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diff --git a/archived/projt-launcher/launcher/Commandline.cpp b/archived/projt-launcher/launcher/Commandline.cpp
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+++ b/archived/projt-launcher/launcher/Commandline.cpp
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+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 Project Tick
+// SPDX-FileContributor: Project Tick Team
+/*
+ *  ProjT Launcher - Minecraft Launcher
+ *  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, version 3.
+ *
+ *  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, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+/* === Upstream License Block (Do Not Modify) ==============================
+ *
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *
+ *  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, version 3.
+ *
+ *  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, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
+ *
+ *      Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ *      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 "Commandline.h"
+
+/**
+ * @file libutil/src/cmdutils.cpp
+ */
+
+namespace Commandline
+{
+
+	// commandline splitter
+	QStringList splitArgs(QString args)
+	{
+		QStringList argv;
+		QString current;
+		bool escape = false;
+		QChar inquotes;
+		for (int i = 0; i < args.length(); i++)
+		{
+			QChar cchar = args.at(i);
+
+			// \ escaped
+			if (escape)
+			{
+				current += cchar;
+				escape = false;
+				// in "quotes"
+			}
+			else if (!inquotes.isNull())
+			{
+				if (cchar == '\\')
+					escape = true;
+				else if (cchar == inquotes)
+					inquotes = QChar::Null;
+				else
+					current += cchar;
+				// otherwise
+			}
+			else
+			{
+				if (cchar == ' ')
+				{
+					if (!current.isEmpty())
+					{
+						argv << current;
+						current.clear();
+					}
+				}
+				else if (cchar == '"' || cchar == '\'')
+					inquotes = cchar;
+				else
+					current += cchar;
+			}
+		}
+		if (!current.isEmpty())
+			argv << current;
+		return argv;
+	}
+} // namespace Commandline