# frozen_string_literal: true # -*- coding: utf-8 -*- #-- # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. # All rights reserved. # See LICENSE.txt for permissions. #++ require 'rubygems/deprecate' require 'rubygems/basic_specification' require 'rubygems/stub_specification' require 'rubygems/specification_policy' require 'rubygems/util/list' ## # The Specification class contains the information for a gem. Typically # defined in a .gemspec file or a Rakefile, and looks like this: # # Gem::Specification.new do |s| # s.name = 'example' # s.version = '0.1.0' # s.licenses = ['MIT'] # s.summary = "This is an example!" # s.description = "Much longer explanation of the example!" # s.authors = ["Ruby Coder"] # s.email = 'rubycoder@example.com' # s.files = ["lib/example.rb"] # s.homepage = 'https://rubygems.org/gems/example' # s.metadata = { "source_code_uri" => "https://github.com/example/example" } # end # # Starting in RubyGems 2.0, a Specification can hold arbitrary # metadata. See #metadata for restrictions on the format and size of metadata # items you may add to a specification. class Gem::Specification < Gem::BasicSpecification extend Gem::Deprecate # REFACTOR: Consider breaking out this version stuff into a separate # module. There's enough special stuff around it that it may justify # a separate class. ## # The version number of a specification that does not specify one # (i.e. RubyGems 0.7 or earlier). NONEXISTENT_SPECIFICATION_VERSION = -1 ## # The specification version applied to any new Specification instances # created. This should be bumped whenever something in the spec format # changes. # # Specification Version History: # # spec ruby # ver ver yyyy-mm-dd description # -1 <0.8.0 pre-spec-version-history # 1 0.8.0 2004-08-01 Deprecated "test_suite_file" for "test_files" # "test_file=x" is a shortcut for "test_files=[x]" # 2 0.9.5 2007-10-01 Added "required_rubygems_version" # Now forward-compatible with future versions # 3 1.3.2 2009-01-03 Added Fixnum validation to specification_version # 4 1.9.0 2011-06-07 Added metadata #-- # When updating this number, be sure to also update #to_ruby. # # NOTE RubyGems < 1.2 cannot load specification versions > 2. CURRENT_SPECIFICATION_VERSION = 4 # :nodoc: ## # An informal list of changes to the specification. The highest-valued # key should be equal to the CURRENT_SPECIFICATION_VERSION. SPECIFICATION_VERSION_HISTORY = { # :nodoc: -1 => ['(RubyGems versions up to and including 0.7 did not have versioned specifications)'], 1 => [ 'Deprecated "test_suite_file" in favor of the new, but equivalent, "test_files"', '"test_file=x" is a shortcut for "test_files=[x]"', ], 2 => [ 'Added "required_rubygems_version"', 'Now forward-compatible with future versions', ], 3 => [ 'Added Fixnum validation to the specification_version', ], 4 => [ 'Added sandboxed freeform metadata to the specification version.', ], }.freeze MARSHAL_FIELDS = { # :nodoc: -1 => 16, 1 => 16, 2 => 16, 3 => 17, 4 => 18, }.freeze today = Time.now.utc TODAY = Time.utc(today.year, today.month, today.day) # :nodoc: # rubocop:disable Style/MutableConstant LOAD_CACHE = {} # :nodoc: # rubocop:enable Style/MutableConstant LOAD_CACHE_MUTEX = Mutex.new private_constant :LOAD_CACHE if defined? private_constant VALID_NAME_PATTERN = /\A[a-zA-Z0-9\.\-\_]+\z/.freeze # :nodoc: # :startdoc: ## # List of attribute names: [:name, :version, ...] @@required_attributes = [:rubygems_version, :specification_version, :name, :version, :date, :summary, :require_paths] ## # Map of attribute names to default values. @@default_value = { :authors => [], :autorequire => nil, :bindir => 'bin', :cert_chain => [], :date => nil, :dependencies => [], :description => nil, :email => nil, :executables => [], :extensions => [], :extra_rdoc_files => [], :files => [], :homepage => nil, :licenses => [], :metadata => {}, :name => nil, :platform => Gem::Platform::RUBY, :post_install_message => nil, :rdoc_options => [], :require_paths => ['lib'], :required_ruby_version => Gem::Requirement.default, :required_rubygems_version => Gem::Requirement.default, :requirements => [], :rubygems_version => Gem::VERSION, :signing_key => nil, :specification_version => CURRENT_SPECIFICATION_VERSION, :summary => nil, :test_files => [], :version => nil, }.freeze # rubocop:disable Style/MutableConstant INITIALIZE_CODE_FOR_DEFAULTS = { } # :nodoc: # rubocop:enable Style/MutableConstant @@default_value.each do |k,v| INITIALIZE_CODE_FOR_DEFAULTS[k] = case v when [], {}, true, false, nil, Numeric, Symbol v.inspect when String v.dump when Numeric "default_value(:#{k})" else "default_value(:#{k}).dup" end end @@attributes = @@default_value.keys.sort_by {|s| s.to_s } @@array_attributes = @@default_value.reject {|k,v| v != [] }.keys @@nil_attributes, @@non_nil_attributes = @@default_value.keys.partition do |k| @@default_value[k].nil? end @@stubs_by_name = {} # Sentinel object to represent "not found" stubs NOT_FOUND = Struct.new(:to_spec, :this).new # :nodoc: @@spec_with_requirable_file = {} @@active_stub_with_requirable_file = {} # Tracking removed method calls to warn users during build time. REMOVED_METHODS = [:rubyforge_project=].freeze # :nodoc: def removed_method_calls @removed_method_calls ||= [] end ###################################################################### # :section: Required gemspec attributes ## # This gem's name. # # Usage: # # spec.name = 'rake' attr_accessor :name ## # This gem's version. # # The version string can contain numbers and periods, such as +1.0.0+. # A gem is a 'prerelease' gem if the version has a letter in it, such as # +1.0.0.pre+. # # Usage: # # spec.version = '0.4.1' attr_reader :version ## # A short summary of this gem's description. Displayed in `gem list -d`. # # The #description should be more detailed than the summary. # # Usage: # # spec.summary = "This is a small summary of my gem" attr_reader :summary ## # Files included in this gem. You cannot append to this accessor, you must # assign to it. # # Only add files you can require to this list, not directories, etc. # # Directories are automatically stripped from this list when building a gem, # other non-files cause an error. # # Usage: # # require 'rake' # spec.files = FileList['lib/**/*.rb', # 'bin/*', # '[A-Z]*'].to_a # # # or without Rake... # spec.files = Dir['lib/**/*.rb'] + Dir['bin/*'] # spec.files += Dir['[A-Z]*'] # spec.files.reject! { |fn| fn.include? "CVS" } def files # DO NOT CHANGE TO ||= ! This is not a normal accessor. (yes, it sucks) # DOC: Why isn't it normal? Why does it suck? How can we fix this? @files = [@files, @test_files, add_bindir(@executables), @extra_rdoc_files, @extensions, ].flatten.compact.uniq.sort end ## # A list of authors for this gem. # # Alternatively, a single author can be specified by assigning a string to # `spec.author` # # Usage: # # spec.authors = ['John Jones', 'Mary Smith'] def authors=(value) @authors = Array(value).flatten.grep(String) end ###################################################################### # :section: Recommended gemspec attributes ## # A long description of this gem # # The description should be more detailed than the summary but not # excessively long. A few paragraphs is a recommended length with no # examples or formatting. # # Usage: # # spec.description = <<-EOF # Rake is a Make-like program implemented in Ruby. Tasks and # dependencies are specified in standard Ruby syntax. # EOF attr_reader :description ## # A contact email address (or addresses) for this gem # # Usage: # # spec.email = 'john.jones@example.com' # spec.email = ['jack@example.com', 'jill@example.com'] attr_accessor :email ## # The URL of this gem's home page # # Usage: # # spec.homepage = 'https://github.com/ruby/rake' attr_accessor :homepage ## # The license for this gem. # # The license must be no more than 64 characters. # # This should just be the name of your license. The full text of the license # should be inside of the gem (at the top level) when you build it. # # The simplest way, is to specify the standard SPDX ID # https://spdx.org/licenses/ for the license. # Ideally you should pick one that is OSI (Open Source Initiative) # http://opensource.org/licenses/alphabetical approved. # # The most commonly used OSI approved licenses are MIT and Apache-2.0. # GitHub also provides a license picker at http://choosealicense.com/. # # You should specify a license for your gem so that people know how they are # permitted to use it, and any restrictions you're placing on it. Not # specifying a license means all rights are reserved; others have no rights # to use the code for any purpose. # # You can set multiple licenses with #licenses= # # Usage: # spec.license = 'MIT' def license=(o) self.licenses = [o] end ## # The license(s) for the library. # # Each license must be a short name, no more than 64 characters. # # This should just be the name of your license. The full # text of the license should be inside of the gem when you build it. # # See #license= for more discussion # # Usage: # spec.licenses = ['MIT', 'GPL-2.0'] def licenses=(licenses) @licenses = Array licenses end ## # The metadata holds extra data for this gem that may be useful to other # consumers and is settable by gem authors. # # Metadata items have the following restrictions: # # * The metadata must be a Hash object # * All keys and values must be Strings # * Keys can be a maximum of 128 bytes and values can be a maximum of 1024 # bytes # * All strings must be UTF-8, no binary data is allowed # # You can use metadata to specify links to your gem's homepage, codebase, # documentation, wiki, mailing list, issue tracker and changelog. # # s.metadata = { # "bug_tracker_uri" => "https://example.com/user/bestgemever/issues", # "changelog_uri" => "https://example.com/user/bestgemever/CHANGELOG.md", # "documentation_uri" => "https://www.example.info/gems/bestgemever/0.0.1", # "homepage_uri" => "https://bestgemever.example.io", # "mailing_list_uri" => "https://groups.example.com/bestgemever", # "source_code_uri" => "https://example.com/user/bestgemever", # "wiki_uri" => "https://example.com/user/bestgemever/wiki" # "funding_uri" => "https://example.com/donate" # } # # These links will be used on your gem's page on rubygems.org and must pass # validation against following regex. # # %r{\Ahttps?:\/\/([^\s:@]+:[^\s:@]*@)?[A-Za-z\d\-]+(\.[A-Za-z\d\-]+)+\.?(:\d{1,5})?([\/?]\S*)?\z} attr_accessor :metadata ###################################################################### # :section: Optional gemspec attributes ## # Singular (alternative) writer for #authors # # Usage: # # spec.author = 'John Jones' def author=(o) self.authors = [o] end ## # The path in the gem for executable scripts. Usually 'bin' # # Usage: # # spec.bindir = 'bin' attr_accessor :bindir ## # The certificate chain used to sign this gem. See Gem::Security for # details. attr_accessor :cert_chain ## # A message that gets displayed after the gem is installed. # # Usage: # # spec.post_install_message = "Thanks for installing!" attr_accessor :post_install_message ## # The platform this gem runs on. # # This is usually Gem::Platform::RUBY or Gem::Platform::CURRENT. # # Most gems contain pure Ruby code; they should simply leave the default # value in place. Some gems contain C (or other) code to be compiled into a # Ruby "extension". The gem should leave the default value in place unless # the code will only compile on a certain type of system. Some gems consist # of pre-compiled code ("binary gems"). It's especially important that they # set the platform attribute appropriately. A shortcut is to set the # platform to Gem::Platform::CURRENT, which will cause the gem builder to set # the platform to the appropriate value for the system on which the build is # being performed. # # If this attribute is set to a non-default value, it will be included in # the filename of the gem when it is built such as: # nokogiri-1.6.0-x86-mingw32.gem # # Usage: # # spec.platform = Gem::Platform.local def platform=(platform) if @original_platform.nil? or @original_platform == Gem::Platform::RUBY @original_platform = platform end case platform when Gem::Platform::CURRENT then @new_platform = Gem::Platform.local @original_platform = @new_platform.to_s when Gem::Platform then @new_platform = platform # legacy constants when nil, Gem::Platform::RUBY then @new_platform = Gem::Platform::RUBY when 'mswin32' then # was Gem::Platform::WIN32 @new_platform = Gem::Platform.new 'x86-mswin32' when 'i586-linux' then # was Gem::Platform::LINUX_586 @new_platform = Gem::Platform.new 'x86-linux' when 'powerpc-darwin' then # was Gem::Platform::DARWIN @new_platform = Gem::Platform.new 'ppc-darwin' else @new_platform = Gem::Platform.new platform end @platform = @new_platform.to_s invalidate_memoized_attributes @new_platform end ## # Paths in the gem to add to $LOAD_PATH when this gem is # activated. #-- # See also #require_paths #++ # If you have an extension you do not need to add "ext" to the # require path, the extension build process will copy the extension files # into "lib" for you. # # The default value is "lib" # # Usage: # # # If all library files are in the root directory... # spec.require_paths = ['.'] def require_paths=(val) @require_paths = Array(val) end ## # The version of Ruby required by this gem attr_reader :required_ruby_version ## # The RubyGems version required by this gem attr_reader :required_rubygems_version ## # The version of RubyGems used to create this gem. # # Do not set this, it is set automatically when the gem is packaged. attr_accessor :rubygems_version ## # The key used to sign this gem. See Gem::Security for details. attr_accessor :signing_key ## # Adds a development dependency named +gem+ with +requirements+ to this # gem. # # Usage: # # spec.add_development_dependency 'example', '~> 1.1', '>= 1.1.4' # # Development dependencies aren't installed by default and aren't # activated when a gem is required. def add_development_dependency(gem, *requirements) add_dependency_with_type(gem, :development, requirements) end ## # Adds a runtime dependency named +gem+ with +requirements+ to this gem. # # Usage: # # spec.add_runtime_dependency 'example', '~> 1.1', '>= 1.1.4' def add_runtime_dependency(gem, *requirements) if requirements.uniq.size != requirements.size warn "WARNING: duplicated #{gem} dependency #{requirements}" end add_dependency_with_type(gem, :runtime, requirements) end ## # Executables included in the gem. # # For example, the rake gem has rake as an executable. You don’t specify the # full path (as in bin/rake); all application-style files are expected to be # found in bindir. These files must be executable Ruby files. Files that # use bash or other interpreters will not work. # # Executables included may only be ruby scripts, not scripts for other # languages or compiled binaries. # # Usage: # # spec.executables << 'rake' def executables @executables ||= [] end ## # Extensions to build when installing the gem, specifically the paths to # extconf.rb-style files used to compile extensions. # # These files will be run when the gem is installed, causing the C (or # whatever) code to be compiled on the user’s machine. # # Usage: # # spec.extensions << 