class Gem::Commands::InstallCommand

def install_from_gemdeps # :nodoc:
  require_relative "../request_set"
  rs = Gem::RequestSet.new
  specs = rs.install_from_gemdeps options do |req, inst|
    s = req.full_spec
    if inst
      say "Installing #{s.name} (#{s.version})"
    else
      say "Using #{s.name} (#{s.version})"
    end
  end
  @installed_specs = specs
  terminate_interaction
end