feat(ts3): add check-update function

lgsm/functions/command_check_update.sh

@@ -14,12 +14,16 @@ fn_print_dots ""
 check.sh
 core_logs.sh
 
-core_steamcmd.sh
+if [ "${appid}" ]; then
+	core_steamcmd.sh
 
-check_steamcmd.sh
+	check_steamcmd.sh
 
-fn_update_steamcmd_localbuild
-fn_update_steamcmd_remotebuild
-fn_update_steamcmd_compare
+	fn_update_steamcmd_localbuild
+	fn_update_steamcmd_remotebuild
+	fn_update_steamcmd_compare
+elif [ "${shortname}" == "ts3" ]; then
+	update_ts3.sh
+fi
 
 core_exit.sh

lgsm/functions/core_getopt.sh

@@ -75,7 +75,7 @@ if [ "${shortname}" == "jk2" ] || [ "${engine}" != "idtech3" ]; then
 fi
 
 # Validate and check-update command.
-if [ "${appid}" ]; then
+if [ "${appid}" ]||[ "${shortname}" == "ts3" ]; then
 	currentopt+=("${cmd_validate[@]}" "${cmd_check_update[@]}")
 fi
 

lgsm/functions/update_ts3.sh

@@ -150,6 +150,7 @@ fn_update_ts3_compare() {
 		fn_script_log_info "Remote build: ${remotebuild}"
 		fn_script_log_info "${localbuild} > ${remotebuild}"
 
+		if [ "${commandname}" == "UPDATE" ]; then
 			unset updateonstart
 			check_status.sh
 			# If server stopped.
@@ -179,6 +180,9 @@ fn_update_ts3_compare() {
 			unset exitbypass
 			date +%s > "${lockdir}/lastupdate.lock"
 			alert="update"
+		elif [ "${commandname}" == "CHECK-UPDATE" ]; then
+			alert="check-update"
+		fi
 		alert.sh
 	else
 		fn_print_ok_nl "Checking for update: ${remotelocation}"