Function getBranchCommits

packages/bumpy/src/core/git.ts:160–187

(
  rootDir: string,
  baseBranch: string,
)

/** Get commits on the current branch since it diverged from baseBranch */
export function getBranchCommits(
  rootDir: string,
  baseBranch: string,
): { hash: string; subject: string; body: string }[] {
  // Ensure we have the base branch ref
  if (!tryRunArgs(['git', 'rev-parse', '--verify', `origin/${baseBranch}`], { cwd: rootDir })) {
    tryRunArgs(['git', 'fetch', 'origin', baseBranch, '--depth=1'], { cwd: rootDir });
  }

  const mergeBase = tryRunArgs(['git', 'merge-base', 'HEAD', `origin/${baseBranch}`], { cwd: rootDir });
  const ref = mergeBase || `origin/${baseBranch}`;

  const rawLog = tryRunArgs(['git', 'log', `${ref}..HEAD`, '--format=%H%n%s%n%b%n---END---'], { cwd: rootDir });
  if (!rawLog) return [];

  const commits: { hash: string; subject: string; body: string }[] = [];
  const entries = rawLog.split('---END---').filter((e) => e.trim());
  for (const entry of entries) {
    const lines = entry.trim().split('\n');
    if (lines.length < 2) continue;
    commits.push({
      hash: lines[0]!.trim(),
      subject: lines[1]!.trim(),
      body: lines.slice(2).join('\n').trim(),
    });
  }
  return commits;
}

/** Get files changed in a specific commit */
export function getFilesChangedInCommit(hash: string, opts?: { cwd?: string }): string[] {