class Bundler::CLI::Update

def initialize(options, gems)
  @options = options
  @gems = gems
end

def run
  Bundler.ui.level = "error" if options[:quiet]
  Plugin.gemfile_install(Bundler.default_gemfile) if Bundler.feature_flag.plugins?
  sources = Array(options[:source])
  groups  = Array(options[:group]).map(&:to_sym)
  if gems.empty? && sources.empty? && groups.empty? && !options[:ruby] && !options[:bundler]
    # We're doing a full update
    Bundler.definition(true)
  else
    unless Bundler.default_lockfile.exist?
      raise GemfileLockNotFound, "This Bundle hasn't been installed yet. " \
        "Run `bundle install` to update and install the bundled gems."
    end
    # cycle through the requested gems, to make sure they exist
    names = Bundler.locked_gems.specs.map(&:name)
    gems.each do |g|
      next if names.include?(g)
      raise GemNotFound, Bundler::CLI::Common.gem_not_found_message(g, names)
    end
    if groups.any?
      specs = Bundler.definition.specs_for groups
      gems.concat(specs.map(&:name))
    end
    Bundler.definition(:gems => gems, :sources => sources, :ruby => options[:ruby],
                       :lock_shared_dependencies => options[:conservative])
  end
  Bundler::CLI::Common.configure_gem_version_promoter(Bundler.definition, options)
  Bundler::Fetcher.disable_endpoint = options["full-index"]
  opts = options.dup
  opts["update"] = true
  opts["local"] = options[:local]
  Bundler.settings[:jobs] = opts["jobs"] if opts["jobs"]
  Bundler.definition.validate_runtime!
  installer = Installer.install Bundler.root, Bundler.definition, opts
  Bundler.load.cache if Bundler.app_cache.exist?
  if Bundler.settings[:clean] && Bundler.settings[:path]
    require "bundler/cli/clean"
    Bundler::CLI::Clean.new(options).run
  end
  Bundler.ui.confirm "Bundle updated!"
  Bundler::CLI::Common.output_without_groups_message
  Bundler::CLI::Common.output_post_install_messages installer.post_install_messages
end