mirror of
https://github.com/itzg/docker-minecraft-server
synced 2024-12-15 14:52:27 +00:00
221 lines
6.5 KiB
Bash
221 lines
6.5 KiB
Bash
#!/bin/bash
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. ${SCRIPTS:-/}start-utils
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if [ -n "$OPS" ]; then
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log "Updating ops"
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rm -f /data/ops.txt.converted
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echo $OPS | awk -v RS=, '{print}' > /data/ops.txt
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if isTrue "${OVERRIDE_OPS}"; then
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log "Recreating ops.json file at server startup"
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rm -f /data/ops.json
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fi
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fi
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if [ -n "$WHITELIST" ]; then
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log "Updating whitelist"
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rm -f /data/white-list.txt.converted
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echo $WHITELIST | awk -v RS=, '{print}' > /data/white-list.txt
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if isTrue "${OVERRIDE_WHITELIST}"; then
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log "Recreating whitelist.json file at server startup"
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rm -f /data/whitelist.json
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fi
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fi
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if [ -n "$ICON" ]; then
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if [ ! -e server-icon.png ] || [ "${OVERRIDE_ICON}" == "TRUE" ]; then
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log "Using server icon from $ICON..."
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# Not sure what it is yet...call it "img"
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curl -sSL -o /tmp/icon.img $ICON
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specs=$(identify /tmp/icon.img | awk '{print $2,$3}')
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if [ "$specs" = "PNG 64x64" ]; then
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mv /tmp/icon.img /data/server-icon.png
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else
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log "Converting image to 64x64 PNG..."
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convert /tmp/icon.img -resize 64x64! /data/server-icon.png
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fi
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fi
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fi
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if ! isTrue ${SKIP_LOG4J_CONFIG}; then
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# Set up log configuration
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LOGFILE="/data/log4j2.xml"
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if [ ! -e "$LOGFILE" ]; then
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log "Creating log4j2.xml in ${LOGFILE}"
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cp /tmp/log4j2.xml "$LOGFILE"
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else
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log "log4j2.xml already created, skipping"
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fi
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JVM_OPTS="-Dlog4j.configurationFile=/data/log4j2.xml ${JVM_OPTS}"
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fi
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# Make sure files exist and are valid JSON (for pre-1.12 to 1.12 upgrades)
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log "Checking for JSON files."
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JSON_FILES=$(find /data -maxdepth 1 -name '*.json')
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for j in $JSON_FILES; do
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if [[ $(cat "$j" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//') == "" ]]; then
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log "Fixing JSON $j"
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echo '[]' > $j
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fi
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done
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EXTRA_ARGS=""
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# Optional disable console
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if versionLessThan 1.14 && [[ ${CONSOLE,,} = false ]]; then
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EXTRA_ARGS+="--noconsole"
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fi
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# Optional disable GUI for headless servers
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if [[ ${GUI} = false || ${GUI} = FALSE ]]; then
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EXTRA_ARGS="${EXTRA_ARGS} nogui"
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fi
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# put these prior JVM_OPTS at the end to give any memory settings there higher precedence
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log "Setting initial memory to ${INIT_MEMORY:=${MEMORY}} and max to ${MAX_MEMORY:=${MEMORY}}"
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expandedDOpts=
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if [ -n "$JVM_DD_OPTS" ]; then
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for dopt in $JVM_DD_OPTS
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do
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expandedDOpts="${expandedDOpts} -D${dopt/:/=}"
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done
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fi
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if isTrue ${ENABLE_JMX}; then
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: ${JMX_HOST:=0.0.0.0}
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: ${JMX_PORT:=7091}
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JVM_OPTS="${JVM_OPTS}
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-Dcom.sun.management.jmxremote.local.only=false
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-Dcom.sun.management.jmxremote.port=${JMX_PORT}
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-Dcom.sun.management.jmxremote.rmi.port=${JMX_PORT}
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-Dcom.sun.management.jmxremote.authenticate=false
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-Dcom.sun.management.jmxremote.ssl=false
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-Dcom.sun.management.jmxremote.host=${JMX_HOST}
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-Djava.rmi.server.hostname=${JMX_HOST}"
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log "JMX is enabled. Make sure you have port forwarding for ${JMX_PORT}"
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fi
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if isTrue "${USE_AIKAR_FLAGS}"; then
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# From https://mcflags.emc.gs/
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if (( $(normalizeMemSize "${MAX_MEMORY}") >= $(normalizeMemSize 12g) )); then
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log "Using Aikar's >12GB flags"
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G1NewSizePercent=40
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G1MaxNewSizePercent=50
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G1HeapRegionSize=16M
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G1ReservePercent=15
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InitiatingHeapOccupancyPercent=20
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else
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log "Using Aikar's flags"
