" + x + "'" : x }