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183 lines
6.2 KiB
183 lines
6.2 KiB
#!/bin/bash
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# LinuxGSM update_minecraft.sh function
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# Author: Daniel Gibbs
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# Website: https://linuxgsm.com
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# Description: Handles updating of Minecraft servers.
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functionselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
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fn_update_minecraft_dl(){
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if [ "${branch}" == "release" ]; then
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latestmcreleaselink=$(curl -s "https://launchermeta.${remotelocation}/mc/game/version_manifest.json" | jq -r '.latest.release as $latest | .versions[] | select(.id == $latest) | .url')
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else
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latestmcreleaselink=$(curl -s "https://launchermeta.${remotelocation}/mc/game/version_manifest.json" | jq -r '.versions[0].url')
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fi
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latestmcbuildurl=$(curl -s "${latestmcreleaselink}" | jq -r '.downloads.server.url')
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fn_fetch_file "${latestmcbuildurl}" "" "" "" "${tmpdir}" "minecraft_server.${remotebuild}.jar" "" "norun" "noforce" "nomd5"
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echo -e "copying to ${serverfiles}...\c"
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cp "${tmpdir}/minecraft_server.${remotebuild}.jar" "${serverfiles}/minecraft_server.jar"
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local exitcode=$?
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if [ "${exitcode}" == "0" ]; then
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fn_print_ok_eol_nl
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fn_script_log_pass "Copying to ${serverfiles}"
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chmod u+x "${serverfiles}/minecraft_server.jar"
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fn_clear_tmp
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else
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fn_print_fail_eol_nl
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fn_script_log_fatal "Copying to ${serverfiles}"
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fn_clear_tmp
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core_exit.sh
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fi
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}
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fn_update_minecraft_localbuild(){
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# Gets local build info.
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fn_print_dots "Checking local build: ${remotelocation}"
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# Uses log file to gather info.
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localbuild=$(grep Version "${consolelogdir}"/* 2>/dev/null | tail -1 | sed 's/.*Version //')
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if [ -z "${localbuild}" ]; then
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fn_print_error "Checking local build: ${remotelocation}"
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fn_print_error_nl "Checking local build: ${remotelocation}: no log files containing version info"
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fn_print_info_nl "Checking local build: ${remotelocation}: forcing server restart"
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fn_script_log_error "No log files containing version info"
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fn_script_log_info "Forcing server restart"
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exitbypass=1
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command_stop.sh
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fn_firstcommand_reset
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exitbypass=1
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command_start.sh
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fn_firstcommand_reset
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totalseconds=0
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localbuild=$(grep Version "${consolelogdir}"/* 2>/dev/null | tail -1 | sed 's/.*Version //')
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while [ -z "${localbuild}" ]; do
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sleep 1
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fn_print_info "Checking local build: ${remotelocation}: waiting for log file: ${totalseconds}"
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if [ -v "${loopignore}" ]; then
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loopignore=1
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fn_script_log_info "Waiting for log file to generate"
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fi
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localbuild=$(grep Version "$(ls -tr "${consolelogdir}"/* 2>/dev/null)" | tail -1 | sed 's/.*Version //')
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if [ "${totalseconds}" -gt "120" ]; then
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localbuild="0"
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fn_print_error "Checking local build: ${remotelocation}: waiting for log file"
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fn_script_log_error "Local build did not generate"
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fn_script_log_error "Required log file may be missing"
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fn_script_log_error "Local build set to 0"
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fi
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totalseconds=$((totalseconds + 1))
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done
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fi
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if [ "${localbuild}" != "0" ]; then
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fn_print_ok "Checking local build: ${remotelocation}"
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fn_script_log_pass "Checking local build"
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fi
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}
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fn_update_minecraft_remotebuild(){
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# Gets remote build info.
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if [ "${branch}" == "release" ]; then
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remotebuild=$(curl -s "https://launchermeta.${remotelocation}/mc/game/version_manifest.json" | jq -r '.latest.release')
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else
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remotebuild=$(curl -s "https://launchermeta.${remotelocation}/mc/game/version_manifest.json" | jq -r '.versions[0].id')
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fi
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if [ "${firstcommandname}" != "INSTALL" ]; then
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fn_print_dots "Checking remote build: ${remotelocation}"
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# Checks if remotebuild variable has been set.
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if [ -z "${remotebuild}" ]||[ "${remotebuild}" == "null" ]; then
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fn_print_fail "Checking remote build: ${remotelocation}"
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fn_script_log_fatal "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: ${remotelocation}"
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fn_script_log_pass "Checking remote build"
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fi
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else
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# Checks if remotebuild variable has been set.
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if [ -z "${remotebuild}" ]||[ "${remotebuild}" == "null" ]; then
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fn_print_failure "Unable to get remote build"
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fn_script_log_fatal "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_minecraft_compare(){
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# Removes dots so if statement can compare version numbers.
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fn_print_dots "Checking for update: ${remotelocation}"
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if [ "${localbuild}" != "${remotebuild}" ]||[ "${forceupdate}" == "1" ]; then
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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: ${green}${remotebuild}${default}"
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echo -en "\n"
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if [ -n "${branch}" ]; then
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echo -e "* Branch: ${branch}"
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fi
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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: ${remotebuild}"
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fn_script_log_info "${localbuild} > ${remotebuild}"
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unset updateonstart
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check_status.sh
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# If server stopped.
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if [ "${status}" == "0" ]; then
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exitbypass=1
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fn_update_minecraft_dl
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exitbypass=1
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command_start.sh
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exitbypass=1
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command_stop.sh
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fn_firstcommand_reset
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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_minecraft_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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date +%s > "${lockdir}/lastupdate.lock"
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alert="update"
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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: ${green}${remotebuild}${default}"
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if [ -n "${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: ${remotebuild}"
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if [ -n "${branch}" ]; then
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fn_script_log_info "Branch: ${branch}"
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fi
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fi
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}
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# The location where the builds are checked and downloaded.
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remotelocation="mojang.com"
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if [ "${firstcommandname}" == "INSTALL" ]; then
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fn_update_minecraft_remotebuild
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fn_update_minecraft_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_minecraft_localbuild
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fn_update_minecraft_remotebuild
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fn_update_minecraft_compare
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fi
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