Check that repository isn't a shallow clone and show an error if it is

Author: kimsey0

src/GitVersion.Core/Core/GitPreparer.cs

@@ -183,6 +183,11 @@ private void NormalizeGitDirectory(bool noFetch, string? currentBranchName, bool
 
         EnsureHeadIsAttachedToBranch(currentBranchName, authentication);
         EnsureRepositoryHeadDuringNormalisation(nameof(EnsureHeadIsAttachedToBranch), expectedSha);
+
+        if (this.repository.IsShallow)
+        {
+            throw new WarningException("Repository is a shallow clone. Git repositories must be contain the full history.");
+        }
     }
 
     private void EnsureRepositoryHeadDuringNormalisation(string occasion, string? expectedSha)

src/GitVersion.Core/Git/IGitRepository.cs

@@ -5,6 +5,7 @@ public interface IGitRepository : IDisposable
     string Path { get; }
     string WorkingDirectory { get; }
     bool IsHeadDetached { get; }
+    bool IsShallow { get; }
     IBranch Head { get; }
     ITagCollection Tags { get; }
     IReferenceCollection Refs { get; }

src/GitVersion.Core/PublicAPI.Unshipped.txt

@@ -335,6 +335,7 @@ GitVersion.IGitRepository.FindMergeBase(GitVersion.ICommit! commit, GitVersion.I
 GitVersion.IGitRepository.GetNumberOfUncommittedChanges() -> int
 GitVersion.IGitRepository.Head.get -> GitVersion.IBranch!
 GitVersion.IGitRepository.IsHeadDetached.get -> bool
+GitVersion.IGitRepository.IsShallow.get -> bool
 GitVersion.IGitRepository.Path.get -> string!
 GitVersion.IGitRepository.Refs.get -> GitVersion.IReferenceCollection!
 GitVersion.IGitRepository.Remotes.get -> GitVersion.IRemoteCollection!

src/GitVersion.LibGit2Sharp/Git/GitRepository.cs

@@ -20,6 +20,7 @@ private IRepository RepositoryInstance
     public string Path => RepositoryInstance.Info.Path;
     public string WorkingDirectory => RepositoryInstance.Info.WorkingDirectory;
     public bool IsHeadDetached => RepositoryInstance.Info.IsHeadDetached;
+    public bool IsShallow => RepositoryInstance.Info.IsShallow;
     public IBranch Head => new Branch(RepositoryInstance.Head);
     public ITagCollection Tags => new TagCollection(RepositoryInstance.Tags);
     public IReferenceCollection Refs => new ReferenceCollection(RepositoryInstance.Refs);