'ext/rmagic/extconf.rb' # # See Gem::Ext::Builder for information about writing extensions for gems. def extensions @extensions ||= [] end ## # Extra files to add to RDoc such as README or doc/examples.txt # # When the user elects to generate the RDoc documentation for a gem (typically # at install time), all the library files are sent to RDoc for processing. # This option allows you to have some non-code files included for a more # complete set of documentation. # # Usage: # # spec.extra_rdoc_files = ['README', 'doc/user-guide.txt'] def extra_rdoc_files @extra_rdoc_files ||= [] end ## # The version of RubyGems that installed this gem. Returns # Gem::Version.new(0) for gems installed by versions earlier # than RubyGems 2.2.0. def installed_by_version # :nodoc: @installed_by_version ||= Gem::Version.new(0) end ## # Sets the version of RubyGems that installed this gem. See also # #installed_by_version. def installed_by_version=(version) # :nodoc: @installed_by_version = Gem::Version.new version end ## # Specifies the rdoc options to be used when generating API documentation. # # Usage: # # spec.rdoc_options << '--title' << 'Rake -- Ruby Make' << # '--main' << 'README' << # '--line-numbers' def rdoc_options @rdoc_options ||= [] end ## # The version of Ruby required by this gem. The ruby version can be # specified to the patch-level: # # $ ruby -v -e 'p Gem.ruby_version' # ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-darwin12.4.0] # # # # Prereleases can also be specified. # # Usage: # # # This gem will work with 1.8.6 or greater... # spec.required_ruby_version = '>= 1.8.6' # # # Only with final releases of major version 2 where minor version is at least 3 # spec.required_ruby_version = '~> 2.3' # # # Only prereleases or final releases after 2.6.0.preview2 # spec.required_ruby_version = '> 2.6.0.preview2' def required_ruby_version=(req) @required_ruby_version = Gem::Requirement.create req end ## # The RubyGems version required by this gem def required_rubygems_version=(req) @required_rubygems_version = Gem::Requirement.create req end ## # Lists the external (to RubyGems) requirements that must be met for this gem # to work. It's simply information for the user. # # Usage: # # spec.requirements << 'libmagick, v6.0' # spec.requirements << 'A good graphics card' def requirements @requirements ||= [] end ## # A collection of unit test files. They will be loaded as unit tests when # the user requests a gem to be unit tested. # # Usage: # spec.test_files = Dir.glob('test/tc_*.rb') # spec.test_files = ['tests/test-suite.rb'] def test_files=(files) # :nodoc: @test_files = Array files end ###################################################################### # :section: Specification internals ## # True when this gemspec has been activated. This attribute is not persisted. attr_accessor :activated alias :activated? :activated ## # Autorequire was used by old RubyGems to automatically require a file. # # Deprecated: It is neither supported nor functional. attr_accessor :autorequire # :nodoc: ## # Sets the default executable for this gem. # # Deprecated: You must now specify the executable name to Gem.bin_path. attr_writer :default_executable rubygems_deprecate :default_executable= ## # Allows deinstallation of gems with legacy platforms. attr_writer :original_platform # :nodoc: ## # The Gem::Specification version of this gemspec. # # Do not set this, it is set automatically when the gem is packaged. attr_accessor :specification_version def self._all # :nodoc: unless defined?(@@all) && @@all @@all = stubs.map(&:to_spec) # After a reset, make sure already loaded specs # are still marked as activated. specs = {} Gem.loaded_specs.each_value{|s| specs[s] = true } @@all.each{|s| s.activated = true if specs[s] } end @@all end def self._clear_load_cache # :nodoc: LOAD_CACHE_MUTEX.synchronize do LOAD_CACHE.clear end end def self.each_gemspec(dirs) # :nodoc: dirs.each do |dir| Gem::Util.glob_files_in_dir("*.gemspec", dir).each do |path| yield path.tap(&Gem::UNTAINT) end end end def self.gemspec_stubs_in(dir, pattern) Gem::Util.glob_files_in_dir(pattern, dir).map {|path| yield path }.select(&:valid?) end private_class_method :gemspec_stubs_in def self.installed_stubs(dirs, pattern) map_stubs(dirs, pattern) do |path, base_dir, gems_dir| Gem::StubSpecification.gemspec_stub(path, base_dir, gems_dir) end end private_class_method :installed_stubs def self.map_stubs(dirs, pattern) # :nodoc: dirs.flat_map do |dir| base_dir = File.dirname dir gems_dir = File.join base_dir, "gems" gemspec_stubs_in(dir, pattern) {|path| yield path, base_dir, gems_dir } end end private_class_method :map_stubs def self.each_spec(dirs) # :nodoc: each_gemspec(dirs) do |path| spec = self.load path yield spec if spec end end ## # Returns a Gem::StubSpecification for every installed gem def self.stubs @@stubs ||= begin pattern = "*.gemspec" stubs = installed_stubs(dirs, pattern) + default_stubs(pattern) stubs = stubs.uniq {|stub| stub.full_name } _resort!(stubs) @@stubs_by_name = stubs.select {|s| Gem::Platform.match_spec? s }.group_by(&:name) stubs end end ## # Returns a Gem::StubSpecification for default gems def self.default_stubs(pattern = "*.gemspec") base_dir = Gem.default_dir gems_dir = File.join base_dir, "gems" gemspec_stubs_in(Gem.default_specifications_dir, pattern) do |path| Gem::StubSpecification.default_gemspec_stub(path, base_dir, gems_dir) end end EMPTY = [].freeze # :nodoc: ## # Returns a Gem::StubSpecification for installed gem named +name+ # only returns stubs that match Gem.platforms def self.stubs_for(name) if @@stubs_by_name[name] @@stubs_by_name[name] else pattern = "#{name}-*.gemspec" stubs = installed_stubs(dirs, pattern).select {|s| Gem::Platform.match_spec? s } + default_stubs(pattern) stubs = stubs.uniq {|stub| stub.full_name }.group_by(&:name) stubs.each_value {|v| _resort!(v) } @@stubs_by_name.merge! stubs @@stubs_by_name[name] ||= EMPTY end end def self._resort!(specs) # :nodoc: specs.sort! do |a, b| names = a.name <=> b.name next names if names.nonzero? b.version <=> a.version end end ## # Loads the default specifications. It should be called only once. def self.load_defaults each_spec([Gem.default_specifications_dir]) do |spec| # #load returns nil if the spec is bad, so we just ignore # it at this stage Gem.register_default_spec(spec) end end ## # Returns all specifications. This method is discouraged from use. # You probably want to use one of the Enumerable methods instead. def self.all warn "NOTE: Specification.all called from #{caller.first}" unless Gem::Deprecate.skip _all end ## # Sets the known specs to +specs+. Not guaranteed to work for you in # the future. Use at your own risk. Caveat emptor. Doomy doom doom. # Etc etc. # #-- # Makes +specs+ the known specs # Listen, time is a river # Winter comes, code breaks # # -- wilsonb def self.all=(specs) @@stubs_by_name = specs.group_by(&:name) @@all = @@stubs = specs end ## # Return full names of all specs in sorted order. def self.all_names self._all.map(&:full_name) end ## # Return the list of all array-oriented instance variables. #-- # Not sure why we need to use so much stupid reflection in here... def self.array_attributes @@array_attributes.dup end ## # Return the list of all instance variables. #-- # Not sure why we need to use so much stupid reflection in here... def self.attribute_names @@attributes.dup end ## # Return the directories that Specification uses to find specs. def self.dirs @@dirs ||= Gem.path.collect do |dir| File.join dir.dup.tap(&Gem::UNTAINT), "specifications" end end ## # Set the directories that Specification uses to find