class Bundler::CLI::Lock

def run
  unless Bundler.default_gemfile
    Bundler.ui.error "Unable to find a Gemfile to lock"
    exit 1
  end
  print = options[:print]
  ui = Bundler.ui
  Bundler.ui = UI::Silent.new if print
  Bundler::Fetcher.disable_endpoint = options["full-index"]
  update = options[:update]
  conservative = options[:conservative]
  if update.is_a?(Array) # unlocking specific gems
    Bundler::CLI::Common.ensure_all_gems_in_lockfile!(update)
    update = { :gems => update, :conservative => conservative }
  elsif update
    update = { :conservative => conservative } if conservative
  end
  definition = Bundler.definition(update)
  Bundler::CLI::Common.configure_gem_version_promoter(Bundler.definition, options) if options[:update]
  options["remove-platform"].each do |platform|
    definition.remove_platform(platform)
  end
  options["add-platform"].each do |platform_string|
    platform = Gem::Platform.new(platform_string)
    if platform.to_s == "unknown"
      Bundler.ui.warn "The platform `#{platform_string}` is unknown to RubyGems " \
        "and adding it will likely lead to resolution errors"
    end
    definition.add_platform(platform)
  end
  if definition.platforms.empty?
    raise InvalidOption, "Removing all platforms from the bundle is not allowed"
  end
  definition.resolve_remotely! unless options[:local]
  if print
    puts definition.to_lock
  else
    file = options[:lockfile]
    file = file ? File.expand_path(file) : Bundler.default_lockfile
    puts "Writing lockfile to #{file}"
    definition.lock(file)
  end
  Bundler.ui = ui
end