Function fetchGhPRContext

packages/shared/pr-github.ts:338–381

(
  runtime: PRRuntime,
  ref: GhPRRef,
)

}

export async function fetchGhPRContext(
  runtime: PRRuntime,
  ref: GhPRRef,
): Promise<PRContext> {
  const repo = repoFlag(ref);

  const result = await runtime.runCommand("gh", [
    "pr", "view", String(ref.number),
    "--repo", repo,
    "--json", GH_CONTEXT_FIELDS,
  ]);

  if (result.exitCode !== 0) {
    throw new Error(
      `Failed to fetch PR context: ${result.stderr.trim() || `exit code ${result.exitCode}`}`,
    );
  }

  const raw = JSON.parse(result.stdout) as Record<string, unknown>;
  const context = parseGhPRContext(raw);

  // Fetch inline review threads + bot author logins via GraphQL (the only place
  // GitHub exposes whether an author is a Bot vs a User — `gh pr view --json`
  // gives the login only). Non-blocking failure: degrade to no threads / no bot
  // tags rather than failing the whole context.
  try {
    const { threads, botLogins, avatarByLogin } = await fetchGhThreadsAndBots(runtime, ref);
    context.reviewThreads = threads;
    for (const c of context.comments) {
      if (botLogins.has(c.author)) c.isBot = true;
      const a = avatarByLogin.get(c.author);
      if (a) c.avatarUrl = a;
    }
    for (const r of context.reviews) {
      if (botLogins.has(r.author)) r.isBot = true;
      const a = avatarByLogin.get(r.author);
      if (a) r.avatarUrl = a;
    }
  } catch {
    context.reviewThreads = [];
  }

  return context;
}

// --- Review Threads + bot detection (GraphQL) ---