specs. Setting # this resets the list of known specs. def self.dirs=(dirs) self.reset @@dirs = Array(dirs).map {|dir| File.join dir, "specifications" } end extend Enumerable ## # Enumerate every known spec. See ::dirs= and ::add_spec to set the list of # specs. def self.each return enum_for(:each) unless block_given? self._all.each do |x| yield x end end ## # Returns every spec that matches +name+ and optional +requirements+. def self.find_all_by_name(name, *requirements) requirements = Gem::Requirement.default if requirements.empty? # TODO: maybe try: find_all { |s| spec === dep } Gem::Dependency.new(name, *requirements).matching_specs end ## # Returns every spec that has the given +full_name+ def self.find_all_by_full_name(full_name) stubs.select {|s| s.full_name == full_name }.map(&:to_spec) end ## # Find the best specification matching a +name+ and +requirements+. Raises # if the dependency doesn't resolve to a valid specification. def self.find_by_name(name, *requirements) requirements = Gem::Requirement.default if requirements.empty? # TODO: maybe try: find { |s| spec === dep } Gem::Dependency.new(name, *requirements).to_spec end ## # Return the best specification that contains the file matching +path+. def self.find_by_path(path) path = path.dup.freeze spec = @@spec_with_requirable_file[path] ||= (stubs.find do |s| next unless Gem::BundlerVersionFinder.compatible?(s) s.contains_requirable_file? path end || NOT_FOUND) spec.to_spec end ## # Return the best specification that contains the file matching +path+ # amongst the specs that are not activated. def self.find_inactive_by_path(path) stub = stubs.find do |s| next if s.activated? next unless Gem::BundlerVersionFinder.compatible?(s) s.contains_requirable_file? path end stub && stub.to_spec end def self.find_active_stub_by_path(path) stub = @@active_stub_with_requirable_file[path] ||= (stubs.find do |s| s.activated? and s.contains_requirable_file? path end || NOT_FOUND) stub.this end ## # Return currently unresolved specs that contain the file matching +path+. def self.find_in_unresolved(path) unresolved_specs.find_all {|spec| spec.contains_requirable_file? path } end ## # Search through all unresolved deps and sub-dependencies and return # specs that contain the file matching +path+. def self.find_in_unresolved_tree(path) unresolved_specs.each do |spec| spec.traverse do |from_spec, dep, to_spec, trail| if to_spec.has_conflicts? || to_spec.conficts_when_loaded_with?(trail) :next else return trail.reverse if to_spec.contains_requirable_file? path end end end [] end def self.unresolved_specs unresolved_deps.values.map {|dep| dep.to_specs }.flatten end private_class_method :unresolved_specs ## # Special loader for YAML files. When a Specification object is loaded # from a YAML file, it bypasses the normal Ruby object initialization # routine (#initialize). This method makes up for that and deals with # gems of different ages. # # +input+ can be anything that YAML.load() accepts: String or IO. def self.from_yaml(input) Gem.load_yaml input = normalize_yaml_input input spec = Gem::SafeYAML.safe_load input if spec && spec.class == FalseClass raise Gem::EndOfYAMLException end unless Gem::Specification === spec raise Gem::Exception, "YAML data doesn't evaluate to gem specification" end spec.specification_version ||= NONEXISTENT_SPECIFICATION_VERSION spec.reset_nil_attributes_to_default spec end ## # Return the latest specs, optionally including prerelease specs if # +prerelease+ is true. def self.latest_specs(prerelease = false) _latest_specs Gem::Specification._all, prerelease end ## # Return the latest installed spec for gem +name+. def self.latest_spec_for(name) latest_specs(true).find {|installed_spec| installed_spec.name == name } end def self._latest_specs(specs, prerelease = false) # :nodoc: result = Hash.new {|h,k| h[k] = {} } native = {} specs.reverse_each do |spec| next if spec.version.prerelease? unless prerelease native[spec.name] = spec.version if spec.platform == Gem::Platform::RUBY result[spec.name][spec.platform] = spec end result.map(&:last).map(&:values).flatten.reject do |spec| minimum = native[spec.name] minimum && spec.version < minimum end.sort_by{|tup| tup.name } end ## # Loads Ruby format gemspec from +file+. def self.load(file) return unless file _spec = LOAD_CACHE_MUTEX.synchronize { LOAD_CACHE[file] } return _spec if _spec file = file.dup.tap(&Gem::UNTAINT) return unless File.file?(file) code = File.read file, :mode => 'r:UTF-8:-' code.tap(&Gem::UNTAINT) begin _spec = eval code, binding, file if Gem::Specification === _spec _spec.loaded_from = File.expand_path file.to_s LOAD_CACHE_MUTEX.synchronize do prev = LOAD_CACHE[file] if prev _spec = prev else LOAD_CACHE[file] = _spec end end return _spec end warn "[#{file}] isn't a Gem::Specification (#{_spec.class} instead)." rescue SignalException, SystemExit raise rescue SyntaxError, Exception => e warn "Invalid gemspec in [#{file}]: #{e}" end nil end ## # Specification attributes that must be non-nil def self.non_nil_attributes @@non_nil_attributes.dup end ## # Make sure the YAML specification is properly formatted with dashes def self.normalize_yaml_input(input) result = input.respond_to?(:read) ? input.read : input result = "--- " + result unless result.start_with?("--- ") result = result.dup result.gsub!(/ !!null \n/, " \n") # date: 2011-04-26 00:00:00.000000000Z # date: 2011-04-26 00:00:00.000000000 Z result.gsub!(/^(date: \d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+?)Z/, '\1 Z') result end ## # Return a list of all outdated local gem names. This method is HEAVY # as it must go fetch specifications from the server. # # Use outdated_and_latest_version if you wish to retrieve the latest remote # version as well. def self.outdated outdated_and_latest_version.map {|local, _| local.name } end ## # Enumerates the outdated local gems yielding the local specification and # the latest remote version. # # This method may take some time to return as it must check each local gem # against the server's index. def self.outdated_and_latest_version return enum_for __method__ unless block_given? # TODO: maybe we should switch to rubygems' version service? fetcher = Gem::SpecFetcher.fetcher latest_specs(true).each do |local_spec| dependency = Gem::Dependency.new local_spec.name, ">= #{local_spec.version}" remotes, = fetcher.search_for_dependency dependency remotes = remotes.map {|n, _| n.version } latest_remote = remotes.sort.last yield [local_spec, latest_remote] if latest_remote and local_spec.version < latest_remote end nil end ## # Is +name+ a required attribute? def self.required_attribute?(name) @@required_attributes.include? name.to_sym end ## # Required specification attributes def self.required_attributes @@required_attributes.dup end ## # Reset the list of known specs, running pre and post reset hooks # registered in Gem. def self.reset @@dirs = nil Gem.pre_reset_hooks.each {|hook| hook.call } @@all = nil @@stubs = nil @@stubs_by_name = {} @@spec_with_requirable_file = {} @@active_stub_with_requirable_file = {} _clear_load_cache unresolved = unresolved_deps unless unresolved.empty? w = "W" + "ARN" warn "#{w}: Unresolved or ambiguous specs during Gem::Specification.reset:" unresolved.values.each do |dep| warn " #{dep}" versions = find_all_by_name(dep.name) unless versions.empty? warn " Available/installed versions of this gem:" versions.each {|s| warn " - #{s.version}" } end end warn "#{w}: Clearing out unresolved specs. Try 'gem cleanup '" warn "Please report a bug if this causes problems." unresolved.clear end Gem.post_reset_hooks.each {|hook| hook.call } end # DOC: This method needs documented or nodoc'd def self.unresolved_deps @unresolved_deps ||= Hash.new {|h, n| h[n] = Gem::Dependency.new n } end ## # Load custom marshal format, re-initializing defaults as needed def self._load(str) Gem.load_yaml array = Marshal.load str spec = Gem::Specification.new spec.instance_variable_set :@specification_version, array[1] current_version = CURRENT_SPECIFICATION_VERSION field_count = if spec.specification_version > current_version spec.instance_variable_set :@specification_version, current_version MARSHAL_FIELDS[current_version] else MARSHAL_FIELDS[spec.specification_version] end if array.size < field_count raise TypeError, "invalid Gem::Specification format #{array.inspect}" end # Cleanup any YAML::PrivateType. They only show up for an old bug # where nil => null, so just convert them to nil based on the type. array.map! {|e| e.kind_of?