Method ExecuteUpdate

Source/CTest/cmCTestUpdateCommand.cxx:142–315

} // namespace

bool cmCTestUpdateCommand::ExecuteUpdate(UpdateArguments& args,
                                         cmExecutionStatus& status) const
{
  cmMakefile& mf = status.GetMakefile();

  std::string const& source_dir = !args.Source.empty()
    ? args.Source
    : mf.GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
  if (source_dir.empty()) {
    status.SetError("called with no source directory specified. "
                    "Use SOURCE argument or set CTEST_SOURCE_DIRECTORY.");
    return false;
  }

  std::string const currentTag = this->CTest->GetCurrentTag();
  if (currentTag.empty()) {
    status.SetError("called with no current tag.");
    return false;
  }

  // Detect the VCS managing the source tree.
  int updateType = DetectVCS(source_dir);

  // Get update command
  std::string updateCommand = mf.GetSafeDefinition("CTEST_UPDATE_COMMAND");

  if (updateType == e_UNKNOWN && !updateCommand.empty()) {
    updateType = DetermineType(updateCommand);
  }
  if (updateType == e_UNKNOWN) {
    updateType = DetermineType(mf.GetSafeDefinition("CTEST_UPDATE_TYPE"));
  }

  // If no update command was specified, lookup one for this VCS tool.
  if (updateCommand.empty()) {
    char const* key = TypeToCommandKey(updateType);
    if (key) {
      updateCommand = mf.GetSafeDefinition(key);
    }

    if (updateCommand.empty()) {
      std::ostringstream e;
      e << "called with no update command specified. "
           "Please set CTEST_UPDATE_COMMAND";
      if (key) {
        e << " or " << key;
      }
      e << '.';
      status.SetError(e.str());
      return false;
    }
  }

  cmGeneratedFileStream ofs;
  if (!this->CTest->GetShowOnly()) {
    std::string logFile = cmStrCat("LastUpdate_", currentTag, ".log");
    if (!this->CTest->OpenOutputFile("Temporary", logFile, ofs)) {
      status.SetError(cmStrCat("cannot create log file: ", logFile));