prune_vendor.rake

namespace :prune do

  desc "Delete all unnecessary files from vendored Rails"
  task :rails do
    require 'fileutils'
    list = Dir.glob("vendor/rails/*/test")
    FileUtils.rm_rf list, :verbose => true unless list.empty?
  end

  desc "Trim whitespace and full-line comments from all vendored ruby source"
  task :ruby_source do

    patterns = [
        '/^ *#[^\{].*$/g',  # remove lines that are just comments (not #{} interpolation)
        '/^ *$/d',          # remove lines that are all whitespace
        's/^ *\(.*\)$/\1/g' # remove whitespace before content
    ].map {|p| " -e #{p.inspect} "}.join
    
    compress = %Q{sed -i '' #{patterns}}

    require 'fileutils'
    iterate = proc do |directory|
      Dir.glob("#{directory}/*").each do |item|
        if File.directory?(item)
          iterate.call(item)
        elsif item =~ /\.rb$/

          system "#{compress} #{item}"

        end
      end
    end
    iterate.call "vendor"

  end

end