(YAML::PrivateType) ? nil : e } spec.instance_variable_set :@rubygems_version, array[0] # spec version spec.instance_variable_set :@name, array[2] spec.instance_variable_set :@version, array[3] spec.date = array[4] spec.instance_variable_set :@summary, array[5] spec.instance_variable_set :@required_ruby_version, array[6] spec.instance_variable_set :@required_rubygems_version, array[7] spec.instance_variable_set :@original_platform, array[8] spec.instance_variable_set :@dependencies, array[9] # offset due to rubyforge_project removal spec.instance_variable_set :@email, array[11] spec.instance_variable_set :@authors, array[12] spec.instance_variable_set :@description, array[13] spec.instance_variable_set :@homepage, array[14] spec.instance_variable_set :@has_rdoc, array[15] spec.instance_variable_set :@new_platform, array[16] spec.instance_variable_set :@platform, array[16].to_s spec.instance_variable_set :@license, array[17] spec.instance_variable_set :@metadata, array[18] spec.instance_variable_set :@loaded, false spec.instance_variable_set :@activated, false spec end def <=>(other) # :nodoc: sort_obj <=> other.sort_obj end def ==(other) # :nodoc: self.class === other && name == other.name && version == other.version && platform == other.platform end ## # Dump only crucial instance variables. #-- # MAINTAIN ORDER! # (down with the man) def _dump(limit) Marshal.dump [ @rubygems_version, @specification_version, @name, @version, date, @summary, @required_ruby_version, @required_rubygems_version, @original_platform, @dependencies, '', # rubyforge_project @email, @authors, @description, @homepage, true, # has_rdoc @new_platform, @licenses, @metadata, ] end ## # Activate this spec, registering it as a loaded spec and adding # it's lib paths to $LOAD_PATH. Returns true if the spec was # activated, false if it was previously activated. Freaks out if # there are conflicts upon activation. def activate other = Gem.loaded_specs[self.name] if other check_version_conflict other return false end raise_if_conflicts activate_dependencies add_self_to_load_path Gem.loaded_specs[self.name] = self @activated = true @loaded = true return true end ## # Activate all unambiguously resolved runtime dependencies of this # spec. Add any ambiguous dependencies to the unresolved list to be # resolved later, as needed. def activate_dependencies unresolved = Gem::Specification.unresolved_deps self.runtime_dependencies.each do |spec_dep| if loaded = Gem.loaded_specs[spec_dep.name] next if spec_dep.matches_spec? loaded msg = "can't satisfy '#{spec_dep}', already activated '#{loaded.full_name}'" e = Gem::LoadError.new msg e.name = spec_dep.name raise e end begin specs = spec_dep.to_specs rescue Gem::MissingSpecError => e raise Gem::MissingSpecError.new(e.name, e.requirement, "at: #{self.spec_file}") end if specs.size == 1 specs.first.activate else name = spec_dep.name unresolved[name] = unresolved[name].merge spec_dep end end unresolved.delete self.name 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. def abbreviate self.files = [] self.test_files = [] self.rdoc_options = [] self.extra_rdoc_files = [] self.cert_chain = [] 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 self.summary = sanitize_string(summary) self.description = sanitize_string(description) self.post_install_message = sanitize_string(post_install_message) self.authors = authors.collect {|a| sanitize_string(a) } 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.to_s end ## # Returns an array with bindir attached to each executable in the # +executables+ list def add_bindir(executables) return nil if executables.nil? if @bindir Array(executables).map {|e| File.join(@bindir, e) } else executables end rescue return nil end ## # Adds a dependency on gem +dependency+ with type +type+ that requires # +requirements+. Valid types are currently :runtime and # :development. def add_dependency_with_type(dependency, type, requirements) requirements = if requirements.empty? Gem::Requirement.default else requirements.flatten end unless dependency.respond_to?(:name) && dependency.respond_to?(:requirement) dependency = Gem::Dependency.new(dependency.to_s, requirements, type) end dependencies << dependency end private :add_dependency_with_type alias add_dependency add_runtime_dependency ## # Adds this spec's require paths to LOAD_PATH, in the proper location. def add_self_to_load_path return if default_gem? paths = full_require_paths Gem.add_to_load_path(*paths) end ## # Singular reader for #authors. Returns the first author in the list def author val = authors and val.first end ## # The list of author names who wrote this gem. # # spec.authors = ['Chad Fowler', 'Jim Weirich', 'Rich Kilmer'] def authors @authors ||= [] end ## # Returns the full path to installed gem's bin directory. # # NOTE: do not confuse this with +bindir+, which is just 'bin', not # a full path. def bin_dir @bin_dir ||= File.join gem_dir, bindir end ## # Returns the full path to an executable named +name+ in this gem. def bin_file(name) File.join bin_dir, name end ## # Returns the build_args used to install the gem def build_args if File.exist? build_info_file build_info = File.readlines build_info_file build_info = build_info.map {|x| x.strip } build_info.delete "" build_info else [] end end ## # Builds extensions for this platform if the gem has extensions listed and # the gem.build_complete file is missing. def build_extensions # :nodoc: return if default_gem? return if extensions.empty? return if installed_by_version < Gem::Version.new('2.2.0.preview.2') return if File.exist? gem_build_complete_path return if !File.writable?(base_dir) return if !File.exist?(File.join(base_dir, 'extensions')) begin # We need to require things in $LOAD_PATH without looking for the # extension we are about to build. unresolved_deps = Gem::Specification.unresolved_deps.dup Gem::Specification.unresolved_deps.clear require 'rubygems/config_file' require 'rubygems/ext' require 'rubygems/user_interaction' ui = Gem::SilentUI.new Gem::DefaultUserInteraction.use_ui ui do builder = Gem::Ext::Builder.new self builder.build_extensions end ensure ui.close if ui Gem::Specification.unresolved_deps.replace unresolved_deps end end ## # Returns the full path to the build info directory def build_info_dir File.join base_dir, "build_info" end ## # Returns the full path to the file containing the build # information generated when the gem was installed def build_info_file File.join build_info_dir, "#{full_name}.info" end ## # Returns the full path to the cache directory containing this # spec's cached gem. def cache_dir @cache_dir ||= File.join base_dir, "cache" end ## # Returns the full path to the cached gem for this spec. def cache_file @cache_file ||= File.join cache_dir, "#{full_name}.gem" end ## # Return any possible conflicts against the currently loaded specs. def conflicts conflicts = {} self.runtime_dependencies.each do |dep| spec = Gem.loaded_specs[dep.name] if spec and not spec.satisfies_requirement? dep (conflicts[spec] ||= []) << dep end end env_req = Gem.env_requirement(name) (conflicts[self] ||= []) << env_req unless env_req.satisfied_by? version conflicts end ## # return true if there will be conflict when spec if loaded together with the list of specs. def conficts_when_loaded_with?