Improve the --nativeaot description

Author: AndriySvyryd

src/dotnet-ef/Properties/Resources.resx

@@ -268,7 +268,7 @@
     <value>The namespace to use. Matches the directory by default.</value>
   </data>
   <data name="NativeAotDescription" xml:space="preserve">
-    <value>Additionally generate all the code required for NativeAOT compilation and precompiled queries (experimental).</value>
+    <value>Generate additional code in the compiled model required for NativeAOT compilation and precompiled queries (experimental).</value>
   </data>
   <data name="NativeAotWarning" xml:space="preserve">
     <value>NativeAOT support is experimental and can change in the future.</value>

src/ef/Commands/DbContextOptimizeCommand.cs

@@ -38,6 +38,12 @@ protected override int Execute(string[] args)
             throw new CommandException(Resources.VersionRequired("6.0.0"));
         }
 
+        if ((_precompileQueries!.HasValue() || _nativeAot!.HasValue())
+            && new SemanticVersionComparer().Compare(EFCoreVersion, "9.0.0") < 0)
+        {
+            throw new CommandException(Resources.VersionRequired("9.0.0"));
+        }
+
         var result = executor.OptimizeContext(
             _outputDir!.Value(),
             _namespace!.Value(),

src/ef/Properties/Resources.resx

@@ -301,7 +301,7 @@
     <value>The namespace to use. Matches the directory by default.</value>
   </data>
   <data name="NativeAotDescription" xml:space="preserve">
-    <value>Additionally generate all the code required for NativeAOT compilation and precompiled queries (experimental).</value>
+    <value>Generate additional code in the compiled model required for NativeAOT compilation and precompiled queries (experimental).</value>
   </data>
   <data name="NativeAotWarning" xml:space="preserve">
     <value>NativeAOT support is experimental and can change in the future.</value>