require 'zlib'

class Gem::Package

include Gem::UserInteraction

class Error < Gem::Exception; end

class FormatError < Error

attr_reader :path

def initialize(message, source = nil)

super message

end

end

class PathError < Error

def initialize(destination, destination_dir)

super "installing into parent path %s of %s is not allowed" %

[destination, destination_dir]

end

end

class NonSeekableIO < Error; end

rescue Zlib::GzipFile::Error => e

raise Gem::Package::FormatError.new(e.message, entry.full_name)

end

end

require 'rubygems/package/digest_io'