(list_of_specs) # :nodoc: result = list_of_specs.any? do |spec| spec.dependencies.any? {|dep| dep.runtime? && (dep.name == name) && !satisfies_requirement?(dep) } end result end ## # Return true if there are possible conflicts against the currently loaded specs. def has_conflicts? return true unless Gem.env_requirement(name).satisfied_by?(version) self.dependencies.any? do |dep| if dep.runtime? spec = Gem.loaded_specs[dep.name] spec and not spec.satisfies_requirement? dep else false end end end # The date this gem was created. # # If SOURCE_DATE_EPOCH is set as an environment variable, use that to support # reproducible builds; otherwise, default to the current UTC date. # # Details on SOURCE_DATE_EPOCH: # https://reproducible-builds.org/specs/source-date-epoch/ def date @date ||= Time.utc(*Gem.source_date_epoch.utc.to_a[3..5].reverse) end DateLike = Object.new # :nodoc: def DateLike.===(obj) # :nodoc: defined?(::Date) and Date === obj end DateTimeFormat = # :nodoc: /\A (\d{4})-(\d{2})-(\d{2}) (\s+ \d{2}:\d{2}:\d{2}\.\d+ \s* (Z | [-+]\d\d:\d\d) )? \Z/x.freeze ## # The date this gem was created # # DO NOT set this, it is set automatically when the gem is packaged. def date=(date) # We want to end up with a Time object with one-day resolution. # This is the cleanest, most-readable, faster-than-using-Date # way to do it. @date = case date when String then if DateTimeFormat =~ date Time.utc($1.to_i, $2.to_i, $3.to_i) # Workaround for where the date format output from psych isn't # parsed as a Time object by syck and thus comes through as a # string. elsif /\A(\d{4})-(\d{2})-(\d{2}) \d{2}:\d{2}:\d{2}\.\d+?Z\z/ =~ date Time.utc($1.to_i, $2.to_i, $3.to_i) else raise(Gem::InvalidSpecificationException, "invalid date format in specification: #{date.inspect}") end when Time, DateLike then Time.utc(date.year, date.month, date.day) else TODAY end end ## # The default executable for this gem. # # Deprecated: The name of the gem is assumed to be the name of the # executable now. See Gem.bin_path. def default_executable # :nodoc: if defined?(@default_executable) and @default_executable result = @default_executable elsif @executables and @executables.size == 1 result = Array(@executables).first else result = nil end result end rubygems_deprecate :default_executable ## # The default value for specification attribute +name+ def default_value(name) @@default_value[name] end ## # A list of Gem::Dependency objects this gem depends on. # # Use #add_dependency or #add_development_dependency to add dependencies to # a gem. def dependencies @dependencies ||= [] end ## # Return a list of all gems that have a dependency on this gemspec. The # list is structured with entries that conform to: # # [depending_gem, dependency, [list_of_gems_that_satisfy_dependency]] def dependent_gems(check_dev=true) out = [] Gem::Specification.each do |spec| deps = check_dev ? spec.dependencies : spec.runtime_dependencies deps.each do |dep| if self.satisfies_requirement?(dep) sats = [] find_all_satisfiers(dep) do |sat| sats << sat end out << [spec, dep, sats] end end end out end ## # Returns all specs that matches this spec's runtime dependencies. def dependent_specs runtime_dependencies.map {|dep| dep.to_specs }.flatten end ## # A detailed description of this gem. See also #summary def description=(str) @description = str.to_s end ## # List of dependencies that are used for development def development_dependencies dependencies.select {|d| d.type == :development } end ## # Returns the full path to this spec's documentation directory. If +type+ # is given it will be appended to the end. For example: # # spec.doc_dir # => "/path/to/gem_repo/doc/a-1" # # spec.doc_dir 'ri' # => "/path/to/gem_repo/doc/a-1/ri" def doc_dir(type = nil) @doc_dir ||= File.join base_dir, 'doc', full_name if type File.join @doc_dir, type else @doc_dir end end def encode_with(coder) # :nodoc: mark_version coder.add 'name', @name coder.add 'version', @version platform = case @original_platform when nil, '' then 'ruby' when String then @original_platform else @original_platform.to_s end coder.add 'platform', platform attributes = @@attributes.map(&:to_s) - %w[name version platform] attributes.each do |name| coder.add name, instance_variable_get("@#{name}") end end def eql?(other) # :nodoc: self.class === other && same_attributes?(other) end ## # Singular accessor for #executables def executable val = executables and val.first end ## # Singular accessor for #executables def executable=(o) self.executables = [o] end ## # Sets executables to +value+, ensuring it is an array. def executables=(value) @executables = Array(value) end ## # Sets extensions to +extensions+, ensuring it is an array. def extensions=(extensions) @extensions = Array extensions end ## # Sets extra_rdoc_files to +files+, ensuring it is an array. def extra_rdoc_files=(files) @extra_rdoc_files = Array files end ## # The default (generated) file name of the gem. See also #spec_name. # # spec.file_name # => "example-1.0.gem" def file_name "#{full_name}.gem" end ## # Sets files to +files+, ensuring it is an array. def files=(files) @files = Array files end ## # Finds all gems that satisfy +dep+ def find_all_satisfiers(dep) Gem::Specification.each do |spec| yield spec if spec.satisfies_requirement? dep end end private :find_all_satisfiers ## # Creates a duplicate spec without large blobs that aren't used at runtime. def for_cache spec = dup spec.files = nil spec.test_files = nil spec end def full_name @full_name ||= super end ## # Work around bundler removing my methods def gem_dir # :nodoc: super end def gems_dir @gems_dir ||= File.join(base_dir, "gems") end ## # Deprecated and ignored, defaults to true. # # Formerly used to indicate this gem was RDoc-capable. def has_rdoc # :nodoc: true end rubygems_deprecate :has_rdoc ## # Deprecated and ignored. # # Formerly used to indicate this gem was RDoc-capable. def has_rdoc=(ignored) # :nodoc: @has_rdoc = true end rubygems_deprecate :has_rdoc= alias :has_rdoc? :has_rdoc # :nodoc: rubygems_deprecate :has_rdoc? ## # True if this gem has files in test_files def has_unit_tests? # :nodoc: not test_files.empty? end # :stopdoc: alias has_test_suite? has_unit_tests? # :startdoc: def hash # :nodoc: name.hash ^ version.hash end def init_with(coder) # :nodoc: @installed_by_version ||= nil yaml_initialize coder.tag, coder.map end eval <<-RUBY, binding, __FILE__, __LINE__ + 1 # frozen_string_literal: true def set_nil_attributes_to_nil #{@@nil_attributes.map {|key| "@#{key} = nil" }.join "; "} end private :set_nil_attributes_to_nil def set_not_nil_attributes_to_default_values #{@@non_nil_attributes.map {|key| "@#{key} = #{INITIALIZE_CODE_FOR_DEFAULTS[key]}" }.join ";"} end private :set_not_nil_attributes_to_default_values RUBY ## # Specification constructor. Assigns the default values to the attributes # and yields itself for further initialization. Optionally takes +name+ and # +version+. def initialize(name = nil, version = nil) super() @gems_dir = nil @base_dir = nil @loaded = false @activated = false @loaded_from = nil @original_platform = nil @installed_by_version = nil set_nil_attributes_to_nil set_not_nil_attributes_to_default_values @new_platform = Gem::Platform::RUBY self.name = name if name self.version = version if version if platform = Gem.platforms.last and platform != Gem::Platform::RUBY and platform != Gem::Platform.local self.platform = platform end yield self if block_given? end ## # Duplicates array_attributes from +other_spec+ so state isn't shared. def initialize_copy(other_spec) self.class.array_attributes.each do |name| name = :"@#{name}" next unless other_spec.instance_variable_defined? name begin val = other_spec.instance_variable_get(name) if val instance_variable_set name, val.dup elsif Gem.configuration.really_verbose warn "WARNING: #{full_name} has an invalid nil value for #{name}" end rescue TypeError e = Gem::FormatException.new \ "#{full_name} has an invalid value for #{name}" e.file_path = loaded_from raise e end end end def base_dir return Gem.dir unless loaded_from @base_dir ||= if default_gem? File.dirname File.dirname File.dirname loaded_from else File.dirname File.dirname loaded_from end end ## # Expire memoized instance variables that can incorrectly generate, replace # or miss files due changes in certain attributes used to compute them. def invalidate_memoized_attributes @full_name = nil @cache_file = nil end private :invalidate_memoized_attributes def inspect # :nodoc: if $DEBUG super else "#{super[0..-2]} #{full_name}>" end end ## # Files in the Gem under one of the require_paths def lib_files @files.select do |file| require_paths.any? do |path| file.start_with? path end end end ## # Singular accessor for #licenses def license licenses.first end ## # Plural accessor for setting licenses # # See #license= for details def licenses @licenses ||= [] end def internal_init # :nodoc: super @bin_dir = nil @cache_dir = nil @cache_file = nil @doc_dir = nil @ri_dir = nil @spec_dir = nil @spec_file = nil end ## # Sets the rubygems_version to the current RubyGems version. def mark_version @rubygems_version = Gem::VERSION end ## # Track removed method calls to warn about during build time. # Warn about unknown attributes while loading a spec. def method_missing(sym, *a, &b) # :nodoc: if REMOVED_METHODS.include?(sym) removed_method_calls << sym return end if @specification_version > CURRENT_SPECIFICATION_VERSION and sym.to_s.end_with?("=") warn "ignoring #{sym} loading #{full_name}" if $DEBUG else super end end ## # Is this specification missing its extensions? When this returns true you # probably want to build_extensions def missing_extensions? return false if default_gem? return false if extensions.empty? return false if installed_by_version < Gem::Version.new('2.2.0.preview.2') return false if File.exist? gem_build_complete_path true end ## # Normalize the list of files so that: # * All file lists have redundancies removed. # * Files referenced in the extra_rdoc_files are included in the package # file list. def normalize if defined?(@extra_rdoc_files) and @extra_rdoc_files @extra_rdoc_files.uniq! @files ||= [] @files.concat(@extra_rdoc_files) end @files = @files.uniq if @files @extensions = @extensions.uniq if @extensions @test_files = @test_files.uniq if @test_files @executables = @executables.uniq if @executables @extra_rdoc_files = @extra_rdoc_files.uniq if @extra_rdoc_files end ## # Return a NameTuple that represents this Specification def name_tuple Gem::NameTuple.new name, version, original_platform end ## # Returns the full name (name-version) of this gemspec using the original # platform. For use with legacy gems. def original_name # :nodoc: if platform == Gem::Platform::RUBY or platform.nil? "#{@name}-#{@version}" else "#{@name}-#{@version}-#{@original_platform}" end end ## # Cruft. Use +platform+. def original_platform # :nodoc: @original_platform ||= platform end ## # The platform this gem runs on. See Gem::Platform for details. def platform @new_platform ||= Gem::Platform::RUBY end def pretty_print(q) # :nodoc: q.group 2, 'Gem::Specification.new do |s|', 'end' do q.breakable attributes = @@attributes - [:name, :version] attributes.unshift :installed_by_version attributes.unshift :version attributes.unshift :name attributes.each do |attr_name| current_value = self.send attr_name current_value = current_value.sort if %i[files test_files].include? attr_name if current_value != default_value(attr_name) or self.class.required_attribute? attr_name q.text "s.#{attr_name} = " if attr_name == :date current_value = current_value.utc q.text "Time.utc(#{current_value.year}, #{current_value.month}, #{current_value.day})" else q.pp current_value end q.breakable end end end end ## # Raise an exception if the version of this spec conflicts with the one # that is already loaded (+other+) def check_version_conflict(other) # :nodoc: return if self.version == other.version # This gem is already loaded. If the currently loaded gem is not in the # list of candidate gems, then we have a version conflict. msg = "can't activate #{full_name}, already activated #{other.full_name}" e = Gem::LoadError.new msg e.name = self.name raise e end private :check_version_conflict ## # Check the spec for possible conflicts and freak out if there are any. def raise_if_conflicts # :nodoc: if has_conflicts? raise Gem::ConflictError.new self, conflicts end end ## # Sets rdoc_options to +value+, ensuring it is an array. def rdoc_options=(options) @rdoc_options = Array options end ## # Singular accessor for #require_paths def require_path val = require_paths and val.first end ## # Singular accessor for #require_paths def require_path=(path) self.require_paths = Array(path) end ## # Set requirements to +req+, ensuring it is an array. def requirements=(req) @requirements = Array req end def respond_to_missing?(m, include_private = false) # :nodoc: false end ## # Returns the full path to this spec's ri directory. def ri_dir @ri_dir ||= File.join base_dir, 'ri', full_name end ## # Return a string containing a Ruby code representation of the given # object. def ruby_code(obj) case obj when String then obj.dump + ".freeze" when Array then '[' + obj.map {|x| ruby_code x }.join(", ") + ']' when Hash then seg = obj.keys.sort.map {|k| "#{k.to_s.dump} => #{obj[k].to_s.dump}" } "{ #{seg.join(', ')} }" when Gem::Version then obj.to_s.dump when DateLike then obj.strftime('%Y-%m-%d').dump when Time then obj.strftime('%Y-%m-%d').dump when Numeric then obj.inspect when true, false, nil then obj.inspect when Gem::Platform then "Gem::Platform.new(#{obj.to_a.inspect})" when Gem::Requirement then list = obj.as_list "Gem::Requirement.new(#{ruby_code(list.size == 1 ? obj.to_s : list)})" else raise Gem::Exception, "ruby_code case not handled: #{obj.class}" end end private :ruby_code ## # List of dependencies that will automatically be activated at runtime. def runtime_dependencies dependencies.select(&:runtime?) end ## # True if this gem has the same attributes as +other+. def same_attributes?(spec) @@attributes.all? {|name, default| self.send(name) == spec.send(name) } end private :same_attributes? ## # Checks if this specification meets the requirement of +dependency+. def satisfies_requirement?(dependency) return @name == dependency.name && dependency.requirement.satisfied_by?