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Class: Gem::Resolver::LockSpecification

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Specification
Instance Chain:
self, Specification
Inherits: Gem::Resolver::Specification
Defined in: lib/rubygems/resolver/lock_specification.rb

Overview

The LockSpecification comes from a lockfile (Gem::RequestSet::Lockfile).

A LockSpecification's dependency information is pre-filled from the lockfile.

Class Method Summary

Specification - Inherited

.new

Sets default instance variables for the specification.

Instance Attribute Summary

Specification - Inherited

#dependencies

The dependencies of the gem for this specification.
#installable_platform?

Returns true if this specification is installable on this platform.
#name

The name of the gem for this specification.
#platform

The platform this gem works on.
#set

The set this specification came from.
#source

The source for this specification.
#spec

The ::Gem::Specification for this Specification.
#version

The version of the gem for this specification.

Instance Method Summary

  • #install(options = {})

    This is a null install as a locked specification is considered installed.

  • #spec

    A specification constructed from the lockfile is returned.

Specification - Inherited

#full_name

The name and version of the specification.
#install

Installs this specification using the ::Gem::Installer options.

Constructor Details

.new(set, name, version, source, platform) ⇒ LockSpecification

[ GitHub ] 

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 9



def initialize set, name, version, source, platform
  super()

  @name     = name
  @platform = platform
  @set      = set
  @source   = source
  @version  = version

  @dependencies = []
  @spec         = nil
end


  







Instance Method Details



  

    #install(options = {})  
  



  

    

This is a null install as a locked specification is considered installed. options are ignored.


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 26



def install options = {}
  destination = options[:install_dir] || Gem.dir

  if File.exist? File.join(destination, 'specifications', spec.spec_name) then
    yield nil
    return
  end

  super
end


  








  

    #spec  
  



  

    

A specification constructed from the lockfile is returned


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 69



def spec
  @spec ||= Gem::Specification.find { |spec|
    spec.name == @name and spec.version == @version
  }

  @spec ||= Gem::Specification.new do |s|
    s.name     = @name
    s.version  = @version
    s.platform = @platform

    s.dependencies.concat @dependencies
  end
end