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-rw-r--r--launcher/Application.cpp99
-rw-r--r--launcher/Application.h1
-rw-r--r--launcher/CMakeLists.txt2
-rw-r--r--launcher/DataMigrationTask.cpp79
-rw-r--r--launcher/DataMigrationTask.h38
5 files changed, 219 insertions, 0 deletions
diff --git a/launcher/Application.cpp b/launcher/Application.cpp
index e2fdcd63..2a7d6f22 100644
--- a/launcher/Application.cpp
+++ b/launcher/Application.cpp
@@ -38,10 +38,14 @@
#include "Application.h"
#include "BuildConfig.h"
+#include "DataMigrationTask.h"
#include "net/PasteUpload.h"
+#include "pathmatcher/MultiMatcher.h"
+#include "pathmatcher/SimplePrefixMatcher.h"
#include "ui/MainWindow.h"
#include "ui/InstanceWindow.h"
+#include "ui/dialogs/ProgressDialog.h"
#include "ui/instanceview/AccessibleInstanceView.h"
#include "ui/pages/BasePageProvider.h"
@@ -424,6 +428,15 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
}
{
+ bool migrated = false;
+
+ if (!migrated)
+ migrated = handleDataMigration(dataPath, FS::PathCombine(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation), "../../PolyMC"), "PolyMC", "polymc.cfg");
+ if (!migrated)
+ migrated = handleDataMigration(dataPath, FS::PathCombine(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation), "../../multimc"), "MultiMC", "multimc.cfg");
+ }
+
+ {
qDebug() << BuildConfig.LAUNCHER_DISPLAYNAME << ", (c) 2013-2021 " << BuildConfig.LAUNCHER_COPYRIGHT;
qDebug() << "Version : " << BuildConfig.printableVersionString();
@@ -1589,3 +1602,89 @@ int Application::suitableMaxMem()
return maxMemoryAlloc;
}
+
+bool Application::handleDataMigration(const QString& currentData,
+ const QString& oldData,
+ const QString& name,
+ const QString& configFile) const
+{
+ QString nomigratePath = FS::PathCombine(oldData, BuildConfig.LAUNCHER_NAME + "_nomigrate.txt");
+ QStringList configPaths = { FS::PathCombine(oldData, configFile), FS::PathCombine(oldData, BuildConfig.LAUNCHER_CONFIGFILE) };
+
+ QDir dir; // helper for QDir::exists
+ QLocale locale;
+
+ // Is there a valid config at the old location?
+ bool configExists = false;
+ for (QString configPath : configPaths) {
+ configExists |= QFileInfo::exists(configPath);
+ }
+
+ if (!configExists || QFileInfo::exists(nomigratePath)) {
+ qDebug() << "<> No migration needed from" << name;
+ return false;
+ }
+
+ QString message;
+ bool currentExists = QFileInfo::exists(FS::PathCombine(currentData, BuildConfig.LAUNCHER_CONFIGFILE));
+
+ if (currentExists) {
+ message = tr("Old data from %1 was found, but you already have existing data for %2. Sadly you will need to migrate yourself. Do "
+ "you want to be reminded of the pending data migration next time you start %2?")
+ .arg(name, BuildConfig.LAUNCHER_DISPLAYNAME);
+ } else {
+ message = tr("It looks like you used %1 before. Do you want to migrate your data to the new location of %2?")
+ .arg(name, BuildConfig.LAUNCHER_DISPLAYNAME);
+
+ QFileInfo logInfo(FS::PathCombine(oldData, name + "-0.log"));
+ if (logInfo.exists()) {
+ QString lastModified = logInfo.lastModified().toString(locale.dateFormat());
+ message = tr("It looks like you used %1 on %2 before. Do you want to migrate your data to the new location of %3?")
+ .arg(name, lastModified, BuildConfig.LAUNCHER_DISPLAYNAME);
+ }
+ }
+
+ QMessageBox::StandardButton askMoveDialogue =
+ QMessageBox::question(nullptr, BuildConfig.LAUNCHER_DISPLAYNAME, message, QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
+
+ auto setDoNotMigrate = [&nomigratePath] {
+ QFile file(nomigratePath);
+ file.open(QIODevice::WriteOnly);
+ };
+
+ // create no-migrate file if user doesn't want to migrate
+ if (askMoveDialogue != QMessageBox::Yes) {
+ qDebug() << "<> Migration declined for" << name;
+ setDoNotMigrate();
+ return currentExists; // cancel further migrations, if we already have a data directory
+ }
+
+ if (!currentExists) {
+ // Migrate!
