git_blob_create_frombuffer.patch

diff --git a/LibGit2Sharp.Tests/ObjectDatabaseFixture.cs b/LibGit2Sharp.Tests/ObjectDatabaseFixture.cs
index 5102f61..612568a 100644
--- a/LibGit2Sharp.Tests/ObjectDatabaseFixture.cs
+++ b/LibGit2Sharp.Tests/ObjectDatabaseFixture.cs
@@ -2,6 +2,7 @@
 using LibGit2Sharp.Tests.TestHelpers;
 using Xunit;
 using Xunit.Extensions;
+using System.Linq;
 
 namespace LibGit2Sharp.Tests
 {
@@ -46,6 +47,27 @@ public void CanCreateABlobFromAFileInTheWorkingDirectory()
             }
         }
 
+        [Fact]
+        public void CanCreateABlobFromAByteArray()
+        {
+            TemporaryCloneOfTestRepo scd = BuildTemporaryCloneOfTestRepo(StandardTestRepoWorkingDirPath);
+
+            using (var repo = new Repository(scd.DirectoryPath))
+            {
+                byte[] content = new byte[] {65, 66, 67, 68};
+                Blob blob = repo.ObjectDatabase.CreateBlob(content, 3);
+                Assert.Equal(3, blob.Size);
+
+                Assert.NotNull(blob);
+                Assert.Equal("48b83b862ebc57bd3f7c34ed47262f4b402935af", blob.Sha);
+
+                /*  check to make sure it is indeed stored in the repository. */
+                var fetchedBlob = repo.Lookup<Blob>(blob.Id);
+                Assert.Equal(content.Take(3), fetchedBlob.Content);
+                Assert.Equal(blob, fetchedBlob);
+            }
+        }
+
         [Theory]
         [InlineData("README")]
         [InlineData("README AS WELL")]
diff --git a/LibGit2Sharp/Core/NativeMethods.cs b/LibGit2Sharp/Core/NativeMethods.cs
index 864b07d..1266958 100644
--- a/LibGit2Sharp/Core/NativeMethods.cs
+++ b/LibGit2Sharp/Core/NativeMethods.cs
@@ -71,6 +71,14 @@ public static bool RepositoryStateChecker(RepositorySafeHandle repositoryPtr, Fu
             RepositorySafeHandle repo,
             [MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(FilePathMarshaler))] FilePath path);
 
+
+        [DllImport(libgit2)]
+        public static extern int git_blob_create_frombuffer(
+            ref GitOid oid,
+            RepositorySafeHandle repo,
+            byte[] buffer,
+            int len);
+
         [DllImport(libgit2)]
         public static extern IntPtr git_blob_rawcontent(GitObjectSafeHandle blob);
 
diff --git a/LibGit2Sharp/ObjectDatabase.cs b/LibGit2Sharp/ObjectDatabase.cs
index dfaf565..882097e 100644
--- a/LibGit2Sharp/ObjectDatabase.cs
+++ b/LibGit2Sharp/ObjectDatabase.cs
@@ -53,6 +53,22 @@ public Blob CreateBlob(string path)
         }
 
         /// <summary>
+        ///  Inserts a <see cref="Blob"/> into the object database, created from the first <paramref name="length"/> bytes of <paramref name="buffer"/>.
+        /// </summary>
+        /// <param name="buffer">The <see cref="byte"/> array containing the data to insert.</param>
+        /// <param name="length">The number of bytes from <paramref name="buffer"/> to insert.</param>
+        /// <returns>The created <see cref="Blob"/>.</returns>
+        public Blob CreateBlob(byte[] buffer, int length)
+        {
+            Ensure.ArgumentNotNull(buffer, "buffer");
+            Ensure.ArgumentConformsTo(length, i => i >= 0 && i <= buffer.Length, "length");
+
+            var oid = new GitOid();
+            Ensure.Success(NativeMethods.git_blob_create_frombuffer(ref oid, repo.Handle, buffer, length));
+            return repo.Lookup<Blob>(new ObjectId(oid));
+        }
+
+        /// <summary>
         ///   Inserts a <see cref = "Tree"/> into the object database, created from a <see cref = "TreeDefinition"/>.
         /// </summary>
         /// <param name = "treeDefinition">The <see cref = "TreeDefinition"/>.</param>