Create a record for tree entries

lib/geef.ex

@@ -7,6 +7,7 @@ defmodule Geef do
       alias Geef.Object
       alias Geef.Commit
       alias Geef.Tree
+      alias Geef.TreeEntry
       alias Geef.Blob
       alias Geef.Tag
     end

lib/geef/tree.ex

@@ -1,5 +1,8 @@
+defrecord Geef.TreeEntry, Record.extract(:geef_tree_entry, from: "src/geef_records.hrl")
+
 defmodule Geef.Tree do
   alias Geef.Object
+  alias Geef.TreeEntry
 
   def lookup(repo, id) do
     case :geef_tree.lookup(repo, id) do
@@ -11,7 +14,12 @@ defmodule Geef.Tree do
   end
 
   def get(tree = Object[type: :tree], path) do
-    :geef_tree.get(set_elem(tree, 0, :geef_object), path)
+    case :geef_tree.get(set_elem(tree, 0, :geef_object), path) do
+      {:ok, entry} ->
+        {:ok, TreeEntry.new entry}
+      error ->
+        error
+    end
   end
 
 end