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| Dir : //proc/self/root/opt/alt/ruby21/lib64/ruby/2.1.0/rubygems/indexer.rb |
require 'rubygems'
require 'rubygems/package'
require 'time'
begin
gem 'builder'
require 'builder/xchar'
rescue LoadError
end
##
# 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'
unless defined?(Builder::XChar) then
raise "Gem::Indexer requires that the XML Builder library be installed:" +
"\n\tgem install builder"
end
options = { :build_modern => true }.merge options
@build_modern = options[:build_modern]
@dest_directory = directory
@directory = File.join(Dir.tmpdir, "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
##
# Abbreviate the spec for downloading. Abbreviated specs are only used for
# searching, downloading and related activities and do not need deployment
# specific information (e.g. list of files). So we abbreviate the spec,
# making it much smaller for quicker downloads.
#--
# TODO move to Gem::Specification
def abbreviate(spec)
spec.files = []
spec.test_files = []
spec.rdoc_options = []
spec.extra_rdoc_files = []
spec.cert_chain = []
spec
end
##
# Build various indicies
def build_indicies
Gem::Specification.dirs = []
Gem::Specification.add_specs(*map_gems_to_specs(gem_file_list))
build_marshal_gemspecs
build_modern_indicies if @build_modern
compress_indicies
end
##
# Builds Marshal quick index gemspecs.
def build_marshal_gemspecs
count = Gem::Specification.count { |s| not s.default_gem? }
progress = ui.progress_reporter count,
"Generating Marshal quick index gemspecs for #{count} gems",
"Complete"
files = []
Gem.time 'Generated Marshal quick index gemspecs' do
Gem::Specification.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)
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
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 then
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 indicies for RubyGems 1.2 and newer. Handles full, latest, prerelease
def build_modern_indicies
specs = Gem::Specification.reject { |s| s.default_gem? }
prerelease, released = specs.partition { |s|
s.version.prerelease?
}
latest_specs =
Gem::Specification.latest_specs.reject { |s| s.default_gem? }
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 { |gemfile|
if File.size(gemfile) == 0 then
alert_warning "Skipping zero-length gem: #{gemfile}"
next
end
begin
spec = Gem::Package.new(gemfile).spec
spec.loaded_from = gemfile
# HACK: fuck this shit - borks all tests that use pl1
# if File.basename(gemfile, ".gem") != spec.original_name then
# exp = spec.full_name
# exp << " (#{spec.original_name})" if
# spec.original_name != spec.full_name
# msg = "Skipping misnamed gem: #{gemfile} should be named #{exp}"
# alert_warning msg
# next
# end
abbreviate spec
sanitize spec
spec
rescue SignalException => e
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
}.compact
end
##
# Compresses indicies on disk
#--
# All future files should be compressed using gzip, not deflate
def compress_indicies
say "Compressing indicies"
Gem.time 'Compressed indicies' do
if @build_modern then
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
open "#{filename}.#{extension}", 'wb' do |io|
io.write zipped
end
end
##
# List of gem file names to index.
def gem_file_list
Dir[File.join(@dest_directory, "gems", '*.gem')]
end
##
# Builds and installs indicies.
def generate_index
make_temp_directories
build_indicies
install_indicies
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 indicies into the destination directory.
def install_indicies
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 then
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.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)
return string unless 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 gemspec
# generation. (Probably won't happen.)
string = string.to_s
begin
Builder::XChar.encode string
rescue NameError, NoMethodError
string.to_xs
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? then
say 'No new gems'
terminate_interaction 0
end
specs = map_gems_to_specs updated_gems
prerelease, released = specs.partition { |s| s.version.prerelease? }
Gem::Specification.dirs = []
Gem::Specification.add_specs(*specs)
files = build_marshal_gemspecs
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_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(/^#{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
open dest, 'wb' do |io|
Marshal.dump specs_index, io
end
end
end