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Save to canonical path when dealing with symlinks

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This commit is contained in:
Gianluca Recchia 2019-08-21 21:01:12 +02:00 committed by Jonathan White
parent 2aac83d03b
commit c12fd369d9
1 changed files with 7 additions and 5 deletions
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12
src/core/Database.cpp
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@ -211,6 +211,8 @@ bool Database::save(const QString& filePath, QString* error, bool atomic, bool b
return false;
}
auto& canonicalFilePath = QFileInfo::exists(filePath) ? QFileInfo(filePath).canonicalFilePath() : filePath;
if (atomic) {
QSaveFile saveFile(filePath);
if (saveFile.open(QIODevice::WriteOnly)) {
@ -220,7 +222,7 @@ bool Database::save(const QString& filePath, QString* error, bool atomic, bool b
}
if (backup) {
backupDatabase(filePath);
backupDatabase(canonicalFilePath);
}
if (saveFile.commit()) {
@ -244,21 +246,21 @@ bool Database::save(const QString& filePath, QString* error, bool atomic, bool b
tempFile.close(); // flush to disk
if (backup) {
backupDatabase(filePath);
backupDatabase(canonicalFilePath);
}
// Delete the original db and move the temp file in place
QFile::remove(filePath);
QFile::remove(canonicalFilePath);
// Note: call into the QFile rename instead of QTemporaryFile
// due to an undocumented difference in how the function handles
// errors. This prevents errors when saving across file systems.
if (tempFile.QFile::rename(filePath)) {
if (tempFile.QFile::rename(canonicalFilePath)) {
// successfully saved the database
tempFile.setAutoRemove(false);
setFilePath(filePath);
return true;
} else if (!backup || !restoreDatabase(filePath)) {
} else if (!backup || !restoreDatabase(canonicalFilePath)) {
// Failed to copy new database in place, and
// failed to restore from backup or backups disabled
tempFile.setAutoRemove(false);