Updates for .NET 8

.github/workflows/ci.yml

@@ -15,20 +15,20 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.0
+        uses: actions/checkout@v4.1.2
         with:
           fetch-depth: 0
       - name: Install .NET SDK
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v4.0.0
         with:
           dotnet-version: 8.0.x
       - name: Build
         run: dotnet build LibGit2Sharp.sln --configuration Release
       - name: Upload packages
-        uses: actions/upload-artifact@v3.1.2
+        uses: actions/upload-artifact@v4.3.1
         with:
           name: NuGet packages
-          path: bin/Packages/
+          path: artifacts/package/
           retention-days: 7
       - name: Verify trimming compatibility
         run: dotnet publish TrimmingTestApp
@@ -37,24 +37,36 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        arch: [ amd64 ]
-        os: [ windows-2019, macos-11 ]
-        tfm: [ net472, net6.0, net7.0 ]
+        arch: [ x64 ]
+        os: [ windows-2019, windows-2022, macos-11, macos-12, macos-13 ]
+        tfm: [ net472, net6.0, net8.0 ]
         exclude:
           - os: macos-11
             tfm: net472
+          - os: macos-11
+            tfm: net8.0
+          - os: macos-12
+            tfm: net472
+          - os: macos-13
+            tfm: net472
+        include:
+          - arch: arm64
+            os: macos-14
+            tfm: net6.0
+          - arch: arm64
+            os: macos-14
+            tfm: net8.0
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.0
+        uses: actions/checkout@v4.1.2
         with:
           fetch-depth: 0
       - name: Install .NET SDK
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v4.0.0
         with:
           dotnet-version: |
             8.0.x
-            7.0.x
             6.0.x
       - name: Run ${{ matrix.tfm }} tests
         run: dotnet test LibGit2Sharp.sln --configuration Release --framework ${{ matrix.tfm }} --logger "GitHubActions" /p:ExtraDefine=LEAKS_IDENTIFYING
@@ -65,22 +77,32 @@ jobs:
       matrix:
         arch: [ amd64 ]
         # arch: [ amd64, arm64 ]
-        distro: [ alpine.3.13, alpine.3.14, alpine.3.15, alpine.3.16, alpine.3.17, centos.stream.8, debian.10, debian.11, fedora.36, ubuntu.18.04, ubuntu.20.04, ubuntu.22.04 ]
-        sdk:  [ '6.0', '7.0' ]
+        distro: [ alpine.3.13, alpine.3.14, alpine.3.15, alpine.3.16, alpine.3.17, alpine.3.18, centos.stream.8, debian.10, debian.11, fedora.36, fedora.37, ubuntu.18.04, ubuntu.20.04, ubuntu.22.04 ]
+        sdk:  [ '6.0', '8.0' ]
         exclude:
           - distro: alpine.3.13
-            sdk: '7.0'
+            sdk: '8.0'
           - distro: alpine.3.14
-            sdk: '7.0'
+            sdk: '8.0'
+          - distro: alpine.3.15
+            sdk: '8.0'
+          - distro: alpine.3.16
+            sdk: '8.0'
+          - distro: debian.10
+            sdk: '8.0'
+          - distro: fedora.36
+            sdk: '8.0'
+          - distro: ubuntu.18.04
+            sdk: '8.0'
         include:
           - sdk: '6.0'
             tfm: net6.0
-          - sdk: '7.0'
-            tfm: net7.0
+          - sdk: '8.0'
+            tfm: net8.0
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v3.5.0
+        uses: actions/checkout@v4.1.2
         with:
           fetch-depth: 0
       - name: Setup QEMU

.gitignore

@@ -38,5 +38,5 @@ _ReSharper*/
 *.DotSettings
 
 _NCrunch_LibGit2Sharp/
-packages/
+artifacts/
 worktree.playlist

Directory.Build.props

@@ -1,10 +1,9 @@
 <Project>
 
   <PropertyGroup>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <OutputPath>$(MSBuildThisFileDirectory)bin\$(MSBuildProjectName)\$(Configuration)\</OutputPath>
-    <BaseIntermediateOutputPath>$(MSBuildThisFileDirectory)obj\$(MSBuildProjectName)\</BaseIntermediateOutputPath>
-    <PackageOutputPath>$(MSBuildThisFileDirectory)bin\Packages\</PackageOutputPath>
+    <UseArtifactsOutput>true</UseArtifactsOutput>
     <DefineConstants Condition=" '$(ExtraDefine)' != '' ">$(DefineConstants);$(ExtraDefine)</DefineConstants>
   </PropertyGroup>
 

