Auto-merging via docker-versions-create

2026-02-21 16:46:23 +00:00 · 2021-10-23 09:43:19 -05:00
parent 4c70184804 2e8f27a8ef
commit b248ed342f
41 changed files with 18 additions and 53 deletions
--- a/scripts/start
+++ b/scripts/start
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+umask 0002
+chmod g+w /data
+
+if ! isTrue "${SKIP_SUDO:-false}" && [ $(id -u) = 0 ]; then
+  runAsUser=minecraft
+  runAsGroup=minecraft
+
+  if [[ -v UID ]]; then
+    if [[ $UID != 0 ]]; then
+      if [[ $UID != $(id -u minecraft) ]]; then
+        log "Changing uid of minecraft to $UID"
+        usermod -u $UID minecraft
+      fi
+    else
+      runAsUser=root
+    fi
+  fi
+
+  if [[ -v GID ]]; then
+    if [[ $GID != 0 ]]; then
+      if [[ $GID != $(id -g minecraft) ]]; then
+        log "Changing gid of minecraft to $GID"
+        groupmod -o -g $GID minecraft
+      fi
+    else
+      runAsGroup=root
+    fi
+  fi
+
+  if [[ $(stat -c "%u" /data) != $UID ]]; then
+    log "Changing ownership of /data to $UID ..."
+    chown -R ${runAsUser}:${runAsGroup} /data
+  fi
+
+  if [[ ${SKIP_NSSWITCH_CONF^^} != TRUE ]]; then
+    echo 'hosts: files dns' > /etc/nsswitch.conf
+  fi
+
+  exec gosu ${runAsUser}:${runAsGroup} ${SCRIPTS:-/}start-configuration $@
+else
+  exec ${SCRIPTS:-/}start-configuration $@
+fi
--- a/scripts/start-autopause
+++ b/scripts/start-autopause
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+log "Autopause functionality enabled"
+
+cp /autopause/knockd-config.cfg /tmp/knockd-config.cfg
+
+# update server port to listen to
+regseq="^\s*sequence\s*=\s*$SERVER_PORT\s*$"
+linenum=$(grep -nm1 sequence /tmp/knockd-config.cfg | cut -d : -f 1 | tail -n1)
+if ! [[ $(awk "NR==$linenum" /tmp/knockd-config.cfg) =~ $regseq ]]; then
+  sed -i "${linenum}s/sequence.*/sequence = $SERVER_PORT/" /tmp/knockd-config.cfg
+  log "Updated server port in knockd config"
+fi
+# update rcon port to listen to
+regseq="^\s*sequence\s*=\s*$RCON_PORT\s*$"
+linenum=$(grep -nm2 sequence /tmp/knockd-config.cfg | cut -d : -f 1 | tail -n1)
+if ! [[ $(awk "NR==$linenum" /tmp/knockd-config.cfg) =~ $regseq ]]; then
+  sed -i "${linenum}s/sequence.*/sequence = $RCON_PORT/" /tmp/knockd-config.cfg
+  log "Updated rcon port in knockd config"
+fi
+
+if ! [[ $AUTOPAUSE_PERIOD =~ ^[0-9]+$ ]]; then
+  AUTOPAUSE_PERIOD=10
+  export AUTOPAUSE_PERIOD
+  log "Warning: AUTOPAUSE_PERIOD is not numeric, set to 10 (seconds)"
+fi
+if [ "$AUTOPAUSE_PERIOD" -eq "0" ] ; then
+  AUTOPAUSE_PERIOD=10
+  export AUTOPAUSE_PERIOD
+  log "Warning: AUTOPAUSE_PERIOD must not be 0, set to 10 (seconds)"
+fi
+if ! [[ $AUTOPAUSE_TIMEOUT_KN =~ ^[0-9]+$ ]] ; then
+  AUTOPAUSE_TIMEOUT_KN=120
+  export AUTOPAUSE_TIMEOUT_KN
+  log "Warning: AUTOPAUSE_TIMEOUT_KN is not numeric, set to 120 (seconds)"
+fi
+if ! [[ $AUTOPAUSE_TIMEOUT_EST =~ ^[0-9]+$ ]] ; then
+  AUTOPAUSE_TIMEOUT_EST=3600
+  export AUTOPAUSE_TIMEOUT_EST
+  log "Warning: AUTOPAUSE_TIMEOUT_EST is not numeric, set to 3600 (seconds)"
+fi
+if ! [[ $AUTOPAUSE_TIMEOUT_INIT =~ ^[0-9]+$ ]] ; then
+  AUTOPAUSE_TIMEOUT_INIT=600
+  export AUTOPAUSE_TIMEOUT_INIT
+  log "Warning: AUTOPAUSE_TIMEOUT_INIT is not numeric, set to 600 (seconds)"
+fi
+if [[ "$AUTOPAUSE_KNOCK_INTERFACE" == "lo" ]] ; then
+  log "Warning: AUTOPAUSE_KNOCK_INTERFACE is set to the local loopback interface."
+  log "         This is not advisable, as incoming connections are likely not picked up there."
+  log "         Continuing with this setting."
+fi
+
+if [[ -n "$MAX_TICK_TIME" && "$MAX_TICK_TIME" != "-1" ]] ; then
+  log "Warning: MAX_TICK_TIME is non-default, for autopause to work properly, this check should be disabled (-1 for versions >= 1.8.1)"
+elif [[ -z "$MAX_TICK_TIME" ]] ; then
+  if versionLessThan 1.8.1; then
+    # 10 years
+    MAX_TICK_TIME=315360000000
+  else
+    MAX_TICK_TIME=-1
+  fi
+  export MAX_TICK_TIME
+fi
+
+/autopause/autopause-daemon.sh &
--- a/scripts/start-configuration
+++ b/scripts/start-configuration
@@ -0,0 +1,173 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+# shellcheck source=start-utils
+. ${SCRIPTS:-/}start-utils
+
+: "${EULA:=}"
+: "${PROXY:=}"
+: "${RCON_PASSWORD_FILE:=}"
+
+shopt -s nullglob
+
+isDebugging && set -x
+
+#umask 002
+export HOME=/data
+
+log "Running as uid=$(id -u) gid=$(id -g) with /data as '$(ls -lnd /data)'"
+
+if [ ! -e /data/eula.txt ]; then
+  if ! isTrue "$EULA"; then
+    log ""
+    log "Please accept the Minecraft EULA at"
+    log "  https://account.mojang.com/documents/minecraft_eula"
+    log "by adding the following immediately after 'docker run':"
+    log "  -e EULA=TRUE"
+    log ""
+    exit 1
+  fi
+
+  writeEula
+fi
+
+
+if [[ $PROXY ]]; then
+    export http_proxy="$PROXY"
+    export https_proxy="$PROXY"
+    export JAVA_TOOL_OPTIONS+="-Djava.net.useSystemProxies=true"
+    log "INFO: Giving proxy time to startup..."
+    sleep 5
+fi
+
+if [[ $RCON_PASSWORD_FILE ]]; then
+    log ""
+    if [ ! -e ${RCON_PASSWORD_FILE} ]; then
+	log "Initial RCON password file ${RCON_PASSWORD_FILE} does not seems to exist."
+	log "Please ensure your configuration."
+	log "If you are using Docker Secrets feature, please check this for further information: "
+	log " https://docs.docker.com/engine/swarm/secrets"
+	log ""
+	exit 1
+    else
+	RCON_PASSWORD=$(cat ${RCON_PASSWORD_FILE})
+	export RCON_PASSWORD
+    fi
+    log ""
+fi
+
+if ! which java > /dev/null; then
+  log "Fixing PATH to include java"
+  PATH="${PATH}:/opt/java/openjdk/bin"
+fi
+
+export VERSIONS_JSON=https://launchermeta.mojang.com/mc/game/version_manifest.json
+
+case "X$VERSION" in
+  X|XLATEST|Xlatest)
+    if ! VANILLA_VERSION=$(get --json-path '$.latest.release' "$VERSIONS_JSON"); then
+      log "ERROR: version lookup failed: $VANILLA_VERSION"
+      exit 1
+    fi
+  ;;
+  XSNAPSHOT|Xsnapshot)
+    if ! VANILLA_VERSION=$(get --json-path '$.latest.snapshot' "$VERSIONS_JSON"); then
+      log "ERROR: version lookup failed: $VANILLA_VERSION"
+      exit 1
+    fi
+  ;;
+  *)
+    VANILLA_VERSION=$VERSION
+  ;;
+esac
+export VANILLA_VERSION
+log "Resolved version given ${VERSION} into ${VANILLA_VERSION}"
+
+cd /data || exit 1
+
+export ORIGINAL_TYPE=${TYPE^^}
+
+if isTrue "${ENABLE_AUTOPAUSE}"; then
+  ${SCRIPTS:-/}start-autopause
+fi
+
+log "Resolving type given ${TYPE}"
+case "${TYPE^^}" in
+  *BUKKIT|SPIGOT)
+    exec ${SCRIPTS:-/}start-deployBukkitSpigot "$@"
+  ;;
+
+  PAPER)
+    exec ${SCRIPTS:-/}start-deployPaper "$@"
+  ;;
+
+  FORGE)
+    exec ${SCRIPTS:-/}start-deployForge "$@"
+  ;;
+
+  FABRIC)
+    exec ${SCRIPTS:-/}start-deployFabric "$@"
+  ;;
+
+  FTBA)
+    exec ${SCRIPTS:-/}start-deployFTBA "$@"
+  ;;
+
+  FTB|CURSEFORGE)
+    exec ${SCRIPTS:-/}start-deployCF "$@"
+  ;;
+
+  VANILLA)
+    exec "${SCRIPTS:-/}start-deployVanilla" "$@"
+  ;;
+
+  SPONGEVANILLA)
+    exec ${SCRIPTS:-/}start-deploySpongeVanilla "$@"
+  ;;
+
+  CUSTOM)
+    exec ${SCRIPTS:-/}start-deployCustom "$@"
+  ;;
+
+  MAGMA)
+    exec ${SCRIPTS:-/}start-deployMagma "$@"
+  ;;
+
+  MOHIST)
+    exec ${SCRIPTS:-/}start-deployMohist "$@"
+  ;;
+
+  CATSERVER)
+    exec ${SCRIPTS:-/}start-deployCatserver "$@"
+  ;;
+
+  PURPUR)
+    exec ${SCRIPTS:-/}start-deployPurpur "$@"
+  ;;
+
+  AIRPLANE)
+    exec ${SCRIPTS:-/}start-deployAirplane "$@"
+  ;;
+
+  CANYON)
+    exec ${SCRIPTS:-/}start-deployCanyon "$@"
+  ;;
+
+  LIMBO)
+    exec ${SCRIPTS:-/}start-deployLimbo "$@"
+  ;;
+
+  CRUCIBLE)
+    exec "${SCRIPTS:-/}start-deployCrucible" "$@"
+  ;;
+
+  *)
+      log "Invalid type: '$TYPE'"
+      log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
+      log "         CURSEFORGE, SPONGEVANILLA, PURPUR, CUSTOM,"
+      log "         MAGMA, MOHIST, CATSERVER, AIRPLANE, CANYON, LIMBO, CRUCIBLE"
+      exit 1
+  ;;
+
+esac
--- a/scripts/start-deployAirplane
+++ b/scripts/start-deployAirplane
@@ -0,0 +1,52 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+if [ "${VERSION}" != "LATEST" ] && [ "${VERSION}" != "1.16" ] && [ "${VERSION}" != "1.17" ] && [ "${VERSION}" != "PURPUR" ] && [ "${VERSION}" != "PURPUR-1.16" ] ; then
+  log "ERROR: Airplane server type only supports VERSION=LATEST, VERSION=1.17, VERSION=1.16, VERSION=PURPUR or VERSION=PURPUR-1.16. Note that these are branches, not #.#.# versions."
+  exit 1
+fi
+
+: ${AIRPLANE_BUILD:=lastSuccessfulBuild}
+: ${AIRPLANE_TYPE:=airplane}
+
+if  [ "${VERSION}" = "LATEST" ] || [ "${VERSION}" = "1.17" ]; then
+  AIRPLANE_BRANCH="1.17"
+fi
+
+if [ "${VERSION}" = "1.16" ]; then
+  AIRPLANE_BRANCH="1.16"
+fi
+
+if [ "${VERSION}" = "PURPUR" ]; then
+  AIRPLANE_BRANCH="Purpur-1.17"
+  AIRPLANE_TYPE="airplanepurpur"
+fi
+
+if [ "${VERSION}" = "PURPUR-1.16" ]; then
+  AIRPLANE_BRANCH="Purpur-1.16"
+  AIRPLANE_TYPE="airplanepurpur"
+fi
+
+log "Using Airplane-${AIRPLANE_BRANCH} branch"
+
+export SERVER=airplane-${AIRPLANE_BRANCH}-${AIRPLANE_BUILD}.jar
+
+if [ ! -f "$SERVER" ] || isTrue "${FORCE_REDOWNLOAD:-false}"; then
+    downloadUrl="https://ci.tivy.ca/job/Airplane-${AIRPLANE_BRANCH}/${AIRPLANE_BUILD}/artifact/launcher-${AIRPLANE_TYPE}.jar"
+    log "Downloading Airplane from $downloadUrl ..."
