$ grep -R --include='*.[ch]pp' 'LGPL-2.0' .
./include/libdnf5/transaction/offline.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./include/libdnf5/utils/bootc.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./include/libdnf5/utils/format.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./include/libdnf5/utils/to_underlying.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./test/libdnf5/system/test_state.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./test/libdnf5/system/test_state.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./dnf5/include/dnf5/offline.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./dnf5/offline.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./dnf5-plugins/automatic_plugin/config_automatic.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./dnf5-plugins/automatic_plugin/config_automatic.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./dnf5-plugins/automatic_plugin/email_message.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./dnf5-plugins/automatic_plugin/emitters.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/transaction/offline.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/utils/dnf4convert/config_module.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/utils/dnf4convert/config_module.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/utils/dnf4convert/dnf4convert.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/utils/dnf4convert/dnf4convert.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/utils/bootc.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/system/state.cpp:// SPDX-License-Identifier: LGPL-2.0-or-later
./libdnf5/system/state.hpp:// SPDX-License-Identifier: LGPL-2.0-or-later

$ grep -R --include='*.py' 'LGPL-2.0' .
./test/python3/libdnf5/rpm/test_package_query_set_operators.py:# SPDX-License-Identifier: LGPL-2.0-or-later

$ grep -R --include='*.rb' 'LGPL-2.0' .
./test/ruby/libdnf5/rpm/test_package_query_set_operators.rb:# SPDX-License-Identifier: LGPL-2.0-or-later