Replace Process.Start with libgit2sharp

GitTfs/Core/GitRepository.cs

@@ -37,6 +37,11 @@ public GitRepository(TextWriter stdout, string gitDir, IContainer container, Glo
                 _repository.Dispose();
         }
 
+        public void UpdateRef(string gitRefName, string shaCommit, string message = null)
+        {
+            _repository.Refs.Add(gitRefName, shaCommit, allowOverwrite: true, logMessage: message);
+        }
+
         public string GitDir { get; set; }
         public string WorkingCopyPath { get; set; }
         public string WorkingCopySubdir { get; set; }
@@ -58,7 +63,8 @@ private void SetUpPaths(ProcessStartInfo gitCommand)
 
         public string GetConfig(string key)
         {
-            return _repository.Config.Get<string>(key, null);
+            var entry = _repository.Config.Get<string>(key);
+            return entry == null ? null : entry.Value;
         }
 
         public IEnumerable<IGitTfsRemote> ReadAllTfsRemotes()
@@ -438,7 +444,7 @@ public bool CreateBranch(string gitBranchName, string target)
             Reference reference;
             try
             {
-                reference = _repository.Refs.Create(gitBranchName, target);
+                reference = _repository.Refs.Add(gitBranchName, target);
             }
             catch (Exception)
             {

GitTfs/Core/GitTfsRemote.cs

@@ -229,7 +229,7 @@ public void Apply(ITfsChangeset changeset, string destinationRef)
         {
             var log = Apply(MaxCommitHash, changeset);
             var commit = Commit(log);
-            Repository.CommandNoisy("update-ref", destinationRef, commit);
+            Repository.UpdateRef(destinationRef, commit);
         }
 
         public void QuickFetch()
@@ -270,9 +270,9 @@ public void UpdateRef(string commitHash, long changesetId)
         {
             MaxCommitHash = commitHash;
             MaxChangesetId = changesetId;
-            Repository.CommandNoisy("update-ref", "-m", "C" + MaxChangesetId, RemoteRef, MaxCommitHash);
+            Repository.UpdateRef(RemoteRef, MaxCommitHash, "C" + MaxChangesetId);
             if (Autotag)
-                Repository.CommandNoisy("update-ref", TagPrefix + "C" + MaxChangesetId, MaxCommitHash);
+                Repository.UpdateRef(TagPrefix + "C" + MaxChangesetId, MaxCommitHash);
             LogCurrentMapping();
         }
 

GitTfs/Core/IGitRepository.cs

@@ -17,6 +17,7 @@ public interface IGitRepository : IGitHelpers
         void DeleteTfsRemote(IGitTfsRemote remoteId);
         bool HasRemote(string remoteId);
         bool HasRef(string gitRef);
+        void UpdateRef(string gitRefName, string commitSha, string message = null);
         void MoveTfsRefForwardIfNeeded(IGitTfsRemote remote);
         IEnumerable<TfsChangesetInfo> GetLastParentTfsCommits(string head);
         IEnumerable<TfsChangesetInfo> GetLastParentTfsCommits(string head, bool includeStubRemotes);

GitTfsTest/Core/RemoteConfigConverterTests.cs

@@ -83,7 +83,7 @@ private IEnumerable<RemoteInfo> Load(params ConfigurationEntry<string>[] configs
             [Fact]
             public void NoConfig()
             {
-                var remotes = _loader.Load(Enumerable.Empty<ConfigurationEntry>());
+                var remotes = _loader.Load(Enumerable.Empty<ConfigurationEntry<string>>());
                 Assert.Empty(remotes);
             }