+    curl -fsSL -o "$SERVER" "$downloadUrl"
+    if [ ! -f "$SERVER" ]; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+fi
+
+# Normalize on Spigot for later operations
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-spiget "$@"
--- a/scripts/start-deployBukkitSpigot
+++ b/scripts/start-deployBukkitSpigot
@@ -0,0 +1,132 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+set -e
+
+function buildSpigotFromSource {
+  if [[ ${TYPE^^} = *BUKKIT ]] && ! versionLessThan "1.14"; then
+    log "ERR craftbukkit build is only supported for versions less than 1.14"
+    exit 1
+  fi
+
+  log "Building Spigot $VANILLA_VERSION from source, might take a while, get some coffee"
+  rm -rf /data/temp
+  mkdir /data/temp
+  cd /data/temp
+
+  jvmOpts="-Xms${INIT_MEMORY:-$MEMORY} -Xmx${MAX_MEMORY:-$MEMORY}"
+
+  logn ''
+  curl -sSL -o /data/temp/BuildTools.jar https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar && \
+    java $jvmOpts -jar /data/temp/BuildTools.jar --rev $VANILLA_VERSION 2>&1 |tee /data/spigot_build.log| while read l; do echo -n .; done; log "done"
+
+  case ${TYPE^^} in
+    SPIGOT)
+      if ! mv spigot-*.jar /data/${SERVER}; then
+        log "ERR failed to build Spigot"
+        cat /data/spigot_build.log
+        exit 1
+      fi
+      ;;
+    *BUKKIT)
+      if ! mv craftbukkit-*.jar /data/${SERVER}; then
+        log "ERR failed to build Spigot"
+        cat /data/spigot_build.log
+        exit 1
+      fi
+      ;;
+  esac
+
+  log "Cleaning up"
+  rm -rf /data/temp
+  cd /data
+}
+
+function downloadSpigot {
+  local match
+  case "$TYPE" in
+    *BUKKIT|*bukkit)
+      match="CraftBukkit"
+      downloadUrl=${BUKKIT_DOWNLOAD_URL}
+      getbukkitFlavor=craftbukkit
+      ;;
+    *)
+      match="Spigot"
+      downloadUrl=${SPIGOT_DOWNLOAD_URL}
+      getbukkitFlavor=spigot
+      ;;
+  esac
+
+  if [[ ${VERSION^^} = LATEST ]]; then
+    VANILLA_VERSION=$(restify https://getbukkit.org/download/spigot --attribute='property=og:title' | jq -r '.[0] | .attributes | select(.property == "og:title") | .content | split(" ") | .[-1]')
+  fi
+
+  if [[ -z $downloadUrl ]]; then
+    if versionLessThan 1.16.5; then
+      downloadUrl="https://cdn.getbukkit.org/${getbukkitFlavor}/${getbukkitFlavor}-${VANILLA_VERSION}.jar"
+    else
+      downloadUrl="https://download.getbukkit.org/${getbukkitFlavor}/${getbukkitFlavor}-${VANILLA_VERSION}.jar"
+    fi
+  fi
+
+  setServerVar
+  if [ -f $SERVER ]; then
+    # tell curl to only download when newer
+    curlArgs="-z $SERVER"
+  fi
+  if isDebugging; then
+    curlArgs="$curlArgs -v"
+  fi
+  log "Downloading $match from $downloadUrl ..."
+  curl -fsSL -o $SERVER $curlArgs "$downloadUrl"
+  if [[ $? != 0 || $(grep -c "DOCTYPE html" $SERVER) != 0 ]]; then
+    cat <<EOF
+
+ERROR: failed to download from $downloadUrl
+       Visit https://getbukkit.org/download/${getbukkitFlavor} to lookup the
+       exact version, such as 1.4.6-R0.4-SNAPSHOT or 1.8-R0.1-SNAPSHOT-latest.
+       Click into the version entry to find the **exact** version, because something
+       like "1.8" is not sufficient according to their download naming.
+
+EOF
+
+    if isDebugging && [[ $(grep -c "DOCTYPE html" $SERVER) != 0 ]]; then
+      cat $SERVER
+    fi
+
+    # remove invalid download
+    rm $SERVER
+    exit 3
+  fi
+
+  JVM_OPTS="${JVM_OPTS} -DIReallyKnowWhatIAmDoingISwear"
+  export JVM_OPTS
+}
+
+function setServerVar {
+  case "$TYPE" in
+    *BUKKIT|*bukkit)
+      export SERVER=craftbukkit_server-${VANILLA_VERSION}.jar
+      ;;
+    *)
+      export SERVER=spigot_server-${VANILLA_VERSION}.jar
+      ;;
+  esac
+}
+
+if isTrue "$BUILD_SPIGOT_FROM_SOURCE" || isTrue "$BUILD_FROM_SOURCE"; then
+  setServerVar
+  if [ ! -f $SERVER ] || [ -n "$FORCE_REDOWNLOAD" ]; then
+    buildSpigotFromSource
+  fi
+else
+  downloadSpigot
+fi
+
+# Normalize on Spigot for operations below
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-spiget "$@"
--- a/scripts/start-deployCF
+++ b/scripts/start-deployCF
@@ -0,0 +1,236 @@
+#!/bin/bash
+
+set -e
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
+
+loadForgeVars() {
+  cfgFile=${1?}
+  pat='^([^#;][^=]+)=[:space:]*([^;]*)'
+  while read -r line || [[ -n "$line" ]] ; do
+      if [[ $line =~ $pat ]]; then
+          #echo "MATCHED $line"
+          k=${BASH_REMATCH[1]}
+          v=${BASH_REMATCH[2]}
+          case $k in
+            FORGEURL)
+              forgeInstallerUrl="$v"
+              ;;
+          esac
+      fi
+  done < "$cfgFile"
+}
+
+isDebugging && set -x
+
+: "${FTB_BASE_DIR:=${CF_BASE_DIR:-/data/FeedTheBeast}}"
+export FTB_BASE_DIR
+
+legacyJavaFixerUrl=https://ftb.forgecdn.net/FTB2/maven/net/minecraftforge/lex/legacyjavafixer/1.0/legacyjavafixer-1.0.jar
+export TYPE=CURSEFORGE
+
+FTB_SERVER_MOD=${FTB_SERVER_MOD:-$CF_SERVER_MOD}
+
+log "Looking for Feed-The-Beast / CurseForge server modpack."
+requireVar FTB_SERVER_MOD
+
+if ! isTrue "${USE_MODPACK_START_SCRIPT:-true}"; then
+  if ! [ -f "${FTB_SERVER_MOD}" ]; then
+    log "ERROR unable to find requested modpack file ${FTB_SERVER_MOD}"
+    exit 2
+  fi
+
+  needsInstall=true
+  installMarker=/data/.curseforge-installed
+  if [ -f $installMarker ]; then
+    if [ "$(cat $installMarker)" != "${FTB_SERVER_MOD}" ]; then
+      log "Upgrading modpack"
+
+      serverJar=$(find "${FTB_BASE_DIR}" -not -name "forge*installer.jar" -name "forge*.jar")
+      if [[ "${serverJar}" ]]; then
+        rm -rf "$(dirname "${serverJar}")"/{mods,*.jar,libraries,resources,scripts,config}
+      fi
+    else
+      needsInstall=false
+    fi
+  fi
+
+  if $needsInstall; then
+    log "Unpacking FTB server modpack ${FTB_SERVER_MOD} ..."
+    mkdir -p "${FTB_BASE_DIR}"
+    unzip -o "${FTB_SERVER_MOD}" -d "${FTB_BASE_DIR}" | awk '{printf "."} END {print ""}'
+
+    serverJar=$(find "${FTB_BASE_DIR}" -type f \( -path "*/libraries/*" -o -path "*/mods/*" \) -prune -o -name "forge*.jar" -not -name "forge*installer.jar" -print)
+    if [[ -z "$serverJar" ]]; then
+
+      if [ -f "${FTB_BASE_DIR}/settings.cfg" ]; then
+        loadForgeVars "${FTB_BASE_DIR}/settings.cfg"
+
+        if [[ $forgeInstallerUrl ]]; then
+          forgeInstallerJar="${FTB_BASE_DIR}/forge-installer.jar"
+          if ! curl -fsSL -o "$forgeInstallerJar" "$forgeInstallerUrl" ; then
+            log "ERROR failed to download Forge installer from $forgeInstallerUrl"
+            exit 2
+          fi
+        fi
+      else
+        forgeInstallerJar=$(find "${FTB_BASE_DIR}" -name "forge*installer.jar")
+      fi
+
+      if [[ -z "${forgeInstallerJar}" ]]; then
+        log "ERROR Unable to find forge installer in modpack"
+        log "      or download using modpack config."
+        log "      Make sure you downloaded the server files."
+        exit 2
+      fi
+
+      log "Installing forge server"
+      dirOfInstaller=$(dirname "${forgeInstallerJar}")
+      (cd "${dirOfInstaller}"; java -jar "$(basename "${forgeInstallerJar}")" --installServer)
+    fi
+
+    echo "${FTB_SERVER_MOD}" > $installMarker
+  fi
+
+  SERVER=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f \( -path "/libraries/*" -o -path "/mods/*" \) -prune -o -name "forge*.jar" -not -name "forge*installer.jar" -print)
+  if [[ -z "${SERVER}" || ! -f "${SERVER}" ]]; then
+    log "ERROR unable to locate installed forge server jar"
+    isDebugging && find "${FTB_BASE_DIR}" -name "forge*.jar"
+    exit 2
+  fi
+  export SERVER
+
+  FTB_DIR=$(dirname "${SERVER}")
+  export FTB_DIR
+
+  exec "${SCRIPTS:-/}start-setupWorld" "$@"
+fi
+
+entryScriptExpr="
+  -name ServerStart.sh
+  -o -name serverstart.sh
+  -o -name ServerStartLinux.sh
+  -o -name LaunchServer.sh
+  -o -name server-start.sh
+  -o -name start-server.sh
+  -o -name startserver.sh
+  -o -name StartServer.sh
+  "
+
+if [[ -d ${FTB_BASE_DIR} ]]; then
+  startScriptCount=$(find "${FTB_BASE_DIR}" $entryScriptExpr |wc -l)
+  if (( startScriptCount > 1 )); then
+    log "Conflicting FTB/CurseForge packages have been installed. Please cleanup ${FTB_BASE_DIR}"
+    exit 2
+  fi
+else
+  startScriptCount=0
+fi
+
+# only download and install if a mod pack isn't already installed
+# also check for the start script rather than just the folder
+# this allows saving just the world separate from the rest of the data directory
+if [[ $startScriptCount = 0 ]]; then
+  srv_modpack=${FTB_SERVER_MOD}
+  if isURL "${srv_modpack}"; then
+    log "Downloading modpack from ${srv_modpack}..."
+    if ! srv_modpack=$(get -o /data --output-filename --skip-existing "${srv_modpack}"); then
+      log "ERROR: failed to download modpack"
+      exit 1
+    fi
+  fi
+  if [[ "${srv_modpack:0:5}" == "data/" ]]; then
+      # Prepend with "/"
+      srv_modpack="/${srv_modpack}"
+  fi
+  if [[ ! "${srv_modpack:0:1}" == "/" ]]; then
+      # If not an absolute path, assume file is in "/data"
+      srv_modpack=/data/${srv_modpack}
+  fi
+  if [[ ! -f "${srv_modpack}" ]]; then
+      log "FTB server modpack ${srv_modpack} not found."
+      exit 2
+  fi
+  if [[ ! "${srv_modpack: -4}" == ".zip" ]]; then
+      log "FTB server modpack ${srv_modpack} is not a zip archive."
+      log "Please set FTB_SERVER_MOD to a file with a .zip extension."
+      exit 2
+  fi
+
+  log "Unpacking FTB server modpack ${srv_modpack} ..."
+  mkdir -p "${FTB_BASE_DIR}"
+  unzip -o "${srv_modpack}" -d "${FTB_BASE_DIR}" | awk '{printf "."} END {print ""}'
+
+  installScript=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f -name install.sh)
+  if [[ "$installScript" ]]; then
+    (
+      cd "$(dirname "${installScript}")"
+      chmod +x ./install.sh
+      log "Running included install.sh"
+      ./install.sh
+    )
+  fi
+fi
+
+if [[ $(find "${FTB_BASE_DIR}" $entryScriptExpr | wc -l) = 0 ]]; then
+
+    # Allow up to 2 levels since some modpacks have a top-level directory named
+    # for the modpack
+    forgeJar=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f \( -path "/libraries/*" -o -path "/mods/*" \) -prune -o -name "forge*.jar" -not -name "forge*installer.jar" -print)
+    if [[ "$forgeJar" ]]; then
+      FTB_BASE_DIR=$(dirname "${forgeJar}")
+      export FTB_BASE_DIR
+      log "No entry script found, so building one for ${forgeJar}"
+      cat > "${FTB_BASE_DIR}/ServerStart.sh" <<EOF
+#!/bin/sh
+. ./settings-local.sh
+java \${JAVA_PARAMETERS} -Xmx\${MAX_RAM} -jar $(basename "${forgeJar}") nogui
+EOF
+      chmod +x "${FTB_BASE_DIR}/ServerStart.sh"
+    else
+      log "Please make sure you are using the server version of the FTB modpack!"
+      exit 2
+    fi
+fi
+
+scriptCount=$(find "${FTB_BASE_DIR}" $entryScriptExpr | wc -l)
+if [[ $scriptCount = 0 ]]; then
+    log "Please make sure you are using the server version of the FTB modpack!"
