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+#!/bin/bash
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+# LinuxGSM update_etl.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 ET: Legacy servers.
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+
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+moduleselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
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+
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+fn_update_dl() {
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+ # Download and extract files to serverfiles.
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+ fn_fetch_file "${remotebuildurl}" "" "" "" "${tmpdir}" "${remotebuildfilename}" "nochmodx" "norun" "force" "${remotebuildhash}"
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+ fn_dl_extract "${tmpdir}" "${remotebuildfilename}" "${serverfiles}"
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+ echo "${remotebuild}" > "${serverfiles}/build.txt"
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+ fn_clear_tmp
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+}
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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: ${remotelocation}"
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+ # Try to get build version from etconsole.log.
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+ if [ -f "${gamelogdir}/etconsole.log" ]; then
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+ localbuild=$(grep "Initializing legacy game" "${gamelogdir}/etconsole.log" | sed -n 's/.*\^2\(v[0-9]\+\.[0-9]\+\.[0-9]\+\).*/\1/p' | tail -1)
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+ fi
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+ # Fall back to build.txt if log parse failed or log does not exist.
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+ if [ -z "${localbuild}" ]; then
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+ localbuild=$(head -n 1 "${serverfiles}/build.txt" 2> /dev/null)
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+ fi
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+ if [ -z "${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: ${remotelocation}"
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+ fn_script_log_pass "Checking local build"
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+ fi
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+}
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+
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+fn_update_remotebuild() {
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+ # Gets remote build info.
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+ apiurl="https://api.github.com/repos/GameServerManagers/etlserver-build/releases/latest"
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+ remotebuildresponse=$(curl -s "${apiurl}")
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+ remotebuildfilename=$(echo "${remotebuildresponse}" | jq -r '.assets[] | select(.browser_download_url | contains("i386-et-260b")) | .name')
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+ remotebuildurl=$(echo "${remotebuildresponse}" | jq -r '.assets[] | select(.browser_download_url | contains("i386-et-260b")) | .browser_download_url')
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+ remotebuild=$(echo "${remotebuildresponse}" | jq -r '.tag_name')
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+ remotebuildhash=$(echo "${remotebuildresponse}" | jq -r '.body' | grep 'MD5' | grep -oE '[a-f0-9]{32}')
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+
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+ if [ "${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_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: ${remotelocation}"
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+ fn_script_log_pass "Checking remote build"
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+ fi
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+ else
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+ # Checks if remotebuild variable has been set.
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+ if [ -z "${remotebuild}" ] || [ "${remotebuild}" == "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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+
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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}" != "${remotebuild}" ] || [ "${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: ${remotelocation}"
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+ fn_print "\n"
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+ fn_print_nl "${bold}${underline}Update${default} available"
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+ fn_print_nl "* Local build: ${red}${localbuild}${default}"
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+ fn_print_nl "* Remote build: ${green}${remotebuild}${default}"
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+ if [ -n "${branch}" ]; then
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+ fn_print_nl "* Branch: ${branch}"
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+ fi
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+ if [ -f "${rootdir}/.dev-debug" ]; then
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+ fn_print_nl "Remote build info"
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+ fn_print_nl "* apiurl: ${apiurl}"
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+ fn_print_nl "* remotebuildfilename: ${remotebuildfilename}"
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+ fn_print_nl "* remotebuildurl: ${remotebuildurl}"
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+ fn_print_nl "* remotebuild: ${remotebuild}"
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+ fi
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+ fn_print "\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: ${remotebuild}"
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+ if [ -n "${branch}" ]; then
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+ fn_script_log_info "Branch: ${branch}"
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+ fi
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+ fn_script_log_info "${localbuild} > ${remotebuild}"
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+
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+ if [ "${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: ${remotelocation}"
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+ fn_print "\n"
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+ fn_print_nl "${bold}${underline}No update${default} available"
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+ fn_print_nl "* Local build: ${green}${localbuild}${default}"
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+ fn_print_nl "* Remote build: ${green}${remotebuild}${default}"
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+ if [ -n "${branch}" ]; then
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+ fn_print_nl "* Branch: ${branch}"
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+ fi
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+ fn_print "\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: ${branch}"
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+ fi
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+ if [ -f "${rootdir}/.dev-debug" ]; then
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+ fn_print_nl "Remote build info"
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+ fn_print_nl "* apiurl: ${apiurl}"
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+ fn_print_nl "* remotebuildfilename: ${remotebuildfilename}"
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+ fn_print_nl "* remotebuildurl: ${remotebuildurl}"
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+ fn_print_nl "* remotebuild: ${remotebuild}"
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+ fi
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+ fi
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+}
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+
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+# The location where the builds are checked and downloaded.
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+remotelocation="github.com"
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+
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+if [ "${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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Daniel Gibbs