Single ruby version requirement message

railties/lib/rails.rb

@@ -1,3 +1,5 @@
+require 'rails/ruby_version_check'
+
 require 'pathname'
 
 require 'active_support'
@@ -8,7 +10,6 @@ require 'rails/application'
 require 'rails/version'
 require 'rails/deprecation'
 require 'rails/log_subscriber'
-require 'rails/ruby_version_check'
 
 require 'active_support/railtie'
 require 'action_dispatch/railtie'

railties/lib/rails/ruby_version_check.rb

@@ -1,16 +1,10 @@
-min_release  = "1.8.7"
 ruby_release = "#{RUBY_VERSION} (#{RUBY_RELEASE_DATE})"
-if ruby_release < min_release
+if ruby_release < '1.8.7' || (ruby_release > '1.8' && ruby_release < '1.9.2')
   abort <<-end_message
 
-    Rails requires Ruby version #{min_release} or later.
+    Rails 3 requires Ruby 1.8.7 or 1.9.2.
+
     You're running #{ruby_release}; please upgrade to continue.
 
   end_message
-elsif RUBY_VERSION == '1.9.1'
-  abort <<-EOS
-  
-    Rails 3 does not work with Ruby 1.9.1. Please upgrade to 1.9.2.
-
-  EOS
 end