message: Use pointer instead of reference for out param
diff: @@ -134,11 +134,11 @@ namespace vcpkg::Commands::Install
  return ImmutableSortedVector<std::string>::create(std::move(installed_files));
  }
  - void install_package(const vcpkg_paths& paths, const BinaryParagraph& binary_paragraph, StatusParagraphs& status_db)
  + void install_package(const vcpkg_paths& paths, const BinaryParagraph& binary_paragraph, StatusParagraphs* status_db)
  {
  const fs::path package_dir = paths.package_dir(binary_paragraph.spec);
  const triplet& triplet = binary_paragraph.spec.target_triplet();
  - const std::vector<StatusParagraph_and_associated_files> pgh_and_files = get_installed_files(paths, status_db);
  + const std::vector<StatusParagraph_and_associated_files> pgh_and_files = get_installed_files(paths, *status_db);
  const ImmutableSortedVector<std::string> package_files = build_list_of_package_files(package_dir);
  const ImmutableSortedVector<std::string> installed_files = build_list_of_installed_files(pgh_and_files, triplet);
  @@ -166,19 +166,19 @@ namespace vcpkg::Commands::Install
  spgh.state = install_state_t::half_installed;
  for (auto&& dep : spgh.package.depends)
  {
  - if (status_db.find_installed(dep, spgh.package.spec.target_triplet()) == status_db.end())
  + if (status_db->find_installed(dep, spgh.package.spec.target_triplet()) == status_db->end())
  {
  Checks::unreachable();
  }
  }
  write_update(paths, spgh);
  - status_db.insert(std::make_unique<StatusParagraph>(spgh));
  + status_db->insert(std::make_unique<StatusParagraph>(spgh));
  install_and_write_listfile(paths, spgh.package);
  spgh.state = install_state_t::installed;
  write_update(paths, spgh);
  - status_db.insert(std::make_unique<StatusParagraph>(spgh));
  + status_db->insert(std::make_unique<StatusParagraph>(spgh));
  }
  void perform_and_exit(const vcpkg_cmd_arguments& args, const vcpkg_paths& paths, const triplet& default_target_triplet)
  @@ -216,12 +216,12 @@ namespace vcpkg::Commands::Install
  {
  Commands::Build::build_package(*action.plan.source_pgh, action.spec, paths, paths.port_dir(action.spec));
  const BinaryParagraph bpgh = try_load_cached_package(paths, action.spec).get_or_throw();
  - install_package(paths, bpgh, status_db);
  + install_package(paths, bpgh, &status_db);
  System::println(System::color::success, "Package %s is installed", action.spec);
  }
  else if (action.plan.plan_type == install_plan_type::INSTALL)
  {
  - install_package(paths, *action.plan.binary_pgh, status_db);
  + install_package(paths, *action.plan.binary_pgh, &status_db);
  System::println(System::color::success, "Package %s is installed", action.spec);
  }
  else
  