xai-org/grok-build · error
targeted fetch task failed: {e}
Error message
targeted fetch task failed: {e} What it means
This error wraps any failure returned by the spawned async targeted-fetch task. The wrapper awaits a `JoinHandle`; if the task itself completes with `Err(e)`, the original error is re-wrapped as `AsyncFetchOutcome::Completed(Err(...))` with the message 'targeted fetch task failed: {e}', so the root cause (network, auth, ref not found, etc.) is in the formatted `{e}`.
Source
Thrown at crates/codegen/xai-grok-workspace/src/session/git.rs:2197
async fn spawn_targeted_fetch(git_root: &Path, spec: &str, kind: FetchKind) -> AsyncFetchOutcome {
let fetch_root = git_root.to_path_buf();
let fetch_spec = spec.to_owned();
match tokio::time::timeout(
crate::restore_fetch::RESTORE_FETCH_BUDGET + crate::restore_fetch::RESTORE_FETCH_JOIN_SLACK,
tokio::task::spawn_blocking(move || match kind {
FetchKind::CheckoutRef => {
crate::restore_fetch::fetch_checkout_target_if_missing(&fetch_root, &fetch_spec)
}
FetchKind::CommitOidOnly => {
crate::restore_fetch::fetch_commit_if_missing(&fetch_root, &fetch_spec)
}
}),
)
.await
{
Err(_) => AsyncFetchOutcome::Abandoned,
Ok(Err(e)) => {
AsyncFetchOutcome::Completed(Err(anyhow::anyhow!("targeted fetch task failed: {e}")))
}
Ok(Ok(result)) => AsyncFetchOutcome::Completed(result),
}
}
/// Checkout `head_commit` (full oid or simple ref), fetching from origin if needed.
pub(crate) async fn checkout_commit_with_fetch(
git_root: &Path,
head_commit: &str,
stash_if_dirty: bool,
) -> CheckoutCommitResponse {
if let Some(current) = get_current_commit(git_root).await
&& current == head_commit
&& git_cli(git_root, &["cat-file", "-t", head_commit])
.await
.is_ok()
{
return CheckoutCommitResponse {
checked_out: true,View on GitHub (pinned to bc7f02eddd)
Solutions
- Read the wrapped `{e}` in the message to find the root cause
- Run `git fetch origin <ref>` manually in the workspace to reproduce and see git's stderr
- Fix credentials (refresh token, `ssh-add`) or network/proxy settings
- Verify the target branch/ref still exists on origin
Example fix
null
Defensive patterns
Strategy: try-catch
Validate before calling
let out = std::process::Command::new("git").args(["ls-remote","origin"]).output()?;
if !out.status.success() { eprintln!("remote unreachable: {}", String::from_utf8_lossy(&out.stderr)); } Try / catch
match outcome {
AsyncFetchOutcome::Completed(Err(e)) if e.to_string().contains("targeted fetch task failed") => {
// inspect root cause in {e}: retry with backoff or surface to user
}
_ => {}
} Prevention
- Check remote connectivity/credentials before checkout flows
- Handle offline environments with a retry/backoff policy
- Verify the target ref exists on origin before fetching
When it happens
Trigger: The inner fetch future fails for any reason — remote unreachable, bad SSH/HTTPS credentials, missing refspec, or non-zero `git fetch` exit — during the targeted fetch used before checkout.
Common situations: Offline or firewalled environment; expired GitHub token / SSH key not loaded; fetching a branch deleted on the remote; proxy misconfiguration.
Related errors
- git fetch --no-tags origin {spec} failed ({status}): {stderr
- fetch of base ref '{base}' failed: {fetch_out}
- Failed to push tag: {stderr}
- git fetch origin {oid} skipped: restore fetch budget exhaust
- unsupported checkout target (need a full commit oid or a sim
AI-assisted analysis of xai-org/grok-build@bc7f02eddd (2026-08-31).
Data as JSON: /api/errors/14bcc2afc8f7d282.
Report an issue: GitHub.