Method add

src/tests/containerizer/rootfs.cpp:48–75

Try<Nothing> Rootfs::add(const string& path)
{
  Option<string> source = None();

  // If we are copying a symlink, follow it and copy the
  // target instead. While this is a little inefficient on
  // disk space, it avoids complexity in dealing with chains
  // of symlinks and symlinks in intermediate path components.
  if (os::stat::islink(path)) {
    Result<string> target = os::realpath(path);
    if (target.isNone()) {
      return Error("Failed to resolve '" + path + "'");
    }

    if (target.isError()) {
      return Error("Failed to resolve '" + path + "': " + target.error());
    }

    source = target.get();
  }

  Try<Nothing> copy = copyPath(source.isSome() ? source.get() : path, path);
  if (copy.isError()) {
    return Error("Failed to copy '" + path + "' to rootfs: " + copy.error());
  }

  return Nothing();
}


Try<Nothing> Rootfs::copyPath(const string& source, const string& destination)