63   namespace fs = std::filesystem;  in DecompressFiles()
64   for (const auto& file : fs::recursive_directory_iterator(directory)) {  in DecompressFiles()
65     fs::path src_path = file.path();  in DecompressFiles()
67       fs::path dst_path = fs::path(src_path).replace_extension();  // Remove .gz extension.  in DecompressFiles()
68       if (!fs::exists(dst_path) || fs::last_write_time(src_path) > fs::last_write_time(dst_path)) {  in DecompressFiles()
71         fs::path tmp_path = fs::path(src_path).replace_extension("." + std::to_string(getpid()));  in DecompressFiles()
80         fs::rename(tmp_path, dst_path);  in DecompressFiles()
87   namespace fs = std::filesystem;  in CreateLinks()
88   for (const auto& file : fs::recursive_directory_iterator(directory)) {  in CreateLinks()
89     fs::path src_path = file.path();  in CreateLinks()
90     if (fs::is_regular_file(src_path) && src_path.filename() == "links.txt") {  in CreateLinks()
95       fs::path parent_path = src_path.parent_path();  in CreateLinks()
109         fs::path target(parent_path);  in CreateLinks()
110         target /= fs::path(values[0]);  in CreateLinks()
111         fs::path source(parent_path);  in CreateLinks()
112         source /= fs::path(values[1]);  in CreateLinks()
113         if (!fs::exists(source)) {  in CreateLinks()
117           fs::create_symlink(target, source, ec);  in CreateLinks()