class Bundler::CLI

def update(*gems)
  sources = Array(options[:source])
  if gems.empty? && sources.empty?
    # We're doing a full update
    Bundler.definition(true)
  else
    Bundler.definition(:gems => gems, :sources => sources)
  end
  opts = {"update" => true, "local" => options[:local]}
  Installer.install Bundler.root, Bundler.definition, opts
  Bundler.load.cache if Bundler.root.join("vendor/cache").exist?
  Bundler.ui.confirm "Your bundle is updated! " +
    "Use `bundle show [gemname]` to see where a bundled gem is installed."
end