Determine and download latest Minecraft Server

minecraft-latest-download.sh

function minecraft-latest-download(){
    export MINECRAFT_MANIFEST=$(curl -s https://launchermeta.mojang.com/mc/game/version_manifest.json)
    export MINECRAFT_LATEST=$(echo "${MINECRAFT_MANIFEST}" | jq .latest.release)
    export MINECRAFT_LATEST_VERSION=$(echo "${MINECRAFT_MANIFEST}" | jq -r .latest.release)
    export MINECRAFT_LATEST_URL=$(echo "${MINECRAFT_MANIFEST}" | jq -r ".versions[]  | select(.id==${MINECRAFT_LATEST}).url")
    export MINECRAFT_SERVER_JAR=$(curl -s ${MINECRAFT_LATEST_URL} | jq -r .downloads.server.url)
    echo "Retrieving $MINECRAFT_LATEST_VERSION from $MINECRAFT_SERVER_JAR"
    curl ${MINECRAFT_SERVER_JAR} --output minecraft-$MINECRAFT_LATEST_VERSION-server.jar
}