+ auto matcher = std::make_shared<MultiMatcher>();
+ matcher->add(std::make_shared<SimplePrefixMatcher>(configFile));
+ matcher->add(std::make_shared<SimplePrefixMatcher>(
+ BuildConfig.LAUNCHER_CONFIGFILE)); // it's possible that we already used that directory before
+ matcher->add(std::make_shared<SimplePrefixMatcher>("accounts.json"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("accounts/"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("assets/"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("icons/"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("instances/"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("libraries/"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("mods/"));
+ matcher->add(std::make_shared<SimplePrefixMatcher>("themes/"));
+
+ ProgressDialog diag = ProgressDialog();
+ DataMigrationTask task(nullptr, oldData, currentData, matcher);
+ if (diag.execWithTask(&task)) {
+ qDebug() << "<> Migration succeeded";
+ setDoNotMigrate();
+ } else {
+ QString reason = task.failReason();
+ QMessageBox::critical(nullptr, BuildConfig.LAUNCHER_DISPLAYNAME, tr("Migration failed! Reason: %1").arg(reason));
+ }
+ } else {
+ qWarning() << "<> Migration was skipped, due to existing data";
+ }
+ return true;
+}
diff --git a/launcher/Application.h b/launcher/Application.h
index 4c2f62d4..7884227a 100644
--- a/launcher/Application.h
+++ b/launcher/Application.h
@@ -231,6 +231,7 @@ private slots:
void setupWizardFinished(int status);
private:
+ bool handleDataMigration(const QString & currentData, const QString & oldData, const QString & name, const QString & configFile) const;
bool createSetupWizard();
void performMainStartupAction();
diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index 45d197ef..7a577935 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -576,6 +576,8 @@ SET(LAUNCHER_SOURCES
# Application base
Application.h
Application.cpp
+ DataMigrationTask.h
+ DataMigrationTask.cpp
UpdateController.cpp
UpdateController.h
ApplicationMessage.h
diff --git a/launcher/DataMigrationTask.cpp b/launcher/DataMigrationTask.cpp
new file mode 100644
index 00000000..8e7f4579
--- /dev/null
+++ b/launcher/DataMigrationTask.cpp
@@ -0,0 +1,79 @@
+#include "DataMigrationTask.h"
+
+#include "FileSystem.h"
+
+#include <QDirIterator>
+#include <QFileInfo>
+#include <QMap>
+
+#include <QtConcurrent>
+
+DataMigrationTask::DataMigrationTask(QObject* parent,
+ const QString& sourcePath,
+ const QString& targetPath,
+ const IPathMatcher::Ptr pathMatcher)
+ : Task(parent), m_sourcePath(sourcePath), m_targetPath(targetPath), m_pathMatcher(pathMatcher), m_copy(sourcePath, targetPath)
+{
+ m_copy.matcher(m_pathMatcher.get()).whitelist(true);
+}
+
+void DataMigrationTask::executeTask()
+{
+ setStatus(tr("Scanning files..."));
+
+ // 1. Scan
+ // Check how many files we gotta copy
+ m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), [&] {
+ return m_copy(true); // dry run to collect amount of files
+ });
+ connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::dryRunFinished);
+ connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::dryRunAborted);
+ m_copyFutureWatcher.setFuture(m_copyFuture);
+}
+
+void DataMigrationTask::dryRunFinished()
+{
+ disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::dryRunFinished);
+ disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::dryRunAborted);
+
+ if (!m_copyFuture.result()) {
+ emitFailed("Some error"); // FIXME
+ return;
+ }
+
+ setStatus(tr("Migrating..."));
+
+ // 2. Copy
+ // Actually copy all files now.
+ m_toCopy = m_copy.totalCopied();
+ connect(&m_copy, &FS::copy::fileCopied, [&, this] { setProgress(m_copy.totalCopied(), m_toCopy); });
+ m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), [&] {
+ return m_copy(false); // actually copy now
+ });
+ connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::copyFinished);
+ connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::copyAborted);
+ m_copyFutureWatcher.setFuture(m_copyFuture);
+}
+
+void DataMigrationTask::dryRunAborted()
+{
+ emitFailed(tr("Aborted"));
+}
+
+void DataMigrationTask::copyFinished()
+{
+ disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::copyFinished);
+ disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::copyAborted);
+
+ if (!m_copyFuture.result()) {
+ emitFailed("Some paths could not be copied!");
+ return;
+ }
+
+ emitSucceeded();
+}
+
+void DataMigrationTask::copyAborted()
+{
+ emitFailed(tr("Aborted"));
+}
diff --git a/launcher/DataMigrationTask.h b/launcher/DataMigrationTask.h
new file mode 100644
index 00000000..105a9493
--- /dev/null
+++ b/launcher/DataMigrationTask.h
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "FileSystem.h"
+#include "pathmatcher/IPathMatcher.h"
+#include "tasks/Task.h"
+
+#include <QFuture>
+#include <QFutureWatcher>
+
+/*
+ * Migrate existing data from other MMC-like launchers.
+ */
+
+class DataMigrationTask : public Task {
+ Q_OBJECT
+ public:
+ explicit DataMigrationTask(QObject* parent, const QString& sourcePath, const QString& targetPath, const IPathMatcher::Ptr pathmatcher);
+ ~DataMigrationTask() override = default;
+
+ protected:
+ virtual void executeTask() override;
+
+ protected slots:
+ void dryRunFinished();
+ void dryRunAborted();
+ void copyFinished();
+ void copyAborted();
+
+ private:
+ const QString& m_sourcePath;
+ const QString& m_targetPath;
+ const IPathMatcher::Ptr m_pathMatcher;
+
+ FS::copy m_copy;
+ int m_toCopy = 0;
+ QFuture<bool> m_copyFuture;
+ QFutureWatcher<bool> m_copyFutureWatcher;
+};