Function closePromotedChannelReleasePrs

packages/bumpy/src/commands/ci.ts:877–921

* Close lingering channel release PRs whose cycles were promoted: once a channel's * bump files are pending on this branch (via a promotion or graduation merge), the * source channel's own release PR is obsolete — merging it would re-publish a cycle * that's already moving to its next stage. A fr

(
  rootDir: string,
  config: BumpyConfig,
  bumpFiles: BumpFile[],
  /** The channel whose release PR is being maintained right now (never close our own) */
  currentChannel?: ResolvedChannel,
)

  let diffRange: string;
  if (range) {
    diffRange = `${range.before}..${range.after}`;
  } else {
    if (!tryRunArgs(['git', 'rev-parse', '--verify', 'HEAD^'], { cwd: rootDir })) return new Set();
    diffRange = 'HEAD^..HEAD';
  }
  // --no-renames so file moves into channel dirs show up as additions
  const out = tryRunArgs(
    ['git', 'diff', '--name-only', '--diff-filter=A', '--no-renames', diffRange, '--', '.bumpy/'],
    { cwd: rootDir },
  );
  if (!out) return new Set();
  const knownChannels = new Set(channelNames(config));
  const arrived = new Set<string>();
  for (const f of out.split('\n')) {
    if (!f.endsWith('.md') || f.endsWith('README.md')) continue;
    const parts = f.split('/'); // .bumpy/<channel>/<id>.md
    if (parts.length === 3 && knownChannels.has(parts[1]!)) arrived.add(parts[1]!);
  }
  return arrived;
}

/**
 * Close lingering channel release PRs whose cycles were promoted: once a channel's
 * bump files are pending on this branch (via a promotion or graduation merge), the
 * source channel's own release PR is obsolete — merging it would re-publish a cycle
 * that's already moving to its next stage. A fresh release PR is created automatically
 * if new work lands on the channel branch.
 *
 * Only channels whose files arrived in the TRIGGERING push are considered: the files
 * stay pending here until our version/release PR merges, and re-closing on every
 * later push in that window would kill the release PR of a newly restarted cycle.
 */
async function closePromotedChannelReleasePrs(
  rootDir: string,
  config: BumpyConfig,
  bumpFiles: BumpFile[],
  /** The channel whose release PR is being maintained right now (never close our own) */
  currentChannel?: ResolvedChannel,
): Promise<void> {
  const arrived = detectArrivedChannelFiles(rootDir, config);
  const promoted = [...new Set(bumpFiles.map((bf) => bf.channel))].filter(
    (name): name is string => name != null && name !== currentChannel?.name && arrived.has(name),
  );
  if (promoted.length === 0) return;

  const channels = resolveChannels(config);
  for (const name of promoted) {
    const channel = channels.get(name);