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opt
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ruby33
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share
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gems
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gems
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bundler-2.5.11
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lib
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bundler
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resolver
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Filename :
candidate.rb
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# frozen_string_literal: true require_relative "spec_group" module Bundler class Resolver # # This class is a PubGrub compatible "Version" class that takes Bundler # resolution complexities into account. # # Each Resolver::Candidate has a underlying `Gem::Version` plus a set of # platforms. For example, 1.1.0-x86_64-linux is a different resolution candidate # from 1.1.0 (generic). This is because different platform variants of the # same gem version can bring different dependencies, so they need to be # considered separately. # # Some candidates may also keep some information explicitly about the # package they refer to. These candidates are referred to as "canonical" and # are used when materializing resolution results back into RubyGems # specifications that can be installed, written to lock files, and so on. # class Candidate include Comparable attr_reader :version def initialize(version, specs: []) @spec_group = Resolver::SpecGroup.new(specs) @version = Gem::Version.new(version) @ruby_only = specs.map(&:platform).uniq == [Gem::Platform::RUBY] end def dependencies @spec_group.dependencies end def to_specs(package) return [] if package.meta? @spec_group.to_specs(package.force_ruby_platform?) end def generic! @ruby_only = true self end def platform_specific! @ruby_only = false self end def prerelease? @version.prerelease? end def segments @version.segments end def sort_obj [@version, @ruby_only ? -1 : 1] end def <=>(other) return unless other.is_a?(self.class) sort_obj <=> other.sort_obj end def ==(other) return unless other.is_a?(self.class) sort_obj == other.sort_obj end def eql?(other) return unless other.is_a?(self.class) sort_obj.eql?(other.sort_obj) end def hash sort_obj.hash end def to_s @version.to_s end end end end