Backup dialog: check if the backup file already exists.

Give the user a chance to cancel the backup if the selected file already
exists. Since the filename is automatically generated from the installation
version information this can happen when trying to create a second backup of
the installation.

Change-Id: Iee34e576c4b3b94a4ccf99836741806b52a8affd

1 files changed, 7 insertions, 0 deletions

diff --git a/rbutil/rbutilqt/gui/backupdialog.cpp b/rbutil/rbutilqt/gui/backupdialog.cpp
index 5d04b322ed..a6895dac2b 100644
--- a/rbutil/rbutilqt/gui/backupdialog.cpp
+++ b/rbutil/rbutilqt/gui/backupdialog.cpp
@@ -108,6 +108,13 @@ void BackupDialog::updateSizeInfo(void)
 
 void BackupDialog::backup(void)
 {
+    if(QFileInfo(m_backupName).isFile()) {
+        if(QMessageBox::warning(this, tr("File exists"),
+                tr("The selected backup file already exists. Overwrite?"),
+                QMessageBox::Yes | QMessageBox::No) == QMessageBox::No) {
+            return;
+        }
+    }
     m_logger = new ProgressLoggerGui(this);
     connect(m_logger, SIGNAL(closed()), this, SLOT(close()));
     m_logger->show();