require 'rubygems/command' ## # Installs RubyGems itself. This command is ordinarily only available from a # RubyGems checkout or tarball. class Gem::Commands::SetupCommand < Gem::Command HISTORY_HEADER = /^===\s*[\d.]+\s*\/\s*\d{4}-\d{2}-\d{2}\s*$/ VERSION_MATCHER = /^===\s*([\d.]+)\s*\/\s*\d{4}-\d{2}-\d{2}\s*$/ def initialize require 'tmpdir' super 'setup', 'Install RubyGems', :format_executable => true, :document => %w[ri], :site_or_vendor => 'sitelibdir', :destdir => '', :prefix => '', :previous_version => '' add_option '--previous-version=VERSION', 'Previous version of rubygems', 'Used for changelog processing' do |version, options| options[:previous_version] = version end add_option '--prefix=PREFIX', 'Prefix path for installing RubyGems', 'Will not affect gem repository location' do |prefix, options| options[:prefix] = File.expand_path prefix end add_option '--destdir=DESTDIR', 'Root directory to install RubyGems into', 'Mainly used for packaging RubyGems' do |destdir, options| options[:destdir] = File.expand_path destdir end add_option '--[no-]vendor', 'Install into vendorlibdir not sitelibdir' do |vendor, options| options[:site_or_vendor] = vendor ? 'vendorlibdir' : 'sitelibdir' end add_option '--[no-]format-executable', 'Makes `gem` match ruby', 'If ruby is ruby18, gem will be gem18' do |value, options| options[:format_executable] = value end add_option '--[no-]document [TYPES]', Array, 'Generate documentation for RubyGems.', 'List the documentation types you wish to', 'generate. For example: rdoc,ri' do |value, options| options[:document] = case value when nil then %w[rdoc ri] when false then [] else value end end add_option '--[no-]rdoc', 'Generate RDoc documentation for RubyGems' do |value, options| if value then options[:document] << 'rdoc' else options[:document].delete 'rdoc' end options[:document].uniq! end add_option '--[no-]ri', 'Generate RI documentation for RubyGems' do |value, options| if value then options[:document] << 'ri' else options[:document].delete 'ri' end options[:document].uniq! end @verbose = nil end def check_ruby_version required_version = Gem::Requirement.new '>= 1.8.7' unless required_version.satisfied_by? Gem.ruby_version then alert_error "Expected Ruby version #{required_version}, is #{Gem.ruby_version}" terminate_interaction 1 end end def defaults_str # :nodoc: "--format-executable --document ri" end def description # :nodoc: <<-EOF Installs RubyGems itself. RubyGems installs RDoc for itself in GEM_HOME. By default this is: #{Gem.dir} If you prefer a different directory, set the GEM_HOME environment variable. RubyGems will install the gem command with a name matching ruby's prefix and suffix. If ruby was installed as `ruby18`, gem will be installed as `gem18`. By default, this RubyGems will install gem as: #{Gem.default_exec_format % 'gem'} EOF end def execute @verbose = Gem.configuration.really_verbose install_destdir = options[:destdir] unless install_destdir.empty? then ENV['GEM_HOME'] ||= File.join(install_destdir, Gem.default_dir.gsub(/^[a-zA-Z]:/, '')) end check_ruby_version require 'fileutils' if Gem.configuration.really_verbose then extend FileUtils::Verbose else extend FileUtils end lib_dir, bin_dir = make_destination_dirs install_destdir install_lib lib_dir install_executables bin_dir remove_old_bin_files bin_dir remove_old_lib_files lib_dir say "RubyGems #{Gem::VERSION} installed" uninstall_old_gemcutter documentation_success = install_rdoc say if @verbose then say "-" * 78 say end if options[:previous_version].empty? options[:previous_version] = Gem::VERSION.sub(/[0-9]+$/, '0') end options[:previous_version] = Gem::Version.new(options[:previous_version]) show_release_notes say say "-" * 78 say say "RubyGems installed the following executables:" say @bin_file_names.map { |name| "\t#{name}\n" } say unless @bin_file_names.grep(/#{File::SEPARATOR}gem$/) then say "If `gem` was installed by a previous RubyGems installation, you may need" say "to remove it by hand." say end if documentation_success if options[:document].include? 