add .net 8 support, remove netcore3.1 support

.github/workflows/build.yml

@@ -82,4 +82,4 @@ jobs:
       if: success() && matrix.os == 'ubuntu-latest'
       with:
         name: artifacts
-        path: src/dotnet-affected/bin/Debug/net7.0/
+        path: src/dotnet-affected/bin/Debug/net8.0/

Directory.Build.props

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFrameworks>net7.0;net6.0;netcoreapp3.1</TargetFrameworks>
+        <TargetFrameworks>net8.0;net7.0;net6.0</TargetFrameworks>
 
         <LangVersion>9.0</LangVersion>
 

Directory.Packages.props

@@ -40,4 +40,12 @@
         <PackageVersion Include="System.CodeDom" Version="7.0.0" />
     </ItemGroup>
 
+    <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+        <PackageVersion Include="Microsoft.Build" Version="17.5.0" />
+        <PackageVersion Include="Microsoft.Build.Framework" Version="17.5.0" />
+        <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="17.5.0" />
+        <PackageVersion Include="System.Configuration.ConfigurationManager" Version="8.0.0" />
+        <PackageVersion Include="System.CodeDom" Version="8.0.0" />
+    </ItemGroup>
+
 </Project>

global.json

@@ -1,6 +1,6 @@
 {
     "sdk": {
-        "version": "7.0.101",
+        "version": "8.0.100",
         "allowPrerelease": true
     }
 }

src/DotnetAffected.Core/AffectedExecutor.cs

@@ -38,8 +38,6 @@ public AffectedExecutor(
         }
 
         /// <inheritdoc />
-        public AffectedSummary Execute() => GitChangesProvider.MsBuildFileSystemSupported
-            ? new AffectedProcessor().Process(_context)
-            : new AffectedProcessorLegacy().Process(_context);
+        public AffectedSummary Execute() => new AffectedProcessor().Process(_context);
     }
 }

src/DotnetAffected.Core/GitChangesProvider.cs

@@ -1,16 +1,11 @@
 using DotnetAffected.Abstractions;
 using DotnetAffected.Core.FileSystem;
 using LibGit2Sharp;
-using Microsoft.Build.Construction;
-using Microsoft.Build.Definition;
 using Microsoft.Build.Evaluation;
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
-using System.Text;
-using System.Xml;
 
 namespace DotnetAffected.Core
 {
@@ -21,22 +16,6 @@ public class GitChangesProvider : IChangesProvider
     {
         internal static readonly bool IsWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
 
-        private static readonly Lazy<bool> ResolveMsBuildFileSystemSupported = new Lazy<bool>(() =>
-        {
-            var versionInfo = FileVersionInfo.GetVersionInfo(typeof(Project).Assembly.Location);
-            if (versionInfo.FileMajorPart > 16)
-                return true;
-            if (versionInfo.FileMajorPart < 16)
-                return false;
-            return versionInfo.FileMinorPart >= 10;
-        });
-
-        /// <summary>
-        /// When true, the build system supports virtual filesystem which means nested Directory.Packages.props files
-        /// are supported in central package management.
-        /// </summary>
-        public static bool MsBuildFileSystemSupported => ResolveMsBuildFileSystemSupported.Value;
-
         /// <inheritdoc />
         public IEnumerable<string> GetChangedFiles(string directory, string from, string to)
         {
@@ -52,7 +31,7 @@ public IEnumerable<string> GetChangedFiles(string directory, string from, string
             bool fallbackToHead)
         {
             var project = LoadProject(directory, pathToFile, commitRef, fallbackToHead);
-            if (project is null && MsBuildFileSystemSupported)
+            if (project is null)
             {
                 var fi = new FileInfo(pathToFile);
                 var parent = fi.Directory?.Parent?.FullName;
@@ -67,9 +46,7 @@ public IEnumerable<string> GetChangedFiles(string directory, string from, string
         /// <inheritdoc />
         public Project? LoadProject(string directory, string pathToFile, string? commitRef, bool fallbackToHead)
         {
-            return MsBuildFileSystemSupported
-                ? LoadProjectCore(directory, pathToFile, commitRef, fallbackToHead)
-                : LoadProjectLegacy(directory, pathToFile, commitRef, fallbackToHead);
+            return LoadProjectCore(directory, pathToFile, commitRef, fallbackToHead);
         }
 
         private Project? LoadProjectCore(string directory, string pathToFile, string? commitRef, bool fallbackToHead)
@@ -96,64 +73,6 @@ public IEnumerable<string> GetChangedFiles(string directory, string from, string
             return fs.FileExists(pathToFile) ? fs.CreateProjectAndEagerLoadChildren(pathToFile) : null;
         }
 