+    exit 2
+elif (( scriptCount > 1 )); then
+    log "Ambiguous startup scripts in FTB modpack! Found:"
+    find "${FTB_BASE_DIR}" $entryScriptExpr
+    exit 2
+fi
+
+FTB_SERVER_START=$(find "${FTB_BASE_DIR}" $entryScriptExpr)
+export FTB_SERVER_START
+
+FTB_DIR=$(dirname "${FTB_SERVER_START}")
+export FTB_DIR
+chmod a+x "${FTB_SERVER_START}"
+grep fml.queryResult=confirm "${FTB_SERVER_START}" > /dev/null || \
+    sed -i 's/-jar/-Dfml.queryResult=confirm -jar/' "${FTB_SERVER_START}"
+sed -i 's/.*read.*Restart now/#\0/' "${FTB_SERVER_START}"
+legacyJavaFixerPath="${FTB_DIR}/mods/legacyjavafixer.jar"
+
+if isTrue "${FTB_LEGACYJAVAFIXER}" && [ ! -e "${legacyJavaFixerPath}" ]; then
+  log "Installing legacy java fixer to ${legacyJavaFixerPath}"
+  if ! get -o "${legacyJavaFixerPath}" ${legacyJavaFixerUrl}; then
+    log "ERROR failed to download legacy java fixer from ${legacyJavaFixerUrl}"
+    exit 1
+  fi
+fi
+
+if [ -e "${FTB_DIR}/FTBInstall.sh" ]; then
+  pushd "${FTB_DIR}"
+  sh FTBInstall.sh
+  popd
+elif [ -e "${FTB_DIR}/Install.sh" ]; then
+  pushd "${FTB_DIR}"
+  sh Install.sh
+  popd
+fi
+
+exec "${SCRIPTS:-/}start-setupWorld" "$@"
--- a/scripts/start-deployCanyon
+++ b/scripts/start-deployCanyon
@@ -0,0 +1,54 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${CANYON_BUILD:=lastSuccessfulBuild}
+JAVA_VER=$(java -version 2>&1 | head -1 | cut -d'"' -f2 | sed '/^1\./s///' | cut -d'.' -f1)
+
+if [ "${JAVA_VER}" != "8" ]; then
+  log "ERROR: Canyon server type only supports Java version 8"
+  exit 1
+fi
+
+if [ "${VERSION}" != "b1.7.3" ]; then
+  log "ERROR: Canyon server type only supports VERSION=b1.7.3"
+  exit 1
+fi
+
+canyonJob="https://ci.velocitypowered.com/job/Canyon"
+
+buildRelPath=$(
+  curl -fsSL "${canyonJob}/${CANYON_BUILD}/api/json" |
+    jq -r '.artifacts[0].relativePath'
+)
+buildNumber=$(
+  curl -fsSL "${canyonJob}/${CANYON_BUILD}/api/json" |
+    jq -r '.number'
+)
+baseName=$(basename "${buildRelPath}")
+
+# Add build tag to non-tagged builds for version detection
+if [ ${baseName%.*} = 'canyon-server' ]; then
+    export SERVER=${baseName%.*}_build${buildNumber}.jar
+else
+    export SERVER="${baseName}"
+fi
+
+if [ ! -f "$SERVER" ]; then
+    downloadUrl="${canyonJob}/${CANYON_BUILD}/artifact/${buildRelPath}"
+    log "Downloading Canyon build ${buildNumber} from $downloadUrl ..."
+    curl -fsSL -o "$SERVER" "$downloadUrl"
+    if [ ! -f "$SERVER" ]; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+fi
+
+# Normalize on Spigot for later operations
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-spiget "$@"
--- a/scripts/start-deployCatserver
+++ b/scripts/start-deployCatserver
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+set -o pipefail
+set -e
+
+latestAsset=$(
+  curl -fsSL https://api.github.com/repos/Luohuayu/CatServer/releases/latest | \
+    jq '.assets[] | select(.name | match(".*-universal.jar"))'
+)
+
+if [[ -z "${latestAsset}" ]]; then
+  log "ERROR: latest release of Catserver is missing universal.jar asset"
+  exit 1
+fi
+
+isDebugging && log "Latest asset ${latestAsset}"
+latestJarName=$(echo ${latestAsset} | jq --raw-output '.name')
+latestJarId=$(echo ${latestAsset} | jq --raw-output '.id')
+
+
+export SERVER="/data/${latestJarName}"
+
+if [ ! -f ${SERVER} ]; then
+  log "Downloading ${latestJarName}"
+  curl -H "Accept:application/octet-stream" -o "$SERVER" -fsSL https://api.github.com/repos/Luohuayu/CatServer/releases/assets/${latestJarId}
+fi
+
+export SKIP_LOG4J_CONFIG=true
+
+# Continue to Final Setup
+exec ${SCRIPTS:-/}start-setupWorld "$@"
--- a/scripts/start-deployCrucible
+++ b/scripts/start-deployCrucible
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
+set -o pipefail
+set -e
+isDebugging && set -x
+
+requireVar VANILLA_VERSION
+: "${CRUCIBLE_RELEASE:=latest}"
+
+crucibleReleasesUrl=https://api.github.com/repos/CrucibleMC/Crucible/releases
+if [[ ${CRUCIBLE_RELEASE^^} = LATEST ]]; then
+  crucibleReleaseUrl=${crucibleReleasesUrl}/latest
+else
+  crucibleReleaseUrl=${crucibleReleasesUrl}/tags/${CRUCIBLE_RELEASE}
+fi
+
+if ! downloadUrl=$(get --json-path "$.assets[?(@.name =~ /Crucible-${VANILLA_VERSION}-.*\.jar/)].browser_download_url" \
+    --accept "application/vnd.github.v3+json" "$crucibleReleaseUrl"); then
+  log "ERROR: failed to access ${CRUCIBLE_RELEASE} release of Crucible"
+  exit 1
+fi
+
+if [[ $downloadUrl = null ]]; then
+  log "ERROR: failed to locate Crucible jar for $VANILLA_VERSION from ${CRUCIBLE_RELEASE}"
+  exit 1
+fi
+
+log "Downloading Crucible from $downloadUrl"
+if ! SERVER=$(get --skip-existing --output-filename -o /data "$downloadUrl"); then
+  log "ERROR: failed to download Crucible jar from $downloadUrl"
+  exit 1
+fi
+
+librariesDir=/data/libraries
+if [ ! -d "$librariesDir" ]; then
+  if ! librariesUrl=$(get --json-path "$.assets[?(@.name == 'libraries.zip')].browser_download_url" \
+      --accept "application/vnd.github.v3+json" "$crucibleReleaseUrl"); then
+    log "ERROR: failed to access ${CRUCIBLE_RELEASE} release of Crucible for libraries"
+    exit 1
+  fi
+
+  log "Downloading Crucible libraries"
+  if ! get -o /tmp/libraries.zip "$librariesUrl"; then
+    log "ERROR: failed to download Crucible libraries from $librariesUrl"
+    exit 1
+  fi
+
+  if ! unzip /tmp/libraries.zip -d "$librariesDir"; then
+    log "ERROR: failed to unzip Crucible libraries"
+    exit 1
+  fi
+  rm /tmp/libraries.zip
+fi
+
+export SERVER
+export SKIP_LOG4J_CONFIG=true
+
+exec "${SCRIPTS:-$(dirname "$0")}/start-setupWorld" "$@"
--- a/scripts/start-deployCustom
+++ b/scripts/start-deployCustom
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+if isURL ${CUSTOM_SERVER}; then
+  filename=$(basename ${CUSTOM_SERVER})
+  export SERVER=/data/${filename}
+
+  if [[ -f ${SERVER} ]] || [ -n "$FORCE_REDOWNLOAD" ]; then
+    log "Using previously downloaded jar at ${SERVER}"
+  else
+   log "Downloading custom server jar from ${CUSTOM_SERVER} ..."
+   if ! curl -sSL -o ${SERVER} ${CUSTOM_SERVER}; then
+      log "Failed to download from ${CUSTOM_SERVER}"
+      exit 2
+    fi
+  fi
+
+elif [[ -f ${CUSTOM_SERVER} ]]; then
+  export SERVER=${CUSTOM_SERVER}
+
+elif [[ ${GENERIC_PACK} ]]; then
+  log "Using custom server jar from generic pack at ${CUSTOM_SERVER} ..."
+  export SERVER=${CUSTOM_SERVER}
+
+else
+  log "CUSTOM_SERVER is not properly set to a URL or existing jar file"
+  exit 2
+
+fi
+
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-setupWorld $@
--- a/scripts/start-deployFTBA
+++ b/scripts/start-deployFTBA
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+ftbInstallMarker=".ftb-installed"
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+set -e
+
+if ! [[ -v FTB_MODPACK_ID ]]; then
+  log "ERROR FTB_MODPACK_ID is required with TYPE=FTB"
+  exit 1
+fi
+
+if ! [[ ${FTB_MODPACK_ID} =~ [0-9]+ ]]; then
+  log "ERROR FTB_MODPACK_ID needs to be numeric"
+  exit 1
+fi
+
+if [[ ! $FTB_MODPACK_VERSION_ID ]]; then
+  if ! FTB_MODPACK_VERSION_ID=$(curl -fsSL https://api.modpacks.ch/public/modpack/${FTB_MODPACK_ID} | jq -r '.versions | sort_by(.updated)[-1].id'); then
+    log "ERROR unable to resolve latest modpack version ID for modpack ${FTB_MODPACK_ID}"
+    exit 1
+  fi
+elif ! [[ ${FTB_MODPACK_VERSION_ID} =~ [0-9]+ ]]; then
+  log "ERROR FTB_MODPACK_VERSION_ID needs to be numeric"
+  exit 1
+fi
+
+if ! [ -f "${ftbInstallMarker}" ] || [ $(cat "${ftbInstallMarker}") != "${FTB_MODPACK_ID}=${FTB_MODPACK_VERSION_ID}" ]; then
+  ftbInstaller=/data/ftb-installer
+  if ! [[ -f "${ftbInstaller}" ]]; then
+    log "Downloading FTB installer"
+    if [ "$(uname -m)" == "aarch64" ]; then
+      log "Downloading ARM installer"
+      curl -fsSL https://api.modpacks.ch/public/modpack/1/1/server/arm/linux -o "${ftbInstaller}"
+    else
+      log "Downloading x86 installer"
+      curl -fsSL https://api.modpacks.ch/public/modpack/1/1/server/linux -o "${ftbInstaller}"
+    fi
+    chmod +x "${ftbInstaller}"
+  fi
+
+  rm -rf forge*jar mods config libraries defaultconfigs changelogs
+
+  log "Installing modpack ID ${FTB_MODPACK_ID}, version ID ${FTB_MODPACK_VERSION_ID}"
+  ${ftbInstaller} ${FTB_MODPACK_ID} ${FTB_MODPACK_VERSION_ID} --noscript --auto
+  rm -f forge*installer.jar
+
+  echo "${FTB_MODPACK_ID}=${FTB_MODPACK_VERSION_ID}" > ${ftbInstallMarker}
+
+  writeEula
+
+  # some modpacks result in --w----r-- permissions
+  chmod a+r version.json
+else
+  log "FTB modpack ID ${FTB_MODPACK_ID}, version ID ${FTB_MODPACK_VERSION_ID} is ready to go"
+fi
+
+isDebugging && cat version.json
+forgeVersion=$(jq -r '.targets|unique[] | select(.name == "forge") | .version' version.json)
+fabricVersion=$(jq -r '.targets|unique[] | select(.name == "fabric") | .version' version.json)
+mcVersion=$(jq -r '.targets|unique[] | select(.name == "minecraft") | .version' version.json)
+
+variants=(
+  forge-${mcVersion}-${forgeVersion}.jar
+  forge-${mcVersion}-${forgeVersion}-universal.jar
+  forge-${mcVersion}-${forgeVersion}-${mcVersion}-universal.jar
+  fabric-${mcVersion}-${fabricVersion}-server-launch.jar
+)
+for f in ${variants[@]}; do
+  if [ -f $f ]; then
+    export SERVER=$f
+    break
+  fi
+done
+if ! [ -v SERVER ]; then
+  log "ERROR unable to locate the installed FTB server jar"
+  ls *.jar
+  exit 2
+fi
+
+exec ${SCRIPTS:-/}start-setupWorld $@
--- a/scripts/start-deployFabric
+++ b/scripts/start-deployFabric
@@ -0,0 +1,72 @@
+#!/bin/bash
+set -eu
+
+# shellcheck source=start-utils
+. ${SCRIPTS:-/}start-utils
+
+requireVar VANILLA_VERSION
+export TYPE=FABRIC
+export SERVER=fabric-server-${VANILLA_VERSION}.jar
+
+isDebugging && set -x
+
+if [[ ! -e ${SERVER} ]]; then
+
+  : ${FABRIC_INSTALLER:=}
+  : ${FABRIC_INSTALLER_URL:=}
+  : ${FABRIC_LOADER_VERSION:=LATEST}
+  : ${FABRIC_INSTALLER_VERSION:=${FABRICVERSION:-LATEST}}
+
+  if [[ -z $FABRIC_INSTALLER && -z $FABRIC_INSTALLER_URL ]]; then
+    log "Checking Fabric version information."
+    if [[ ${FABRIC_INSTALLER_VERSION^^} = LATEST ]]; then
+      FABRIC_INSTALLER_VERSION=$(maven-metadata-release https://maven.fabricmc.net/net/fabricmc/fabric-installer/maven-metadata.xml)
+    fi
+
+    FABRIC_INSTALLER="fabric-installer-${FABRIC_INSTALLER_VERSION}.jar"
+    FABRIC_INSTALLER_URL="https://maven.fabricmc.net/net/fabricmc/fabric-installer/${FABRIC_INSTALLER_VERSION}/fabric-installer-${FABRIC_INSTALLER_VERSION}.jar"
+  elif [[ -z $FABRIC_INSTALLER ]]; then
+    FABRIC_INSTALLER="fabric-installer.jar"
+  elif [[ ! -e $FABRIC_INSTALLER ]]; then
+    log "ERROR: the given Fabric installer doesn't exist : $FABRIC_INSTALLER"
+    exit 2
+  fi
+
+  if [[ -z $FABRIC_LOADER_VERSION || ${FABRIC_LOADER_VERSION^^} = LATEST ]]; then
+    log "Checking Fabric Loader version information."
+
+    FABRIC_LOADER_VERSION=$(maven-metadata-release https://maven.fabricmc.net/net/fabricmc/fabric-loader/maven-metadata.xml)
+  fi
+
+  if [[ ! -e $FABRIC_INSTALLER ]]; then
+    log "Downloading $FABRIC_INSTALLER_URL ..."
