Fix packages.config not being added to project.

NuGet's PhysicalFileSystem now has two AddFile methods
and both of these need to be overridden.

src/AddIns/Misc/PackageManagement/Project/Src/SharpDevelopProjectSystem.cs

@@ -187,10 +187,13 @@ namespace ICSharpCode.PackageManagement
 		public override void AddFile(string path, Stream stream)
 		{
 			PhysicalFileSystemAddFile(path, stream);
-			if (ShouldAddFileToProject(path)) {
-				AddFileToProject(path);
-			}
-			LogAddedFileToProject(path);
+			AddFileToProject(path);
+		}
+		
+		public override void AddFile(string path, Action<Stream> writeToStream)
+		{
+			PhysicalFileSystemAddFile(path, writeToStream);
+			AddFileToProject(path);
 		}
 		
 		protected virtual void PhysicalFileSystemAddFile(string path, Stream stream)
@@ -198,6 +201,19 @@ namespace ICSharpCode.PackageManagement
 			base.AddFile(path, stream);
 		}
 		
+		protected virtual void PhysicalFileSystemAddFile(string path, Action<Stream> writeToStream)
+		{
+			base.AddFile(path, writeToStream);
+		}
+		
+		void AddFileToProject(string path)
+		{
+			if (ShouldAddFileToProject(path)) {
+				AddFileProjectItemToProject(path);
+			}
+			LogAddedFileToProject(path);
+		}
+		
 		bool ShouldAddFileToProject(string path)
 		{
 			return !IsBinDirectory(path) && !FileExistsInProject(path);
@@ -215,7 +231,7 @@ namespace ICSharpCode.PackageManagement
 			return project.IsFileInProject(fullPath);
 		}
 		
-		void AddFileToProject(string path)
+		void AddFileProjectItemToProject(string path)
 		{
 			FileProjectItem fileItem = CreateFileProjectItem(path);
 			projectService.AddProjectItem(project, fileItem);

src/AddIns/Misc/PackageManagement/Test/Src/Helpers/TestableSharpDevelopProjectSystem.cs

@@ -13,6 +13,7 @@ namespace PackageManagement.Tests.Helpers
 	{
 		public string PathPassedToPhysicalFileSystemAddFile;
 		public Stream StreamPassedToPhysicalFileSystemAddFile;
+		public Action<Stream> ActionPassedToPhysicalFileSystemAddFile;
 		public FakeFileService FakeFileService;
 		public FakePackageManagementProjectService FakeProjectService;
 		public FakeLogger FakeLogger;
@@ -51,6 +52,12 @@ namespace PackageManagement.Tests.Helpers
 			StreamPassedToPhysicalFileSystemAddFile = stream;
 		}
 		
+		protected override void PhysicalFileSystemAddFile(string path, Action<Stream> writeToStream)
+		{
+			PathPassedToPhysicalFileSystemAddFile = path;
+			ActionPassedToPhysicalFileSystemAddFile = writeToStream;
+		}
+		
 		protected override void LogDeletedFile(string fileName)
 		{
 			FileNamePassedToLogDeletedFile = fileName;

src/AddIns/Misc/PackageManagement/Test/Src/SharpDevelopProjectSystemTests.cs

@@ -1035,5 +1035,37 @@ namespace PackageManagement.Tests
 			
 			Assert.AreEqual(1, project.GetImports().Count);
 		}
+		
+		[Test]
+		public void AddFile_NewFileAddedWithAction_AddsFileToFileSystem()
+		{
+			CreateTestProject();
+			CreateProjectSystem(project);
+			
+			string expectedPath = @"d:\temp\abc.cs";
+			Action<Stream> expectedAction = stream => { };
+			projectSystem.AddFile(expectedPath, expectedAction);
+			
+			Assert.AreEqual(expectedPath, projectSystem.PathPassedToPhysicalFileSystemAddFile);
+			Assert.AreEqual(expectedAction, projectSystem.ActionPassedToPhysicalFileSystemAddFile);
+		}
+		
+		[Test]
+		public void AddFile_NewFileAddedWithAction_AddsFileToProject()
+		{
+			CreateTestProject(@"d:\projects\MyProject\MyProject.csproj");
+			project.ItemTypeToReturnFromGetDefaultItemType = ItemType.Compile;
+			CreateProjectSystem(project);
+			
+			string fileName = @"d:\projects\MyProject\src\NewFile.cs";
+			Action<Stream> action = stream => { };
+			projectSystem.AddFile(fileName, action);
+			
+			FileProjectItem fileItem = ProjectHelper.GetFile(project, fileName);
+			FileProjectItem expectedFileItem = new FileProjectItem(project, ItemType.Compile);
+			expectedFileItem.FileName = fileName;
+			
+			FileProjectItemAssert.AreEqual(expectedFileItem, fileItem);
+		}
 	}
 }