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194 lines
6.5 KiB
194 lines
6.5 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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local commandname="UPDATE"
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local commandaction="Update"
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local function_selfname=$(basename "$(readlink -f "${BASH_SOURCE[0]}")")
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fn_update_minecraft_dl(){
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latestmcreleaselink=$(curl -s "https://launchermeta.mojang.com/mc/game/version_manifest.json" | jq -r '.latest.release as $latest | .versions[] | select(.id == $latest) | .url')
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latestmcbuildurl=$(curl -s "${latestmcreleaselink}" | jq -r '.downloads.server.url')
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fn_fetch_file "${latestmcbuildurl}" "${tmpdir}" "minecraft_server.${remotebuild}.jar"
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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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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 for update: ${remotelocation}: checking local build"
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# Uses log file to gather info.
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# Gives time for log file to generate.
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if [ ! -f "${serverfiles}/logs/latest.log" ]; then
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fn_print_error "Checking for update: ${remotelocation}: checking local build"
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fn_print_error_nl "Checking for update: ${remotelocation}: checking local build: no log files"
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fn_script_log_error "No log file found"
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fn_print_info_nl "Checking for update: ${remotelocation}: checking local build: forcing server restart"
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fn_script_log_info "Forcing server restart"
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exitbypass=1
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command_stop.sh
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exitbypass=1
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command_start.sh
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totalseconds=0
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# Check again, allow time to generate logs.
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while [ ! -f "${serverfiles}/logs/latest.log" ]; do
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sleep 1
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fn_print_info "Checking for update: ${remotelocation}: checking local build: 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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if [ "${totalseconds}" -gt "120" ]; then
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localbuild="0"
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fn_print_error "Checking for update: ${remotelocation}: waiting for log file: missing log file"
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fn_script_log_error "Missing log file"
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fn_script_log_error "Set localbuild to 0"
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fi
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totalseconds=$((totalseconds + 1))
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done
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fi
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if [ -z "${localbuild}" ]; then
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localbuild=$(grep version "${serverfiles}/logs/latest.log" | grep -Eo '((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}')
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fi
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if [ -z "${localbuild}" ]; then
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# Gives time for var to generate.
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totalseconds=0
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for seconds in {1..120}; do
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fn_print_info "Checking for update: ${remotelocation}: checking local build: waiting for local build: ${totalseconds}"
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if [ -z "${loopignore}" ]; then
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loopignore=1
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fn_script_log_info "Waiting for local build to generate"
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fi
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localbuild=$(cat "${serverfiles}/logs/latest.log" 2> /dev/null | grep version | grep -Eo '((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}')
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if [ "${localbuild}" ]||[ "${seconds}" == "120" ]; then
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break
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fi
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sleep 1
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totalseconds=$((totalseconds + 1))
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done
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fi
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if [ -z "${localbuild}" ]; then
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localbuild="0"
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fn_print_error "Checking for update: ${remotelocation}: waiting for local build: 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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else
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fn_print_ok "Checking for update: ${remotelocation}: checking local build"
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fn_script_log_pass "Checking local build"
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fi
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}
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fn_update_minecraft_remotebuild(){
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# Gets remote build info.
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remotebuild=$(curl -s "https://launchermeta.${remotelocation}/mc/game/version_manifest.json" | jq -r '.latest.release')
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if [ "${installer}" != "1" ]; then
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fn_print_dots "Checking for update: ${remotelocation}: checking remote build"
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# Checks if remotebuild variable has been set.
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if [ -z "${remotebuild}" ]||[ "${remotebuild}" == "null" ]; then
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fn_print_fail "Checking for update: ${remotelocation}: checking remote build"
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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 for update: ${remotelocation}: checking remote build"
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fn_script_log_pass "Checking remote build"
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fi
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else
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# Checks if remotebuild variable has been set.
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if [ -z "${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: ${remotelocation}"
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localbuilddigit=$(echo -e "${localbuild}" | tr -cd '[:digit:]')
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remotebuilddigit=$(echo -e "${remotebuild}" | tr -cd '[:digit:]')
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if [ "${localbuilddigit}" -ne "${remotebuilddigit}" ]||[ "${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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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} > ${remotebuild}"
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fn_sleep_time
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echo -en "\n"
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echo -en "applying update.\r"
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sleep 1
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echo -en "applying update..\r"
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sleep 1
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echo -en "applying update...\r"
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sleep 1
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echo -en "\n"
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unset updateonstart
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check_status.sh
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# If server stopped.
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if [ "${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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# If server started.
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else
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exitbypass=1
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command_stop.sh
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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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fi
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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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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: ${remotebuild}"
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fi
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}
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# The location where the builds are checked and downloaded.
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remotelocation="mojang.com"
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if [ "${installer}" == "1" ]; 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: ${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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