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+#!/bin/bash
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+# LinuxGSM update_qw.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 QuakeWorld servers.
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+
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+moduleselfname="$(basename "$(readlink -f "${BASH_SOURCE[0]}")")"
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+
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+fn_update_fail() {
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+ fn_print_fail_nl "${1}"
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+ fn_script_log_fail "${1}"
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+ exitcode=1
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+ core_exit.sh
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+}
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+
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+fn_update_dl() {
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+ # Verify and stage the complete bundle before changing serverfiles.
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+ fn_fetch_file "${remotebuildurl}" "" "" "" "${tmpdir}" "${remotebuildfilename}" "nochmodx" "norun" "forcedl" "${remotebuildhash}"
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+ local stagedir configfile relativefile
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+ stagedir=$(mktemp -d "${tmpdir}/qw-update.XXXXXXXX") || fn_update_fail "Unable to create QuakeWorld staging directory"
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+ fn_dl_extract "${tmpdir}" "${remotebuildfilename}" "${stagedir}"
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+ if [ ! -x "${stagedir}/mvdsv" ] || [ ! -f "${stagedir}/ktx/qwprogs.so" ] || [ ! -f "${stagedir}/ktx/server.cfg" ]; then
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+ fn_update_fail "Invalid QuakeWorld bundle layout"
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+ fi
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+
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+ # Keep existing configs, map lists and local scripts, including config symlinks.
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+ # New default configs are still installed. Never remove files from serverfiles.
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+ while IFS= read -r -d '' configfile; do
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+ relativefile="${configfile#"${stagedir}/"}"
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+ case "${relativefile,,}" in
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+ *.cfg | *.conf | *.ini | *.txt | *.sh) ;;
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+ *)
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+ if [ "${serverfiles}/${relativefile}" != "${servercfgfullpath}" ]; then
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+ continue
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+ fi
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+ ;;
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+ esac
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+ if [ -e "${serverfiles}/${relativefile}" ] || [ -L "${serverfiles}/${relativefile}" ]; then
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+ rm -f "${configfile}" || fn_update_fail "Unable to preserve QuakeWorld config: ${relativefile}"
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+ fi
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+ done < <(find "${stagedir}" \( -type f -o -type l \) -print0)
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+
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+ cp -a "${stagedir}/." "${serverfiles}/" || fn_update_fail "Unable to copy QuakeWorld update"
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+ echo "${remotebuild}" > "${serverfiles}/build.txt" || fn_update_fail "Unable to save QuakeWorld build"
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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: ${remotelocation}"
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+ # Legacy installations without build.txt are updated once.
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+ localbuild=$(head -n 1 "${serverfiles}/build.txt" 2> /dev/null)
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+ if [ -z "${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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+ # Use the dated release, not the mutable release tagged "latest".
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+ apiurl="https://api.github.com/repos/GameServerManagers/qwserver-build/releases/latest"
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+ fn_print_dots "Checking remote build: ${remotelocation}"
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+ remotebuildresponse=$(curl -fsSL --connect-timeout 10 --max-time 60 "${apiurl}") || fn_update_fail "Unable to get QuakeWorld release"
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+ remotebuild=$(echo "${remotebuildresponse}" | jq -er '.tag_name | select(test("^build-[0-9]{8}$"))') || fn_update_fail "Invalid QuakeWorld release tag"
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+ remotebuildfilename="nquake.server.linux.${remotebuild#build-}.full.tar.xz"
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+ remotebuildurl=$(echo "${remotebuildresponse}" | jq -er --arg name "${remotebuildfilename}" '[.assets[] | select(.name == $name)] | select(length == 1) | .[0].browser_download_url | select(type == "string" and startswith("https://"))') || fn_update_fail "Missing QuakeWorld release archive"
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+ local checksumurl checksums
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+ checksumurl=$(echo "${remotebuildresponse}" | jq -er '[.assets[] | select(.name == "SHA256SUMS")] | select(length == 1) | .[0].browser_download_url | select(type == "string" and startswith("https://"))') || fn_update_fail "Missing QuakeWorld checksums"
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+ checksums=$(curl -fsSL --connect-timeout 10 --max-time 60 "${checksumurl}") || fn_update_fail "Unable to get QuakeWorld checksums"
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+ remotebuildhash=$(echo "${checksums}" | awk -v filename="${remotebuildfilename}" 'NF == 2 && $2 == filename {print $1}')
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+ if [[ ! "${remotebuildhash}" =~ ^[a-f0-9]{64}$ ]]; then
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+ fn_update_fail "Missing or invalid QuakeWorld archive checksum"
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+ fi
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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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+}
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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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+ unset updateonstart
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+ fn_update_apply fn_update_dl
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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