Support additional paths with temp clone

Author: dahlbyk

LibGit2Sharp.Tests/TestHelpers/BaseFixture.cs

@@ -74,9 +74,9 @@ protected TemporaryCloneOfTestRepo BuildTemporaryCloneOfTestRepo()
             return BuildTemporaryCloneOfTestRepo(BareTestRepoPath);
         }
 
-        protected TemporaryCloneOfTestRepo BuildTemporaryCloneOfTestRepo(string path)
+        protected TemporaryCloneOfTestRepo BuildTemporaryCloneOfTestRepo(string path, params string[] additionalPaths)
         {
-            return new TemporaryCloneOfTestRepo(this, path);
+            return new TemporaryCloneOfTestRepo(this, path, additionalPaths);
         }
 
         public void Register(string directoryPath)

LibGit2Sharp.Tests/TestHelpers/TemporaryCloneOfTestRepo.cs

@@ -4,14 +4,22 @@ namespace LibGit2Sharp.Tests.TestHelpers
 {
     public class TemporaryCloneOfTestRepo
     {
-        public TemporaryCloneOfTestRepo(IPostTestDirectoryRemover directoryRemover, string sourceDirectoryPath)
+        public TemporaryCloneOfTestRepo(IPostTestDirectoryRemover directoryRemover, string sourceDirectoryPath, params string[] additionalSourcePaths)
         {
             var scd = new SelfCleaningDirectory(directoryRemover);
             var source = new DirectoryInfo(sourceDirectoryPath);
 
             RepositoryPath = Path.Combine(scd.DirectoryPath, source.Name);
 
             DirectoryHelper.CopyFilesRecursively(source, new DirectoryInfo(RepositoryPath));
+
+            foreach (var additionalPath in additionalSourcePaths)
+            {
+                var additional = new DirectoryInfo(additionalPath);
+                var targetForAdditional = Path.Combine(scd.DirectoryPath, additional.Name);
+
+                DirectoryHelper.CopyFilesRecursively(additional, new DirectoryInfo(targetForAdditional));
+            }
         }
 
         public string RepositoryPath { get; private set; }