Apply [3136] to stable. Make the db_schema_dump task honor the SCHEMA…

… environment variable if present the way db_schema_import does. Closes #2931.

git-svn-id: http://svn-commit.rubyonrails.org/rails/branches/stable@3138 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Make the db_schema_dump task honor the SCHEMA environment variable if present the way db_schema_import does. #2931. [Blair Zajac]
+
 * Make help for the console command more explicit about how to specify the desired environment in which to run the console. #2911. [anonymous]
 
 * Introducing the session_migration generator.  Creates an add_session_table migration.  Allows generator to specify migrations directory.  #2958, #2960 [Rick Olson]

railties/lib/tasks/databases.rake

@@ -16,7 +16,7 @@ end
 desc "Create a db/schema.rb file that can be portably used against any DB supported by AR."
 task :db_schema_dump => :environment do
   require 'active_record/schema_dumper'
-  File.open("db/schema.rb", "w") do |file|
+  File.open(ENV['SCHEMA'] || "db/schema.rb", "w") do |file|
     ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file)
   end
 end