TreeEntry: move to use 'id' attribute for the object's id

Similar to the Object change, we should be using 'id' when referring to
the target's id.x

Author: carlosmn

src/tree.c

@@ -67,17 +67,26 @@ TreeEntry_name__get__(TreeEntry *self)
 }
 
 
-PyDoc_STRVAR(TreeEntry_oid__doc__, "Object id.");
+PyDoc_STRVAR(TreeEntry_id__doc__, "Object id.");
 
 PyObject *
-TreeEntry_oid__get__(TreeEntry *self)
+TreeEntry_id__get__(TreeEntry *self)
 {
     const git_oid *oid;
 
     oid = git_tree_entry_id(self->entry);
     return git_oid_to_python(oid);
 }
 
+PyDoc_STRVAR(TreeEntry_oid__doc__, "Object id.\n"
+    "This attribute is deprecated. Please use 'id'");
+
+PyObject *
+TreeEntry_oid__get__(TreeEntry *self)
+{
+    return TreeEntry_id__get__(self);
+}
+
 PyObject *
 TreeEntry_richcompare(PyObject *a, PyObject *b, int op)
 {
@@ -133,6 +142,7 @@ PyGetSetDef TreeEntry_getseters[] = {
     GETTER(TreeEntry, filemode),
     GETTER(TreeEntry, name),
     GETTER(TreeEntry, oid),
+    GETTER(TreeEntry, id),
     GETTER(TreeEntry, hex),
     {NULL}
 };

test/test_tree.py

@@ -77,7 +77,7 @@ def test_read_subtree(self):
         subtree_entry = tree['c']
         self.assertTreeEntryEqual(subtree_entry, SUBTREE_SHA, 'c', 0o0040000)
 
-        subtree = self.repo[subtree_entry.oid]
+        subtree = self.repo[subtree_entry.id]
         self.assertEqual(1, len(subtree))
         sha = '297efb891a47de80be0cfe9c639e4b8c9b450989'
         self.assertTreeEntryEqual(subtree[0], sha, 'd', 0o0100644)
@@ -100,8 +100,8 @@ def test_new_tree(self):
         self.assertEqual(x.filemode, 0o0100644)
         self.assertEqual(y.filemode, 0o0100755)
 
-        self.assertEqual(repo[x.oid].id, b0)
-        self.assertEqual(repo[y.oid].id, b1)
+        self.assertEqual(repo[x.id].id, b0)
+        self.assertEqual(repo[y.id].id, b1)
 
 
     def test_modify_tree(self):

test/test_treebuilder.py

@@ -68,7 +68,7 @@ def test_rebuild_treebuilder(self):
             name = entry.name
             self.assertTrue(bld.get(name) is None)
             bld.insert(name, entry.hex, entry.filemode)
-            self.assertEqual(bld.get(name).oid, entry.oid)
+            self.assertEqual(bld.get(name).id, entry.id)
         result = bld.write()
 
         self.assertEqual(len(bld), len(tree))