feat(etl): improve local build detection

Updates the game log directory to the "legacy" folder and enhances local build detection by parsing etconsole.log for version information, falling back to build.txt if necessary.

lgsm/config-default/config-lgsm/etlserver/_default.cfg

@@ -160,7 +160,7 @@ backupdir="${lgsmdir}/backup"
 
 ## Logging Directories
 [ -n "${LGSM_LOGDIR}" ] && logdir="${LGSM_LOGDIR}" || logdir="${rootdir}/log"
-gamelogdir="${serverfiles}/Logs"
+gamelogdir="${serverfiles}/legacy"
 lgsmlogdir="${logdir}/script"
 consolelogdir="${logdir}/console"
 lgsmlog="${lgsmlogdir}/${selfname}-script.log"

lgsm/modules/update_etl.sh

@@ -18,8 +18,14 @@ fn_update_dl() {
 fn_update_localbuild() {
 	# Gets local build info.
 	fn_print_dots "Checking local build: ${remotelocation}"
-	# Uses build file to get local build.
-	localbuild=$(head -n 1 "${serverfiles}/build.txt" 2> /dev/null)
+	# Try to get build version from etconsole.log.
+	if [ -f "${serverfiles}/legacy/etconsole.log" ]; then
+		localbuild=$(grep "Initializing legacy game" "${serverfiles}/legacy/etconsole.log" | sed -n 's/.*\^2\(v[0-9]\+\.[0-9]\+\.[0-9]\+\).*/\1/p' | tail -1)
+	fi
+	# Fall back to build.txt if log parse failed or log does not exist.
+	if [ -z "${localbuild}" ]; then
+		localbuild=$(head -n 1 "${serverfiles}/build.txt" 2> /dev/null)
+	fi
 	if [ -z "${localbuild}" ]; then
 		fn_print_error "Checking local build: ${remotelocation}: missing local build info"
 		fn_script_log_error "Missing local build info"