HKUDS/nanobot · error · CliAppError

unsupported {expected} command

Error message

unsupported {expected} command

What it means

Error "unsupported {expected} command" thrown in HKUDS/nanobot.

Source

Thrown at nanobot/apps/cli/service.py:965

        output = f"{result.stderr}\n{result.stdout}"
        if "ENOTEMPTY" not in output or "rename" not in output:
            return result
        if not self._cleanup_stale_npm_install(app):
            return result
        return self._run_argv(argv, timeout=self.runtime.install_timeout)

    def _split_safe_command(self, app: dict[str, Any], key: str, expected: str) -> list[str]:
        command = str(app.get(key) or "")
        if not command:
            raise CliAppError(f"no {key} is defined for {app['name']}")
        if _has_shell_meta(command):
            raise CliAppError("script-style install commands are disabled in this MVP")
        try:
            argv = shlex.split(command)
        except ValueError as exc:
            raise CliAppError(f"invalid command: {exc}") from exc
        if not argv or argv[0] != expected:
            raise CliAppError(f"unsupported {expected} command")
        return argv

    def _argv_for_action(
        self,
        app: dict[str, Any],
        action: str,
        installed_entry: dict[str, Any] | None = None,
    ) -> list[str] | None:
        strategy = self._strategy(app)
        if strategy == "pip":
            if action == "install":
                return self._pip_install_argv(app)
            if action == "update":
                return self._pip_install_argv(app, update=True)
            return self._pip_uninstall_argv(app, installed_entry=installed_entry)
        if strategy == "npm":
            return self._npm_argv(app, action)
        if strategy == "brew":

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/apps/cli/service.py:965 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/nanobot@42f37dc4c0 (2026-08-26). Data as JSON: /api/errors/1d9ca55f872dab29. Report an issue: GitHub.