Function createVersionPr

packages/bumpy/src/commands/ci.ts:723–834

(
  rootDir: string,
  plan: ReleasePlan,
  config: BumpyConfig,
  packageDirs: Map<string, string>,
  branchName?: string,
)

// ---- version-pr mode ----

async function createVersionPr(
  rootDir: string,
  plan: ReleasePlan,
  config: BumpyConfig,
  packageDirs: Map<string, string>,
  branchName?: string,
): Promise<void> {
  const branch = validateBranchName(branchName || config.versionPr.branch);
  const baseBranch = validateBranchName(
    tryRunArgs(['git', 'rev-parse', '--abbrev-ref', 'HEAD'], { cwd: rootDir }) || 'main',
  );

  // Check if a version PR already exists
  const existingPr = tryRunArgs(['gh', 'pr', 'list', '--head', branch, '--json', 'number', '--jq', '.[0].number'], {
    cwd: rootDir,
  });

  // Create or update the branch
  log.step(`Creating branch ${branch}...`);
  const branchExists = tryRunArgs(['git', 'rev-parse', '--verify', branch], { cwd: rootDir }) !== null;

  if (branchExists) {
    runArgs(['git', 'checkout', branch], { cwd: rootDir });
    runArgs(['git', 'reset', '--hard', baseBranch], { cwd: rootDir });
  } else {
    runArgs(['git', 'checkout', '-b', branch], { cwd: rootDir });
  }

  // Run bumpy version
  log.step('Running bumpy version...');
  const { versionCommand } = await import('./version.ts');
  await versionCommand(rootDir);

  // Commit and push
  runArgs(['git', 'add', '-A'], { cwd: rootDir });
  const status = tryRunArgs(['git', 'status', '--porcelain'], { cwd: rootDir });
  if (!status) {
    log.info('No version changes to commit.');
    runArgs(['git', 'checkout', baseBranch], { cwd: rootDir });
    return;
  }

  const commitMsg = await resolveCommitMessage(config.versionCommitMessage, plan, rootDir);
  runArgs(['git', 'commit', '-F', '-'], { cwd: rootDir, input: commitMsg });

  pushWithToken(rootDir, branch, config);

  // Create or update PR
  const repo = process.env.GITHUB_REPOSITORY;
  const noPatWarning = !process.env.BUMPY_GH_TOKEN && !!repo;

  if (existingPr) {
    const validPr = validatePrNumber(existingPr);
    const prBody = formatVersionPrBody(plan, config.versionPr.preamble, packageDirs, repo, validPr, noPatWarning);
    log.step(`Updating existing PR #${validPr}...`);
    await withPatToken(() =>
      runArgsAsync(['gh', 'pr', 'edit', validPr, '--title', config.versionPr.title, '--body-file', '-'], {
        cwd: rootDir,