append_matching_ref(): rewrite to take an object_id argument

diff --git a/blob.c b/blob.c
index 5720a38ca270b48f2dde81472cee3642f72d89f6..1fcb8e44b00f3b9eedbe92da8abe47c2bebca7c7 100644 (file)
--- a/blob.c
+++ b/blob.c
@@ -8,14 +8,7 @@ struct blob *lookup_blob(const unsigned char *sha1)
        struct object *obj = lookup_object(sha1);
        if (!obj)
                return create_object(sha1, alloc_blob_node());
-       if (!obj->type)
-               obj->type = OBJ_BLOB;
-       if (obj->type != OBJ_BLOB) {
-               error("Object %s is a %s, not a blob",
-                     sha1_to_hex(sha1), typename(obj->type));
-               return NULL;
-       }
-       return (struct blob *) obj;
+       return object_as_type(obj, OBJ_BLOB, 0);
 }
 
 int parse_blob_buffer(struct blob *item, void *buffer, unsigned long size)