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Diffstat (limited to 'railties/lib/generators/migration.rb')
| -rw-r--r-- | railties/lib/generators/migration.rb | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/railties/lib/generators/migration.rb b/railties/lib/generators/migration.rb deleted file mode 100644 index 0a9151ecdf..0000000000 --- a/railties/lib/generators/migration.rb +++ /dev/null @@ -1,65 +0,0 @@ -module Rails - module Generators - # Holds common methods for migrations. It assumes that migrations has the - # [0-9]*_name format and can be used by another frameworks (like Sequel) - # just by implementing the next migration number method. - # - module Migration - def self.included(base) #:nodoc: - base.send :attr_reader, :migration_number, - :migration_file_name, - :migration_class_name - end - - # Creates a migration template at the given destination. The difference - # to the default template method is that the migration number is appended - # to the destination file name. - # - # The migration number, migration file name, migration class name are - # available as instance variables in the template to be rendered. - # - # ==== Examples - # - # migration_template "migration.rb", "db/migrate/add_foo_to_bar.rb" - # - def migration_template(source, destination=nil, config={}) - destination = File.expand_path(destination || source, self.destination_root) - - migration_dir = File.dirname(destination) - @migration_number = next_migration_number(migration_dir) - @migration_file_name = File.basename(destination).sub(/\.rb$/, '') - @migration_class_name = @migration_file_name.camelize - - destination = migration_exists?(migration_dir, @migration_file_name) - - if behavior == :invoke - raise Error, "Another migration is already named #{@migration_file_name}: #{destination}" if destination - destination = File.join(migration_dir, "#{@migration_number}_#{@migration_file_name}.rb") - end - - template(source, destination, config) - end - - protected - - def migration_lookup_at(dirname) #:nodoc: - Dir.glob("#{dirname}/[0-9]*_*.rb") - end - - def migration_exists?(dirname, file_name) #:nodoc: - migration_lookup_at(dirname).grep(/\d+_#{file_name}.rb$/).first - end - - def current_migration_number(dirname) #:nodoc: - migration_lookup_at(dirname).collect do |file| - File.basename(file).split("_").first.to_i - end.max.to_i - end - - def next_migration_number(dirname) #:nodoc: - raise NotImplementError - end - - end - end -end |