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Make settings file recovery more robust

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We should not blindly remove the leftover settings file, as the following write()
operation could fail and the user would lost all settings.
We should try renaming it instead.
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Chocobo1 2018-04-23 01:53:48 +08:00 committed by sledgehammer999
parent 7d9c282db9
commit 0ede11a1b7
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1 changed files with 6 additions and 2 deletions
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8
src/base/settingsstorage.cpp
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@ -241,8 +241,12 @@ QVariantHash TransactionalSettings::read()
.arg(Utils::Fs::toNativePath(newPath)) .arg(Utils::Fs::toNativePath(newPath))
, Log::WARNING); , Log::WARNING);
Utils::Fs::forceRemove(newPath); QString finalPath = newPath;
write(res); int index = finalPath.lastIndexOf("_new", -1, Qt::CaseInsensitive);
finalPath.remove(index, 4);
Utils::Fs::forceRemove(finalPath);
QFile::rename(newPath, finalPath);
} }
else { else {
deserialize(m_name, res); deserialize(m_name, res);