Module: IPFS::IO::Tar

Defined in:
lib/ipfs-api/io.rb

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.extract(stream, destination) ⇒ Object 



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# File 'lib/ipfs-api/io.rb', line 27

def extract stream, destination
  Gem::Package::TarReader.new(stream) do |tar|
    path = nil
    tar.each do |entry|
      if entry.full_name == '././@LongLink'
        path = File.join(destination, entry.read.strip)
        next
      end
      path ||= File.join(destination, entry.full_name)
      if entry.directory?
        if File.exist?(path) and not File.directory?(path)
          raise IOError.new("Not a directory: #{path}")
        end
        FileUtils.mkdir_p path, :mode => entry.header.mode, :verbose => false
      elsif entry.file?
        if File.exist?(path) and not File.file?(path)
          raise IOError.new("Not a file: #{path}")
        end
        File.open path, "wb" do |fd|
          while (chunk = entry.read(1024))
            fd.write chunk
          end
        end
        FileUtils.chmod entry.header.mode, path, :verbose => false
      end
      path = nil
    end
  end
  true
end