{

System::print2(System::Color::error, "invalid command: ", cmd, '\n');

Help::print_usage();

Checks::exit_fail(VCPKG_LINE_INFO);

{

Metrics::g_metrics.lock()->track_property("command", args.command);

if (args.command.empty())

{

Help::print_usage();

Checks::exit_fail(VCPKG_LINE_INFO);

}

static const auto find_command = [&](auto&& commands) {

auto it = Util::find_if(commands, [&](auto&& commandc) {

return Strings::case_insensitive_ascii_equals(commandc.name, args.command);

});

using std::end;

if (it != end(commands))

{

return &*it;

}

else

return static_cast<decltype(&*it)>(nullptr);

};

if (const auto command_function = find_command(Commands::get_available_commands_type_c()))

{

return command_function->function(args);

}

fs::path vcpkg_root_dir;

if (args.vcpkg_root_dir != nullptr)

{

vcpkg_root_dir = fs::stdfs::absolute(fs::u8path(*args.vcpkg_root_dir));

}

else

{

const auto vcpkg_root_dir_env = System::get_environment_variable("VCPKG_ROOT");

if (const auto v = vcpkg_root_dir_env.get())

{

vcpkg_root_dir = fs::stdfs::absolute(*v);

}

else

{

const fs::path current_path = fs::stdfs::current_path();

vcpkg_root_dir = Files::get_real_filesystem().find_file_recursively_up(current_path, ".vcpkg-root");

if (vcpkg_root_dir.empty())

{

vcpkg_root_dir = Files::get_real_filesystem().find_file_recursively_up(

fs::stdfs::absolute(System::get_exe_path_of_current_process()), ".vcpkg-root");

}

}

}

Checks::check_exit(VCPKG_LINE_INFO, !vcpkg_root_dir.empty(), "Error: Could not detect vcpkg-root.");

Debug::print("Using vcpkg-root: ", vcpkg_root_dir.u8string(), '\n');

Optional<fs::path> vcpkg_scripts_root_dir = nullopt;

if (nullptr != args.scripts_root_dir)

{

vcpkg_scripts_root_dir = fs::stdfs::canonical(fs::u8path(*args.scripts_root_dir));

Debug::print("Using scripts-root: ", vcpkg_scripts_root_dir.value_or_exit(VCPKG_LINE_INFO).u8string(), '\n');

}

auto default_vs_path = System::get_environment_variable("VCPKG_VISUAL_STUDIO_PATH").value_or("");

const Expected<VcpkgPaths> expected_paths = VcpkgPaths::create(vcpkg_root_dir,

vcpkg_scripts_root_dir,

default_vs_path,

args.overlay_triplets.get());

Checks::check_exit(VCPKG_LINE_INFO,

!expected_paths.error(),

"Error: Invalid vcpkg root directory %s: %s",

vcpkg_root_dir.string(),

expected_paths.error().message());

const VcpkgPaths& paths = expected_paths.value_or_exit(VCPKG_LINE_INFO);

#if defined(_WIN32)

const int exit_code = _wchdir(paths.root.c_str());

#else

const int exit_code = chdir(paths.root.c_str());

#endif

Checks::check_exit(VCPKG_LINE_INFO, exit_code == 0, "Changing the working directory to the vcpkg root directory failed. Did you incorrectly define the VCPKG_ROOT environment variable, or did you mistakenly create a file named .vcpkg-root somewhere?");

if (args.command == "install" || args.command == "remove" || args.command == "export" || args.command == "update")

{

Commands::Version::warn_if_vcpkg_version_mismatch(paths);

std::string surveydate = *GlobalState::g_surveydate.lock();

auto maybe_surveydate = Chrono::CTime::parse(surveydate);

if (auto p_surveydate = maybe_surveydate.get())

{

const auto now = Chrono::CTime::get_current_date_time().value_or_exit(VCPKG_LINE_INFO);

const auto delta = now.to_time_point() - p_surveydate->to_time_point();

if (std::chrono::duration_cast<std::chrono::hours>(delta).count() > SURVEY_INTERVAL_IN_HOURS)

{

std::default_random_engine generator(

static_cast<unsigned int>(now.to_time_point().time_since_epoch().count()));

std::uniform_int_distribution<int> distribution(1, 4);

if (distribution(generator) == 1)

{

Metrics::g_metrics.lock()->track_property("surveyprompt", "true");

System::print2(

System::Color::success,

"Your feedback is important to improve Vcpkg! Please take 3 minutes to complete our survey "

"by running: vcpkg contact --survey\n");

}

}

}

}

if (const auto command_function = find_command(Commands::get_available_commands_type_b()))

{

return command_function->function(args, paths);

}

Triplet default_triplet;

if (args.triplet != nullptr)

{

default_triplet = Triplet::from_canonical_name(std::string(*args.triplet));

}

else

{

auto vcpkg_default_triplet_env = System::get_environment_variable("VCPKG_DEFAULT_TRIPLET");

if (auto v = vcpkg_default_triplet_env.get())

{

default_triplet = Triplet::from_canonical_name(std::move(*v));

}

else

{

#if defined(_WIN32)

default_triplet = Triplet::X86_WINDOWS;

#elif defined(__APPLE__)

default_triplet = Triplet::from_canonical_name("x64-osx");

#elif defined(__FreeBSD__)

default_triplet = Triplet::from_canonical_name("x64-freebsd");

#elif defined(__GLIBC__)

default_triplet = Triplet::from_canonical_name("x64-linux");

#else

default_triplet = Triplet::from_canonical_name("x64-linux-musl");

#endif

}

}

Input::check_triplet(default_triplet, paths);

if (const auto command_function = find_command(Commands::get_available_commands_type_a()))

