Validate a system is provided for CLI applications

Author: mnadareski

CHANGELIST.md

@@ -14,6 +14,7 @@
 - Update RedumpLib to 1.9.1
 - Split path creation in OptionsLoader
 - Add unused Dreamdump execution context
+- Validate a system is provided for CLI applications
 
 ### 3.6.0 (2025-11-28)
 

MPF.CLI/Features/BaseFeature.cs

@@ -97,6 +97,13 @@ protected BaseFeature(string name, string[] flags, string description, string? d
         /// <inheritdoc/>
         public override bool Execute()
         {
+            // Validate a system type is provided
+            if (System == null)
+            {
+                Console.Error.WriteLine("A system name needs to be provided");
+                return false;
+            }
+
             // Validate the supplied credentials
             if (Options.RetrieveMatchInformation
                 && !string.IsNullOrEmpty(Options.RedumpUsername)

MPF.Check/Features/BaseFeature.cs

@@ -72,6 +72,14 @@ protected BaseFeature(string name, string[] flags, string description, string? d
         /// <inheritdoc/>
         public override bool Execute()
         {
+            // Validate a system type is provided
+            if (System == null)
+            {
+                Console.Error.WriteLine("A system name needs to be provided");
+                return false;
+            }
+
+            // Validate a program is provided
             if (Options.InternalProgram == InternalProgram.NONE)
             {
                 Console.Error.WriteLine("A program name needs to be provided");