Enable nullable reference types globally via Directory.Build.props (#1951)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: lbussell <36081148+lbussell@users.noreply.github.com>
Co-authored-by: Logan Bussell <loganbussell@microsoft.com>
Co-authored-by: mthalman <15789599+mthalman@users.noreply.github.com>

Author: 3 people

.gitignore

@@ -26,6 +26,7 @@ msbuild.wrn
 
 # .NET and tools directories
 .dotnet/
+.nuget/
 .packages/
 .tools/
 

Directory.Build.props

@@ -5,6 +5,7 @@
   <PropertyGroup Label="Build Settings">
     <LangVersion>latest</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <PropertyGroup Label="Packaging Settings">

eng/src/file-pusher/AzDoSafeTraceListenerWrapper.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 

eng/src/file-pusher/Models/Config.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 

eng/src/file-pusher/Options.cs

@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System;

eng/src/file-pusher/file-pusher.csproj

@@ -5,7 +5,6 @@
     <TargetFramework>net9.0</TargetFramework>
     <RootNamespace>FilePusher</RootNamespace>
     <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
     <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>

eng/src/yaml-updater/Options.cs

@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
 using System.Collections.Generic;

eng/src/yaml-updater/yaml-updater.csproj

@@ -5,7 +5,6 @@
     <TargetFramework>net9.0</TargetFramework>
     <RootNamespace>YamlUpdater</RootNamespace>
     <LangVersion>latest</LangVersion>
-    <Nullable>enable</Nullable>
     <SuppressNETCoreSdkPreviewMessage>true</SuppressNETCoreSdkPreviewMessage>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>

src/ImageBuilder.Models/Manifest/Architecture.cs

@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 

src/ImageBuilder.Models/Manifest/CustomBuildLegGroup.cs

@@ -1,4 +1,5 @@
-// Licensed to the .NET Foundation under one or more agreements.
+#nullable disable
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.