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/ruby32/share/rubygems/rubygems/commands/
Upload File :
Current File : //opt/alt/ruby32/share/rubygems/rubygems/commands/yank_command.rb
# frozen_string_literal: true

require_relative "../command"
require_relative "../local_remote_options"
require_relative "../version_option"
require_relative "../gemcutter_utilities"

class Gem::Commands::YankCommand < Gem::Command
  include Gem::LocalRemoteOptions
  include Gem::VersionOption
  include Gem::GemcutterUtilities

  def description # :nodoc:
    <<-EOF
The yank command permanently removes a gem you pushed to a server.

Once you have pushed a gem several downloads will happen automatically
via the webhooks. If you accidentally pushed passwords or other sensitive
data you will need to change them immediately and yank your gem.
    EOF
  end

  def arguments # :nodoc:
    "GEM       name of gem"
  end

  def usage # :nodoc:
    "#{program_name} -v VERSION [-p PLATFORM] [--key KEY_NAME] [--host HOST] GEM"
  end

  def initialize
    super "yank", "Remove a pushed gem from the index"

    add_version_option("remove")
    add_platform_option("remove")
    add_otp_option

    add_option("--host HOST",
               "Yank from another gemcutter-compatible host",
               "  (e.g. https://rubygems.org)") do |value, options|
      options[:host] = value
    end

    add_key_option
    @host = nil
  end

  def execute
    @host = options[:host]

    sign_in @host, scope: get_yank_scope

    version   = get_version_from_requirements(options[:version])
    platform  = get_platform_from_requirements(options)

    if version
      yank_gem(version, platform)
    else
      say "A version argument is required: #{usage}"
      terminate_interaction
    end
  end

  def yank_gem(version, platform)
    say "Yanking gem from #{self.host}..."
    args = [:delete, version, platform, "api/v1/gems/yank"]
    response = yank_api_request(*args)

    say response.body
  end

  private

  def yank_api_request(method, version, platform, api)
    name = get_one_gem_name
    response = rubygems_api_request(method, api, host, scope: get_yank_scope) do |request|
      request.add_field("Authorization", api_key)

      data = {
        "gem_name" => name,
        "version" => version,
      }
      data["platform"] = platform if platform

      request.set_form_data data
    end
    response
  end

  def get_version_from_requirements(requirements)
    requirements.requirements.first[1].version
  rescue
    nil
  end

  def get_yank_scope
    :yank_rubygem
  end
end