fix(pipeline): isolate AOT publish outputs to stop clobbering pack DLLs (#5622)

.github/workflows/dotnet.yml

@@ -111,6 +111,23 @@ jobs:
         id: gitversion
         uses: gittools/actions/gitversion/execute@v4
 
+      # Export GitVersion outputs as env vars. MSBuild auto-binds env vars whose name
+      # matches a property to a global property, so every subsequent dotnet build/publish/
+      # pack/test in this job — including ones launched by TUnit.Pipeline — stamps the
+      # correct AssemblyVersion/FileVersion even on AOT recompiles. Without this, a
+      # publish that triggers a recompile drops AssemblyVersion to 1.0.0.0, and any
+      # following `pack --no-build` ships a strong-name-mismatched package (issue #5622).
+      - name: Export version env vars
+        shell: bash
+        run: |
+          {
+            echo "Version=${{ steps.gitversion.outputs.semVer }}"
+            echo "AssemblyVersion=${{ steps.gitversion.outputs.assemblySemVer }}"
+            echo "FileVersion=${{ steps.gitversion.outputs.assemblySemFileVer }}"
+            echo "InformationalVersion=${{ steps.gitversion.outputs.informationalVersion }}"
+            echo "PackageVersion=${{ steps.gitversion.outputs.fullSemVer }}"
+          } >> "$GITHUB_ENV"
+
       - name: Restore
         shell: bash
         run: dotnet restore TUnit.CI.slnx

TUnit.Pipeline/Modules/PackTUnitFilesModule.cs

@@ -8,8 +8,14 @@
 
 namespace TUnit.Pipeline.Modules;
 
+// Must run after any module that may recompile packable projects (TUnit.Mocks et al).
+// This module uses NoBuild=true and packs whatever bin/Release/{tfm}/*.dll is on disk, so
+// a racing recompile without version props would ship strong-name-mismatched packages.
+// Version props come from $GITHUB_ENV (see .github/workflows/dotnet.yml) so recompiles
+// also stamp the correct AssemblyVersion. See issue #5622.
 [DependsOn<GetPackageProjectsModule>]
 [DependsOn<GenerateVersionModule>]
+[DependsOn<PublishMockTestsAOTModule>]
 public class PackTUnitFilesModule : Module<List<PackedProject>>
 {
     // Packages in beta get a "-beta" suffix appended to their version.

TUnit.Pipeline/Modules/PublishNugetTesterAOTModule.cs

@@ -48,7 +48,7 @@ protected override ModuleConfiguration Configure() => ModuleConfiguration.Create
                     Properties =
                     [
                         new KeyValue("Aot", "true"),
-                        new KeyValue("TUnitVersion", version.ValueOrDefault!.SemVer!)
+                        new KeyValue("TUnitVersion", version.ValueOrDefault!.SemVer!),
                     ],
                     Framework = framework,
                 }, new CommandExecutionOptions