+    if ! get -o "$FABRIC_INSTALLER" "$FABRIC_INSTALLER_URL"; then
+      log "Failed to download from given location $FABRIC_INSTALLER_URL"
+      exit 2
+    fi
+  fi
+
+  log "Installing Fabric ${VANILLA_VERSION} using $FABRIC_INSTALLER with loader version $FABRIC_LOADER_VERSION"
+
+  tries=3
+  set +e
+  while ((--tries >= 0)); do
+    java -jar $FABRIC_INSTALLER server \
+      -mcversion $VANILLA_VERSION \
+      -loader $FABRIC_LOADER_VERSION \
+      -downloadMinecraft \
+      -dir /data
+    if [[ $? == 0 ]]; then
+      break
+    fi
+  done
+  set -e
+  if (($tries < 0)); then
+    log "Fabric failed to install after several tries." >&2
+    exit 10
+  fi
+
+  mv fabric-server-launch.jar "${SERVER}"
+fi
+
+exec ${SCRIPTS:-/}start-setupWorld "$@"
--- a/scripts/start-deployForge
+++ b/scripts/start-deployForge
@@ -0,0 +1,150 @@
+#!/bin/bash
+
+: "${FORGEVERSION:=RECOMMENDED}"
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
+isDebugging && set -x
+
+get_installer() {
+  if [[ -z $FORGE_INSTALLER_URL ]]; then
+    log "Downloading $normForgeVersion"
+
+    forgeFileNames="
+    $normForgeVersion/forge-$normForgeVersion-installer.jar
+    $shortForgeVersion/forge-$shortForgeVersion-installer.jar
+  "
+
+    for fn in $forgeFileNames; do
+      downloadUrl=https://maven.minecraftforge.net/net/minecraftforge/forge/$fn
+      log "...trying $downloadUrl"
+      if get -o "$FORGE_INSTALLER" "$downloadUrl"; then
+        return
+      fi
+    done
+    log "Unable to locate usable URL for $normForgeVersion"
+    exit 2
+ else
+    log "Downloading $FORGE_INSTALLER_URL ..."
+    if ! get -o "$FORGE_INSTALLER" "$FORGE_INSTALLER_URL"; then
+      log "Failed to download from given location $FORGE_INSTALLER_URL"
+      exit 2
+    fi
+  fi
+}
+
+install() {
+  if [ ! -e "$FORGE_INSTALLER" ]; then
+    get_installer "$normForgeVersion" "$shortForgeVersion"
+  fi
+
+  log "Installing Forge $shortForgeVersion using $FORGE_INSTALLER"
+  mkdir -p mods
+  tries=3
+  while ((--tries >= 0)); do
+    if java -jar "$FORGE_INSTALLER" --installServer; then
+      break
+    fi
+  done
+  if ((tries < 0)); then
+    log "Forge failed to install after several tries." >&2
+    exit 10
+  fi
+  # NOTE $shortForgeVersion will be empty if installer location was given to us
+  log "Finding installed server jar..."
+  unset -v latest
+  # 1.17+ ?
+  if [ -f /data/run.sh ]; then
+    latest=/data/run.sh
+  # else pre 1.17
+  else
+    for file in *forge*.jar; do
+      if ! [[ $file =~ installer ]]; then
+        if [[ -z $latest ]] || [[ $file -nt $latest ]]; then
+          latest=$file
+        fi
+      fi
+    done
+  fi
+  if [[ -z $latest ]]; then
+    log "Unable to derive server jar for Forge"
+    exit 2
+  fi
+
+  export SERVER=$latest
+  log "Using server $SERVER"
+  debug "Writing install marker at $installMarker"
+  echo "$SERVER" > "$installMarker"
+}
+
+resolve_versions() {
+  if [[ -z $FORGE_INSTALLER && -z $FORGE_INSTALLER_URL ]]; then
+    norm=$VANILLA_VERSION
+
+    case $VANILLA_VERSION in
+      *.*.*)
+        norm=$VANILLA_VERSION ;;
+      *.*)
+        norm=${VANILLA_VERSION}.0 ;;
+    esac
+
+    #################################################################################
+    promosUrl=http://files.minecraftforge.net/maven/net/minecraftforge/forge/promotions_slim.json
+
+    log "Checking Forge version information."
+    case $FORGEVERSION in
+      LATEST)
+        if ! FORGE_VERSION=$(get --json-path ".promos['$VANILLA_VERSION-latest']" "$promosUrl"); then
+          log "ERROR: Version $VANILLA_VERSION is not supported by Forge"
+          log "       Refer to http://files.minecraftforge.net/ for supported versions"
+          exit 2
+        fi
+        ;;
+
+      RECOMMENDED)
+        if ! FORGE_VERSION=$(get --json-path ".promos['$VANILLA_VERSION-recommended']" "$promosUrl"); then
+          if ! FORGE_VERSION=$(get --json-path ".promos['$VANILLA_VERSION-latest']" "$promosUrl"); then
+            log "ERROR: Version $VANILLA_VERSION is not supported by Forge"
+            log "       Refer to http://files.minecraftforge.net/ for supported versions"
+            exit 2
+          fi
+        fi
+        ;;
+
+      *)
+        FORGE_VERSION=$FORGEVERSION
+        ;;
+    esac
+
+    normForgeVersion=$VANILLA_VERSION-$FORGE_VERSION-$norm
+    shortForgeVersion=$VANILLA_VERSION-$FORGE_VERSION
+
+    FORGE_INSTALLER="/tmp/forge-$shortForgeVersion-installer.jar"
+  elif [[ -z $FORGE_INSTALLER ]]; then
+    FORGE_INSTALLER="/tmp/forge-installer.jar"
+  elif [[ ! -e $FORGE_INSTALLER ]]; then
+    log "ERROR: the given Forge installer doesn't exist : $FORGE_INSTALLER"
+    exit 2
+  else
+    shortForgeVersion=$VANILLA_VERSION-${FORGE_INSTALLER_CUSTOM_VERSION:-custom}
+  fi
+}
+
+### main
+
+resolve_versions
+
+installMarker="/data/.forge-installed-$shortForgeVersion"
+
+if [ ! -e "$installMarker" ] || isTrue "${FORCE_REINSTALL:-false}"; then
+  install
+else
+  SERVER=$(cat "$installMarker")
+  export SERVER
+  if [ ! -e "$SERVER" ]; then
+    rm "$installMarker"
+    install
+  fi
+fi
+
+exec "${SCRIPTS:-/}start-setupWorld" "$@"
--- a/scripts/start-deployLimbo
+++ b/scripts/start-deployLimbo
@@ -0,0 +1,63 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${LIMBO_BUILD:=LATEST}
+: ${FORCE_REDOWNLOAD:=false}
+: ${LIMBO_SCHEMA_FILENAME:=default.schem}
+: ${LEVEL:=Default;${LIMBO_SCHEMA_FILENAME}}
+# defaults to localhost, if this is not set
+: ${SERVER_IP:=0.0.0.0}
+
+export LEVEL SERVER_IP
+
+if [[ ${LIMBO_BUILD^^} == LATEST ]]; then
+  LIMBO_BUILD=lastStableBuild
+fi
+
+baseUrl="https://ci.loohpjames.com/job/Limbo/${LIMBO_BUILD}"
+buildInfoUrl="${baseUrl}/api/json"
+buildJson=$(curl -fsSL "${buildInfoUrl}")
+if [ $? != 0 ]; then
+  log "ERROR failed to get build info from ${buildInfoUrl} (status=$?)"
+  exit 1
+fi
+
+if [[ ${LIMBO_BUILD} = lastStableBuild ]]; then
+  LIMBO_BUILD=$(jq -r '.number' <<<${buildJson})
+  log "Resolved latest Limbo build to ${LIMBO_BUILD}"
+fi
+artifactPath=$(jq -r '.artifacts[] | select(.fileName|test("^Limbo-")) | .relativePath' <<<${buildJson})
+defaultSchemaPath=$(jq -r '.artifacts[] | select(.fileName|test(".*\\.schem")) | .relativePath' <<<${buildJson})
+
+export SERVER="limbo-${LIMBO_BUILD}.jar"
+
+if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
+    downloadUrl="${baseUrl}/artifact/${artifactPath}"
+    log "Downloading Limbo from $downloadUrl ..."
+    if ! curl -fsSL -o "$SERVER" "$downloadUrl"; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+
+fi
+
+if [ ! -f "${LIMBO_SCHEMA_FILENAME}" ]; then
+  log "Downloading default schem file"
+  if ! curl -o "${LIMBO_SCHEMA_FILENAME}" -fsSL "${baseUrl}/artifact/${defaultSchemaPath}"; then
+      log "ERROR: failed to download schema file $baseUrl (status=$?)"
+      exit 3
+  fi
+fi
+
+if [[ ${LEVEL} != *\;* ]]; then
+  LEVEL="${LEVEL};${LIMBO_SCHEMA_FILENAME}"
+fi
+export LEVEL
+
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-setupWorld $@
--- a/scripts/start-deployMagma
+++ b/scripts/start-deployMagma
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+export SKIP_LOG4J_CONFIG=true
+
+isDebugging && set -x
+
+: ${VANILLA_VERSION?}
+# stable, dev
+: ${MAGMA_CHANNEL:=stable}
+
+
+magmaDownloadServer() {
+  url=${1?}
+  tagName=${2?}
+  markerFile=${3?}
+
+  export SERVER="/data/magma-server-${VANILLA_VERSION}.jar"
+
+  log "Downloading Magma server file for ${VANILLA_VERSION} @ ${tagName}"
+  if ! curl -o /data/magma-server-${VANILLA_VERSION}.jar -fsSL "$url"; then
+    log "ERROR failed to download Magma server from $url (status=$?)"
+    exit 1
+  fi
+
+  echo -n "$SERVER" > "$markerFile"
+}
+
+magmaHandleInstaller() {
+  url=${1?}
+  tagName=${2?}
+  markerFile=${3?}
+
+  installerFile="magma-installer-${VANILLA_VERSION}-${tagName}.jar"
+  log "Downloading Magma installer file for ${VANILLA_VERSION} @ ${tagName}"
+  if ! curl -o "$installerFile" -fsSL "$url"; then
+    log "ERROR failed to download Magma installer from $url (status=$?)"
+    exit 1
+  fi
+
+  echo "forge" > "$markerFile"
+
+  export FORGE_INSTALLER="$installerFile"
+  export FORGE_INSTALLER_CUSTOM_VERSION="$tagName"
+
+  # now hand off the rest to forge
+  exec ${SCRIPTS:-/}start-deployForge "$@"
+}
+
+latestMeta=$(curl -fsSL https://api.magmafoundation.org/api/resources/Magma/${VANILLA_VERSION}/${MAGMA_CHANNEL}/latest || exit $?)
+if [ $? != 0 ]; then
+  log "ERROR failed to locate latest Magma info for ${VANILLA_VERSION} in channel ${MAGMA_CHANNEL} (error=$?)"
+  exit 1
+fi
+
+tagName=$(echo "${latestMeta}" | jq -r '.tag_name')
+markerFile=".magma-installed-${VANILLA_VERSION}-${tagName}"
+if [ -f "${markerFile}" ]; then
+  installedTagName=$(cat "${markerFile}")
+fi
+
+if [ ! -f "${markerFile}" ]; then
+
+  if versionLessThan 1.16; then
+    assetType=server
+  else
+    assetType=installer
+  fi
+
+  assetUrl=$(echo "${latestMeta}" | jq -r ".assets | .[].browser_download_url | select(test(\"${assetType}\"))")
+  if [ $? != 0 ] || [ -z "$assetUrl" ]; then
+    log "ERROR failed to extract ${assetType} asset type for ${VANILLA_VERSION} in channel ${MAGMA_CHANNEL}"
+    exit 1
+  fi
+
+  if [[ ${assetType} = server ]]; then
+    magmaDownloadServer "$assetUrl" "$tagName" "$markerFile"
+  else
+    magmaHandleInstaller "$assetUrl" "$tagName" "$markerFile"
+  fi
+else
+  export SERVER=$(cat "${markerFile}")
+
+  if [[ $SERVER == "forge" ]]; then
+    export FORGE_INSTALLER="magma-installer-${VANILLA_VERSION}-${tagName}.jar"
+    export FORGE_INSTALLER_CUSTOM_VERSION="$tagName"
+    # now hand off the rest to forge
+    exec ${SCRIPTS:-/}start-deployForge "$@"
+  fi
+fi
+
+exec ${SCRIPTS:-/}start-setupWorld $@
--- a/scripts/start-deployMohist
+++ b/scripts/start-deployMohist
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
+set -o pipefail
+set -e
+isDebugging && set -x
+
+requireVar VANILLA_VERSION
+: "${MOHIST_BUILD:=lastSuccessfulBuild}"
+
+mohistJobs=https://ci.codemc.io/job/MohistMC/job/
+mohistJob=${mohistJobs}Mohist-${VANILLA_VERSION}/
+
+if ! get --exists "${mohistJob}"; then
+  log "ERROR: mohist builds do not exist for ${VANILLA_VERSION}"
+  log "       check https://ci.codemc.io/job/MohistMC/ for available versions"
+  log "       and set VERSION accordingly"
+  exit 1
+fi
+
+buildRelPath=$(
+  get --json-path '$.artifacts[0].relativePath' "${mohistJob}${MOHIST_BUILD}/api/json"
+)
+
+baseName=$(basename "${buildRelPath}")
+if [[ ${baseName} != *-server.jar* ]]; then
+  log "ERROR: mohist build for ${VANILLA_VERSION} is not a valid server jar, found ${baseName}"
+  log "       check https://ci.codemc.io/job/MohistMC/ for available versions"
+  log "       and set VERSION accordingly"
+  exit 1
+fi
+
+export SERVER="/data/${baseName}"
+
+if [ ! -f "${SERVER}" ]; then
+  log "Downloading ${baseName}"
+  get -o "${SERVER}" "${mohistJob}${MOHIST_BUILD}/artifact/${buildRelPath}"
+fi
+
+export SKIP_LOG4J_CONFIG=true
+
+exec "${SCRIPTS:-$(dirname "$0")}/start-setupWorld" "$@"
--- a/scripts/start-deployPaper
+++ b/scripts/start-deployPaper
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+set -o pipefail
+isDebugging && set -x
+
+if [[ $PAPER_DOWNLOAD_URL ]]; then
+  export SERVER=$(getFilenameFromUrl "${PAPER_DOWNLOAD_URL}")
+
+  if [ -f "$SERVER" ]; then
+    zarg=(-z "$SERVER")
+  fi
+
+  echo "Preparing custom PaperMC jar from $PAPER_DOWNLOAD_URL"
+
+  curl -fsSL -o "$SERVER" "${zarg[@]}" "${PAPER_DOWNLOAD_URL}"
+else
+  # PaperMC API v2 docs : https://papermc.io/api/docs/swagger-ui/index.html?configUrl=/api/openapi/swagger-config
+
+  build=${PAPERBUILD:=$(curl -fsSL "https://papermc.io/api/v2/projects/paper/versions/${VANILLA_VERSION}" -H  "accept: application/json" \
+   | jq '.builds[-1]')}
+  case $? in
+    0)
+      ;;
+    22)
+      versions=$(curl -fsSL "https://papermc.io/api/v2/projects/paper" -H  "accept: application/json")
+      if [[ $VERSION = LATEST ]]; then
+          VANILLA_VERSION=$(echo "$versions" | jq -r '.versions[-1]')
+          log "WARN: using ${VANILLA_VERSION} since that's the latest provided by PaperMC"
+          # re-execute the current script with the newly computed version
+          exec "$0" "$@"
+      fi
+      log "ERROR: ${VANILLA_VERSION} is not published by PaperMC"
+      log "       Set VERSION to one of the following: "
+      log "       $(echo "$versions" | jq -r '.versions | join(", ")')"
+      exit 1
+      ;;
+    *)
+      echo "ERROR: unknown error while looking up PaperMC version=${VANILLA_VERSION}"
+      exit 1
+      ;;
+  esac
+  if [ $? != 0 ]; then
+    echo "ERROR: failed to lookup PaperMC build from version ${VANILLA_VERSION}"
+    exit 1
+  fi
+
+  export SERVER=$(curl -fsSL "https://papermc.io/api/v2/projects/paper/versions/${VANILLA_VERSION}/builds/${build}" -H  "accept: application/json" \
+   | jq -r '.downloads.application.name')
+  if [ $? != 0 ]; then
+    echo "ERROR: failed to lookup PaperMC download file from version=${VANILLA_VERSION} build=${build}"
+    exit 1
+  fi
+
+  if [ -f "$SERVER" ]; then
+    zarg=(-z "$SERVER")
+  fi
+
+  log "Removing old PaperMC versions ..."
