Clone performance slightly improved

GitTfs/Core/GitObject.cs

@@ -2,8 +2,8 @@ namespace Sep.Git.Tfs.Core
 {
     public class GitObject
     {
-        public string Mode { get; set; }
-        public string ObjectType { get; set; }
+        public LibGit2Sharp.Mode Mode { get; set; }
+        public LibGit2Sharp.TreeEntryTargetType ObjectType { get; set; }
         public string Sha { get; set; }
         public string Commit { get; set; }
         public string Path { get; set; }

GitTfs/Core/GitRepository.cs

@@ -405,9 +405,9 @@ namespace Sep.Git.Tfs.Core
                     var path = item.Path.Replace('\\', '/');
                     entries[path] = new GitObject
                     {
-                        Mode = item.Mode.ToModeString(),
+                        Mode = item.Mode,
                         Sha = item.Target.Sha,
-                        ObjectType = item.TargetType.ToString().ToLower(),
+                        ObjectType = item.TargetType,
                         Path = path,
                         Commit = commit
                     };

GitTfs/Core/TfsChangeset.cs

@@ -213,10 +213,9 @@ namespace Sep.Git.Tfs.Core
         private string GetMode(IChange change, IDictionary<string, GitObject> initialTree, string pathInGitRepo)
         {
             if (initialTree.ContainsKey(pathInGitRepo) &&
-                !String.IsNullOrEmpty(initialTree[pathInGitRepo].Mode) &&
                 !change.ChangeType.IncludesOneOf(TfsChangeType.Add))
             {
-                return initialTree[pathInGitRepo].Mode;
+                return initialTree[pathInGitRepo].Mode.ToModeString();
             }
             return Mode.NewFile;
         }