Allows generator to specify migrations directory. References #2960.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3101 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,6 +1,6 @@
 *SVN*
 
-* Introducing the session_migration generator.  Creates an add_session_table migration.  #2958 [Rick Olson]
+* Introducing the session_migration generator.  Creates an add_session_table migration.  Allows generator to specify migrations directory.  #2958, #2960 [Rick Olson]
 
 * Update to Prototype 1.4.0_rc4. Closes #2943 (old Array.prototype.reverse behavior can be obtained by passing false as an argument). [Sam Stephenson]
 

railties/lib/rails_generator/commands.rb

@@ -56,8 +56,12 @@ module Rails
         end
 
         protected
+          def migration_directory(relative_path)
+            directory(@migration_directory = relative_path)
+          end
+
           def existing_migrations(file_name)
-            Dir.glob("db/migrate/[0-9]*_#{file_name}.rb")
+            Dir.glob("#{@migration_directory}/[0-9]*_#{file_name}.rb")
           end
 
           def migration_exists?(file_name)
@@ -65,7 +69,7 @@ module Rails
           end
 
           def current_migration_number
-            Dir.glob('db/migrate/[0-9]*.rb').inject(0) do |max, file_path|
+            Dir.glob("#{@migration_directory}/[0-9]*.rb").inject(0) do |max, file_path|
               n = File.basename(file_path).split('_', 2).first.to_i
               if n > max then n else max end
             end
@@ -305,6 +309,7 @@ module Rails
 
         # When creating a migration, it knows to find the first available file in db/migrate and use the migration.rb template.
         def migration_template(relative_source, relative_destination, template_options = {})
+          migration_directory relative_destination
           raise "Another migration is already named #{file_name}: #{existing_migrations(file_name).first}" if migration_exists?(file_name)
           template(relative_source, "#{relative_destination}/#{next_migration_string}_#{file_name}.rb", template_options)
         end
@@ -418,6 +423,7 @@ end_message
 
         # When deleting a migration, it knows to delete every file named "[0-9]*_#{file_name}".
         def migration_template(relative_source, relative_destination, template_options = {})
+          migration_directory relative_destination
           raise "There is no migration named #{file_name}" unless migration_exists?(file_name)
           existing_migrations(file_name).each do |file_path|
             file(relative_source, file_path, template_options)
@@ -457,6 +463,7 @@ end_message
         end
         
         def migration_template(relative_source, relative_destination, options = {})
+          migration_directory relative_destination
           logger.migration_template file_name
         end
       end

railties/lib/rails_generator/generators/components/migration/migration_generator.rb

@@ -1,7 +1,6 @@
 class MigrationGenerator < Rails::Generator::NamedBase
   def manifest
     record do |m|
-      m.directory 'db/migrate'
       m.migration_template 'migration.rb', 'db/migrate'
     end
   end

railties/lib/rails_generator/generators/components/session_migration/session_migration_generator.rb

@@ -6,7 +6,6 @@ class SessionMigrationGenerator < Rails::Generator::NamedBase
 
   def manifest
     record do |m|
-      m.directory 'db/migrate'
       m.migration_template 'migration.rb', 'db/migrate'
     end
   end