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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "PreLaunchCommand.h"
#include <launch/LaunchTask.h>
PreLaunchCommand::PreLaunchCommand(LaunchTask* parent) : LaunchStep(parent)
{
auto instance = m_parent->instance();
m_command = instance->getPreLaunchCommand();
m_process.setProcessEnvironment(instance->createEnvironment());
connect(&m_process, &LoggedProcess::log, this, &PreLaunchCommand::logLines);
connect(&m_process, &LoggedProcess::stateChanged, this,
&PreLaunchCommand::on_state);
}
void PreLaunchCommand::executeTask()
{
// FIXME: where to put this?
QString prelaunch_cmd = m_parent->substituteVariables(m_command);
emit logLine(tr("Running Pre-Launch command: %1").arg(prelaunch_cmd),
MessageLevel::MeshMC);
m_process.start(prelaunch_cmd);
}
void PreLaunchCommand::on_state(LoggedProcess::State state)
{
auto getError = [&]() {
return tr("Pre-Launch command failed with code %1.\n\n")
.arg(m_process.exitCode());
};
switch (state) {
case LoggedProcess::Aborted:
case LoggedProcess::Crashed:
case LoggedProcess::FailedToStart: {
auto error = getError();
emit logLine(error, MessageLevel::Fatal);
emitFailed(error);
return;
}
case LoggedProcess::Finished: {
if (m_process.exitCode() != 0) {
auto error = getError();
emit logLine(error, MessageLevel::Fatal);
emitFailed(error);
} else {
emit logLine(tr("Pre-Launch command ran successfully.\n\n"),
MessageLevel::MeshMC);
emitSucceeded();
}
}
default:
break;
}
}
void PreLaunchCommand::setWorkingDirectory(const QString& wd)
{
m_process.setWorkingDirectory(wd);
}
bool PreLaunchCommand::abort()
{
auto state = m_process.state();
if (state == LoggedProcess::Running || state == LoggedProcess::Starting) {
m_process.kill();
}
return true;
}
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