# File railties/lib/rails_generator/commands.rb, line 52
        def class_collisions(*class_names)
        end

# File railties/lib/rails_generator/commands.rb, line 45
        def dependency(generator_name, args, runtime_options = {})
          logger.dependency(generator_name) do
            self.class.new(instance(generator_name, args, full_options(runtime_options))).invoke!
          end
        end

# File railties/lib/rails_generator/commands.rb, line 41
        def invoke!
          manifest.replay(self)
        end

# File railties/lib/rails_generator/commands.rb, line 56
        def readme(*args)
        end

# File railties/lib/rails_generator/commands.rb, line 72
          def current_migration_number
            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
          end

# File railties/lib/rails_generator/commands.rb, line 64
          def existing_migrations(file_name)
            Dir.glob("#{@migration_directory}/[0-9]*_*.rb").grep(/[0-9]+_#{file_name}.rb$/)
          end

# File railties/lib/rails_generator/commands.rb, line 87
          def gsub_file(relative_destination, regexp, *args, &block)
            path = destination_path(relative_destination)
            content = File.read(path).gsub(regexp, *args, &block)
            File.open(path, 'wb') { |file| file.write(content) }
          end

# File railties/lib/rails_generator/commands.rb, line 60
          def migration_directory(relative_path)
            directory(@migration_directory = relative_path)
          end

# File railties/lib/rails_generator/commands.rb, line 68
          def migration_exists?(file_name)
            not existing_migrations(file_name).empty?
          end

# File railties/lib/rails_generator/commands.rb, line 79
          def next_migration_number
            current_migration_number + 1
          end

# File railties/lib/rails_generator/commands.rb, line 83
          def next_migration_string(padding = 3)
            "%.#{padding}d" % next_migration_number
          end

# File railties/lib/rails_generator/commands.rb, line 119
          def diff_cmd
            ENV['RAILS_DIFF'] || 'diff -u'
          end

# File railties/lib/rails_generator/commands.rb, line 95
          def force_file_collision?(destination, src, dst, file_options = {}, &block)
            $stdout.print "overwrite #{destination}? [Ynaqd] "
            case $stdin.gets
              when /d/i
                Tempfile.open(File.basename(destination), File.dirname(dst)) do |temp|
                  temp.write render_file(src, file_options, &block)
                  temp.rewind
                  $stdout.puts `#{diff_cmd} #{dst} #{temp.path}`
                end
                puts "retrying"
                raise 'retry diff'
              when /a/i
                $stdout.puts "forcing #{spec.name}"
                options[:collision] = :force
              when /q/i
                $stdout.puts "aborting #{spec.name}"
                raise SystemExit
              when /n/i then :skip
              else :force
            end
          rescue
            retry
          end

# File railties/lib/rails_generator/commands.rb, line 123
          def render_template_part(template_options)
            # Getting Sandbox to evaluate part template in it
            part_binding = template_options[:sandbox].call.sandbox_binding
            part_rel_path = template_options[:insert]
            part_path = source_path(part_rel_path)

            # Render inner template within Sandbox binding
            rendered_part = ERB.new(File.readlines(part_path).join, nil, '-').result(part_binding)
            begin_mark = template_part_mark(template_options[:begin_mark], template_options[:mark_id])
            end_mark = template_part_mark(template_options[:end_mark], template_options[:mark_id])
            begin_mark + rendered_part + end_mark
          end

# File railties/lib/rails_generator/commands.rb, line 136
          def template_part_mark(name, id)
            "<!--[#{name}:#{id}]-->\n"
          end