'rdoc' then say "Rdoc documentation was installed. You may now invoke:" say " gem server" say "and then peruse beautifully formatted documentation for your gems" say "with your web browser." say "If you do not wish to install this documentation in the future, use the" say "--no-document flag, or set it as the default in your ~/.gemrc file. See" say "'gem help env' for details." say end if options[:document].include? 'ri' then say "Ruby Interactive (ri) documentation was installed. ri is kind of like man " say "pages for ruby libraries. You may access it like this:" say " ri Classname" say " ri Classname.class_method" say " ri Classname#instance_method" say "If you do not wish to install this documentation in the future, use the" say "--no-document flag, or set it as the default in your ~/.gemrc file. See" say "'gem help env' for details." say end end end def install_executables(bin_dir) say "Installing gem executable" if @verbose @bin_file_names = [] Dir.chdir 'bin' do bin_files = Dir['*'] bin_files.delete 'update_rubygems' bin_files.each do |bin_file| bin_file_formatted = if options[:format_executable] then Gem.default_exec_format % bin_file else bin_file end dest_file = File.join bin_dir, bin_file_formatted bin_tmp_file = File.join Dir.tmpdir, "#{bin_file}.#{$$}" begin bin = File.readlines bin_file bin[0] = "#!#{Gem.ruby}\n" File.open bin_tmp_file, 'w' do |fp| fp.puts bin.join end install bin_tmp_file, dest_file, :mode => 0755 @bin_file_names << dest_file ensure rm bin_tmp_file end next unless Gem.win_platform? begin bin_cmd_file = File.join Dir.tmpdir, "#{bin_file}.bat" File.open bin_cmd_file, 'w' do |file| file.puts <<-TEXT @ECHO OFF IF NOT "%~f0" == "~f0" GOTO :WinNT @"#{File.basename(Gem.ruby).chomp('"')}" "#{dest_file}" %1 %2 %3 %4 %5 %6 %7 %8 %9 GOTO :EOF :WinNT @"#{File.basename(Gem.ruby).chomp('"')}" "%~dpn0" %* TEXT end install bin_cmd_file, "#{dest_file}.bat", :mode => 0755 ensure rm bin_cmd_file end end end end def install_file file, dest_dir dest_file = File.join dest_dir, file dest_dir = File.dirname dest_file mkdir_p dest_dir unless File.directory? dest_dir install file, dest_file, :mode => 0644 end def install_lib(lib_dir) say "Installing RubyGems" if @verbose lib_files = rb_files_in 'lib' pem_files = pem_files_in 'lib' Dir.chdir 'lib' do lib_files.each do |lib_file| install_file lib_file, lib_dir end pem_files.each do |pem_file| install_file pem_file, lib_dir end end end def install_rdoc gem_doc_dir = File.join Gem.dir, 'doc' rubygems_name = "rubygems-#{Gem::VERSION}" rubygems_doc_dir = File.join gem_doc_dir, rubygems_name begin Gem.ensure_gem_subdirectories Gem.dir rescue SystemCallError # ignore end if File.writable? gem_doc_dir and (not File.exist? rubygems_doc_dir or File.writable? rubygems_doc_dir) then say "Removing old RubyGems RDoc and ri" if @verbose Dir[File.join(Gem.dir, 'doc', 'rubygems-[0-9]*')].each do |dir| rm_rf dir end require 'rubygems/rdoc' fake_spec = Gem::Specification.new 'rubygems', Gem::VERSION def fake_spec.full_gem_path File.expand_path '../../../..', __FILE__ end generate_ri = options[:document].include? 'ri' generate_rdoc = options[:document].include? 