-        private Project? LoadProjectLegacy(string directory, string pathToFile, string? commitRef, bool fallbackToHead)
-        {
-            Commit? commit;
-
-            using var repository = new Repository(directory);
-
-            if (string.IsNullOrWhiteSpace(commitRef))
-                commit = fallbackToHead ? repository.Head.Tip : null;
-            else
-                commit = GetCommitOrThrow(repository, commitRef);
-
-            Stream GenerateStreamFromString(string s)
-            {
-                var stream = new MemoryStream();
-                var writer = new StreamWriter(stream);
-                writer.Write(s);
-                writer.Flush();
-                stream.Position = 0;
-                return stream;
-            }
-
-            var projectCollection = new ProjectCollection();
-
-            if (commit is null)
-            {
-                var path = Path.Combine(directory, pathToFile);
-                if (!File.Exists(path)) return null;
-
-                using var reader = new XmlTextReader(GenerateStreamFromString(File.ReadAllText(path)));
-                var projectRootElement = ProjectRootElement.Create(reader);
-                projectRootElement.FullPath = pathToFile;
-                return Project.FromProjectRootElement(projectRootElement, new ProjectOptions
-                {
-                    LoadSettings = ProjectLoadSettings.Default, ProjectCollection = projectCollection,
-                });
-            }
-            else
-            {
-                var path = IsWindows
-                    ? Path.GetRelativePath(directory, pathToFile)
-                        .Replace('\\', '/')
-                    : Path.GetRelativePath(directory, pathToFile);
-                var treeEntry = commit[path];
-                if (treeEntry == null) return null;
-
-                var blob = (Blob)treeEntry.Target;
-
-                using var content = new StreamReader(blob.GetContentStream(), Encoding.UTF8);
-                using var reader = new XmlTextReader(GenerateStreamFromString(content.ReadToEnd()));
-                var projectRootElement = ProjectRootElement.Create(reader);
-                projectRootElement.FullPath = pathToFile;
-                return Project.FromProjectRootElement(projectRootElement, new ProjectOptions
-                {
-                    LoadSettings = ProjectLoadSettings.Default, ProjectCollection = projectCollection,
-                });
-            }
-        }
-
         private static (Commit? From, Commit To) ParseRevisionRanges(
             Repository repository,
             string from,

src/DotnetAffected.Core/ProjectFactory.cs

@@ -42,8 +42,9 @@ public Project CreateProject(string projectRootElementFilePath)
             var loaded = ProjectCollection.GetLoadedProjects(projectRootElementFilePath);
             if (loaded.Any())
                 return loaded.Single();
-                
+
             var projectRootElement = CreateProjectRootElement(projectRootElementFilePath);
+            // TODO
             return Project
                 .FromProjectRootElement(projectRootElement, new ProjectOptions
                 {

src/DotnetAffected.Tasks/README.md

@@ -254,7 +254,7 @@ as they don't actually build projects, they just delegate the build to a differe
 own configuration.
 
 However, `DotnetAffected.Tasks` itself contains code to execute in build time, which
-support TFMs `netcore3.1`, `net6.0` and `net7.0`.
+support TFMs `net6.0`, `net7.0` and `net8.0`.
 
 The TFM must be known so the proper TFM facing assembly is used.
 
@@ -265,6 +265,7 @@ In most cases it is automatically resolved using the following logic:
     - If >= `17.0.0` it will resolve to `net6.0`
     - Else if >= `16.11.0` it will resolve to `net5.0`
     - Else it will resolve to `netcoreapp3.1`
+    - TODO
 
 If you have issues, you can override the logic by specifically setting the `<TargetFramework>`.
 