+  shopt -s nullglob
+  for f in paper-*.jar; do
+    [[ $f != $SERVER ]] && rm $f
+  done
+
+  log "Downloading PaperMC $VANILLA_VERSION (build $build) ..."
+  curl -fsSL -o "$SERVER" "${zarg[@]}" \
+    "https://papermc.io/api/v2/projects/paper/versions/${VANILLA_VERSION}/builds/${build}/downloads/${SERVER}" \
+    -H  "accept: application/java-archive"
+  if [ $? != 0 ]; then
+    echo "ERROR: failed to download PaperMC from version=${VANILLA_VERSION} build=${build} download=${SERVER}"
+    exit 1
+  fi
+fi
+
+# Normalize on Spigot for downstream operations
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-spiget "$@"
--- a/scripts/start-deployPurpur
+++ b/scripts/start-deployPurpur
@@ -0,0 +1,37 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${VANILLA_VERSION:?}
+: ${PURPUR_BUILD:=LATEST}
+: ${FORCE_REDOWNLOAD:=false}
+
+if [[ ${PURPUR_BUILD} == LATEST ]]; then
+  PURPUR_BUILD=$(curl -fsSL "https://api.pl3x.net/v2/purpur/${VANILLA_VERSION}" |
+    jq -r '.builds.latest' || echo "")
+  if [[ -z ${PURPUR_BUILD} ]]; then
+    log "ERROR: Failed to locate a Purpur build for ${VANILLA_VERSION}."
+    log "       Please check if a download is available at https://purpur.pl3x.net/downloads/"
+    exit 3
+  fi
+fi
+
+export SERVER="purpur-${VANILLA_VERSION}-${PURPUR_BUILD}.jar"
+
+if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
+    downloadUrl="https://api.pl3x.net/v2/purpur/${VANILLA_VERSION}/${PURPUR_BUILD}/download"
+    log "Downloading Purpur from $downloadUrl ..."
+    if ! curl -fsSL -o "$SERVER" "$downloadUrl"; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+fi
+
+# Normalize on Spigot for later operations
+export TYPE=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-spiget "$@"
--- a/scripts/start-deploySpongeVanilla
+++ b/scripts/start-deploySpongeVanilla
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+export TYPE=spongevanilla
+: ${SPONGEBRANCH:=STABLE}
+: ${SPONGEVERSION:=}
+
+# Parse branch
+log "Choosing branch for Sponge"
+case "$SPONGEBRANCH" in
+
+  EXPERIMENTAL|experimental|BLEEDING|bleeding)
+    SPONGEBRANCH=bleeding
+  ;;
+
+  *)
+    SPONGEBRANCH=stable
+  ;;
+
+esac
+
+# If not SPONGEVERSION selected, detect last version on selected branch
+if [ -z $SPONGEVERSION ]; then
+  log "Choosing Version for Sponge"
+  if [ "$SPONGEBRANCH" == "stable" ]; then
+    export SPONGEVERSION=`curl -fsSL https://dl-api.spongepowered.org/v1/org.spongepowered/$TYPE | jq -r '.buildTypes.stable.latest.version'`
+  else
+    export SPONGEVERSION=`curl -fsSL https://dl-api.spongepowered.org/v1/org.spongepowered/$TYPE | jq -r '.buildTypes.bleeding.latest.version'`
+  fi
+fi
+
+export SERVER="spongevanilla-$SPONGEVERSION.jar"
+
+if [ ! -e $SERVER ] || [ -n "$FORCE_REDOWNLOAD" ]; then
+  log "Downloading $SERVER ..."
+  curl -sSL -o $SERVER https://repo.spongepowered.org/maven/org/spongepowered/$TYPE/$SPONGEVERSION/$SERVER
+fi
+
+exec ${SCRIPTS:-/}start-setupWorld $@
--- a/scripts/start-deployVanilla
+++ b/scripts/start-deployVanilla
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
+isDebugging && set -x
+set -o pipefail
+
+export SERVER="minecraft_server.${VANILLA_VERSION// /_}.jar"
+
+if [ ! -e "$SERVER" ] || [ -n "$FORCE_REDOWNLOAD" ]; then
+  log "Downloading $SERVER ..."
+  debug "Finding version manifest for $VANILLA_VERSION"
+  versionManifestUrl=$(get 'https://launchermeta.mojang.com/mc/game/version_manifest.json' | jq --arg VANILLA_VERSION "$VANILLA_VERSION" --raw-output '[.versions[]|select(.id == $VANILLA_VERSION)][0].url')
+  result=$?
+  if [ $result != 0 ]; then
+    log "ERROR failed to obtain version manifest URL ($result)"
+    exit 1
+  fi
+  if [ "$versionManifestUrl" = "null" ]; then
+    log "ERROR couldn't find a matching manifest entry for $VANILLA_VERSION"
+    exit 1
+  fi
+  debug "Found version manifest at $versionManifestUrl"
+
+  serverDownloadUrl=$(get --json-path '$.downloads.server.url' "${versionManifestUrl}")
+  result=$?
+  if [ $result != 0 ]; then
+    log "ERROR failed to obtain version manifest from $versionManifestUrl ($result)"
+    exit 1
+  elif [ "$serverDownloadUrl" = "null" ]; then
+    log "ERROR version $VANILLA_VERSION does not provide a server download"
+    exit 1
+  fi
+
+  debug "Downloading server from $serverDownloadUrl"
+  get -o "$SERVER" "$serverDownloadUrl"
+  result=$?
+  if [ $result != 0 ]; then
+    log "ERROR failed to download server from $serverDownloadUrl ($result)"
+    exit 1
+  fi
+fi
+
+isDebugging && ls -l
+
+exec "${SCRIPTS:-/}start-setupWorld" "$@"
--- a/scripts/start-finalExec
+++ b/scripts/start-finalExec
@@ -0,0 +1,261 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+if [ -n "$OPS" ]; then
+  log "Updating ops"
+  rm -f /data/ops.txt.converted
+  echo $OPS | awk -v RS=, '{print}' > /data/ops.txt
+fi
+if isTrue "${OVERRIDE_OPS}"; then
+  log "Recreating ops.json file at server startup"
+  rm -f /data/ops.json
+fi
+
+if [ -n "$WHITELIST" ]; then
+  log "Updating whitelist"
+  rm -f /data/white-list.txt.converted
+  echo $WHITELIST | awk -v RS=, '{print}' > /data/white-list.txt
+fi
+if isTrue "${OVERRIDE_WHITELIST}"; then
+  log "Recreating whitelist.json file at server startup"
+  rm -f /data/whitelist.json
+fi
+
+if [ -n "$ICON" ]; then
+    if [ ! -e server-icon.png ] || [ "${OVERRIDE_ICON}" == "TRUE" ]; then
+      log "Using server icon from $ICON..."
+      # Not sure what it is yet...call it "img"
+      curl -sSL -o /tmp/icon.img $ICON
+      specs=$(identify /tmp/icon.img | awk '{print $2,$3}')
+      if [ "$specs" = "PNG 64x64" ]; then
+        mv /tmp/icon.img /data/server-icon.png
+      else
+        log "Converting image to 64x64 PNG..."
+        convert /tmp/icon.img -resize 64x64! /data/server-icon.png
+      fi
+    fi
+fi
+
+if isTrue ${ENABLE_ROLLING_LOGS:-false}; then
+  # Set up log configuration
+  LOGFILE="/data/log4j2.xml"
+  if [ ! -e "$LOGFILE" ]; then
+    log "Creating log4j2.xml in ${LOGFILE}"
+    cp /tmp/log4j2.xml "$LOGFILE"
+  else
+    log "log4j2.xml already created, skipping"
+  fi
+  JVM_OPTS="-Dlog4j.configurationFile=/data/log4j2.xml ${JVM_OPTS}"
+fi
+
+# Make sure files exist and are valid JSON (for pre-1.12 to 1.12 upgrades)
+log "Checking for JSON files."
+JSON_FILES=$(find /data -maxdepth 1 -name '*.json')
+for j in $JSON_FILES; do
+  if [[ $(cat "$j" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//') == "" ]]; then
+    log "Fixing JSON $j"
+    echo '[]' > $j
+  fi
+done
+
+# Optional disable console
+if versionLessThan 1.14 && [[ ${CONSOLE,,} = false ]]; then
+  EXTRA_ARGS+=" --noconsole"
+fi
+
+# Optional disable GUI for headless servers
+if [[ ${GUI} = false || ${GUI} = FALSE ]]; then
+  EXTRA_ARGS+=" nogui"
+fi
+
+# put these prior JVM_OPTS at the end to give any memory settings there higher precedence
+log "Setting initial memory to ${INIT_MEMORY:=${MEMORY}} and max to ${MAX_MEMORY:=${MEMORY}}"
+
+expandedDOpts=
+if [ -n "$JVM_DD_OPTS" ]; then
+      for dopt in $JVM_DD_OPTS
+      do
+          expandedDOpts="${expandedDOpts} -D${dopt/:/=}"
+      done
+fi
+
+if isTrue ${ENABLE_JMX}; then
+  : ${JMX_PORT:=7091}
+  JVM_OPTS="${JVM_OPTS}
+  -Dcom.sun.management.jmxremote.local.only=false
+  -Dcom.sun.management.jmxremote.port=${JMX_PORT}
+  -Dcom.sun.management.jmxremote.rmi.port=${JMX_PORT}
+  -Dcom.sun.management.jmxremote.authenticate=false
+  -Dcom.sun.management.jmxremote.ssl=false
+  -Dcom.sun.management.jmxremote.host=${JMX_BINDING:-0.0.0.0}
+  -Djava.rmi.server.hostname=${JMX_HOST:-localhost}"
+
+  log "JMX is enabled. Make sure you have port forwarding for ${JMX_PORT}"
+fi
+
+if isTrue "${USE_AIKAR_FLAGS}"; then
+  # From https://mcflags.emc.gs/
+
+  if (( $(normalizeMemSize "${MAX_MEMORY}") >= $(normalizeMemSize 12g) )); then
+    log "Using Aikar's >12GB flags"
+    G1NewSizePercent=40
+    G1MaxNewSizePercent=50
+    G1HeapRegionSize=16M
+    G1ReservePercent=15
+    InitiatingHeapOccupancyPercent=20
+  else
+    log "Using Aikar's flags"
+    G1NewSizePercent=30
+    G1MaxNewSizePercent=40
+    G1HeapRegionSize=8M
+    G1ReservePercent=20
+    InitiatingHeapOccupancyPercent=15
+  fi
+
+  JVM_XX_OPTS="${JVM_XX_OPTS}
+  -XX:+UseG1GC
+  -XX:+ParallelRefProcEnabled
+  -XX:MaxGCPauseMillis=200
+  -XX:+UnlockExperimentalVMOptions
+  -XX:+DisableExplicitGC
+  -XX:+AlwaysPreTouch
+  -XX:G1NewSizePercent=${G1NewSizePercent}
+  -XX:G1MaxNewSizePercent=${G1MaxNewSizePercent}
+  -XX:G1HeapRegionSize=${G1HeapRegionSize}
+  -XX:G1ReservePercent=${G1ReservePercent}
+  -XX:G1HeapWastePercent=5
+  -XX:G1MixedGCCountTarget=4
+  -XX:InitiatingHeapOccupancyPercent=${InitiatingHeapOccupancyPercent}
+  -XX:G1MixedGCLiveThresholdPercent=90
+  -XX:G1RSetUpdatingPauseTimePercent=5
+  -XX:SurvivorRatio=32
+  -XX:+PerfDisableSharedMem
+  -XX:MaxTenuringThreshold=1
+  -Dusing.aikars.flags=https://mcflags.emc.gs
+  -Daikars.new.flags=true
+  "
+fi
+
+if isTrue "${USE_LARGE_PAGES}"; then
+  JVM_XX_OPTS="${JVM_XX_OPTS}
+  -XX:+UseLargePagesInMetaspace
+  "
+fi
+
+if isTrue "${USE_FLARE_FLAGS}"; then
+  JVM_XX_OPTS="${JVM_XX_OPTS}
+  -XX:+UnlockDiagnosticVMOptions
+  -XX:+DebugNonSafepoints
+  "
+fi
+
+if isTrue "${DEBUG_MEMORY}"; then
+  log "Memory usage and availability (in MB)"
+  uname -a
+  free -m
+fi
+
+JVM_OPTS="-Xms${INIT_MEMORY} -Xmx${MAX_MEMORY} ${JVM_OPTS}"
+
+function copyFilesForCurseForge() {
+  # copy player modification files unconditionally since their
+  # processing into json is additive anyway
+  [ -f /data/ops.txt ] && cp -f /data/ops.txt "${FTB_DIR}/"
+  [ -f /data/white-list.txt ] && cp -f /data/white-list.txt "${FTB_DIR}/"
+
+  if [ ! -e "${FTB_DIR}/server-icon.png" -a -e /data/server-icon.png ]; then
+    cp -f /data/server-icon.png "${FTB_DIR}/"
+  fi
+
+  cp -f /data/eula.txt "${FTB_DIR}/"
+}
+
+mcServerRunnerArgs=(
+--stop-duration "${STOP_DURATION:-60}s"
+--named-pipe "${CONSOLE_IN_NAMED_PIPE:-/tmp/minecraft-console-in}"
+)
+if [[ ${STOP_SERVER_ANNOUNCE_DELAY} ]]; then
+  mcServerRunnerArgs+=(--stop-server-announce-delay "${STOP_SERVER_ANNOUNCE_DELAY}s")
+fi
+
+if [[ ${TYPE} == "CURSEFORGE" && "${SERVER}" ]]; then
+  copyFilesForCurseForge
+
+  cd "${FTB_DIR}" || (log "ERROR: can't go into ${FTB_DIR}"; exit 1)
+  log "Starting CurseForge server in ${FTB_DIR}..."
