# File lib/wrongdoc/history.rb, line 15
  def tags
    timefmt = '%Y-%m-%dT%H:%M:%SZ'
    @tags ||= `git tag -l`.split(/\n/).map do |tag|
      next if tag == "v0.0.0"
      if %r{\Av[\d\.]+} =~ tag
        header, subject, body = `git cat-file tag #{tag}`.split(/\n\n/, 3)
        header = header.split(/\n/)
        tagger = header.grep(/\Atagger /).first
        body ||= "initial"
        time = Time.at(tagger.split(/ /)[-2].to_i).utc
        {
          :time => time.strftime(timefmt),
          :ruby_time => time,
          :tagger_name => %r{^tagger ([^<]+)}.match(tagger)[1].strip,
          :tagger_email => %r{<([^>]+)>}.match(tagger)[1].strip,
          :id => `git rev-parse refs/tags/#{tag}`.chomp!,
          :tag => tag,
          :subject => subject,
          :body => (old = old_summaries[tag]) ? "#{old}\n#{body}" : body,
        }
      end
    end.compact.sort { |a,b| b[:time] <=> a[:time] }
  end