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Edit File : indexer.rb \| Size : 10.85 KB
# frozen_string_literal: true require_relative '../rubygems' require_relative 'package' require 'tmpdir' ## # Top level class for building the gem repository index. class Gem::Indexer include Gem::UserInteraction ## # Build indexes for RubyGems 1.2.0 and newer when true attr_accessor :build_modern ## # Index install location attr_reader :dest_directory ## # Specs index install location attr_reader :dest_specs_index ## # Latest specs index install location attr_reader :dest_latest_specs_index ## # Prerelease specs index install location attr_reader :dest_prerelease_specs_index ## # Index build directory attr_reader :directory ## # Create an indexer that will index the gems in +directory+. def initialize(directory, options = {}) require 'fileutils' require 'tmpdir' require 'zlib' options = { :build_modern => true }.merge options @build_modern = options[:build_modern] @dest_directory = directory @directory = Dir.mktmpdir 'gem_generate_index' marshal_name = "Marshal.#{Gem.marshal_version}" @master_index = File.join @directory, 'yaml' @marshal_index = File.join @directory, marshal_name @quick_dir = File.join @directory, 'quick' @quick_marshal_dir = File.join @quick_dir, marshal_name @quick_marshal_dir_base = File.join "quick", marshal_name # FIX: UGH @quick_index = File.join @quick_dir, 'index' @latest_index = File.join @quick_dir, 'latest_index' @specs_index = File.join @directory, "specs.#{Gem.marshal_version}" @latest_specs_index = File.join(@directory, "latest_specs.#{Gem.marshal_version}") @prerelease_specs_index = File.join(@directory, "prerelease_specs.#{Gem.marshal_version}") @dest_specs_index = File.join(@dest_directory, "specs.#{Gem.marshal_version}") @dest_latest_specs_index = File.join(@dest_directory, "latest_specs.#{Gem.marshal_version}") @dest_prerelease_specs_index = File.join(@dest_directory, "prerelease_specs.#{Gem.marshal_version}") @files = [] end ## # Build various indices def build_indices specs = map_gems_to_specs gem_file_list Gem::Specification._resort! specs build_marshal_gemspecs specs build_modern_indices specs if @build_modern compress_indices end ## # Builds Marshal quick index gemspecs. def build_marshal_gemspecs(specs) count = specs.count progress = ui.progress_reporter count, "Generating Marshal quick index gemspecs for #{count} gems", "Complete" files = [] Gem.time 'Generated Marshal quick index gemspecs' do specs.each do \|spec\| next if spec.default_gem? spec_file_name = "#{spec.original_name}.gemspec.rz" marshal_name = File.join @quick_marshal_dir, spec_file_name marshal_zipped = Gem.deflate Marshal.dump(spec) File.open marshal_name, 'wb' do \|io\| io.write marshal_zipped end files << marshal_name progress.updated spec.original_name end progress.done end @files << @quick_marshal_dir files end ## # Build a single index for RubyGems 1.2 and newer def build_modern_index(index, file, name) say "Generating #{name} index" Gem.time "Generated #{name} index" do File.open(file, 'wb') do \|io\| specs = index.map do \|spec\| # We have to splat here because latest_specs is an array, while the # others are hashes. spec = spec.flatten.last platform = spec.original_platform # win32-api-1.0.4-x86-mswin32-60 unless String === platform alert_warning "Skipping invalid platform in gem: #{spec.full_name}" next end platform = Gem::Platform::RUBY if platform.nil? or platform.empty? [spec.name, spec.version, platform] end specs = compact_specs(specs) Marshal.dump(specs, io) end end end ## # Builds indices for RubyGems 1.2 and newer. Handles full, latest, prerelease def build_modern_indices(specs) prerelease, released = specs.partition do \|s\| s.version.prerelease? end latest_specs = Gem::Specification._latest_specs specs build_modern_index(released.sort, @specs_index, 'specs') build_modern_index(latest_specs.sort, @latest_specs_index, 'latest specs') build_modern_index(prerelease.sort, @prerelease_specs_index, 