Function defaultIsAncestor

scripts/stack-plan.js:109–120

(projectRoot, ancestor, descendant)

}

function defaultIsAncestor(projectRoot, ancestor, descendant) {
  if (!ancestor || !descendant || ancestor === descendant) return false;
  try {
    childProcess.execFileSync('git', ['merge-base', '--is-ancestor', ancestor, descendant], {
      cwd: projectRoot,
      stdio: 'ignore',
    });
    return true;
  } catch {
    return false;
  }
}

function resolveGitRef(projectRoot, ref) {
  if (!ref) return null;