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G1NewSizePercent=30
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G1MaxNewSizePercent=40
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G1HeapRegionSize=8M
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G1ReservePercent=20
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InitiatingHeapOccupancyPercent=15
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fi
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JVM_XX_OPTS="${JVM_XX_OPTS}
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-XX:+UseG1GC
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-XX:+ParallelRefProcEnabled
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-XX:MaxGCPauseMillis=200
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-XX:+UnlockExperimentalVMOptions
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-XX:+DisableExplicitGC
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-XX:+AlwaysPreTouch
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-XX:G1NewSizePercent=${G1NewSizePercent}
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-XX:G1MaxNewSizePercent=${G1MaxNewSizePercent}
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-XX:G1HeapRegionSize=${G1HeapRegionSize}
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-XX:G1ReservePercent=${G1ReservePercent}
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-XX:G1HeapWastePercent=5
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-XX:G1MixedGCCountTarget=4
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-XX:InitiatingHeapOccupancyPercent=${InitiatingHeapOccupancyPercent}
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-XX:G1MixedGCLiveThresholdPercent=90
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-XX:G1RSetUpdatingPauseTimePercent=5
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-XX:SurvivorRatio=32
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-XX:+PerfDisableSharedMem
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-XX:MaxTenuringThreshold=1
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-Dusing.aikars.flags=https://mcflags.emc.gs
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-Daikars.new.flags=true
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"
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fi
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if isTrue "${USE_LARGE_PAGES}"; then
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JVM_XX_OPTS="${JVM_XX_OPTS}
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-XX:+UseLargePagesInMetaspace
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"
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fi
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if isTrue "${DEBUG_MEMORY}"; then
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log "Memory usage and availability (in MB)"
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uname -a
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free -m
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fi
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JVM_OPTS="-Xms${INIT_MEMORY} -Xmx${MAX_MEMORY} ${JVM_OPTS}"
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function copyFilesForCurseForge() {
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# copy player modification files unconditionally since their
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# processing into json is additive anyway
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[ -f /data/ops.txt ] && cp -f /data/ops.txt "${FTB_DIR}/"
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[ -f /data/white-list.txt ] && cp -f /data/white-list.txt "${FTB_DIR}/"
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if [ ! -e "${FTB_DIR}/server-icon.png" -a -e /data/server-icon.png ]; then
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cp -f /data/server-icon.png "${FTB_DIR}/"
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fi
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cp -f /data/eula.txt "${FTB_DIR}/"
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}
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mcServerRunnerArgs="--stop-duration ${STOP_DURATION:-60}s"
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if [[ ${TYPE} == "CURSE_INSTANCE" ]]; then
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if isTrue ${DEBUG_EXEC}; then
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set -x
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fi
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exec mc-server-runner ${mcServerRunnerArgs} \
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--cf-instance-file "${CURSE_INSTANCE_JSON}" \
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java $JVM_XX_OPTS $JVM_OPTS $expandedDOpts -jar _SERVERJAR_ "$@" $EXTRA_ARGS
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elif [[ ${TYPE} == "CURSEFORGE" && "${SERVER}" ]]; then
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copyFilesForCurseForge
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cd "${FTB_DIR}"
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log "Starting CurseForge server in ${FTB_DIR}..."
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if isTrue ${DEBUG_EXEC}; then
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set -x
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fi
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exec mc-server-runner ${bootstrapArgs} ${mcServerRunnerArgs} java $JVM_XX_OPTS $JVM_OPTS $expandedDOpts -jar $(basename "${SERVER}") "$@" $EXTRA_ARGS
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elif [[ ${TYPE} == "CURSEFORGE" ]]; then
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mcServerRunnerArgs="${mcServerRunnerArgs} --shell bash"
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copyFilesForCurseForge
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cat > "${FTB_DIR}/settings-local.sh" <<EOF
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export MIN_RAM="${INIT_MEMORY}"
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export MAX_RAM="${MAX_MEMORY}"
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export JAVA_PARAMETERS="${JVM_XX_OPTS} -Xms${INIT_MEMORY} ${JVM_OPTS} $expandedDOpts"
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EOF
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# patch CurseForge cfg file, if present
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if [ -f "${FTB_DIR}/settings.cfg" ]; then
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sed -i "s/MAX_RAM=[^;]*/MAX_RAM=${MAX_MEMORY}/" "${FTB_DIR}/settings.cfg"
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fi
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cd "${FTB_DIR}"
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log "Running FTB ${FTB_SERVER_START} in ${FTB_DIR} ..."
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if isTrue ${DEBUG_EXEC}; then
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set -x
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fi
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exec mc-server-runner ${mcServerRunnerArgs} "${FTB_SERVER_START}"
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else
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# If we have a bootstrap.txt file... feed that in to the server stdin
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if [ -f /data/bootstrap.txt ]; then
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bootstrapArgs="--bootstrap /data/bootstrap.txt"
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fi
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log "Starting the Minecraft server..."
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if isTrue ${DEBUG_EXEC}; then
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set -x
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fi
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exec mc-server-runner ${bootstrapArgs} ${mcServerRunnerArgs} java $JVM_XX_OPTS $JVM_OPTS $expandedDOpts -jar $SERVER "$@" $EXTRA_ARGS
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fi
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