find_all

# File lib/rubygems/resolver/installer_set.rb, line 59
  def find_all req
    res = []

    dep  = req.dependency

    return res if @ignore_dependencies and
              @always_install.none? { |spec| dep.matches_spec? spec }

    name = dep.name

    dep.matching_specs.each do |gemspec|
      next if @always_install.include? gemspec

      res << Gem::Resolver::InstalledSpecification.new(self, gemspec)
    end unless @ignore_installed

    if consider_local? then
      local_source = Gem::Source::Local.new

      if spec = local_source.find_gem(name, dep.requirement) then
        res << Gem::Resolver::IndexSpecification.new(
          self, spec.name, spec.version, local_source, spec.platform)
      end
    end

    res.concat @remote_set.find_all req if consider_remote?

    res
  end