diff options
Diffstat (limited to 'launcher/Application.cpp')
| -rw-r--r-- | launcher/Application.cpp | 119 |
1 files changed, 102 insertions, 17 deletions
diff --git a/launcher/Application.cpp b/launcher/Application.cpp index 883f8968..ea8d2326 100644 --- a/launcher/Application.cpp +++ b/launcher/Application.cpp @@ -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; @@ -440,6 +431,15 @@ 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(); @@ -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; +} |