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Always migrate .csync_journal to ._sync_xxx

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This commit is contained in:
Christian Kamm 2016-11-22 14:20:08 +01:00
parent 9641c7a1e7
commit 6fe1868693
1 changed files with 24 additions and 15 deletions
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39
src/libsync/syncjournaldb.cpp
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@ -151,24 +151,33 @@ bool SyncJournalDb::checkConnect()
return false; return false;
} }
bool isNewDb = !FileSystem::fileExists( _dbFile ); const QString dir = _dbFile.left( _dbFile.lastIndexOf(QChar('/')) );
const QString oldDbName = dir + QLatin1String("/.csync_journal.db");
if( isNewDb ) { bool migrateOldDb = FileSystem::fileExists(oldDbName);
// check if there is a database with the old naming scheme. This one
// is renamed to the new name.
const QString dir = _dbFile.left( _dbFile.lastIndexOf(QChar('/')) );
const QString oldDbName = dir + QLatin1String("/.csync_journal.db");
if( FileSystem::fileExists(oldDbName) ) {
QString errString;
bool renameOk = FileSystem::rename(oldDbName, _dbFile, &errString);
if( !renameOk ) { // Whenever there is an old db file, migrate it to the new db path.
qDebug() << "Database migration failed:" << errString; // This is done to make switching from older versions to newer versions
} else { // work correctly even if the user had previously used a new version
qDebug() << "Journal successfully migrated from" << oldDbName << "to" << _dbFile; // and therefore already has an (outdated) new-style db file.
isNewDb = false; if( migrateOldDb ) {
QString error;
if( FileSystem::fileExists( _dbFile ) ) {
if( !FileSystem::remove(_dbFile, &error) ) {
qDebug() << "Database migration: Could not remove db file" << _dbFile
<< "due to" << error;
return false;
} }
} }
if( !FileSystem::rename(oldDbName, _dbFile, &error) ) {
qDebug() << "Database migration: could not rename " << oldDbName
<< "to" << _dbFile << ":" << error;
return false;
}
qDebug() << "Journal successfully migrated from" << oldDbName << "to" << _dbFile;
} }
// The database file is created by this call (SQLITE_OPEN_CREATE) // The database file is created by this call (SQLITE_OPEN_CREATE)
@ -344,7 +353,7 @@ bool SyncJournalDb::checkConnect()
SqlQuery versionQuery("SELECT major, minor, patch FROM version;", _db); SqlQuery versionQuery("SELECT major, minor, patch FROM version;", _db);
if (!versionQuery.next()) { if (!versionQuery.next()) {
// If there was no entry in the table, it means we are likely upgrading from 1.5 // If there was no entry in the table, it means we are likely upgrading from 1.5
if (!isNewDb) { if (migrateOldDb) {
qDebug() << Q_FUNC_INFO << "possibleUpgradeFromMirall_1_5 detected!"; qDebug() << Q_FUNC_INFO << "possibleUpgradeFromMirall_1_5 detected!";
forceRemoteDiscovery = true; forceRemoteDiscovery = true;
} }