How to use the mackup.utils.copy function in mackup

"Reverting {}\n  at {} ...".format(
                                mackup_filepath, home_filepath
                            )
                        )
                    else:
                        print("Reverting {} ...".format(filename))

                    if self.dry_run:
                        continue

                    # If there is, delete it as we are gonna copy the Dropbox
                    # one there
                    utils.delete(home_filepath)

                    # Copy the Dropbox file to the home folder
                    utils.copy(mackup_filepath, home_filepath)
            elif self.verbose:
                print("Doing nothing, {} does not exist".format(mackup_filepath))

if utils.confirm(
                        "A {} named {} already exists in the"
                        " backup.\nAre you sure that you want to"
                        " replace it ?".format(file_type, mackup_filepath)
                    ):
                        # Delete the file in Mackup
                        utils.delete(mackup_filepath)
                        # Copy the file
                        utils.copy(home_filepath, mackup_filepath)
                        # Delete the file in the home
                        utils.delete(home_filepath)
                        # Link the backuped file to its original place
                        utils.link(mackup_filepath, home_filepath)
                else:
                    # Copy the file
                    utils.copy(home_filepath, mackup_filepath)
                    # Delete the file in the home
                    utils.delete(home_filepath)
                    # Link the backuped file to its original place
                    utils.link(mackup_filepath, home_filepath)
            elif self.verbose:
                if os.path.exists(home_filepath):
                    print(
                        "Doing nothing\n  {}\n  "
                        "is already backed up to\n  {}".format(
                            home_filepath, mackup_filepath
                        )
                    )
                elif os.path.islink(home_filepath):
                    print(
                        "Doing nothing\n  {}\n  "
                        "is a broken link, you might want to fix it.".format(

file_type = "folder"
                    elif os.path.islink(mackup_filepath):
                        file_type = "link"
                    else:
                        raise ValueError("Unsupported file: {}".format(mackup_filepath))

                    # Ask the user if he really want to replace it
                    if utils.confirm(
                        "A {} named {} already exists in the"
                        " backup.\nAre you sure that you want to"
                        " replace it ?".format(file_type, mackup_filepath)
                    ):
                        # Delete the file in Mackup
                        utils.delete(mackup_filepath)
                        # Copy the file
                        utils.copy(home_filepath, mackup_filepath)
                        # Delete the file in the home
                        utils.delete(home_filepath)
                        # Link the backuped file to its original place
                        utils.link(mackup_filepath, home_filepath)
                else:
                    # Copy the file
                    utils.copy(home_filepath, mackup_filepath)
                    # Delete the file in the home
                    utils.delete(home_filepath)
                    # Link the backuped file to its original place
                    utils.link(mackup_filepath, home_filepath)
            elif self.verbose:
                if os.path.exists(home_filepath):
                    print(
                        "Doing nothing\n  {}\n  "
                        "is already backed up to\n  {}".format(