run

# File lib/bundler/cli/install.rb, line 10
    def run
      Bundler.ui.level = "error" if options[:quiet]

      warn_if_root

      normalize_groups

      Bundler::SharedHelpers.set_env "RB_USER_INSTALL", "1" if Bundler::FREEBSD

      # Disable color in deployment mode
      Bundler.ui.shell = Thor::Shell::Basic.new if options[:deployment]

      check_for_options_conflicts

      check_trust_policy

      if options[:deployment] || options[:frozen] || Bundler.frozen_bundle?
        unless Bundler.default_lockfile.exist?
          flag   = "--deployment flag" if options[:deployment]
          flag ||= "--frozen flag"     if options[:frozen]
          flag ||= "deployment setting"
          raise ProductionError, "The #{flag} requires a #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}. Please make "                                   "sure you have checked your #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} into version control "                                   "before deploying."
        end

        options[:local] = true if Bundler.app_cache.exist?

        if Bundler.feature_flag.deployment_means_frozen?
          Bundler.settings.set_command_option :deployment, true
        else
          Bundler.settings.set_command_option :frozen, true
        end
      end

      # When install is called with --no-deployment, disable deployment mode
      if options[:deployment] == false
        Bundler.settings.set_command_option :frozen, nil
        options[:system] = true
      end

      normalize_settings

      Bundler::Fetcher.disable_endpoint = options["full-index"]

      if options["binstubs"]
        Bundler::SharedHelpers.major_deprecation 2,
          "The --binstubs option will be removed in favor of `bundle binstubs`"
      end

      Plugin.gemfile_install(Bundler.default_gemfile) if Bundler.feature_flag.plugins?

      definition = Bundler.definition
      definition.validate_runtime!

      installer = Installer.install(Bundler.root, definition, options)
      Bundler.load.cache if Bundler.app_cache.exist? && !options["no-cache"] && !Bundler.frozen_bundle?

      Bundler.ui.confirm "Bundle complete! #{dependencies_count_for(definition)}, #{gems_installed_for(definition)}."
      Bundler::CLI::Common.output_without_groups_message

      if Bundler.use_system_gems?
        Bundler.ui.confirm "Use `bundle info [gemname]` to see where a bundled gem is installed."
      else
        relative_path = Bundler.configured_bundle_path.base_path_relative_to_pwd
        Bundler.ui.confirm "Bundled gems are installed into `#{relative_path}`"
      end

      Bundler::CLI::Common.output_post_install_messages installer.post_install_messages

      warn_ambiguous_gems

      if CLI::Common.clean_after_install?
        require "bundler/cli/clean"
        Bundler::CLI::Clean.new(options).run
      end
    rescue GemNotFound, VersionConflict => e
      if options[:local] && Bundler.app_cache.exist?
        Bundler.ui.warn "Some gems seem to be missing from your #{Bundler.settings.app_cache_path} directory."
      end

      unless Bundler.definition.has_rubygems_remotes?
        Bundler.ui.warn           Your Gemfile has no gem server sources. If you need gems that are \          not already on your machine, add a line like this to your Gemfile:          source 'https://rubygems.org', :wrap => true
      end
      raise e
    rescue Gem::InvalidSpecificationException => e
      Bundler.ui.warn "You have one or more invalid gemspecs that need to be fixed."
      raise e
    end