configuration.rb in spring-4.1.0

- old
+ new

@@ -1,10 +1,11 @@
 require "spring/errors"
 
 module Spring
   class << self
-    attr_accessor :application_root, :quiet
+    attr_accessor :application_root
+    attr_writer :quiet
 
     def gemfile
       require "bundler"
 
       if /\s1.9.[0-9]/ ===  Bundler.ruby_scope.gsub(/[\/\s]+/,'')
@@ -48,9 +49,13 @@
       end
     end
 
     def project_root_path
       @project_root_path ||= find_project_root(Pathname.new(File.expand_path(Dir.pwd)))
+    end
+
+    def quiet
+      @quiet || ENV.key?('SPRING_QUIET')
     end
 
     private
 
     def find_project_root(current_dir)