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Merge pull request #243 from Scrumplex/migration-dialog

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Closes https://github.com/PrismLauncher/PrismLauncher/issues/46
Closes https://github.com/PrismLauncher/PrismLauncher/issues/204
This commit is contained in:
Sefa Eyeoglu
2022-11-21 12:14:49 +01:00
committed by GitHub
parent 30607c34a1 fe94c3609e
commit c74f852364
11 changed files with 341 additions and 33 deletions
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119
launcher/Application.cpp
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@ -1,4 +1,7 @@
// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2022 Sefa Eyeoglu <contact@scrumplex.net>
//
// SPDX-License-Identifier: GPL-3.0-only AND Apache-2.0
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
@ -38,10 +41,14 @@
#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"
@ -301,22 +308,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
dataPath = foo.absolutePath();
adjustedBy = "Persistent data path";
QDir polymcData(FS::PathCombine(QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation), "PolyMC"));
if (polymcData.exists()) {
dataPath = polymcData.absolutePath();
adjustedBy = "PolyMC data path";
}
#ifdef Q_OS_LINUX
// TODO: this should be removed in a future version
// TODO: provide a migration path similar to macOS migration
QDir bar(FS::PathCombine(QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation), "polymc"));
if (bar.exists()) {
dataPath = bar.absolutePath();
adjustedBy = "Legacy data path";
}
#endif
#ifndef Q_OS_MACOS
if (QFile::exists(FS::PathCombine(m_rootPath, "portable.txt"))) {
dataPath = m_rootPath;
@ -439,6 +430,15 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
qDebug() << "<> Log initialized.";
}
{
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;
@ -1605,3 +1605,88 @@ 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(currentData, name + "_nomigrate.txt");
QStringList configPaths = { FS::PathCombine(oldData, configFile), FS::PathCombine(oldData, BuildConfig.LAUNCHER_CONFIGFILE) };
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;
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;
}