Module: Datadog::CI::Git::Packfiles

Defined in:
lib/datadog/ci/git/packfiles.rb

Class Method Summary collapse

Class Method Details

.generate(included_commits:, excluded_commits:) ⇒ Object 



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# File 'lib/datadog/ci/git/packfiles.rb', line 12

def self.generate(included_commits:, excluded_commits:)
  # @type var current_process_tmp_folder: String?
  current_process_tmp_folder = nil

  Dir.mktmpdir do |tmpdir|
    prefix = LocalRepository.git_generate_packfiles(
      included_commits: included_commits,
      excluded_commits: excluded_commits,
      path: tmpdir
    )

    if prefix.nil?
      # git pack-files command fails if tmpdir is mounted on
      # a different device from the current process directory
      #
      # @type var current_process_tmp_folder: String
      current_process_tmp_folder = File.join(Dir.pwd, "tmp", "packfiles")
      FileUtils.mkdir_p(current_process_tmp_folder)

      prefix = LocalRepository.git_generate_packfiles(
        included_commits: included_commits,
        excluded_commits: excluded_commits,
        path: current_process_tmp_folder
      )

      if prefix.nil?
        Datadog.logger.debug("Packfiles generation failed twice, aborting")
        break
      end

      tmpdir = current_process_tmp_folder
    end

    packfiles = Dir.entries(tmpdir) - %w[. ..]
    if packfiles.empty?
      Datadog.logger.debug("Empty packfiles list, aborting process")
      break
    end

    packfiles.each do |packfile_name|
      next unless packfile_name.start_with?(prefix)
      next unless packfile_name.end_with?(".pack")

      packfile_path = File.join(tmpdir, packfile_name)

      yield packfile_path
    end
  end
rescue => e
  Datadog.logger.debug("Packfiles could not be generated, error: #{e}")
ensure
  if current_process_tmp_folder && File.exist?(current_process_tmp_folder)
    FileUtils.remove_entry(current_process_tmp_folder)
  end
end