Function formatVersionPrBody

packages/bumpy/src/commands/ci.ts:1619–1712

(
  plan: ReleasePlan,
  preamble: string,
  packageDirs: Map<string, string>,
  repo: string | undefined,
  prNumber: string | null,
  showNoPatWarning = false,
)

const GH_BODY_SAFE = 64_000;

export function formatVersionPrBody(
  plan: ReleasePlan,
  preamble: string,
  packageDirs: Map<string, string>,
  repo: string | undefined,
  prNumber: string | null,
  showNoPatWarning = false,
): string {
  const changesBaseUrl = repo && prNumber ? `https://github.com/${repo}/pull/${prNumber}/changes` : null;

  const groups: Record<string, PlannedRelease[]> = { major: [], minor: [], patch: [] };
  for (const r of plan.releases) {
    groups[r.type]?.push(r);
  }

  // Render the body at a given detail level. `includeSummaries: false` drops
  // the per-change bullet points, leaving just the version-bump headers — a
  // big size reduction for releases with many or large change summaries.
  const render = (includeSummaries: boolean): string => {
    const lines: string[] = [];
    lines.push(preamble);
    lines.push('');

    if (!includeSummaries) {
      lines.push(
        '> ℹ️ This release contains too many changes to summarize inline. See the **Files changed** tab and each package’s `CHANGELOG.md` for details.',
      );
      lines.push('');
    }

    for (const type of ['major', 'minor', 'patch'] as const) {
      const releases = groups[type];
      if (!releases || releases.length === 0) continue;

      lines.push(bumpSectionHeader(type));
      lines.push('');
      for (const r of releases) {
        const suffix = r.isDependencyBump ? ' _(dep)_' : r.isCascadeBump ? ' _(cascade)_' : '';
        const pkgDir = packageDirs.get(r.name);
        const diffLinks = pkgDir ? buildDiffLinks(pkgDir, changesBaseUrl) : '';
        lines.push(`#### \`${r.name}\` ${r.oldVersion} → **${r.newVersion}**${suffix}${diffLinks}`);
        lines.push('');

        if (!includeSummaries) continue;

        const relevantBumpFiles = plan.bumpFiles.filter((bf) => r.bumpFiles.includes(bf.id));

        if (relevantBumpFiles.length > 0) {
          for (const bf of relevantBumpFiles) {
            if (bf.summary) {
              const bfLink = changesBaseUrl
                ? ` ([bump file](${changesBaseUrl}#diff-${sha256Hex(`.bumpy/${bf.id}.md`)}))`
                : '';
              const summaryLines = bf.summary.split('\n');
              lines.push(`- ${summaryLines[0]}${bfLink}`);
              for (let i = 1; i < summaryLines.length; i++) {
                if (summaryLines[i]!.trim()) {
                  lines.push(`  ${summaryLines[i]}`);