[release/6.0] Don't special case "Experimental" projects (#60643)

* Don't special case "Experimental" projects

We only have one experimental project, System.Runtime.Experimental and
we want it to behave like any other package.

* Make coreclr packages use `IsShipping`

Co-authored-by: Eric StJohn <ericstj@microsoft.com>

Directory.Build.props

@@ -256,13 +256,11 @@
     <!-- Indicates this is not an officially supported release. Release branches should set this to false. -->
     <!-- Keep it in sync with PRERELEASE in eng/native/configureplatform.cmake -->
     <IsPrerelease>true</IsPrerelease>
-    <IsExperimentalAssembly>$(MSBuildProjectName.Contains('Experimental'))</IsExperimentalAssembly>
     <IsPrivateAssembly>$(MSBuildProjectName.Contains('Private'))</IsPrivateAssembly>
-    <!-- Experimental packages should not be stable -->
-    <SuppressFinalPackageVersion Condition="'$(SuppressFinalPackageVersion)' == '' and ($(IsExperimentalAssembly) or $(IsPrivateAssembly))">true</SuppressFinalPackageVersion>
-    <IsShippingAssembly Condition="$(IsExperimentalAssembly)">false</IsShippingAssembly>
+    <!-- Private packages should not be stable -->
+    <SuppressFinalPackageVersion Condition="'$(SuppressFinalPackageVersion)' == '' and $(IsPrivateAssembly)">true</SuppressFinalPackageVersion>
     <!-- We don't want Private packages to be shipped to NuGet.org -->
-    <IsShippingPackage Condition="$(MSBuildProjectName.Contains('Private')) or $(IsExperimentalAssembly)">false</IsShippingPackage>
+    <IsShippingPackage Condition="$(IsPrivateAssembly)">false</IsShippingPackage>
     <PlaceholderFile>$(RepositoryEngineeringDir)_._</PlaceholderFile>
   </PropertyGroup>
 

src/coreclr/.nuget/Directory.Build.props

@@ -16,11 +16,6 @@
 
     <!-- coreclr doesn't currently use the index so don't force it to be in sync -->
     <SkipIndexCheck>true</SkipIndexCheck>
-
-    <!-- Central place to set the versions of all nuget packages produced in the repo -->
-    <PackageVersion Condition="'$(PackageVersion)' == ''">$(ProductVersion)</PackageVersion>
-    <StableVersion Condition="'$(StabilizePackageVersion)' == 'true' and '$(StableVersion)' == '' and '$(PreReleaseVersionLabel)' != 'servicing'">$(PackageVersion)</StableVersion>
-    <StableVersion Condition="($(MSBuildProjectName.Contains('Private')) or $(MSBuildProjectName.Contains('Experimental')) or $(MSBuildProjectName.Contains('Transport'))) and '$(MSBuildProjectExtension)' == '.pkgproj'"></StableVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(PreReleaseVersionLabel)' == 'servicing'">

src/coreclr/.nuget/Directory.Build.targets

@@ -1,5 +1,13 @@
 <Project>
   <Import Project="..\Directory.Build.targets" />
+
+  <PropertyGroup>
+    <!-- Central place to set the versions of all nuget packages produced in the repo -->
+    <PackageVersion Condition="'$(PackageVersion)' == ''">$(ProductVersion)</PackageVersion>
+    <StableVersion Condition="'$(StabilizePackageVersion)' == 'true' and '$(StableVersion)' == '' and '$(PreReleaseVersionLabel)' != 'servicing'">$(PackageVersion)</StableVersion>
+    <StableVersion Condition="'$(IsShippingPackage)' != 'true' and '$(MSBuildProjectExtension)' == '.pkgproj'"></StableVersion>
+  </PropertyGroup>
+
   <Import Project="$(NuGetPackageRoot)\microsoft.dotnet.build.tasks.packaging\$(MicrosoftDotNetBuildTasksPackagingVersion)\build\Microsoft.DotNet.Build.Tasks.Packaging.targets" />
 
   <!--

src/coreclr/.nuget/ILCompiler.Reflection.ReadyToRun.Experimental/ILCompiler.Reflection.ReadyToRun.Experimental.pkgproj

@@ -2,6 +2,7 @@
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
 
   <PropertyGroup>
+    <IsShipping>false</IsShipping>
     <PackageDescription>This package provides a low-level ReadyToRun file format decoder. This package is experimental.</PackageDescription>
   </PropertyGroup>
 

src/coreclr/.nuget/Microsoft.CrossOsDiag.Private.CoreCLR/Microsoft.CrossOsDiag.Private.CoreCLR.pkgproj

@@ -1,6 +1,7 @@
 <Project DefaultTargets="Build">
   <Import Project="$([MSBuild]::GetPathOfFileAbove(Directory.Build.props))" />
   <PropertyGroup>
+    <IsShipping>false</IsShipping>
     <CreatePackedPackage>false</CreatePackedPackage>
     <PackageDescription>Private transport package for .NET Core cross OS diagnostic tooling.</PackageDescription>
   </PropertyGroup>