GitSharp.Core.ObjectWriter.WriteCommit C# (CSharp) Method

        public ObjectId WriteCommit(Commit c)
        {
            Encoding encoding = c.Encoding ?? Constants.CHARSET;
            var output = new MemoryStream();
            var s = new BinaryWriter(output, encoding);
            s.Write(HTree);
            s.Write(' ');
            c.TreeId.CopyTo(s);
            s.Write('\n');
            ObjectId[] parentIds = c.ParentIds;
            for (int i = 0; i < parentIds.Length; i++)
            {
                s.Write(HParent);
                s.Write(' ');
                parentIds[i].CopyTo(s);
                s.Write('\n');
            }
            s.Write(HAuthor);
            s.Write(' ');
            s.Write(c.Author.ToExternalString().ToCharArray());
            s.Write('\n');
            s.Write(HCommitter);
            s.Write(' ');
            s.Write(c.Committer.ToExternalString().ToCharArray());
            s.Write('\n');

            if (encoding != Constants.CHARSET)
            {
                s.Write(HEncoding);
                s.Write(' ');
                s.Write(Constants.encodeASCII(encoding.HeaderName.ToUpperInvariant()));
                s.Write('\n');
            }

            s.Write('\n');
            s.Write(c.Message.ToCharArray());

            return WriteCommit(output.ToArray());
        }

 private ObjectId Commit(ObjectWriter ow, DirCache treeB, ObjectId[] parentIds)
 {
     var c = new Commit(db) { TreeId = treeB.writeTree(ow), Author = new PersonIdent("A U Thor", "a.u.thor", 1L, 0) };
     c.Committer = c.Author;
     c.ParentIds = parentIds;
     c.Message = "Tree " + c.TreeId.Name;
     return ow.WriteCommit(c);
 }