added private task

lib/flavor_gem/private.rb

@@ -5,7 +5,8 @@ module Generate
     class Private < Thor::Group
       include Thor::Actions
 
-      def fix_rake_bundler_release
+      def fix_rake_bundler_release(file_name = "Rakefile")
+        append_template_to_file file_name, "private.rake"
       end
     end
   end

lib/flavor_gem/template/private.rake

@@ -0,0 +1,7 @@
+module Bundler
+  class GemHelper
+    def rubygem_push(path)
+      puts "We don't push to rubygems, we will do something else"
+    end
+  end
+end

spec/lib/flavor_gem/private_spec.rb

@@ -1,5 +1,14 @@
 require "helper"
 
 RSpec.describe FlavorGem::Generate::Private do
-
+  describe "#fix_rake_bundler_release" do
+    let(:test_file_name) { subject.template_file_name "Rakefile" }
+    after(:example) { restore test_file_name }
+
+    it "installs rake taks to prevent rake release to push rubygems" do
+      backup test_file_name
+      subject.fix_rake_bundler_release test_file_name
+      expect(subject.file_include_template?(test_file_name, "private.rake")).to be true
+    end
+  end
 end