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# 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/version'
require 'rubygems/requirement'
require 'rubygems/platform'
require 'rubygems/deprecate'
require 'rubygems/basic_specification'
require 'rubygems/stub_specification'
require 'rubygems/specification_policy'
require 'rubygems/util/list'
require 'stringio'
##
# 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
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 { |k|
@@default_value[k].nil?
}
@@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 = {}
######################################################################
# :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]*',
# 'test/**/*'].to_a
#
# # or without Rake...
# spec.files = Dir['lib/**/*.rb'] + Dir['bin/*']
# spec.files += Dir['[A-Z]*'] + Dir['test/**/*']
# 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 without requiring an update to
# the rubygems software.
#
# 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"
# }
#
# 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 <code>$LOAD_PATH</code> when this gem is
# activated.
#--
# See also #require_paths
#++
# If you have an extension you do not need to add <code>"ext"</code> to the
# require path, the extension build process will copy the extension files
# into "lib" for you.
#
# The default value is <code>"lib"</code>
#
# 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)
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
# <code>Gem::Version.new(0)</code> 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]
# #<Gem::Version "2.0.0.247">
#
# 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 ruby 2.0.x
# spec.required_ruby_version = '~> 2.0'
#
# # 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
deprecate :default_executable=, :none, 2018, 12
##
# Allows deinstallation of gems with legacy platforms.
attr_writer :original_platform # :nodoc:
##
# Deprecated and ignored.
#
# Formerly used to set rubyforge project.
attr_writer :rubyforge_project
##
# 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)
if @@all.any?(&:nil?) # TODO: remove once we're happy
raise "pid: #{$$} nil spec! included in #{stubs.inspect}"
end
# 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.clear
end
def self.each_gemspec(dirs) # :nodoc:
dirs.each do |dir|
Gem::Util.glob_files_in_dir("*.gemspec", dir).each do |path|
yield path.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.default_stubs(pattern)
base_dir = Gem.default_dir
gems_dir = File.join base_dir, "gems"
gemspec_stubs_in(default_specifications_dir, pattern) do |path|
Gem::StubSpecification.default_gemspec_stub(path, base_dir, gems_dir)
end
end
private_class_method :default_stubs
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 { |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
private_class_method :map_stubs
def self.uniq_by(list, &block) # :nodoc:
list.uniq(&block)
end
private_class_method :uniq_by
def self.sort_by!(list, &block)
list.sort_by!(&block)
end
private_class_method :sort_by!
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 = Gem.loaded_specs.values + default_stubs(pattern) + installed_stubs(dirs, pattern)
stubs = uniq_by(stubs) { |stub| stub.full_name }
_resort!(stubs)
@@stubs_by_name = stubs.select { |s| Gem::Platform.match s.platform }.group_by(&:name)
stubs
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
@@stubs_by_name[name] || []
else
pattern = "#{name}-*.gemspec"
stubs = Gem.loaded_specs.values + default_stubs(pattern) +
installed_stubs(dirs, pattern).select { |s| Gem::Platform.match s.platform }
stubs = uniq_by(stubs) { |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! { |a, b|
names = a.name <=> b.name
next names if names.nonzero?
b.version <=> a.version
}
end
##
# Loads the default specifications. It should be called only once.
def self.load_defaults
each_spec([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
##
# Adds +spec+ to the known specifications, keeping the collection
# properly sorted.
def self.add_spec(spec)
warn "Gem::Specification.add_spec is deprecated and will be removed in RubyGems 3.0" unless Gem::Deprecate.skip
# TODO: find all extraneous adds
# puts
# p :add_spec => [spec.full_name, caller.reject { |s| s =~ /minitest/ }]
# TODO: flush the rest of the crap from the tests
# raise "no dupes #{spec.full_name} in #{all_names.inspect}" if
# _all.include? spec
raise "nil spec!" unless spec # TODO: remove once we're happy with tests
return if _all.include? spec
_all << spec
stubs << spec
(@@stubs_by_name[spec.name] ||= []) << spec
sort_by!(@@stubs_by_name[spec.name]) { |s| s.version }
_resort!(_all)
_resort!(stubs)
end
##
# Adds multiple specs to the known specifications.
def self.add_specs(*specs)
warn "Gem::Specification.add_specs is deprecated and will be removed in RubyGems 3.0" unless Gem::Deprecate.skip
