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Alternate method of VM cloning

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This commit is contained in:
Cacodemon345
2025-08-10 00:44:03 +06:00
parent f486e905a1
commit d279a6e36d
1 changed files with 54 additions and 14 deletions
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68
src/qt/qt_vmmanager_main.cpp
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@@ -27,7 +27,6 @@
#include <QTimer>
#include <QProgressDialog>
#include <filesystem>
#include <thread>
#include <atomic>
@@ -36,6 +35,54 @@
#include "qt_vmmanager_model.hpp"
#include "qt_vmmanager_addmachine.hpp"
// https://stackoverflow.com/a/36460740
bool copyPath(QString sourceDir, QString destinationDir, bool overWriteDirectory)
{
QDir originDirectory(sourceDir);
if (! originDirectory.exists())
{
return false;
}
QDir destinationDirectory(destinationDir);
if(destinationDirectory.exists() && !overWriteDirectory)
{
return false;
}
else if(destinationDirectory.exists() && overWriteDirectory)
{
destinationDirectory.removeRecursively();
}
originDirectory.mkpath(destinationDir);
foreach (QString directoryName, originDirectory.entryList(QDir::Dirs | \
QDir::NoDotAndDotDot))
{
QString destinationPath = destinationDir + "/" + directoryName;
originDirectory.mkpath(destinationPath);
copyPath(sourceDir + "/" + directoryName, destinationPath, overWriteDirectory);
}
foreach (QString fileName, originDirectory.entryList(QDir::Files))
{
QFile::copy(sourceDir + "/" + fileName, destinationDir + "/" + fileName);
}
/*! Possible race-condition mitigation? */
QDir finalDestination(destinationDir);
finalDestination.refresh();
if(finalDestination.exists())
{
return true;
}
return false;
}
VMManagerMain::VMManagerMain(QWidget *parent) :
QWidget(parent), ui(new Ui::VMManagerMain), selected_sysconfig(new VMManagerSystem) {
ui->setupUi(this);
@@ -187,18 +234,11 @@ illegal_chars:
progDialog->setAttribute(Qt::WA_DeleteOnClose, true);
progDialog->setValue(0);
progDialog->show();
#ifdef _WIN32
std::filesystem::path srcPath(selected_sysconfig->config_dir.toStdWString().c_str());
std::filesystem::path dstPath(vmDir.toStdWString().c_str());
#else
std::filesystem::path srcPath(selected_sysconfig->config_dir.toUtf8().data());
std::filesystem::path dstPath(vmDir.toUtf8().data());
#endif
QString srcPath = selected_sysconfig->config_dir;
QString dstPath = vmDir;
std::thread copyThread([this, &finished, srcPath, dstPath, &errCode] {
std::error_code code;
code.clear();
std::filesystem::copy(srcPath, dstPath, std::filesystem::copy_options::update_existing | std::filesystem::copy_options::recursive, code);
errCode = code.value();
errCode = copyPath(srcPath, dstPath, true);
finished = true;
});
while (!finished) {
@@ -207,7 +247,7 @@ illegal_chars:
copyThread.join();
progDialog->close();
if (errCode) {
std::filesystem::remove_all(dstPath);
QDir(dstPath).removeRecursively();
QMessageBox::critical(this, tr("Clone"), tr("Failed to clone VM: %1").arg(errCode), QMessageBox::Ok);
return;
}
@@ -228,7 +268,7 @@ illegal_chars:
const QModelIndex mapped_index = proxy_model->mapFromSource(created_object);
ui->listView->setCurrentIndex(mapped_index);
} else {
std::filesystem::remove_all(dstPath);
QDir(dstPath).removeRecursively();
QMessageBox::critical(this, tr("Clone"), tr("Failed to clone VM for an unknown reason."), QMessageBox::Ok);
return;
}