denoland/deno · error

could not find laufey.app under {} to re-sign

Error message

could not find laufey.app under {} to re-sign

What it means

Error "could not find laufey.app under {} to re-sign" thrown in denoland/deno.

Source

Thrown at cli/tools/desktop.rs:2786

  Ok(())
}

/// Re-sign the cached laufey.app's binaries so the running binary's
/// identifier matches its host bundle's `CFBundleIdentifier`. Run once
/// per fresh download; HMR mode runs laufey.app directly (no per-project
/// wrapper), so without this UN sees `Identifier=laufey` /
/// `CFBundleIdentifier=com.deno.desktop` and refuses notification
/// authorization. Best-effort: failures here are logged but don't
/// abort the install, since most desktop features still work without
/// notifications.
#[cfg(target_os = "macos")]
fn harmonize_cached_laufey_identifiers(
  install_dir: &Path,
  backend: &str,
) -> Result<(), AnyError> {
  let laufey_app = locate_laufey_app_in_install(install_dir, backend)
    .ok_or_else(|| {
      deno_core::anyhow::anyhow!(
        "could not find laufey.app under {} to re-sign",
        install_dir.display()
      )
    })?;
  harmonize_laufey_app_identifiers(&laufey_app)
}

/// Idempotently re-sign every Mach-O in `<laufey.app>/Contents/MacOS/` so
/// its code-signing identifier matches the bundle's `CFBundleIdentifier`.
/// macOS `usernoted` rejects UN authorization with
/// `UNErrorCodeNotificationsNotAllowed` when the running binary's
/// signed identifier disagrees with the bundle id ("Legacy client X
/// connecting to modern client" in the daemon log). The linker-signed
/// default for the laufey binary is `Identifier=laufey`, which never matches.
/// Safe to call on every launch — binaries already at the correct
/// identifier are skipped without a re-sign.
#[cfg(target_os = "macos")]
fn harmonize_laufey_app_identifiers(laufey_app: &Path) -> Result<(), AnyError> {

View on GitHub (pinned to 89f33cbef2)

When it happens

Trigger: Thrown at cli/tools/desktop.rs:2786 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/7250a2f2ea4baa7f. Report an issue: GitHub.