mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
31c94ffeb5
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
712 lines
19 KiB
Ruby
712 lines
19 KiB
Ruby
require 'fileutils'
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require 'tmpdir'
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require 'zlib'
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require 'rubygems'
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require 'rubygems/format'
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begin
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gem 'builder'
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require 'builder/xchar'
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rescue LoadError
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end
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##
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# Top level class for building the gem repository index.
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class Gem::Indexer
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include Gem::UserInteraction
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##
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# Build indexes for RubyGems older than 1.2.0 when true
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attr_accessor :build_legacy
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##
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# Build indexes for RubyGems 1.2.0 and newer when true
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attr_accessor :build_modern
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##
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# Index install location
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attr_reader :dest_directory
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##
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# Specs index install location
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attr_reader :dest_specs_index
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##
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# Latest specs index install location
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attr_reader :dest_latest_specs_index
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##
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# Prerelease specs index install location
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attr_reader :dest_prerelease_specs_index
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##
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# Index build directory
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attr_reader :directory
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##
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# Create an indexer that will index the gems in +directory+.
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def initialize(directory, options = {})
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unless ''.respond_to? :to_xs then
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fail "Gem::Indexer requires that the XML Builder library be installed:" \
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"\n\tgem install builder"
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end
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options = { :build_legacy => true, :build_modern => true }.merge options
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@build_legacy = options[:build_legacy]
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@build_modern = options[:build_modern]
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@rss_title = options[:rss_title]
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@rss_host = options[:rss_host]
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@rss_gems_host = options[:rss_gems_host]
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@dest_directory = directory
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@directory = File.join Dir.tmpdir, "gem_generate_index_#{$$}"
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marshal_name = "Marshal.#{Gem.marshal_version}"
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@master_index = File.join @directory, 'yaml'
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@marshal_index = File.join @directory, marshal_name
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@quick_dir = File.join @directory, 'quick'
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@quick_marshal_dir = File.join @quick_dir, marshal_name
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@quick_index = File.join @quick_dir, 'index'
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@latest_index = File.join @quick_dir, 'latest_index'
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@specs_index = File.join @directory, "specs.#{Gem.marshal_version}"
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@latest_specs_index = File.join @directory,
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"latest_specs.#{Gem.marshal_version}"
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@prerelease_specs_index = File.join(@directory,
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"prerelease_specs.#{Gem.marshal_version}")
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@dest_specs_index = File.join @dest_directory,
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"specs.#{Gem.marshal_version}"
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@dest_latest_specs_index = File.join @dest_directory,
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"latest_specs.#{Gem.marshal_version}"
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@dest_prerelease_specs_index = File.join @dest_directory,
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"prerelease_specs.#{Gem.marshal_version}"
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@rss_index = File.join @directory, 'index.rss'
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@files = []
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end
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##
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# Abbreviate the spec for downloading. Abbreviated specs are only used for
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# searching, downloading and related activities and do not need deployment
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# specific information (e.g. list of files). So we abbreviate the spec,
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# making it much smaller for quicker downloads.
