code: func NewFileMigrator(path string, c *Connection) (FileMigrator, error) {
  	fm := FileMigrator{
  		Migrator: NewMigrator(c),
  		Path:     path,
  	}
  	fm.SchemaPath = path
  
  	err := fm.findMigrations()
  	if err != nil {
  		return fm, errors.WithStack(err)
  	}
  
  	return fm, nil
  }
docs: // NewFileMigrator for a path and a Connection