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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DIR:/opt/alt/ruby33/share/rubygems/rubygems/resolver/
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Current File : //opt/alt/ruby33/share/rubygems/rubygems/resolver/git_specification.rb
# frozen_string_literal: true

##
# A GitSpecification represents a gem that is sourced from a git repository
# and is being loaded through a gem dependencies file through the +git:+
# option.

class Gem::Resolver::GitSpecification < Gem::Resolver::SpecSpecification
  def ==(other) # :nodoc:
    self.class === other &&
      @set  == other.set &&
      @spec == other.spec &&
      @source == other.source
  end

  def add_dependency(dependency) # :nodoc:
    spec.dependencies << dependency
  end

  ##
  # Installing a git gem only involves building the extensions and generating
  # the executables.

  def install(options = {})
    require_relative "../installer"

    installer = Gem::Installer.for_spec spec, options

    yield installer if block_given?

    installer.run_pre_install_hooks
    installer.build_extensions
    installer.run_post_build_hooks
    installer.generate_bin
    installer.run_post_install_hooks
  end

  def pretty_print(q) # :nodoc:
    q.group 2, "[GitSpecification", "]" do
      q.breakable
      q.text "name: #{name}"

      q.breakable
      q.text "version: #{version}"

      q.breakable
      q.text "dependencies:"
      q.breakable
      q.pp dependencies

      q.breakable
      q.text "source:"
      q.breakable
      q.pp @source
    end
  end
end