Method: LibGems::SourceIndex#latest_specs

Defined in:
lib/libgems/source_index.rb

#latest_specs ⇒ Object

Returns an Array specifications for the latest released versions of each gem in this index.



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# File 'lib/libgems/source_index.rb', line 165

def latest_specs
  result = Hash.new { |h,k| h[k] = [] }
  latest = {}

  sort.each do |_, spec|
    name = spec.name
    curr_ver = spec.version
    prev_ver = latest.key?(name) ? latest[name].version : nil

    next if curr_ver.prerelease?
    next unless prev_ver.nil? or curr_ver >= prev_ver or
                latest[name].platform != LibGems::Platform::RUBY

    if prev_ver.nil? or
       (curr_ver > prev_ver and spec.platform == LibGems::Platform::RUBY) then
      result[name].clear
      latest[name] = spec
    end

    if spec.platform != LibGems::Platform::RUBY then
      result[name].delete_if do |result_spec|
        result_spec.platform == spec.platform
      end
    end

    result[name] << spec
  end

  # TODO: why is this a hash while @gems is an array? Seems like
  # structural similarity would be good.
  result.values.flatten
end