Function normalizeFilePath

src/utils/commitAttribution.ts:193–232

(filePath: string)

 * Resolves symlinks to handle /tmp vs /private/tmp on macOS.
 */
export function normalizeFilePath(filePath: string): string {
  const fs = getFsImplementation()
  const cwd = getAttributionRepoRoot()

  if (!isAbsolute(filePath)) {
    return filePath
  }

  // Resolve symlinks in both paths for consistent comparison
  // (e.g., /tmp -> /private/tmp on macOS)
  let resolvedPath = filePath
  let resolvedCwd = cwd

  try {
    resolvedPath = fs.realpathSync(filePath)
  } catch {
    // File may not exist yet, use original path
  }

  try {
    resolvedCwd = fs.realpathSync(cwd)
  } catch {
    // Keep original cwd
  }

  if (
    resolvedPath.startsWith(resolvedCwd + sep) ||
    resolvedPath === resolvedCwd
  ) {
    // Normalize to forward slashes so keys match git diff output on Windows
    return relative(resolvedCwd, resolvedPath).replaceAll(sep, '/')
  }

  // Fallback: try original comparison
  if (filePath.startsWith(cwd + sep) || filePath === cwd) {
    return relative(cwd, filePath).replaceAll(sep, '/')
  }

  return filePath
}

/**
 * Expand a relative path to absolute path.