#!/bin/bash# NeoForge Installation Script## Server Files: /mnt/serverapt-get updateapt-get install -y curl xq openjdk-17-jdkif [[ ! -d /mnt/server ]]; then    mkdir /mnt/serverficd /mnt/server# Remove spaces from the version number to avoid issues with curlNEOFORGE_VERSION="$(echo "$NEOFORGE_VERSION" | tr -d ' ')"MC_VERSION="$(echo "$MC_VERSION" | tr -d ' ')"# If we have a specific NeoForge version set, use thatif [[ ! -z ${NEOFORGE_VERSION} ]]; then  # The 1.20.1 release lives in a different repository and is called "forge" instead of "neoforge"  if [[ "${NEOFORGE_VERSION}" =~ "1.20.1-" ]]; then    DOWNLOAD_LINK=https://maven.neoforged.net/releases/net/neoforged/forge/${NEOFORGE_VERSION}/forge-${NEOFORGE_VERSION}    ARTIFACT_NAME="forge"  else    DOWNLOAD_LINK=https://maven.neoforged.net/releases/net/neoforged/neoforge/${NEOFORGE_VERSION}/neoforge-${NEOFORGE_VERSION}    ARTIFACT_NAME="neoforge"  fielse  # For NeoForge, downloading based on a Minecraft version is done by using the Maven metadata.  # 1.20.1 is also handled differently here, because it's in a different repository and is called  # "forge" instead of "neoforge".  if [[ "${MC_VERSION}" == "1.20.1" ]]; then    XML_DATA=$(curl -sSL https://maven.neoforged.net/releases/net/neoforged/forge/maven-metadata.xml)    ARTIFACT_NAME="forge"    NEOFORGE_OLD=1  else    XML_DATA=$(curl -sSL https://maven.neoforged.net/releases/net/neoforged/neoforge/maven-metadata.xml)    ARTIFACT_NAME="neoforge"  fi  REPO_URL="https://maven.neoforged.net/releases/net/neoforged/${ARTIFACT_NAME}/"  # Get the latest version of Minecraft NeoForge supports. Here XML_DATA contains the metadata for  # the new, "neoforge" repository, which is good since 1.20.1 will never be the latest anymore.  if [[ "${MC_VERSION}" == "latest" ]] || [[ "${MC_VERSION}" == "" ]]; then    echo "Getting latest version of NeoForge."    MC_VERSION="1.$(echo -e ${XML_DATA} | xq -x '/metadata/versioning/release' | cut -d'.' -f1-2)"  fi  echo "Minecraft version: ${MC_VERSION}"  if [[ -z "${NEOFORGE_OLD}" ]]; then    # For modern artifacts we cut the "1." from the Minecraft version, and search for that    VERSION_KEY=$(echo -n ${MC_VERSION} | cut -d'.' -f2-)  else    # For 1.20.1, it uses the same naming scheme as Forge, so we just append a dash    VERSION_KEY="${MC_VERSION}-"  fi  # Then we extract the latest the latest NeoForge version available based on the Maven metadata  NEOFORGE_VERSION=$(echo -e ${XML_DATA} | xq -x "(/metadata/versioning/versions/*[starts-with(text(), '${VERSION_KEY}')])" | tail -n1)  if [[ -z "${NEOFORGE_VERSION}" ]]; then    echo "The install failed, because there is no valid version of NeoForge for the version of Minecraft selected."    exit 1  fi  echo "NeoForge version: ${NEOFORGE_VERSION}"  DOWNLOAD_LINK="${REPO_URL}${NEOFORGE_VERSION}/${ARTIFACT_NAME}-${NEOFORGE_VERSION}"fiecho "Downloading NeoForge version ${NEOFORGE_VERSION}"echo "Download link is ${DOWNLOAD_LINK}"# Check if the download link we generated is validif [[ ! -z "${DOWNLOAD_LINK}" ]]; then  if curl --output /dev/null --silent --head --fail ${DOWNLOAD_LINK}-installer.jar; then    echo -e "Installer jar download link is valid."  else    echo -e "Link is invalid. Exiting now"    exit 2  fielse  echo -e "No download link provided. Exiting now"  exit 3fi# If so, go ahead and download the installercurl -s -o installer.jar -sS ${DOWNLOAD_LINK}-installer.jarif [[ ! -f ./installer.jar ]]; then  echo "!!! Error downloading NeoForge version ${NEOFORGE_VERSION} !!!"  exit 4fi# Delete args to support downgrading/upgradingrm -rf libraries/net/neoforged/${ARTIFACT_NAME}rm unix_args.txt# Installing serverecho -e "Installing NeoForge server.\n"java -jar installer.jar --installServer || {  echo -e "\nInstall failed using NeoForge version ${NEOFORGE_VERSION} and Minecraft version ${MINECRAFT_VERSION}."  echo -n   "Should you be using unlimited memory value of 0, make sure to increase the default install resource limits in the Wings"  echo      "config or specify exact allocated memory in the server Build Configuration instead of 0!"  echo      "Otherwise, the NeoForge installer will not have enough memory.";  exit 5;}# Symlink the startup arguments to the server directoryln -sf libraries/net/neoforged/${ARTIFACT_NAME}/*/unix_args.txt unix_args.txt# And finally clean upecho -e "Deleting installer.jar file.\n"rm -rf installer.jarecho "Installation process is completed!"