env_new_command=env_sub_parsers.add_parser(name="new",description="create a new environment")
env_new_command.add_argument("name",help="name of the new environment")
env_new_command.add_argument("--dont-use",help="by default, the newly created environment will be set as the current environment. if this argument is parsed, then it will be created but not activated.",action="store_true")
env_destroy_command=env_sub_parsers.add_parser(name="destroy",description="delete an environment")
env_destroy_command.add_argument("name",help="name of the environment to DESTROYYY")
env_destroy_command.add_argument("--confirm-yes",action="store_true",help="don't ask for confirmation (DANGEROUS)")