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diff --git a/tag.c b/tag.c
index 2b25fc0e1dc53234e38e8ed8fdc1cb99fa4fd84a..b1ab75ff0164b0090f43ba55d2a70239ca2fdb7a 100644 (file)
--- a/tag.c
+++ b/tag.c
@@ -3,6 +3,13 @@
 
 const char *tag_type = "tag";
 
+struct object *deref_tag(struct object *o)
+{
+       while (o && o->type == tag_type)
+               o = parse_object(((struct tag *)o)->tagged->sha1);
+       return o;
+}
+
 struct tag *lookup_tag(const unsigned char *sha1)
 {
         struct object *obj = lookup_object(sha1);