{

return command_function->function(args, paths, default_triplet);

}

return invalid_command(args.command);

{

auto& fs = Files::get_real_filesystem();

auto config = UserConfig::try_read_data(fs);

bool write_config = false;

// config file not found, could not be read, or invalid

if (config.user_id.empty() || config.user_time.empty())

{

::vcpkg::Metrics::Metrics::init_user_information(config.user_id, config.user_time);

write_config = true;

}

#if defined(_WIN32)

if (config.user_mac.empty())

{

config.user_mac = Metrics::get_MAC_user();

write_config = true;

}

#endif

{

auto locked_metrics = Metrics::g_metrics.lock();

locked_metrics->set_user_information(config.user_id, config.user_time);

#if defined(_WIN32)

locked_metrics->track_property("user_mac", config.user_mac);

#endif

}

if (config.last_completed_survey.empty())

{

const auto now = Chrono::CTime::parse(config.user_time).value_or_exit(VCPKG_LINE_INFO);

const Chrono::CTime offset = now.add_hours(-SURVEY_INITIAL_OFFSET_IN_HOURS);

config.last_completed_survey = offset.to_string();

}

GlobalState::g_surveydate.lock()->assign(config.last_completed_survey);

if (write_config)

{

config.try_write_data(fs);

}

{

Checks::check_exit(

VCPKG_LINE_INFO, !full_command_line.empty(), "Internal failure - cannot have empty command line");

if (full_command_line[0] == '"')

{

auto it = std::find(full_command_line.cbegin() + 1, full_command_line.cend(), '"');

if (it != full_command_line.cend()) // Skip over the quote

++it;

while (it != full_command_line.cend() && *it == ' ') // Skip over a space

++it;

return std::string(it, full_command_line.cend());

}

auto it = std::find(full_command_line.cbegin(), full_command_line.cend(), ' ');

while (it != full_command_line.cend() && *it == ' ')

++it;

return std::string(it, full_command_line.cend());

#endif

{

if (argc == 0) std::abort();

*GlobalState::timer.lock() = Chrono::ElapsedTimer::create_started();

#if defined(_WIN32)

GlobalState::g_init_console_cp = GetConsoleCP();

GlobalState::g_init_console_output_cp = GetConsoleOutputCP();

GlobalState::g_init_console_initialized = true;

SetConsoleCP(CP_UTF8);

SetConsoleOutputCP(CP_UTF8);

const std::string trimmed_command_line = trim_path_from_command_line(Strings::to_utf8(GetCommandLineW()));

#endif

Checks::register_global_shutdown_handler([]() {

const auto elapsed_us_inner = GlobalState::timer.lock()->microseconds();

bool debugging = Debug::g_debugging;

auto metrics = Metrics::g_metrics.lock();

metrics->track_metric("elapsed_us", elapsed_us_inner);

Debug::g_debugging = false;

metrics->flush();

#if defined(_WIN32)

if (GlobalState::g_init_console_initialized)

{

SetConsoleCP(GlobalState::g_init_console_cp);

SetConsoleOutputCP(GlobalState::g_init_console_output_cp);

}

#endif

auto elapsed_us = GlobalState::timer.lock()->microseconds();

if (debugging)

System::printf("[DEBUG] Exiting after %d us (%d us)\n",

static_cast<int>(elapsed_us),

static_cast<int>(elapsed_us_inner));

});

{

auto locked_metrics = Metrics::g_metrics.lock();

locked_metrics->track_property("version", Commands::Version::version());

#if defined(_WIN32)

locked_metrics->track_property("cmdline", trimmed_command_line);

#endif

}

System::register_console_ctrl_handler();

load_config();

const auto vcpkg_feature_flags_env = System::get_environment_variable("VCPKG_FEATURE_FLAGS");

if (const auto v = vcpkg_feature_flags_env.get())

{

auto flags = Strings::split(*v, ",");

if (std::find(flags.begin(), flags.end(), "binarycaching") != flags.end()) GlobalState::g_binary_caching = true;

}

const VcpkgCmdArguments args = VcpkgCmdArguments::create_from_command_line(argc, argv);

if (const auto p = args.binarycaching.get()) GlobalState::g_binary_caching = *p;

if (const auto p = args.printmetrics.get()) Metrics::g_metrics.lock()->set_print_metrics(*p);

if (const auto p = args.sendmetrics.get()) Metrics::g_metrics.lock()->set_send_metrics(*p);

if (const auto p = args.debug.get()) Debug::g_debugging = *p;

if (Debug::g_debugging)

{

inner(args);

Checks::exit_fail(VCPKG_LINE_INFO);

}

std::string exc_msg;

try

{

inner(args);

Checks::exit_fail(VCPKG_LINE_INFO);

}

catch (std::exception& e)

{

exc_msg = e.what();

}

catch (...)

{

exc_msg = "unknown error(...)";

}

Metrics::g_metrics.lock()->track_property("error", exc_msg);

fflush(stdout);

System::printf("vcpkg.exe has crashed.\n"

"Please send an email to:\n"

" %s\n"

"containing a brief summary of what you were trying to do and the following data blob:\n"

"\n"

"Version=%s\n"

"EXCEPTION='%s'\n"

"CMD=\n",

Commands::Contact::email(),

Commands::Version::version(),

exc_msg);

fflush(stdout);

for (int x = 0; x < argc; ++x)

{

#if defined(_WIN32)

System::print2(Strings::to_utf8(argv[x]), "|\n");

#else

System::print2(argv[x], "|\n");

#endif

}

fflush(stdout);

// It is expected that one of the sub-commands will exit cleanly before we get here.

Checks::exit_fail(VCPKG_LINE_INFO);