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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.
#local?

Instance Method Summary

Specification - Inherited

#download,
#full_name

The name and version of the specification.
#install

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

Fetches development dependencies if the source does not provide them by default (see APISpecification).

Constructor Details

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

[ GitHub ] 

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 12



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

  @name     = name
  @platform = platform
  @set      = set
  @source   = sources.first
  @sources  = sources
  @version  = version

  @dependencies = []
  @spec         = nil
end


  







Instance Attribute Details



  

    #sources   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 10



attr_reader :sources


  







Instance Method Details



  

    #add_dependency(dependency)  
  

  

    This method is for internal use only.
  



  

    

Adds dependency from the lockfile to this specification


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 44



def add_dependency(dependency) # :nodoc:
  @dependencies << dependency
end


  








  

    #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 30



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

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

  super
end


  








  

    #pretty_print(q)  
  

  

    This method is for internal use only.
  

  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 48



def pretty_print(q) # :nodoc:
  q.group 2, '[LockSpecification', ']' do
    q.breakable
    q.text "name: #{@name}"

    q.breakable
    q.text "version: #{@version}"

    unless @platform == Gem::Platform::RUBY
      q.breakable
      q.text "platform: #{@platform}"
    end

    unless @dependencies.empty?
      q.breakable
      q.text 'dependencies:'
      q.breakable
      q.pp @dependencies
    end
  end
end


  








  

    #spec  
  



  

    

A specification constructed from the lockfile is returned


  



  [ GitHub ]


  

  


# File 'lib/rubygems/resolver/lock_specification.rb', line 73



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