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Class: Gem::Source::Installed

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses:
Vendor
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::Gem::Source
Instance Chain:
self, ::Gem::Source, Comparable
Inherits: Gem::Source
Defined in: lib/rubygems/source/installed.rb

Overview

Represents an installed gem. This is used for dependency resolution.

Class Method Summary

::Gem::Source - Inherited

.new

Creates a new ::Gem::Source which will use the index located at #uri.

Instance Attribute Summary

::Gem::Source - Inherited

#update_cache?

Returns true when it is possible and safe to update the cache directory.
#uri

The URI this source will fetch gems from.

Instance Method Summary

::Gem::Source - Inherited

#<=>

Sources are ordered by installation preference.
#cache_dir

Returns the local directory to write #uri to.
#download

Downloads spec and writes it to Gem.dir.
#fetch_spec

Fetches a specification for the given name_tuple.
#load_specs

Loads type kind of specs fetching from @uri if the on-disk cache is out of date.

Constructor Details

This class inherits a constructor from Gem::Source

Instance Method Details

#<=>(other)

Installed sources sort before all other sources

[ GitHub ] 

  


# File 'lib/rubygems/source/installed.rb', line 13



def <=> other
  case other
  when Gem::Source::Git,
       Gem::Source::Lock,
       Gem::Source::Vendor then
    -1
  when Gem::Source::Installed then
    0
  when Gem::Source then
    1
  else
    nil
  end
end


  








  

    #download(spec, path)  
  



  

    

We don't need to download an installed gem


  



  [ GitHub ]


  

  


# File 'lib/rubygems/source/installed.rb', line 31



def download spec, path
  nil
end