+  if isTrue ${DEBUG_EXEC}; then
+    set -x
+  fi
+  exec mc-server-runner ${bootstrapArgs} "${mcServerRunnerArgs[@]}" java $JVM_XX_OPTS $JVM_OPTS $expandedDOpts -jar $(basename "${SERVER}") "$@" $EXTRA_ARGS
+elif [[ ${TYPE} == "CURSEFORGE" ]]; then
+  mcServerRunnerArgs+=(--shell bash)
+
+  copyFilesForCurseForge
+
+  cat > "${FTB_DIR}/settings-local.sh" <<EOF
+export MIN_RAM="${INIT_MEMORY}"
+export MAX_RAM="${MAX_MEMORY}"
+export JAVA_PARAMETERS="${JVM_XX_OPTS} -Xms${INIT_MEMORY} ${JVM_OPTS} $expandedDOpts"
+EOF
+
+  # patch CurseForge cfg file, if present
+  if [ -f "${FTB_DIR}/settings.cfg" ]; then
+    sed -i "s/MAX_RAM=[^;]*/MAX_RAM=${MAX_MEMORY}/" "${FTB_DIR}/settings.cfg"
+  fi
+
+  cd "${FTB_DIR}" || (log "ERROR: can't go into ${FTB_DIR}"; exit 1)
+  log "Running FTB ${FTB_SERVER_START} in ${FTB_DIR} ..."
+
+  finalArgs="${FTB_SERVER_START}"
+
+  if isTrue ${SETUP_ONLY:=false}; then
+    echo "SETUP_ONLY: ${finalArgs}"
+    exit
+  fi
+
+  if isTrue ${DEBUG_EXEC}; then
+    set -x
+  fi
+  if isTrue ${EXEC_DIRECTLY:-false}; then
+    "${finalArgs[@]}"
+  else
+    exec mc-server-runner "${mcServerRunnerArgs[@]}" "${finalArgs[@]}"
+  fi
+elif [[ -x run.sh ]]; then
+  log "Using Forge supplied run.sh script..."
+  echo $JVM_XX_OPTS $JVM_OPTS $expandedDOpts > user_jvm_args.txt
+  exec mc-server-runner "${mcServerRunnerArgs[@]}" --shell bash run.sh
+else
+  # If we have a bootstrap.txt file... feed that in to the server stdin
+  if [ -f /data/bootstrap.txt ]; then
+    bootstrapArgs="--bootstrap /data/bootstrap.txt"
+  fi
+
+  log "Starting the Minecraft server..."
+
+  finalArgs=(
+    $JVM_XX_OPTS
+    $JVM_OPTS
+    $expandedDOpts
+    -jar "$SERVER"
+    "$@" $EXTRA_ARGS
+  )
+
+  if isTrue ${SETUP_ONLY:=false}; then
+    echo "SETUP_ONLY: java ${finalArgs[*]}"
+    exit
+  fi
+
+  if isTrue ${DEBUG_EXEC}; then
+    set -x
+  fi
+
+  if isTrue ${EXEC_DIRECTLY:-false}; then
+    exec java "${finalArgs[@]}"
+  else
+    exec mc-server-runner ${bootstrapArgs} "${mcServerRunnerArgs[@]}" java "${finalArgs[@]}"
+  fi
+fi
+
--- a/scripts/start-setupEnvVariables
+++ b/scripts/start-setupEnvVariables
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+set -e
+
+: ${REPLACE_ENV_IN_PLACE:=${REPLACE_ENV_VARIABLES:-false}}
+: ${REPLACE_ENV_PATHS:=/data}
+: ${REPLACE_ENV_SUFFIXES:=yml,yaml,txt,cfg,conf,properties,hjson,json,tml,toml}
+: ${REPLACE_ENV_VARIABLE_PREFIX:=${ENV_VARIABLE_PREFIX:-CFG_}}
+: ${REPLACE_ENV_VARIABLES_EXCLUDES:=}
+: ${REPLACE_ENV_VARIABLES_EXCLUDE_PATHS:=}
+: ${PATCH_DEFINITIONS:=}
+: ${DEBUG:=false}
+
+if isTrue "${REPLACE_ENV_IN_PLACE}"; then
+  log "Replacing env variables in ${REPLACE_ENV_PATHS} that match the prefix $REPLACE_ENV_VARIABLE_PREFIX ..."
+
+  mc-image-helper --debug=${DEBUG} interpolate \
+    --replace-env-file-suffixes="${REPLACE_ENV_SUFFIXES}" \
+    --replace-env-excludes="${REPLACE_ENV_VARIABLES_EXCLUDES}" \
+    --replace-env-exclude-paths="${REPLACE_ENV_VARIABLES_EXCLUDE_PATHS}" \
+    --replace-env-prefix=${REPLACE_ENV_VARIABLE_PREFIX} \
+    "${REPLACE_ENV_PATHS[@]}"
+fi
+
+if [[ ${PATCH_DEFINITIONS} ]]; then
+  log "Applying patch definitions from ${PATCH_DEFINITIONS}"
+  mc-image-helper --debug=${DEBUG} patch \
+    --patch-env-prefix=${REPLACE_ENV_VARIABLE_PREFIX} \
+    "${PATCH_DEFINITIONS}"
+fi
+
+exec ${SCRIPTS:-/}start-finalExec $@
--- a/scripts/start-setupModconfig
+++ b/scripts/start-setupModconfig
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+# If supplied with a URL for a config (simple zip of configurations), download it and unpack
+if [[ "$MODCONFIG" ]]; then
+case "X$MODCONFIG" in
+  X[Hh][Tt][Tt][Pp]*[Zz][iI][pP])
+    log "Downloading mod/plugin configs via HTTP"
+    log "  from $MODCONFIG ..."
+    curl -sSL -o /tmp/modconfig.zip "$MODCONFIG"
+    if [ "$TYPE" = "SPIGOT" ]; then
+      mkdir -p /data/plugins
+      unzip -o -d /data/plugins /tmp/modconfig.zip
+    else
+      mkdir -p /data/config
+      unzip -o -d /data/config /tmp/modconfig.zip
+    fi
+    rm -f /tmp/modconfig.zip
+    ;;
+  *)
+    log "Invalid URL given for modconfig: Must be HTTP or HTTPS and a ZIP file"
+    ;;
+esac
+fi
+
+exec ${SCRIPTS:-/}start-setupMounts $@
--- a/scripts/start-setupModpack
+++ b/scripts/start-setupModpack
@@ -0,0 +1,207 @@
+#!/bin/bash
+
+set -e -o pipefail
+
+: "${REMOVE_OLD_MODS:=false}"
+: "${MODS_FILE:=}"
+: "${REMOVE_OLD_MODS_DEPTH:=1} "
+: "${REMOVE_OLD_MODS_INCLUDE:=*.jar}"
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-$(dirname "$0")}/start-utils"
+isDebugging && set -x
+
+#  CURSE_URL_BASE used in manifest downloads below
+CURSE_URL_BASE=${CURSE_URL_BASE:-https://minecraft.curseforge.com/projects}
+
+# Remove old mods/plugins
+if isTrue "${REMOVE_OLD_MODS}" && [ -z "${MODS_FILE}" ]; then
+  removeOldMods /data/mods
+  removeOldMods /data/plugins
+fi
+
+# If supplied with a URL for a modpack (simple zip of jars), download it and unpack
+if [[ "$MODPACK" ]]; then
+  if isURL "${MODPACK}"; then
+    log "Downloading mod/plugin pack"
+    if ! get -o /tmp/modpack.zip "${MODPACK}"; then
+      log "ERROR: failed to download from ${MODPACK}"
+      exit 2
+    fi
+  elif [[ "$MODPACK" =~ .*\.zip ]]; then
+    if ! cp "$MODPACK" /tmp/modpack.zip; then
+      log "ERROR: failed to copy from $MODPACK"
+      exit 2
+    fi
+  else
+    log "ERROR Invalid URL or Path given for MODPACK: $MODPACK"
+    exit 1
+  fi
+
+  if [ "$TYPE" = "SPIGOT" ]; then
+    mkdir -p /data/plugins
+    if ! unzip -o -d /data/plugins /tmp/modpack.zip; then
+      log "ERROR: failed to unzip the modpack from ${MODPACK}"
+    fi
+  else
+    mkdir -p /data/mods
+    if ! unzip -o -d /data/mods /tmp/modpack.zip; then
+      log "ERROR: failed to unzip the modpack from ${MODPACK}"
+    fi
+  fi
+  rm -f /tmp/modpack.zip
+
+elif [[ "$MODS" ]]; then
+  if [ "$TYPE" = "SPIGOT" ]; then
+    out_dir=/data/plugins
+  else
+    out_dir=/data/mods
+  fi
+  mkdir -p "$out_dir"
+
+  for i in ${MODS//,/ }
+  do
+    if isURL "$i"; then
+      log "Downloading mod/plugin $i ..."
+      if ! get -o "${out_dir}" "$i"; then
+        log "ERROR: failed to download from $i into $out_dir"
+        exit 2
+      fi
+    elif [[ -f "$i" && "$i" =~ .*\.jar ]]; then
+      log "Copying plugin located at $i ..."
+      out_file=$(basename "$i")
+      if ! cp "$i" "${out_dir}/$out_file"; then
+        log "ERROR: failed to copy from $i into $out_dir"
+        exit 2
+      fi
+    elif [[ -d "$i" ]]; then
+      log "Copying plugin jars from $i ..."
+      cp "$i"/*.jar "${out_dir}"
+    else
+      log "ERROR Invalid URL or path given in MODS: $i"
+      exit 2
+    fi
+  done
+
+elif [[ "$MODS_FILE" ]]; then
+  if [ ! -f "$MODS_FILE" ]; then
+    log "ERROR: given MODS_FILE file does not exist"
+    exit 2
+  fi
+
+  if [ "$TYPE" = "SPIGOT" ]; then
+    out_dir=/data/plugins
+  else
+    out_dir=/data/mods
+  fi
+  mkdir -p "$out_dir"
+
+  args=(
+    -o "${out_dir}"
+    --log-progress-each
+    --skip-existing
+    --uris-file "${MODS_FILE}"
+  )
+  if isTrue "${REMOVE_OLD_MODS}"; then
+    args+=(
+    --prune-others "${REMOVE_OLD_MODS_INCLUDE}"
+    --prune-depth "${REMOVE_OLD_MODS_DEPTH}"
+    )
+  fi
+
+  if ! get "${args[@]}" ; then
+    log "ERROR: failed to retrieve one or more mods"
+    exit 1
+  fi
+fi
+
+if [[ "$MANIFEST" ]]; then
+    if [[ -e "$MANIFEST" ]]; then
+        EFFECTIVE_MANIFEST_FILE=$MANIFEST
+    elif isURL "$MANIFEST"; then
+        EFFECTIVE_MANIFEST_FILE=/tmp/manifest.json
+        EFFECTIVE_MANIFEST_URL=$(curl -Ls -o /dev/null -w %{effective_url} $MANIFEST)
+        curl -Ls -o $EFFECTIVE_MANIFEST_FILE "$EFFECTIVE_MANIFEST_URL"
+    else
+        log "MANIFEST='$MANIFEST' is not a valid manifest url or location"
+        exit 2
+    fi
+
+case "X$EFFECTIVE_MANIFEST_FILE" in
+  X*.json)
+    if [ -f "${EFFECTIVE_MANIFEST_FILE}" ]; then
+      MOD_DIR=${FTB_BASE_DIR:-/data}/mods
+      if [ ! -d "$MOD_DIR" ]
+      then
+        log "Creating mods dir $MOD_DIR"
+        mkdir -p "$MOD_DIR"
+      fi
+      log "Starting manifest download..."