LibGit2Sharp.Tests/BranchFixture.cs

@@ -4,7 +4,6 @@
 using System.Linq;
 using LibGit2Sharp.Tests.TestHelpers;
 using Xunit;
-using Xunit.Extensions;
 
 namespace LibGit2Sharp.Tests
 {
@@ -103,7 +102,7 @@ public void CanCreateAnUnbornBranch()
         public void CanCreateBranchUsingAbbreviatedSha()
         {
             string path = SandboxBareTestRepo();
-            using (var repo = new Repository(path, new RepositoryOptions{ Identity = Constants.Identity }))
+            using (var repo = new Repository(path, new RepositoryOptions { Identity = Constants.Identity }))
             {
                 EnableRefLog(repo);
 
@@ -1001,7 +1000,7 @@ public void OnlyOneBranchIsTheHead()
                         continue;
                     }
 
-                    Assert.True(false, string.Format("Both '{0}' and '{1}' appear to be Head.", head.CanonicalName, branch.CanonicalName));
+                    Assert.Fail(string.Format("Both '{0}' and '{1}' appear to be Head.", head.CanonicalName, branch.CanonicalName));
                 }
 
                 Assert.NotNull(head);

LibGit2Sharp.Tests/CommitFixture.cs

@@ -406,7 +406,7 @@ public void CanEnumerateCommitsFromATagWhichPointsToABlob()
         {
             AssertEnumerationOfCommits(
                 repo => new CommitFilter { IncludeReachableFrom = repo.Tags["point_to_blob"] },
-                new string[] { });
+                Array.Empty<string>());
         }
 
         [Fact]
@@ -421,7 +421,7 @@ public void CanEnumerateCommitsFromATagWhichPointsToATree()
 
                 AssertEnumerationOfCommitsInRepo(repo,
                     r => new CommitFilter { IncludeReachableFrom = tag },
-                    new string[] { });
+                    Array.Empty<string>());
             }
         }
 

LibGit2Sharp.Tests/DiffTreeToTreeFixture.cs

@@ -9,7 +9,7 @@ namespace LibGit2Sharp.Tests
 {
     public class DiffTreeToTreeFixture : BaseFixture
     {
-        private static readonly string subBranchFilePath = String.Join("/", "1", "branch_file.txt");
+        private static readonly string subBranchFilePath = string.Join("/", "1", "branch_file.txt");
 
         [Fact]
         public void ComparingATreeAgainstItselfReturnsNoDifference()
@@ -27,7 +27,7 @@ public void ComparingATreeAgainstItselfReturnsNoDifference()
                 using (var patch = repo.Diff.Compare<Patch>(tree, tree))
                 {
                     Assert.Empty(patch);
-                    Assert.Equal(String.Empty, patch);
+                    Assert.Equal(string.Empty, patch);
                 }
             }
         }

LibGit2Sharp.Tests/FetchFixture.cs

@@ -42,7 +42,7 @@ public void CanFetchIntoAnEmptyRepository(string url)
                 }
 
                 // Perform the actual fetch
-                Commands.Fetch(repo, remoteName, new string[0], new FetchOptions { OnUpdateTips = expectedFetchState.RemoteUpdateTipsHandler }, null);
+                Commands.Fetch(repo, remoteName, Array.Empty<string>(), new FetchOptions { OnUpdateTips = expectedFetchState.RemoteUpdateTipsHandler }, null);
 
                 // Verify the expected
                 expectedFetchState.CheckUpdatedReferences(repo);
@@ -62,7 +62,7 @@ public void CanFetchIntoAnEmptyRepositoryWithCredentials()
                 repo.Network.Remotes.Add(remoteName, Constants.PrivateRepoUrl);
 
