The Package Archive is locate at https://launchpad.net/~sat-metalab/+archive/propulseart
#!/bin/bash
# Adds the SAT Ubuntu Package Archive to the software sources.
grep 'metalab' /etc/apt/sources.list &> /dev/null
if [ $? = 0 ]; then
echo "The sources are already set up."
else
echo " " | sudo tee -a /etc/apt/sources.list
echo "# [[PropulseART]] PPA:" | sudo tee -a /etc/apt/sources.list
echo "deb http://ppa.launchpad.net/sat-metalab/propulseart/ubuntu hardy main" | sudo tee -a /etc/apt/sources.list
echo "deb-src http://ppa.launchpad.net/sat-metalab/propulseart/ubuntu hardy main" | sudo tee -a /etc/apt/sources.list
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 79DF04BB
sudo apt-get update
fi
Once this is done, you can simply install Lunch using APT.
sudo aptitude install lunch