+      cat "${EFFECTIVE_MANIFEST_FILE}" | jq -r '.files[] | (.projectID|tostring) + " " + (.fileID|tostring)'| while read -r p f
+      do
+        if [ ! -f $MOD_DIR/${p}_${f}.jar ]
+        then
+          redirect_url="$(curl -Ls -o /dev/null -w %{effective_url} ${CURSE_URL_BASE}/${p})"
+          url="$redirect_url/download/${f}/file"
+          log Downloading curseforge mod $url
+          #  Manifest usually doesn't have mod names. Using id should be fine, tho
+          curl -sSL "${url}" -o $MOD_DIR/${p}_${f}.jar
+        fi
+      done
+    else
+      log "Could not find manifest file, insufficient privileges, or malformed path."
+    fi
+    ;;
+  *)
+    log "Invalid manifest file for modpack. Please make sure it is a .json file."
+    ;;
+esac
+fi
+
+if [[ "${GENERIC_PACK}" ]]; then
+  if isURL "${GENERIC_PACK}"; then
+    log "Downloading generic pack ..."
+    if ! curl -fsSL -o /tmp/generic_pack.zip "${GENERIC_PACK}"; then
+      log "ERROR: failed to download ${GENERIC_PACK}"
+      exit 2
+    fi
+    GENERIC_PACK=/tmp/generic_pack.zip
+  fi
+
+  sum_file=/data/.generic_pack.sum
+  isDebugging && [ -f "$sum_file}" ] && cat "$sum_file"
+  if ! sha256sum -c "${sum_file}" --status 2> /dev/null; then
+    base_dir=/tmp/generic_pack_base
+    mkdir -p ${base_dir}
+    isDebugging && ls -l "${GENERIC_PACK}"
+    unzip -q -d ${base_dir} "${GENERIC_PACK}"
+
+    # recalculate the actual base directory of content
+    base_dir=$(find "$base_dir" -type d \( -name mods -o -name plugins -o -name config \) -printf '%h' -quit)
+    if [[ ! $base_dir ]]; then
+      log "Unable to find content base of generic pack ${GENERIC_PACK}"
+      exit 1
+    fi
+
+    if [ -f /data/manifest.txt ]; then
+      log "Manifest exists from older generic pack, cleaning up ..."
+      while read -r f; do
+        rm -rf "/data/${f}"
+      done < /data/manifest.txt
+      # prune empty dirs
+      find /data -mindepth 1 -depth -type d -empty -delete
+      rm -f /data/manifest.txt
+    fi
+
+    log "Writing generic pack manifest ... "
+    find "${base_dir}" -type f -printf "%P\n" > /data/manifest.txt
+
+    log "Applying generic pack ..."
+    cp -R -f "${base_dir}"/* /data
+    rm -rf /tmp/generic_pack_base
+    sha256sum "${GENERIC_PACK}" > "${sum_file}"
+    isDebugging && cat "$sum_file"
+  fi
+fi
+
+exec "${SCRIPTS:-$(dirname "$0")}/start-setupModconfig" "$@"
--- a/scripts/start-setupMounts
+++ b/scripts/start-setupMounts
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+: ${SYNC_SKIP_NEWER_IN_DESTINATION:=${PLUGINS_SYNC_UPDATE:-true}}
+: ${REPLACE_ENV_DURING_SYNC:=true}
+: ${REPLACE_ENV_SUFFIXES:=yml,yaml,txt,cfg,conf,properties,hjson,json,tml,toml}
+: ${REPLACE_ENV_VARIABLE_PREFIX:=${ENV_VARIABLE_PREFIX:-CFG_}}
+: ${REPLACE_ENV_VARIABLES_EXCLUDES:=}
+: ${REPLACE_ENV_VARIABLES_EXCLUDE_PATHS:=}
+: ${DEBUG:=false}
+
+set -e
+isDebugging && set -x
+
+if isTrue ${SYNC_SKIP_NEWER_IN_DESTINATION}; then
+  updateArg="--skip-newer-in-destination"
+fi
+
+if isTrue ${REPLACE_ENV_DURING_SYNC}; then
+  subcommand=sync-and-interpolate
+else
+  subcommand=sync
+fi
+
+if [ -d /plugins ]; then
+  case ${TYPE} in
+    SPIGOT|BUKKIT|PAPER|MAGMA)
+      mkdir -p /data/plugins
+      log "Copying plugins over..."
+      mc-image-helper \
+        --debug=${DEBUG} ${subcommand} $updateArg \
+        --replace-env-file-suffixes="${REPLACE_ENV_SUFFIXES}" \
+        --replace-env-excludes="${REPLACE_ENV_VARIABLES_EXCLUDES}" \
+        --replace-env-exclude-paths="${REPLACE_ENV_VARIABLES_EXCLUDE_PATHS}" \
+        --replace-env-prefix=${REPLACE_ENV_VARIABLE_PREFIX} \
+        /plugins /data/plugins
+      ;;
+  esac
+fi
+
+# If any modules have been provided, copy them over
+: ${COPY_MODS_DEST:="/data/mods"}
+
+if [ -d /mods ]; then
+  log "Copying any mods over..."
+  mc-image-helper \
+    --debug=${DEBUG} ${subcommand} $updateArg \
+    --replace-env-file-suffixes="${REPLACE_ENV_SUFFIXES}" \
+    --replace-env-excludes="${REPLACE_ENV_VARIABLES_EXCLUDES}" \
+    --replace-env-exclude-paths="${REPLACE_ENV_VARIABLES_EXCLUDE_PATHS}" \
+    --replace-env-prefix=${REPLACE_ENV_VARIABLE_PREFIX} \
+    /mods "${COPY_MODS_DEST}"
+fi
+
+: ${COPY_CONFIG_DEST:="/data/config"}
+
+if [ -d /config ]; then
+  log "Copying any configs from /config to ${COPY_CONFIG_DEST}"
+  mc-image-helper \
+    --debug=${DEBUG} ${subcommand} $updateArg \
+    --replace-env-file-suffixes="${REPLACE_ENV_SUFFIXES}" \
+    --replace-env-excludes="${REPLACE_ENV_VARIABLES_EXCLUDES}" \
+    --replace-env-exclude-paths="${REPLACE_ENV_VARIABLES_EXCLUDE_PATHS}" \
+    --replace-env-prefix=${REPLACE_ENV_VARIABLE_PREFIX} \
+    /config "${COPY_CONFIG_DEST}"
+fi
+
+exec ${SCRIPTS:-/}start-setupServerProperties $@
--- a/scripts/start-setupServerProperties
+++ b/scripts/start-setupServerProperties
@@ -0,0 +1,221 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+
+: ${SERVER_PROPERTIES:=/data/server.properties}
+
+# FUNCTIONS
+function setServerProp {
+  local prop=$1
+  local var=$2
+  if [ -n "$var" ]; then
+    # normalize booleans
+    case ${var^^} in
+      TRUE|FALSE)
+        var=${var,,} ;;
+    esac
+    if grep "${prop}" "$SERVER_PROPERTIES" > /dev/null; then
+      log "Setting ${prop} to '${var}' in ${SERVER_PROPERTIES}"
+      sed -i "/^${prop}\s*=/ c ${prop}=${var//\\/\\\\}" "$SERVER_PROPERTIES"
+    else
+      log "Adding ${prop} with '${var}' in ${SERVER_PROPERTIES}"
+      echo "${prop}=${var}" >> "$SERVER_PROPERTIES"
+    fi
+  else
+    isDebugging && log "Skip setting ${prop}"
+  fi
+}
+
+function customizeServerProps {
+  if [ -n "$WHITELIST" ] || isTrue ${ENABLE_WHITELIST:-false}; then
+    log "Creating whitelist"
+    setServerProp "whitelist" "true"
+    setServerProp "white-list" "true"
+  else
+    log "Disabling whitelist"
+    setServerProp "whitelist" "false"
+    setServerProp "white-list" "false"
+  fi
+
+  # If not provided, generate a reasonable default message-of-the-day,
+  # which shows up in the server listing in the client
+  if [ -z "$MOTD" ]; then
+    # snapshot is the odd case where we have to look at version to identify that label
+    if [[ ${ORIGINAL_TYPE} == "VANILLA" && ${VERSION} == "SNAPSHOT" ]]; then
+      label=SNAPSHOT
+    else
+      label=${ORIGINAL_TYPE}
+    fi
+
+    # Convert label to title-case
+    label=${label,,}
+    label=${label^}
+    MOTD="A ${label} Minecraft Server powered by Docker"
+  fi
+
+  setServerProp "server-name" "$SERVER_NAME"
+  setServerProp "server-ip" "$SERVER_IP"
+  setServerProp "server-port" "$SERVER_PORT"
+  setServerProp "motd" "$(echo $MOTD | mc-image-helper asciify)"
+  setServerProp "allow-nether" "$ALLOW_NETHER"
+  setServerProp "announce-player-achievements" "$ANNOUNCE_PLAYER_ACHIEVEMENTS"
+  setServerProp "enable-command-block" "$ENABLE_COMMAND_BLOCK"
+  setServerProp "spawn-animals" "$SPAWN_ANIMALS"
+  setServerProp "spawn-monsters" "$SPAWN_MONSTERS"
+  setServerProp "spawn-npcs" "$SPAWN_NPCS"
+  setServerProp "spawn-protection" "$SPAWN_PROTECTION"
+  setServerProp "generate-structures" "$GENERATE_STRUCTURES"
+  setServerProp "view-distance" "$VIEW_DISTANCE"
+  setServerProp "hardcore" "$HARDCORE"
+  setServerProp "snooper-enabled" "$SNOOPER_ENABLED"
+  setServerProp "max-build-height" "$MAX_BUILD_HEIGHT"
+  setServerProp "force-gamemode" "$FORCE_GAMEMODE"
+  setServerProp "max-tick-time" "$MAX_TICK_TIME"
+  setServerProp "enable-query" "$ENABLE_QUERY"
+  setServerProp "query.port" "$QUERY_PORT"
+  setServerProp "enable-rcon" "$ENABLE_RCON"
+  setServerProp "rcon.password" "$RCON_PASSWORD"
+  setServerProp "rcon.port" "$RCON_PORT"
+  setServerProp "max-players" "$MAX_PLAYERS"
+  setServerProp "max-world-size" "$MAX_WORLD_SIZE"
+  setServerProp "level-name" "$LEVEL"
+  setServerProp "level-seed" "$SEED"
+  setServerProp "pvp" "${PVP}"
+  setServerProp "generator-settings" "$GENERATOR_SETTINGS"
+  setServerProp "online-mode" "$ONLINE_MODE"
+  setServerProp "allow-flight" "$ALLOW_FLIGHT"
+  setServerProp "level-type" "${LEVEL_TYPE^^}"
+  setServerProp "resource-pack" "$RESOURCE_PACK"
+  setServerProp "resource-pack-sha1" "$RESOURCE_PACK_SHA1"
+  setServerProp "player-idle-timeout" "$PLAYER_IDLE_TIMEOUT"
+  setServerProp "broadcast-console-to-ops" "$BROADCAST_CONSOLE_TO_OPS"
+  setServerProp "broadcast-rcon-to-ops" "$BROADCAST_RCON_TO_OPS"
+  setServerProp "enable-jmx-monitoring" "$ENABLE_JMX"
+  setServerProp "sync-chunk-writes" "$SYNC_CHUNK_WRITES"
+  setServerProp "enable-status" "$ENABLE_STATUS"
+  setServerProp "entity-broadcast-range-percentage" "$ENTITY_BROADCAST_RANGE_PERCENTAGE"
+  setServerProp "function-permission-level" "$FUNCTION_PERMISSION_LEVEL"
+  setServerProp "network-compression-threshold" "$NETWORK_COMPRESSION_THRESHOLD"
+  setServerProp "op-permission-level" "$OP_PERMISSION_LEVEL"
+  setServerProp "prevent-proxy-connections" "$PREVENT_PROXY_CONNECTIONS"
+  setServerProp "use-native-transport" "$USE_NATIVE_TRANSPORT"
+  setServerProp "enforce-whitelist" "$ENFORCE_WHITELIST"
+  setServerProp "simulation-distance" "$SIMULATION_DISTANCE"
+
+  if [ -n "$DIFFICULTY" ]; then
+    case $DIFFICULTY in
+      peaceful|0)
+        if versionLessThan 1.13; then
+          DIFFICULTY=0
+        else
+          DIFFICULTY=peaceful
+        fi
+        ;;
+      easy|1)
+        if versionLessThan 1.13; then
+          DIFFICULTY=1
+        else
+          DIFFICULTY=easy
+        fi
+        ;;
+      normal|2)
+        if versionLessThan 1.13; then
+          DIFFICULTY=2
+        else
+          DIFFICULTY=normal
+        fi
+        ;;
+      hard|3)
+        if versionLessThan 1.13; then
+          DIFFICULTY=3
+        else
+          DIFFICULTY=hard
+        fi
+        ;;
+      *)
+        log "DIFFICULTY must be peaceful, easy, normal, or hard."
