# File rubygems/commands/pristine_command.rb, line 10 def initialize super 'pristine', 'Restores installed gems to pristine condition from files located in the gem cache', :version => Gem::Requirement.default, :extensions => true, :extensions_set => false, :all => false add_option('--all', 'Restore all installed gems to pristine', 'condition') do |value, options| options[:all] = value end add_option('--skip=gem_name', 'used on --all, skip if name == gem_name') do |value, options| options[:skip] ||= [] options[:skip] << value end add_option('--[no-]extensions', 'Restore gems with extensions', 'in addition to regular gems') do |value, options| options[:extensions_set] = true options[:extensions] = value end add_option('--only-executables', 'Only restore executables') do |value, options| options[:only_executables] = value end add_option('--only-plugins', 'Only restore plugins') do |value, options| options[:only_plugins] = value end add_option('-E', '--[no-]env-shebang', 'Rewrite executables with a shebang', 'of /usr/bin/env') do |value, options| options[:env_shebang] = value end add_option('-n', '--bindir DIR', 'Directory where executables are', 'located') do |value, options| options[:bin_dir] = File.expand_path(value) end add_version_option('restore to', 'pristine condition') end
# File rubygems/commands/pristine_command.rb, line 94 def execute specs = if options[:all] Gem::Specification.map # `--extensions` must be explicitly given to pristine only gems # with extensions. elsif options[:extensions_set] and options[:extensions] and options[:args].empty? Gem::Specification.select do |spec| spec.extensions and not spec.extensions.empty? end else get_all_gem_names.sort.map do |gem_name| Gem::Specification.find_all_by_name(gem_name, options[:version]).reverse end.flatten end specs = specs.select{|spec| RUBY_ENGINE == spec.platform || Gem::Platform.local === spec.platform || spec.platform == Gem::Platform::RUBY } if specs.to_a.empty? raise Gem::Exception, "Failed to find gems #{options[:args]} #{options[:version]}" end say "Restoring gems to pristine condition..." specs.each do |spec| if spec.default_gem? say "Skipped #{spec.full_name}, it is a default gem" next end if options.has_key? :skip if options[:skip].include? spec.name say "Skipped #{spec.full_name}, it was given through options" next end end unless spec.extensions.empty? or options[:extensions] or options[:only_executables] or options[:only_plugins] say "Skipped #{spec.full_name}, it needs to compile an extension" next end gem = spec.cache_file unless File.exist? gem or options[:only_executables] or options[:only_plugins] require 'rubygems/remote_fetcher' say "Cached gem for #{spec.full_name} not found, attempting to fetch..." dep = Gem::Dependency.new spec.name, spec.version found, _ = Gem::SpecFetcher.fetcher.spec_for_dependency dep if found.empty? say "Skipped #{spec.full_name}, it was not found from cache and remote sources" next end spec_candidate, source = found.first Gem::RemoteFetcher.fetcher.download spec_candidate, source.uri.to_s, spec.base_dir end env_shebang = if options.include? :env_shebang options[:env_shebang] else install_defaults = Gem::ConfigFile::PLATFORM_DEFAULTS['install'] install_defaults.to_s['--env-shebang'] end bin_dir = options[:bin_dir] if options[:bin_dir] installer_options = { :wrappers => true, :force => true, :install_dir => spec.base_dir, :env_shebang => env_shebang, :build_args => spec.build_args, :bin_dir => bin_dir, } if options[:only_executables] installer = Gem::Installer.for_spec(spec, installer_options) installer.generate_bin elsif options[:only_plugins] installer = Gem::Installer.for_spec(spec) installer.generate_plugins else installer = Gem::Installer.at(gem, installer_options) installer.install end say "Restored #{spec.full_name}" end end