'rdoc' rdoc = Gem::RDoc.new fake_spec, generate_rdoc, generate_ri rdoc.generate return true elsif @verbose then say "Skipping RDoc generation, #{gem_doc_dir} not writable" say "Set the GEM_HOME environment variable if you want RDoc generated" end return false end def make_destination_dirs(install_destdir) lib_dir, bin_dir = Gem.default_rubygems_dirs unless lib_dir lib_dir, bin_dir = generate_default_dirs(install_destdir) end mkdir_p lib_dir mkdir_p bin_dir return lib_dir, bin_dir end def generate_default_dirs(install_destdir) prefix = options[:prefix] site_or_vendor = options[:site_or_vendor] if prefix.empty? then lib_dir = RbConfig::CONFIG[site_or_vendor] bin_dir = RbConfig::CONFIG['bindir'] else # Apple installed RubyGems into libdir, and RubyGems <= 1.1.0 gets # confused about installation location, so switch back to # sitelibdir/vendorlibdir. if defined?(APPLE_GEM_HOME) and # just in case Apple and RubyGems don't get this patched up proper. (prefix == RbConfig::CONFIG['libdir'] or # this one is important prefix == File.join(RbConfig::CONFIG['libdir'], 'ruby')) then lib_dir = RbConfig::CONFIG[site_or_vendor] bin_dir = RbConfig::CONFIG['bindir'] else lib_dir = File.join prefix, 'lib' bin_dir = File.join prefix, 'bin' end end unless install_destdir.empty? then lib_dir = File.join install_destdir, lib_dir.gsub(/^[a-zA-Z]:/, '') bin_dir = File.join install_destdir, bin_dir.gsub(/^[a-zA-Z]:/, '') end [lib_dir, bin_dir] end def pem_files_in dir Dir.chdir dir do Dir[File.join('**', '*pem')] end end def rb_files_in dir Dir.chdir dir do Dir[File.join('**', '*rb')] end end def remove_old_bin_files(bin_dir) old_bin_files = { 'gem_mirror' => 'gem mirror', 'gem_server' => 'gem server', 'gemlock' => 'gem lock', 'gemri' => 'ri', 'gemwhich' => 'gem which', 'index_gem_repository.rb' => 'gem generate_index', } old_bin_files.each do |old_bin_file, new_name| old_bin_path = File.join bin_dir, old_bin_file next unless File.exist? old_bin_path deprecation_message = "`#{old_bin_file}` has been deprecated. Use `#{new_name}` instead." File.open old_bin_path, 'w' do |fp| fp.write <<-EOF #!#{Gem.ruby} abort "#{deprecation_message}" EOF end next unless Gem.win_platform? File.open "#{old_bin_path}.bat", 'w' do |fp| fp.puts %{@ECHO.#{deprecation_message}} end end end def remove_old_lib_files lib_dir rubygems_dir = File.join lib_dir, 'rubygems' lib_files = rb_files_in 'lib/rubygems' old_lib_files = rb_files_in rubygems_dir to_remove = old_lib_files - lib_files to_remove.delete_if do |file| file.start_with? 'defaults' end Dir.chdir rubygems_dir do to_remove.each do |file| FileUtils.rm_f file warn "unable to remove old file #{file} please remove it by hand" if File.exist? file end end end def show_release_notes release_notes = File.join Dir.pwd, 'History.txt' release_notes = if File.exist? release_notes then history = File.read release_notes history.force_encoding Encoding::UTF_8 if Object.const_defined? :Encoding history = history.sub(/^# coding:.*?(?=^=)/m, '') text = history.split(HISTORY_HEADER) text.shift # correct an off-by-one generated by split version_lines = history.scan(HISTORY_HEADER) versions = history.scan(VERSION_MATCHER).flatten.map do |x| Gem::Version.new(x) end history_string = "" until versions.length == 0 or versions.shift < options[:previous_version] do history_string += version_lines.shift + text.shift end history_string else "Oh-no! Unable to find release notes!" end say release_notes end def uninstall_old_gemcutter require 'rubygems/uninstaller' ui = Gem::Uninstaller.new('gemcutter', :all => true, :ignore => true, :version => '< 0.4') ui.uninstall rescue Gem::InstallError end end