refactor: unify grouped execution order

manage.sh

@@ -335,12 +335,30 @@ run_group() {
 	fi
 
 	case "$action" in
-	up | start) working_result="Starting"; success_result="Started" ;;
-	restart) working_result="Restarting"; success_result="Restarted" ;;
-	stop) working_result="Stopping"; success_result="Stopped" ;;
-	down) working_result="Removing"; success_result="Removed" ;;
-	pull) working_result="Pulling"; success_result="Pulled" ;;
-	update) working_result="Updating"; success_result="Updated" ;;
+	up | start)
+		working_result="Starting"
+		success_result="Started"
+		;;
+	restart)
+		working_result="Restarting"
+		success_result="Restarted"
+		;;
+	stop)
+		working_result="Stopping"
+		success_result="Stopped"
+		;;
+	down)
+		working_result="Removing"
+		success_result="Removed"
+		;;
+	pull)
+		working_result="Pulling"
+		success_result="Pulled"
+		;;
+	update)
+		working_result="Updating"
+		success_result="Updated"
+		;;
 	esac
 
 	while :; do
@@ -438,6 +456,7 @@ collect_skipped_groups() {
 run_all_grouped() {
 	local action="$1"
 	local direction="forward"
+	local start=0 end="${#GROUP_NAMES[@]}" step=1
 	local i
 
 	RUN_SUCCESS=0
@@ -448,23 +467,19 @@ run_all_grouped() {
 
 	if [[ "$action" == "stop" || "$action" == "down" ]]; then
 		direction="reverse"
-		for ((i = ${#GROUP_NAMES[@]} - 1; i >= 0; i--)); do
-			if ! run_group "$i" "$action"; then
-				collect_skipped_groups "$i" "$direction"
-				print_run_summary
-				return 1
-			fi
-		done
-	else
-		for ((i = 0; i < ${#GROUP_NAMES[@]}; i++)); do
-			if ! run_group "$i" "$action"; then
-				collect_skipped_groups "$i" "$direction"
-				print_run_summary
-				return 1
-			fi
-		done
+		start=$((end - 1))
+		end=-1
+		step=-1
 	fi
 
+	for ((i = start; i != end; i += step)); do
+		if ! run_group "$i" "$action"; then
+			collect_skipped_groups "$i" "$direction"
+			print_run_summary
+			return 1
+		fi
+	done
+
 	print_run_summary
 }