add .net9.0 target

Author: arturcic

build/Directory.Build.props

@@ -1,12 +1,12 @@
 <Project>
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <RunWorkingDirectory>$(MSBuildProjectDirectory)</RunWorkingDirectory>
         <OutputPath>..\..\run\</OutputPath>
         <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
         <Nullable>enable</Nullable>
-        <LangVersion>12</LangVersion>
+        <LangVersion>latest</LangVersion>
         <NoWarn>NU1604</NoWarn>
         <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>

build/common/Utilities/Constants.cs

@@ -7,7 +7,7 @@ public static class Constants
     public const string Repository = "GitVersion";
 
     public const string VersionLatest = "8.0";
-    public static readonly string[] DotnetVersions = [VersionLatest];
+    public static readonly string[] DotnetVersions = [VersionLatest, "9.0"];
 
     public const string DefaultBranch = "main";
     public const string DefaultConfiguration = "Release";

new-cli/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFramework>net8.0</TargetFramework>
+        <TargetFramework>net9.0</TargetFramework>
         <RootNamespace>GitVersion</RootNamespace>
 
         <LangVersion>latest</LangVersion>

src/Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFrameworks>net8.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
 
         <EndYear>$([System.DateTime]::Today.Year)</EndYear>
         <Authors>GitTools and Contributors</Authors>
@@ -22,7 +22,7 @@
         <WarningsAsErrors>$(WarningsAsErrors);RS0016;RS0017;RS0022;RS0024;RS0025;RS0026;RS0027</WarningsAsErrors>
 
         <DebugType>embedded</DebugType>
-        <LangVersion>12</LangVersion>
+        <LangVersion>latest</LangVersion>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
         <SatelliteResourceLanguages>en</SatelliteResourceLanguages>

src/GitVersion.MsBuild/GitVersion.MsBuild.csproj

@@ -39,6 +39,7 @@
         <None Include="msbuild/buildMultiTargeting/*.*" Pack="true" PackagePath="buildMultiTargeting" />
 
         <None Include="$(ExePublishPath)/net8.0/publish/**/*;$(BinPath)/net8.0/GitVersion.MsBuild.*" Pack="true" PackagePath="tools/net8.0" />
+        <None Include="$(ExePublishPath)/net9.0/publish/**/*;$(BinPath)/net9.0/GitVersion.MsBuild.*" Pack="true" PackagePath="tools/net9.0" />
     </ItemGroup>
 
 </Project>