Function ciCommentCommand

packages/bumpy/src/commands/ci.ts:306–338

(rootDir: string, opts: CommentOptions)

 * repo's comment onto an arbitrary PR or issue.
 */
export async function ciCommentCommand(rootDir: string, opts: CommentOptions): Promise<void> {
  if (!opts.bodyFile) {
    log.error('`bumpy ci comment` requires --body-file <path>.');
    process.exit(1);
  }

  // Let gh resolve the repo without a checkout (the poster workflow may not check
  // anything out). GITHUB_REPOSITORY is set by Actions and is trusted.
  if (!process.env.GH_REPO && process.env.GITHUB_REPOSITORY) {
    process.env.GH_REPO = process.env.GITHUB_REPOSITORY;
  }

  let body: string;
  try {
    body = readFileSync(resolve(opts.bodyFile), 'utf-8');
  } catch {
    // No body file — normal when the PR had no bump-file changes (empty artifact). No-op.
    log.dim(`  No comment body at ${opts.bodyFile} — nothing to post.`);
    return;
  }
  if (!body.trim()) {
    log.dim('  Empty comment body — nothing to post.');
    return;
  }

  const prNumber = opts.pr ? validatePrNumber(opts.pr) : resolveTargetPrNumber(rootDir);
  if (!prNumber) {
    log.error('Could not resolve a target PR. Pass --pr <number> explicitly.');
    process.exit(1);
  }

  await postOrUpdatePrComment(prNumber, body, rootDir);
}

/**
 * Resolve which PR to comment on. Under `workflow_run`, derive it from the TRUSTED