module Buildgem
  class PatchVersion < Version
    def new_version
      current_version.gsub(/\d+"/,
                           "#{new_patch_version}\"")
    end

    def new_patch_version
      current_patch_version + 1
    end

    def current_patch_version
      current_version.match(/(\d+)"/) { |m|
        m[0]
      }.to_i
    end
  end
end