old_contents: import argparse
  
  from django.core.management import BaseCommand
  
  from ...importers.filesystem import FilesystemImporter
  
  
  class Command(BaseCommand):
      def add_arguments(self, parser):
          parser.add_argument('input_filenames', nargs='+', metavar='INPUT_FILE')
          parser.add_argument('-p', '--path', required=True)
  
      def handle(self, *args, **options):
          FilesystemImporter(path=options['path'], input_filenames=options['input_filenames']).run()
  
new_contents: import argparse
  
  from django.core.management import BaseCommand
  
  from ...importers.filesystem import FilesystemImporter
  
  
  class Command(BaseCommand):
      def add_arguments(self, parser):
          parser.add_argument('input_filenames', nargs='+', metavar='INPUT_FILE')
          parser.add_argument('-p', '--path', required=True)
  
      def handle(self, *args, **options):
          FilesystemImporter(
              path=options['path'],
              input_filenames=options['input_filenames'],
              mode='copy',
          ).run()
  
subject: make copy mode the default (should be made configurable)