Adds extensions namespace to code generator

Adds the extensions namespace to the code generator, ensuring it is correctly included in generated files.

This change ensures consistency and proper referencing of extension methods within the generated code.

Author: arturcic

new-cli/GitVersion.Cli.Generator.Tests/SystemCommandlineGeneratorTests.cs

@@ -85,6 +85,7 @@ public void RegisterTypes(IServiceCollection services)
     {
         services.AddSingleton<RootCommandImpl>();
         services.AddSingleton<ICliApp, CliAppImpl>();
+
         services.AddSingleton<TestCommand>();
         services.AddSingleton<ICommandImpl, TestCommandImpl>();
     }
@@ -98,7 +99,7 @@ public void RegisterTypes(IServiceCollection services)
 using System.CommandLine;
 
 using {{Constants.CommonNamespaceName}};
-using GitVersion.Extensions;
+using {{Constants.ExtensionsNamespaceName}};
 
 namespace {{Constants.GeneratedNamespaceName}};
 
@@ -135,7 +136,7 @@ private void AddCommand(ICommandImpl command, Dictionary<string, ICommandImpl> m
 $$"""
 {{Constants.GeneratedHeader}}
 using System.CommandLine;
-using GitVersion.Extensions;
+using {{Constants.ExtensionsNamespaceName}};
 using {{Constants.InfrastructureNamespaceName}};
 
 namespace {{Constants.GeneratedNamespaceName}};

new-cli/GitVersion.Cli.Generator/Constants.cs

@@ -6,6 +6,7 @@ public static class Constants
     internal const string CommonNamespaceName = "GitVersion";
     internal const string InfrastructureNamespaceName = "GitVersion.Infrastructure";
     internal const string CommandNamespaceName = "GitVersion.Commands";
+    internal const string ExtensionsNamespaceName = "GitVersion.Extensions";
 
     /*language=cs*/
     internal const string GeneratedHeader =

new-cli/GitVersion.Cli.Generator/SystemCommandlineContent.cs

@@ -64,7 +64,7 @@ Task<int> Run(ParseResult parseResult, CancellationToken cancellationToken)
 using System.CommandLine;
 
 using {{CommonNamespaceName}};
-using GitVersion.Extensions;
+using {{ExtensionsNamespaceName}};
 
 namespace {{GeneratedNamespaceName}};
 
@@ -114,6 +114,7 @@ public void RegisterTypes(IServiceCollection services)
         {{- $commands = Model | array.sort "CommandTypeName" }}
         services.AddSingleton<RootCommandImpl>();
         services.AddSingleton<ICliApp, CliAppImpl>();
+
         {{~ for $command in $commands ~}}
         services.AddSingleton<{{ if $command.CommandTypeNamespace != CommandNamespaceName }}{{$command.CommandTypeNamespace}}.{{ end }}{{$command.CommandTypeName}}>();
         services.AddSingleton<ICommandImpl, {{$command.CommandTypeName}}Impl>();
@@ -126,7 +127,7 @@ public void RegisterTypes(IServiceCollection services)
     public const string CliAppContent = $$$"""
 {{{Constants.GeneratedHeader}}}
 using System.CommandLine;
-using GitVersion.Extensions;
+using {{ExtensionsNamespaceName}};
 using {{InfrastructureNamespaceName}};
 
 namespace {{GeneratedNamespaceName}};

new-cli/GitVersion.Cli.Generator/SystemCommandlineGenerator.cs

@@ -36,7 +36,8 @@ internal override void GenerateSourceCode(SourceProductionContext context, Immut
         var rootCommandHandlerSource = rootCommandHandlerTemplate.Render(new
         {
             Constants.GeneratedNamespaceName,
-            Constants.CommonNamespaceName
+            Constants.CommonNamespaceName,
+            Constants.ExtensionsNamespaceName
         }, member => member.Name);
         context.AddSource("RootCommandImpl.g.cs", string.Join("\n", rootCommandHandlerSource));
 
@@ -45,7 +46,8 @@ internal override void GenerateSourceCode(SourceProductionContext context, Immut
         {
             Constants.GeneratedNamespaceName,
             Constants.InfrastructureNamespaceName,
-            Constants.CommonNamespaceName
+            Constants.CommonNamespaceName,
+            Constants.ExtensionsNamespaceName
         }, member => member.Name);
         context.AddSource("CliAppImpl.g.cs", string.Join("\n", cliAppSource));
     }