Quake on Bash on Ubuntu on Windows

quakeinstaller.sh

#!/bin/bash
#Quake on Bash on Ubuntu on Windows

[[ `id -u` -eq 0 ]] || { echo "Must be root to run script, try running again with sudo"; exit 1; }

#ensure Xming is installed
if [ -f "/mnt/c/Program Files (x86)/Xming/Xming.exe" ]
then
   echo "XMing is installed on Windows Filesystem, please ensure that it is running";
else
   echo -e "XMing is not installed on Windows Filesystem - please download and install from: \nhttps://sourceforge.net/projects/xming/";
   exit 1;
fi

#locate Quake game data
if [ -f "/mnt/c/GOG Games/Quake/id1/PAK0.PAK" ] || [ -f "/mnt/c/quake/id1/pak0.pak" ]
then
   echo "Quake game data found on Windows Filesystem";
else
   echo -e "Quake game data not found on Windows Filesystem - please download and install one of the following: \n(Shareware Edition)http://www.quakeone.com/q1files/downloads/quake-shareware-setup-beta099a.exe \n(Full Game)https://www.gog.com/game/quake_the_offering"; 
   exit 1;
fi

echo "**********Windows requirements satisifed*********"
echo ".............(This may take a while)............."

#install quake engine prereqs
echo "Installing Quake engine prereqs..."
apt-get -y -qq update
apt-get -y -qq upgrade
apt-get -y -qq install  libxtst-dev x11proto-xf86dga-dev libxxf86dga-dev libxxf86vm-dev mesa-common-dev libglu1-mesa-dev quake lhasa build-essential

#acquire and build tyrquake engine
echo "Acquiring and building tyrquake engine..."
wget -q http://disenchant.net/files/engine/tyrquake-0.61.tar.gz
tar -xzf tyrquake-0.61.tar.gz
rm tyrquake-0.61.tar.gz
cd tyrquake-0.61
make -q
echo "**********Build successful**********"

#copy Quake game data
echo "Copying Quake game data to appropriate location"

if [ -f "/mnt/c/GOG Games/Quake/id1/PAK0.PAK" ]
then
    cp -r "/mnt/c/GOG Games/Quake/id1/" /usr/share/games/quake/
    mv /usr/share/games/quake/id1/PAK0.PAK /usr/share/games/quake/id1/pak0.pak
    mv /usr/share/games/quake/id1/PAK1.PAK /usr/share/games/quake/id1/pak1.pak
else
    cp -r /mnt/c/quake/id1/ /usr/share/games/quake/
fi

#setup display
#echo "Setting up Display"
export DISPLAY=localhost:0.0
export PATH=$PATH:/usr/games

#instructions to run quake
echo ***********Success************
echo -e "To run Quake, ensure Xming is running on Windows, and that you have a valid display set (export DISPLAY=localhost:0.0) \nNavigate to ./tyrquake-0.61/ directory and type: quake --engine ./tyr-quake -mem 16";