Transforming to .txt instead of .cs file

[ns6000]

Hello,

i've installed latest version on my VS2019 / netstandard2.0 project and it works but instead of generating .cs file as specified in template, it generates .txt file on build (with correct content).

my csproj is:

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>netstandard2.0</TargetFramework>
    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
    <Configurations>Debug;Release</Configurations>
    <TextTransformPath>$(VsInstallRoot)\Common7\IDE\TextTransform.exe</TextTransformPath>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Clarius.TransformOnBuild" Version="1.22.0">
      <PrivateAssets>all</PrivateAssets>
      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
    </PackageReference>
  </ItemGroup>

  <ItemGroup>
    <None Update="AssemblyInfo.tt">
      <Generator>TextTemplatingFileGenerator</Generator>
      <LastGenOutput>AssemblyInfo.cs</LastGenOutput>
    </None>
  </ItemGroup>

  <ItemGroup>
    <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
  </ItemGroup>

  <ItemGroup>
    <Compile Update="AssemblyInfo.cs">
      <DesignTime>True</DesignTime>
      <AutoGen>True</AutoGen>
      <DependentUpon>AssemblyInfo.tt</DependentUpon>
    </Compile>
  </ItemGroup>
</Project>

and my whole template is:

<#@ template language="C#" #>

using System.Reflection;

[assembly: AssemblyProduct("product")]
[assembly: AssemblyCompany("company")]

[assembly: AssemblyCopyright("Copyright © 2020 - 2022 company")]

[assembly: AssemblyVersion("<#= versionNumber #>.<#= this.revisionNumber #>")]
[assembly: AssemblyFileVersion("<#= versionNumber #>.<#= this.revisionNumber #>")]
<#+
    string versionNumber = "0.2.8";
    int revisionNumber   = (int)(DateTime.UtcNow - new DateTime(2020, 1, 1)).TotalDays;
#>

Any ideas what i'm doing wrong?

[MAKFneish]

add <#@ output extension="cs" #> to the top of your template file

[ns6000]

that solved it, thank you!