OpenRaider/cmake/travis_before_install_linux.sh

#!/bin/bash

sudo add-apt-repository -y ppa:zoogie/sdl2-snapshots
sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
sudo add-apt-repository -y ppa:andykimpe/cmake
sudo add-apt-repository -y ppa:h-rayflood/llvm-upper
sudo apt-get -qq -y update