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Class: Bundler::Resolver::Strategy

Relationships & Source Files
Inherits: Object
Defined in: lib/bundler/resolver/strategy.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new(source) ⇒ Strategy

[ GitHub ] 

  


# File 'lib/bundler/resolver/strategy.rb', line 6



def initialize(source)
  @source = source
  @package_priority_cache = {}
end


  







Instance Method Details



  

    #most_preferred_version_of(package, range)   (private)
  

  [ GitHub ]


  

  


# File 'lib/bundler/resolver/strategy.rb', line 30



def most_preferred_version_of(package, range)
  versions = @source.versions_for(package, range)

  # Conditional avoids (among other things) calling
  # sort_versions_by_preferred with the root package
  if versions.size > 1
    @source.sort_versions_by_preferred(package, versions)
  else
    versions
  end
end


  








  

    #next_package_and_version(unsatisfied)  
  

  [ GitHub ]


  

  


# File 'lib/bundler/resolver/strategy.rb', line 11



def next_package_and_version(unsatisfied)
  package, range = next_term_to_try_from(unsatisfied)

  [package, most_preferred_version_of(package, range).first]
end


  








  

    #next_term_to_try_from(unsatisfied)   (private)
  

  [ GitHub ]


  

  


# File 'lib/bundler/resolver/strategy.rb', line 19



def next_term_to_try_from(unsatisfied)
  unsatisfied.min_by do |package, range|
    @package_priority_cache[[package, range]] ||= begin
      matching_versions = @source.versions_for(package, range)
      higher_versions = @source.versions_for(package, range.upper_invert)

      [matching_versions.count <= 1 ? 0 : 1, higher_versions.count]
    end
  end
end