Ruby 1.9.2: work around changes to flatten and nil.to_str

5 files changed, 20 insertions, 14 deletions

diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb
index b91ae65e9f..2f714c62ee 100644
--- a/activesupport/lib/active_support/cache.rb
+++ b/activesupport/lib/active_support/cache.rb
@@ -43,7 +43,8 @@ module ActiveSupport
     #   ActiveSupport::Cache.lookup_store(MyOwnCacheStore.new)
     #   # => returns MyOwnCacheStore.new
     def self.lookup_store(*store_option)
-      store, *parameters = *([ store_option ].flatten)
+      store = store_option.shift
+      parameters = store_option
 
       case store
       when Symbol
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index 190173f8a0..35ccec5df4 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -1,4 +1,5 @@
 require 'active_support/time'
+require 'active_support/core_ext/array/wrap'
 require 'active_support/core_ext/hash/reverse_merge'
 
 class Hash
@@ -138,7 +139,7 @@ class Hash
         case value.class.to_s
           when 'Hash'
             if value['type'] == 'array'
-              child_key, entries = value.detect { |k,v| k != 'type' }   # child_key is throwaway
+              child_key, entries = Array.wrap(value.detect { |k,v| k != 'type' })   # child_key is throwaway
               if entries.nil? || (c = value['__content__'] && c.blank?)
                 []
               else
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index 7f6f012721..e858bcdc80 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -339,7 +339,7 @@ module ActiveSupport #:nodoc:
           next
         end
         [ nesting_camel ]
-      end.flatten.compact.uniq
+      end.compact.flatten.compact.uniq
     end
 
     # Search for a file in load_paths matching the provided suffix.
diff --git a/activesupport/lib/active_support/deprecated_callbacks.rb b/activesupport/lib/active_support/deprecated_callbacks.rb
index 20fb03cbeb..f56fef0b6d 100644
--- a/activesupport/lib/active_support/deprecated_callbacks.rb
+++ b/activesupport/lib/active_support/deprecated_callbacks.rb
@@ -1,4 +1,5 @@
 require 'active_support/core_ext/array/extract_options'
+require 'active_support/core_ext/array/wrap'
 
 module ActiveSupport
   # Callbacks are hooks into the lifecycle of an object that allow you to trigger logic
@@ -194,8 +195,8 @@ module ActiveSupport
         end
 
         def should_run_callback?(*args)
-          [options[:if]].flatten.compact.all? { |a| evaluate_method(a, *args) } &&
-          ![options[:unless]].flatten.compact.any? { |a| evaluate_method(a, *args) }
+          Array.wrap(options[:if]).flatten.compact.all? { |a| evaluate_method(a, *args) } &&
+          !Array.wrap(options[:unless]).flatten.compact.any? { |a| evaluate_method(a, *args) }
         end
     end
 
diff --git a/activesupport/lib/active_support/json/backends/jsongem.rb b/activesupport/lib/active_support/json/backends/jsongem.rb
index c6c17a3c4e..cfe28d7bb9 100644
--- a/activesupport/lib/active_support/json/backends/jsongem.rb
+++ b/activesupport/lib/active_support/json/backends/jsongem.rb
@@ -23,15 +23,18 @@ module ActiveSupport
       private
         def convert_dates_from(data)
           case data
-            when DATE_REGEX
-              DateTime.parse(data)
-            when Array
-              data.map! { |d| convert_dates_from(d) }
-            when Hash
-              data.each do |key, value|
-                data[key] = convert_dates_from(value)
-              end
-            else data
+          when nil
+            nil
+          when DATE_REGEX
+            DateTime.parse(data)
+          when Array
+            data.map! { |d| convert_dates_from(d) }
+          when Hash
+            data.each do |key, value|
+              data[key] = convert_dates_from(value)
+            end
+          else
+            data
           end
         end
       end