git.slaskete.net - einar-bin/blob - getlatestminecraftserver.bash

   1 #!/bin/bash
   2 # A quick and dirty script to fetch the latest stable minecraft_server.jar
   3 # URL https://s3.amazonaws.com/Minecraft.Download/versions/1.9.2/minecraft_server.1.9.2.jar
   4
   5 BASE_URL="https://s3.amazonaws.com/Minecraft.Download/versions"
   6 VERSION_URL="https://launchermeta.mojang.com/mc/game/version_manifest.json"
   7 LATEST_VER=$(wget -qO - ${VERSION_URL} | python -m json.tool | grep "\"release\":" | cut -d '"' -f 4)
   8 # Our CURRENT_VER is stored in current_ver and we don't need no stinking error messages
   9 source current_ver > /dev/null 2>&1
  10
  11 if [ ! ${CURRENT_VER:-1} = ${LATEST_VER} ] || [ ! -f minecraft_server.jar ]; then
  12   wget -q ${BASE_URL}/${LATEST_VER}/minecraft_server.${LATEST_VER}.jar -O minecraft_server.jar && \
  13     echo "CURRENT_VER=${LATEST_VER}" > current_ver
  14 fi