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Filename :
lazy_specification.rb
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# frozen_string_literal: true require_relative "force_platform" module Bundler class LazySpecification include MatchPlatform include ForcePlatform attr_reader :name, :version, :platform attr_accessor :source, :remote, :force_ruby_platform, :dependencies, :required_ruby_version, :required_rubygems_version alias_method :runtime_dependencies, :dependencies def self.from_spec(s) lazy_spec = new(s.name, s.version, s.platform, s.source) lazy_spec.dependencies = s.dependencies lazy_spec.required_ruby_version = s.required_ruby_version lazy_spec.required_rubygems_version = s.required_rubygems_version lazy_spec end def initialize(name, version, platform, source = nil) @name = name @version = version @dependencies = [] @required_ruby_version = Gem::Requirement.default @required_rubygems_version = Gem::Requirement.default @platform = platform || Gem::Platform::RUBY @source = source @force_ruby_platform = default_force_ruby_platform end def full_name @full_name ||= if platform == Gem::Platform::RUBY "#{@name}-#{@version}" else "#{@name}-#{@version}-#{platform}" end end def lock_name @lock_name ||= name_tuple.lock_name end def name_tuple Gem::NameTuple.new(@name, @version, @platform) end def ==(other) full_name == other.full_name end def eql?(other) full_name.eql?(other.full_name) end def hash full_name.hash end ## # Does this locked specification satisfy +dependency+? # # NOTE: Rubygems default requirement is ">= 0", which doesn't match # prereleases of 0 versions, like "0.0.0.dev" or "0.0.0.SNAPSHOT". However, # bundler users expect those to work. We need to make sure that Gemfile # dependencies without explicit requirements (which use ">= 0" under the # hood by default) are still valid for locked specs using this kind of # versions. The method implements an ad-hoc fix for that. A better solution # might be to change default rubygems requirement of dependencies to be ">= # 0.A" but that's a major refactoring likely to break things. Hopefully we # can attempt it in the future. # def satisfies?(dependency) effective_requirement = dependency.requirement == Gem::Requirement.default ? Gem::Requirement.new(">= 0.A") : dependency.requirement @name == dependency.name && effective_requirement.satisfied_by?(Gem::Version.new(@version)) end def to_lock out = String.new out << " #{lock_name}\n" dependencies.sort_by(&:to_s).uniq.each do |dep| next if dep.type == :development out << " #{dep.to_lock}\n" end out end def materialize_for_installation source.local! matching_specs = source.specs.search(use_exact_resolved_specifications? ? self : [name, version]) return self if matching_specs.empty? candidates = if use_exact_resolved_specifications? matching_specs else target_platform = ruby_platform_materializes_to_ruby_platform? ? platform : local_platform installable_candidates = GemHelpers.select_best_platform_match(matching_specs, target_platform) specification = __materialize__(installable_candidates, fallback_to_non_installable: false) return specification unless specification.nil? if target_platform != platform installable_candidates = GemHelpers.select_best_platform_match(matching_specs, platform) end installable_candidates end __materialize__(candidates) end # If in frozen mode, we fallback to a non-installable candidate because by # doing this we avoid re-resolving and potentially end up changing the # lock file, which is not allowed. In that case, we will give a proper error # about the mismatch higher up the stack, right before trying to install the # bad gem. def __materialize__(candidates, fallback_to_non_installable: Bundler.frozen_bundle?) search = candidates.reverse.find do |spec| spec.is_a?(StubSpecification) || spec.matches_current_metadata? end if search.nil? && fallback_to_non_installable search = candidates.last else search.dependencies = dependencies if search && search.full_name == full_name && (search.is_a?(RemoteSpecification) || search.is_a?(EndpointSpecification)) end search end def to_s lock_name end def git_version return unless source.is_a?(Bundler::Source::Git) " #{source.revision[0..6]}" end def force_ruby_platform! @force_ruby_platform = true end private def use_exact_resolved_specifications? @use_exact_resolved_specifications ||= !source.is_a?(Source::Path) && ruby_platform_materializes_to_ruby_platform? end # # For backwards compatibility with existing lockfiles, if the most specific # locked platform is not a specific platform like x86_64-linux or # universal-java-11, then we keep the previous behaviour of resolving the # best platform variant at materiliazation time. For previous bundler # versions (before 2.2.0) this was always the case (except when the lockfile # only included non-ruby platforms), but we're also keeping this behaviour # on newer bundlers unless users generate the lockfile from scratch or # explicitly add a more specific platform. # def ruby_platform_materializes_to_ruby_platform? generic_platform = generic_local_platform == Gem::Platform::JAVA ? Gem::Platform::JAVA : Gem::Platform::RUBY !Bundler.most_specific_locked_platform?(generic_platform) || force_ruby_platform || Bundler.settings[:force_ruby_platform] end end end