Added "rake about" as a replacement for script/about [DHH]

railties/CHANGELOG

 *Edge*
 
+* Added "rake about" as a replacement for script/about [DHH]
+
 * Removed all the default commands in script/* and replaced them with script/rails and a rails command that'll act the same when run from within the app [DHH]. Example:
 
   ./script/generate scaffold post title:string  can now be called as  rails g scaffold post title:string

railties/lib/rails/commands/about.rb

-require 'rails/info'
-puts Rails::Info

railties/lib/rails/tasks/misc.rake

@@ -13,6 +13,13 @@ task :secret do
   puts ActiveSupport::SecureRandom.hex(64)
 end
 
+desc 'Explain the current environment'
+task :about do
+  $LOAD_PATH.unshift "#{RAILTIES_PATH}/builtin/rails_info"
+  require 'rails/info'
+  puts Rails::Info
+end
+
 namespace :time do
   namespace :zones do
     desc 'Displays names of all time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'