From fca3a4753b1e044d8ada82d54e9e8245842613d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=2E=20David=20Ib=C3=A1=C3=B1ez?= <jdavid@itaapy.com>
Date: Wed, 6 Apr 2011 13:03:38 +0200
Subject: [PATCH] Fix Tree_contains, forward Python errors

---
 pygit2.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pygit2.c b/pygit2.c
index 6144d02..00fdd02 100644
--- a/pygit2.c
+++ b/pygit2.c
@@ -894,8 +894,12 @@ Tree_len(Tree *self) {
 static int
 Tree_contains(Tree *self, PyObject *py_name) {
     char *name;
+
     name = PyString_AsString(py_name);
-    return name && git_tree_entry_byname(self->tree, name) ? 1 : 0;
+    if (name == NULL)
+        return -1;
+
+    return git_tree_entry_byname(self->tree, name) ? 1 : 0;
 }
 
 static TreeEntry *