raise "nil spec!" if specs.any?(&:nil?) # TODO: remove once we're happy
# TODO: this is much more efficient, but we need the extra checks for now
# _all.concat specs
# _resort!
Gem::Deprecate.skip_during do
specs.each do |spec| # TODO: slow
add_spec spec
end
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)
raise "nil spec!" if specs.any?(&:nil?) # TODO: remove once we're happy
@@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 { |dir|
File.join dir.dup.untaint, "specifications"
}
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 { |s|
next unless Gem::BundlerVersionFinder.compatible?(s)
s.contains_requirable_file? path
} || 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 { |s|
next if s.activated?
next unless Gem::BundlerVersionFinder.compatible?(s)
s.contains_requirable_file? path
}
stub && stub.to_spec
end
def self.find_active_stub_by_path(path)
stub = @@active_stub_with_requirable_file[path] ||= (stubs.find { |s|
s.activated? and s.contains_requirable_file? path
} || NOT_FOUND)
stub.this
end
##
# Return currently unresolved specs that contain the file matching +path+.
def self.find_in_unresolved(path)
# TODO: do we need these?? Kill it
specs = unresolved_deps.values.map { |dep| dep.to_specs }.flatten
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)
specs = unresolved_deps.values.map { |dep| dep.to_specs }.flatten
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
##
# 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
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 { |spec|
minimum = native[spec.name]
minimum && spec.version < minimum
}.sort_by{ |tup| tup.name }
end
##
# Loads Ruby format gemspec from +file+.
def self.load(file)
return unless file
_spec = LOAD_CACHE[file]
return _spec if _spec
file = file.dup.untaint
return unless File.file?(file)
code = File.read file, :mode => 'r:UTF-8:-'
code.untaint
begin
_spec = eval code, binding, file
if Gem::Specification === _spec
_spec.loaded_from = File.expand_path file.to_s
LOAD_CACHE[file] = _spec
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 =~ /\A--- /
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
##
# Removes +spec+ from the known specs.
def self.remove_spec(spec)
warn "Gem::Specification.remove_spec is deprecated and will be removed in RubyGems 3.0" unless Gem::Deprecate.skip
_all.delete spec
stubs.delete_if { |s| s.full_name == spec.full_name }
(@@stubs_by_name[spec.name] || []).delete_if { |s| s.full_name == spec.full_name }
reset
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 ambigious 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 <gem>'"
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)
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
specs = spec_dep.to_specs
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 = string.to_s
begin
Builder::XChar.encode string
rescue NameError, NoMethodError
string.to_xs
end
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 <tt>:runtime</tt> and
# <tt>:development</tt>.
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 directories must come after -I and ENV['RUBYLIB']
insert_index = Gem.load_path_insert_index
if insert_index
# gem directories must come after -I and ENV['RUBYLIB']
$LOAD_PATH.insert(insert_index, *paths)
else
# we are probably testing in core, -I and RUBYLIB don't apply
$LOAD_PATH.unshift(*paths)
end
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 # TODO: this is unfortunate
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 { |dep|
spec = Gem.loaded_specs[dep.name]
if spec and not spec.satisfies_requirement? dep
(conflicts[spec] ||= []) << dep
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? { |spec|
spec.dependencies.any? { |dep| dep.runtime? && (dep.name == name) && !satisfies_requirement?(dep) }
}
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? { |dep|
if dep.runtime?
