# File lib/heroku/api/mock.rb, line 50
      def self.add_mock_release(mock_data, app, release_data)
        env = if get_mock_app(mock_data, app)['stack'] == 'cedar'
          {
            'BUNDLE_WITHOUT'      => 'development:test',
            'DATABASE_URL'        => 'postgres://username:password@ec2-123-123-123-123.compute-1.amazonaws.com/username',
            'LANG'                => 'en_US.UTF-8',
            'RACK_ENV'            => 'production'
          }
        else
          {}
        end
        version = mock_data[:releases][app].map {|release| release['name'][1..-1].to_i}.max || 0
        mock_data[:releases][app] << {
          'addons'      => mock_data[:addons][app].map {|addon| addon['name']},
          'commit'      => nil,
          'created_at'  => timestamp,
          'descr'       => "",
          'env'         => env,
          'name'        => "v#{version + 1}",
          'pstable'     => { 'web' => '' },
          'user'        => 'email@example.com'
        }.merge(release_data)
      end