Closed
Description
Application Name: LibGit2Sharp (https://github.com/libgit2/libgit2sharp)
OS: Windows 10 RS5
CPU: X64
.NET Build Number: 6.0.100-preview.4.21206.10
Affected Application: git-istage global tool app (GlobalToolsNETCore21Part01)
https://github.com/terrajobst/git-istage
Verify Scenarios:
1). Windows 10 RS5 X64 + .NET Core SDK build 6.0.100-preview.4.21206.1 - main branch: Fail
2). Windows 10 RS5 X64 + .NET Core SDK build 6.0.100-preview.3.21202.5 - Preview 3 branch: Pass
3). Windows 10 RS5 X64 + .NET Core SDK build 5.0.104 : Pass
DevDiv bug: https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1307298
Repro steps to run
- Create a .net core console app
- Add
<PackageReference Include="LibGit2Sharp" Version="0.26.2" /> - In Program.cs
var _repository = new Repository(@".git folder path in the project");
var tipTree = _repository.Head.Tip?.Tree;
var comp = _repository.Diff.Compare<TreeChanges>(tipTree, DiffTargets.Index); //exception here
Console.WriteLine(comp.Count); //changes count
Expected Result:
Should return the number of staged changes
Actual Result:
Unhandled exception. System.NullReferenceException: Object reference not set to an instance of an object.
at System.Object.GetType()
at LibGit2Sharp.Core.NativeMethods.git_diff_find_similar(git_diff* diff, GitDiffFindOptions options)
at LibGit2Sharp.Core.Proxy.git_diff_find_similar(DiffHandle diff, GitDiffFindOptions options)
at LibGit2Sharp.Diff.DetectRenames(DiffHandle diffList, CompareOptions compareOptions)
at LibGit2Sharp.Diff.BuildDiffList(ObjectId oldTreeId, ObjectId newTreeId, TreeComparisonHandleRetriever comparisonHandleRetriever, DiffModifiers diffOptions, IEnumerable`1 paths, ExplicitPathsOptions explicitPathsOptions, CompareOptions compareOptions)
at LibGit2Sharp.Diff.Compare[T](Tree oldTree, DiffTargets diffTargets, IEnumerable`1 paths, ExplicitPathsOptions explicitPathsOptions, CompareOptions compareOptions)
at LibGit2Sharp.Diff.Compare[T](Tree oldTree, DiffTargets diffTargets)
at ConsoleApp1.Program.Main(String[] args) in C:\Users\v-altunc\source\repos\ConsoleApp12\ConsoleApp1\Program.cs:line 14
@dotnet-actwx-bot @dotnet/compat
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