zed-industries/zed · error · RuntimeError

origin/main tip {main_sha[:12]} unavailable locally after fe

Error message

origin/main tip {main_sha[:12]} unavailable locally after fetch

What it means

Error "origin/main tip {main_sha[:12]} unavailable locally after fetch" thrown in zed-industries/zed.

Source

Thrown at crates/eval_cli/zed_eval/source.py:107

def base_sha_on_main(base_sha: str, repo_url: str) -> bool:
    """Whether `base_sha` is reachable from origin/main.

    Resolves origin/main's tip against the remote (so it doesn't depend on the
    caller's possibly-stale local refs), fetching main if the objects aren't
    present locally, then checks ancestry. Raises only when the main tip can't be
    made available locally (a network/remote problem), so callers can
    distinguish that from a definitive "not on main".
    """
    main_sha = resolve_remote_ref(repo_url, "main")
    if base_sha.lower() == main_sha.lower():
        return True
    if not (commit_present(base_sha) and commit_present(main_sha)):
        subprocess.run(
            ["git", "-C", repo_root(), "fetch", "--quiet", repo_url, "main"],
            capture_output=True,
        )
    if not commit_present(main_sha):
        raise RuntimeError(
            f"origin/main tip {main_sha[:12]} unavailable locally after fetch"
        )
    if not commit_present(base_sha):
        # Not present even after pulling main's history -> not reachable from main.
        return False
    ancestry = subprocess.run(
        ["git", "-C", repo_root(), "merge-base", "--is-ancestor", base_sha, main_sha],
        capture_output=True,
    )
    if ancestry.returncode in (0, 1):
        return ancestry.returncode == 0
    raise RuntimeError(
        (ancestry.stderr or b"").decode(errors="replace").strip()
        or "git merge-base --is-ancestor failed"
    )


def resolve_git_ref(ref: str) -> str:

View on GitHub (pinned to bc538def45)

When it happens

Trigger: Thrown at crates/eval_cli/zed_eval/source.py:107 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of zed-industries/zed@bc538def45 (2026-08-16). Data as JSON: /api/errors/d979c6ae26a94350. Report an issue: GitHub.