denoland/deno · error

LAUFEY cache dir has no parent: {}

Error message

LAUFEY cache dir has no parent: {}

What it means

Error "LAUFEY cache dir has no parent: {}" thrown in denoland/deno.

Source

Thrown at cli/tools/desktop.rs:1974

      .await
      .with_context(|| format!("failed to download {url}"))?;
    let data = response
      .into_maybe_bytes()?
      .ok_or_else(|| deno_core::anyhow::anyhow!("empty response from {url}"))?;

    let actual =
      faster_hex::hex_string(&sha2::Sha256::digest(&data)).to_lowercase();
    let expected_lc = expected.to_lowercase();
    if actual != expected_lc {
      // Include the URL in the bail: an attacker who poisoned a redirect
      // would otherwise be invisible in the failure log.
      bail!(
        "checksum mismatch for {archive} (downloaded from {url})\n  expected: {expected_lc}\n  actual:   {actual}"
      );
    }

    let parent = dir.parent().ok_or_else(|| {
      deno_core::anyhow::anyhow!(
        "LAUFEY cache dir has no parent: {}",
        dir.display()
      )
    })?;
    std::fs::create_dir_all(parent)?;

    // Stage extraction in a sibling tempdir so concurrent `deno desktop`
    // builds don't see (or stomp on) a half-populated `dir` while one
    // is mid-extract. tempfile's cleanup-on-drop covers panic /
    // early-return paths; on the happy path we consume the TempDir via
    // `into_path` so the rename below sees a real directory.
    let staging = tempfile::Builder::new()
      .prefix(".staging-")
      .tempdir_in(parent)
      .with_context(|| {
        format!("failed to stage tempdir in {}", parent.display())
      })?;

View on GitHub (pinned to 89f33cbef2)

When it happens

Trigger: Thrown at cli/tools/desktop.rs:1974 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/7c3d7ec2cdd16a6d. Report an issue: GitHub.