static void loadExcludes(std::set<std::string> & x, const bf::path & ePath)
{
using namespace bf;
if (!exists(ePath))
throw std::logic_error(fmt::format("exclude file list path doesn't exists '{}'", ePath.string()));
std::ifstream f( ePath.c_str() );
if (!f.is_open())
throw std::logic_error(fmt::format("error while opening exclude list file '{}'", ePath.string()));
std::string line;
while(getline(f, line)) {
line = boost::trim_copy(line);
if (line.empty()) continue;
x.insert(line);
}
if (f.bad())
throw std::logic_error(fmt::format("error while reading exclude list file '{}'", ePath.string()));
}
~download_content()
{
if (local_file_!=target_file_ && delete_temp_file_)
unlink(local_file_.c_str());
}