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Delete maximum rolling backup file if it exists before rolling backup

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This commit is contained in:
David Rowe 2015-06-18 17:39:31 -07:00
parent bd25d6b78b
commit 709508857c
1 changed files with 13 additions and 0 deletions
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13
libraries/octree/src/OctreePersistThread.cpp
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@ -350,6 +350,19 @@ void OctreePersistThread::rollOldBackupVersions(const BackupRule& rule) {
if (rule.extensionFormat.contains("%N")) {
if (rule.maxBackupVersions > 0) {
qCDebug(octree) << "Rolling old backup versions for rule" << rule.name << "...";
// Delete maximum rolling file because rename() fails on Windows if target exists
QString backupMaxExtensionN = rule.extensionFormat;
backupMaxExtensionN.replace(QString("%N"), QString::number(rule.maxBackupVersions));
QString backupMaxFilenameN = _filename + backupMaxExtensionN;
QFile backupMaxFileN(backupMaxFilenameN);
if (backupMaxFileN.exists()) {
int result = remove(qPrintable(backupMaxFilenameN));
if (result != 0) {
qCDebug(octree) << "ERROR deleting old backup file " << backupMaxFilenameN;
}
}
for(int n = rule.maxBackupVersions - 1; n > 0; n--) {
QString backupExtensionN = rule.extensionFormat;
QString backupExtensionNplusOne = rule.extensionFormat;