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def abbreviate(spec)
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spec.files = []
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spec.test_files = []
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spec.rdoc_options = []
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spec.extra_rdoc_files = []
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spec.cert_chain = []
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spec
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end
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##
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# Build various indicies
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def build_indicies(index)
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# Marshal gemspecs are used by both modern and legacy RubyGems
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build_marshal_gemspecs index
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build_legacy_indicies index if @build_legacy
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build_modern_indicies index if @build_modern
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build_rss index
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compress_indicies
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end
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##
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# Builds indicies for RubyGems older than 1.2.x
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def build_legacy_indicies(index)
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progress = ui.progress_reporter index.size,
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"Generating YAML quick index gemspecs for #{index.size} gems",
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"Complete"
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Gem.time 'Generated YAML quick index gemspecs' do
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index.each do |original_name, spec|
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spec_file_name = "#{original_name}.gemspec.rz"
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yaml_name = File.join @quick_dir, spec_file_name
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yaml_zipped = Gem.deflate spec.to_yaml
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open yaml_name, 'wb' do |io| io.write yaml_zipped end
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progress.updated original_name
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end
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progress.done
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end
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say "Generating quick index"
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Gem.time 'Generated quick index' do
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open @quick_index, 'wb' do |io|
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io.puts index.sort.map { |_, spec| spec.original_name }
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end
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end
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say "Generating latest index"
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Gem.time 'Generated latest index' do
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open @latest_index, 'wb' do |io|
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io.puts index.latest_specs.sort.map { |spec| spec.original_name }
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end
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end
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# Don't need prerelease legacy index
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say "Generating Marshal master index"
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Gem.time 'Generated Marshal master index' do
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open @marshal_index, 'wb' do |io|
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io.write index.dump
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end
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end
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progress = ui.progress_reporter index.size,
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"Generating YAML master index for #{index.size} gems (this may take a while)",
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"Complete"
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Gem.time 'Generated YAML master index' do
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open @master_index, 'wb' do |io|
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io.puts "--- !ruby/object:#{index.class}"
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io.puts "gems:"
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gems = index.sort_by { |name, gemspec| gemspec.sort_obj }
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gems.each do |original_name, gemspec|
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yaml = gemspec.to_yaml.gsub(/^/, ' ')
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yaml = yaml.sub(/\A ---/, '') # there's a needed extra ' ' here
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io.print " #{original_name}:"
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io.puts yaml
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progress.updated original_name
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end
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end
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progress.done
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end
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@files << @quick_dir
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@files << @master_index
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@files << "#{@master_index}.Z"
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@files << @marshal_index
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@files << "#{@marshal_index}.Z"
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end
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##
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# Builds Marshal quick index gemspecs.
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def build_marshal_gemspecs(index)
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progress = ui.progress_reporter index.size,
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"Generating Marshal quick index gemspecs for #{index.size} gems",
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"Complete"
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files = []
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Gem.time 'Generated Marshal quick index gemspecs' do
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(index.gems.merge(index.prerelease_gems)).each do |original_name, spec|
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spec_file_name = "#{original_name}.gemspec.rz"
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marshal_name = File.join @quick_marshal_dir, spec_file_name
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marshal_zipped = Gem.deflate Marshal.dump(spec)
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open marshal_name, 'wb' do |io| io.write marshal_zipped end
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files << marshal_name
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progress.updated original_name
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end
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progress.done
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end
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@files << @quick_marshal_dir
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files
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end
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##
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# Build a single index for RubyGems 1.2 and newer
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def build_modern_index(index, file, name)
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say "Generating #{name} index"
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Gem.time "Generated #{name} index" do
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open(file, 'wb') do |io|
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specs = index.map do |*spec|
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# We have to splat here because latest_specs is an array,
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# while the others are hashes. See the TODO in source_index.rb
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spec = spec.flatten.last
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platform = spec.original_platform
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# win32-api-1.0.4-x86-mswin32-60
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unless String === platform then
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alert_warning "Skipping invalid platform in gem: #{spec.full_name}"
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next
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end
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platform = Gem::Platform::RUBY if platform.nil? or platform.empty?
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[spec.name, spec.version, platform]
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end
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specs = compact_specs(specs)
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Marshal.dump(specs, io)
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end
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end
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end
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##
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# Builds indicies for RubyGems 1.2 and newer. Handles full, latest, prerelease
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def build_modern_indicies(index)
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build_modern_index(index.sort, @specs_index, 'specs')
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build_modern_index(index.latest_specs.sort,
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@latest_specs_index,
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'latest specs')
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build_modern_index(index.prerelease_specs.sort,
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@prerelease_specs_index,
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'prerelease specs')
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@files += [@specs_index,
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"#{@specs_index}.gz",
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@latest_specs_index,
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"#{@latest_specs_index}.gz",
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@prerelease_specs_index,
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"#{@prerelease_specs_index}.gz"]
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end
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##
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# Builds an RSS feed for past two days gem releases according to the gem's
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# date.
