#/bin/bash

echo "Fetching installation files..."
wget -nv https://share.bitho.st/bitinstall/java/jre-8u301-linux-x64.tar.gz

echo "Extracting installation files..."
tar -xf jre-8u301-linux-x64.tar.gz
rm -R /usr/lib/jvm/jre1.8.0_301 2>/dev/null
rm -R /usr/lib/jvm/java-8-oracle 2>/dev/null
mkdir /usr/lib/jvm
mv "jre1.8.0_301" /usr/lib/jvm/
ln -s /usr/lib/jvm/jre1.8.0_301/ /usr/lib/jvm/java-8-oracle
rm jre-8u301-linux-x64.tar.gz

echo "Updating symbolic link for java..."
update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/java-8-oracle/bin/java" 1