Function decompress

src/common/command_utils.cpp:216–226

Future<Nothing> decompress(const Path& input)
{
  vector<string> argv = {
    "gzip",
    "-d",  // Decompress.
    input
  };

  return launch("gzip", argv)
    .then([]() { return Nothing(); });
}

} // namespace command {
} // namespace internal {