+        exit 1
+        ;;
+    esac
+    setServerProp "difficulty" "$DIFFICULTY"
+  fi
+
+  if [ -n "$MODE" ]; then
+    log "Setting mode"
+    MODE_LC=$( echo $MODE | tr '[:upper:]' '[:lower:]' )
+    case $MODE_LC in
+      su*|0)
+        if versionLessThan 1.13; then
+          MODE=0
+        else
+          MODE=survival
+        fi
+        ;;
+      c*|1)
+        if versionLessThan 1.13; then
+          MODE=1
+        else
+          MODE=creative
+        fi
+        ;;
+      a*|2)
+        if versionLessThan 1.13; then
+          MODE=2
+        else
+          MODE=adventure
+        fi
+        ;;
+      sp*|3)
+        if versionLessThan 1.13; then
+          MODE=3
+        else
+          MODE=spectator
+        fi
+        ;;
+      *)
+        log "ERROR: Invalid game mode: $MODE"
+        exit 1
+        ;;
+    esac
+    setServerProp "gamemode" "$MODE"
+  fi
+}
+
+# Deploy server.properties file
+if [[ ${TYPE} == "CURSEFORGE" ]]; then
+  export SERVER_PROPERTIES="${FTB_DIR}/server.properties"
+  log "detected FTB, changing properties path to ${SERVER_PROPERTIES}"
+fi
+
+if [ ! -e "$SERVER_PROPERTIES" ]; then
+  log "Creating server.properties in ${SERVER_PROPERTIES}"
+  cp /tmp/server.properties "$SERVER_PROPERTIES"
+  customizeServerProps
+elif [ -n "${OVERRIDE_SERVER_PROPERTIES}" ]; then
+    case ${OVERRIDE_SERVER_PROPERTIES^^} in
+      TRUE|1)
+        customizeServerProps
+        ;;
+      *)
+        log "server.properties already created, skipping"
+        ;;
+    esac
+else
+  log "server.properties already created, skipping"
+fi
+
+if isTrue "${ENABLE_AUTOPAUSE}"; then
+  current_max_tick=$( grep 'max-tick-time' "$SERVER_PROPERTIES" | sed -r 's/( )+//g' | awk -F= '{print $2}' )
+  if (( $current_max_tick > 0 && $current_max_tick < 86400000 )); then
+    log "Warning: The server.properties for the server doesn't have the Server Watchdog (effectively) disabled."
+    log "Warning (cont): Autopause functionality resuming the process might trigger the Watchdog and restart the server completely."
+    log "Warning (cont): Set the max-tick-time property to a high value (or disable the Watchdog with value -1 for versions 1.8.1+)."
+  fi
+fi
+
+if isDebugging; then
+  log "DEBUG Dumping server.properties"
+  cat "${SERVER_PROPERTIES}"
+fi
+
+exec ${SCRIPTS:-/}start-setupEnvVariables $@
--- a/scripts/start-setupWorld
+++ b/scripts/start-setupWorld
@@ -0,0 +1,74 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+set -e
+isDebugging && set -x
+
+: ${LEVEL:=world}
+export LEVEL
+
+if [ $TYPE = "CURSEFORGE" ]; then
+  worldDest=$FTB_DIR/$LEVEL
+else
+  worldDest=/data/$LEVEL
+fi
+
+if [[ "$WORLD" ]] && ( isTrue "${FORCE_WORLD_COPY}" || [ ! -d "$worldDest" ] ); then
+  if isTrue "${FORCE_WORLD_COPY}"; then
+    log "Removing existing world data in $worldDest ${worldDest}_nether ${worldDest}_the_end"
+    rm -rf "$worldDest" \
+      "${worldDest}_nether" \
+      "${worldDest}_the_end"
+  fi
+
+  if isURL $WORLD; then
+    curl -fsSL "$WORLD" -o /tmp/world.zip
+    zipSrc=/tmp/world.zip
+  elif [[ "$WORLD" =~ .*\.zip ]]; then
+    zipSrc="$WORLD"
+  fi
+
+  if [[ "$zipSrc" ]]; then
+    log "Unzipping world"
+
+    # Stage contents so that the correct subdirectory can be picked off
+    mkdir -p /tmp/world-data
+    (cd /tmp/world-data && unzip -o -q "$zipSrc")
+
+    if [ "$TYPE" = "SPIGOT" ]; then
+      baseDirs=$(find /tmp/world-data -name "level.dat" -not -path "*_nether*" -not -path "*_the_end*" -exec dirname "{}" \;)
+    else
+      baseDirs=$(find /tmp/world-data -name "level.dat" -exec dirname "{}" \;)
+    fi
+
+    count=$(echo "$baseDirs" | wc -l)
+    if [[ $count -gt 1 ]]; then
+      baseDir="$(echo "$baseDirs" | sed -n ${WORLD_INDEX:-1}p)"
+      baseName=$(basename "$baseDir")
+      log "WARN multiple levels found, picking: $baseName"
+    elif [[ $count -gt 0 ]]; then
+      baseDir="$baseDirs"
+    else
+      log "ERROR invalid world content"
+      exit 1
+    fi
+    rsync --remove-source-files --recursive --delete "$baseDir/" "$worldDest"
+    if [ "$TYPE" = "SPIGOT" ]; then
+      log "Copying end and nether ..."
+      [ -d "${baseDir}_nether" ] && rsync --remove-source-files --recursive --delete "${baseDir}_nether/" "${worldDest}_nether"
+      [ -d "${baseDir}_the_end" ] && rsync --remove-source-files --recursive --delete "${baseDir}_the_end/" "${worldDest}_the_end"
+    fi
+  else
+    log "Cloning world directory from $WORLD ..."
+    rsync --recursive --delete "${WORLD%/}"/ "$worldDest"
+  fi
+
+  if [ "$TYPE" = "SPIGOT" ]; then
+    # Reorganise if a Spigot server
+    log "Moving End and Nether maps to Spigot location"
+    [ -d "$worldDest/DIM1" ] && mv -f "$worldDest/DIM1" "${worldDest}_the_end"
+    [ -d "$worldDest/DIM-1" ] && mv -f "$worldDest/DIM-1" "${worldDest}_nether"
+  fi
+fi
+
+exec ${SCRIPTS:-/}start-setupModpack $@
--- a/scripts/start-spiget
+++ b/scripts/start-spiget
@@ -0,0 +1,104 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+handleDebugMode
+
+: ${SPIGET_RESOURCES:=}
+: ${SPIGET_DOWNLOAD_TOLERANCE:=5} # in minutes
+
+containsJars() {
+  file=${1?}
+
+  pat='\.jar$'
+
+  while read -r line; do
+    if [[ $line =~ $pat ]]; then
+      return 0
+    fi
+  done <<<$(unzip -l "$file")
+
+  return 1
+}
+
+getResourceFromSpiget() {
+  resource=${1?}
+
+  log "Downloading resource ${resource} ..."
+
+  mkdir -p /data/plugins
+
+  versionfile="/data/plugins/.${resource}-version.json"
+  versionfileNew="/tmp/.${resource}-version.json"
+
+  if [ -f "$versionfile" ]; then
+    if [[ -n $(find "$versionfile" -mmin +${SPIGET_DOWNLOAD_TOLERANCE}) ]]; then
+      urlVersion="https://api.spiget.org/v2/resources/${resource}/versions/latest"
+      if ! curl -o "${versionfileNew}" -fsSL -H "User-Agent: itzg/minecraft-server" "${extraCurlArgs[@]}" "${urlVersion}"; then
+        log "ERROR failed to download resource version meta data '${resource}' from ${urlVersion}"
+        exit 2
+      fi
+
+      installedVersion=$(jq -r '.name' $versionfile)
+      newVersion=$(jq -r '.name' $versionfileNew)
+      
+      if [ "$installedVersion" = "$newVersion" ]; then
+        log "resource '${resource}' not downloaded because installed version '${installedVersion}' already up to date ('${newVersion}')"
+        mv "${versionfileNew}" "${versionfile}"
+      else
+        if downloadResourceFromSpiget "${resource}"; then
+          mv "${versionfileNew}" "${versionfile}"
+        fi
+      fi
+    else
+      log "resource '${resource}' not checked because version meta file newer than '${SPIGET_DOWNLOAD_TOLERANCE}' minutes"
+    fi
+  else
+    if downloadResourceFromSpiget "${resource}"; then
+      urlVersion="https://api.spiget.org/v2/resources/${resource}/versions/latest"
+      if ! curl -o "${versionfileNew}" -fsSL -H "User-Agent: itzg/minecraft-server" "${extraCurlArgs[@]}" "${urlVersion}"; then
+        log "ERROR failed to download resource version meta data '${resource}' from ${urlVersion}"
+        exit 2
+      fi
+      mv "${versionfileNew}" "${versionfile}"
+    fi
+  fi
+
+}
+
+downloadResourceFromSpiget() {
+  resource=${1?}
+
+  tmpfile="/tmp/${resource}.zip"
+  url="https://api.spiget.org/v2/resources/${resource}/download"
+  if ! curl -o "${tmpfile}" -fsSL -H "User-Agent: itzg/minecraft-server" "${extraCurlArgs[@]}" "${url}"; then
+    log "ERROR failed to download resource '${resource}' from ${url}"
+    exit 2
+  fi
+
+  if containsJars "${tmpfile}"; then
+    log "Extracting contents of resource ${resource} into plugins"
+    unzip -o -q -d /data/plugins "${tmpfile}"
+    rm "${tmpfile}"
+  else
+    log "Moving resource ${resource} into plugins"
+    mv "${tmpfile}" "/data/plugins/${resource}.jar"
+  fi
+
+}
+
+if [[ ${SPIGET_RESOURCES} ]]; then
+  if isTrue ${REMOVE_OLD_MODS:-false}; then
+    removeOldMods /data/plugins
+    REMOVE_OLD_MODS=false
+  fi
+
+  log "Getting plugins via Spiget"
+  IFS=',' read -r -a resources <<<"${SPIGET_RESOURCES}"
+  for resource in "${resources[@]}"; do
+    getResourceFromSpiget "${resource}"
+  done
+fi
+
+exec ${SCRIPTS:-/}start-setupWorld $@
--- a/scripts/start-utils
+++ b/scripts/start-utils
@@ -0,0 +1,190 @@
+#!/bin/bash
+
+function join_by() {
+  local d=$1
+  shift
+  echo -n "$1"
+  shift
+  printf "%s" "${@/#/$d}"
+}
+
+function isURL() {
+  local value=$1
+
+  if [[ ${value:0:8} == "https://" || ${value:0:7} == "http://" || ${value:0:6} == "ftp://" ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+function isValidFileURL() {
+  suffix=${1:?Missing required suffix arg}
+  url=${2:?Missing required url arg}
+
+  [[ "$url" == http*://*.${suffix} || "$url" == http*://*.${suffix}\?* ]]
+}
+
+function resolveEffectiveUrl() {
+  url="${1:?Missing required url argument}"
+  if ! curl -Ls -o /dev/null -w %{url_effective} "$url"; then
+    log "ERROR failed to resolve effective URL from $url"
+    exit 2
+  fi
+}
+
+function getFilenameFromUrl() {
+  url="${1:?Missing required url argument}"
+  strippedOfQuery="${url%\?*}"
+  basename "$strippedOfQuery"
+}
+
+function isTrue() {
+  local value=${1,,}
+
+  result=
+
+  case ${value} in
+  true | on)
+    result=0
+    ;;
+  *)
+    result=1
+    ;;
+  esac
+
+  return ${result}
+}
+
+function isDebugging() {
+  if isTrue "${DEBUG:-false}"; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+function handleDebugMode() {
+  if isDebugging; then
+    set -x
+    extraCurlArgs=(-v)
+  fi
+}
+
+function debug() {
+  if isDebugging; then
+    log "DEBUG: $*"
+  fi
+}
+
+function logn() {
+  echo -n "[init] $*"
+}
+
+function log() {
+  echo "[init] $*"
+}
+
+function logAutopause() {
+  echo "[Autopause loop] $*"
+}
+
+function logAutopauseAction() {
+  echo "[$(date -Iseconds)] [Autopause] $*"
+}
+
+function normalizeMemSize() {
+  local scale=1
+  case ${1,,} in
+  *k)
+    scale=1024
+    ;;
+  *m)
+    scale=1048576
+    ;;
+  *g)
+    scale=1073741824
+    ;;
+  esac
+
+  val=${1:0:-1}
+  echo $((val * scale))
+}
+
+function versionLessThan() {
+  local activeParts
+  IFS=. read -ra activeParts <<<"${VANILLA_VERSION}"
+
+  local givenParts
+  IFS=. read -ra givenParts <<<"$1"
+
+  if ((${#activeParts[@]} < 2)); then
+    return 1
+  fi
+
+  if ((${#activeParts[@]} == 2)); then
+    if ((activeParts[0] < givenParts[0])) ||
+      ((activeParts[0] == givenParts[0] && activeParts[1] < givenParts[1])); then
+      return 0
+    else
+      return 1
+    fi
+  else
+    if ((activeParts[0] < givenParts[0])) ||
+      ((activeParts[0] == givenParts[0] && activeParts[1] < givenParts[1])) ||
+      ((activeParts[0] == givenParts[0] && activeParts[1] == givenParts[1] && activeParts[2] < givenParts[2])); then
+      return 0
+    else
+      return 1
+    fi
+  fi
+}
+
+requireVar() {
+  if [ ! -v $1 ]; then
+    log "ERROR: $1 is required to be set"
+    exit 1
+  fi
+  if [ -z "${!1}" ]; then
+    log "ERROR: $1 is required to be set"
+    exit 1
+  fi
+}
+
+requireEnum() {
+  var=${1?}
+  shift
+
+  for allowed in $*; do
+    if [[ ${!var} = $allowed ]]; then
+      return 0
+    fi
+  done
+
+  log "ERROR: $var must be set to one of $@"
+#  exit 1
+}
+
+function writeEula() {
+  if ! echo "# Generated via Docker
+# $(date)
+eula=${EULA,,}
+" >/data/eula.txt; then
+    log "ERROR: unable to write eula to /data. Please make sure attached directory is writable by uid=${UID}"
+    exit 2
+  fi
+}
+
+function removeOldMods {
+  if [ -d "$1" ]; then
+    find "$1" -mindepth 1 -maxdepth ${REMOVE_OLD_MODS_DEPTH:-16} -wholename "${REMOVE_OLD_MODS_INCLUDE:-*}" -not -wholename "${REMOVE_OLD_MODS_EXCLUDE:-}" -delete
+  fi
+}
+
+function get() {
+  local flags=()
+  if isTrue "${DEBUG_GET:-false}"; then
+    flags+=("--debug")
+  fi
+  mc-image-helper "${flags[@]}" get "$@"
+}