class Gem::Resolver::Specification

# File lib/rubygems/resolver/specification.rb, line 60
def initialize
  @dependencies = nil
  @name         = nil
  @platform     = nil
  @set          = nil
  @source       = nil
  @version      = nil
  @required_ruby_version = Gem::Requirement.default
  @required_rubygems_version = Gem::Requirement.default
end

# File lib/rubygems/resolver/specification.rb, line 108
def download(options)
  dir = options[:install_dir] || Gem.dir

  Gem.ensure_gem_subdirectories dir

  source.download spec, dir
end

# File lib/rubygems/resolver/specification.rb, line 83
def full_name
  "#{@name}-#{@version}"
end

# File lib/rubygems/resolver/specification.rb, line 96
def install(options = {})
  require_relative "../installer"

  gem = download options

  installer = Gem::Installer.at gem, options

  yield installer if block_given?

  @spec = installer.install
end

# File lib/rubygems/resolver/specification.rb, line 119
def installable_platform?
  Gem::Platform.match_spec? spec
end