In Files

  • rubygems/resolver/specification.rb

Class/Module Index [+]



A Resolver::Specification contains a subset of the information contained in a Gem::Specification. Only the information necessary for dependency resolution in the resolver is included.



The dependencies of the gem for this specification


The name of the gem for this specification


The platform this gem works on.


The set this specification came from.


The source for this specification


The version of the gem for this specification.

Public Class Methods

new() click to toggle source

Sets default instance variables for the specification.

               # File rubygems/resolver/specification.rb, line 41
def initialize
  @dependencies = nil
  @name         = nil
  @platform     = nil
  @set          = nil
  @source       = nil
  @version      = nil

Public Instance Methods

full_name() click to toggle source

The name and version of the specification.

Unlike Gem::Specification#full_name, the platform is not included.

               # File rubygems/resolver/specification.rb, line 55
def full_name
install(options) click to toggle source

Installs this specification using the Gem::Installer options. The install method yields a Gem::Installer instance, which indicates the gem will be installed, or nil, which indicates the gem is already installed.

               # File rubygems/resolver/specification.rb, line 65
def install options
  require 'rubygems/installer'

  destination = options[:install_dir] || Gem.dir

  Gem.ensure_gem_subdirectories destination

  gem = spec, destination

  installer = gem, options

  yield installer if block_given?

installable_platform?() click to toggle source

Returns true if this specification is installable on this platform.

               # File rubygems/resolver/specification.rb, line 84
def installable_platform?
  Gem::Platform.match spec.platform

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