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misc.cpp

75. constexpr std::string_view version = "dev";
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154.std::string engine_info(bool to_uci) {
  std::stringstream ss;
  ss << "Stockfish " << version << std::setfill('0');

  if constexpr (version == "dev")
  {
      ss << "-";
      #ifdef GIT_DATE
      ss << stringify(GIT_DATE);
      #else
      constexpr std::string_view months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
      std::string month, day, year;
      std::stringstream date(__DATE__); // From compiler, format is "Sep 21 2008"

      date >> month >> day >> year;
      ss << year << std::setw(2) << std::setfill('0') << (1 + months.find(month) / 4) << std::setw(2) << std::setfill('0') << day;
      #endif

      ss << "-";

      #ifdef GIT_SHA
      ss << stringify(GIT_SHA);
      #else
      ss << "nogit";
      #endif
  }

  ss << (to_uci  ? "\nid author ": " by ")
     << "the Stockfish developers (see AUTHORS file)";

  return ss.str();