Rakefile in jekyll_test_plugin-0.0.1 vs Rakefile in jekyll_test_plugin-0.0.2

@@ -1,29 +1,58 @@
 require "bundler/gem_tasks"
+
+namespace :project do
+  require "forwardable"
+
+  module Project
+    class Spec
+      extend Forwardable
+
+      def_delegators :@gemspec, :name, :version
+
+      def initialize(name)
+        gemspec_file = "#{name}.gemspec"
+        @gemspec = Bundler.load_gemspec(gemspec_file)
+      end
+    end
+  end
+
+  spec = Project::Spec.new("jekyll_test_plugin")
+
+  desc "Print basename of built gem."
+  task :gem_name do
+    puts "#{spec.name}-#{spec.version}"
+  end
+
+  desc "Print lib version prefixed with 'v'."
+  task :tag_version do
+    puts "v#{spec.version}"
+  end
+end