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def build_rss(index)
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if @rss_host.nil? or @rss_gems_host.nil? then
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if Gem.configuration.really_verbose then
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alert_warning "no --rss-host or --rss-gems-host, RSS generation disabled"
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end
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return
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end
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require 'cgi'
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require 'rubygems/text'
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extend Gem::Text
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Gem.time 'Generated rss' do
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open @rss_index, 'wb' do |io|
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rss_host = CGI.escapeHTML @rss_host
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rss_title = CGI.escapeHTML(@rss_title || 'gems')
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io.puts <<-HEADER
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<?xml version="1.0"?>
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<rss version="2.0">
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<channel>
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<title>#{rss_title}</title>
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<link>http://#{rss_host}</link>
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<description>Recently released gems from http://#{rss_host}</description>
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<generator>RubyGems v#{Gem::RubyGemsVersion}</generator>
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<docs>http://cyber.law.harvard.edu/rss/rss.html</docs>
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HEADER
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today = Gem::Specification::TODAY
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yesterday = today - 86400
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index = index.select do |_, spec|
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spec_date = spec.date
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case spec_date
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when Date
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Time.parse(spec_date.to_s) >= yesterday
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when Time
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spec_date >= yesterday
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end
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end
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index = index.select do |_, spec|
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spec_date = spec.date
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case spec_date
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when Date
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Time.parse(spec_date.to_s) <= today
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when Time
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spec_date <= today
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end
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end
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index.sort_by { |_, spec| [-spec.date.to_i, spec] }.each do |_, spec|
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gem_path = CGI.escapeHTML "http://#{@rss_gems_host}/gems/#{spec.full_name}.gem"
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size = File.stat(spec.loaded_from).size rescue next
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description = spec.description || spec.summary || ''
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authors = Array spec.authors
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emails = Array spec.email
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authors = emails.zip(authors).map do |email, author|
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email += " (#{author})" if author and not author.empty?
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end.join ', '
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description = description.split(/\n\n+/).map do |chunk|
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format_text chunk, 78
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end
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description = description.join "\n\n"
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item = ''
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item << <<-ITEM
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<item>
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<title>#{CGI.escapeHTML spec.full_name}</title>
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<description>
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<pre>#{CGI.escapeHTML description.chomp}</pre>
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</description>
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<author>#{CGI.escapeHTML authors}</author>
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<guid>#{CGI.escapeHTML spec.full_name}</guid>
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<enclosure url=\"#{gem_path}\"
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length=\"#{size}\" type=\"application/octet-stream\" />
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<pubDate>#{spec.date.rfc2822}</pubDate>
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ITEM
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item << <<-ITEM if spec.homepage
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<link>#{CGI.escapeHTML spec.homepage}</link>
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ITEM
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item << <<-ITEM
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</item>
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ITEM
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io.puts item
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end
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io.puts <<-FOOTER
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</channel>
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</rss>
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FOOTER
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end
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end
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@files << @rss_index
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end
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##
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# Collect specifications from .gem files from the gem directory.
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def collect_specs(gems = gem_file_list)
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index = Gem::SourceIndex.new
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progress = ui.progress_reporter gems.size,
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"Loading #{gems.size} gems from #{@dest_directory}",
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"Loaded all gems"
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Gem.time 'loaded' do
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gems.each do |gemfile|
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if File.size(gemfile.to_s) == 0 then
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alert_warning "Skipping zero-length gem: #{gemfile}"
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next
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end
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begin
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spec = Gem::Format.from_file_by_path(gemfile).spec
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spec.loaded_from = gemfile
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unless gemfile =~ /\/#{Regexp.escape spec.original_name}.*\.gem\z/i then
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expected_name = spec.full_name
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expected_name << " (#{spec.original_name})" if
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spec.original_name != spec.full_name
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alert_warning "Skipping misnamed gem: #{gemfile} should be named #{expected_name}"
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next
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end
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abbreviate spec
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sanitize spec
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index.add_spec spec, spec.original_name
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progress.updated spec.original_name
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rescue SignalException => e
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alert_error "Received signal, exiting"
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raise
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rescue Exception => e
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alert_error "Unable to process #{gemfile}\n#{e.message} (#{e.class})\n\t#{e.backtrace.join "\n\t"}"
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end
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end
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progress.done
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end
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index
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end
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##
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# Compresses indicies on disk
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#--
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# All future files should be compressed using gzip, not deflate
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def compress_indicies
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say "Compressing indicies"
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Gem.time 'Compressed indicies' do
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if @build_legacy then
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compress @quick_index, 'rz'
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paranoid @quick_index, 'rz'
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compress @latest_index, 'rz'
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paranoid @latest_index, 'rz'
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compress @marshal_index, 'Z'
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paranoid @marshal_index, 'Z'
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compress @master_index, 'Z'
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paranoid @master_index, 'Z'
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end
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if @build_modern then
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gzip @specs_index
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gzip @latest_specs_index
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gzip @prerelease_specs_index
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end
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end
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end
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##
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# Compacts Marshal output for the specs index data source by using identical
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# objects as much as possible.
