denoland/deno · error

failed to atomic-rename LAUFEY cache to {}: {e}

Error message

failed to atomic-rename LAUFEY cache to {}: {e}

What it means

Error "failed to atomic-rename LAUFEY cache to {}: {e}" thrown in denoland/deno.

Source

Thrown at cli/tools/desktop.rs:2023

    if marker.exists() {
      return Ok(dir);
    }

    // Discard any prior failed-extract debris (no marker ⇒ partial).
    // `rename` refuses a non-empty target.
    if dir.exists() {
      std::fs::remove_dir_all(&dir)?;
    }

    let staging_path = staging.into_path();
    if let Err(e) = std::fs::rename(&staging_path, &dir) {
      // Lost a rename race with a concurrent process — its dir is at
      // our target path now. Drop our staged copy and use theirs.
      let _ = std::fs::remove_dir_all(&staging_path);
      if marker.exists() {
        return Ok(dir);
      }
      return Err(deno_core::anyhow::anyhow!(
        "failed to atomic-rename LAUFEY cache to {}: {e}",
        dir.display(),
      ));
    }

    // The laufey release archive linker-signs the `laufey` binary with
    // identifier=`laufey` rather than the .app's CFBundleIdentifier. UN
    // (UNUserNotificationCenter) rejects authorization requests when
    // the running binary's signed identifier disagrees with the host
    // bundle's id (UNErrorCodeNotificationsNotAllowed, error code 1).
    // In HMR mode the user's project bundle isn't involved — we run
    // laufey.app directly — so we have to fix the cached copy itself.
    // Re-sign every Mach-O inside the cached laufey.app with the bundle
    // id so the running identity is internally consistent. No-op on
    // non-macOS targets / hosts (no `codesign(1)`).
    #[cfg(target_os = "macos")]
    if target.contains("apple-darwin")
      && let Err(e) = harmonize_cached_laufey_identifiers(&dir, backend)

View on GitHub (pinned to 89f33cbef2)

When it happens

Trigger: Thrown at cli/tools/desktop.rs:2023 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of denoland/deno@89f33cbef2 (2026-08-16). Data as JSON: /api/errors/20435a567fcec98b. Report an issue: GitHub.