Contents

module Spork::GemHelpers
  extend self

  class GemPath
    attr_reader :name, :version, :path, :version_numbers
    include Comparable
    def initialize(p)
      @path = p
      @name, @version = File.basename(p).scan(/^(.+?)-([^-]+)$/).flatten
      @version_numbers = @version.split(/[^0-9]+/).map(&:to_i)
    end

    def <=>(other)
      raise "Not comparable gem paths ('#{name}' is not '#{other.name}')" unless name == other.name
      @version_numbers <=> other.version_numbers
    end
  end

  def latest_load_paths
    if defined?(Bundler)
      $LOAD_PATH.uniq
    else
      Dir["{#{Gem.paths.path.join(',')}}" + "/gems/*"].inject({}) do |h,f|
        gem_path = GemPath.new(f)
        if h[gem_path.name]
          h[gem_path.name] = gem_path if gem_path > h[gem_path.name]
        else
          h[gem_path.name] = gem_path
        end
        h
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 2 rubygems

Version	Path
panjiva-spork-0.8.6	lib/spork/gem_helpers.rb
panjiva-spork-0.8.5.1	lib/spork/gem_helpers.rb
panjiva-spork-0.8.5	lib/spork/gem_helpers.rb
spork-0.9.0.rc6	lib/spork/gem_helpers.rb