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-rw-r--r--src/qt/optionsmodel.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
index e9960a01b1..feb00a33b0 100644
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -151,10 +151,32 @@ void OptionsModel::Init(bool resetSettings)
language = settings.value("language").toString();
}
+/** Helper function to copy contents from one QSettings to another.
+ * By using allKeys this also covers nested settings in a hierarchy.
+ */
+static void CopySettings(QSettings& dst, const QSettings& src)
+{
+ for (const QString& key : src.allKeys()) {
+ dst.setValue(key, src.value(key));
+ }
+}
+
+/** Back up a QSettings to an ini-formatted file. */
+static void BackupSettings(const fs::path& filename, const QSettings& src)
+{
+ qWarning() << "Backing up GUI settings to" << GUIUtil::boostPathToQString(filename);
+ QSettings dst(GUIUtil::boostPathToQString(filename), QSettings::IniFormat);
+ dst.clear();
+ CopySettings(dst, src);
+}
+
void OptionsModel::Reset()
{
QSettings settings;
+ // Backup old settings to chain-specific datadir for troubleshooting
+ BackupSettings(GetDataDir(true) / "guisettings.ini.bak", settings);
+
// Save the strDataDir setting
QString dataDir = Intro::getDefaultDataDirectory();
dataDir = settings.value("strDataDir", dataDir).toString();