(@version) end ## # Returns an object you can use to sort specifications in #sort_by. def sort_obj [@name, @version, @new_platform == Gem::Platform::RUBY ? -1 : 1] end ## # Used by Gem::Resolver to order Gem::Specification objects def source # :nodoc: Gem::Source::Installed.new end ## # Returns the full path to the directory containing this spec's # gemspec file. eg: /usr/local/lib/ruby/gems/1.8/specifications def spec_dir @spec_dir ||= File.join base_dir, "specifications" end ## # Returns the full path to this spec's gemspec file. # eg: /usr/local/lib/ruby/gems/1.8/specifications/mygem-1.0.gemspec def spec_file @spec_file ||= File.join spec_dir, "#{full_name}.gemspec" end ## # The default name of the gemspec. See also #file_name # # spec.spec_name # => "example-1.0.gemspec" def spec_name "#{full_name}.gemspec" end ## # A short summary of this gem's description. def summary=(str) @summary = str.to_s.strip. gsub(/(\w-)\n[ \t]*(\w)/, '\1\2').gsub(/\n[ \t]*/, " ") # so. weird. end ## # Singular accessor for #test_files def test_file # :nodoc: val = test_files and val.first end ## # Singular mutator for #test_files def test_file=(file) # :nodoc: self.test_files = [file] end ## # Test files included in this gem. You cannot append to this accessor, you # must assign to it. def test_files # :nodoc: # Handle the possibility that we have @test_suite_file but not # @test_files. This will happen when an old gem is loaded via # YAML. if defined? @test_suite_file @test_files = [@test_suite_file].flatten @test_suite_file = nil end if defined?(@test_files) and @test_files @test_files else @test_files = [] end end ## # Returns a Ruby code representation of this specification, such that it can # be eval'ed and reconstruct the same specification later. Attributes that # still have their default values are omitted. def to_ruby require_relative 'openssl' mark_version result = [] result << "# -*- encoding: utf-8 -*-" result << "#{Gem::StubSpecification::PREFIX}#{name} #{version} #{platform} #{raw_require_paths.join("\0")}" result << "#{Gem::StubSpecification::PREFIX}#{extensions.join "\0"}" unless extensions.empty? result << nil result << "Gem::Specification.new do |s|" result << " s.name = #{ruby_code name}" result << " s.version = #{ruby_code version}" unless platform.nil? or platform == Gem::Platform::RUBY result << " s.platform = #{ruby_code original_platform}" end result << "" result << " s.required_rubygems_version = #{ruby_code required_rubygems_version} if s.respond_to? :required_rubygems_version=" if metadata and !metadata.empty? result << " s.metadata = #{ruby_code metadata} if s.respond_to? :metadata=" end result << " s.require_paths = #{ruby_code raw_require_paths}" handled = [ :dependencies, :name, :platform, :require_paths, :required_rubygems_version, :specification_version, :version, :has_rdoc, :default_executable, :metadata, ] @@attributes.each do |attr_name| next if handled.include? attr_name current_value = self.send(attr_name) if current_value != default_value(attr_name) || self.class.required_attribute?(attr_name) result << " s.#{attr_name} = #{ruby_code current_value}" unless defined?(OpenSSL::PKey::RSA) && current_value.is_a?(OpenSSL::PKey::RSA) end end if @installed_by_version result << nil result << " s.installed_by_version = \"#{Gem::VERSION}\" if s.respond_to? :installed_by_version" end unless dependencies.empty? result << nil result << " if s.respond_to? :specification_version then" result << " s.specification_version = #{specification_version}" result << " end" result << nil result << " if s.respond_to? :add_runtime_dependency then" dependencies.each do |dep| req = dep.requirements_list.inspect dep.instance_variable_set :@type, :runtime if dep.type.nil? # HACK result << " s.add_#{dep.type}_dependency(%q<#{dep.name}>.freeze, #{req})" end result << " else" dependencies.each do |dep| version_reqs_param = dep.requirements_list.inspect result << " s.add_dependency(%q<#{dep.name}>.freeze, #{version_reqs_param})" end result << " end" end result << "end" result << nil result.join "\n" end ## # Returns a Ruby lighter-weight code representation of this specification, # used for indexing only. # # See #to_ruby. def to_ruby_for_cache for_cache.to_ruby end def to_s # :nodoc: "#" end ## # Returns self def to_spec self end def to_yaml(opts = {}) # :nodoc: Gem.load_yaml # Because the user can switch the YAML engine behind our # back, we have to check again here to make sure that our # psych code was properly loaded, and load it if not. unless Gem.const_defined?(:NoAliasYAMLTree) require 'rubygems/psych_tree' end builder = Gem::NoAliasYAMLTree.create builder << self ast = builder.tree require 'stringio' io = StringIO.new io.set_encoding Encoding::UTF_8 Psych::Visitors::Emitter.new(io).accept(ast) io.string.gsub(/ !!null \n/, " \n") end ## # Recursively walk dependencies of this spec, executing the +block+ for each # hop. def traverse(trail = [], visited = {}, &block) trail.push(self) begin dependencies.each do |dep| next unless dep.runtime? dep.to_specs.each do |dep_spec| next if visited.has_key?(dep_spec) visited[dep_spec] = true trail.push(dep_spec) begin result = block[self, dep, dep_spec, trail] ensure trail.pop end unless result == :next spec_name = dep_spec.name dep_spec.traverse(trail, visited, &block) unless trail.any? {|s| s.name == spec_name } end end end ensure trail.pop end end ## # Checks that the specification contains all required fields, and does a # very basic sanity check. # # Raises InvalidSpecificationException if the spec does not pass the # checks.. def validate(packaging = true, strict = false) normalize validation_policy = Gem::SpecificationPolicy.new(self) validation_policy.packaging = packaging validation_policy.validate(strict) end def keep_only_files_and_directories @executables.delete_if {|x| File.directory?(File.join(@bindir, x)) } @extensions.delete_if {|x| File.directory?(x) && !File.symlink?(x) } @extra_rdoc_files.delete_if {|x| File.directory?(x) && !File.symlink?(x) } @files.delete_if {|x| File.directory?(x) && !File.symlink?(x) } @test_files.delete_if {|x| File.directory?(x) && !File.symlink?(x) } end def validate_metadata Gem::SpecificationPolicy.new(self).validate_metadata end rubygems_deprecate :validate_metadata def validate_dependencies Gem::SpecificationPolicy.new(self).validate_dependencies end rubygems_deprecate :validate_dependencies def validate_permissions Gem::SpecificationPolicy.new(self).validate_permissions end rubygems_deprecate :validate_permissions ## # Set the version to +version+, potentially also setting # required_rubygems_version if +version+ indicates it is a # prerelease. def version=(version) @version = Gem::Version.create(version) # skip to set required_ruby_version when pre-released rubygems. # It caused to raise CircularDependencyError if @version.prerelease? && (@name.nil? || @name.strip != "rubygems") self.required_rubygems_version = '> 1.3.1' end invalidate_memoized_attributes return @version end def stubbed? false end def yaml_initialize(tag, vals) # :nodoc: vals.each do |ivar, val| case ivar when "date" # Force Date to go through the extra coerce logic in date= self.date = val.tap(&Gem::UNTAINT) else instance_variable_set "@#{ivar}", val.tap(&Gem::UNTAINT) end end @original_platform = @platform # for backwards compatibility self.platform = Gem::Platform.new @platform end ## # Reset nil attributes to their default values to make the spec valid def reset_nil_attributes_to_default nil_attributes = self.class.non_nil_attributes.find_all do |name| !instance_variable_defined?("@#{name}") || instance_variable_get("@#{name}").nil? end nil_attributes.each do |attribute| default = self.default_value attribute value = case default when Time, Numeric, Symbol, true, false, nil then default else default.dup end instance_variable_set "@#{attribute}", value end @installed_by_version ||= nil end def raw_require_paths # :nodoc: @require_paths end end