Class: Tarchiver::Tarballer

Inherits:
Object
  • Object
show all
Defined in:
lib/tarchiver/tarballer.rb

Class Method Summary collapse

Class Method Details

.tar(to_archive, archive_name, relative_to, output_directory = '.', options) ⇒ Object 



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# File 'lib/tarchiver/tarballer.rb', line 4

def self.tar(to_archive, archive_name, relative_to, output_directory='.', options)
  archive_path = ::File.join(output_directory, "#{archive_name}.tar")
  enumerable = relative_to.nil?
  begin
    ::File.open(archive_path, "wb") do |file|
      Gem::Package::TarWriter.new(file) do |tar|
        to_archive.each do |entry|
          if enumerable
            # Enumerable input, determine relative_to on the fly
            relative_to = ::File.directory?(entry) ? ::File.basename(entry) : ::File.basename(::File.dirname(entry))
          end
          next if entry.match(/\.+$/)
          # if archive_name == Tarchiver::Constants::DEFAULT_ARCHIVE_NAME || options[:relative_to_top_dir] == false
          if options[:relative_to_top_dir] == false
            path = entry
          else
            path = entry.match(/#{relative_to}.*/).to_s
            path = path.match(/#{relative_to}\/(.*)$/)[1] if options[:contents_only]
          end
          mode = ::File.stat(entry).mode
          if ::File.directory?(entry)
            tar.mkdir(path, mode)
          else
            tar.add_file(path, mode) do |io|
              # Read file and write in chunks
              ::File.open(entry, 'rb') do |file|
                while buffer = file.read(options[:blocksize])
                  io.write(buffer)
                end
              end
            end
          end
        end
      end
    end
  rescue => error
    puts "Tar could not complete tarring for the following reason:\n#{error.message}" if options[:verbose]
    Tarchiver::Helpers.terminate(error, options)
  end
  archive_path
end