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186 lines
6.3 KiB
186 lines
6.3 KiB
#!/bin/bash
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# LinuxGSM update_mc.sh module
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# Author: Daniel Gibbs
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# Contributors: https://linuxgsm.com/contrib
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# Website: https://linuxgsm.com
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# Description: Handles updating of Minecraft: Java Edition servers.
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moduleselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
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fn_update_dl() {
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# Download and extract files to serverfiles.
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fn_fetch_file "${remotebuildurl}" "" "" "" "${tmpdir}" "${remotebuildfilename}" "chmodx" "norun" "noforce" "nohash"
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cp -f "${tmpdir}/${remotebuildfilename}" "${serverfiles}/minecraft_server.jar"
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fn_clear_tmp
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}
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fn_update_localbuild() {
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# Gets local build info.
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fn_print_dots "Checking local build: ${remotelocation}"
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# Uses executable to get local build.
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if [ -d "${executabledir}" ]; then
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cd "${executabledir}" || exit
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localbuild=$(unzip -p "minecraft_server.jar" version.json | jq -r '.id')
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fi
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if [ -z "${localbuild}" ]; then
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fn_print_error "Checking local build: ${remotelocation}: missing local build info"
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fn_script_log_error "Missing local build info"
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fn_script_log_error "Set localbuild to 0"
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localbuild="0"
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else
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fn_print_ok "Checking local build: ${remotelocation}"
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fn_script_log_pass "Checking local build"
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fi
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}
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fn_update_remotebuild() {
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# Get remote build info.
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apiurl="https://launchermeta.mojang.com/mc/game/version_manifest.json"
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remotebuildresponse=$(curl -s "${apiurl}")
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# Latest release.
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if [ "${branch}" == "release" ] && [ "${mcversion}" == "latest" ]; then
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remotebuildversion=$(echo "${remotebuildresponse}" | jq -r '.latest.release')
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# Latest snapshot.
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elif [ "${branch}" == "snapshot" ] && [ "${mcversion}" == "latest" ]; then
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remotebuildversion=$(echo "${remotebuildresponse}" | jq -r '.latest.snapshot')
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# Specific release/snapshot.
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else
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remotebuildversion=$(echo "${remotebuildresponse}" | jq -r --arg branch "${branch}" --arg mcversion "${mcversion}" '.versions | .[] | select(.type==$branch and .id==$mcversion) | .id')
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fi
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remotebuildfilename="minecraft_server.${remotebuildversion}.jar"
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# Generate link to version manifest json.
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remotebuildmanifest=$(echo "${remotebuildresponse}" | jq -r --arg branch "${branch}" --arg mcversion "${remotebuildversion}" '.versions | .[] | select(.type==$branch and .id==$mcversion) | .url')
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# Generate link to server.jar
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remotebuildurl=$(curl -s "${remotebuildmanifest}" | jq -r '.downloads.server.url')
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if [ "${firstcommandname}" != "INSTALL" ]; then
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fn_print_dots "Checking remote build: ${remotelocation}"
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# Checks if remotebuildversion variable has been set.
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if [ -z "${remotebuildversion}" ] || [ "${remotebuildversion}" == "null" ]; then
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fn_print_fail "Checking remote build: ${remotelocation}"
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fn_script_log_fail "Checking remote build"
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core_exit.sh
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else
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fn_print_ok "Checking remote build: ${remotelocation}"
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fn_script_log_pass "Checking remote build"
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fi
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else
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# Checks if remotebuild variable has been set.
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if [ -z "${remotebuildversion}" ] || [ "${remotebuildversion}" == "null" ]; then
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fn_print_failure "Unable to get remote build"
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fn_script_log_fail "Unable to get remote build"
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core_exit.sh
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fi
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fi
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}
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fn_update_compare() {
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fn_print_dots "Checking for update: ${remotelocation}"
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# Update has been found or force update.
