warpdotdev/warp · error · MergeError

atomic_write_failed

atomic_write_failed

Error message

atomic_write_failed

What it means

Error "atomic_write_failed" thrown in warpdotdev/warp.

Source

Thrown at resources/bundled/skills/tui-migrate-setup/scripts/merge_mcp_config.py:467

        if destination_config.exists:
            backup = _backup_path(destination)
            _write_restricted_file(backup, destination_config.raw, exclusive=True)
            backup_created = True

        os.replace(stage_path, destination)
        stage_path = None
        os.chmod(destination, 0o600, follow_symlinks=False)
        if hasattr(os, "O_DIRECTORY"):
            directory_fd = os.open(destination.parent, os.O_RDONLY | os.O_DIRECTORY)
            try:
                os.fsync(directory_fd)
            finally:
                os.close(directory_fd)
        return backup_created
    except MergeError:
        raise
    except OSError as error:
        raise MergeError("atomic_write_failed") from error
    finally:
        if stage_descriptor is not None:
            os.close(stage_descriptor)
        if stage_path is not None:
            try:
                stage_path.unlink()
            except FileNotFoundError:
                pass
            except OSError:
                pass


def _summary(
    plan: MergePlan, *, status: str, backup_created: bool = False
) -> dict[str, Any]:
    return {
        "status": status,
        "fingerprint": plan.fingerprint,

View on GitHub (pinned to e72fd7aacb)

When it happens

Trigger: Thrown at resources/bundled/skills/tui-migrate-setup/scripts/merge_mcp_config.py:467 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of warpdotdev/warp@e72fd7aacb (2026-08-16). Data as JSON: /api/errors/95f9c5680af23d5f. Report an issue: GitHub.