晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。   林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。   见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝)   既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。   南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/opt/alt/ruby27/share/gems/gems/bundler-2.2.24/lib/bundler/resolver/
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Current File : //opt/alt/ruby27/share/gems/gems/bundler-2.2.24/lib/bundler/resolver/spec_group.rb
# frozen_string_literal: true

module Bundler
  class Resolver
    class SpecGroup
      attr_accessor :name, :version, :source
      attr_accessor :activated_platforms

      def self.create_for(specs, all_platforms, specific_platform)
        specific_platform_specs = specs[specific_platform]
        return unless specific_platform_specs.any?

        platforms = all_platforms.select {|p| specs[p].any? }

        new(specific_platform_specs.first, specs, platforms)
      end

      def initialize(exemplary_spec, specs, relevant_platforms)
        @exemplary_spec = exemplary_spec
        @name = exemplary_spec.name
        @version = exemplary_spec.version
        @source = exemplary_spec.source

        @activated_platforms = relevant_platforms
        @dependencies = Hash.new do |dependencies, platforms|
          dependencies[platforms] = dependencies_for(platforms)
        end
        @specs = specs
      end

      def to_specs
        activated_platforms.map do |p|
          specs = @specs[p]
          next unless specs.any?

          specs.map do |s|
            lazy_spec = LazySpecification.new(name, version, s.platform, source)
            lazy_spec.dependencies.replace s.dependencies
            lazy_spec
          end
        end.flatten.compact.uniq
      end

      def to_s
        activated_platforms_string = sorted_activated_platforms.join(", ")
        "#{name} (#{version}) (#{activated_platforms_string})"
      end

      def dependencies_for_activated_platforms
        @dependencies[activated_platforms]
      end

      def ==(other)
        return unless other.is_a?(SpecGroup)
        name == other.name &&
          version == other.version &&
          sorted_activated_platforms == other.sorted_activated_platforms &&
          source == other.source
      end

      def eql?(other)
        return unless other.is_a?(SpecGroup)
        name.eql?(other.name) &&
          version.eql?(other.version) &&
          sorted_activated_platforms.eql?(other.sorted_activated_platforms) &&
          source.eql?(other.source)
      end

      def hash
        name.hash ^ version.hash ^ sorted_activated_platforms.hash ^ source.hash
      end

      protected

      def sorted_activated_platforms
        activated_platforms.sort_by(&:to_s)
      end

      private

      def dependencies_for(platforms)
        platforms.map do |platform|
          __dependencies(platform) + metadata_dependencies(platform)
        end.flatten
      end

      def __dependencies(platform)
        dependencies = []
        @specs[platform].first.dependencies.each do |dep|
          next if dep.type == :development
          dependencies << DepProxy.get_proxy(dep, platform)
        end
        dependencies
      end

      def metadata_dependencies(platform)
        spec = @specs[platform].first
        return [] unless spec.is_a?(Gem::Specification)
        dependencies = []
        if !spec.required_ruby_version.nil? && !spec.required_ruby_version.none?
          dependencies << DepProxy.get_proxy(Gem::Dependency.new("Ruby\0", spec.required_ruby_version), platform)
        end
        if !spec.required_rubygems_version.nil? && !spec.required_rubygems_version.none?
          dependencies << DepProxy.get_proxy(Gem::Dependency.new("RubyGems\0", spec.required_rubygems_version), platform)
        end
        dependencies
      end
    end
  end
end