void download_file(vcpkg::Files::Filesystem& fs,
const std::string& url,
const fs::path& download_path,
const std::string& sha512)
{
const std::string download_path_part = download_path.u8string() + ".part";
std::error_code ec;
fs.remove(download_path, ec);
fs.remove(download_path_part, ec);
#if defined(_WIN32)
auto url_no_proto = url.substr(8); // drop https://
auto path_begin = Util::find(url_no_proto, '/');
std::string hostname(url_no_proto.begin(), path_begin);
std::string path(path_begin, url_no_proto.end());
winhttp_download_file(fs, download_path_part.c_str(), hostname, path);
#else
const auto code = System::cmd_execute(
Strings::format(R"(curl -L '%s' --create-dirs --output '%s')", url, download_path_part));
Checks::check_exit(VCPKG_LINE_INFO, code == 0, "Could not download %s", url);
#endif
verify_downloaded_file_hash(fs, url, download_path_part, sha512);
fs.rename(download_path_part, download_path, ec);
Checks::check_exit(VCPKG_LINE_INFO,
!ec,
"Failed to do post-download rename-in-place.\n"
"fs.rename(%s, %s, %s)",
download_path_part,
download_path.u8string(),
ec.message());
}
static LintStatus check_lib_files_are_available_if_dlls_are_available(const Build::BuildPolicies& policies,
const size_t lib_count,
const size_t dll_count,
const fs::path& lib_dir)
{
if (policies.is_enabled(BuildPolicy::DLLS_WITHOUT_LIBS)) return LintStatus::SUCCESS;
if (lib_count == 0 && dll_count != 0)
{
System::println(System::Color::warning, "Import libs were not present in %s", lib_dir.u8string());
System::println(System::Color::warning,
"If this is intended, add the following line in the portfile:\n"
" SET(%s enabled)",
to_cmake_variable(BuildPolicy::DLLS_WITHOUT_LIBS));
return LintStatus::ERROR_DETECTED;
}
return LintStatus::SUCCESS;
}
std::string get_file_hash(const Files::Filesystem& fs, const fs::path& path, const std::string& hash_type)
{
const std::string digest_size = get_digest_size(hash_type);
Checks::check_exit(VCPKG_LINE_INFO, fs.exists(path), "File %s does not exist", path.u8string());
// Try hash-specific tools, like sha512sum
{
const auto ec_data = System::cmd_execute_and_capture_output(
Strings::format(R"(sha%ssum "%s")", digest_size, path.u8string()));
if (ec_data.exit_code == 0)
{
return parse_shasum_output(ec_data.output);
}
}
// Try shasum
{
const auto ec_data = System::cmd_execute_and_capture_output(
Strings::format(R"(shasum -a %s "%s")", digest_size, path.u8string()));
if (ec_data.exit_code == 0)
{
return parse_shasum_output(ec_data.output);
}
}
Checks::exit_with_message(VCPKG_LINE_INFO, "Could not hash file %s with %s", path.u8string(), hash_type);
}
std::string get_string_hash(const std::string& s, const std::string& hash_type)
{
const std::string digest_size = get_digest_size(hash_type);
verify_has_only_allowed_chars(s);
// Try hash-specific tools, like sha512sum
{
const auto ec_data =
System::cmd_execute_and_capture_output(Strings::format(R"(echo -n "%s" | sha%ssum)", s, digest_size));
if (ec_data.exit_code == 0)
{
return parse_shasum_output(ec_data.output);
}
}
// Try shasum
{
const auto ec_data = System::cmd_execute_and_capture_output(
Strings::format(R"(echo -n "%s" | shasum -a %s)", s, digest_size));
if (ec_data.exit_code == 0)
{
return parse_shasum_output(ec_data.output);
}
}
Checks::exit_with_message(VCPKG_LINE_INFO, "Could not hash input string with %s", hash_type);
}
#endif
}
std::string get_file_hash(const Files::Filesystem& fs, const fs::path& path, const std::string& hash_type)
{
Checks::check_exit(VCPKG_LINE_INFO, fs.exists(path), "File %s does not exist", path.u8string());
return BCryptHasher{hash_type}.hash_file(path);
}