resolve

# File lib/rubygems/request_set.rb, line 359
  def resolve set = Gem::Resolver::BestSet.new
    @sets << set
    @sets << @git_set
    @sets << @vendor_set
    @sets << @source_set

    set = Gem::Resolver.compose_sets(*@sets)
    set.remote = @remote
    set.prerelease = @prerelease

    resolver = Gem::Resolver.new @dependencies, set
    resolver.development         = @development
    resolver.development_shallow = @development_shallow
    resolver.ignore_dependencies = @ignore_dependencies
    resolver.soft_missing        = @soft_missing

    if @conservative
      installed_gems = {}
      Gem::Specification.find_all do |spec|
        (installed_gems[spec.name] ||= []) << spec
      end
      resolver.skip_gems = installed_gems
    end

    @resolver = resolver

    @requests = resolver.resolve

    @errors = set.errors

    @requests
  end