Added libgit2 features to Repository.Version

Introduced NativeMethods.Capabilities .

Added CanCreateValidVersionString() test .

Displaced NativeMethods CompiledFeatures to Proxy

Remove irrelevant region on Proxy

Make Proxy.get_compiled_features match get_libgit2_features .

Add mising [Flags] tag on GitBuiltInFeatures .

Remote trailling whitespace in Proxy

Resolves #676

Author: someoneigna

LibGit2Sharp.Tests/RepositoryFixture.cs

@@ -85,6 +85,14 @@ public void CanCreateStandardRepo()
             }
         }
 
+        [Fact]
+        public void CanRetrieveValidVersionString()
+        {
+            string versionInfo = Repository.Version;
+
+            Assert.NotNull(versionInfo);
+        }
+
         [Fact]
         public void CanCreateStandardRepoAndSpecifyAFolderWhichWillContainTheNewlyCreatedGitDirectory()
         {

LibGit2Sharp/Core/GitBuiltInFeatures.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace LibGit2Sharp.Core
+{
+    /// <summary>
+    /// Flags to indentify libgit compiled features.
+    /// </summary>
+    [Flags]
+    internal enum GitBuiltInFeatures
+    {
+        Threads = (1 << 0),
+        Https = (1 << 1),
+        Ssh = (1 << 2),
+    }
+}

LibGit2Sharp/Core/NativeMethods.cs

@@ -486,6 +486,9 @@ internal static extern int git_diff_find_similar(
         [DllImport(libgit2)]
         internal static extern IntPtr git_diff_get_delta(DiffSafeHandle diff, UIntPtr idx);
 
+        [DllImport(libgit2)]
+        internal static extern int git_libgit2_features();
+
         [DllImport(libgit2)]
         internal static extern int git_graph_ahead_behind(out UIntPtr ahead, out UIntPtr behind, RepositorySafeHandle repo, ref GitOid one, ref GitOid two);
 

LibGit2Sharp/Core/Proxy.cs

@@ -2721,6 +2721,24 @@ public static ObjectId git_treebuilder_write(RepositorySafeHandle repo, TreeBuil
 
         #endregion
 
+        #region git_libgit2_
+
+        /// <summary>
+        /// Returns the features with which libgit2 was compiled.
+        /// </summary>
+        public static string git_libgit2_features()
+        {
+            GitBuiltInFeatures features;
+
+            int flags = NativeMethods.git_libgit2_features();
+
+            features = (GitBuiltInFeatures)Enum.ToObject(typeof(GitBuiltInFeatures), flags);
+
+            return features.ToString();
+        }
+
+        #endregion
+
         private static ICollection<TResult> git_foreach<T, TResult>(
             Func<T, TResult> resultSelector,
             Func<Func<T, IntPtr, int>, int> iterator,

LibGit2Sharp/LibGit2Sharp.csproj

@@ -78,6 +78,7 @@
     <Compile Include="CommitSortStrategies.cs" />
     <Compile Include="CompareOptions.cs" />
     <Compile Include="ContentChangeStats.cs" />
+    <Compile Include="Core\GitBuiltInFeatures.cs" />
     <Compile Include="Core\GitCredentialType.cs" />
     <Compile Include="Core\Handles\PatchSafeHandle.cs" />
     <Compile Include="Core\IntPtrExtensions.cs" />

LibGit2Sharp/Repository.cs

@@ -1011,7 +1011,7 @@ internal T RegisterForCleanup<T>(T disposable) where T : IDisposable
         /// Gets the current LibGit2Sharp version.
         /// <para>
         ///   The format of the version number is as follows:
-        ///   <para>Major.Minor.Patch-LibGit2Sharp_abbrev_hash-libgit2_abbrev_hash (x86|amd64)</para>
+        ///   <para>Major.Minor.Patch-LibGit2Sharp_abbrev_hash-libgit2_abbrev_hash (x86|amd64 - capabilities)</para>
         /// </para>
         /// </summary>
         public static string Version
@@ -1030,11 +1030,12 @@ private static string RetrieveVersion()
 
             return string.Format(
                 CultureInfo.InvariantCulture,
-                "{0}-{1}-{2} ({3})",
+                "{0}-{1}-{2} ({3} - {4})",
                 version.ToString(3),
                 libgit2sharpHash.Substring(0, 7),
                 libgit2Hash.Substring(0, 7),
-                NativeMethods.ProcessorArchitecture
+                NativeMethods.ProcessorArchitecture,
+                Proxy.git_libgit2_features()
                 );
         }