                 // Perform the actual fetch
-                Commands.Fetch(repo, remoteName, new string[0], new FetchOptions
+                Commands.Fetch(repo, remoteName, Array.Empty<string>(), new FetchOptions
                 {
                     CredentialsProvider = Constants.PrivateRepoCredentials
                 }, null);
@@ -98,7 +98,7 @@ public void CanFetchAllTagsIntoAnEmptyRepository(string url)
                 }
 
                 // Perform the actual fetch
-                Commands.Fetch(repo, remoteName, new string[0], new FetchOptions
+                Commands.Fetch(repo, remoteName, Array.Empty<string>(), new FetchOptions
                 {
                     TagFetchMode = TagFetchMode.All,
                     OnUpdateTips = expectedFetchState.RemoteUpdateTipsHandler
@@ -179,7 +179,7 @@ public void FetchRespectsConfiguredAutoTagSetting(TagFetchMode tagFetchMode, int
                     r => r.TagFetchMode = tagFetchMode);
 
                 // Perform the actual fetch.
-                Commands.Fetch(repo, remoteName, new string[0], null, null);
+                Commands.Fetch(repo, remoteName, Array.Empty<string>(), null, null);
 
                 // Verify the number of fetched tags.
                 Assert.Equal(expectedTagCount, repo.Tags.Count());
@@ -197,7 +197,7 @@ public void CanFetchAllTagsAfterAnInitialClone()
 
             using (var repo = new Repository(clonedRepoPath))
             {
-                Commands.Fetch(repo, "origin", new string[0], new FetchOptions { TagFetchMode = TagFetchMode.All }, null);
+                Commands.Fetch(repo, "origin", Array.Empty<string>(), new FetchOptions { TagFetchMode = TagFetchMode.All }, null);
             }
         }
 
@@ -223,17 +223,17 @@ public void FetchHonorsTheFetchPruneConfigurationEntry()
 
                 // No pruning when the configuration entry isn't defined
                 Assert.Null(clonedRepo.Config.Get<bool>("fetch.prune"));
-                Commands.Fetch(clonedRepo, "origin", new string[0], null, null);
+                Commands.Fetch(clonedRepo, "origin", Array.Empty<string>(), null, null);
                 Assert.Equal(5, clonedRepo.Branches.Count(b => b.IsRemote && b.FriendlyName != "origin/HEAD"));
 
                 // No pruning when the configuration entry is set to false
                 clonedRepo.Config.Set<bool>("fetch.prune", false);
-                Commands.Fetch(clonedRepo, "origin", new string[0], null, null);
+                Commands.Fetch(clonedRepo, "origin", Array.Empty<string>(), null, null);
                 Assert.Equal(5, clonedRepo.Branches.Count(b => b.IsRemote && b.FriendlyName != "origin/HEAD"));
 
                 // Auto pruning when the configuration entry is set to true
                 clonedRepo.Config.Set<bool>("fetch.prune", true);
-                Commands.Fetch(clonedRepo, "origin", new string[0], null, null);
+                Commands.Fetch(clonedRepo, "origin", Array.Empty<string>(), null, null);
                 Assert.Equal(4, clonedRepo.Branches.Count(b => b.IsRemote && b.FriendlyName != "origin/HEAD"));
             }
         }
@@ -248,10 +248,10 @@ public void CannotFetchWithForbiddenCustomHeaders()
             string clonedRepoPath = Repository.Clone(url, scd.DirectoryPath);
 
             const string knownHeader = "User-Agent: mygit-201";
-            var options = new FetchOptions { CustomHeaders = new String[] { knownHeader } };
+            var options = new FetchOptions { CustomHeaders = new string[] { knownHeader } };
             using (var repo = new Repository(clonedRepoPath))
             {
-                Assert.Throws<LibGit2SharpException>(() => Commands.Fetch(repo, "origin", new string[0], options, null));
+                Assert.Throws<LibGit2SharpException>(() => Commands.Fetch(repo, "origin", Array.Empty<string>(), options, null));
             }
         }
 
@@ -265,10 +265,10 @@ public void CanFetchWithCustomHeaders()
             string clonedRepoPath = Repository.Clone(url, scd.DirectoryPath);
 
             const string knownHeader = "X-Hello: mygit-201";
-            var options = new FetchOptions { CustomHeaders = new String[] { knownHeader } };
+            var options = new FetchOptions { CustomHeaders = new string[] { knownHeader } };
             using (var repo = new Repository(clonedRepoPath))
             {
-                Commands.Fetch(repo, "origin", new string[0], options, null);
+                Commands.Fetch(repo, "origin", Array.Empty<string>(), options, null);
             }
         }
 
