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index_set.rb

# frozen_string_literal: true

##
# The global rubygems pool represented via the traditional
# source index.

class Gem::Resolver::IndexSet < Gem::Resolver::Set
  def initialize(source = nil) # :nodoc:
    super()

@f =
      if source
        sources = Gem::SourceList.from [source]

Gem::SpecFetcher.new sources
      else
        Gem::SpecFetcher.fetcher
      end

@all = Hash.new {|h,k| h[k] = [] }

list, errors = @f.available_specs :complete

@errors.concat errors

list.each do |uri, specs|
      specs.each do |n|
        @all[n.name] << [uri, n]
      end
    end

@specs = {}
  end

##
  # Return an array of IndexSpecification objects matching
  # DependencyRequest +req+.

def find_all(req)
    res = []

return res unless @remote

name = req.dependency.name

@all[name].each do |uri, n|
      if req.match? n, @prerelease
        res << Gem::Resolver::IndexSpecification.new(
          self, n.name, n.version, uri, n.platform)
      end
    end

res
  end

def pretty_print(q) # :nodoc:
    q.group 2, "[IndexSet", "]" do
      q.breakable
      q.text "sources:"
      q.breakable
      q.pp @f.sources

q.breakable
      q.text "specs:"

q.breakable

names = @all.values.map do |tuples|
        tuples.map do |_, tuple|
          tuple.full_name
        end
      end.flatten

q.seplist names do |name|
        q.text name
      end
    end
  end
end

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