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File Content: `yank_command.rb`

require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/version_option'
require 'rubygems/gemcutter_utilities'

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

  def description # :nodoc:
    <<-EOF
The yank command removes a gem you pushed to a server from the server's
index.

Note that if you push a gem to rubygems.org the yank command does not
prevent other people from downloading the gem via the download link.

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.

If you are yanking a gem due to intellectual property reasons contact
http://help.rubygems.org for permanant removal.  Be sure to mention this
as the reason for the removal request.
    EOF
  end

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

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

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

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

    add_option('--undo') do |value, options|
      options[:undo] = true
    end

    add_option('-k', '--key KEY_NAME',
               'Use API key from your gem credentials file') do |value, options|
      options[:key] = value
    end
  end

  def execute
    sign_in

    version   = get_version_from_requirements(options[:version])
    platform  = get_platform_from_requirements(options)
    api_key   = Gem.configuration.rubygems_api_key
    api_key   = Gem.configuration.api_keys[options[:key].to_sym] if options[:key]

    if version then
      if options[:undo] then
        unyank_gem(version, platform, api_key)
      else
        yank_gem(version, platform, api_key)
      end
    else
      say "A version argument is required: #{usage}"
      terminate_interaction
    end
  end

  def yank_gem(version, platform, api_key)
    say "Yanking gem from #{self.host}..."
    yank_api_request(:delete, version, platform, "api/v1/gems/yank", api_key)
  end

  def unyank_gem(version, platform, api_key)
    say "Unyanking gem from #{host}..."
    yank_api_request(:put, version, platform, "api/v1/gems/unyank", api_key)
  end

  private

  def yank_api_request(method, version, platform, api, api_key)
    name = get_one_gem_name
    response = rubygems_api_request(method, api) 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
    say response.body
  end

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

  def get_platform_from_requirements(requirements)
    Gem.platforms[1].to_s if requirements.key? :added_platform
  end

end

Name	Size	Permission
build_command.rb	1377 bytes	0644
cert_command.rb	7857 bytes	0644
check_command.rb	2257 bytes	0644
cleanup_command.rb	3977 bytes	0644
contents_command.rb	3778 bytes	0644
dependency_command.rb	5033 bytes	0644
environment_command.rb	4658 bytes	0644
fetch_command.rb	1793 bytes	0644
generate_index_command.rb	2583 bytes	0644
help_command.rb	5574 bytes	0644
install_command.rb	8204 bytes	0644
list_command.rb	917 bytes	0644
lock_command.rb	2739 bytes	0644
mirror_command.rb	511 bytes	0644
outdated_command.rb	822 bytes	0644
owner_command.rb	2337 bytes	0644
pristine_command.rb	4534 bytes	0644
push_command.rb	2476 bytes	0644
query_command.rb	8898 bytes	0644
rdoc_command.rb	2517 bytes	0644
search_command.rb	859 bytes	0644
server_command.rb	2410 bytes	0644
setup_command.rb	13273 bytes	0644
sources_command.rb	5310 bytes	0644
specification_command.rb	3355 bytes	0644
stale_command.rb	932 bytes	0644
uninstall_command.rb	4150 bytes	0644
unpack_command.rb	4621 bytes	0644
update_command.rb	6855 bytes	0644
which_command.rb	2189 bytes	0644
yank_command.rb	3058 bytes	0644

File Content: yank_command.rb

File Content: `yank_command.rb`