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/ruby21/lib64/ruby/2.1.0/rubygems/commands/
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Current File : //opt/alt/ruby21/lib64/ruby/2.1.0/rubygems/commands/push_command.rb
require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/gemcutter_utilities'
require 'rubygems/package'

class Gem::Commands::PushCommand < Gem::Command
  include Gem::LocalRemoteOptions
  include Gem::GemcutterUtilities

  def description # :nodoc:
    <<-EOF
The push command uploads a gem to the push server (the default is
https://rubygems.org) and adds it to the index.

The gem can be removed from the index (but only the index) using the yank
command.  For further discussion see the help for the yank command.
    EOF
  end

  def arguments # :nodoc:
    "GEM       built gem to push up"
  end

  def usage # :nodoc:
    "#{program_name} GEM"
  end

  def initialize
    super 'push', 'Push a gem up to the gem server', :host => self.host

    add_proxy_option
    add_key_option

    add_option('--host HOST',
               'Push to another gemcutter-compatible host') do |value, options|
      options[:host] = value
    end

    @host = nil
  end

  def execute
    @host = options[:host]

    sign_in @host

    send_gem get_one_gem_name
  end

  def send_gem name
    args = [:post, "api/v1/gems"]

    latest_rubygems_version = Gem.latest_rubygems_version

    if latest_rubygems_version < Gem.rubygems_version and
         Gem.rubygems_version.prerelease? and
         Gem::Version.new('2.0.0.rc.2') != Gem.rubygems_version then
      alert_error <<-ERROR
You are using a beta release of RubyGems (#{Gem::VERSION}) which is not
allowed to push gems.  Please downgrade or upgrade to a release version.

The latest released RubyGems version is #{latest_rubygems_version}

You can upgrade or downgrade to the latest release version with:

  gem update --system=#{latest_rubygems_version}

      ERROR
      terminate_interaction 1
    end

    gem_data = Gem::Package.new(name)

    unless @host then
      @host = gem_data.spec.metadata['default_gem_server']
    end

    # Always include this, even if it's nil
    args << @host

    if gem_data.spec.metadata.has_key?('allowed_push_host')
      args << gem_data.spec.metadata['allowed_push_host']
    end

    say "Pushing gem to #{@host || Gem.host}..."

    response = rubygems_api_request(*args) do |request|
      request.body = Gem.read_binary name
      request.add_field "Content-Length", request.body.size
      request.add_field "Content-Type",   "application/octet-stream"
      request.add_field "Authorization",  api_key
    end

    with_response response
  end

end