sprinkle_jruby_gem.rb

class Sprinkle::Installers::JRubyGem < Sprinkle::Installers::Gem
  protected
  def install_commands
    "jruby -S #{super}"
  end
end

module Sprinkle
  module Verifiers
    # = JRuby Verifiers
    #
    # The verifiers in this module are ruby specific.
    module JRuby
      Sprinkle::Verify.register(Sprinkle::Verifiers::JRuby)
      
      # Checks if ruby can require the <tt>files</tt> given. <tt>rubygems</tt>
      # is always included first.
      def jruby_can_load(*files)
        # Always include rubygems first
        files = files.unshift('rubygems').collect { |x| "require '#{x}'" }
        
        @commands << "jruby -e \"#{files.join(';')}\""
      end
      
      # Checks if a gem exists by calling "sudo gem list" and grepping against it.
      def has_jruby_gem(name, version=nil)
        version = version.nil? ? '' : version.gsub('.', '\.')
        @commands << "sudo jruby -S gem list | grep -e '^#{name} (.*#{version}.*)$'"
      end
    end
  end
end
class Sprinkle::Package::Package
  def jruby_gem(name,options={},&block)
    @recommends << :jruby
    @recommends << :rubygems
    @installers << Sprinkle::Installers::JRubyGem.new(self,name,options,&block)
  end
end