code: def add_arguments(cls):
          
          return [
              (('--yes',), dict(action='store_true', help='clean .git repo')),
              (('--variable', '-s'),
               dict(nargs='+', help='set extra variable,format is name:value')),
              (('--skip-builtin',),
               dict(action='store_true', help='skip replace builtin variable')),
          ]
docs: Init project.