Minor code re-organisation

lib/tasks/database.rake

@@ -1,14 +1,20 @@
-require 'fileutils'
+namespace :db do 
 
-# Create a schema.rb file if it is missing
-if defined?(RAILS_ROOT) && !File.exist?(File.join(RAILS_ROOT, 'db', 'schema.rb'))
-  FileUtils.cp File.join(RAILS_ROOT, 'db', 'schema.core.rb'), File.join(RAILS_ROOT, 'db', 'schema.rb')
-end 
-
-namespace :db do
   namespace :retro do
     task :load do
       STDERR.puts "Task db:retro:load is deprecated and was disabled; please use db:setup instead."
     end
   end
+
+  namespace :schema do  
+    # Copy schema.core.rb to schema.rb if missing
+    task :clone_core => :environment do
+      unless File.exist?(Rails.root.join('db', 'schema.rb'))
+        FileUtils.cp Rails.root.join('db', 'schema.core.rb'), Rails.root.join('db', 'schema.rb')
+      end
+    end
+  end
+
 end
+
+Rake::Task['db:schema:load'].enhance ['db:schema:clone_core']