class Standard::Runners::Genignore

def call(config)
  # Place to temporally store the ignored files.
  temp_file = Tempfile.new("excluded.txt")
  begin
    # Run Rubocop to generate the files with errors into the temp file.
    config.rubocop_options[:formatters] = [["json", temp_file.path]]
    config.rubocop_options[:out] = temp_file.path
    exit_code = Runners::Rubocop.new.call(config)
    result = JSON.parse(temp_file.read)
    ignore = result["files"].select { |file|
      file["offenses"].size > 0
    }.map { |file|
      {
        file["path"] => file["offenses"].map { |o| o["cop_name"] }.uniq
      }
    }
    # Read the files with errors from the temp file.
    yaml_format_errors = {"ignore" => ignore}
    # Regenerate the todo file.
    File.open(".standard_todo.yml", "w") do |file|
      file.puts "# Auto generated files with errors to ignore."
      file.puts "# Remove from this list as you refactor files."
      file.write(yaml_format_errors.to_yaml)
    end
    exit_code
  ensure
    # Clean up temp file.
    temp_file.close
    temp_file.unlink
  end
end