Ruby 1.8.7 compat: String#start_with? and #end_with?

1 files changed, 12 insertions, 4 deletions

diff --git a/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb b/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb
index 3960669798..09f9a188b5 100644
--- a/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb
+++ b/activesupport/lib/active_support/core_ext/string/starts_ends_with.rb
@@ -3,10 +3,18 @@ module ActiveSupport #:nodoc:
     module String #:nodoc:
       # Additional string tests.
       module StartsEndsWith
-        def self.included(base)
-          base.class_eval do
-            alias_method :start_with?, :starts_with?
-            alias_method :end_with?, :ends_with?
+        def self.append_features(base)
+          if '1.8.7 and up'.respond_to?(:start_with?)
+            base.class_eval do
+              alias_method :starts_with?, :start_with?
+              alias_method :ends_with?, :end_with?
+            end
+          else
+            super
+            base.class_eval do
+              alias_method :start_with?, :starts_with?
+              alias_method :end_with?, :ends_with?
+            end
           end
         end