correctly suppress aliased dependencies according to request

src/NuGet.Core/NuGet.Build.Tasks.Pack/PackTaskLogic.cs

@@ -219,13 +219,30 @@ public PackageBuilder GetPackageBuilder(IPackTaskRequest<IMSBuildItem> request)
                     .ToDictionary(msbuildItem => msbuildItem.Identity,
                     msbuildItem => msbuildItem.GetProperty("ProjectVersion"), PathUtility.GetStringComparerBasedOnOS());
             }
+
+            var aliases = new Dictionary<string, string>();
+            foreach (var tfm in assetsFile.PackageSpec.TargetFrameworks)
+            {
+                aliases[tfm.TargetAlias] = tfm.FrameworkName.GetShortFolderName();
+            }
+
             var nuGetFrameworkComparer = new NuGetFrameworkFullComparer();
             var frameworksWithSuppressedDependencies = new HashSet<NuGetFramework>(nuGetFrameworkComparer);
             if (request.FrameworksWithSuppressedDependencies != null && request.FrameworksWithSuppressedDependencies.Any())
             {
                 frameworksWithSuppressedDependencies =
                     new HashSet<NuGetFramework>(request.FrameworksWithSuppressedDependencies
-                    .Select(t => NuGetFramework.Parse(t.Identity)).ToList(), nuGetFrameworkComparer);
+                    .Select(t =>
+                    {
+                        if (aliases.TryGetValue(t.Identity, out string translated))
+                        {
+                            return NuGetFramework.Parse(translated);
+                        }
+                        else
+                        {
+                            return NuGetFramework.Parse(t.Identity);
+                        }
+                    }).ToList(), nuGetFrameworkComparer);
             }
 
             PopulateProjectAndPackageReferences(builder,

test/NuGet.Core.FuncTests/Dotnet.Integration.Test/PackCommandTests.cs

@@ -73,6 +73,42 @@ public void PackCommand_PackNewDefaultProject_NupkgExists()
             }
         }
 
+        [PlatformFact(Platform.Windows)]
+        public void PackCommand_PackToolUsingAlias_DoesNotWarnAboutNoExactMatchInDependencyGroupAndLibRefDirectories()
+        {
+            // Ref: https://github.com/NuGet/Home/issues/10097
+            using (var testDirectory = msbuildFixture.CreateTestDirectory())
+            {
+                // Arrange
+                var projectName = "ConsoleApp1";
+                var workingDirectory = Path.Combine(testDirectory, projectName);
+                msbuildFixture.CreateDotnetNewProject(testDirectory.Path, projectName, " console");
+                var projectFile = Path.Combine(workingDirectory, $"{projectName}.csproj");
+                using (var stream = new FileStream(projectFile, FileMode.Open, FileAccess.ReadWrite))
+                {
+                    var xml = XDocument.Load(stream);
+
+                    ProjectFileUtils.AddProperty(xml, "PackAsTool", "true");
+                    ProjectFileUtils.ChangeProperty(xml, "TargetFramework", "myalias");
+
+                    var tfmProps = new Dictionary<string, string>();
+                    tfmProps["TargetFrameworkIdentifier"] = ".NETCoreApp";
+                    tfmProps["TargetFrameworkVersion"] = "v3.1";
+                    tfmProps["TargetFrameworkMoniker"] = ".NETCoreApp,Version=v3.1";
+                    ProjectFileUtils.AddProperties(xml, tfmProps, " '$(TargetFramework)' == 'myalias' ");
+
+                    ProjectFileUtils.WriteXmlToFile(xml, stream);
+                }
+
+                // Act
+                msbuildFixture.RestoreProject(workingDirectory, projectName, string.Empty);
+                var result = msbuildFixture.PackProject(workingDirectory, projectName, $"-o {workingDirectory}");
+
+                // Assert
+                result.AllOutput.Should().NotContain("NU5128");
+            }
+        }
+
         [PlatformFact(Platform.Windows)]
         public void PackCommand_PackNewDefaultProject_IncludeSymbolsWithSnupkg()
         {