module YSI
  class ReleaseArchive < Assertion
    def self.display_name
      "release archive"
    end

    def git_revision
      `git rev-parse HEAD`.chomp
    end

    def filename
      "#{engine.project_name}-#{engine.version}.tar.gz"
    end

    def release_archive
      File.join(engine.data_dir, "release_archives", engine.project_name,
        git_revision, filename)
    end

    def check
      engine.release_archive = release_archive
      if File.exist?(release_archive)
        return filename
      end
      nil
    end

    def assert(executor)
      Dir.mktmpdir do |tmp_dir|
        archive_dir = "#{engine.project_name}-#{engine.version}"
        executor.run_command(["git", "clone", Dir.pwd, File.join(tmp_dir, archive_dir)])
        FileUtils.mkdir_p(File.dirname(release_archive))
        excludes = [".git", ".gitignore", "yes_ship_it.conf"]
        exclude_options = excludes.map { |e| ["--exclude", e] }.flatten
        executor.run_command(["tar", "czf", release_archive] + exclude_options + [archive_dir], working_directory: tmp_dir)
      end
      filename
    end
  end
end