Add VersionOverride support for Central Package Management

src/NuGetizer.Tasks/InferImplicitPackageReference.cs

@@ -48,7 +48,11 @@ static PackageIdentity parse(string value)
                     // the right version if the project is using centrally managed versions
                     var primaryReference = PackageReferences.FirstOrDefault(x => x.ItemSpec == identity.Id);
                     if (primaryReference != null && primaryReference.GetNullableMetadata("Version") == null)
-                        primaryReference.SetMetadata("Version", identity.Version);
+                    {
+                        // If VersionOverride is specified (CPM feature), use it instead of the resolved version
+                        var versionOverride = primaryReference.GetNullableMetadata("VersionOverride");
+                        primaryReference.SetMetadata("Version", versionOverride ?? identity.Version);
+                    }
                 }
             }
 

src/NuGetizer.Tasks/NuGetizer.Inference.targets

@@ -183,6 +183,7 @@ Copyright (c) .NET Foundation. All rights reserved.
     </_ReferenceRelatedPaths>
     <PackageDependencies>
       <ParentPackage />
+      <ParentTarget />
     </PackageDependencies>
   </ItemDefinitionGroup>
 
@@ -445,14 +446,22 @@ Copyright (c) .NET Foundation. All rights reserved.
     <PropertyGroup>
       <_CandidatePackageId>%(PackageReference.Identity)</_CandidatePackageId>
       <_CandidatePackageVersion>%(PackageReference.Version)</_CandidatePackageVersion>
+      <_CandidatePackageVersionOverride>%(PackageReference.VersionOverride)</_CandidatePackageVersionOverride>
       <_CandidatePackageIsImplicit>%(PackageReference.IsImplicitlyDefined)</_CandidatePackageIsImplicit>
     </PropertyGroup>
 
+    <!-- If VersionOverride is set (CPM feature), use it directly -->
+    <ItemGroup Condition="$(_CandidatePackageIsImplicit) != 'true' and '$(_CandidatePackageVersionOverride)' != ''">
+      <PackageReference Update="$(_CandidatePackageId)" Version="$(_CandidatePackageVersionOverride)" />
+    </ItemGroup>
+
     <ItemGroup Condition="$(_CandidatePackageIsImplicit) != 'true' and 
+                          '$(_CandidatePackageVersionOverride)' == '' and
                           ($(_CandidatePackageVersion) == '' or $(_CandidatePackageVersion.Contains('*')))">
       <_ResolvedPackageDependency Include="@(PackageDependencies)"
                                   Condition="$([MSBuild]::ValueOrDefault('%(Identity)', '').StartsWith('$(_CandidatePackageId)/')) and 
-                                             $([MSBuild]::ValueOrDefault('%(ParentPackage)', '')) == ''" />
+                                             $([MSBuild]::ValueOrDefault('%(ParentPackage)', '')) == '' and
+                                             $([MSBuild]::ValueOrDefault('%(ParentTarget)', '')) == '$(TargetFramework)'" />
     </ItemGroup>
 
     <PropertyGroup Condition="'@(_ResolvedPackageDependency)' != ''">

src/NuGetizer.Tests/given_packagereferences.cs

@@ -349,5 +349,47 @@ public void when_centrally_managed_version_private_assets_then_adds_versioned_pr
                 Version = "4.4.1"
             }));
         }
+
+        [Fact]
+        public void when_centrally_managed_with_version_override_then_uses_override()
+        {
+            var result = Builder.BuildProject(@"
+<Project Sdk='Microsoft.NET.Sdk'>
+  <PropertyGroup>
+    <PackageId>Library</PackageId>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include='Newtonsoft.Json' VersionOverride='11.0.2' />
+    <PackageReference Include='Castle.Core' />
+  </ItemGroup>
+</Project>",
+                output: output,
+                files: ("Directory.Packages.props", @"
+<Project>
+    <ItemGroup>
+        <PackageVersion Include='Newtonsoft.Json' Version='12.0.3' />
+        <PackageVersion Include='Castle.Core' Version='4.4.1' />
+    </ItemGroup>
+</Project>
+"));
+
+            result.AssertSuccess(output);
+            // VersionOverride should take precedence over the centrally managed version
+            Assert.Contains(result.Items, item => item.Matches(new
+            {
+                PackFolder = PackFolderKind.Dependency,
+                Identity = "Newtonsoft.Json",
+                Version = "11.0.2"
+            }));
+            // Castle.Core should use the centrally managed version
+            Assert.Contains(result.Items, item => item.Matches(new
+            {
+                PackFolder = PackFolderKind.Dependency,
+                Identity = "Castle.Core",
+                Version = "4.4.1"
+            }));
+        }
     }
 }