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?;commands	[ DIR ]	drwxr-xr-x
?;core_ext	[ DIR ]	drwxr-xr-x
?;ext	[ DIR ]	drwxr-xr-x
?;package	[ DIR ]	drwxr-xr-x
?;security	[ DIR ]	drwxr-xr-x
?;ssl_certs	[ DIR ]	drwxr-xr-x
available_set.rb	1.56 KB	-rw-r--r--
command.rb	13.43 KB	-rw-r--r--
command_manager.rb	5.27 KB	-rw-r--r--
compatibility.rb	1.58 KB	-rw-r--r--
config_file.rb	11.82 KB	-rw-r--r--
defaults.rb	2.76 KB	-rw-r--r--
dependency.rb	7.74 KB	-rw-r--r--
dependency_installer.rb	12.36 KB	-rw-r--r--
dependency_list.rb	5.53 KB	-rw-r--r--
dependency_resolver.rb	14.97 KB	-rw-r--r--
deprecate.rb	1.73 KB	-rw-r--r--
doctor.rb	2.86 KB	-rw-r--r--
errors.rb	2.14 KB	-rw-r--r--
exceptions.rb	2.7 KB	-rw-r--r--
ext.rb	416 B	-rw-r--r--
gem_runner.rb	1.98 KB	-rw-r--r--
gemcutter_utilities.rb	2.84 KB	-rw-r--r--
indexer.rb	12.89 KB	-rw-r--r--
install_message.rb	281 B	-rw-r--r--
install_update_options.rb	5.09 KB	-rw-r--r--
installer.rb	22.19 KB	-rw-r--r--
installer_test_case.rb	4.28 KB	-rw-r--r--
local_remote_options.rb	3.36 KB	-rw-r--r--
mock_gem_ui.rb	1.35 KB	-rw-r--r--
name_tuple.rb	1.96 KB	-rw-r--r--
package.rb	13.22 KB	-rw-r--r--
package_task.rb	3.77 KB	-rw-r--r--
path_support.rb	1.58 KB	-rw-r--r--
platform.rb	5.63 KB	-rw-r--r--
psych_additions.rb	249 B	-rw-r--r--
psych_tree.rb	763 B	-rw-r--r--
rdoc.rb	7.75 KB	-rw-r--r--
remote_fetcher.rb	15.99 KB	-rw-r--r--
request_set.rb	3.67 KB	-rw-r--r--
requirement.rb	6.02 KB	-rw-r--r--
safe_yaml.rb	1.11 KB	-rw-r--r--
security.rb	20.56 KB	-rw-r--r--
server.rb	21.69 KB	-rw-r--r--
source.rb	3.12 KB	-rw-r--r--
source_list.rb	1.22 KB	-rw-r--r--
source_local.rb	1.88 KB	-rw-r--r--
source_specific_file.rb	552 B	-rw-r--r--
spec_fetcher.rb	5.17 KB	-rw-r--r--
specification.rb	66.9 KB	-rw-r--r--
syck_hack.rb	2.07 KB	-rw-r--r--
test_case.rb	28.09 KB	-rw-r--r--
test_utilities.rb	4.03 KB	-rw-r--r--
text.rb	1.23 KB	-rw-r--r--
uninstaller.rb	8.29 KB	-rw-r--r--
user_interaction.rb	11.44 KB	-rw-r--r--
validator.rb	4.08 KB	-rw-r--r--
version.rb	10.5 KB	-rw-r--r--
version_option.rb	1.59 KB	-rw-r--r--

Code Editor : source.rb

require 'uri'
require 'fileutils'

class Gem::Source
  FILES = {
    :released   => 'specs',
    :latest     => 'latest_specs',
    :prerelease => 'prerelease_specs',
  }

def initialize(uri)
    unless uri.kind_of? URI
      uri = URI.parse(uri.to_s)
    end

@uri = uri
    @api_uri = nil
  end

attr_reader :uri

def api_uri
    require 'rubygems/remote_fetcher'
    @api_uri ||= Gem::RemoteFetcher.fetcher.api_endpoint uri
  end

def <=>(other)
    if !@uri
      return 0 unless other.uri
      return -1
    end

return 1 if !other.uri

@uri.to_s <=> other.uri.to_s
  end

include Comparable

def ==(other)
    case other
    when self.class
      @uri == other.uri
    else
      false
    end
  end

alias_method :eql?, :==

def hash
    @uri.hash
  end

##
  # Returns the local directory to write +uri+ to.

def cache_dir(uri)
    # Correct for windows paths
    escaped_path = uri.path.sub(/^\/([a-z]):\//i, '/\\1-/')
    root = File.join Gem.user_home, '.gem', 'specs'
    File.join root, "#{uri.host}%#{uri.port}", File.dirname(escaped_path)
  end

def update_cache?
    @update_cache ||=
      begin
        File.stat(Gem.user_home).uid == Process.uid
      rescue Errno::ENOENT
        false
      end
  end

def fetch_spec(name)
    fetcher = Gem::RemoteFetcher.fetcher

spec_file_name = name.spec_name

uri = @uri + "#{Gem::MARSHAL_SPEC_DIR}#{spec_file_name}"

cache_dir = cache_dir uri

local_spec = File.join cache_dir, spec_file_name

if File.exist? local_spec then
      spec = Gem.read_binary local_spec
      spec = Marshal.load(spec) rescue nil
      return spec if spec
    end

uri.path << '.rz'

spec = fetcher.fetch_path uri
    spec = Gem.inflate spec

if update_cache? then
      FileUtils.mkdir_p cache_dir

open local_spec, 'wb' do |io|
        io.write spec
      end
    end

# TODO: Investigate setting Gem::Specification#loaded_from to a URI
    Marshal.load spec
  end

##
  # Loads +type+ kind of specs fetching from +@uri+ if the on-disk cache is
  # out of date.
  #
  # +type+ is one of the following:
  #
  # :released   => Return the list of all released specs
  # :latest     => Return the list of only the highest version of each gem
  # :prerelease => Return the list of all prerelease only specs
  #

def load_specs(type)
    file       = FILES[type]
    fetcher    = Gem::RemoteFetcher.fetcher
    file_name  = "#{file}.#{Gem.marshal_version}"
    spec_path  = @uri + "#{file_name}.gz"
    cache_dir  = cache_dir spec_path
    local_file = File.join(cache_dir, file_name)
    retried    = false

FileUtils.mkdir_p cache_dir if update_cache?

spec_dump = fetcher.cache_update_path spec_path, local_file, update_cache?

begin
      Gem::NameTuple.from_list Marshal.load(spec_dump)
    rescue ArgumentError
      if update_cache? && !retried
        FileUtils.rm local_file
        retried = true
        retry
      else
        raise Gem::Exception.new("Invalid spec cache file in #{local_file}")
      end
    end
  end

def download(spec, dir=Dir.pwd)
    fetcher = Gem::RemoteFetcher.fetcher
    fetcher.download spec, @uri.to_s, dir
  end
end

${this.title}

Code Editor : source.rb