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effdbf5936
this version contains many enhancements see http://git.io/vtNwF * test/rubygems: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
433 lines
11 KiB
Ruby
433 lines
11 KiB
Ruby
require 'rubygems'
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require 'rubygems/package'
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require 'time'
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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 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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require 'fileutils'
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require 'tmpdir'
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require 'zlib'
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unless defined?(Builder::XChar) then
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raise "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_modern => true }.merge options
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@build_modern = options[:build_modern]
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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_marshal_dir_base = File.join "quick", marshal_name # FIX: UGH
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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 =
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File.join(@directory, "latest_specs.#{Gem.marshal_version}")
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@prerelease_specs_index =
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File.join(@directory, "prerelease_specs.#{Gem.marshal_version}")
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@dest_specs_index =
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File.join(@dest_directory, "specs.#{Gem.marshal_version}")
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@dest_latest_specs_index =
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File.join(@dest_directory, "latest_specs.#{Gem.marshal_version}")
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@dest_prerelease_specs_index =
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File.join(@dest_directory, "prerelease_specs.#{Gem.marshal_version}")
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@files = []
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end
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##
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# Build various indices
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def build_indices
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specs = map_gems_to_specs gem_file_list
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Gem::Specification._resort! specs
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build_marshal_gemspecs specs
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build_modern_indices specs if @build_modern
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compress_indices
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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 specs
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count = specs.count
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progress = ui.progress_reporter count,
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"Generating Marshal quick index gemspecs for #{count} 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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specs.each do |spec|
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next if spec.default_gem?
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spec_file_name = "#{spec.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 spec.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, while the
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# others are hashes.
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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 indices for RubyGems 1.2 and newer. Handles full, latest, prerelease
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def build_modern_indices specs
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prerelease, released = specs.partition { |s|
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s.version.prerelease?
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}
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latest_specs =
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Gem::Specification._latest_specs specs
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build_modern_index(released.sort, @specs_index, 'specs')
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build_modern_index(latest_specs.sort, @latest_specs_index, 'latest specs')
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build_modern_index(prerelease.sort, @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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def map_gems_to_specs gems
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gems.map { |gemfile|
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if File.size(gemfile) == 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::Package.new(gemfile).spec
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spec.loaded_from = gemfile
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spec.abbreviate
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spec.sanitize
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spec
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rescue SignalException
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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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msg = ["Unable to process #{gemfile}",
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"#{e.message} (#{e.class})",
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"\t#{e.backtrace.join "\n\t"}"].join("\n")
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alert_error msg
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end
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}.compact
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end
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##
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# Compresses indices 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_indices
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say "Compressing indices"
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Gem.time 'Compressed indices' do
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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[File.join(@dest_directory, "gems", '*.gem')]
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end
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##
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# Builds and installs indices.
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def generate_index
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make_temp_directories
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build_indices
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install_indices
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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 indices into the destination directory.
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def install_indices
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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
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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 not files.include? @quick_dir then
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files.delete @quick_marshal_dir
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dst_name = File.join(@dest_directory, @quick_marshal_dir_base)
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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,
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:verbose => verbose, :force => true)
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end
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files = files.map do |path|
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path.sub(/^#{Regexp.escape @directory}\/?/, '') # HACK?
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end
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files.each do |file|
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src_name = File.join @directory, file
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dst_name = File.join @dest_directory, file
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FileUtils.rm_rf dst_name, :verbose => verbose
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FileUtils.mv(src_name, @dest_directory,
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:verbose => verbose, :force => true)
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end
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end
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##
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# Make directories for index generation
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def make_temp_directories
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FileUtils.rm_rf @directory
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FileUtils.mkdir_p @directory, :mode => 0700
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FileUtils.mkdir_p @quick_marshal_dir
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end
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##
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# Ensure +path+ and path with +extension+ are identical.
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def paranoid(path, extension)
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data = Gem.read_binary path
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compressed_data = Gem.read_binary "#{path}.#{extension}"
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unless data == Gem.inflate(compressed_data) then
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raise "Compressed file #{compressed_path} does not match uncompressed file #{path}"
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end
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end
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##
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# Perform an in-place update of the repository from newly added gems.
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def update_index
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make_temp_directories
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specs_mtime = File.stat(@dest_specs_index).mtime
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newest_mtime = Time.at 0
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updated_gems = gem_file_list.select do |gem|
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gem_mtime = File.stat(gem).mtime
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newest_mtime = gem_mtime if gem_mtime > newest_mtime
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gem_mtime >= specs_mtime
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end
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if updated_gems.empty? then
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say 'No new gems'
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terminate_interaction 0
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end
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specs = map_gems_to_specs updated_gems
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prerelease, released = specs.partition { |s| s.version.prerelease? }
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files = build_marshal_gemspecs specs
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Gem.time 'Updated indexes' do
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update_specs_index released, @dest_specs_index, @specs_index
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update_specs_index released, @dest_latest_specs_index, @latest_specs_index
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update_specs_index(prerelease,
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@dest_prerelease_specs_index,
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@prerelease_specs_index)
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end
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compress_indices
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verbose = Gem.configuration.really_verbose
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say "Updating production dir #{@dest_directory}" if verbose
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files << @specs_index
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files << "#{@specs_index}.gz"
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files << @latest_specs_index
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files << "#{@latest_specs_index}.gz"
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files << @prerelease_specs_index
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files << "#{@prerelease_specs_index}.gz"
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files = files.map do |path|
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path.sub(/^#{Regexp.escape @directory}\/?/, '') # HACK?
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end
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files.each do |file|
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src_name = File.join @directory, file
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dst_name = File.join @dest_directory, file # REFACTOR: duped above
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FileUtils.mv src_name, dst_name, :verbose => verbose,
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:force => true
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File.utime newest_mtime, newest_mtime, dst_name
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end
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end
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##
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# Combines specs in +index+ and +source+ then writes out a new copy to
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# +dest+. For a latest index, does not ensure the new file is minimal.
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def update_specs_index(index, source, dest)
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specs_index = Marshal.load Gem.read_binary(source)
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index.each do |spec|
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platform = spec.original_platform
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platform = Gem::Platform::RUBY if platform.nil? or platform.empty?
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specs_index << [spec.name, spec.version, platform]
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end
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specs_index = compact_specs specs_index.uniq.sort
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open dest, 'wb' do |io|
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Marshal.dump specs_index, io
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end
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end
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end
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