'prerelease specs') @files += [@specs_index, "#{@specs_index}.gz", @latest_specs_index, "#{@latest_specs_index}.gz", @prerelease_specs_index, "#{@prerelease_specs_index}.gz"] end def map_gems_to_specs(gems) gems.map do \|gemfile\| if File.size(gemfile) == 0 alert_warning "Skipping zero-length gem: #{gemfile}" next end begin spec = Gem::Package.new(gemfile).spec spec.loaded_from = gemfile spec.abbreviate spec.sanitize spec rescue SignalException alert_error "Received signal, exiting" raise rescue Exception => e msg = ["Unable to process #{gemfile}", "#{e.message} (#{e.class})", "\t#{e.backtrace.join "\n\t"}"].join("\n") alert_error msg end end.compact end ## # Compresses indices on disk #-- # All future files should be compressed using gzip, not deflate def compress_indices say "Compressing indices" Gem.time 'Compressed indices' do if @build_modern gzip @specs_index gzip @latest_specs_index gzip @prerelease_specs_index end end end ## # Compacts Marshal output for the specs index data source by using identical # objects as much as possible. def compact_specs(specs) names = {} versions = {} platforms = {} specs.map do \|(name, version, platform)\| names[name] = name unless names.include? name versions[version] = version unless versions.include? version platforms[platform] = platform unless platforms.include? platform [names[name], versions[version], platforms[platform]] end end ## # Compress +filename+ with +extension+. def compress(filename, extension) data = Gem.read_binary filename zipped = Gem.deflate data File.open "#{filename}.#{extension}", 'wb' do \|io\| io.write zipped end end ## # List of gem file names to index. def gem_file_list Gem::Util.glob_files_in_dir(".gem", File.join(@dest_directory, "gems")) end ## # Builds and installs indices. def generate_index make_temp_directories build_indices install_indices rescue SignalException ensure FileUtils.rm_rf @directory end ## # Zlib::GzipWriter wrapper that gzips +filename+ on disk. def gzip(filename) Zlib::GzipWriter.open "#{filename}.gz" do \|io\| io.write Gem.read_binary(filename) end end ## # Install generated indices into the destination directory. def install_indices verbose = Gem.configuration.really_verbose say "Moving index into production dir #{@dest_directory}" if verbose files = @files files.delete @quick_marshal_dir if files.include? @quick_dir if files.include? @quick_marshal_dir and not files.include? @quick_dir files.delete @quick_marshal_dir dst_name = File.join(@dest_directory, @quick_marshal_dir_base) FileUtils.mkdir_p File.dirname(dst_name), :verbose => verbose FileUtils.rm_rf dst_name, :verbose => verbose FileUtils.mv(@quick_marshal_dir, dst_name, :verbose => verbose, :force => true) end files = files.map do \|path\| path.sub(/^#{Regexp.escape @directory}\/?/, '') # HACK? end 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::Util.inflate(compressed_data) raise "Compressed file #{compressed_path} does not match uncompressed file #{path}" end end ## # Perform an in-place update of the repository from newly added gems. def update_index 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? say 'No new gems' terminate_interaction 0 end specs = map_gems_to_specs updated_gems prerelease, released = specs.partition {\|s\| s.version.prerelease? } files = build_marshal_gemspecs specs Gem.time 'Updated indexes' do update_specs_index released, @dest_specs_index, @specs_index update_specs_index released, @dest_latest_specs_index, @latest_specs_index update_specs_index(prerelease, @dest_prerelease_specs_index, @prerelease_specs_index) end compress_indices 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(/^#{Regexp.escape @directory}\/?/, '') # HACK? end files.each do \|file\| src_name = File.join @directory, file dst_name = File.join @dest_directory, file # REFACTOR: duped above 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 File.open dest, 'wb' do \|io\| Marshal.dump specs_index, io end end end Back