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def compact_specs(specs)
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names = {}
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versions = {}
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platforms = {}
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specs.map do |(name, version, platform)|
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names[name] = name unless names.include? name
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versions[version] = version unless versions.include? version
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platforms[platform] = platform unless platforms.include? platform
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[names[name], versions[version], platforms[platform]]
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end
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end
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##
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# Compress +filename+ with +extension+.
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def compress(filename, extension)
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data = Gem.read_binary filename
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zipped = Gem.deflate data
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open "#{filename}.#{extension}", 'wb' do |io|
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io.write zipped
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end
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end
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##
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# List of gem file names to index.
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def gem_file_list
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Dir.glob(File.join(@dest_directory, "gems", "*.gem"))
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end
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##
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# Builds and installs indicies.
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def generate_index
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make_temp_directories
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index = collect_specs
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build_indicies index
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install_indicies
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rescue SignalException
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ensure
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FileUtils.rm_rf @directory
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end
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##
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# Zlib::GzipWriter wrapper that gzips +filename+ on disk.
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def gzip(filename)
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Zlib::GzipWriter.open "#{filename}.gz" do |io|
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io.write Gem.read_binary(filename)
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end
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end
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##
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# Install generated indicies into the destination directory.
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def install_indicies
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verbose = Gem.configuration.really_verbose
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say "Moving index into production dir #{@dest_directory}" if verbose
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files = @files.dup
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files.delete @quick_marshal_dir if files.include? @quick_dir
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if files.include? @quick_marshal_dir and
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not files.include? @quick_dir then
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files.delete @quick_marshal_dir
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quick_marshal_dir = @quick_marshal_dir.sub @directory, ''
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dst_name = File.join @dest_directory, quick_marshal_dir
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FileUtils.mkdir_p File.dirname(dst_name), :verbose => verbose
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FileUtils.rm_rf dst_name, :verbose => verbose
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FileUtils.mv @quick_marshal_dir, dst_name, :verbose => verbose,
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:force => true
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end
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files = files.map do |path|
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path.sub @directory, ''
