setup: set env $GIT_WORK_TREE when work tree is set, like $GIT_DIR

diff --git a/object.h b/object.h
index 8020ace566c9c826a907490ac57c4d5aa425c2ae..5e8d8ee5485a5825c4dc0a0bba1911061723e161 100644 (file)
--- a/object.h
+++ b/object.h
@@ -81,6 +81,8 @@ struct object *lookup_object(const unsigned char *sha1);
 
 extern void *create_object(const unsigned char *sha1, void *obj);
 
+void *object_as_type(struct object *obj, enum object_type type, int quiet);
+
 /*
  * Returns the object, having parsed it to find out what it is.
  *