Redmine

      # load plugins from bundle installed gems.

      Gem.loaded_specs.each do |gem_name, gem_spec|

        initializer = File.join(gem_spec.full_gem_path, 'init.rb')

        is_redmine_plugin = true # TODO: detect redmine plugin

        if File.file?(initializer) && is_redmine_plugin

          # TODO: Set plugin.directory to gem root.

          require initializer

          # Make pointer to reduce confusing for redmine maintainer

          path = File.join(Redmine::Plugin.directory, gem_name)

          if !File.exists?(path)

            File.open(path, 'w') do |f|

              f.write(<<EOS)

This plugin was installed as gem wrote to Gemfile* instead of putting Redmine's plugin directory.

See #{gem_name} gem installed directory.

EOS

            end

          end

        end

      end

      # Keep current plugin loading method.