mc-dl

#!/bin/sh
set -e

if [ -z "${MINECRAFT_VER}" ]; then
  echo "Please set MINECRAFT_VER to the correct Minecraft version."
  exit 1
fi

# This is a hack to install jq because we don't have it in busybox yet
if ! which jq <&- >/dev/null 2>&1; then
    JQ_VER=${JQ_VER:-1.6}
    wget -O /tmp/jq https://github.com/stedolan/jq/releases/download/jq-${JQ_VER}/jq-linux64
    chmod +x /tmp/jq
    PATH=$PATH:/tmp
fi

# Fetch the server jar by jumping through some Microsoft-shaped hoops
wget -O- https://launchermeta.mojang.com/mc/game/version_manifest.json \
    | jq -r ".versions[] | select(.id == \"$MINECRAFT_VER\") | .url" \
    | xargs wget -O- \
    | jq -r ".downloads.server.url" \
    | xargs wget -O minecraft_server.jar

echo "eula=true" >> eula.txt