This is still an issue on 18.04 Bionic.
Workaround:
sudo update-alternatives --install /usr/bin/lua lua /usr/bin/lua5.3 10 sudo update-alternatives --install /usr/bin/luac luac /usr/bin/luac5.3 10
This is still an issue on 18.04 Bionic.
Workaround:
sudo update-alternatives --install /usr/bin/lua lua /usr/bin/lua5.3 10
sudo update-alternatives --install /usr/bin/luac luac /usr/bin/luac5.3 10