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end
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files.each do |file|
|
|
src_name = File.join @directory, file
|
|
dst_name = File.join @dest_directory, file
|
|
|
|
FileUtils.rm_rf dst_name, :verbose => verbose
|
|
FileUtils.mv src_name, @dest_directory, :verbose => verbose,
|
|
:force => true
|
|
end
|
|
end
|
|
|
|
##
|
|
# Make directories for index generation
|
|
|
|
def make_temp_directories
|
|
FileUtils.rm_rf @directory
|
|
FileUtils.mkdir_p @directory, :mode => 0700
|
|
FileUtils.mkdir_p @quick_marshal_dir
|
|
end
|
|
|
|
##
|
|
# Ensure +path+ and path with +extension+ are identical.
|
|
|
|
def paranoid(path, extension)
|
|
data = Gem.read_binary path
|
|
compressed_data = Gem.read_binary "#{path}.#{extension}"
|
|
|
|
unless data == Gem.inflate(compressed_data) then
|
|
raise "Compressed file #{compressed_path} does not match uncompressed file #{path}"
|
|
end
|
|
end
|
|
|
|
##
|
|
# Sanitize the descriptive fields in the spec. Sometimes non-ASCII
|
|
# characters will garble the site index. Non-ASCII characters will
|
|
# be replaced by their XML entity equivalent.
|
|
|
|
def sanitize(spec)
|
|
spec.summary = sanitize_string(spec.summary)
|
|
spec.description = sanitize_string(spec.description)
|
|
spec.post_install_message = sanitize_string(spec.post_install_message)
|
|
spec.authors = spec.authors.collect { |a| sanitize_string(a) }
|
|
|
|
spec
|
|
end
|
|
|
|
##
|
|
# Sanitize a single string.
|
|
|
|
def sanitize_string(string)
|
|
# HACK the #to_s is in here because RSpec has an Array of Arrays of
|
|
# Strings for authors. Need a way to disallow bad values on gempsec
|
|
# generation. (Probably won't happen.)
|
|
string ? string.to_s.to_xs : string
|
|
end
|
|
|
|
##
|
|
# Perform an in-place update of the repository from newly added gems. Only
|
|
# works for modern indicies, and sets #build_legacy to false when run.
|
|
|
|
def update_index
|
|
@build_legacy = false
|
|
|
|
make_temp_directories
|
|
|
|
specs_mtime = File.stat(@dest_specs_index).mtime
|
|
newest_mtime = Time.at 0
|
|
|
|
updated_gems = gem_file_list.select do |gem|
|
|
gem_mtime = File.stat(gem).mtime
|
|
newest_mtime = gem_mtime if gem_mtime > newest_mtime
|
|
gem_mtime >= specs_mtime
|
|
end
|
|
|
|
if updated_gems.empty? then
|
|
say 'No new gems'
|
|
terminate_interaction 0
|
|
end
|
|
|
|
index = collect_specs updated_gems
|
|
|
|
files = build_marshal_gemspecs index
|
|
|
|
Gem.time 'Updated indexes' do
|
|
update_specs_index index, @dest_specs_index, @specs_index
|
|
update_specs_index index, @dest_latest_specs_index, @latest_specs_index
|
|
update_specs_index(index.prerelease_gems, @dest_prerelease_specs_index,
|
|
@prerelease_specs_index)
|
|
end
|
|
|
|
compress_indicies
|
|
|
|
verbose = Gem.configuration.really_verbose
|
|
|
|
say "Updating production dir #{@dest_directory}" if verbose
|
|
|
|
files << @specs_index
|
|
files << "#{@specs_index}.gz"
|
|
files << @latest_specs_index
|
|
files << "#{@latest_specs_index}.gz"
|
|
files << @prerelease_specs_index
|
|
files << "#{@prerelease_specs_index}.gz"
|
|
|
|
files = files.map do |path|
|
|
path.sub @directory, ''
|
|
end
|
|
|
|
files.each do |file|
|
|
src_name = File.join @directory, file
|
|
dst_name = File.join @dest_directory, File.dirname(file)
|
|
|
|
FileUtils.mv src_name, dst_name, :verbose => verbose,
|
|
:force => true
|
|
|
|
File.utime newest_mtime, newest_mtime, dst_name
|
|
end
|
|
end
|
|
|
|
##
|
|
# Combines specs in +index+ and +source+ then writes out a new copy to
|
|
# +dest+. For a latest index, does not ensure the new file is minimal.
|
|
|
|
def update_specs_index(index, source, dest)
|
|
specs_index = Marshal.load Gem.read_binary(source)
|
|
|
|
index.each do |_, spec|
|
|
platform = spec.original_platform
|
|
platform = Gem::Platform::RUBY if platform.nil? or platform.empty?
|
|
specs_index << [spec.name, spec.version, platform]
|
|
end
|
|
|
|
specs_index = compact_specs specs_index.uniq.sort
|
|
|
|
open dest, 'wb' do |io|
|
|
Marshal.dump specs_index, io
|
|
end
|
|
end
|
|
|
|
end
|
|
|