@@ -282,10 +282,10 @@ public void CannotFetchWithMalformedCustomHeaders()
             string clonedRepoPath = Repository.Clone(url, scd.DirectoryPath);
 
             const string knownHeader = "Hello world";
-            var options = new FetchOptions { CustomHeaders = new String[] { knownHeader } };
+            var options = new FetchOptions { CustomHeaders = new string[] { knownHeader } };
             using (var repo = new Repository(clonedRepoPath))
             {
-                Assert.Throws<LibGit2SharpException>(() => Commands.Fetch(repo, "origin", new string[0], options, null));
+                Assert.Throws<LibGit2SharpException>(() => Commands.Fetch(repo, "origin", Array.Empty<string>(), options, null));
             }
         }
 

LibGit2Sharp.Tests/FilterBranchFixture.cs

@@ -234,7 +234,7 @@ public void CanRewriteTreesByInjectingTreeEntry()
 
             AssertSucceedingButNotError();
 
-            Assert.Equal(new Commit[0],
+            Assert.Equal(Array.Empty<Commit>(),
                          repo.Commits
                              .QueryBy(new CommitFilter {IncludeReachableFrom = repo.Branches})
                              .Where(c => c["README"] != null

LibGit2Sharp.Tests/FilterFixture.cs

@@ -1,10 +1,9 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.IO;
+using System.Threading.Tasks;
 using LibGit2Sharp.Tests.TestHelpers;
 using Xunit;
-using System.Threading.Tasks;
 
 namespace LibGit2Sharp.Tests
 {
@@ -174,7 +173,7 @@ public void CleanFilterWritesOutputToObjectTree()
         }
 
         [Fact]
-        public void CanHandleMultipleSmudgesConcurrently()
+        public async Task CanHandleMultipleSmudgesConcurrently()
         {
             const string decodedInput = "This is a substitution cipher";
             const string encodedInput = "Guvf vf n fhofgvghgvba pvcure";
@@ -193,20 +192,18 @@ public void CanHandleMultipleSmudgesConcurrently()
 
                 for (int i = 0; i < count; i++)
                 {
-                    tasks[i] = Task.Factory.StartNew(() =>
+                    tasks[i] = Task.Run(() =>
                     {
                         string repoPath = InitNewRepository();
                         return CheckoutFileForSmudge(repoPath, branchName, encodedInput);
                     });
                 }
 
-                Task.WaitAll(tasks);
+                var files = await Task.WhenAll(tasks);
 
-                foreach(var task in tasks)
+                foreach (var file in files)
                 {
-                    FileInfo expectedFile = task.Result;
-
-                    string readAllText = File.ReadAllText(expectedFile.FullName);
+                    string readAllText = File.ReadAllText(file.FullName);
                     Assert.Equal(decodedInput, readAllText);
                 }
             }
@@ -399,7 +396,7 @@ private FileInfo CheckoutFileForSmudge(string repoPath, string branchName, strin
             return expectedPath;
         }
 
-        private static FileInfo CommitFileOnBranch(Repository repo, string branchName, String content)
+        private static FileInfo CommitFileOnBranch(Repository repo, string branchName, string content)
         {
             var branch = repo.CreateBranch(branchName);
             Commands.Checkout(repo, branch.FriendlyName);

LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks Condition="'$(TargetFrameworks)'==''">net472;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks Condition="'$(TargetFrameworks)'==''">net472;net6.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,12 +11,12 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="GitHubActionsTestLogger" Version="2.0.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
-    <PackageReference Include="Moq" Version="4.18.4" />
-    <PackageReference Include="xunit" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.console" Version="2.4.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageReference Include="GitHubActionsTestLogger" Version="2.3.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+    <PackageReference Include="Moq" Version="4.20.70" />
+    <PackageReference Include="xunit" Version="2.7.0" />
+    <PackageReference Include="xunit.runner.console" Version="2.7.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.5.7" />
     <PackageReference Include="xunit.skippablefact" Version="1.4.13" />
   </ItemGroup>