Class: Unpacker

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-packer-plugin/utils/unpacker.rb

Constant Summary collapse 

'././@LongLink'

Class Method Summary collapse

Class Method Details

.tar(file, destination) ⇒ Object 



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# File 'lib/vagrant-packer-plugin/utils/unpacker.rb', line 11

def self.tar(file, destination)
  puts "[packer-build] unpacking #{file} to #{destination}"
  Gem::Package::TarReader.new( Zlib::GzipReader.open "#{destination}/#{file}" ) do |tar|
    dest = nil
    tar.each do |entry|
      if entry.full_name == TAR_LONGLINK
        dest = File.join destination, entry.read.strip
        next
      end
      dest ||= File.join destination, entry.full_name
      if entry.directory?
        File.delete dest if File.file? dest
        FileUtils.mkdir_p dest, :mode => entry.header.mode, :verbose => false
      elsif entry.file?
        FileUtils.rm_rf dest if File.directory? dest
        File.open dest, "wb" do |f|
          f.print entry.read
        end
        FileUtils.chmod entry.header.mode, dest, :verbose => false
      elsif entry.header.typeflag == '2' #Symlink!
        File.symlink entry.header.linkname, dest
      end
      dest = nil
    end
  end
end