LinuxGSM/lgsm/functions/update_mumble.sh

#!/bin/bash
# LGSM update_mumble.sh function
# Author: Daniel Gibbs
# Contributor: UltimateByte
# Website: https://gameservermanagers.com
# Description: Handles updating of mumble servers.

local commandname="UPDATE"
local commandaction="Update"
local function_selfname="$(basename $(readlink -f "${BASH_SOURCE[0]}"))"

fn_update_mumble_arch(){
# Mumble is x86 only for now
mumblearch="x86"
}

fn_update_mumble_availablebuild(){
# Gets latest build info.
fn_print_info_nl "Checking latest build from github.com"
fn_script_log "Checking latest build from github.com"
availablebuild=$(curl -s https://api.github.com/repos/mumble-voip/mumble/releases/latest | grep 'murmur-static_x86.*\.bz2"' | tail -1 | awk -F"/" '{ print $8 }')
sleep 1
	
# Checks if availablebuild variable has been set
if [ -z "${availablebuild}" ]; then
	fn_print_fail "Checking latest build from github.com"
	sleep 1
	fn_print_fail "Checking latest build from github.com: Not returning version info"
	fn_script_log_fatal "Checking latest build from github.com: Not returning version info"
	core_exit.sh
else
	fn_print_ok_nl "Checked latest build from github.com"
	fn_script_log_pass "Checked latest build from github.com"
	sleep 1
fi
}

fn_update_mumble_currentbuild(){
# Gets current build info
fn_print_info "Checking installed server build"
sleep 1
# Checks if current build info is available. If it fails, then a server restart will be forced to generate logs.
if [ ! -f "${consolelogdir}/${servicename}-console.log" ]; then
	fn_print_info_nl "No current log found, can't retrieve current server build"
	fn_script_log_info "No current log found, can't retrieve current server build"
	sleep 1
	fn_print_info_nl "Forcing server restart"
	fn_script_log_info "Forcing server restart"
	sleep 1
	check_status.sh
	if [ "${status}" != "0" ]; then
		exitbypass=1
		command_stop.sh
	fi
	exitbypass=1
	command_start.sh
	exitbypass=1
	command_stopt.sh
	sleep 1
	# Check again and exit on failure.
	if [ ! -f "${consolelogdir}/${servicename}-console.log" ]; then
		fn_print_fail_nl "Still no logs found, cannot retrieve server version"
		fn_script_log_fatal "Still no logs found, cannot retrieve server version"
		core_exit.sh
	else 
	  fn_print_ok_nl "Logs found"
	  fn_script_log "Logs found"
	  sleep 1
	fi
fi
	
# Get current build from logs	
currentbuild=$(cat "${consolelogdir}"/"${servicename}"-console.log 2> /dev/null | sort | egrep 'Murmur ((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}' | awk '{print $4}')

if [ -z "${currentbuild}" ]; then
	fn_print_info_nl "Can't find current build version in logs"
	fn_script_log_error "Can't find current build version in logs"
	sleep 1
	fn_print_info_nl "Forcing server restart"
	fn_script_log_info "Forcing server restart"
	exitbypass=1
	command_stop.sh
	exitbypass=1
	command_start.sh
	currentbuild=$(cat "${consolelogdir}"/"${servicename}"-console.log 2> /dev/null | sort | egrep 'Murmur ((\.)?[0-9]{1,3}){1,3}\.[0-9]{1,3}' | awk '{print $4}')
	if [ -z "${currentbuild}" ]; then
		fn_print_fail_nl "Sorry, current build version still not found"
		fn_script_log_fatal "Sorry, current build version still not found"
		core_exit.sh
	fi
fi
}

fn_update_mumble_compare(){
# Removes dots so if can compare version numbers
currentbuilddigit=$(echo "${currentbuild}"|tr -cd '[:digit:]')
availablebuilddigit=$(echo "${availablebuild}"|tr -cd '[:digit:]')

if [ "${currentbuilddigit}" -ne "${availablebuilddigit}" ]; then
	echo -e "\n"
	echo -e "Update available:"
	sleep 1
	echo -e "	Current build: ${red}${currentbuild} ${mumblearch}${default}"
	echo -e "	Available build: ${green}${availablebuild} ${mumblearch}${default}"
	echo -e ""
	sleep 1
	echo ""
	echo -en "Applying update.\r"
	sleep 1
	echo -en "Applying update..\r"
	sleep 1
	echo -en "Applying update...\r"
	sleep 1
	echo -en "\n"
	fn_script_log "Update available"
	fn_script_log "Current build: ${currentbuild}"
	fn_script_log "Available build: ${availablebuild}"
	fn_script_log "${currentbuild} > ${availablebuild}"

	unset updateonstart

	check_status.sh
	if [ "${status}" == "0" ]; then
		fn_update_mumble_dl
		exitbypass=1
		command_start.sh
		exitbypass=1
		command_stop.sh
	else
		exitbypass=1
		command_stop.sh
		fn_update_mumble_dl
		exitbypass=1
		command_start.sh
	fi
	alert="update"
	alert.sh
else
	echo -e "\n"
	echo -e "No update available:"
	echo -e "	Current version: ${green}${currentbuild}${default}"
	echo -e "	Available version: ${green}${availablebuild}${default}"
	echo -e ""
	fn_print_ok_nl "No update available"
	fn_script_log_info "Current build: ${currentbuild}"
	fn_script_log_info "Available build: ${availablebuild}"
fi
}

fn_update_mumble_dl(){
mumblebuildname="murmur-static_${mumblearch}-${availablebuild}"
if [ ! -d "${lgsmdir}/tmp" ]; then
	mkdir "${lgsmdir}/tmp"
fi
fn_fetch_file "https://github.com/mumble-voip/mumble/releases/download/${availablebuild}/${mumblebuildname}.tar.bz2" "${lgsmdir}/tmp" "${mumblebuildname}.tar.bz2"
fn_dl_extract "${lgsmdir}/tmp" "${mumblebuildname}.tar.bz2" "${lgsmdir}/tmp"
echo -e "copying to ${filesdir}...\c"
fn_script_log "Copying to ${filesdir}"
cp -R "${lgsmdir}/tmp/${mumblebuildname}/"* "${filesdir}"
rm -R "${lgsmdir}/tmp"
local exitcode=$?
if [ ${exitcode} -eq 0 ]; then
	fn_print_ok_eol_nl
else
	fn_print_fail_eol_nl
fi
}

fn_update_mumble_arch
if [ "${installer}" == "1" ]; then
	fn_update_mumble_availablebuild
	fn_update_mumble_dl
else
	# Checks for server update from github.com
	fn_print_dots "Checking for update: github.com"
	fn_script_log_info "Checking for update: github.com"
	sleep 1
	fn_update_mumble_currentbuild
	fn_update_mumble_availablebuild
	fn_update_mumble_compare
fi