Edit File : indexer.rb | Size : 10.85 KB

# frozen_string_literal: true
require_relative '../rubygems'
require_relative 'package'
require 'tmpdir'

##
# Top level class for building the gem repository index.

class Gem::Indexer
  include Gem::UserInteraction

##
  # Build indexes for RubyGems 1.2.0 and newer when true

attr_accessor :build_modern

##
  # Index install location

attr_reader :dest_directory

##
  # Specs index install location

attr_reader :dest_specs_index

##
  # Latest specs index install location

attr_reader :dest_latest_specs_index

##
  # Prerelease specs index install location

attr_reader :dest_prerelease_specs_index

##
  # Index build directory

attr_reader :directory

##
  # Create an indexer that will index the gems in +directory+.

def initialize(directory, options = {})
    require 'fileutils'
    require 'tmpdir'
    require 'zlib'

options = { :build_modern => true }.merge options

@build_modern = options[:build_modern]

@dest_directory = directory
    @directory = Dir.mktmpdir 'gem_generate_index'

marshal_name = "Marshal.#{Gem.marshal_version}"

@master_index = File.join @directory, 'yaml'
    @marshal_index = File.join @directory, marshal_name

@quick_dir = File.join @directory, 'quick'
    @quick_marshal_dir = File.join @quick_dir, marshal_name
    @quick_marshal_dir_base = File.join "quick", marshal_name # FIX: UGH

@quick_index = File.join @quick_dir, 'index'
    @latest_index = File.join @quick_dir, 'latest_index'

@specs_index = File.join @directory, "specs.#{Gem.marshal_version}"
    @latest_specs_index =
      File.join(@directory, "latest_specs.#{Gem.marshal_version}")
    @prerelease_specs_index =
      File.join(@directory, "prerelease_specs.#{Gem.marshal_version}")
    @dest_specs_index =
      File.join(@dest_directory, "specs.#{Gem.marshal_version}")
    @dest_latest_specs_index =
      File.join(@dest_directory, "latest_specs.#{Gem.marshal_version}")
    @dest_prerelease_specs_index =
      File.join(@dest_directory, "prerelease_specs.#{Gem.marshal_version}")

@files = []
  end

##
  # Build various indices

def build_indices
    specs = map_gems_to_specs gem_file_list
    Gem::Specification._resort! specs
    build_marshal_gemspecs specs
    build_modern_indices specs if @build_modern

compress_indices
  end

##
  # Builds Marshal quick index gemspecs.

def build_marshal_gemspecs(specs)
    count = specs.count
    progress = ui.progress_reporter count,
                                    "Generating Marshal quick index gemspecs for #{count} gems",
                                    "Complete"

files = []

Gem.time 'Generated Marshal quick index gemspecs' do
      specs.each do |spec|
        next if spec.default_gem?
        spec_file_name = "#{spec.original_name}.gemspec.rz"
        marshal_name = File.join @quick_marshal_dir, spec_file_name

marshal_zipped = Gem.deflate Marshal.dump(spec)

File.open marshal_name, 'wb' do |io|
          io.write marshal_zipped
        end

files << marshal_name

progress.updated spec.original_name
      end

progress.done
    end

@files << @quick_marshal_dir

files
  end

##
  # Build a single index for RubyGems 1.2 and newer

def build_modern_index(index, file, name)
    say "Generating #{name} index"

Gem.time "Generated #{name} index" do
      File.open(file, 'wb') do |io|
        specs = index.map do |*spec|
          # We have to splat here because latest_specs is an array, while the
          # others are hashes.
          spec = spec.flatten.last
          platform = spec.original_platform

# win32-api-1.0.4-x86-mswin32-60
          unless String === platform
            alert_warning "Skipping invalid platform in gem: #{spec.full_name}"
            next
          end

platform = Gem::Platform::RUBY if platform.nil? or platform.empty?
          [spec.name, spec.version, platform]
        end

specs = compact_specs(specs)
        Marshal.dump(specs, io)
      end
    end
  end

##
  # Builds indices for RubyGems 1.2 and newer. Handles full, latest, prerelease

def build_modern_indices(specs)
    prerelease, released = specs.partition do |s|
      s.version.prerelease?
    end
    latest_specs =
      Gem::Specification._latest_specs specs

build_modern_index(released.sort, @specs_index, 'specs')
    build_modern_index(latest_specs.sort, @latest_specs_index, 'latest specs')
    build_modern_index(prerelease.sort, @prerelease_specs_index,
                       'prerelease specs')

