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#include "LegacyUpgradeTask.h"
#include "BaseInstanceProvider.h"
#include "settings/INISettingsObject.h"
#include "FileSystem.h"
#include "NullInstance.h"
#include "pathmatcher/RegexpMatcher.h"
#include <QtConcurrentRun>
#include "LegacyInstance.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/ComponentList.h"
#include "classparser.h"
LegacyUpgradeTask::LegacyUpgradeTask(InstancePtr origInstance)
{
m_origInstance = origInstance;
}
void LegacyUpgradeTask::executeTask()
{
setStatus(tr("Copying instance %1").arg(m_origInstance->name()));
FS::copy folderCopy(m_origInstance->instanceRoot(), m_stagingPath);
folderCopy.followSymlinks(true);
m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), folderCopy);
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &LegacyUpgradeTask::copyFinished);
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &LegacyUpgradeTask::copyAborted);
m_copyFutureWatcher.setFuture(m_copyFuture);
}
static QString decideVersion(const QString& currentVersion, const QString& intendedVersion)
{
if(intendedVersion != currentVersion)
{
if(!intendedVersion.isEmpty())
{
return intendedVersion;
}
else if(!currentVersion.isEmpty())
{
return currentVersion;
}
}
else
{
if(!intendedVersion.isEmpty())
{
return intendedVersion;
}
}
return QString();
}
void LegacyUpgradeTask::copyFinished()
{
auto successful = m_copyFuture.result();
if(!successful)
{
emitFailed(tr("Instance folder copy failed."));
return;
}
auto legacyInst = std::dynamic_pointer_cast<LegacyInstance>(m_origInstance);
auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(m_stagingPath, "instance.cfg"));
instanceSettings->registerSetting("InstanceType", "Legacy");
instanceSettings->set("InstanceType", "OneSix");
// NOTE: this scope ensures the instance is fully saved before we emitSucceeded
{
MinecraftInstance inst(m_globalSettings, instanceSettings, m_stagingPath);
inst.setName(m_instName);
inst.init();
QString preferredVersionNumber = decideVersion(legacyInst->currentVersionId(), legacyInst->intendedVersionId());
if(preferredVersionNumber.isNull())
{
// try to decide version based on the jar(s?)
preferredVersionNumber = classparser::GetMinecraftJarVersion(legacyInst->baseJar());
if(preferredVersionNumber.isNull())
{
preferredVersionNumber = classparser::GetMinecraftJarVersion(legacyInst->runnableJar());
if(preferredVersionNumber.isNull())
{
emitFailed(tr("Could not decide Minecraft version."));
return;
}
}
}
auto components = inst.getComponentList();
components->buildingFromScratch();
components->setComponentVersion("net.minecraft", preferredVersionNumber, true);
QString jarPath = legacyInst->mainJarToPreserve();
if(!jarPath.isNull())
{
qDebug() << "Preserving base jar! : " << jarPath;
// FIXME: handle case when the jar is unreadable?
// TODO: check the hash, if it's the same as the upstream jar, do not do this
components->installCustomJar(jarPath);
}
auto jarMods = legacyInst->getJarMods();
for(auto & jarMod: jarMods)
{
QString modPath = jarMod.filename().absoluteFilePath();
qDebug() << "jarMod: " << modPath;
components->installJarMods({modPath});
}
// remove all the extra garbage we no longer need
auto removeAll = [&](const QString &root, const QStringList &things)
{
for(auto &thing : things)
{
auto removePath = FS::PathCombine(root, thing);
QFileInfo stat(removePath);
if(stat.isDir())
{
FS::deletePath(removePath);
}
else
{
QFile::remove(removePath);
}
}
};
QStringList rootRemovables = {"modlist", "version", "instMods"};
QStringList mcRemovables = {"bin", "MultiMCLauncher.jar", "icon.png"};
removeAll(inst.instanceRoot(), rootRemovables);
removeAll(inst.minecraftRoot(), mcRemovables);
}
emitSucceeded();
}
void LegacyUpgradeTask::copyAborted()
{
emitFailed(tr("Instance folder copy has been aborted."));
return;
}
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