Function getFileContentAtRev

src/utils/git.ts:830–842

(
  repoPath: string,
  rev: string,
  filePath: string,
)

 * Returns null if the file doesn't exist at that revision or if the rev is invalid.
 */
export async function getFileContentAtRev(
  repoPath: string,
  rev: string,
  filePath: string,
): Promise<Buffer | null> {
  const git = createGit(repoPath);
  try {
    const result = await git.show([`${rev}:${filePath}`]);
    return Buffer.from(result);
  } catch {
    return null;
  }
}

export async function getRepoStatus(localPath: string): Promise<{ ahead: number; behind: number; modified: string[] }> {
  const git = createGit(localPath);