Function EmptyBinaryDirectory

Source/CTest/cmCTestEmptyBinaryDirectoryCommand.cxx:52–84

* Empty Binary Directory */

 * Empty Binary Directory
 */
bool EmptyBinaryDirectory(std::string const& sname, std::string& err)
{
  // try to avoid deleting root
  if (sname.size() < 2) {
    err = "path too short";
    return false;
  }

  // consider non existing target directory a success
  if (!cmSystemTools::FileExists(sname)) {
    return true;
  }

  // try to avoid deleting directories that we shouldn't
  std::string check = cmStrCat(sname, "/CMakeCache.txt");

  if (!cmSystemTools::FileExists(check)) {
    err = "path does not contain an existing CMakeCache.txt file";
    return false;
  }

  cmsys::Status status;
  for (int i = 0; i < 5; ++i) {
    status = TryToRemoveBinaryDirectoryOnce(sname);
    if (status) {
      return true;
    }
    cmSystemTools::Delay(100);
  }

  err = status.GetString();
  return false;
}

} // namespace