set -e

if [ "$RACKET_VERSION" = "HEAD" ]; then
    URL="http://www.cs.utah.edu/plt/snapshots/current/installers/racket-current-x86_64-linux-precise.sh"
elif [ "$RACKET_VERSION" = "5.92" ]; then
    URL="http://download.racket-lang.org/installers/5.92/racket-5.92-x86_64-linux-ubuntu-quantal.sh"
else
    URL="http://download.racket-lang.org/installers/${RACKET_VERSION}/racket/racket-${RACKET_VERSION}-bin-x86_64-linux-debian-squeeze.sh"
fi

INSTALL="./racket-${RACKET_VERSION}.sh"

echo "Downloading $URL to $INSTALL:"
curl -o $INSTALL $URL

echo "Running $INSTALL to install Racket:"
chmod u+rx "$INSTALL"
sudo "$INSTALL" <<EOF
no
/usr/racket

EOF

exit 0