Very quiet mode for development

bin/vagrant

@@ -156,7 +156,7 @@ begin
   logger.debug("Creating Vagrant environment")
   env = Vagrant::Environment.new(opts)
 
-  if !Vagrant.in_installer?
+  if !Vagrant.in_installer? && !Vagrant.very_quiet?
     # If we're not in the installer, warn.
     env.ui.warn(I18n.t("vagrant.general.not_in_installer") + "\n", prefix: false)
   end

lib/vagrant/pre-rubygems.rb

@@ -2,9 +2,11 @@
 # initializes the Bundler context so that Vagrant and its associated plugins
 # can load properly, and then execs out into Vagrant again.
 
+require_relative "shared_helpers"
+
 if defined?(Bundler)
   require "bundler/shared_helpers"
-  if Bundler::SharedHelpers.in_bundle?
+  if Bundler::SharedHelpers.in_bundle? && !Vagrant.very_quiet?
     puts "Vagrant appears to be running in a Bundler environment. Your "
     puts "existing Gemfile will be used. Vagrant will not auto-load any plugins"
     puts "installed with `vagrant plugin`. Vagrant will autoload any plugins in"
@@ -16,7 +18,6 @@ end
 
 require_relative "bundler"
 require_relative "plugin/manager"
-require_relative "shared_helpers"
 
 plugins = Vagrant::Plugin::Manager.instance.installed_plugins
 Vagrant::Bundler.instance.init!(plugins)

lib/vagrant/shared_helpers.rb

@@ -32,6 +32,13 @@ module Vagrant
     !ENV["VAGRANT_NO_PLUGINS"]
   end
 
+  # Whether or not super quiet mode is enabled. This is ill-advised.
+  #
+  # @return [Boolean]
+  def self.very_quiet?
+    !!ENV["VAGRANT_I_KNOW_WHAT_IM_DOING_PLEASE_BE_QUIET"]
+  end
+
   # Returns the URL prefix to the server.
   #
   # @return [String]