85 lines
3 KiB
Bash
85 lines
3 KiB
Bash
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#!/usr/sbin/env bash
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# Disables warning about echo not expanding escape sequences
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# shellcheck disable=SC2028
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function print_banner() {
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echo " ____ ____ ____ __"
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echo " /'\\_/\`\\/\\ _\`\\ /\\ _\`\\ /\\ _\`\\ /\\ \\"
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echo "/\\ \\ \\ \\/\\_\\\\ \\,\\L\\_\\ __ _ __ __ __ __ _ __\\ \\ \\/\\ \\ ___ ___\\ \\ \\/'\\ __ _ __"
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echo "\\ \\ \\__\\ \\ \\ \\/_/_\\/_\\__ \\ /'__\`\\/\\\`'__\\/\\ \\/\\ \\ /'__\`\\/\\\`'__\\ \\ \\ \\ \\ / __\`\\ /'___\\ \\ , < /'__\`\\/\\\`'__\\"
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echo " \\ \\ \\_/\\ \\ \\ \\L\\ \\ /\\ \\L\\ \\/\\ __/\\ \\ \\/ \\ \\ \\_/ |/\\ __/\\ \\ \\/ \\ \\ \\_\\ \\/\\ \\L\\ \\/\\ \\__/\\ \\ \\\\\`\\ /\\ __/\\ \\ \\/"
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echo " \\ \\_\\\\ \\_\\ \\____/ \\ \`\\____\\ \\____\\\\ \\_\\ \\ \\___/ \\ \\____\\\\ \\_\\ \\ \\____/\\ \\____/\\ \\____\\\\ \\_\\ \\_\\ \\____\\\\ \\_\\"
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echo " \\/_/ \\/_/\\/___/ \\/_____/\\/____/ \\/_/ \\/__/ \\/____/ \\/_/ \\/___/ \\/___/ \\/____/ \\/_/\\/_/\\/____/ \\/_/"
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}
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function initialize() {
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echo ":: Initializing MCSD"
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export "ARGS=--nogui "
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if [ -z "${MCSD_ENFORCE_FRESH_CACHES}" ]; then
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export "ARGS=${ARGS}--eraseCache "
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fi
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if [ -z "${MCSD_FORCE_UPGRADE}" ]; then
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export "ARGS=${ARGS}--forceUpgrade "
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fi
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if [ -z "${MCSD_SAFEMODE}" ]; then
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export "ARGS=${ARGS}--safeMode "
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fi
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if [ ! "${MCSD_AUTO_RESTART}" == "true" ] && [ ! "${MCSD_AUTO_RESTART}" == "false" ]; then
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echo ":: Warning: No/Invalid auto restart value supplied, defaulting to false"
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export "MCSD_AUTO_RESTART=false"
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fi
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if [ ! "${MCSD_JAVA_VERSION}" == "17" ] && [ ! "${MCSD_JAVA_VERSION}" == "11" ] && [ ! "${MCSD_JAVA_VERSION}" == "8" ]; then
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echo ":: Warning: No/Invalid java version supplied, defaulting to java version 17"
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export "MCSD_JAVA_VERSION=17"
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fi
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}
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function check() {
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echo ":: Checking environment"
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if [ ! -d "/data" ]; then
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echo ":: Error: Could not locate /data directory"
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exit 1
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fi
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if [ ! -f "/data/server.jar" ]; then
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echo ":: Error: Could not locate server.jar"
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exit 1
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fi
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}
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function run() {
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echo ":: Starting server"
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# We want to use ${ARGS} without using parenthesis
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# shellcheck disable=SC2086
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"/usr/lib/jvm/java-${MCSD_JAVA_VERSION}-openjdk/bin/java" -jar "/data/server.jar" ${ARGS}
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export "exitcode=${?}"
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# yes it is assigned you idiot
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# shellcheck disable=SC2154
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if [ "${exitcode}" == "0" ]; then
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echo ":: The server was shut down successfully"
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else
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echo ":: The server was forcefully shut down (code ${exitcode})"
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fi
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case "${MCSD_AUTO_RESTART}" in
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"true")
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echo ":: Restarting server after shutdown"
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run
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;;
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"false")
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echo ":: Ending execution"
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exit 0
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;;
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*)
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echo ":: An internal error occured (run function, can't decide MCSD_AUTO_RESTART)"
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;;
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esac
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}
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function main() {
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print_banner
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initialize
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check
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run
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}
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main
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