import AppKit
// Reuse the approved application icon; no artwork or user files are altered.
guard CommandLine.arguments.count == 3,
      let icon = NSImage(contentsOfFile:CommandLine.arguments[1]),
      NSWorkspace.shared.setIcon(icon,forFile:CommandLine.arguments[2],options:[]) else {
    fputs("Could not set the disk image Finder icon.\n",stderr)
    exit(1)
}