@files += [@specs_index,
               "#{@specs_index}.gz",
               @latest_specs_index,
               "#{@latest_specs_index}.gz",
               @prerelease_specs_index,
               "#{@prerelease_specs_index}.gz"]
  end

def map_gems_to_specs(gems)
    gems.map do |gemfile|
      if File.size(gemfile) == 0
        alert_warning "Skipping zero-length gem: #{gemfile}"
        next
      end

begin
        spec = Gem::Package.new(gemfile).spec
        spec.loaded_from = gemfile

spec.abbreviate
        spec.sanitize

spec
      rescue SignalException
        alert_error "Received signal, exiting"
        raise
      rescue Exception => e
        msg = ["Unable to process #{gemfile}",
               "#{e.message} (#{e.class})",
               "\t#{e.backtrace.join "\n\t"}"].join("\n")
        alert_error msg
      end
    end.compact
  end

##
  # Compresses indices on disk
  #--
  # All future files should be compressed using gzip, not deflate

def compress_indices
    say "Compressing indices"

Gem.time 'Compressed indices' do
      if @build_modern
        gzip @specs_index
        gzip @latest_specs_index
        gzip @prerelease_specs_index
      end
    end
  end

##
  # Compacts Marshal output for the specs index data source by using identical
  # objects as much as possible.

def compact_specs(specs)
    names = {}
    versions = {}
    platforms = {}

specs.map do |(name, version, platform)|
      names[name] = name unless names.include? name
      versions[version] = version unless versions.include? version
      platforms[platform] = platform unless platforms.include? platform

[names[name], versions[version], platforms[platform]]
    end
  end

##
  # Compress +filename+ with +extension+.

def compress(filename, extension)
    data = Gem.read_binary filename

zipped = Gem.deflate data

File.open "#{filename}.#{extension}", 'wb' do |io|
      io.write zipped
    end
  end

##
  # List of gem file names to index.

def gem_file_list
    Gem::Util.glob_files_in_dir("*.gem", File.join(@dest_directory, "gems"))
  end

##
  # Builds and installs indices.

def generate_index
    make_temp_directories
    build_indices
    install_indices
  rescue SignalException
  ensure
    FileUtils.rm_rf @directory
  end

##
  # Zlib::GzipWriter wrapper that gzips +filename+ on disk.

def gzip(filename)
    Zlib::GzipWriter.open "#{filename}.gz" do |io|
      io.write Gem.read_binary(filename)
    end
  end

##
  # Install generated indices into the destination directory.

def install_indices
    verbose = Gem.configuration.really_verbose

say "Moving index into production dir #{@dest_directory}" if verbose

files = @files
    files.delete @quick_marshal_dir if files.include? @quick_dir

if files.include? @quick_marshal_dir and not files.include? @quick_dir
      files.delete @quick_marshal_dir

dst_name = File.join(@dest_directory, @quick_marshal_dir_base)

FileUtils.mkdir_p File.dirname(dst_name), :verbose => verbose
      FileUtils.rm_rf dst_name, :verbose => verbose
      FileUtils.mv(@quick_marshal_dir, dst_name,
                   :verbose => verbose, :force => true)
    end

files = files.map do |path|
      path.sub(/^#{Regexp.escape @directory}\/?/, '') # HACK?
    end

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::Util.inflate(compressed_data)
      raise "Compressed file #{compressed_path} does not match uncompressed file #{path}"
    end
  end

##
  # Perform an in-place update of the repository from newly added gems.

def update_index
    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?
      say 'No new gems'
      terminate_interaction 0
    end

specs = map_gems_to_specs updated_gems
    prerelease, released = specs.partition {|s| s.version.prerelease? }

files = build_marshal_gemspecs specs

Gem.time 'Updated indexes' do
      update_specs_index released, @dest_specs_index, @specs_index
      update_specs_index released, @dest_latest_specs_index, @latest_specs_index
      update_specs_index(prerelease,
                         @dest_prerelease_specs_index,
                         @prerelease_specs_index)
    end

compress_indices

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(/^#{Regexp.escape @directory}\/?/, '') # HACK?
    end

files.each do |file|
      src_name = File.join @directory, file
      dst_name = File.join @dest_directory, file # REFACTOR: duped above

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

File.open dest, 'wb' do |io|
      Marshal.dump specs_index, io
    end
  end
end

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