Add Test and add EnumConverter

Author: Stefan Schick

src/GitVersion.App.Tests/ArgumentParserTests.cs

@@ -533,6 +533,13 @@ private static IEnumerable<TestCaseData> OverrideConfigWithSingleOptionTestData(
                 UpdateBuildNumber = true
             }
         );
+        yield return new TestCaseData(
+            "strategies=[\"None\",\"Mainline\"]",
+            new GitVersionConfiguration()
+            {
+                VersionStrategies = [ VersionStrategies.None, VersionStrategies.Mainline]
+            }
+        );
     }
 
     [TestCaseSource(nameof(OverrideConfigWithMultipleOptionsTestData))]

src/GitVersion.App/OverrideConfigurationOptionParser.cs

@@ -1,4 +1,5 @@
 using GitVersion.Configuration;
+using GitVersion.VersionCalculation;
 
 namespace GitVersion;
 
@@ -45,7 +46,8 @@ private static bool IsSupportedPropertyType(Type propertyType)
         return unwrappedType == typeof(string)
                || unwrappedType.IsEnum
                || unwrappedType == typeof(int)
-               || unwrappedType == typeof(bool);
+               || unwrappedType == typeof(bool)
+               || unwrappedType == typeof(VersionStrategies[]);
     }
 
     internal void SetValue(string key, string value) => overrideConfiguration[key] = QuotedStringHelpers.UnquoteText(value);

src/GitVersion.Core/VersionCalculation/VersionStrategies.cs

@@ -1,6 +1,7 @@
 namespace GitVersion.VersionCalculation;
 
 [Flags]
+[JsonConverter(typeof(JsonStringEnumConverter))]
 public enum VersionStrategies
 {
     None = 0,