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Use binary streams to make DB backups, since filesystem has low compat

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Gent S 2020-12-20 15:52:34 -05:00
parent 2e173df2ca
commit ea12ec9607
1 changed files with 7 additions and 9 deletions
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16
src/Database.cpp
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@ -16,7 +16,6 @@
#include <iostream> #include <iostream>
#include <fstream> #include <fstream>
#include <sstream> #include <sstream>
#include <filesystem>
#if defined(__MINGW32__) && !defined(_GLIBCXX_HAS_GTHREADS) #if defined(__MINGW32__) && !defined(_GLIBCXX_HAS_GTHREADS)
#include "mingw/mingw.mutex.h" #include "mingw/mingw.mutex.h"
@ -137,14 +136,13 @@ void Database::checkMetaTable() {
exit(1); exit(1);
} else if (dbVersion < DATABASE_VERSION) { } else if (dbVersion < DATABASE_VERSION) {
// we're gonna migrate; back up the DB // we're gonna migrate; back up the DB
try { std::cout << "[INFO] Backing up database" << std::endl;
std::cout << "[INFO] Backing up database" << std::endl; // copy db file over using binary streams
std::filesystem::copy_file(settings::DBPATH, settings::DBPATH + ".old." + std::to_string(dbVersion)); std::ifstream src(settings::DBPATH, std::ios::binary);
} std::ofstream dst(settings::DBPATH + ".old." + std::to_string(dbVersion), std::ios::binary);
catch (std::filesystem::filesystem_error& e) { dst << src.rdbuf();
std::cout << "[FATAL] Failed to backup database before migration" << std::endl; src.close();
exit(1); dst.close();
}
} }
while (dbVersion != DATABASE_VERSION) { while (dbVersion != DATABASE_VERSION) {