static StatusParagraphs load_current_database(Files::Filesystem& fs, const fs::path& vcpkg_dir_status_file, const fs::path& vcpkg_dir_status_file_old) { if (!fs.exists(vcpkg_dir_status_file)) { if (!fs.exists(vcpkg_dir_status_file_old)) { // no status file, use empty db return StatusParagraphs(); } fs.rename(vcpkg_dir_status_file_old, vcpkg_dir_status_file); } auto pghs = Paragraphs::get_paragraphs(fs, vcpkg_dir_status_file).value_or_exit(VCPKG_LINE_INFO); std::vector<std::unique_ptr<StatusParagraph>> status_pghs; for (auto&& p : pghs) { status_pghs.push_back(std::make_unique<StatusParagraph>(std::move(p))); } return StatusParagraphs(std::move(status_pghs)); }
static void upgrade_to_slash_terminated_sorted_format(Files::Filesystem& fs, std::vector<std::string>* lines, const fs::path& listfile_path) { static bool was_tracked = false; if (lines->empty()) { return; } if (lines->at(0).back() == '/') { return; // File already in the new format } if (!was_tracked) { was_tracked = true; Metrics::track_property("listfile", "update to new format"); } // The files are sorted such that directories are placed just before the files they contain // (They are not necessarily sorted alphabetically, e.g. libflac) // Therefore we can detect the entries that represent directories by comparing every element with the next one // and checking if the next has a slash immediately after the current one's length for (size_t i = 0; i < lines->size() - 1; i++) { std::string& current_string = lines->at(i); const std::string& next_string = lines->at(i + 1); const size_t potential_slash_char_index = current_string.length(); // Make sure the index exists first if (next_string.size() > potential_slash_char_index && next_string.at(potential_slash_char_index) == '/') { current_string += '/'; // Mark as a directory } } // After suffixing the directories with a slash, we can now sort. // We cannot sort before adding the suffixes because the following (actual example): /* x86-windows/include/FLAC <<<<<< This would be separated from its group due to sorting x86-windows/include/FLAC/all.h x86-windows/include/FLAC/assert.h x86-windows/include/FLAC/callback.h x86-windows/include/FLAC++ x86-windows/include/FLAC++/all.h x86-windows/include/FLAC++/decoder.h x86-windows/include/FLAC++/encoder.h * x86-windows/include/FLAC/ <<<<<< This will now be kept with its group when sorting x86-windows/include/FLAC/all.h x86-windows/include/FLAC/assert.h x86-windows/include/FLAC/callback.h x86-windows/include/FLAC++/ x86-windows/include/FLAC++/all.h x86-windows/include/FLAC++/decoder.h x86-windows/include/FLAC++/encoder.h */ // Note that after sorting, the FLAC++/ group will be placed before the FLAC/ group // The new format is lexicographically sorted std::sort(lines->begin(), lines->end()); // Replace the listfile on disk const fs::path updated_listfile_path = listfile_path.generic_string() + "_updated"; fs.write_lines(updated_listfile_path, *lines); fs.rename(updated_listfile_path, listfile_path); }