@@ -278,5 +279,5 @@ If you have issues, you can override the logic by specifically setting the `<Tar
 ```
 
 > `DotnetAffected.Tasks` provides MSBuild integration using `DotnetAffected.Core` under the hood.  
-`DotnetAffected.Core` support TFMs `netcore3.1`, `net6.0` and `net7.0`.
+`DotnetAffected.Core` support TFMs `net6.0`, `net7.0` and `net8.0`.
 

src/DotnetAffected.Tasks/Sdk/Sdk.props

@@ -7,10 +7,10 @@
 
         <!--    TargetFramework is not set by default in all project styles, especially traversal like projects
                 However, we need it to properly load the assembly
-                
+
                 We respect user input, if explicilty set in <TargetFramework>
                 If not, we auto-detect it and assign it to <TargetFramework>
-                
+
                 Later in .targets, we _DotnetAffectedTargetFramework to load the assembly but if TargetFramework is not empty
                 we will use it, this is to allow late modification for TargetFramework down the pipe
         -->
@@ -19,7 +19,6 @@
         <_DotnetAffectedTargetFramework Condition="'$(_DotnetAffectedTargetFramework)' == ''">$(MicrosoftNETBuildTasksTFM)</_DotnetAffectedTargetFramework>
         <_DotnetAffectedTargetFramework Condition="'$(_DotnetAffectedTargetFramework)' == '' And $([MSBuild]::VersionGreaterThanOrEquals('$(MSBuildVersion)', '17.0.0'))">net6.0</_DotnetAffectedTargetFramework>
         <_DotnetAffectedTargetFramework Condition="'$(_DotnetAffectedTargetFramework)' == '' And $([MSBuild]::VersionGreaterThanOrEquals('$(MSBuildVersion)', '16.11.0'))">net5.0</_DotnetAffectedTargetFramework>
-        <_DotnetAffectedTargetFramework Condition="'$(_DotnetAffectedTargetFramework)' == ''">netcoreapp3.1</_DotnetAffectedTargetFramework>
 
         <TargetFramework>$(_DotnetAffectedTargetFramework)</TargetFramework>
     </PropertyGroup>

src/dotnet-affected/dotnet-affected.csproj

@@ -13,7 +13,6 @@
         <PackageReference Include="Microsoft.Build.Framework" ExcludeAssets="runtime" />
         <PackageReference Include="Microsoft.Build.Utilities.Core" ExcludeAssets="runtime" />
         <PackageReference Include="Microsoft.Build.Locator" />
-        <PackageReference Condition="'$(TargetFramework)' == 'netcoreapp3.1'" Include="Microsoft.Win32.Registry" />
         <PackageReference Include="System.CommandLine" />
         <PackageReference Include="System.CommandLine.Rendering" />
     </ItemGroup>

test/DotnetAffected.Tasks.Tests/Extensions/TemporaryRepositoryExtensions.cs

@@ -15,23 +15,8 @@ public static async Task PrepareTaskInfra(this TemporaryRepository repo, string
             await repo.CreateTextFileAsync("ci.props", TestProjectScenarios.CiProps);
 
             var hasImportResource = !string.IsNullOrWhiteSpace(importResource);
-            var isNetCoreApp31 = Utils.TargetFramework == "netcoreapp3.1";
-            if (!hasImportResource && !isNetCoreApp31)
-                return;
-
             var ciProps = ProjectRootElement.Open(Path.Combine(repo.Path, "ci.props"))!;
 
-            if (isNetCoreApp31)
-            {
-                // "ci.props" imports DotnetAffected.Tasks as an Sdk
-                // <Import Project="Sdk.props" Sdk="$(DotnetAffectedNugetDir)" />
-                // 
-                // When we execute the build within the test we provide the property "DotnetAffectedNugetDir" with the lib's location
-                // For some reason it's not working in 3.1 so we override
-                foreach (var importElement in ciProps.Imports)
-                    importElement.Sdk = Utils.DotnetAffectedNugetDir;
-            }
-
             if (hasImportResource)
             {
                 var fileName = $"./{Guid.NewGuid().ToString()}.props";

test/DotnetAffected.Tasks.Tests/Utils.cs

@@ -28,8 +28,6 @@ public static class Utils
 
             switch (majorVersion)
             {
-                case 3:
-                    return "netcoreapp3.1";
                 case >= 5:
                     return $"net{majorVersion}.0";
                 default:

test/DotnetAffected.Testing.Utils/DotnetAffected.Testing.Utils.csproj

@@ -5,7 +5,6 @@
 
     <ItemGroup>
         <PackageReference Include="LibGit2Sharp"/>
-        <PackageReference Condition="'$(TargetFramework)' == 'netcoreapp3.1'" Include="Microsoft.Win32.Registry"/>
         <PackageReference Include="Microsoft.Build.Locator"/>
     </ItemGroup>