spec = Gem.loaded_specs[dep.name]
spec and not spec.satisfies_requirement? dep
else
false
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 ||= ENV["SOURCE_DATE_EPOCH"] ? Time.utc(*Time.at(ENV["SOURCE_DATE_EPOCH"].to_i).utc.to_a[3..5].reverse) : TODAY
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
deprecate :default_executable, :none, 2018, 12
##
# 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
out = []
Gem::Specification.each do |spec|
spec.dependencies.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. Don't
# use this, push onto the array instead.
def executables=(value)
# TODO: warn about setting instead of pushing
@executables = Array(value)
end
##
# Sets extensions to +extensions+, ensuring it is an array. Don't
# use this, push onto the array instead.
def extensions=(extensions)
# TODO: warn about setting instead of pushing
@extensions = Array extensions
end
##
# Sets extra_rdoc_files to +files+, ensuring it is an array. Don't
# use this, push onto the array instead.
def extra_rdoc_files=(files)
# TODO: warn about setting instead of pushing
@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
# TODO: this logic seems terribly broken, but tests fail if just base_dir
@gems_dir ||= File.join(loaded_from && base_dir || Gem.dir, "gems")
end
##
# Deprecated and ignored, defaults to true.
#
# Formerly used to indicate this gem was RDoc-capable.
def has_rdoc # :nodoc:
true
end
deprecate :has_rdoc, :none, 2018, 12
##
# Deprecated and ignored.
#
# Formerly used to indicate this gem was RDoc-capable.
def has_rdoc=(ignored) # :nodoc:
@has_rdoc = true
end
deprecate :has_rdoc=, :none, 2018, 12
alias :has_rdoc? :has_rdoc # :nodoc:
deprecate :has_rdoc?, :none, 2018, 12
##
# 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 <<-RB, binding, __FILE__, __LINE__ + 1
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
RB
##
# 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
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 $DEBUG
super
else
"#{super[0..-2]} #{full_name}>"
end
end
##
# Files in the Gem under one of the require_paths
def lib_files
@files.select do |file|
require_paths.any? do |path|
file.start_with? path
end
end
end
##
# Singular accessor for #licenses
def license
licenses.first
end
##
# Plural accessor for setting licenses
#
# See #license= for details
def licenses
@licenses ||= []
end
def internal_init # :nodoc:
super
@bin_dir = nil
@cache_dir = nil
@cache_file = nil
@doc_dir = nil
@ri_dir = nil
@spec_dir = nil
@spec_file = nil
end
##
# Sets the rubygems_version to the current RubyGems version.
def mark_version
@rubygems_version = Gem::VERSION
end
##
# Warn about unknown attributes while loading a spec.
def method_missing(sym, *a, &b) # :nodoc:
if @specification_version > CURRENT_SPECIFICATION_VERSION and
sym.to_s =~ /=$/
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
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
# TODO: e.requirement = dep.requirement
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. Don't
# use this, push onto the array instead.
def rdoc_options=(options)
# TODO: warn about setting instead of pushing
@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. Don't
# use this, push onto the array instead.
def requirements=(req)
# TODO: warn about setting instead of pushing
@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
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) or
self.class.required_attribute? attr_name
result << " s.#{attr_name} = #{ruby_code current_value}"
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 << nil
result << " if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') 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'
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:
"#<Gem::Specification name=#{@name} version=#{@version}>"
end
##
# Returns self
def to_spec
self
end
def to_yaml(opts = {}) # :nodoc:
# 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
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)
require 'rubygems/user_interaction'
extend Gem::UserInteraction
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
##
# Checks that dependencies use requirements as we recommend. Warnings are
# issued when dependencies are open-ended or overly strict for semantic
# versioning.
def validate_dependencies
Gem::SpecificationPolicy.new(self).validate_dependencies
end
##
# Checks to see if the files to be packaged are world-readable.
def validate_permissions
Gem::SpecificationPolicy.new(self).validate_permissions
end
##
# 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.untaint
else
instance_variable_set "@#{ivar}", val.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
# DOC: What is this and why is it here, randomly, at the end of this file?
Gem.clear_paths