Function lookupPr

packages/bumpy/src/core/changelog-github.ts:232–249

Look up a PR by number using gh CLI

(prNumber: number, repo?: string)

/** Look up a PR by number using gh CLI */
function lookupPr(prNumber: number, repo?: string): { url: string; author?: string; commitHash?: string } | null {
  try {
    const ghArgs = ['gh', 'pr', 'view', String(prNumber), '--json', 'url,author,mergeCommit'];
    if (repo) ghArgs.push('--repo', repo);

    const result = tryRunArgs(ghArgs);
    if (!result) return null;

    const pr = JSON.parse(result);
    return {
      url: pr.url,
      author: pr.author?.login,
      commitHash: pr.mergeCommit?.oid,
    };
  } catch {
    return null;
  }
}

/**
 * Find the PR that introduced a bump file by checking git log