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if [ "${localbuild}" != "${remotebuildversion}" ] || [ "${forceupdate}" == "1" ]; then
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# Create update lockfile.
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date '+%s' > "${lockdir:?}/update.lock"
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fn_print_ok_nl "Checking for update: ${remotelocation}"
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echo -en "\n"
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echo -e "Update available"
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echo -e "* Local build: ${red}${localbuild}${default}"
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echo -e "* Remote build: ${green}${remotebuildversion}${default}"
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if [ -n "${branch}" ]; then
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echo -e "* Branch: ${branch}"
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fi
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if [ -f "${rootdir}/.dev-debug" ]; then
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echo -e "Remote build info"
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echo -e "* apiurl: ${apiurl}"
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echo -e "* remotebuildfilename: ${remotebuildfilename}"
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echo -e "* remotebuildurl: ${remotebuildurl}"
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echo -e "* remotebuildversion: ${remotebuildversion}"
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fi
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echo -en "\n"
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fn_script_log_info "Update available"
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fn_script_log_info "Local build: ${localbuild}"
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fn_script_log_info "Remote build: ${remotebuildversion}"
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if [ -n "${branch}" ]; then
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fn_script_log_info "Branch: ${branch}"
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fi
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fn_script_log_info "${localbuild} > ${remotebuildversion}"
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if [ "${commandname}" == "UPDATE" ]; then
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date +%s > "${lockdir}/last-updated.lock"
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unset updateonstart
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check_status.sh
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# If server stopped.
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if [ "${status}" == "0" ]; then
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fn_update_dl
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if [ "${localbuild}" == "0" ]; then
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exitbypass=1
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command_start.sh
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fn_firstcommand_reset
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exitbypass=1
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fn_sleep_time_5
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command_stop.sh
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fn_firstcommand_reset
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fi
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# If server started.
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else
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fn_print_restart_warning
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exitbypass=1
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command_stop.sh
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fn_firstcommand_reset
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exitbypass=1
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fn_update_dl
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exitbypass=1
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command_start.sh
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fn_firstcommand_reset
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fi
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unset exitbypass
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alert="update"
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elif [ "${commandname}" == "CHECK-UPDATE" ]; then
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alert="check-update"
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fi
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alert.sh
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else
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fn_print_ok_nl "Checking for update: ${remotelocation}"
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echo -en "\n"
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echo -e "No update available"
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echo -e "* Local build: ${green}${localbuild}${default}"
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echo -e "* Remote build: ${green}${remotebuildversion}${default}"
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if [ -n "${branch}" ]; then
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echo -e "* Branch: ${branch}"
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fi
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echo -en "\n"
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fn_script_log_info "No update available"
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fn_script_log_info "Local build: ${localbuild}"
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fn_script_log_info "Remote build: ${remotebuildversion}"
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if [ -n "${branch}" ]; then
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fn_script_log_info "Branch: ${branch}"
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fi
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if [ -f "${rootdir}/.dev-debug" ]; then
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echo -e "Remote build info"
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echo -e "* apiurl: ${apiurl}"
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echo -e "* remotebuildfilename: ${remotebuildfilename}"
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echo -e "* remotebuildurl: ${remotebuildurl}"
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echo -e "* remotebuildversion: ${remotebuildversion}"
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fi
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fi
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}
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# The location where the builds are checked and downloaded.
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remotelocation="mojang.com"
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if [ "$(command -v jq 2> /dev/null)" ]; then
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fn_print_fail_nl "jq is not installed"
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fn_script_log_fatal "jq is not installed"
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core_exit.sh
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fi
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if [ "${firstcommandname}" == "INSTALL" ]; then
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fn_update_remotebuild
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fn_update_dl
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else
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fn_print_dots "Checking for update"
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fn_print_dots "Checking for update: ${remotelocation}"
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fn_script_log_info "Checking for update: ${remotelocation}"
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fn_update_localbuild
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fn_update_remotebuild
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fn_update_compare
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fi
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